The Equatorial Atmosphere Radar (EAR) is a VHF atmospheric radar located in Kototabang, West Sumatra, Indonesia. It is operated by collaboration between the Research Institute for Sustainable Humanosphere (RISH), Kyoto University of Japan and National Institute of Aeronautics and Space of Indonesia (LAPAN) since 2001. The equatorial atmosphere over Indonesia is considered to play an important role in global change of the Earth's atmosphere. A research project called Coupling Processes in the Equatorial Atmosphere (CPEA) was conducted to understand the basic processes of the vertical coupling on various spatial and temporal scales occurring in the equatorial low, middle, and upper atmosphere and ionosphere in 2001-2007. Many facilities such as a meteor wind radar, an all-sky airglow imager, various kinds of lidars, and a weather radar have been equipped in the EAR site. RISH has conducted a collaborative research program by using the EAR and its related facilities since 2005 to enhance scientific research activity conducted with the EAR and associated facilities, or by using their database. At this symposium participants will exchange information on a wide range of research results from the EAR and related facilities during 10 years. The symposium will cover research results based on observations and numerical models in the tropics. There will also be discussion of outlooks for the future.
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