Long-term observations of CFC-11, CFC-12, HCFC-22, HCFC-142b, HFC-23, and HFC-134a from ground-based FTIR at Syowa Station, Antarctica, Rikubetsu, and Tsukuba, Japan since 1995


Hideaki Nakajima1, Masanori Takeda2, Isao Murata2, Tomoo Nagahama3 and Isamu Morino4, (1)NIES National Institute of Environmental Studies, Ibaraki, Japan, (2)Tohoku University, Graduate School of Environmental Studies, Sendai, Japan, (3)Nagoya Univ, Nagoya, Japan, (4)National Institute for Environmental Studies, Tsukuba, Japan