Shamil S Maksyutov¹, Tomohiro Oda², Greet Janssens-Maenhout³, Rajesh Janardanan Achari¹, Annmarie Eldering⁴ and Tsuneo Matsunaga¹, (1)National Institute for Environmental Studies, Tsukuba, Japan, (2)USRA/NASA Goddard Space Flight Center, Greenbelt, MD, United States, (3)European Commission, Joint Research Center (JRC), Ispra, Italy, (4)NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States