TY - JOUR A1 - Araki, M. A1 - Morino, I. A1 - Machida, T. A1 - Sawa, Y. A1 - Matsueda, H. A1 - Yokota, T. A1 - Uchino, O. T1 - CO2 column-averaged volume mixing ratio derived over Tsukuba from measurements by commercial airlines JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 10 IS - 2 SP - 3401 EP - 3421 Y1 - 2010/02/09 PB - Copernicus Publications SN - 1680-7375 UR - http://www.atmos-chem-phys-discuss.net/10/3401/2010/ L1 - http://www.atmos-chem-phys-discuss.net/10/3401/2010/acpd-10-3401-2010.pdf DO - 10.5194/acpd-10-3401-2010 ER -