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本文以目前国内外普遍关注的全球变化（ＧｌｏｂｅＣｈａｎｇｅ）为背景，利用地理信息系统（ＧＩＳ）为技术手段，从林冠截留、枯落物蓄水、林地土壤拦蓄这三个森林水文生态功能最主要的层次出发，模拟分析了气候变化前后我国森林降水截留功能地理分布规律的差异。２０３０年中国气候变化的未来情景依据７个ＧＣＭ大气环流模型的预测结果，选用树冠降水截留模型和森林综合截留模型，在ＩＤＲＩＳＩ地理信息系统的支持下模拟气候变化对我国森林降水截留规律的可能影响。
Based on GlobeChange, which is commonly concerned at home and abroad, using the geographic information system (GIS) as a technological measure, the most important ecological and hydrological functions of the three forest forests, including canopy interception, litter storage and forest soil interception, Based on the analysis of the differences in the geographical distribution of precipitation in China before and after climate change, Future scenarios of climate change in China in 2030 Based on the prediction results of seven GCM GCM models, we selected the model of interception of precipitation from the canopy and the integrated model of forest integrative. With the support of IDRISI GIS, the possible influence of climate change on the law of interception of forest precipitation in China .