Emission Flux and Carbon Isotopic Composition of Methane from Rice Paddies in Guizhou Province

被引：0
|
作者：
李金华
曹景蓉
洪业汤
朱泳煊
机构：
来源：
Acta Geochimica | 1997年 / 03期
关键词：
methane; rice paddy; emission flux; carbon isotopic composition; global change; Guizhou Province;
D O I：
暂无
中图分类号：
P618.13 [石油、天然气];
学科分类号：
0709 ; 081803 ;
摘要：
Methane emission flux from rice paddies in Guizhou Province shows obvious three-stage diurnal variations: it is relatively low from the morning to the noon, then successively in-creases in the afternoon and at night, and finally folows a gradual decrease. Theδ13C values oftrace methane emitted from rice paddies in Guizhou Province range from-64. 5‰. to - 54.1‰ with an average of - 60. 7‰, very close to the reported values from America or Kenya.
引用
收藏
页码：283 / 288
页数：6
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