*Hitoshi Hirose¹, Takuji Kubota¹, Atsushi Higuchi², Koichi Toyoshima², Shoichi Shige³, Tomoo Ushio⁴, Tomoaki Mega⁴ (1.Japan Aerospace Exploration Agency, 2.Center for Environmental Remote Sensing, Chiba university, 3.Department of Science, Kyoto University, 4.Department of Engineering, Osaka University)