TY - JOUR A1 - Umezawa, T. A1 - Machida, T. A1 - Ishijima, K. A1 - Matsueda, H. A1 - Sawa, Y. A1 - Patra, P. K. A1 - Aoki, S. A1 - Nakazawa, T. T1 - Carbon and hydrogen isotopic ratios of atmospheric methane in the upper troposphere over the Western Pacific JO - Atmos. Chem. Phys. J1 - ACP VL - 12 IS - 17 SP - 8095 EP - 8113 Y1 - 2012/09/10 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/12/8095/2012/ L1 - https://acp.copernicus.org/articles/12/8095/2012/acp-12-8095-2012.pdf DO - 10.5194/acp-12-8095-2012 ER -