Pubication related to the Equatorial Atmosphere Observatory and relating rsearch projects
Total: 423 papers (as of January 2024)
2023
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Marzuki, Ravidho Ramadhan, Helmi Yusnaini, Findy Renggono, Mutya Vonnisa, and Hiroyuki Hashiguchi,
Comparison of vertical profile of raindrop size distribution from micro rain radar with global precipitation measurement over Western Java Island,
Remote Sensing Applications Society and Environment, 29, 100885, doi:10.1016/j.rsase.2022.100885, 2023.
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K. Sato, Y. Tomikawa, M. Kohma, R. Yasui, D. Koshin, H. Okui, S. Watanabe, K. Miyazaki, M. Tsutsumi, D. Murphy, C. Meek, Y. Tian, M. Ern, G. Baumgarten, J.L. Chau, X. Chu, R. Collins, P.J. Espy, H. Hashiguchi, A.J. Kavanagh, R. Latteck, F.-J. Lubken, M. Milla, S. Nozawa, Y. Ogawa, K. Shiokawa, M.J. Alexander, T. Nakamura, and W.E. Ward,
Interhemispheric Coupling Study by Observations and Modelling (ICSOM): Concept, Campaigns, and Initial Results,
J. Geophys. Res.: Atmospheres, 128, e2022JD038249, doi:10.1029/2022JD038249, 2023.
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W.R. Szkolka, D.B. Baranowski, M.K. Flatau, Marzuki, T. Shimomai, and H. Hashiguchi,
Diurnal Cycle of Tropospheric Winds over West Sumatra and Its Variability Associated with Various Climate and Weather Modes,
Atmosphere, 14, 1521, doi:10.3390/atmos14101521, 2023.
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H. Luce, L. Kantha, and H. Hashiguchi,
Statistical assessment of a Doppler radar model of TKE dissipation rate for low Richardson numbers (weakly stratified or strongly sheared conditions),
Atmos. Meas. Tech., 16, 5091-5101, doi:10.5194/amt-16-5091-2023, 2023.
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C. Jiang, L. Wei, T. Yokoyama, R. Tian, T. Liu, and G. Yang,
Modeling of Multi-Ion Plasma Bubbles in the Equatorial Ionosphere,
J. Geophys. Res. Space Physics, 128, e2023JA031753, doi:10.1029/2023JA031753, 2023.
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C. Rino, T. Yokoyama, and C. Carrano,
A three-dimensional stochastic structure model derived from high-resolution isolated equatorial plasma bubble simulations,
Earth, Planets and Space, 75, 64, doi:10.1186/s40623-023-01823-6, 2023.
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W. Fu, T. Yokoyama, N. Ssessanga, G, Ma, and M. Yamamoto,
Nighttime Midlatitude E-F Coupling in Geomagnetic Conjugate Ionospheres: A Double Thin Shell Model and a Multi-Source Data Investigation,
J. Geophys. Res. Space Physics, 128, e2022JA031074, doi:10.1029/2022JA031074, 2023.
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A.O. Afolayan, J.S. Mandeep, M. Abdullah, N. S. A. Hamid, and T. Yokoyama,
Effect of the seed perturbation amplitude on the equatorial spread F initiation during solar minimum,
Adv. Space Res., 71, 255-267, doi:10.1016/j.asr.2022.09.035, 2023.
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T. Thanakulketsarat, P. Supnithi, L.M.M. Myint, K. Hozumi, and M. Nishioka,
Classification of the equatorial plasma bubbles using convolutional neural network and support vector machine techniques,
Earth Planets Space, 75, 161, doi:10.1186/s40623-023-01903-7, 2023.
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K. Seechai, L.M.M. Myint, K. Hozumi, M. Nishioka, S. Saito, M. Yamamoto, and P. Supnithi,
Simultaneous equatorial plasma bubble observation using amplitude scintillations from GNSS and LEO satellites in low-latitude region,
Earth Planets Space, 75, 127, doi:10.1186/s40623-023-01877-6, 2023.
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K. Hosokawa, S. Saito, H. Nakata, C.-H. Lin, J.-T. Lin, P. Supnithi, I. Tomizawa, J. Sakai, T. Takahashi, T. Tsugawa, M. Nishioka, and M. Ishii,
Monitoring of equatorial plasma bubbles using aeronautical navigation system: a feasibility study,
Earth Planets Space, 75, 152, doi:10.1186/s40623-023-01911-7, 2023.
2022
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Lestari, S., A. King, C. Vincent, A. Protat, D. Karoly, and S. Mori,
Variability of Jakarta rain-rate characteristics associated with the Madden-Julian oscillation and topography,
Mon. Wea. Rev., 150, 1953-1975, doi:10.1175/MWR-D-21-0112.1, 2022.
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Lestari, S., A. Protat, V. Louf, A. King, C. Vincent, and S. Mori,
Sub-daily rain rate properties in western Java analysed using C-band Doppler radar,
J. Appl. Meteor. Climat., 61, 1199-1219, doi:10.1175/JAMC-D-21-0041.1, 2022.
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Lestari, S., E. G. A. Sapan, R. Sulistyowati, H. A. Belgaman, F. Meliani, Winarno, R. I. Hapsari, I. F. Cahyaningtiyas, T. A. Pianto, H. I. Akbar, Nurdiansyah, E. Avianti, A. Eugenie, T. Grace, R. Amaliyah, M. Djoharin, S. Mori, and F. Syamsudin,
Characteristic of rain rate associated with floods during the 2021 rainy season around Jakarta and Bekasi River,
IOP Conf. Ser.: Earth Environ. Sci. 1109 012010, doi:10.1088/1755-1315/1109/1/012010, 2022.
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Konduru, R. T., J. Matsumoto, S. Yokoi, and S.Mori,
Climatological characteristics of nocturnal eastward-propagating diurnal precipitation peak over South India during summer monsoon: Role of monsoon low-level circulation and gravity waves,
Meteor. Appl., doi:10.1002/met.2106, 2022.
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Matsushima, R., K. Hosokawa, J. Sakai, Y. Otsuka, M. K. Ejiri, M. Nishioka and T. Tsugawa,
Propagation characteristics of sporadic E and medium-scale traveling ionospheric disturbances (MSTIDs): Statistics using HF Doppler and GPS-TEC data in Japan,
Earth Planets Space 74, 60, doi:10.1186/s40623-022-01616-3, 2022.
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Acharaporn Bumrungkit, Pornchai Supnithi, Susumu Saito, and Lin Min Min Myint,
A study of equatorial plasma bubble structure using VHF radar and GNSS scintillations over the low‐latitude regions,
GPS Solutions, 26:148, doi:10.1007/s10291-022-01321-4, 2022.
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Slamet Supriadi, Hasanuddin Zainal Abidin, Dudy Darmawan Wijaya, Prayitno Abadi, Susumu Saito and Dwiko Unggul Prabowo,
Construction of nominal ionospheric gradient using satellite pair based on GNSSCORS observation in Indonesia,
Earth Planets Space, 74:71, doi:10.1186/s40623-022-01633-2, 2022.
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Yokoyama, T., R. Takagi, and M. Yamamoto,
Solar and geomagnetic activity dependence of 150-km echoes observed by the Equatorial Atmosphere Radar in Indonesia,
Earth, Planets and Space, 74, 113, doi:10.1186/s40623-022-01675-6, 2022.
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G. Soares, Y. Yamazaki, A. Morschhauser, J. Matzka, K.J. Pinheiro, C. Stolle, P. Alken, A. Yoshikawa, K. Hozumi, A. Kulkarni, and P. Supnithi,
Using Principal Component Analysis of Satellite and Ground Magnetic Data to Model the Equatorial Electrojet and Derive Its Tidal Composition,
JGR. Space Physics, 127, e2022JA030691, doi:10.1029/2022JA030691, 2022.
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L.M.M. Myint, K. Hozumi, S. Saito, and P. Supnithi,
Analysis of Local Geomagnetic Index Under the Influence of Equatorial Electrojet (EEJ) at the Equatorial Phuket Station in Thailand,
Advances in Space Research, 70(5), 1429-1440, doi:10.1016/j.asr.2022.06.024, 2022.
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H. Jin, C. Yan, G. Yang, F. Huang, H. Xie, X. Zhao, W. Sun, Y. Li, K. Hozumi, and J. Jiao,
Interaction between Equatorial to Low-latitude Post-midnight F-region Irregularities and LSTIDs in China during Geomagnetic Disturbances based on Ground-based Instruments,
JGR. Space Physics, 127, e2022JA030286, doi:10.1029/2022JA030286, 2022.
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B.R. Kalita, P.K. Bhuyan, S.J. Nath, M. Choudhary, K. Wang, K. Hozumi, P. Supnithi, T. Komolmis, C.Y. Yatini, and M.L. Huy,
The investigation on daytime conjugate hemispheric asymmetry along 100°E longitude using observations and model simulations: New insights,
Advances in Space Research, 69(10), 3726-3740, doi:10.1016/j.asr.2022.02.058, 2022.
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T.T.H. Pham, C.A. Mazaudier, M.L. Huy, S. Saito, K. Hozumi, D.N. Thanh, and N.L. Thi,
Nighttime morphology of vertical plasma drifts over Vietnam during different seasons and phases of sunspot cycles,
Advances in Space Research, 70(2), 411-426, doi:10.1016/j.asr.2022.04.010, 2022.
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R. Ramadhan, H. Yusnaini, Marzuki, R. Muharsyah, W. Suryanto, S. Sholihun, M. Vonnisa, H. Harmadi, A.P. Ningsih, A. Battaglia, H. Hashiguchi, and A. Tokay,
Evaluation of GPM IMERG Performance Using Gauge Data over Indonesian Maritime Continent at Different Time Scales,
Remote Sens., 14, 1172, doi:10.3390/rs14051172, 2022.
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Mutya Vonnisa, T. Shimomai, H. Hashiguchi, and Marzuki,
Retrieval of Vertical Structure of Raindrop Size Distribution from Equatorial Atmosphere Radar and Boundary Layer Radar,
Emerging Science Journal, 6, doi:10.28991/ESJ-2022-06-03-02, 2022.
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R. Ramadhan, Marzuki, H. Yusnaini, R. Muharsyah, W. Suryanto, S. Sholihun, M. Vonnisa, A. Battaglia, and H. Hashiguchi,
Capability of GPM IMERG Products for Extreme Precipitation Analysis over the Indonesian Maritime Continent,
Remote Sens., 14, 412, doi:10.3390/rs14020412, 2022.
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Marzuki, Helmi Yusnaini, Ravidho Ramadhan, Fredolin Tangang, Abdul Azim Bin Amirudin, Hiroyuki Hashiguchi, Toyoshi Shimomai, and Mutya Vonnisa,
Characteristics of Precipitation Diurnal Cycle over a Mountainous Area of Sumatra Island including MJO and Seasonal Signatures Based on the 15-Year Optical Rain Gauge Data, WRF Model and IMERG,
Atmosphere, 13, 63, doi:10.3390/atmos13010063, 2022.
2021 (9 papers)
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S.A. Bello, N.S.A. Hamid, M. Abdullah, A. Yoshikawa, K. Hozumi, and T. Tsugawa,
Equatorial Electrojet and electron density over Southeast Asian Region during moderate solar activity condition,
Indian Journal of Radio and Space Physics, 50, 125-131, http://nopr.niscair.res.in/handle/123456789/58954, 2021.
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T. Tsugawa and K. Hozumi,
東南アジア域における電離圏観測: SEALION プロジェクトの現状と今後の展望,
情報通信研究機構研究報告, 67(1), 17-27, 2021.
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R. Dutta, S. Sridharan, S. Meenakshi, Sayantani Ojha, K. Hozumi, and C.Y. Yatini,
On the high percentage of occurrence of type-B 150-km echoes during the year 2019 and its relationship with mesospheric semi-diurnal tide and stratospheric ozone,
Advances in Space Research, doi:10.1016/j.asr.2021.08.031, 2021.
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K. K. Ajith, S. Tulasi Ram, GuoZhu Li, M. Yamamoto, K. Hozumi, C. Y. Yatini, and P. Supnithi,
On the solar activity dependence of midnight equatorial plasma bubbles during June solstice periods,
Earth Planet. Phys., 5(5), 378-386, doi:10.26464/epp2021039, 2021.
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P. Abadi, Y. Otsuka, HuiXin Liu, K. Hozumi, D. R. Martinigrum, P. Jamjareegulgarn, Le Truong Thanh, and R. Otadoy,
Roles of thermospheric neutral wind and equatorial electrojet in pre-reversal enhancement, deduced from observations in Southeast Asia,
Earth Planet. Phys., 5(5), 387-396, doi:10.26464/epp2021049, 2021.
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J. L. Currie, B. A. Carter, J. Retterer, T. Dao, R. Pradipta, R. Caton, K. Groves, Y. Otsuka, T. Yokoyama, K. Hozumi, T. Le Truong, and M. Terkildsen,
On the generation of an unseasonal EPB over South East Asia,
J. Geophys. Res., Space Physics, 126, e2020JA028724, doi:10.1029/2020JA028724, 2021.
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I. Sarudin, N. S. A Hamid, M. Abdullah, S. M Buhari, K. Shiokawa, Y. Otsuka, K. Hozumi, and P. Jamjareegulgarn,
Influence of Zonal Wind Velocity Variation on Equatorial Plasma Bubble Occurrences over Southeast Asia,
J. Geophys. Res., 126, e2020JA028994, doi:10.1029/2020JA028994, 2021.
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S. Meenakshi, S. Sridharan, J. Solomon Ivan, K. Hozumi, C. Y. Yatini, T. Yokoyama, and H. Hashiguchi,
Anomalous increase in the occurrence of post-midnight FAI radar echoes in September 2019 and
its relation with the austral sudden stratospheric warming,
J. Geophys. Res., 126, e2020JA028902, doi:10.1029/2020JA028902, 2021.
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M.A. Rahman, D.S. Nugroho, M.D. Yamanaka, M. Kawasaki, O. Kozan, M. Ohashi, H. Hashiguchi, and S. Mori,
Weather radar detection of planetary boundary layer and smoke layer top of peatland fire in Central Kalimantan, Indonesia,
Scientific Reports, 11, 367, doi:10.1038/s41598-020-79486-6, 2021.
2020 (9 papers)
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S. Tulasi Ram, K. K. Ajith, T. Yokoyama, M. Yamamoto, K. Hozumi, K. Shiokawa, Y. Otsuka, and G. Li,
Dilatory and downward development of 3-meter scale irregularities in the Funnel-like region of a rapidly rising equatorial plasma bubble,
Geophys. Res. Lett., 47, e2020GL087256, doi:10.1029/2020GL087256, 2020.
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K. K. Ajith, G. Li, S. T. Ram, M. Yamamoto, K. Hozumi, P. Abadi, and H. Xie,
On the seeding of periodic equatorial plasma bubbles by gravity waves associated with tropical cyclone: A case study,
J. Geophys. Res. Space Physics, 125, e2020JA028003, doi:10.1029/2020JA028003 , 2020.
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P. Thammavongsy, P. Supnithi, W. Phakphisut, K. Hozumi, and T. Tsugawa,
Spread-F prediction model for the equatorial Chumphon station, Thailand,
Advances in Space Research, 65(1), 152-162, doi:10.1016/j.asr.2019.09.040, 2020.
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I. Sarudin, N. S. A. Hamid, M. Abdullah, S. M. Buhari, K. Shiokawa, Y. Otsuka, and C. Y. Yatini,
Equatorial plasma bubble zonal drift velocity variations in response to season, local time, and solar activity across Southeast Asia,
J. Geophys. Res., 125, doi:10.1029/2019JA027521, 2020.
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P. Ghosh, Y. Otsuka, S. Mani, and H. Shinagawa,
Day-to-day variation of pre-reversal enhancement in the equatorial ionosphere based on GAIA model simulations,
Earth Planets Space 72, 93, doi:10.1186/s40623-020-01228-9, 2020.
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G. Li, B. Ning, Y. Otsuka, M. A. Abdu, P. Abadi, Z. Liu, L. Spogli, and W. Wan,
Challenges to Equatorial Plasma Bubble and Ionospheric Scintillation Short-Term Forecasting and Future Aspects in East and Southeast Asia,
Surv Geophys, doi:10.1007/s10712-020-09613-5, 2020.
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H. Luce and H. Hashiguchi,
On the estimation of vertical air velocity and detection of atmospheric turbulence from the ascent rate of balloon soundings,
Atmos. Meas. Tech., 13, 1989-1999, doi:10.5194/amt-13-1989-2020, 2020.
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Marzuki, D.K. Harysandi, R. Oktaviani, L. Meylani, M. Vonnisa, Harmadi, H. Hashiguchi, T. Shimomai, L. Luini, S. Nugroho, Muzirwan, and N.A.M. Aris,
International Telecommunication Union-Radiocommunication Sector P.837-6 and P.837-7 performance to estimate Indonesian rainfall,
TELKOMNIKA Telecommunication, Computing, Electronics and Control, 18, (5), 2292-2303, doi:10.12928/TELKOMNIKA.v18i5.14316, 2020.
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R. Ramadhan, Marzuki, M. Vonnisa, Harmadi, H. Hashiguchi, and T. Shimomai,
Diurnal Variation in the Vertical Profile of the Raindrop Size Distribution for Stratiform Rain as Inferred from Micro Rain Radar Observations in Sumatra,
Advances in Atmospheric Sciences, 37, 832-846, doi:10.1007/s00376-020-9176-9, 2020.
2019 (8 papers)
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A.C. Moral, K. Shiokawa, S. Suzuki, H. Liu, Y. Otsuka, and C. Y. Yatini,
Observations of low-latitude traveling ionospheric disturbances by a 630.0-nm airglow imager and the CHAMP satellite over Indonesia,
J. Geohphys. Res., 124, doi:10.1029/2018JA025634, 2019.
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N. A. M. Aris, H. Hashiguchi, and M. Yamamoto,
Development of Software-Defined Multichannel Receiver for EAR,
Radio Sci., 54, 671-679, doi:10.1029/2019RS006817, 2019.
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A. Adachi and H. Hashiguchi,
Application of Parametric Speakers to Radio Acoustic Sounding System,
Atmos. Meas. Tech., 12, 5699-5715, doi:10.5194/amt-12-5699-2019, 2019.
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M. Yamamoto, W.K. Hocking, S. Nozawa, J. Vierinen, H. Liu, and N. Nishitani,
Special issue "Recent Advances in MST and EISCAT/Ionospheric Studies - Special Issue of the Joint MST15 and EISCAT18 Meetings, May 2017",
Earth Planets Space, 71, doi:10.1186/s40623-019-1070-2, 2019.
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L.M. Joshi, L.-C. Tsai, S.-Y. Su, Y. Otsuka, T. Yokoyama, M. Yamamoto, S. Sarkhel, K. Hozumi, and C.-H. Lu,
Investigation of Spatiotemporal Morphology of Plasma Bubbles Based on EAR Observations,
Journal of Geophysical Research: Space Physics, 124, doi:10.1029/2019JA026839, 2019.
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P.-M. Wu, D. Ardiansyah, S. Mori, and K. Yoneyama,
The effect of an active phase of the Madden-Julian oscillation on surface winds over the western coast of Sumatra Island,
IOP Conf. Series: Earth Env. Sci., 303, 012009. doi:10.1088/1755-1315/303/1/012009, 2019.
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S. Yokoi, S. Mori, F. Syamsudin, U. Haryoko, and B. Geng,
Environmental conditions for nighttime offshore migration of precipitation area as revealed by in situ observation off Sumatra Island,
Mon. Wea. Rev., 147, 3391-3407. doi:10.1175/MWR-D-18-0412.1, 2019.
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Gang Chen, Yaxian Li, Shaodong Zhang, Baiqi Ning, Wanlin Gong, Akimasa Yoshikawa, Kornyanat Hozumi, Takuya Tsugawa, and Zhihua Wang,
Multi-Instrument Observations of the Atmosphericand Ionospheric Response to the 2013 SuddenStratospheric Warming Over Eastern Asia Region,
IEEE Transactions on Geoscience and Remote Sensing, doi:10.1109/TGRS.2019.2944677, 2019.
2018 (18 papers)
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Ina Juaeni, Hiraku Tabata, Noersomadi, Halimurrahman, Hiroyuki Hashiguchi, and Toshitaka Tsuda,
Retrieval of Temperature Profiles using Radio Acoustic Sounding System (RASS) with the Equatorial Atmosphere Radar (EAR) in West Sumatra, Indonesia,
Earth, Planets and Space, 70:22, doi:10.1186/s40623-018-0784-x, 2018.
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Marzuki, H. Hashiguchi, M. Vonnisa, and H. Abubakar,
Determination of Intraseasonal Variation of Precipitation Microphysics in the Southern Indian Ocean from Joss-Waldvogel Disdrometer Observation during CINDY Field Campaign,
Advances in Atmospheric Sciences, 35, 1415-1427, doi:10.1007/s00376-018-8026-5, 2018.
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S. Mori, J-I Hamada, M. Hattori, P.-M. Wu, M. Katsumata, N. Endo, K. Ichiyanagi, H. Hashiguchi, A.A. Arbain, R. Sulistyowati, S. Lestari, F. Syamsudin, T. Manik, and M.D. Yamanaka,
Meridional march of diurnal rainfall over Jakarta, Indonesia, observed with a C-band Doppler radar: An overview of the HARIMAU2010 campaign,
Progress in Earth and Planetary Science, 5, doi:10.1186/s40645-018-0202-9, 2018.
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Perwitasari, S., T. Nakamura, M. Kogure, Y. Tomikawa, M. K. Ejiri, and K. Shiokawa,
Comparison of gravity wave propagation direction observed by mesospheric airglow imaging at three different latitudes by using M-transform,
Ann. Geophys., 36, 1597-1605, doi:10.5194/angeo-36-1597-2018, 2018.
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Narayanan, V. L., K. Shiokawa, Y. Otsuka, and D. Neudegg,
On the role of thermospheric winds and sporadic E layers in the formation and evolution of Electrified Medium-Scale Traveling Ionospheric Disturbances (EMSTIDs) in geomagnetic conjugate regions,
J. Geophys. Res., 123, doi:10.0002/2018JA025261, 2018.
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Katsumata, M., S. Mori, Hamada J.-I., M. Hattori, F. Syamsudin, and M. D. Yamanaka,
Diurnal cycle over a coastal area of the maritime continent as derived by special networked soundings over Jakarta during HARIMAU2010,
Prog. Earth Planet. Sci., 5(64), 1-19, doi:10.1186/s40645-018-0216-3, 2018.
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Suzuki, K., K. Nakagawa, T. Kawano, S. Mori, M. Katsumata, F. Syamsudin, and K. Yoneyama,
Videosonde-observed graupel in different rain systems during Pre-YMC project,
SOLA, 14, 148-152, doi:10.2151/sola.2018-026, 2018.
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Wu, P.-M., S. Mori, and F. Syamsudin,
Land-sea surface air temperature contrast on the western coast of Sumatra Island during an active phase of the Madden-Julian Oscillation,
Prog. Earth Planet. Sci., 5(4), 1-10, doi:10.1186/s40645-017-0160-7, 2018.
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Yamanaka, M. D., S.-Y. Ogino, P.-M. Wu, Hamada J.-I., S. Mori, J. Matsumoto, and F. Syamsudin,
Maritime continent coastlines controlling Earth's climate,
Prog. Earth Planet. Sci., 5(21), 1-28, doi:10.1186/s40645-018-0174-9, 2018.
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Rino, C., T. Yokoyama, and C. Carrano,
Dynamic Spectral characteristics of high-resolution simulated equatorial plasma bubbles,
Prog. Earth Planet. Sci., 5, 83, doi:10.1186/s40645-018-0243-0, 2018.
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Rino, C., C. Carrano, K. Groves, and T. Yokoyama,
A configuration space model for intermediate-scale ionospheric structure,
Radio Sci., 53, 1472-1480, doi:10.1029/2018RS006678, 2018.
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Dutta, B., B. Kalita, P. Bhuyan, S. Sharma, R. Tiwari, K. Wang, K. Hozumi, T. Tsugawa, T. Yokoyama, M. Le Huy, and T. Pham,
Spatial features of L-band equinoctial scintillations from equator to low midlatitude at around 95 deg.E during 2015-2016,
J. Geophys. Res. Space Physics, 123, 7767-7788, doi:10.1029/2018JA025533, 2018.
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Carter, B. A., S. Tulasi Ram, E. Yizengaw, R. Pradipta, J. Retterer, R. Norman, J. Currie, K. Groves, R. Caton, M. Terkildsen, T. Yokoyama, and K. Zhang,
Unseasonal development of post-sunset F-region irregularities over Southeast Asia on 28 July 2014: 1. Forcing from above?,
Prog. Earth Planet. Sci., 5, 10, doi:10.1186/s40645-018-0164-y, 2018.
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Ajith, K. K., S. Tulasi Ram, B. A. Carter, M. Yamamoto, T. Yokoyama, S. Gurubaran, S. Sripathi, K. Hozumi, K. Groves, and R. G. Caton,
Unseasonal development of post-sunset F-region irregularities over Southeast Asia on 28 July 2014: 2. Forcing from below?,
Prog. Earth Planet. Sci., 5, 60, doi:10.1186/s40645-018-0218-1, 2018.
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Pavan Chaitanya, P., A. K. Patra, Y. Otsuka, T. Yokoyama, and M. Yamamoto,
On the solstice maxima and azimuth-dependent characteristics of the 150-km echoes observed using the Equatorial Atmosphere Radar,
J. Geophys. Res. Space Physics, 123, 6752-6759, doi:10.1029/2018JA025491, 2018.
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Shinagawa, H., H. Jin, Y. Miyoshi, H. Fujiwara, T. Yokoyama, and Y. Otsuka,
Daily and seasonal variations in the linear growth rate of the Rayleigh-Taylor instability in the ionosphere obtained with GAIA,
Prog. Earth Planet. Sci., 5, 16, doi:10.1186/s40645-018-0175-8, 2018.
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Astafyeva, E., I. Zakharenkova, K. Hozumi, P. Alken, P. Coisson, M. R. Hairston, and W. Coley,
Study of the Equatorial and Low-latitude Electrodynamic and Ionospheric Disturbances During the 22-23 June 2015 Geomagnetic Storm Using Ground-based and Space-borne Techniques,
J. Geophys. Res. Space Physics, 123, 2424-2440, doi:10.1002/2017JA024981, 2018.
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Li, Guozhu, Baiqi Ning, M.A. Abdu, Chi Wang, Yuichi Otsuka, Weixing Wan, Jiuhou Lei, Michi Nishioka, Takuya Tsugawa, Lianhuan Hu, Guotao Yang, and Chungxiao Yan,
Daytime F-region irregularity triggered by rocket induced ionospheric hole over low latitude,
Progress in Earth and Planetary Science, 5:11 doi:10.1186/s40645-018-0172-y, 2018
2017 (16 papers)
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Marzuki, M. Vonnisa, A. Rahayu, and H. Hashiguchi,
Cloud statistics over the Indonesian Maritime Continent during the first and second CPEA campaigns,
Atmospheric Research, 189, 99-110, 2017.
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Nakamura, Y., K. Shiokawa, Y. Otsuka, S.-I. Oyama, S. Nozawa. T. Komolmis, S. Komonjida, D. Neudegg, C. Yuile, J. Meriwether, H. Shinagawa, and H. Jin,
Measurement of thermospheric temperatures using OMTI Fabry-Perot interferometers with 70mm etalon,
Earth, Planets and Space, 69:57, doi:10.1186/s40623-017-0643-1, 2017.
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Dao, T., Y. Otsuka, K. Shiokawa, M. Nishioka, M. Yamamoto, S. M. Buhari, M. Abdullah, and A. Husin,
Coordinated observations of post-midnight irregularities and thermospheric neutral winds and temperatures at low latitudes,
J. Geophys. Res., 122, doi:10.0002/2017JA024048, 2017.
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Fukushima, D., K. Shiokawa, Y. Otsuka, M. Kubota, T. Yokoyama, M. Nishioka, S. Komonjinda, and C. Yatini,
Geomagnetically conjugate observations of ionospheric and thermospheric variations accompanied by a midnight brightness wave at low latitudes,
Earth Planets Space, 69:112, doi:10.1186/s40623-017-0698-z, 2017.
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Abadi, P., Y. Otsuka, K. Shiokawa, A. Husin, H. Liu, and S. Saito,
Equinoctial asymmetry in the zonal distribution of scintillation as observed by GPS receivers in Indonesia,
J. Geophys. Res., 122, doi:10.0002/2017JA024146, 2017.
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Jamjareegulgarn, P., P. Supnithi, K. Hozumi, and T. Tsugawa,
Study of ionospheric topside variations based on NeQuick topside formulation and comparisons with the IRI-2012 model at equatorial latitude station, Chumphon, Thailand,
Advances in Space Research, 60, 206-221, doi:10.1016/j.asr.2017.03.025, 2017.
-
Wichaipanich, N., K. Hozumi, P. Supnithi, and T. Tsugawa,
A comparison of neural network-based predictions of foF2 with the IRI-2012 model at conjugate points in Southeast Asia,
Advances in Space Research, 59, 2934-2950, doi:10.1016/j.asr.2017.03.023 , 2017.
-
Maruyama, T., G. Ma, T. Tsugawa, P. Supnithi, and T. Komolmis,
Ionospheric peak height at the magnetic equator: Comparison between ionosonde measurements and IRI,
Advances in Space Research, 60, 375-380, doi:10.1016/j.asr.2016.10.013, 2017.
-
Patra, A. K., P. Pavan Chaitanya, J.-P. St.-Maurice, Y. Otsuka, T. Yokoyama, and M. Yamamoto,
The solar flux dependence of ionospheric 150-km radar echoes and implications,
Geophys. Res. Lett., 44, 11,257-11,264, doi:10.1002/2017GL074678, 2017.
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Pavan Chaitanya, P., A. K. Patra, Y. Otsuka, T. Yokoyama, M. Yamamoto, R. A. Stoneback, and R. A. Heelis,
Daytime zonal drifts in the ionospheric 150 km and E regions estimated using EAR observations,
J. Geophys. Res. Space Physics, 122, 9045-9055, doi:10.1002/2017JA024589, 2017.
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Fukushima, D., K. Shiokawa, Y. Otsuka, M. Kubota, T. Yokoyama, M. Nishioka, S. Komonjinda, and C. Y. Yatini,
Geomagnetically conjugate observations of ionospheric and thermospheric variations accompanied by a midnight brightness wave at low latitudes,
Earth Planets Space, 69, 112, doi:10.1186/s40623-017-0698-z, 2017.
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Tulasi Ram, S., K. K. Ajith, T. Yokoyama, M. Yamamoto, and K. Niranjan,
Vertical rise velocity of equatorial plasma bubbles estimated from Equatorial Atmosphere Radar (EAR) observations and HIRB model simulations,
J. Geophys. Res. Space Physics, 122, 6584-6594, doi:10.1002/2017JA024260, 2017.
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Jiang, C., G. Yang, J. Liu, T. Yokoyama, T. Liu, T. Lan, C. Zhou, Y. Zhang, Z. Zhao, T. Komolmis, P. Supnithi, and C. Y. Yatini,
Equatorial and low-latitude ionospheric response to the 17-18 March 2015 great storm over South East Asia longitude sector,
J. Geophys. Res. Space Physics, 122, 5756-5767, doi:10.1002/2017JA024134, 2017.
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Jamjareegulgarn, P., P. Supnithi, K. Watthanasangmechai, T. Yokoyama, T. Tsugawa, and M. Ishii,
A new expression for computing the bottomside thickness parameter and comparisons with the NeQuick and IRI-2012 models during declining phase of solar cycle 23 at equatorial latitude station, Chumphon, Thailand,
Adv. Space Res., 60, 329-346, doi:10.1016/j.asr.2016.11.003, 2017.
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Chen, G., H. Jin, J. Yan, S. Zhang, G. Li,T. Yokoyama, G. Yang, C. Yan, C. Wu, J. Wang, D. Zhong, Y. Li, and Z. Wang,
Low-latitude daytime F-region irregularities observed in two geomagnetically quiet days by the Hainan coherent scatter phased array radar (HCOPAR),
J. Geophys. Res. Space Physics, 122, 2645-2654, doi:10.1002/2016JA023628, 2017.
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Buhari, S. M., M. Abdullah, T. Yokoyama, Y. Otsuka, M. Nishioka, A. Hasbi, S. A. Bahari, and T. Tsugawa,
Climatology of successive equatorial plasma bubbles observed by GPS ROTI over Malaysia,
J. Geophys. Res. Space Physics, 122, 2174-2184, doi:10.1002/2016JA023202, 2017.
2016 (12 papers)
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Belgaman, H. A., K. Ichiyanagi, M. Tanoue, R. Suwarman, K. Yoshimura, S. Mori, N. Kurita, M. D. Yamanaka and F. Syamsudin,
Intraseasonal variability of δ18O of precipitation over the Indonesian maritime continent related to the Madeen-Julian oscillation,
SOLA, 12, 192-197, doi:10.2151/sola.2016-039, 2016.
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Yamanaka, M. D.,
Physical climatology of Indonesian maritime continent: An outline to comprehend observational studies,
Atmos. Res., 178-179, 231-259, (Invited Review Section) doi:10.1016/j.atmosres.2016.03.017, 2016.
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Tsuda, T., M. Yamamoto, H. Hashiguchi, K. Shiokawa, Y. Ogawa, S. Nozawa, H. Miyaoka, and A. Yoshikawa,
A proposal on the study of solar-terrestrial coupling processes with atmospheric radars and ground-based observation network,
Radio Sci., doi:10.1002/2016RS006035, 51, 1587-1599, 2016.
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Yokoyama, T., and C. Stolle,
Low and midlatitude ionospheric plasma density irregularities and their effects on geomagnetic field,
Space Science Reviews, 1-25, doi:10.1007/s11214-016-0295-7, 2016.
-
Jiang, C., G. Yang, J. Liu, T. Yokoyama, T. Komolmis, H. Song, T. Lan, C. Zhou, Y. Zhang, Z. Zhao,
Ionosonde observations of daytime spread F at low latitudes,
J. Geophys. Res. Space Physics, doi:10.1002/2016JA023123, 2016.
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Kalita, B. R, R. Hazarika, G. Kakoti, P. K. Bhuyan, D. Chakrabarty, G. K. Seemala, K. Wang, S. Sharma, T. Yokoyama, P. Supnithi, T. Komolmis, C. Y. Yatini, M. L. Huy, and P. Roy,
Conjugate hemisphere ionospheric response to the St. Patrick’s Day storms of 2013 and 2015 in the 100E longitude sector,
J. Geophys. Res. Space Physics, 121, 11,364-11,390, 2016.
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Watthanasangmechai, K., M. Yamamoto, A. Saito, R. T. Tsunoda, T. Yokoyama, P. Supnithi, M. Ishii, and C. Y. Yatini,
Predawn plasma bubble clusters observed in Southeast Asia,
J. Geophys. Res. Space Physics, 121, 5868-5879, doi:10.1002/2015JA022069, 2016.
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Jiang, C., C. Deng, G. Yang, J. Liu, P. Zhu, T. Yokoyama, H. Song, T. Lan, C. Zhou, X. Wu, Y. Zhang, Z. Zhao, T. Komolmis, P. Supnithi, and C. Y. Yatini,
Latitudinal variation of the specific local time of post-midnight enhancement peaks in F layer electron density at low latitudes: A case study,
J. Geophys. Res. Space Physics, 121, 3476-3483, doi:10.1002/2015JA022319, 2016.
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Tulasi Ram, S., T. Yokoyama, Y. Otsuka, K. Shiokawa, S. Sripathi, B. Veenadhari, R. Heelis, K. K. Ajith, V. S. Gowtam, S. Gurubaran, P. Supnithi, and M. Le Huy,
Dusk side enhancement of equatorial zonal electric field response to convection electric fields during the intense geomagnetic storm of March 17, 2015,
J. Geophys. Res. Space Physics, 121, 538-548, doi:10.1002/2015JA021932, 2016.
-
Nishino M. N., K. Shiokawa, and Y. Otsuka,
The first long-term all-sky imager observation of lunar sodium tail,
Icarus, 280, 199-204, 2016.
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C. Jiang, C., G. Yang, C. Deng, C. Zhou, P. Zhu, T. Yokoyama, H. Song, T. Lan, B. Ni, Z. Zhao, and Y. Zhang,
Simultaneous observations of F2 layer stratification and spread F at post-midnight over a northern equatorial anomaly region,
J. Geophys. Res. Space Physics, 120, 10979-10991, doi:10.1002/2015JA021861, 2016.
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Dao, T., Y. Otsuka, K. Shiokawa,S. Tulasi Ram, and M. Yamamoto,
Altitude development of postmidnight F region field-aligned irregularities observed using Equatorial Atmosphere Radar in Indonesia,
Geophys. Res. Lett., 43, doi:10.1002/2015GL067432, 2016.
2015 (9 papers)
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T. Iyemori, K. Nakanishi, T. Aoyama, Y. Yokoyama, Y. Koyama, and H. Luhr,
Confirmation of existence of the small-scale field-aligned currents in middle and low latitudes and an estimate of time scale of their temporal variation,
Geophys. Res. Lett., doi:10.1002/2014GL062555, 2015.
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K. Shiokawa, Y. Otsuka, K. J. Lynn, P. Wilkinson and T. Tsugawa,
Airglow-imaging observation of plasma bubble disappearance at geomagnetically conjugate points,
Earth Planets Space, 67:43, doi:10.1186/s40623-015-0202-6, 2015.
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D. Fukushima, K. Shiokawa, Y. Otsuka, M. Nishioka, M. Kubota, T. Tsugawa, T. Nagatsuma, S. Komonjinda, and C. Y. Yatini,
Geomagnetically conjugate observation of plasma bubbles and thermospheric neutral winds at low latitudes,
J. Geophys. Res., 120, doi:10.1002/2014JA020398, 2015.
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K.K. Ajith, S. Tulasi Ram, M. Yamamoto, T. Yokoyama, V. Sai Gowtam, Y. Otsuka, T. Tsugawa, and K. Niranjan,
Explicit characteristics of evolutionary type plasma bubbles observed from Equatorial Atmosphere Radar during the low to moderate solar activity years 2010-2012,
J. Geophys. Res., 120, 1371-1382, doi:10.1002/2014JA020878, 2015.
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K. Watthanasangmechai, M. Yamamoto, A. Saito, T. Maruyama, T. Yokoyama, M. Nishioka, and M. Ishii,
Temporal change of EIA asymmetry revealed by a beacon receiver network in Southeast Asia,
Earth Planets Space, 67, 75, doi:10.1186/s40623-015-0252-9, 2015.
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S. Tulasi Ram, K. K. Ajith, M. Yamamoto, Y. Otsuka, T. Yokoyama, K. Niranjan, and S. Gurubaran,
Fresh and evolutionary-type field aligned irregularities generated near sunrise terminator due to overshielding electric fields,
J. Geophys. Res., 120, 5922-5030, doi:10.1002/2015JA021427, 2015.
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S. Tulasi Ram, T. Yokoyama, Y. Otsuka, K. Shiokawa, S. Sripathi, B. Veenadhari, R. Heelis, K. K. Ajith, V. S. Gowtam, S. Gurubaran, P. Supnithi and M. Le Huy,
Dusk side enhancement of equatorial zonal electric field response to convection electric fields during the St. Patrick's day storm on March 17, 2015,
J. Geohys. Res., 120, doi:10.1029/2015JA021932, 2015.
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Marzuki, H. Hashiguchi, T. Kozu, T. Shimomai, Y. Shibagaki, and Y. Takahashi,
Precipitation microstructure in different Madden-Julian Oscillation phases over Sumatra,
Atmospheric Research, 168, 121-138, 2015.
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T. Gan, M.K. Yamamoto, H. Hashiguchi, H. Okamoto, and M. Yamamoto,
Spectral parameters estimation in precipitation for 50-MHz band atmospheric radars,
Radio Sci., 50, 789-803, doi:10.1002/2014RS005643, 2015.
2014 (9 papers)
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Nakanishi, K., T. Iyemori, K. Taira and H. Luhr,
Global and frequent appearance of small spatial scale field aligned currents possibly driven by the lower atmospheric phenomena as observed by the CHAMP satellite in middle and low latitudes,
Earth Planets Space, 66, doi:10.1186/1880-5981-66-4, 2014.
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S.M. Buhari, M. Abdullah, A.M. Hasbi, Y. Otsuka, T. Yokoyama, M. Nishioka, and T. Tsugawa,
Continuous generation and two-dimensional structure of equatorial plasma bubbles observed by high-density GPS receivers in Southeast Asia,
J. Geophys. Res. Space Physics, 119, doi:10.1002/2014JA020433, 2014.
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A.K. Patra, P.P. Chaitanya, Y. Otsuka, T. Yokoyama, M. Yamamoto, R. A. Stoneback, and R. A. Heelis,
Vertical ExB drifts from radar and C/NOFS observations in the Indian and Indonesian sectors: Consistency of observations and model,
J. Geophys. Res. Space Physics, 119, 3777-3788, doi:10.1002/2013JA019732, 2014.
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M.K. Yamamoto, T. Fujita, Noor Hafizah Binti Abdul Aziz, T. Gan, H. Hashiguchi, T.-Y. Yu, and M. Yamamoto,
Development of a digital receiver for range imaging atmospheric radar,
J. Atmos. Solar-Terr. Phys., doi:10.1016/j.jastp.2013.08.023, 2014.
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Dhaka, S.K., V. Malik, Y. Shibagaki, H. Hashiguchi, S. Fukao, T. Shimomai, H.Y.Chun, and M. Takahashi,
Comparison of vertical wavelengths of gravity waves emitted by convection in UTLS at Koto Tabang (0.20S, 100.32E), and Gadanki (13.5N, 79.2E) using radars,
Indian Journal of Radio and Space Physics, 43, 24-40, 2014.
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S. Tulasi Ram, M. Yamamoto, R.T. Tsunoda, H.D. Chau, T.L. Hoang, B. Damtie, M. Wassaie, C. Y. Yatini, T. Manik, and T. Tsugawa,
Characteristics of large-scale wave structure observed from African and Southeast Asian longitudinal sectors,
J. Geophys. Res. Space Physics, 119, doi:10.1002/2013JA019712, 2014.
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K. Watthanasangmechai, M. Yamamoto, A. Saito, T. Tsugawa, T. Yokoyama, P. Supnithi, and C. Y. Yatini,
Latitudinal GRBR-TEC estimation in Southeast Asia region based on the two-station method,
Radio Sci., 49, doi:10.1002/2013RS005347, 2014.
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Smitha V. Thampi, Mala Bagiya, D. Chakrabarty, Y. B. Acharya and M. Yamamoto,
An ensemble average method to estimate absolute TEC using radio beacon based differential phase measurements: Applicability to regions of large latitudinal gradients in plasma density,
Radio Sci., 49, 1153-1161, doi:10.1002/2014RS005372, 2014.
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Tong Gan, M.K. Yamamoto, H. Hashiguchi, H. Okamoto, and M. Yamamoto,
Error estimation of spectral parameters for high-resolution wind and turbulence measurements by wind profiler radars,
Radio Sci., 49, 1214-1231, doi:10.1002/2013RS005369, 2014.
2013 (12 papers)
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大塚雄一, 水谷徳仁, 塩川和夫, Amit Patra, 横山竜宏, 山本衛,
赤道大気レーダーを用いた高度150km沿磁力線不規則構造のドリフト速度に関する研究,
南極資料, 57(3), 369-378, 2013.
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西岡未知, 丸山隆, 大塚雄一, 津川卓也, 石橋弘光, 塩川和夫, 石井守,
イオノゾンデおよびファブリ・ペロー干渉計によって観測された子午面熱圏風の比較,
南極資料, 57(3), 369-378, 2013.
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S. Suzuki, K. Shiokawa, Y. Otsuka, S. Kawamura, and Y. Murayama,
Evidence of gravity wave ducting in the mesopause region from airglow network observations,
Geophys. Res. Lett., 40, 601-605, doi:10.1029/2012GL054605, 2013.
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G. Li, B. Ning, M. A. Abdu, Y. Otsuka, T. Yokoyama, M. Yamamoto, and L. Liu,
Longitudinal characteristics of spread F backscatter plumes observed with the EAR and Sanya VHF radar in Southeast Asia,
J. Geophys. Res. Space Physics, 118, doi:10.1002/jgra.50581, 2013.
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R. Suwarman, K. Ichiyanagi, M. Tanoue, K. Yoshimura, S. Mori, M. D. Yamanaka, N. Kurita, and F. Syamsudin,
The variability of stable isotope and water origin of precipitation over maritime continent.
SOLA, 9, 72-75, doi:10.2151/sola.2013-017, 2013.
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P. Wu, A.A. Arbain, S. Mori, J.-I. Hamada, M. Hattori, F. Syamsudin, and M. D. Yamanaka,
The effects of an active phase of the Madden-Julian oscillation on the extreme precipitation event over western Java Island in January 2013,
SOLA, 9, 76-79, doi:10.2151/sola.2013-018, 2013.
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Marzuki, H. Hashiguchi, M.K. Yamamoto, S. Mori, and M.D. Yamanaka,
Regional Variability of Raindrop Size Distribution over Indonesia,
Annales Geophysicae, 31, 1941-1948, doi:10.5194/angeo-31-1941-2013, 2013.
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R. Bhatnagar, V. Panwar, Y. Shibagaki, H. Hashiguchi, S. Fukao, T. Kozu, M. Takahashi, and S.K. Dhaka,
Hourly radiosonde observation of humidity and temperature and high resolution vertical wind using the Equatorial Atmosphere Radar during convection over Koto Tabang, Indonesia in CPEA-II campaign,
Indian Journal of Radia and Space Physics, 42, 277-291, 2013.
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A. Goel, V. Panwar, H. Hashiguchi, and S.K. Dhaka,
Observed change in association of temperature with solar activity in upper troposphere and lower stratosphere after 1977,
Indian Journal of Radia and Space Physics, 42, 309-319, 2013.
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M. Pezzopane, E. Zuccheretti, P. Abadi, A. J. de Abreu, R. de Jesus, P. R. Fagundes, P. Supnithi, S. Rungraengwajiake, T. Nagatsuma, T. Tsugawa, M. A. Cabrera, and R. G. Ezquer,
Low-latitude equinoctial Spread-F occurrence at different longitude sectors under low solar activity,
Annales Geophysicae, 31, 153-162, doi:10.5194/angeo-31-153-2013, 2013.
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Marzuki, H. Hashiguchi, M. K. Yamamoto, M. Yamamoto.S. Mori, M.D. Yamanaka, R. E. Carbone, J. D. Tuttle,
Cloud episode propagation over the Indonesian Maritime Continent from 10 years of infrared brightness temperature observations,
Atmos. Res., 120-121, 268-286, doi:10.1016/j.atmosres.2012.09.004, 2013.
-
R.T. Tsunoda, S. V. Thampi, T. T. Nguyen, and M. Yamamoto,
On validating the relationship of ionogram signatures to large-scale wave structure,
J. Atmos. Solar-Terr. Phys., doi:10.1016/j.jastp.2012.11.003, 2013.
2012 (18 papers)
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Marzuki, Walter L. Randeu, T, Kozu, T. Shimomai, M. Schonhuber, and H. Hashiguchi,
Estimation of raindrop size distribution parameters by maximum likelihood and L-moment methods: Effect of discretization,
Atmos. Res., 112, 1-11, doi:10.1016/j.atmosres.2012.04.003, 2012.
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A.K. Patra, P.P. Chaitanya, N. Mizutani, Y. Otsuka, T. Yokoyama, and M. Yamamoto,
A comparative study of equatorial daytime vertical E x B drift in the Indian and Indonesian sectors based on 150 km echoes,
J. Geophys. Res., 117, A11312, doi:10.1029/2012JA018053, 2012.
-
Sudarsanam, Tulasi Ram, M. Yamamoto, B. Veenadhari and Sandeep Kumar,
Corotating Interaction Regions (CIRs) at sub-harmonic solar rotational periods and their impact on Ionosphere-Thermosphere system during the extreme low solar activity year, 2008,
Indian Journal of Radio and Space Physics, 2011-SP-IJRSP-001, 41, 294-305, 2012.
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S.V. Thampi, and M. Yamamoto,
Evolution of plasma bubbles over Vietnam region observed using the CERTO beacon on 1 board C/NOFS satellite,
Indian Journal of Radio and Space Physics, 2011-SP-IJRSP-004, 41, 233-239, 2012.
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J.-I. Hamada, S. Mori, H. Kubota, M. D. Yamanaka, U. Haryoko, S. Lestari, R. Sristoyowati and F. Syamsudin,
Interannual rainfall variability over northwestern Jawa and its relation to the Indian Ocean dipole and El Nino southern-oscillation events.
SOLA, 8, 69-72, 2012.
-
H. Kamimera, S. Mori, M. D. Yamanaka and F. Syamsudin,
Modulation of diurnal rainfall cycle by the Madden-Julian oscillation based on one-year continuous observation with a meteorological radar in west Sumatera.
SOLA, 8, 111-114, 2012.
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Y. Otsuka, K. Shiokawa, M. Nishioka, and Effendy,
VHF Radar Observations of Post-Midnight F-Region Field-Aligned Irregularities over Indonesia during Solar Minimum,
Indian Journal of Radio and Space Physics, 41, 199-207, 2012.
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Y. Otsuka, K. Shiokawa, and T. Ogawa,
Disappearance of equatorial plasma bubble after interaction with mid-latitude medium-scale traveling ionospheric disturbance,
Geophys. Res. Lett., 39, L14105, doi:10.1029/2012GL052286, 2012.
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M. Nishioka, Y. Otsuka, K. Shiokawa, T. Tsugawa, Effendy, P. Supnithi, T. Nagatsuma, and K.T. Murata,
On post-midnight field-aligned irregularities observed with a 30.8-MHz radar at a low latitude: Comparison with F-layer altitude near the geomagnetic equator,
J. Geophys. Res., 117, A8, A08337, doi:10.1029/2012JA017692, 2012.
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D. Fukushima, K. Shiokawa, Y. Otsuka, and T. Ogawa,
Observation of equatorial nighttime medium-scale traveling ionospheric disturbances in 630-nm airglow images over 7 years,
J. Geophys. Res., 117, A10324, doi:10.1029/2012JA017758, 2012.
-
Y. Otsuka,
Seasonal and Local Time Variations of E-Region Field-Aligned Irregularities Observed with 30.8-MHz Radar at Kototabang, Indonesia,
International Journal of Geophysics, 2012, 695793, doi:10.1155/2012/695793, 2012.
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T. Tsujii, T. Fujiwara, T. Kubota, C. Satirapod, P. Supnithi, T. Tsugawa, and H. Lee,
Measurement and simulation of equatorial ionospheric plasma bubbles to assess their impact on GNSS performance,
Journal of Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, 30, 2012.
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S. Tulasi Ram, N. Balan, B. Veenadhari, S. Gurubaran, S. Ravindran, T. Tsugawa, H. Liu, K. Niranjan, and T. Nagatsuma,
First observational evidence for opposite zonal electric fields in equatorial E and F region altitudes during a geomagnetic storm period,
J. Geophys. Res., 117, A09318, doi:10.1029/2012JA018045, 2012.
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M. Nishioka, Y. Otsuka, K. Shiokawa, T. Tsugawa, Effendy, P. Supnithi, T. Nagatsuma, and K.T. Murata,
On post-midnight field-aligned irregularities observed with a 30.8-MHz radar at a low latitude: Comparison with F-layer altitude near the geomagnetic equator,
J. Geophys. Res., 117, A08337, doi:10.1029/2012JA017692, 2012.
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H. Kubokawa, M. Fujiwara, T. Nasuno, M. Miura, M. K. Yamamoto, and M. Satoh,
Analysis of the tropical tropopause layer using the onhydrostatic ICosahedral Atmospheric Model (NICAM): 2. An experiment under the atmospheric conditions of December 2006-January 2007,
J. Geophys. Res., 117, D17114, doi:10.1029/2012JD017737, 2012.
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T. Mega, M.K. Yamamoto, M. Abo, Y. Shibata, H. Hashiguchi, N. Nishi, T. Shimomai, Y. Shibagaki, M. Yamamoto, M. D. Yamanaka, S. Fukao, and Timbul Manik,
First simultaneous measurement of vertical air velocity, particle fall velocity, and hydrometeor sphericity in stratiform precipitation: Results from 47-MHz wind profiling radar and 532-nm polarization lidar observations,
Radio Sci., 47, RS3002, doi:10.1029/2011RS004823, 2012.
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M. Kaur S.K. Dhaka, V. Malik, Savita M. Datta, K.L. Baluja, A. Jain, Y.S. Sharma, A.P. Singh, S. Malik, Y. Shibagaki, H. Hashiguchi, and T. Shimomai,
Characteristics of tropospheric gravity waves using the Equatorial Atmosphere Radar at Koto Tabang (0.20S, 100.32E), Indonesia during CPEA-2 campaign,
Atmospheric Research, 98, doi:10.1016/j.atmosres.2012.02.004, 2012.
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Sudarsanam, Tulasi Ram, M. Yamamoto, R. T. Tsunoda, and S. V. Thampi,
On the application of differential phase measurements to study the zonal large scale wave structure (LSWS) in the ionospheric electron content,
Radio Science, 47, RS2001, doi:10.1029/2011RS004870, 2012.
2011 (23 papers)
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M.S. Bagiya, K. N. Iyer, H. P. Joshi, S. V. Thampi, T. Tsugawa, S. Ravindran, R. Sridharan, and B. M. Pathan,
Low-latitude ionospheric-thermospheric response to storm time electrodynamical coupling between high and low latitudes,
J. Geophys. Res., 116, A01303, doi:10.1029/2010JA015845, 2011.
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P. Kenpankho, K. Watthanasangmechai, P. Supnithi, T. Tsugawa, and T. Maruyama,
Comparison of GPS TEC measurements with IRI TEC prediction at an equatorial latitude station, Chumphon, Thailand,
Earth, Planets, and Space, 63, 365-370, 2011.
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R.T. Tsunoda, M. Yamamoto, T. Tsugawa, T. L. Hoang, S. Tulasi Ram, S. V. Thampi, H. D. Chau, and T. Nagatsuma,
On seeding, large-scale wave structure, equatorial spread F, and scintillations over Vietnam,
Geophys. Res. Lett., 38, L20102, doi:10.1029/2011GL049173, 2011.
-
N.V. Rao, Y. Shibagaki, and T. Tsuda,
Diurnal variation of short-period (20-120 min) gravity waves in the equatorial mesosphere and lower thermosphere and its relation to deep tropical convection,
Ann. Geophys., 29, 623-629, doi:10.5194/angeo-29-623-2011, 2011
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R. Sapra, S.K. Dhaka, V. Panwar, R. Bhatnagar, K.P. Kumar, Y. Shibagaki, M.V. Ratnam and M. Takahashi,
Long-term variations in outgoing long-wave radiation (OLR), convective available potential energy (CAPE) and temperature in the tropopause region over India,
J. Earth Syst. Sci., 120, 807-823, 2011.
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S.K. Dhaka, R. Bhatnagar, Y. Shibagaki, H. Hashiguchi, S. Fukao, T. Kozu, and V. Panwar,
Characteristics of gravity waves generated in a convective and a non-convective environment revealed from hourly radiosonde observation under CPEA-II campaign,
Ann. Geophys., 29, 2259-2276, doi:10.5194/angeo-29-2259-2011, 2011.
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前川泰之・柴垣佳明・佐藤亨・山本衛・橋口浩之・深尾昌一郎,
赤道域Ku帯衛星回線伝搬路における降水雲分布の影響,
信学技報, AP2011, 1-6, 2011.
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T. Adachi, Y. Otsuka, M. Yamaoka, M. Yamamoto, K. Shiokawa, A. B. Chen, and R.-R. Hsu,
First satellite-imaging observation of medium-scale traveling ionospheric disturbances by FORMOSAT-2/ISUAL,
Geophys. Res. Lett., 38, L04101, doi:10.1029/2010GL046268, 2011.
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N. Balan, M. Yamamoto, V. Sreeja, I. S. Batista, K. J. W. Lynn, M. A. Abdu, S. Ravindran, T. Kikuchi, Y. Otsuka, K. Shiokawa, and S. Alex,
A statistical study of the response of dayside equatorial F2 layer to the main phase of intense geomagnetic storms,
J. Geophys. Res., 116, A03323, doi:10.1029/2010JA016001, 2011.
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N. Balan, M. Yamamoto, J. Y. Liu, Y. Otsuka, H. Liu, and H. Lühr,
New aspects of thermospheric and ionospheric storms revealed by CHAMP,
J. Geophys. Res., 116, A07305, doi:10.1029/2010JA016399, 2011.
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H. Jin, Y. Miyoshi, H. Fujiwara, H. Shinagawa, K. Terada, N. Terada, M. Ishii, Y. Otsuka, and A. Saito,
Vertical connection from the tropospheric activities to the ionospheric longitudinal structure simulated by a new Earth's whole atmosphere-ionosphere coupled model,
J. Geophys. Res., 116, A01316, doi:10.1029/2010JA015925, 2011.
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H. Liu, H., E. Doornbos, M. Yamamoto, and S. Tulasi Ram,
Strong thermospheric cooling during the 2009 major stratosphere warming,
Geophys. Res. Lett., 38, L12102, doi:10.1029/2011GL047898, 2011.
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H. Liu, M. Yamamoto, S. Tulasi Ram, T. Tsugawa, Y. Otsuka, C. Stolle, E. Doornbos, K. Yumoto, and T. Nagatsuma,
Equatorial electrodynamics and neutral background in the Asian sector during the 2009 stratospheric sudden warming,
J. Geophys. Res., 116, A08308, doi:10.1029/2011JA016607, 2011.
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Marzuki, W. L. Randeu, T. Kozu, T. Shimomai, and H. Hashiguchi,
Raindrop Axis Ratios, Fall Velocities and Size Distribution over Sumatra from 2D-Video Disdrometer Measurement,
Atmospheric Research, 97, doi:10.1016/j.atmosres.2011.08.006, 2011.
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M. Kawashima, Y. Fujiyoshi, M. Ohi, T. Honda, S. Mori, N. Sakurai, Y. Abe, W. Harjupa, F. Syamsudin, and M. D. Yamanaka,
Case study of an intense wind event associated with a mesoscale convective system in west Sumatera during the HARIMAU2006 campaign,
J. Meteor. Soc. Japan, 89A, 239-257, 2011.
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H. Fudeyasu, K. Ichiyanagi, K. Yoshimura, S. Mori, N. Sakurai, Hamada, J.-I., M. D. Yamanaka, J. Matsumoto, and F. Syamsudin,
Effects of large-scale moisture transport and mesoscale processes on precipitation isotope ratios observed at Sumatera, Indonesia,
J. Meteor. Soc. Japan, 89A, 49-59, 2011.
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S. Mori, Hamada J.-I., N. Sakurai, H. Fudeyasu, M. Kawashima, H. Hashiguchi, F. Syamsudin, A. A. Arbain, R. Sulistyowati, J. Matsumoto, and M. D. Yamanaka,
Convective systems developed along the coastline of Sumatera Island, Indonesia, observed with an X-band Doppler radar during the HARIMAU2006 Campaign,
J. Meteor. Soc. Japan, 89A, 23-43, 2011.
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N. Sakurai, S. Mori, M. Kawashima, Y. Fujiyoshi, J-I. Hamada, S. Shimizu, H. Fudeyasu, Y. Tabata, W. Harjupa, H. Hashiguchi, M. D. Yamanaka, J. Matsumoto, Emrizal, and F. Syamsudin,
Migration process and 3D wind field of precipitation systems associated with a diurnal cycle in west Sumatera: Dual Doppler radar analysis during the HARIMAU2006 campaign,
J. Meteor. Soc. Japan, 89, 341-361, 2011.
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Y. Tabata, H. Hashiguchi, M. K. Yamamoto, M. Yamamoto, M. D. Yamanaka, S. Mori, Fadli Syamsudin, and Timbul Manik,
Observational study on diurnal precipitation cycle in equatorial Indonesia using 1.3-GHz wind profiling radar network and TRMM precipitation radar,
Journal of Atmospheric and Solar-Terrestrial Physics, 73(9), 1031-1042, doi:10.1016/j.jastp.2010.10.003, 2011.
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Y. Tabata, H. Hashiguchi, M. K. Yamamoto, M. Yamamoto, M. D. Yamanaka, S. Mori, Fadli Syamsudin, and Timbul Manik,
Lower tropospheric horizontal wind over Indonesia: A comparison of wind profiler network observations with global reanalyses,
Journal of Atmospheric and Solar-Terrestrial Physics, 73(9), 986-995, doi:10.1016/j.jastp.2010.09.016, 2011.
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S. V. Thampi, M. Yamamoto, C. Lin, and H. Liu,
Comparison of FORMOSAT-3/COSMIC radio occultation measurements with radio tomography,
Radio Sci., 46, RS3001, doi:10.1029/2010RS004431, 2011.
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T. Yokoyama, M. Yamamoto, Y. Otsuka, M. Nishioka, T. Tsugawa, S. Watanabe, and R. F. Pfaff,
On post-midnight low-latitude ionospheric irregularities during solar minimum: 1. Equatorial Atmosphere Radar and GPS-TEC observations in Indonesia,
J. Geophys. Res., in press, doi:10.1029/2011JA016797, 2011.
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T. Yokoyama, R. F. Pfaff, P. A. Roddy, M. Yamamoto, and Y. Otsuka,
On post-midnight low-latitude ionospheric irregularities during solar minimum: 2. C/NOFS observations and comparison with Equatorial Atmosphere Radar,
J. Geophys. Res., in press, doi:10.1029/2011JA016798, 2011.
2010 (9 papers)
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T. Adachi, M. Yamaoka, M. Yamamoto, Y. Otsuka, H. Liu, C.-C. Hsiao, A. B. Chen, and R.-R. Hsu,
Midnight latitude-altitude distribution of 630-nm airglow in the Asian sector measured with FORMOSAT-2/ISUAL,
J. Geophys. Res., 115, A09315, doi:10.1029/2009JA015147, 2010.
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N. Balan, K.. Shiokawa, Y. Otsuka, T. Kikuchi, D. Vijaya Lekshmi, S. Kawamura, M. Yamamoto, and G. J. Bailey,
A physical mechanism of positive ionospheric storms at low latitudes and midlatitudes,
J. Geophys. Res., 115, A02304, doi:10.1029/2009JA014515, 2010.
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G. Li, B. Ning, L. Hu, L. Liu, X. Yue, W. Wan, B. Zhao, K. Igarashi, M. Kubota, Y. Otsuka, J. S. Xu, J. Y. Liu, and J. L. Chau,
Longitudinal development of low-latitude ionospheric irregularities during the geomagnetic storms of July 2004,
J. Geophys. Res., 115, A04304, doi:10.1029/2009JA014830, 2010.
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Marzuki, T. Kozu, T. Shimomai, H. Hashiguchi, W. L. Randeu and M. Vonnisa,
Raindrop size distributions of convective rain over equatorial Indonesia during the first CPEA campaign,
Atmospheric Research, 96(4), 645-655, 2010.
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Marzuki, W. L. Randeu, M. Schönhuber, V. N. Bringi, T. Kozu, T. Shimomai,
Raindrop size distribution parameters of distrometer data with different bin sizes,
IEEE Transactions on Geoscience and Remote Sensing, 48(8), 3075-3080, 2010.
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T. Mega, M. K. Yamamoto, H. Luce, Y. Tabata, H. Hashiguchi, M. Yamamoto, M. D. Yamanaka, and S. Fukao,
Turbulence generation by Kelvin-Helmholtz instability in the tropical tropopause layer observed with a 47-MHz range imaging radar,
J. Geophys. Res., 115, D18115, doi:10.1029/2010JD013864, 2010.
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K. Nishimura, T. Harada, and T. Sato,
Multistatic radar observation of a fine-scale wind field with a coupling-compensated adaptive array technique,
J. Meteorol. Soc. Jpn, 88(3), 409-424, 2010.
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R. T. Tsunoda, Bubenik D. M., Thampi, S. V., and Yamamoto, M.,
On large-scale wave structure and equatorial spread F without a post-sunset rise of the F layer,
Geophys. Res. Lett., 37: L07105, doi:10.1029/2009GL042357, 2010.
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S. V. Thampi, M. Yamamoto, H. Liu, S. Saito, Y. Otsuka, and A. K. Patra,
Nighttime-like quasi periodic echoes induced by a partial solar eclipse,
Geophys. Res. Lett., 37, L09107, doi:10.1029/2010GL042855, 2010.
2009 (33 papers)
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M. A. Abdu and C. G. M. Brum,
Electrodynamics of the vertical coupling processes in the atmosphere-ionosphere system of the low latitude region,
Earth Planets Space, 61(4), 385-395, 2009.
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N. Balan, H. Alleyne, Y. Otsuka, D. Vijaya Lekshmi, B. G. Fejer, and I. McCrea,
Relative effects of electric field and neutral wind on positive ionospheric storms,
Earth Planets Space, 61(4), 439-445, 2009.
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S. L. England, X. Zhang, T. J. Immel, J. M. Forbes, and R. DeMajistre,
The effect of non-migrating tides on the morphology of the equatorial ionospheric anomaly: seasonal variability,
Earth Planets Space, 61(4), 493-503, 2009.
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J. M. Forbes, X. Zhang, S. E. Palo, J. Russell, C. J. Mertens, and Martin Mlynczak,
Kelvin waves in stratosphere, mesosphere and lower thermosphere temperatures as observed by TIMED/SABER during 2002-2006,
Earth Planets Space, 61(4), 447-453, 2009.
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D. C. Fritts, M. A. Abdu, B. R. Batista, I. S. Batista, P. P. Batista, R. Buriti, B. R. Clemesha, T. Dautermann, E. de Paula, B. J. Fechine, B. Fejer, D. Gobbi, J. Haase, F. Kamalabadi, B. Laughman, L. M. Lima, H.-L. Liu, A. Medeiros, P.-D. Pautet, D. M. Riggin, F. Sao Sabbas, J. H. A. Sobral, P. Stamus, H. Takahashi, M. J. Taylor, S. L. Vadas, and C. M. Wrasse,
The spread F Experiment (SpreadFEx): Program overview and first results,
Earth Planets Space, 61(4), 411-430, 2009.
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H. Fujiwara and Y. Miyoshi,
Global distribution of the thermospheric disturbances produced by effects from the upper and lower regions: simulations by a whole atmosphere GCM,
Earth Planets Space, 61(4), 463-470, 2009.
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S. Gurubaran, R. Rajaram, T. Nakamura, T. Tsuda, D. Riggin, and R. A. Vincent,
Radar observations of the diurnal tide in the tropical mesosphere-lower thermosphere region: Longitudinal variabilities,
Earth Planets Space, 61(4), 513-524, 2009.
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A. M. Hasbi, M. Momani, M. Ali, N. Misran, K. Shiokawa, Y. Otsuka, and K. Yumoto,
Ionospheric and geomagnetic disturbances during the 2005 Sumatran earthquakes,
Journal of Atmospheric and Solar-Terrestrial Physics, 71, 17-81, doi:10.1016/j.jastp.2009.09.004, 1992-2005, 2009.
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T. J. Immel, S. L. England, X. Zhang, J. M. Forbes, and R. DeMajistre,
Upward propagating tidal effects across the E- and F-regions of the ionosphere,
Earth Planets Space, 61(4), 505-512, 2009.
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N. Kawano, H. Hashiguchi, K. Yoneyama, and S. Fukao,
Lower atmosphere observations over the equatorial Indian Ocean with a shipborne lower troposphere radar during MISMO field experiment,
Radio Sci., 44, RS6011, doi:10.1029/2008RS003885, 2009.
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S. Kato,
Validity on radar observation of middle- and upper-atmosphere dynamics,
Earth Planets Space, 61(4), 545-549, 2009.
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Y. Kawatani, M. Takahashi, K. Sato, S. P. Alexander, and T. Tsuda,
Global distribution of atmospheric waves in the equatorial upper troposphere and lower stratosphere: AGCM simulation of sources and propagation,
J. Geophys. Res., 114, D01102, doi:10.1029/2008JD010374, 2009.
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T. Kozu, T. Iguchi, T. Kubota, N. Yoshida, S. Seto, J. Kwiatkowski and Y. N. Takayabu,
Feasibility of Raindrop Size Distribution Parameter Estimation with TRMM Precipitation Radar,
J. Meteorol. Soc. Jpn., 87A, 53-66, 2009.
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T. Kozu, T. Iguchi, T. Shimomai, and N. Kashiwagi,
Raindrop size distribution modeling from a statistical rain parameter relation and its application to the TRMM Precipitation Radar rain retrieval algorithm,
J. Appl. Meteor. Climatol., 48, 716-724, 2009.
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T. Kozu, Y.-M. Kodama, Y. Shibagaki, T. Shimomai, M. Kawashima, and S. P. Alexander,
Diurnal and intraseasonal variation of UTLS vertical wind disturbance in the equatorial region and its relation to tropospheric convective activities,
Earth Planets Space, 61(4), 535-544, 2009.
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Marzuki, T. Kozu, T. Shimomai, W.L. Randeu, H. Hashiguchi, and Y. Shibagaki,
Diurnal variation of rain attenuation obtained from measurement of raindrop size distribution in equatorial Indonesia,
IEEE Trans. Antennas Propagation, 57, 1191-1196, 2009.
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Y. Miyoshi and H. Fujiwara,
Gravity waves in the equatorial thermosphere and their relation to lower atmospheric variability,
Earth Planets Space, 61(4), 471-478, 2009.
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T. Ogawa, Y. Miyoshi, Y. Otsuka, T. Nakamura, and K. Shiokawa,
Equatorial GPS ionospheric scintillations over Kototabang, Indonesia and their relation to atmospheric waves from below,
Earth Planets Space, 61(4), 397-410, 2009.
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Y. Otsuka, T. Ogawa, and Effendy,
VHF radar observations of nighttime F-region field-aligned irregularities over Kototabang, Indonesia,
Earth Planets Space, 61(4), 431-437, 2009.
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N. Sakurai, M. Kawashima, Y. Fujiyoshi, H. Hashiguchi, T. Shimomai, S. Mori, J-I. Hamada, M.D.Yamanaka, Y.I.Tauhid, T. Sribimawati, and B. Suhardi,
Internal structures of migratory cloud systems with diurnal cycle over Sumatera Island during CPEA-I campaign,
J. Meteor. Soc. Japan, 87(1), 157-170, 2009.
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S. Saroso, K. Hattori, H. Ishikawa, Y. Ida, R. Shirogane, M. Hayakawa, K. Yumoto, K. Shiokawa, and M. Nishihashi,
ULF geomagnetic anomalous changes possibly associated with 2004-2005 Sumatra earthquakes,
Phys. Chem. Earth, 34, 343-349, 2009.
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K. Sato, H. Okamoto, M. K. Yamamoto, S. Fukao , H. Kumagai, Y. Ohno, H. Horie, M. Abo,
95-GHz Doppler radar and lidar synergy for simultaneous ice microphysics and in-cloud vertical air motion retrieval,
J. Geophys. Res., 114, D03203, doi:10.1029/2008JD010222, 2009.
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R.K. Seth, B.M. Quine and Z.H. Zhu,
Feasibility of 20 km Free-Standing Inflatable Space Tower,
the Jouranl of British Interplanetary Society, 62, 342-353, 2009.
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T.H. Seto, Y. Tabata, M. K. Yamamoto, H. Hashiguchi, T. Mega, M. Kudsy, M. D. Yamanaka, and S. Fukao,
Comparison study of lower-tropospheric horizontal wind over Sumatra, Indonesia using NCEP/NCAR reanalysis, operational radiosonde, and the Equatorial Atmosphere Radar,
Scientific Online Letters on the Atmosphere, 5, 21-24, doi:10.2151/sola.2009-006, 2009.
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K. Shiokawa, Y. Otsuka, and T. Ogawa,
Propagation characteristics of nighttime mesospheric and thermospheric waves observed by optical mesosphere thermosphere imagers at middle and low latitudes,
Earth Planets Space, 61, 479-491, 2009.
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K. Shiokawa, K. Hosokawa, K. Sakaguchi, A. Ieda, Y. Otsuka, T. Ogawa and M. Connors,
The Optical Mesosphere Thermosphere Imagers (OMTIs) for network measurements of aurora and airglow,
Future Perspectives of Space Plasma and Particle Instrumentation and International Collaborations, AIP Conference proceedings, edited by M. Hirahara, Y. Miyoshi, N. Terada, I. Shinohara, and T. Mukai, AIP Conference proceedings, pp.212-215, doi:10.1063/1.3169292, 2009.
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S. Suzuki, K. Shiokawa, A. Z. Liu, Y. Otsuka, T. Ogawa, and T. Nakamura,
Characteristics of equatorial gravity waves derived from mesospheric airglow imaging observations,
Ann. Geophys., 27, 1625-1629, 2009.
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H. Takahashi, M. A. Abdu, C. M. Wrasse, J. Fechine, I. S. Batista, D. Pancheva, L. M. Lima, P. P. Batista, B. R. Clemesha, K. Shiokawa, D. Gobbi, M. G. Mlynczak, and J. M. Russell,
Possible influence of ultra-fast Kelvin wave on the equatorial ionosphere evening uplifting,
Earth Planets Space, 61(4), pp. 455-462, 2009.
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S. V. Thampi, M. Yamamoto, R. T. Tsunoda, Y. Otsuka, T. Tsugawa, J. Uemoto, and M. Ishii,
First observations of large-scale wave structure and equatorial spread F using CERTO radio beacons on the C/NOFS satellite,
Geophys. Res. Lett., 36, L18111, doi:10.1029/2009GL039887, 2009.
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T. Tsuda, M. V. Ratnam, S. P. Alexander, T. Kozu, and Y. Takayabu,
Temporal and spatial distributions of atmospheric wave energy in the equatorial stratosphere revealed by GPS radio occultation temperature data obtained with the CHAMP satellite during 2001-2006,
Earth Planets Space, 61(4), 525-533, 2009.
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M. K. Yamamoto, M. Abo, T. Kishi, N. Nishi, T.H. Seto, H. Hashiguchi, M. Yamamoto, and S. Fukao,
Vertical air motion in midlevel shallow-layer clouds observed by 47-MHz wind profiler and 532-nm Mie lidar: Initial results,
Radio Sci., 44, RS4014, doi:10.1029/2008RS004017, 2009.
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T. Yokoyama, D. L. Hysell, A. K. Patra, Y. Otsuka, and M. Yamamoto,
Zonal asymmetry of daytime 150-km echoes observed by Equatorial Atmosphere Radar in Indonesia,
Ann. Geophys., 27, 3, 967-974, 2009.
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前川泰之、柴垣佳明、佐藤亨、山本衛、橋口浩之、深尾昌一郎,
温帯および赤道域でのKu帯衛星上下回線における伝搬特性の測定,
信学技報, AP2009, 19-24, 2009.
2008 (13 papers)
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S. P. Alexander, and T. Tsuda,
Observations of the diurnal tide during seven intensive radiosonde campaigns in Australia and Indonesia,
J. Geophys. Res., 113, D04109, doi:10.1029/2007JD008717, 2008.
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S. P. Alexander, T. Tsuda, Y. Kawatani, and M. Takahashi,
Global distribution of atmospheric waves in the equatorial upper troposphere and lower stratosphere: COSMIC observations of wave mean flow interactions,
J. Geophys. Res., 113, D24115, doi:10.1029/2008JD010039, 2008.
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S. P. Alexander, T. Tsuda, Y. Shibagaki, T. Kozu,
Seasonal Gravity Wave Activity Observed with the Equatorial Atmosphere Radar (EAR) and its relation to the Tropical Rainfall Measuring Mission (TRMM),
J. Geophys. Res., 113,D02104,doi:10.1029/2007JD008777, 2008.
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S. P. Alexander, and T. Tsuda,
High-Resolution Radio Acoustic Sounding System (RASS) Observations and Analysis up to 20km,
J. Atmos. and Ocean Tech., 25(8), 1383-1396, doi:10.1175/2007JTECHA983.1, 2008.
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T. Horinouchi,
A numerical study of upward-propagating gravity waves in two different MJO phases,
Geophys. Res. Lett., 35, L17802, doi:10.1029/2008GL034992, 2008.
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Y. Maekawa, T. Nakatani, Y. Shibagaki, and K. Hatsuda,
A study on site diversity techniques related to rain front motion using Ku-band satellite signals,
IEICE Trans. Commun., E91-B, 1812-1818, 2008.
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A. K. Patra, T. Yokoyama, Y. Otsuka, M. Yamamoto,
Daytime 150-km echoes observed with the Equatorial Atmosphere Radar in Indonesia: First results,
Geophys. Res. Lett., 35, L06101, doi:10.1029/2007GL033130, 2008.
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S. Saito, S. Fukao, M. Yamamoto, Y. Otsuka, and T. Maruyama,
Decay of 3-m-scale ionospheric irregularities associated with a plasma bubble observed with the Equatorial Atmosphere Radar,
J. Geophys. Res., 113, A11318, doi:10.1029/2008JA013118, 2008.
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T. Shimomai, Y. Yokoyama, T. Kozu, and H. Hanado,
Simulation-Based performance evaluation of adaptive scan for spaceborne rain radar,
IEICE Trans. Commun., E91-B, 220-2024, 2008.
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S. Sridharan, T. Tsuda, T. Nakamura, and T. Horinouchi,
The 5-8-day Kelvin and Rossby waves in the Tropics as Revealed by Ground and Satellite-based Observations,
J. Meteorol. Soc. Japan, 86(1), 43-55, 2008.
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M. K. Yamamoto, Y. Ohno, H. Horie, N. Nishi, H. Okamoto, K. Sato, H. Kumagai, M. Yamamoto, H. Hashiguchi, S. Mori, N. O. Hashiguchi, H. Nagata, S. Fukao,
Observation of particle fall velocity in cirriform cloud by VHF and millimeter-wave Doppler radars,
J. Geophys. Res., 113, D12210, doi:10.1029/2007JD009125, 2008.
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M. Yamamoto,
Digital beacon receiver for ionospheric TEC measurement developed with GNU Radio,
Earth Planets Space, 60, e21-e24, 2008.
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M. D. Yamanaka, H. Hashiguchi, S. Mori, P.-M. Wu, Fadli Syamsudin, Timbul Manik, J.-I. Hamada, M. K. Yamamoto, M. Kawashima, Y. Fujiyoshi, N. Sakurai, M. Ohi, R. Shirooka, M. Katsumata, Y. Shibagaki, T. Shimomai, Erlansyah, Wawan Setiawan, Bambang Tejasukmana, Yusuf S. Djajadihardja, and Jana T. Anggadiredja,
HARIMAU Radar-Profiler Network over the Indonesian Maritime Continent: A GEOSS Early Achievement for Hydrological Cycle and Disaster Prevention,
Journal of Disaster Research, 3(1), 78-88, 2008.
2007 (20 papers)
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S. Alexander, T. Tsuda, and J. Furumoto,
Effects of atmospheric stability on wave and energy proparation in the troposphere,
J. Ocean. Atmos. esch., 24(4), 602-615, 2007.
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S. K. Dhaka, R. Bhatnagar, Y. Shibagaki, T. Kozu, S. Fukao, V. Malik, S. Malik, and A. Dutta,
Study of temporal variation of equatorial tropopause due to atmospheric wave in a CEPA campaign 2004 at Koto Tabang, Indonesia
Advances in GeoSciences, 9, pp.1-9, 2007.
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J. Du, W. E. Ward, J. Oberheide, T. Nakamura, and T. Tsuda,
Semidiurnal tides from the Extended Canadian Middle Atmosphere Model (CMAM) and comparisons with TIMED Doppler Interferometer (TIDI) and meteor radar observations,
Atmos. Solar-Terr. Phys., 69, 2159-2202, 2007.
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S. Fukao,
Recent Advances in Atmospheric Radar Study,
J. Meteor. Soc. Japan, 85B, 215-239, 2007.
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J. Furumoto, S. Imura, T. Tsuda, H. Seko, T. Tsuyuki, and K. Saito,
The variational assimilation method for the retrieval of humidity profiles with the wind-profiling Radar,
J. Atmos. Ocean. Tech., 24, 1525-1545, 2007.
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S. Imura, J. Furumoto, T. Tsuda, T. Nakamura, A. Behrendt, and M. Onishi,
Estimation of Humidity Profiles by Combining Co-locating VHF and UHF Wind-profiling Radar Data,
J. Meteor. Soc. Japan, 85, 301-319, 2007.
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N. Kotake, Y. Otsuka, T. Tsugawa, T. Ogawa, and A. Saito,
Statistical study of medium-scale traveling ionospheric disturbances observed with the GPS networks in Southern California,
Earth Planets Space, 59, 95-102, 2007
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N. Nishi, M. K. Yamamoto, T. Shimomai, A. Hamada, and S. Fukao,
Fine structure of vertical motion in the stratiform precipitation region observed by a VHF Doppler radar installed in Sumatra, Indonesia,
Journal of Applied Meteorology and Climatology, 46(2), 522-537, 2007.
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Y. Otsuka, F. Onoma, K. Shiokawa, T. Ogawa, M. Yamamoto, and S. Fukao,
Simultaneous observations of nighttime medium-scale traveling ionospheric disturbances and E region field-aligned irregularities at midlatitude,
J. Geophys. Res., 112, A06317, doi:101029/2005JA011548, 2007.
-
A. K. Patra, T. Yokoyama, M. Yamamoto, T. Nakamura, T. Tsuda, and S. Fukao,
Lower E-region field-aligned irregularities studied using the Equatorial Atmosphere Radar and meteor radar in Indonesia,
J. Geophys. Res., 112, A01301, doi:10.1029/2006JA011825. 2007.
-
A. V. Pavlov, and S. Fukao,
The ionospheric F2-region at low geomagnetic latitudes during the geomagnetic storms of 22-26 April 1990: Comparison of observed and modeled response,
J. Atmos. Solar-Terr. Phys., 69, 835-859, 2007.
-
K. Shiokawa, Y. Otsuka, S. Suzuki, T. Katoh, Y. Katoh, M. Satoh, T. Ogawa, H. Takahashi, D. Gobbi, T. Nakamura, B. P. Williams, C. -Y. She, M. Taguchi, and T. Shimomai,
Development of airglow temperature photometers with cooled-CCD detectors,
Earth Planets Space, 59, 585-599, 2007.
-
K. Shiokawa, S. Suzuki, Y. Otsuka, T. Ogawa, T. Nakamura, and T. Horinouchi,
An intense gravity wave near the mesopause region observed by a Fabry-Perot interferometer and an airglow imager,
J. Geophys. Res., 112, D07106, doi:10.1029/2006JD007385, 2007.
-
S. Sridharan, T. Tsuda, and S. Gurubaran,
Radar Observations of Long-term Variability of Mesosphere and Lower Thermosphere Winds over Tirunelveli (8.7N, 77.8E),
J. Geophys. Res., 112, D23105, doi:10.1029/2007JD00866, 2007.
-
S. Suzuki, K. Shiokawa, Y. Otsuka, T. Ogawa, M. Kubota, M. Tsutsumi, T. Nakamura, and D. C. Fritts,
Gravity wave momentum fulx in the upper mesosphere derived from OH airglow imaging measurements,
Earth Planets Space, 59, 421-428, 2007.
-
S. Suzuki, K. Shiokawa, Y. Otsuka, T. Ogawa, K. Nakamura, and T. Nakamura,
A concentric gravity wave structure in the mesospheric airglow images,
J. Geophys. Res., 112, D02102, doi:10.1029/2005JD006558, 2007.
-
M. K. Yamamoto, N. Nishi, T. Horinouchi, M. Niwano, and S. Fukao,
Vertical wind observation in the tropical upper troposphere by VHF wind profiler : A case study,
Radio Sci., 42, RS3005, doi:10.1029/2006RS003538, 2007.
-
T. Yokoyama, S.-Y. Su, and S. Fukao,
Plasma blobs and irregularities concurrently observed by ROCSAT-1 and Equatorial Atmosphere Radar,
J. Geophys. Res., 112, A05311, doi:10.1029/2006JA012044. 2007.
-
S. Alexander and T. Tsuda,
Measurements of vertical eddy diffusivity across the tropopause using radio acoustic sounding system(RASS),
Geophys. Res. Lett., 34. L06803, doi:10.1029/2006GL028753, 2007.
-
深尾昌一郎,
赤道大気上下結合,
天気, 54(2), 150-155, 2007.
2006 (51 papers)
-
M. Abo, C. Nagasawa, and Y. Shibata,
Cirrus Clouds Climatology over the Equatorial Region,
Reviewed and revised papers presented at the 23rd International Laser Radar Conference, 415-418, 2006.
-
S. Alexander, T. Tsuda, J. Furumoto, T. Shimomai, T. Kozu, and M. Kawashima,
A Statistical Overview of Convection during CPEA Campaign,
J. Meteor. Soc. Japan, CPEA Special Issue, 84A, 57-93, 2006.
-
R. Araki, M.D. Yamanaka, F. Murata, H. Hashiguchi, Y. Oku, T. Sribimawati, M. Kudsy, and F. Renggono,
Seasonal and Interannual Variations of Diurnal Cycles of Wind and Cloudy Activity Observed at Serpong, West Jawa, Indonesia
J. Meteor. Soc. Japan, CPEA Special Issue, 84A, 171-194, 2006.
-
N. Balan, S. Kawamura, T. Nakamura, M. Yamamoto, S. Fukao, W. L. Oliver, M. E. Hagan, A. D. Aylward, and H. Alleyne,
Simultaneous mesosphere-lower thermosphere and thermospheric F region observations using middle and upper atmosphere radar,
J. Geophys. Res., 111, A10S17, doi:10.1029/2005JA011487, 2006.
-
S. K. Dhaka, M. K. Yamamoto, Y. Shibagaki, H. Hashiguchi, S. Fukao, and H.-Y. Chun,
Equatorial Atmosphere Radar observations of short vertical wavelength gravity waves in the upper troposphere and lower stratosphere region induced by localized convection,
Geophys. Res. Lett., 33, L19805, doi:10.1029/2006GL027026, 2006.
-
S. Fukao,
Coupling Processes in the Equatorial Atmosphere (CPEA): A Project Overview,
J. Meteor. Soc. Japan, 84A, 1-18, 2006.
-
S. Fukao, T. Yokoyama, T. Tayama, M. Yamamoto, T. Maruyama, and S. Saito,
Eastward Traverse of Equatorial Plasma Plumes Observed with the Equatorial Atmosphere Radar in Indonesia.
Ann. Geophys, 24(5), 1411-1418, 2006.
-
J. Furumoto, T. Tsuda, S. Iwai, and T. Kozu,
Continuous humidity monitoring in a tropical region with the equatorial atmosphere radar (EAR),
J. Atmos. Oceanic. Tech., 23, 538-551, 2006.
-
M. Garcia-Fernandez and T. Tsuda,
A global distribution of sporadic E events revealed by means of CHAMP-GPS occultations,
Earth Planets Space, 58, 33-36, 2006.
-
K. Heki, Y. Otsuka, N. Chhoosakul, N. Hemmakorn, T. Komolmis, and T. Maruyama,
Detection of Ruptures of Andaman Fault Segments in the 2004 Great Sumatra Earthquake with Coseismic Ionospheric Disturbances,
J. Geophys. Res., 111, B09313, doi:10.1029/2005JB004202, 2006.
-
M. Kawashima, Y. Fujiyoshi, M. Ohi, T. Honda, T. Kozu, T. Shimomai, and H. Hashiguchi,
Overview of Doppler Radar Observations of Precipitating Cloud Systems in Sumatera Island during CPEA-IOP '04,
J. Meteor. Soc. Japan, CPEA Special Issue, 84A, 33-56, 2006.
-
Y.-M. Kodama, M. Tokuda, and F. Murata,
Convective Activity over the Indonesian Maritime Continent during CPEA-I as Evaluated by Lightning Activity and Q1 and Q2 Profiles,
J. Meteor. Soc. Japan, CPEA Special Issue, 84A, 133-149, 2006.
-
N. Kotake, Y. Otsuka, T. Tsugawa, T. Ogawa, and A. Saito,
Climatological study of GPS total electron content variations caused by medium-scale traveling ionospheric disturbances,
J. Geophys. Res., 111, A004306, doi:10.1029/2005JA011418, 2006.
-
T. Kozu, K. K. Reddy, S. Mori, M. Thurai, J.T. Ong, D.N. Rao, and T. Shimomai,
Seasonal and Diurnal Variations of Raindrop Size Distribution in Asian Monsoon Region,
J. Meteor. Soc. Japan, CPEA Special Issue, 84A 195-209, 2006.
-
Y. Maekawa, T. Fujiwara, Y. Shibagaki, T. Sato, M. Yamamoto, H. Hashiguchi, and S. Fukao,
Effects of tropical rainfall on the Ku-band satellite communications links at the Equatorial Atmosphere Radar Observatory,
J. Meteor. Soc. Japan, CPEA Special Issue, 84A, 211-225, 2006.
-
T. Maruyama, S. Saito, M. Yamamoto, and S. Fukao
Simultaneous Observation of Sporadic E with a Rapid-Run Ionosonde and VHF Coherent Backscatter Radar,
Ann. Geophys., 24(1), 153-162, 2006.
-
S. Mori, J. Hamada, M.D. Yamanaka, Y-M. Kodama, M. Kawashima, T. Shimomai, Y. Shibagaki, H. Hashiguchi, and T. Sribimawati,
Vertical Wind Characteristics in Precipitating Cloud Systems over West Sumatera, Indonesia, Observed with Equatorial Atmosphere Radar: Case Study on 23-24 April 2004 during the CPEA Campaign Period-1,
J. Meteor. Soc. Japan, CPEA Special Issue, 84A, 113-131, 2006.
-
J. Morita, Y. N. Takayabu, S. Shige, and Y. Kodama,
Analysis of rainfall characteristics of the Madden-Julian oscillation using TRMM satellite data,
Dyn. Atmosph. Ocea., 42, 107-126, 2006.
-
A. Mousa, Y. Aoyama, and T. Tsuda,
A Simulation analysis to optimize orbits for a tropical GPS radio occultation mission,
Earth, Planets and Space, 58(8), 919-925, 2006.
-
F. Murata, M. D. Yamanaka, H. Hashiguchi, S. Mori, M. Kudsy, T. Sribimawati, B. Suhardi and Emrizal,
Dry Intrusions Following Eastward-Propagating Synoptic-Scale Cloud Systems over Sumatera Island,
J. Meteor. Soc. Japan., 84, 277-294, 2006.
-
C. Nagasawa, M. Abo, and Y. Shibata,
Lidar System for Observations of Equatorial Lower and Upper Atmosphere,
Reviewed and revised papers presented at the 23rd International Laser Radar Conference, 43-46, 2006.
-
K. Nishimura, E. Gotoh, and T. Sato,
Fine scale 3D wind field observed with a multistatic equatorial atmosphere radar,
J. Meteor. Soc. Japan, CPEA Special Issue, 84A, 227-238, 2006.
-
K. Nojima, M. Abo, Y. Shibata, and C. Nagasawa,
Lidar Observations of Stratospheric and Mesospheric Temperature Structure over the Equator,
Reviewed and revised papers presented at the 23rd International Laser Radar Conference, .561- 562, 2006.
-
T. Ogawa, Y. Otsuka, K. Shiokawa, A. Saito, and M. Nishioka,
Ionospheric disturbances over Indonesia and their possible association with atmospheric gravity waves from the troposphere,
J. Meteor. Soc. Japan, CPEA Special Issue, 84A, 327-342, 2006.
-
T. Ogawa, Y. Otsuka, and M. Yamamoto,
Characteristics and implications of Doppler spectra of E region quasi-periodic echoes observed by the multibeam middle and upper atmosphere radar,
J. Geophys. Res., 111, A05309, doi:10.1029/2005JA011335, 2006.
-
Y. Otsuka, T. Aramaki, T. Ogawa, and A. Saito,
A statistical study of ionospheric irregularities observed with a GPS network in Japan, Corotating Solar Wind Streams and Recurrent,
Geomagnetic Activity, Geophys. Monogr., 271-281, Amer. Geophys. Union, 2006.
-
Y. Otsuka, N. Kotake, T. Tsugawa, K. Shiokawa, T. Ogawa, Effendy, S. Saito, M. Kawamura, T. Maruyama, N. Hemmakorn, and T. Komolmis,
GPS detection of total electron content variations over Indonesia and Thailand following the 26 December 2004 earthquake,
Earth Planets Space, 58, 159-165, 2006.
-
Y. Otsuka, K. Shiokawa, and T. Ogawa,
Equatorial ionospheric scintillations and zonal irregularity drifts observed with closely-spaced GPS receivers in Indonesia,
J. Meteor. Soc. Japan, CPEA Special Issue, 84A, 343-351, 2006.
-
A. V. Pavlov, S. Fukao, and S. Kawamura,
A Modeling study of Ionospheric F2-region storm effects at low geomagnetic latitudes during 17-22 March 1990,
Ann. Geophys., 24(3), 915-940, 2006.
-
M. V. Ratnam,T. Tsuda, T. Kozu, and S. Mori,
Long-term behavior of the Kelvin waves revealed by CHAMP/GPS RO measurements and their effects on the tropopause structure,
Annales Geophysicae., 24, 1355-1366, 2006.
-
M. V. Ratnam, T. Tsuda, S. Mori, and T. Kozu,
Modulation of tropopause temperature structure reveal by simultaneous radiosonde and CHAMP GPS measurements,
J. Meteor. Soc. Japan, 84(6), 989-1003, 2006.
-
M. V. Ratnam, T. Tsuda, Y. Shibagaki, T. Kozu, and S. Mori,
Gravity Wave Characteristics over the Equator Observed during CPEA Campaign using Simultaneous Data from Multiple Stations,
J. Meteor. Soc. Japan, CPEA Special Issue, 84A, 239-257, 2006.
-
F. Renggono, M. K. Yamamoto, H. Hashiguchi, S. Fukao, T. Shimomai, M. Kawashima, and M. Kudsy,
Raindrop size distribution observed with the Equatorial Atmosphere Radar (EAR) during the CPEA-I observation campaign,
Radio Sci., 41, RS5002, doi:1029/2005RS003333, 2006.
-
T. H. Seto, M. K. Yamamoto, H. Hashiguchi, S. Fukao, M. Abo, T. Kozu, and M. Kudsy,
Observational Study on Westerly Wind Burst over Sumatra, Indonesia by the Equatorial Atmosphere Radar - A Case Study during the First CPEA Observation Campaign -,
J. Meteor. Soc. Japan, CPEA Special Issue, 84A, 95-112, 2006.
-
Y. Shibagaki, T. Kozu, T. Shimomai, S. Mori, F. Murata, Y. Fujiyoshi, H. Hashiguchi, and S. Fukao,
Evolution of a Super Cloud Cluster and the Associated Wind Fields Observed over the Indonesian Maritime Continent during the First CPEA Campaign,
J. Meteor. Soc. Japan, CPEA Special Issue, 84A, 19-31, 2006.
-
Y. Shibagaki, T. Shimomai, T. Kozu, S. Mori, Y. Fujiyoshi, H. Hashiguchi, M. K. Yamamoto, S. Fukao, and M. D. Yamanaka,
Multi-scale convective systems associated with Intraseasonal variation over the Indonesian Maritime Continent,
Monthly Wea. Review, 134(6), 1682-1696, 2006.
-
Y. Shibata, C. Nagasawa, M. Abo, T. Maruyama, S. Saito, and T. Nakamura,
First Result of Sodium and Iron Layers over the Equator Observed with Resonance Scattering Lidars,
Reviewed and revised papers presented at the 23rd International Laser Radar Conference, 597-600, 2006.
-
Y. Shibata, C. Nagasawa, M. Abo, T. Maruyama, S. Saito, and T. Nakamura,
Lidar Observations of Sporadic Fe and Na Layers in the Mesopause Region over Equator,
J. Meteor. Soc. Japan, CPEA Special Issue, 84A, 317-325, 2006.
-
K. Shiokawa, Y. Otsuka, and T. Ogawa,
Quasi-periodic southward-moving waves in 630-nm airglow images in the equatorial thermosphere,
J. Geophys. Res., doi:10.1029/2005JA011406, 2006.
-
K. Shiokawa, S. Suzuki, Y. Otsuka, T. Ogawa, T. Nakamura, M. G. Mlynczak, and J. M. Russell III,
A multi-instrument measurement of a mesospheric front-like structure at the equator,
J. Meteor. Soc. Japan, CPEA Special Issue, 84A, 305-316, 2006.
-
S. Sridharan., T. Tsuda, T. Nakamura, T. Kozu, S. Mori, and J. M. Russell,
Observations of the 7-day Kelvin Wave in the Tropical Atmosphere during the CPEA Campaign,
J. Meteor. Soc. Japan, CPEA Special Issue, 84A, 259-275, 2006.
-
S. Sridharan., T. Tsuda, R.A. Vincent, T. Nakamura, and Effendy,
A Report on Radar Observations of 5-8-day Waves in the Equatorial MLT Region,
J. Meteor. Soc. Japan, CPEA Special Issue, 84A, 295-304, 2006.
-
Y. N. Takayabu, J. Yokomori, and K. Yoneyama,
A Diagnostic Study on Interactions Between Atmospheric Thermodynamic Structure and Cumulus Convection over the Tropical Western Pacific Ocean and over the Indochina Peninsula,
J. Meteor. Soc. Japan, CPEA Special Issue, 84A, 151-169, 2006.
-
T. Tsuda., M.V. Ratnam, T. Kozu, and S. Mori,
Characteristics of 10-day Kelvin Wave Observed with Radiosondes and CHAMP/GPS Occultation during the CPEA Campaign (April-May, 2004),
J. Meteor. Soc. Japan, CPEA Special Issue, 84A, 277-293, 2006.
-
K. Unnikrishnan, A. Saito, and S. Fukao,
Differences in daytime and nighttime ionospheric deterministic chaotic behavior: GPS total electron content analyses,
J. Geophys. Res., 111, A07310, doi:10.1029/2005JA011313, 2006.
-
K. Unnikrishnan, A. Saito, and S. Fukao,
Differences in magnetic storm and quiet ionospheric deterministic chaotic behavior: GPS total electron content analyses,
J. Geophys. Res., 111, A06304, doi:10.1029/2005JA011311, 2006.
-
C. M. Wrasse, T. Nakamura, H. Takahashi, A.F. Medeiros, M. J. Taylor, D. Gobbi, C. M. Denardini, J. Fechine, R. A.,Buriti, A. Salatun, E. Suratno, Achmad, A.G. Admiranto,
Mesospheric gravity waves observed near equatorial and low-middle latitude stations: wave characteristics and reverse ray tracing results,
Ann. Geophys., 24(12), 3229-3240, 2006.
-
C. M. Wrasse, T. Nakamura, T.Tsuda, H. Takahashi, A.F. Medeiros, M.J.Taylor, D. Gobbi, A. Salatun, Suratno, E. Achmad, and A. G. Admiranto,
Reverse ray tracing of the mesospheric gravity waves observed at 23S (Brazil) and 7S (Indonesia) in airglow imagers,
J. Atmos. Solar-Terr. Phys., 68(2), 163-181, 2006.
-
T. Yokoyama and S . Fukao,
Upwelling Backscatter Plumes in Growth Phase of Equatorial Spread F Observed with the Equatorial Atmosphere Radar.
Geophys. Res. Lett., 33, L08104, doi:10.1029/2006GL025680, 2006.
-
阿保 真,長澤親生,柴田泰邦:
赤道域に設置した多目的ライダーシステム,
日本リモートセンシング学会誌,26(1), 45-51, 2006.
-
内藤成規,長澤親生:
周期幅のある波動に多重にウェーブレット変換を応用した解析GMS VISSR赤外データによる赤道周辺で見られる季節内震動の解析,
日本リモートセンシング学会誌,26(2), 117-124, 2006.
2005 (26 papers)
-
P. A. Bernhardt, C. A. Selcher, C. Siefring, M. Wilkens, C. Compton, G. Bust, M. Yamamoto, S. Fukao, T. Ono, M. Wakabayashi, and H. Mori,
Radio Tomographic Imaging of Sporadic-E Layers during SEEK-2,
Ann. Geophys., 23, 2357-2368. 2005.
-
S. K. Dhaka, M. K. Yamamoto, Y. Shibagaki, H. Hashiguchi, M. Yamamoto, and S. Fukao,
Convection-induced gravity waves observed by the Equatorial Atmosphere Radar (0.20S, 100.32E) in Indonesia,
Geophys. Res. Lett., 32, L14820, doi:10.1029/2005GL022907, 2005.
-
J. Furumoto, S. Iwai, H. Fujii, T. Tsuda, W. Xin, T. Koike and L. Bian,
Estimation of humidity profiles with the L-band boundary layer radar-RASS measurements,
J. Meteor. Soc. Japan, 83(5), 895-908, 2005.
-
J. Furumoto, T. Tsuda, S. Iwai, and T. Kozu,
Continuous humidity monitoring in a tropical region with the equatorial atmosphere radar (EAR),
J. Atmos. Ocean. Tech., 23(4), 538-551, 2005.
-
M. Garcia-Fernandez, A. Saito, J. M. Juan, and T. Tsuda,
Three dimensional estimation of electron density over Japan using the GEONET GPS network combined with SAC-C data and ionosonde measurements,
J.Geophys. Res., 110, A11304, doi:10.1029/2005JA011037, 2005.
-
S. Gurubaran, R. Rajaram, T. Nakamura, and T. Tsuda,
Interannual variability of diurnal tide in the tropical mesopause region: A signature of the El Nino-Southern Oscillation (ENSO),
Geophys. Res. Lett., 32(13), L13805, 10.1029/2005GL022928, 2005.
-
N. Iwagami, S. Ohtsuki, M. Akojima, M. Kubota, Y. Murayama, S. Kawamura, R. Yoshimura, T. Nakamura, H. Yamamoto, H. Sekiguchi, N. Kimura, K. Shiokawa, T. Okada, K. Ishisaka, Y. Ashihara, Y. Kaiho, M. Abo, T. Abe, Y. Koizumi, and K.-I. Oyama,
Waves in airglow structures experiment 2004: Overview and preliminary results,
Adv. Space Res., 35, 1964-1970, 2005.
-
T. Kozu, T. Shimomai, Zainul Akramin, Marzuki, Y. Shibagaki, and H. Hashiguchi,
Intraseasonal variation of raindrop size distribution at Koto Tabang, West Sumatra, Indonesia,
Geophys. Res. Letters, 32, L07803, doi:10.1029/2004GL022340, 2005.
-
M. F. Larsen, M. Yamamoto, S. Fukao, R. T. Tsunoda, and A. Saito,
Observations of neutral winds, wind shears, and wave structure during a sporadic-E/QP event,
Ann. Geophys., 23, 2369-2375, 2005.
-
T. Nakamura, T. Fukushima, T. Tsuda, C.-Y. She, B.P. Williams, D. Krueger, and W. Lyons,
Simultaneous observation of dual-site airglow imagers and a Sodium temperature-wind lidar, and effect of atmospheric stability on the airglow structure,
Adv. Space Res., 35, 1957-1963, 2005
-
H. Nakata, I. Nagashima, K. Sakata, Y. Otsuka, Y. Akaike, T. Takano, S. Shimakura, K. Shiokawa, and T. Ogawa,
Observations of equatorial plasma bubbles using broadcast VHF radio waves,
Geophys. Res. Lett., 32(17), L17110, 10.1029/2005GL023243, 2005.
-
T. Ogawa, Y. Otsuka, F. Onoma, K. Shiokawa, and M. Yamamoto,
The first coordinated observations of mid-latitude E-region quasi-periodic radar echoes and lower thermospheric 557.7-nm airglow,
Ann. Geophysicae, 23, 2391-2399, 2005.
-
T. Ogawa, E. Sagawa, Y. Otsuka, K. Shiokawa, T. J. Immel, S. B. Mende, and P. Wilkinson,
Simultaneous ground- and satellite-based airglow observations of geomagnetic conjugate plasma bubbles in the equatorial anomaly,
Earth Planets Space, 57, 385-392, 2005.
-
A. K. Patra, T. Yokoyama, M. Yamamoto, S. Saito, T. Maruyama, and S. Fukao,
Disruption of E Region Echoes Observed by the EAR during the Development Phase of Equatorial Spread F: A Manifestation of Electrostatic Field Coupling,
Geophys. Res. Lett., 32(17), L17104, doi:10.1029/2005GL022868, 2005.
-
R. Pfaff, H. Freudenreich, T. Yokoyama, M. Yamamoto, S. Fukao, H. Mori, S. Ohtsuki, and N. Iwagami,
Electric field measurements of DC and long wavelength structures associated with sporadic-E layers and QP radar echoes,
Ann. Geophys., 23, 2319-2334, 2005.
-
M. V. Ratnam, T. Tsuda, M. Shiotani, and M. Fujiwara,
New Characteristics of the Tropical Tropopause Revealed by CHAMP/GPS Measurements,
SOLA, 1, doi:10.2151/sola.2005-048, 185-188, 2005.
-
S. Saito, M. Yamamoto, S. Fukao, M. Marumoto, and R. T. Tsunoda,
Radar observations of field-aligned plasma irregularities in the SEEK-2 campaign,
Ann. Geophys., 23, 2307-2318, 2005.
-
N. Sakurai, F. Murata, M. D. Yamanaka, S. Mori, J. Hamada, H. Hashiguchi, Y.I. Tauhid, T. Sribimawati, and B. Suhardi,
Diurnal cycle of cloud system migration over Sumatera Island,
J. Meteor. Soc. Japan, 835-850, 2005.
-
K. Shiokawa, Y. Otsuka, T. Tsugawa, T. Ogawa, A. Saito, K. Ohshima, M. Kubota, T. Maruyama, T. Nakamura, M. Yamamoto, and P. Wilkinson,
Geomagnetic conjugate observation of nighttime medium- and large-scale traveling ionospheric disturbances: FRONT3 campaign,
J. Geophys. Res., 110(A5), A05303, doi:10.1029/2004JA010845, 2005.
-
H. Takahashi, C. M. Wrasse, D. Gobbi, T. Nakamura, K. Shiokawa, and L.M. Lima,
Airglow OH emission height inferred from the OH temperature and meteor trail diffusion coefficient,
Adv. Space Res., 35, 1940-1944, 2005.
-
M. Teshiba, H. Fujita, H. Hashiguchi, Y. Shibagaki, M. D. Yamanaka, and S. Fukao,
Detailed structure within a tropical cyclone "eye.",
Geophys. Res. Lett., 32, L24805, doi:10.1029/2005GL023242, 2005.
-
K. Unnikrishnan, A. Saito, Y. Otsuka, M. Yamamoto, and S. Fukao,
Transition region of TEC enhancement phenomena during geomagnetically disturbed periods at mid-latitudes,
Ann. Geophys., 23, 3439-3450, 2005.
-
M. Yamamoto, S. Fukao, R. T. Tsunoda, R. Pfaff, and H. Hayakawa,
SEEK-2 (Sporadic-E Experiment over Kyusyu 2) -- Project Outline, and Significance --,
Ann. Geophys., 23, 2295-2305, 2005.
-
T. Yokoyama, A. K. Patra, S. Fukao, and M. Yamamoto,
Ionospheric Irregularities in the Low-Latitude Valley Region Observed with the Equatorial Atmosphere Radar.
J. Geophys. Res., 110, A10304, doi:10.1029/2005JA011208, 2005.
-
T. Yokoyama, M. Yamamoto, S. Fukao, T. Takahashi, and M. Tanaka,
Numerical simulation of midlatitude ionospheric E- region based on the SEEK and the SEEK-2 observations,
Ann. Geophys., 23, 2377-2384, 2005.
-
S.-R. Zhang, J. M. Holt, A. P. van Eyken, M. McCready, C. Amory-Mazaudier, S. Fukao, and M. Sulzer,
Ionospheric local model and climatology from long-Term databases of multiple incoherent scatter radars,
Geophys. Res. Lett., 32, L20102, doi:10.1029/2005GL023603, 2005.
2004 (38 papers)
-
Y. Aoyama, Y. Shoji, A. Mousa, T. Tsuda, and H. Nakamura,
Temperature and Water Vapor Profiles Derived from Downward-Looking GPS Occultation Data,
J. Meteor. Soc. Japan, 82(1B), 433-440, 2004.
-
N. Balan, S. Kawamura, T. Nakamura, M. Yamamoto, S. Fukao, K. Igarashi, T. Maruyama, K. Shiokawa, Y. Otsuka, T. Ogawa, H. Alleyne, S. Watanabe, and Y. Maruyama,
Simultaneous mesosphere/lower thermosphere and thermospheric F region observations during geomagnetic storms,
J. Geophys. Res., 109(A4), A04308, doi:10.1029/2003JA009982, 2004.
-
J. Fujii, T. Nakamura, T. Tsuda, and K. Shiokawa,
Comparison of wind velocity between MU radar and FPI considering OI5577 airglow height variations,
J. Atmos. Solar-Terr. Phys., 66, 573-583, 2004.
-
S. Fukao, Y. Ozawa, T. Yokoyama, M. Yamamoto, and R. T. Tsunoda,
First Observations of Spatial Structure of 3-m-Scale Field-Aligned Irregularities with the Equatorial Atmosphere Radar in Indonesia,
J. Geophys. Res., 109, A02304, 2004.
-
O. Ghebrebrhan, H. Luce, M. Yamamoto, and S. Fukao,
Interference suppression factor characteristics of complementary codes for ST/ MST radar applications,
Radio Sci., 39(3), RS3013, doi:10.1029/2003RS002901, 2004.
-
H. Hashiguchi, S. Fukao, Y. Moritani, T. Wakayama, and S. Watanabe,
A Lower Troposphere Radar: 1.3-GHz Active Phased-Array Type Wind Profiler with RASS,
J. Meteor. Soc. Japan, 82(3), 915-931, 2004.
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F. Isoda, T. Tsuda, T. Nakamura, R. A. Vincent, I. M. Reid, E. Acmad, A. Sadewo, and A. Nuryanto,
Intraseasonal Oscillations of the Zonal Wind near the Mesopause Observed with MF and Meteor Radars in the Tropics,
J. Geophys. Res., 109 (D21): Art. No. D21108,doi:10.1029/2003JD003378, 2004.
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L. M. Kagan, S. Fukao, M. Yamamoto, and P. B. Rao,
Observations of neutral winds and electric fields using backscatter from field-aligned irregularities,
Int. J. Geophys. Aeron., 5, GI1003, doi:10.1029/2003GI000056, 2004.
-
K. Kamio, K. Nishimura, and T. Sato,
Adaptive sidelobe control for clutter rejection of atmospheric radars,
Annales Geophys., 22(11), 4005-4012, 2004.
-
S. Mori, Hamada J.-I., Y. I. Tauhid, M. D. Yamanaka, N. Okamoto, F. Murata, N. Sakurai, H. Hashiguchi, and T. Sribimawati,
Diurnal land-sea rainfall peak migration over Sumatera Island, Indonesian maritime continent observed by TRMM satellite and intensive rawinsonde soundings,
Mon. Wea. Rev., 132, 2021-2039, 2004.
-
A. Mousa and T. Tsuda,
Inversion Algorithms for GPS Downward Looking Occultation Data: Simulation Analysis,
J. Meteor. Soc. Japan, 82(1B), 427-432, 2004.
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C. Nagasawa, M. Abo, and Y. Shibata,
Multi-Purpose Lidar System for Observations of Equatorial Atmosphere,
SPIE Fourth International Asia-Pacific Environment Remote Sensing Symposium Proceedings of SPIE, 5653, 130-137, 2004.
-
C. Nagasawa, D. Sakaizawa, H. Hara, and K. Mizutani,
Lasing Characteristics of a CW Tm,Ho:YLF Double Cavity Microchip Laser,
Optics Communications,234, 301-304, 2004.
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H. Nakata, Y. Akaike, Y. Otsuka, T. Takano, S. Ujigawa, and I. Nagasima,
Ray-tracing calculation of VHF radio waves scattered by field-aligned irregularities associated with equatorial plasma bubbles,
IEEJ Trans. FM, 124, 1253-1254, 2004.
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W. Noguchi, T. Yoshihara, T. Tsuda, and K. Hirahara,
Time-Height Distribution of Water Vapor Derived by Moving Cell Tomography During Tsukuba GPS Campaigns,
J. Meteor. Soc. Japan, 82(1B), 561-568, 2004.
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Y. Otsuka, K. Shiokawa, T. Ogawa, and P. Wilkinson,
Geomagnetic conjugate observations of medium-scale traveling ionospheric disturbances at midlatitude using all-sky airglow imagers,
Geophys. Res. Lett., 31, L15803, doi:10.1029/2004GL020262, 2004.
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Y. Otsuka, K. Shiokawa, T. Ogawa, T. Yokoyama, M. Yamamoto, and S. Fukao,
Spatial relationship of equatorial plasma bubbles and field-aligned irregularities observed with an all-sky airglow imager and the Equatorial Atmosphere Radar,
Geophys. Res. Lett., 31, L20802, 10.1029/2004GL020869, 2004.
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A. V. Pavlov, S. Fukao, and S. Kawamura,
Comparison of the measured and modeled electron densities, and electron and ion temperatures in the low-latitude ionosphere during 19-21 March 1988,
Ann. Geophys., 22, 2747-2763, 2004.
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A. V. Pavlov, S. Fukao, and S. Kawamura,
F-Region ionospheric perturbations in the low-latitude ionosphere during the geomagnetic storm of 25-27 August 1987,
Ann. Geophys., 22(10), 3479-3501, 2004.
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Q. Rao, H. Hashiguchi, S. Fukao, and T. Matsuda,
Effects of a clutter suppression cut-fence with a metallic disk on low-elevation sidelobes of lower-troposphere radar,
Radio Sci., 39(6), RS6002, doi:10.1029/2003RS002915, 2004.
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M. V. Ratnam, T. Tsuda, C. Jacobi, and Y. Aoyama,
Enhancement of gravity wave activity observed during a major Southern Hemisphere stratospheric warming by CHAMP/GPS measurements,
Geophys. Res. Lett., 31, L16101, doi:10.1029/2004GL019789, 2004.
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D. M. Riggin, R. S. Lieberman, R. A. Vincent, A. H. Manson, C. E. Meek, T. Nakamura, T. Tsuda, and Y. I. Portnyagin,
The 2-day wave during the boreal summer of 1994,
J. Geophys. Res., 109(D8), art.no.D08110, doi:10.1029/2003JD004493, 2004.
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T. Sakamoto and T. Sato,
A target shape estimation algorithm for pulse radar systems based on boundary scattering transform,
IEICE Trans. Commun., E87-B(5), 1357-1365, 2004.
-
T. Sakamoto and T. Sato,
An estimation algorithm of target location and scattered waveforms for UWB pulse radar systems,
IEICE Trans. Commun., E87-B(6), 1631-1638, 2004.
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T. Sakamoto and T. Sato,
A phase compensation algorithm for high-resolution pulse radar systems,
IEICE Trans. Commun., E87-B(11), 3314-3321, 2004.
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T. H. Seto, M. K. Yamamoto, H. Hashiguchi, and S. Fukao,
Convective activities associated with intraseasonal variation over Sumatera, Indonesia observed with the equatorial atmosphere radar,
Annales Geophysicae, 22, 3899-3916, 2004.
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K. Shiokawa, Y. Otsuka, T. Ogawa, and P. Wilkinson,
Time evolution of high-altitude plasma bubbles imaged at geomagnetic conjugate points,
Ann. Geophysicae, 22, 3137-3143, 2004.
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S. Suzuki, K. Shiokawa, Y. Otsuka, T. Ogawa, and P. Wilkinson,
Statistical characteristics of gravity waves observed by an all-sky imager at Darwin, Australia,
J. Geophys. Res. -Atmospheres, 109, D20S07, doi:10.1029/2003JD004336, 2004.
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H. Takahashi, T. Nakamura, K. Shiokawa, T. Tsuda, L. M. Lima, and D. Gobbi,
Atmospheric density and pressure inferred from the meteor diffusion coefficient and airglow O(2)b temperature in the MLT region,
Earth Planets Space, 56(2), 249-258, 2004.
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M. Teshiba, M. D. Yamanaka, H. Hashiguchi, Y. Shibagaki, Y. Ohno, and S. Fukao,
Secondary circulation within a tropical cyclone observed with L-band wind profilers,
Annales Geophysicae, 22, 3951-3958, 2004.
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A. de la Torre, T. Tsuda, G. A. Hajj, and J. Wickert,
A Global Distribution of the Stratospheric Gravity Wave Activity from GPS Occultation Profiles with SAC-C and CHAMP,
J. Meteor. Soc. Japan, 82(1B), 407-417, 2004.
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H.-F. Tsai, T. Tsuda, G. A. Hajj, J. Wickert, and Y. Aoyama,
Equatorial Kelvin Waves Observed with GPS Occultation Measurements (CHAMP and SAC-C),
J. Meteor. Soc. Japan, 82(1B), 397-406, 2004.
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T. Tsuda and K. Hocke,
Application of GPS Radio Occultation Data for Studies of Atmospheric Waves in the Middle Atmosphere and Ionosphere,
J. Meteor. Soc. Japan, 82(1B), 419-426, 2004.
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T. Tsuda, M. V. Ratnam, P. T. May, M. J. Alexander, R. A. Vincent, and A. MacKinnon,
Characteristics of gravity waves with short vertical wavelengths observed with radiosonde and GPS occultation during DAWEX (Darwin Area Wave Experiment),
J. Geophys. Res., 109, D20S03, doi:10.1029/2004JD004946, 2004.
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H. Wakaumi and C. Nagasawa,
High Detection Resolution for Two-Dimensional Bar-Code Dtection System Using Masked Collimators,
Sensors and Actuators,A110, 177-181, 2004.
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T. Yokoyama,, S. Fukao, and M. Yamamoto,
Relationship of the onset of equatorial F region irregularities with the sunset terminator observed with the Equatorial Atmosphere Radar,
Geophys. Res. Lett., 31(24), L24804, 2004.
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T. Yokoyama, T. Horinouchi, M. Yamamoto, and S. Fukao,
Modulation of the midlatitude ionospheric E region by atmospheric gravity waves through polarization electric field,
J. Geophys. Res., 109(A12), A12307, doi:10.1029/2004JA010508, 2004.
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児玉安正,
EAR(赤道大気レーダー)で観測された鉛直風変動と降水の関係,
月刊海洋/号外、No.38, 2004.
2003 (36 papers)
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S. K. Dhaka, M. Takahashi, Y. Kawatani, S. Malik, Y. Shibagaki, and S. Fukao,
Observations of Deep Convective Updrafts in Tropical Convection and their Role in the Generation of Gravity Waves,
J. Meteor. Soc. Japan, 81(5), 1185-1199, 2003.
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S. K. Dhaka, M. Takahashi, Y. Shibagaki, M. D. Yamanaka, and S. Fukao,
Gravity wave generation in the lower stratosphere due to passage of the typhoon 9426 (Orchid) observed by the MU radar at Shigaraki (35.85°N, 136.10°E),
J. Geophys. Res., 108(D19), 4595, doi:10.1029/2003JD003489, 2003.
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M. K. Ejiri, K. Shiokawa, T. Ogawa, K. Igarashi, T. Nakamura, and T. Tsuda,
Statistical study of short-period gravity waves in OH and OI nightglow images at two separated sites,
J. Geophys. Res., 108 (D21), 4679, doi:10.1029/2002JD002795, 2003.
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M. Fujiwara, M. Shiotani, F. Hasebe, H. Vomel, S. J. Oltmans, P. Ruppert, T. Horinouchi, and T. Tsuda,
Performance of the Meteolabor "Snow White" chilled-mirror hygrometer in the tropical troposphere: Comparisons with the Vaisala RS80 A/H-Humicap sensors,
J. Atmos. Ocean. Tech., 20(11), 1534-1542, 2003.
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M. Fujiwara, M. K. Yamamoto, H. Hashiguchi, T. Horinouchi, and S. Fukao,
Turbulence at the Tropopause due to Breaking Kelvin Waves Observed by the Equatorial Atmosphere Radar,
Geophys. Res. Lett., 30(4), 1171, doi:10.1029/2002GL016278, 2003.
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S. Fukao, H. Hashiguchi, M. Yamamoto, T. Tsuda, T. Nakamura, M. K. Yamamoto, T. Sato, M. Hagio, and Y. Yabugaki,
The Equatorial Atmosphere Radar (EAR): System Description and First Results,
Radio Sci., 38(4), 1053, doi:10.1029/2002RS002767, 2003.
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S. Fukao, Y. Ozawa, M. Yamamoto, and R.T. Tsunoda,
Altitude-extended equatorial spread F observed near sunrise terminator over Indonesia,
Geophys. Res. Lett.,30, 2137, 2003.
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J. Furumoto, K. Kurimoto, and T. Tsuda,
Continuous observations of humidity profiles with the MU radar-RASS combined with GPS and radiosonde measurements,
J. Atmos. Ocean. Tech., 20(1), 23-41, 2003.
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O. Ghebrebrhan, H. Luce, M. Yamamoto, and S. Fukao,
Subcomplementary Code Pairs: New Codes for ST/MST Radar Observations,
IEEE Trans. Geosci. Remote Sen., 41(1), 111-122, 2003.
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K. Hocke, K. Igarashi, and T. Tsuda,
High-resolution profiling of layered structures the lower stratosphere by GPS occultation,
Geophys. Res. Lett., 30 (8) Art. No.1426,doi:10.1029/2002GL016566, 2003.
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Y. Kawatani, S. K. Dhaka, M. Takahashi, and T. Tsuda,
Large potential energy of gravity waves over a smooth surface with little convection: Simulation and observation,
Geophys. Res. Lett., 30 (8): 1438, doi:10.1029/2003GL016960, 2003.
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K. Kikuchi and Y. N. Takayabu,
Equatorial Circumnavigation of Moisture Signal Associated with the Madden-Julian Oscillation(MJO) during Boreal Winter,
J. Meteor. Soc. Japan, 81(4), 851-869, 2003.
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K. Kikuchi and Y. N. Takayabu,
The development of organized convection associated with MJO during TOGA COARE IOP: Trimodal characteristics,
Geophysical Research Letters, 31, 10.1029/2004GL019601, 2003.
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R.S. Lieberman, D.M. Riggin, S.J. Franke, A.H. Manson, C. Meek, T. Nakamura,T. Tsuda, R.A. Vincent, and I. Reid,
The 6.5-day wave in the mesosphere and lower thermosphere: Evidence for baroclinic/barotropic instability,
J. Geophys. Res.-Atmospheres, 108 (D20): Art. No. 4640 , 2003.
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T. Murayama, S. J. Masonis, J. Redemann, T. L. Anderson, B. Schmid, J. M. Livingston, P. B. Russell, B. Huebert, S. G. Howell, C. S. McNaughton, A. Clarke, M. Abo, A. Shimizu, N. Sugimoto, M. Yabuki, H. Kuze, S. Fukagawa, K. Maxwell-Meier, R. J. Weber, D. A. Orsini, B. Blomquist, A. Bandy, and D. Thornton
An Intercomparison of Lidar-Derived Aerosol Optical Properties with Airborne Measurements near Tokyo during ACE-Asia,
J. of Geophysical Research,108, 8651-8669, 2003.
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T. Nakamura, T. Aono, T. Tsuda, A. G. Admiranto, E. Achmad, and Suratno,
Mesospheric gravity waves over a tropical convective region observed by OH airglow imaging in Indonesia,
Geophys. Res. Lett., 30(17): Art. No. 1882, doi:10.1029/2003GL017619, 2003.
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N. Okamoto, M. D. Yamanaka, S. Ogino, H. Hashiguchi, N. Nishi, T. Sribimawati, and A. Numaguti,
Seasonal variations of tropospheric wind over Indonesia: Comparison between collected operational rawinsonde data and NCEP realalysis for 1992-99,
J. Meteor. Soc. Japan, 81, 829-850, 2003.
-
Y. Otsuka, T. Kadota, K. Shiokawa, T. Ogawa, S. Kawamura,, S. Fukao, and S. -R. Zhang,
Optical and radio measurements of a 630-nm enhancement over Japan on September 9, 1999,
J. Geophys. Res., 108(A6), 1252, doi:10.1029/2002JA009594, 2003.
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A. Pavelyev, T. Tsuda, K. Igarashi, Y. Liou, and K. Hocke,
Wave structures in the electron density profile in the ionospheric D-layer observed by radio holography analysis of the GPS/MET radia occultation data,
J. Atmos. Solar Terr. Phys., 65(1), 59-70, 2003.
-
Q. Rao, H. Hashiguchi, and S. Fukao,
Radiation Pattern of a Planar Electromagnetically Coupled Coaxial Dipole Array Mounted Over a Finite Metallic Reflected Plate,
IEEE Trans. Antennas Propagat., 51(5), 1132-1136, 2003.
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Q. Rao, H. Hashiguchi, and S. Fukao,
Study on ground clutter prevention fences for boundary layer radars,
Radio Sci., 38(2), 1030, doi:10.1029/2001RS002489, 2003.
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K. K. Reddy and T. Kozu,
Measurements of raindrop size distribution over Gadanki during south-west and north-east monsoon,
Indian Journal of Radio & Space Physics, 32, October, 286-295, 2003.
-
Y. Shibagaki, M. D. Yamanaka, M. Kita-Fukase, H. Hashiguchi, Y. Maekawa, and S. Fukao,
Meso-α-Scale Wind Field and Precipitating Clouds in Typhoon 9426 (Orchid) Observed by the MU Radar,
J. Meteor. Soc. Japan, 81(2), 211-228, 2003.
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K. Shiokawa, C. Ihara, Y. Otsuka, and T. Ogawa,
Statistical study of nighttime medium-scale traveling ionospheric disturbances using midlatitude airglow images,
J. Geophys. Res., 108(A1), 1052, doi:10.1029/2002JA009491, 2003.
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K. Shiokawa, T. Kadota, Y. Otsuka, T. Ogawa, N. Nakamura, T. Tsuda, and S. Fukao,
A two-channel Fabry-Perot interferometer with thermoelectric-cooled CCD detectors for neutral wind measurement in the upper atmosphere,
Earth Planets Space, 55, 271-275, 2003.
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K. Shiokawa, Y. Otsuka, C. Ihara, T. Ogawa, and F. J. Rich,
Ground and satellite observations of nighttime medium-scale traveling ionospheric disturbance at midlatitude,
J. Geophys. Res., 108(A4), 1145, doi:10.1029/2002JA009639, 2003.
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K. Shiokawa, Y. Otsuka, T. Ogawa, S. Kawamura, M. Yamamoto, S. Fukao, T. Nakamura, T. Tsuda, N. Balan, K. Igarashi, G. Lu, A. Saito, and K. Yumoto,
Thermospheric wind during a storm-time large-scale traveling ionospheric disturbance,
J. Geophys. Res., 108(A12), 1423, doi:10.1029/2003JA010001, 2003.
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R. J. Stening, T. Tsuda, and T. Nakamura,
Lunar tidal winds in the upper atmosphere over Jakarta,
J. Geophys. Res., 108 (A5), 1192, doi:10.1029/2002JA009528, 2003.
-
H. Takahashi, T. Tsuda, T. Nakamura, F. Isoda, D. Gobbi, J. Scheer, and D. Offermann,
The lowest mesopause temperature in 1996 and 1997 at 23 degrees S,
Adv. in Space Res., 32(9), 1781-1786, 2003.
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M. Thurai, T. Iguchi, T. Kozu, J. D. Eastment, C. L. Wilson, nad J. T. Ong,
Radar Observations in Singapore and their Implications for the TRMM Precipitation Radar Retrieval Algorithms,
Radio Science, 38(5), 7-1 - 7-13, 2003.
-
C. M. Wrasse, T. Nakamura, T. Tsuda, H. Takahashi, D. Gobbi, A.F. Medeiros, M.J. Taylor,
Atmospheric wind effects on the gravity wave propagation observed at 22.7 degrees S - Brazil,
Middle Atmosphere Structure and Dynamics Advances in Space Research, 32 (5), 819-824, 2003.
-
M. K. Yamamoto, M. Fujiwara, T. Horinouchi, H. Hashiguchi, and S. Fukao,
Kelvin-Helmholtz Instability around the Tropical Tropopause Observed with the Equatorial Atmosphere Radar,
Geophys. Res. Lett., 30(9), 1476, doi:10.1029/2002GL016685, 2003.
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M. K. Yamamoto, M. Oyamatsu, T. Horinouchi, H. Hashiguchi, and S. Fukao,
High time resolution determination of the tropical tropopause by the equatorial atmosphere radar,
Geophys. Res. Lett., 30, doi:10.1029/2003GL018072, 2003.
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S.-R. Zhang, W. L. Oliver, J. M. Holt, and S. Fukao,
Ionospheric data assimilation: Comparison of extracted parameters using full density profiles and key parameters,
J. Geophys. Res., 108(A3), 1131, doi:10.1029/2002JA009521, 2003.
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神尾和憲, 佐藤 亨,
高利得アレー用アダプティブサイドローブ抑圧法,
電子情報通信学会論文誌, J86-B(5), 790-797, 2003.
-
内藤成規・長澤親生,
ウエーブレット変換を応用した大気波動追跡手法-GMS時系列データへの適用-,
日本リモートセンシング学会誌, 23(2), 119-125, 2003.
2002 (22 papers)
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M. J. Alexander, T. Tsuda, and R. A. Vincent,
Latitudinal variations observed in gravity waves with short vertical wavelengths,
J. Atmos. Sci., 59 (8), 1394-1404, 2002.
-
S. K. Dhaka, R. K. Choudhary, S. Malik, Y. Shibagaki, M. D. Yamanaka, and S. Fukao,
Observable signatures of a convectively generated wave field over the tropics using Indian MST radar at Gadanki (13.5N, 79.2E),
Geophys. Res. Lett., 29(18), 1872, doi:10.1029/2002GL014745, 2002.
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T. W. Hadi, T. Horinouchi, T. Tsuda, H. Hashiguchi, and S. Fukao,
Sea-Breeze Circulation over Jakarta, Indonesia: A Climatology Based on Boundary Layer Radar Observations,
Mon. Weather Rev., 130, 2153-2166, 2002.
-
J.-I. Hamada, M. D. Yamanaka, J. Matsumoto, S. Fukao, P. A. Winarso, and T. Sribimawati,
Spacial and Temporal Variations of the Rainy Season over Indonesia and their Link to ENSO,
J. Meteor. Soc. Japan, 80(2), 285-310, 2002.
-
K. Hocke, T. Tsuda, and A. de la Torre,
A study of stratospheric GW fluctuations and sporadic E at midlatitudes with focus on possible orographic effect of Andes,
J. Geophys. Res.-Atmos. 107(D20), art.no.4428, 2002.
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T. Horinouchi, T. Nakamura, and J. Kosaka,
Convectively generated mesoscale gravity waves simulated throughout the middle atmosphere,
Geophys. Res. Lett., 29(21), 2007, doi:10.1029/2002GL016069, 2002.
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D. L. Hysell, M. Yamamoto, and S. Fukao,
Imaging radar observations and theory of type I and Type II quasi-periodic echoes,
J. Geophys. Res., 107(A11), 1360, doi:10.1029/2002JA009292, 2002.
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F. Isoda, T. Tsuda, T. Nakamura, Y, Murayama, K. Igarashi, R. A. Vincen, I. M. Reid, A. Nuryanto, and S. L. Manurung,
Long-period wind oscillations in the mesosphere and lower thermosphere at Yamagawa (32N, 131E), Pontianal (0N, 109E) and Christmas Island (2N, 157W),
J. Atom. Solar-Terr. Phys., 64, 1055-1068, 2002.
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Y.-M. Kodama and A. Tamaoki,
A re-examination of precipitation activity in the subtropics and the mid-latitudes based on satellite-derived data,
J. Meteor. Soc. Japan, 80(5), 1261-1278, 2002.
-
T. Maruyama, K. Nozaki, M. Yamamoto, and S. Fukao,
Ionospheric Height Changes at Two Closely Separated Equatorial Stations and Implications in Spread F Onsets,
J. Atmos. Solar-Terr. Phys., 64, 1557-1663, 2002.
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F. Murata, M. D. Yamanaka, M. Fujiwara, S.-Y. Ogino, H. Hashiguchi, S. Fukao, M. Kudsy, T. Sribimawati, S. W. B. Harijono, and E. Kelana,
Relationship Between Wind and Precipitation Observed with UHF Radar, GPS Rawinsonde and Surface Meteorological Instruments at Kototabang, West Sumatera Indonesia during September-October 1988,
J. Meteor. Soc. Japan, 80, 347-360, 2002.
-
T. Nakamura, S. Morita, T. Tsuda, H. Fukunishi, and Y. Yamada,
Horizontal structure of wind velocity field around the mesopause region derived from meteor radar observations,
J. Atmos. Solar Terr. Phys., 64, 947-958, 2002.
-
T. Ogawa, N. Balan, Y. Otsuka, K. Shiokawa, C. Ihara, T. Shimomai, and A. Saito,
Observations and modeling of 630 nm airglow and total electron content associated with traveling ionospheric disturbances over Shigaraki, Japan,
Earth Planets Space, 54, 45-56, 2002.
-
T. Ogawa, O. Takahashi, Y. Otsuka, K. Nozaki, M. Yamamoto, and K. Kita,
Simultaneous middle and upper atmosphere radar and ionospheric sounder observations of midlatitude E region irregularities and sporadic E layer,
J. Geophys. Res., 107(A10), 1275, doi:10.1029/2001JA900176, 2002.
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Y. Otsuka, K. Shiokawa, T. Ogawa, and P. Wilkinson,
Geomagnetic conjugate observations of equatorial airglow depletions,
Geophys. Res. Lett., 29(15), 43-1-4, 10.1029/2002GL015347, 2002.
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D. Pancheva, N. J. Mitchell, M.E.Hagan, A. H. Manson, C. E. Meek, Y. Luo, Ch. Jacobi D. Krueschner, R.R. Clark, W. K.Hoking, J. MacDougall, G.O.L.Jones, R. A. Vincent, I. M. Reid, W. Singer, K. Igarashi, G. I. Fraser, T. Nakamura, T. Tsuda, Yu Portnyagin, E. Merzlyakov, A. N. Fahrutdinova, A. M. Stepanov, L. M. G. Poole, S. B. Malinga, B. L. Kashcheyev, A. N. Oleynikov, and D. M. Riggin,
Global-scale tidal structure in the mesosphere and lower thermosphere during the PSMOS campaign of June-August 1999 and comparisons with the global-scale wave model,
J. Atom. solar-Terr. Phys., 64, 1011-1036, 2002.
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K. K. Reddy, T. Kozu, Y. Ohno, K. Nakamura, A. Higuchi, K.M.C. Reddy, V.K. Anandan, P. Srinibasulu, A.R. Jain, P.B.Rao, R.R. Rao, G. Viswanathan and D. N. Rao,
Planetary boundary layer and precipitation studies using lower atmospheric wind profiler over tropical India,
Radio Science, 37(4), 14-1 -14-17, 2002.
-
L. Smaini, H. Luce, M. Crochet, and S. Fukao,
An Improved High-Resolution Processing Method for a Frequency Domain Interferometric Imaging (FII) Technique,
J. Atmos. Oceanic Tech., 19, 954-966, 2002.
-
Y.N. Takayabu,
Spectral representation of rain profiles and diurnal variations observed with TRMM PR data over the equatorial area,
Geophys. Res. Lett., 29, 10. 1029/2001GL014113, 2002.
-
T. Tsuda and K. Hocke,
Vertical wave number spectrum of temperature fluctuations in the stratosphere using GPS occultation data,
J. Meteor. Soc. J., 80 (4B), 925-938, 2002.
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T. Tsuda, S. Yoshida, F. Isoda, T. Nakamura, A. Nuryanto, S. Manurung, O. Sobari, R. A. Vincent, and I. M. Reid,
Long-term variations of atmospheric wave activity in the mesosphere and lower thermosphere region over the equatorial Pacific,
J. Atom. solar-Terr. Phys., 64, 1123-1130, 2002.
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M. K. Yamamoto, M. K., H. Hashiguchi, S. Fukao, Y. Shibano, and K. Imai,
Development of a Transportable 3-GHz Wind Profiler for Wind and Precipitation Studies,
J. Meteor. Soc. Japan, 80(2), 273-283, 2002.
2001 (4 papers)
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K. K. Reddy, T. Kozu, K. Nakamura, Y. Ohno, P. Srinivasulu, V. K. Anandan, A. R. Jain, P. B. Rao, R. R. Rao, G. Viswanathan, and D. N. Rao,
Lower atmospheric wind profiler at Gadanki, tropical India: Initial results,
Meteorologishce Zeitschrift, 10(6), 457-468, 2001.
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F. Renggono, H. Hashiguchi, S. Fukao, M. D. Yamanaka, S.-Y. Ogino, N. Okamoto, F. Murata, B. P. Sitorus, M. Kudsy, M. Kartasasmita, and G. Ibrahim,
Precipitating clouds observed by 1.3-GHz boundary layer radars in equatorial Indonesia,
Annales Geophysicae, 19(8), pp. 889-897, 2001.
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I. Widiyatmi, H. Hashiguchi, S. Fukao, M. D. Yamanaka, S. Ogino, K. S. Gage, S. W. B. Harijono, S. Diharto, and H. Djojodihardjo,
Examination of 3-6 day disturbances over equatorial Indonesia based on boundary layer radar observations during 1996-1999 at Bukittinggi, Serpong, and Biak,
J. Meteor. Soc. Japan, 79, 317-331, 2001.
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A. Shimizu and T. Tsuda,
Seasonal and QBO-related variations in gravity wave activities observed with radiosondes at Bandung, Indonesia,
J. Meteorol. Soc. Japan, 79, 185-200, 2001.