农田温室气体排放研究综述
首发时间:2010-03-19
摘要:全球温暖化是当今国际社会普遍关注的全球性问题,其主要原因是由于人类活动向大气中排放过量的二氧化碳(CO2)、甲烷(CH4)和氧化亚氮(N2O)等温室气体而引起的。而农田是CO2、CH4和N2O排放的重要来源,因此研究农田温室气体的排放已成为目前农田环境的热点。本文概述了国内外温室气体排放的研究进展,分析了温室气体排放的影响因素,介绍了温室气体排放的测定方法,最后结合我国农业实际提出了减缓农田温室气体排放的措施。
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Review of Studies on Greenhouse Gases Emissions from Agricultural Land Uses
Abstract:Global warming has become internationally concerned problem because the greenhouse gases such as CO2, CH4 and N2O emissions to the atmosphere due to human activities. The CO2, CH4 and N2O emission from agricultural land uses is one of the major sources of the atmosphere greenhouse gases, so the greenhouse gases emission from the agricultural land uses is a hot topic for agro-ecological environment. The development of greenhouse gas emission domestic and abroad is reviewed, the influential factors for the greenhouse gases emission are analyzed, and the measuring method for greenhouse gases emission is introduced in this paper. Finally, the mitigation measures for agricultural land uses greenhouse gases emission are proposed through analyses of the actual agricultural conditions in China.
Keywords: agricultural land use greenhouse gas carbon dioxide methane nitrous oxide
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