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引用本文:	王玲,谢德体,刘海隆,阳作明. 稻田温度与甲烷排放通量关系的研究[J]. 中国生态农业学报(中英文), 2003, 11(4): 29-31
	WANG Ling,XIE De-Ti,LIU Hai-Long,YANG Zuo-Ming. Study on the relation between paddy field temperature and methane emission flux[J]. Chinese Journal of Eco-Agriculture, 2003, 11(4): 29-31
DOI：	DOI:10.3724/SP.J.1011.year_id].029

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稻田温度与甲烷排放通量关系的研究
王玲¹, 谢德体¹, 刘海隆², 阳作明²
1.西南农业大学资源与环境学院重庆 400716;2.重庆市气象局重庆 400039

摘要: 稻田温度与CH₄排放通量有密切关系，通过灰关联分析发现稻田5cm 深处温度与CH₄排放通量关系最密切，水稻抽穗期CH₄排放通量达极大值，而完熟期CH₄排放通量达极小值。温度对CH₄排放通量的增效应明显，减效应较弱。稻田温度与CH₄排放通量的关系呈s型曲线相关关系。

关键词: 稻田温度甲烷排放通量效应

中图分类号:

基金项目:国家自然科学基金项目(49771073)和中国科学院重点基金项目(K2952-J1-203)共同资助

Study on the relation between paddy field temperature and methane emission flux

WANG Ling¹, XIE De-Ti¹, LIU Hai-Long², YANG Zuo-Ming²

1.College of Resources and Environmental Sciences，Southwest Agricultural University，Chongqing 400716;2.Meteorological Bureau of Chongqing，Chongqing 400039

Abstract: There are consanguineous connections between the paddy field temperature and the methane emision flux．After analyzing four kinds of temperature by gray association，the results show that the paddy field temperature at 5 cm below is the closest one．The methane emision flux attains the max．in the tassel period and attains the min．in the ripe period ．The temperature increasing effect is clearer than the decreasing effect．Finally，the correlativity between paddy field temperature and the methane emision flux submits to the curve of S．

Keyword: Paddy field temperature,Methane emision flux,Efleet