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湖泊科学  2008 

基于BTOPMC模型的土地覆被变化径流响应模拟

DOI: 10.18307/2008.0415

Keywords: 土地覆被,水文模拟,BTOPMC模型

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Abstract:

为分析土地覆被变化的水文效应,构建4种土地覆被情景,采用BTOPMC模型对淮河流域黄泥庄集水区1982-1986年的日径流过程进行模拟.结果表明,土地覆被变化对蒸散发量和径流量计算影响显著,与现状覆被情景的模拟结果相比,森林覆被情景蒸散发量增加,径流量减少,而林地草原和耕地覆被情景下情况相反,且各土地覆被变化情景下枯季径流深的变化幅度明显小于雨季的变化幅度.该模型能较好地分析和评价土地覆被变化下的径流响应.

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