*Tikemani Bag^1,2、Yasunobu Ogawa¹、V. Sivakumar³、Vir Singh⁴ (1.National Institute of Polar Research, Tokyo、2.Center for Environmental Remote Sensing, Chiba University, Japan、3.S. V. Raman Researchers Roadmap, Westville, Durban 4000, South Africa、4.Department of Physics, Indian Institute of Technology Roorkee, India)

*Tikemani Bag¹、Naoko Saitoh¹、Yousuke Sato² (1.Center for Environmental Remote Sensing, Chiba University, Japan、2.Faculty of Science, Hokkaido University, Japan)