Changes in terrestrial CO2 budget in Siberia in the past three decades

Kazuhito Ichii1,2, Masayuki Kondo3, Masahito Ueyama4, Akihiko Ito3,5, Hideki Kobayashi6, Shamil S Maksyutov1, Takashi Maki7, Takashi Nakamura8, Yosuke Niwa9, Prabir Kumar Patra10, Tazu Saeki11, Hisashi Sato3, Takahiro Sasai12, Nobuko Saigusa1, Hanqin Tian13, Yuji Yanagi3, Bowen Zhang14 and Asia-MIP, (1)CGER-NIES, Tsukuba, Japan, (2)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Department of Environmental Geochemical Cycle Research, Kanagawa, Japan, (3)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, (4)Osaka Prefecture University, Sakai, Japan, (5)The University of Tokyo, Graduate School of Agricultural and Life Sciences, Tokyo, Japan, (6)Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Research Institute for Global Change, Yokohama, Japan, (7)Japan Meteorological Agency, Ibaraki, Japan, (8)Japan Meteorological Agency, Tokyo, Japan, (9)Meteorological Research Institute, Ibaraki, Japan, (10)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Yokohama, Japan, (11)National Institute for Environmental Studies, Tsukuba, Japan, (12)University of Tsukuba, Tsukuba, Japan, (13)Auburn University, Auburn, AL, United States, (14)Auburn University, International Center for Climate and Global Change Research and School of Forestry and Wildlife Sciences, Auburn, AL, United States