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TEMPORAL VARIATION OF METHANE EMISSION FROM RICE PADDY FIELDS OF GUJARAT

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作者：
GUPTA, M
VERMA, SD
PARASHAR, DC
GUPTA, PK
机构：
来源：
INDIAN JOURNAL OF RADIO & SPACE PHYSICS | 1994年 / 23卷 / 04期
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中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Methane flux studies from the flooded rice paddy fields of Kasindra village in the Ahmedabad district of Gujarat during the monsoon season and the complete vegetation period (Aug.-Nov.) of 1992 were done using a static box technique. The rate of methane emission during this period varied between -0.36 and 27.43 mg m-2 h-1 and gave the integrated flux of 12.0+/-4.0 g m-2. The diurnal methane flux rates show large variation and are in the range 13.6-36.1 mg m-2 h-1 around flowering stage of paddy. The paddy fields when drained were a sink for methane. The total methane released from the Gujarat paddy is estimated to have a mean value of around 0.03+/-0.01 Tg yr-1.
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页码：265 / 268
页数：4
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