*Tsuneo Matsunaga¹、Akira Iwasaki²、Tetsushi Tachikawa³、Jun Tanii³、Osamu Kashimura³、Koichiro Mouri³、Hitomi Inada³、Satoshi Tsuchida⁴、Ryosuke Nakamura⁴、Hirokazu YAMAMOTO⁴、Koki Iwai⁴ (1.Center for Global Environmental Research and Satellite Observation Center, National Institute for Environmental Studies、2.The University of Tokyo、3.Japan Space Systems、4.National Institute of Advanced Industrial Science and Technology)