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Atmospheric Chemistry and Physics Discussions 16(14) 9149-9161 2016年 [査読有り]
Extremely high levels of column-averaged dry-air mole fractions of atmospheric methane (XCH4) were detected in August and September 2013 over northeast Asia (similar to 20 ppb above the averaged summertime XCH4 over 2009-2012, after removing a lon...