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KMID : 1024520110200030301
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Journal of the Environmental Sciences
2011 Volume.20 No. 3 p.301 ~ p.308
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Observational Study to Estimate the Emission of Methene at Upo-swamp
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Lee Jung-A
Kim Hae-Dong
Lee Bu-Yong
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Abstract
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The temporal variations of methene emission and its relation to air temperature were investigated in Upo-swamp during June 2007 through July 2008. To perform this study, the methene emission and air temperature were observed using the buoy-type chamber and automatic weather observation system(AWS), respectively. The methene emissions were much during summertime(June?August). The maximum value(about 73.4 ㎎/㎡/hr) appeared at August. The emission diminished by degrees after August. The methene emissions were fewer from September to May of the following year. The peak value(73.4 ㎎/㎡/hr) of the methene emission is very much compared to that of rice pappy field known as about 28.7 ㎎/㎡/hr.
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KEYWORD
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Methene emission, Buoy-type chamber, AWS
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