"工藤久志,谷 篤史,山田桂太,吉田尚弘","氷衛星条件を想定したガスハイドレートの生成に伴うメタンガスの安定炭素・水素同位体分別","2021年度日本地球化学会第68回年会",,,,,,2021,Aug. "Sambit Ghosh,Sakae Toyoda,Jinho Ahn,Youngjoon Jang,Naohiro Yoshida","Understanding the evolution of atmospheric nitrous oxide over the last century from the stable isotopes of the firn air at Styx Glacier, East Antarctica","EGU General Assembly 2021: Virtual",,,,,,2021,Apr. "Sakae Toyoda,Takahito Kakimoto,Kushi Kudo,Naohiro Yoshida,Daisuke Sasano,Naohiro Kosugi,Masao Ishii,Sohiko Kameyama,Mahomi Inagawa,Hisayuki Yoshikawa-Inoue,Shigeto Nishino,Akihiko Murata,Shigeyuki Ishidoya,Shinji Morimoto","Distribution and Production Mechanisms of N2O in the Western Arctic Ocean",,"Global Biogeochemical Cycles",,"Vol. 35",,,2021,Mar.