PRECISE MEASUREMENTS OF ATMOSPHERIC METHANE CONCENTRATION AT SYOWA STATION (69°00'S, 39°35'E), ANTARCTICA

元データ 国立極地研究所

概要

Precise measurements of atmospheric CH_4 concentration was initiated at Syowa Station in February 1988. A regular diurnal variation is not observable but irregular variations are sometimes observed with extremely small amplitude of 5 ppbv at most. A seasonal variation is clearly seen with the amplitude of 30 ppbv. Annual mean values of CH_4 concentration are 1640 and 1651 ppbv for 1988 and 1989,respectively.

著者

張 紀久夫 阪大基:福井工大工
Kawaguchi Sadao Nagaoka National College Of Technology
Morimoto S National Institute Of Polar Research Organization Of Information And Systems
Nakazawa Takakiyo Center for Atmospheric and Oceanic Studies, Tohoku University
KAWAGUCHI Sadao National Institute of Polar Research
AOKI Shuhji National Institute of Polar Research
MURAYAMA Shohei Center for Atmospheric and Oceanic Studies, Faculty of Science, Tohoku University
Morimoto S National Inst. Polar Res. Tokyo Jpn
Aoki S Center For Atmospheric And Oceanic Studies Graduate School Of Science Tohoku University
Aoki Shuhji Faculty Of Science Tohoku University
Mae S National Institute Of Polar Research Research Organization Of Information And Systems
Mae Shinji Department Of Applied Physics Hokkaido University
Nakazawa Takakiyo Center For Atmospheric And Oceanic Studies Faculty Of Science
Murayama Shohei Center For Atmospheric And Oceanic Studies Tohoku University
Shinbori K Hokkaido Univ. Sapporo
Kawaguchi Sadao Nagoya University
Mae Shinji National Institute For Resources And Environment
Shinbori K Nagaoka National College Of Technology

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