| 华东稻田CH4和N2O排放 |
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| 引用本文： | 郑循华,王明星,王跃思,沈壬兴,上官行健,M. Kogge,J. Heyer,H. Papen,金继生,李老土.华东稻田CH4和N2O排放[J].大气科学,1997,21(2):231-237. |
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| 作者姓名： | 郑循华 王明星 王跃思 沈壬兴 上官行健 M. Kogge J. Heyer H. Papen 金继生 李老土 |
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| 作者单位： | 1.中国科学院大气物理研究所,北京 100029 |
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| 基金项目： | N2O 观测研究曾得到大气边界层物理和大气化学国家重点实验室的部分资助 |
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| 摘 要： | 稻田CH4和N2O排放的季节变化规律完全不同，两者的排放通量随土壤水分条件变化而互为消长，但它们的日变化形式则比较一致。晴天时的CH4和N2O排放日变化规律明显，主要表现为下午单峰模态，有时CH4排放夜间出现一个次峰。CH4和N2O排放总量因肥料类型而不同，堆肥加尿素处理比NH4HCO3处理少排放N2O 30%，多排放CH4 12%。
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| 关 键 词： | CH4排放 N2O排放 稻田 |
CH4 and N2O Emissions from Rice Paddy Fields in Southeast China |
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| Zheng Xunhu,Wang Mingxing,Wang Yuesi,Shen Renxing,Shangguan Xingjian,M. Kogge,J. Heyer,H. Papen,Jin Jisheng and Li Laotu.CH4 and N2O Emissions from Rice Paddy Fields in Southeast China[J].Chinese Journal of Atmospheric Sciences,1997,21(2):231-237. |
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| Authors: | Zheng Xunhu Wang Mingxing Wang Yuesi Shen Renxing Shangguan Xingjian M Kogge J Heyer H Papen Jin Jisheng and Li Laotu |
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| Abstract: | The seasonal variations of CH 4 and N 2O emission from rice fields are completely different. The N 2O emission intensively increases while CH 4 emission decreases because of drainage. However, their patterns of diurnal variations are similar. The maximum emissions of both gases usually occur in the afternoon on clear days. Sometimes, another smaller peak of CH 4 emission could be observed during the night. Significant effects of fertilizer application on N 2O and CH 4 emissions were also detected. |
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| Keywords: | CH 4 emission N 2O emission rice paddy fields |
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