*Daisike Suzuki¹, Hideaki Nakajima^2,1, Isao Murata¹, Isamu Morino² (1.Graduate school of Environmental Studies, Tohoku University, 2.National Institute for Environmental Studies)

*Hirofumi Ohyama¹, Kei Shiomi², Nobuhiro Kikuchi², Isamu Morino¹, Akihiro Hori¹, Tsuneo Matsunaga¹ (1.National Institute for Environmental Studies, 2.Japan Aerospace Exploration Agency)

*Isao Murata¹, Yoshihiro Tomikawa^2,3, Isamu Morino⁴, Hideaki Nakajima⁴, Hideharu Akiyoshi⁴ (1.Graduate School of Environmental Studies, Tohoku University, 2.National Institute of Polar Research, 3.The Graduate University for Advanced Studies, SOKENDAI , 4.National Institute for Environmental Studies)

*Masanori Takeda^1,2, Hideaki Nakajima^2,1, Isao Murata¹, Tomoo Nagahama³, Isamu Morino² (1.Graduate School of Environmental Studies, Tohoku University, 2.Center for Global Environmental Research, National Institute for Environmental Studies, 3.Institute for Space-Earth Environmental Research, Nagoya University)

*Makoto Saito¹, Yosuke Niwa¹, Tazu Saeki¹, Kazutaka Murakami¹, Richao Cong¹, Tatsuya Miyauchi¹, Hisashi Yashiro¹, Tomohiro Shiraishi¹, Ryuichi Hirata¹, Yukio Yoshida¹, Isamu Morino¹, Hibiki M Noda¹, Hirofumi Ohyama¹, Akihide Kamei¹, Tsuneo Matsunaga¹ (1.National Institute of Environmental Studies)

*Fenjuan Wang^1,2, Shamil S Maksyutov¹, Rajesh Janardanan¹, Aki Tsuruta³, Akihiko Ito¹, Isamu Morino¹, Yukio Yoshida¹, Johannes W. Kaiser⁴, Greet Janssens Maenhout⁵, Ed Dlugokencky⁶, Ivan Mammarella⁷, Jost V. Lavric⁸, Tsuneo Matsunaga¹ (1.NIES National Institute of Environmental Studies, 2.Department of Climate Change, National Climate Center, 3.Finnish Meteorological Institute, 4.Deutscher Wetterdienst, 5.European Commission Joint Research Centre, 6.Earth System Research Laboratory, NOAA, 7.University of Helsinki, 8.Max Planck Institute for Biogeochemistry)

*TRIEU THI NGOC TRAN¹, Isamu Morino¹, Osamu Uchino¹, Yukitomo Tsutsumi¹, Tetsu Sakai², Tomohiro Nagai², Akihiro Yamazaki², Hiroshi Okumura³, Kouhei Arai³, Ben Liley⁴ (1.National Institute for Environmental Studies (NIES), Tsukuba, Japan, 2.Meteorological Research Institute, Japan Meteorological Agency, Tsukuba, Japan, 3.Graduate school of Science and Engineering, Saga University, Saga, Japan, 4.National Institute of Water and Atmospheric Research, Lauder, New Zealand)

*Tsuneo Matsunaga¹, Isamu Morino¹, Yukio Yoshida¹, Makoto Saito¹, Hibiki M Noda¹, Hirofumi Ohyama¹, Yosuke Niwa¹, Akihide Kamei¹, Fumie Kawazoe¹, Tazu Saeki¹, Ryoichi Imasu², Naoko Saitoh³, Takashi Nakajima⁴, Teruyuki Nakajima⁵, Makiko Hashimoto⁵ (1.National Institute for Environmental Studies, 2.The University of Tokyo, 3.Chiba University, 4.Tokai University, 5.Japan Aerospace Exploration Agency)

*Isamu Morino¹, Yukitomo Tsutsumi¹, Osamu Uchino¹, Hirofumi Ohyama¹, Thi Ngoc Trieu Tran¹, Frey Max Matthias¹, Yukio Yoshida¹, Tsuneo Matsunaga¹, Akihide Kamei¹, saito makoto¹, Hibiki M Noda¹, TCCON partners² (1.NIES National Institute of Environmental Studies, 2.https://tccon-wiki.caltech.edu)