| 土壤有机质矿化与温室气体释放初探 |
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| 引用本文： | 单正军,蔡道基,任阵海.土壤有机质矿化与温室气体释放初探[J].环境科学学报,1996(2). |
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| 作者姓名： | 单正军 蔡道基 任阵海 |
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| 作者单位： | 中国环境科学院，国家环保局南京环境科学研究所 |
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| 摘 要： | 通过土壤有机质的矿化作用，模拟估算温室气体在中国土壤中的释放量，结果表明，ＣＯ_２从土壤中的释放量为３７．５亿ｔ／ａ，ＣＨ_４从稻田中的释放量为０．２０亿ｔ／ａ，Ｎ_２Ｏ从稻田中的释放量为３．４５万ｔ／ａ。对土壤中温室气体释放估算提供了一种简便方法。由于掌握资料不足，准确估算需进一步研究。
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| 关 键 词： | 土壤有机质 矿化 温室气体 释放 |
A PRELIMINARY ASSESSMENT OF CO_2, CH_4 AND N_2O EMISSlON FROM SOILS IN CHINA |
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| Shan Zhengjun,Cai Daoji.A PRELIMINARY ASSESSMENT OF CO_2, CH_4 AND N_2O EMISSlON FROM SOILS IN CHINA[J].Acta Scientiae Circumstantiae,1996(2). |
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| Authors: | Shan Zhengjun Cai Daoji |
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| Abstract: | Greenhouse gases emission from soils in China was assessed based on the mineralization rate of soil organic matter. It was estimated that 3. 75 billion tones of CO_2 from soils and 20 million tones of methane and 34500 tones of N_2O from paddy soils in China were emitted into atmosphere every year. The assessment provides a simple method for assessing greenhouse gases emission from soils. Because of the limitation of data available further studies should be taken for more reliable estimation. |
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| Keywords: | soil organic matter mineralization greenhouse emission |
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