Vertical Profiles and Temporal Variations of Greenhouse Gases in the Stratosphere over Syowa Station, Antarctica - Daisuke Goto; Shinji Morimoto; Shuji Aoki; Satoshi Sugawara; Shigeyuki Ishidoya; Yoichi Inai; Sakae Toyoda; Hideyuki Honda; Gen Hashida; Takashi Yamanouchi; Takakiyo Nakazawa (2018)