| 复杂山区小流域径流模拟影响因素分析 |
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| 引用本文： | 冷佩,宋小宁,李新辉. 复杂山区小流域径流模拟影响因素分析[J]. 水文, 2010, 30(6) |
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| 作者姓名： | 冷佩 宋小宁 李新辉 |
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| 作者单位： | 中国科学院研究生院资源与环境学院; |
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| 基金项目： | 国家对欧盟科技合作专项，中国科学院知识创新工程重要方向项目，中国科学院研究生院院长基金 |
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| 摘 要： | 为探讨子流域划分与DEM分辨率对于地形和地表状况比较复杂的山区小流域径流模拟的影响,利用分布式水文模型SWAT(Soil and Water Assessment Tool)对复杂山区小流域进行径流模拟,从不同的子流域划分条件下分析了子流域划分对径流模拟的影响及其变化趋势.然后通过对原有的DEM(Digital Elevation Model)进行重采样生成不同格网大小的DEM作为模型输入,研究不同DEM分辨率对复杂山区小流域径流模拟的影响.研究表明:(1)存在一个比较合理的子流域划分方案使径流深比较稳定;(2)存在一个合适的DEM分辨率使模拟得到的径流深比较稳定;(3)山区复杂流域环境,要求更加精细的子流域划分才能获得(1)中的稳定径流深.
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| 关 键 词： | 复杂山区 径流模拟 子流域划分 DEM分辨率 SWAT模型 |
Analysis of Influencing Factors in Runoff Simulation for Complicated Mountain Area |
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| LENG Pei,SONG Xiao-ning,LI Xin-hui. Analysis of Influencing Factors in Runoff Simulation for Complicated Mountain Area[J]. Hydrology, 2010, 30(6) |
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| Authors: | LENG Pei SONG Xiao-ning LI Xin-hui |
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| Affiliation: | LENG Pei,SONG Xiao-ning,LI Xin-hui(College of Resources and Environment,Graduate School of Chinese Academy of Sciences,Beijing 100049,China) |
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| Abstract: | In order to discuss the influence of sub-watershed division and DEM solution on the runoff simulation for the complicated mountain areas,SWAT(Soil and Water Assessment Tool) model was used to simulate the runoff.7 kinds of sub-watershed division schemes were chosen to analyze the influence of sub-water division on the runoff simulation,and then the initial DEM was resampled into 6 different grids for the DEM solution.The results show that a stable runoff value exists since the runoff value change little whe... |
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| Keywords: | complicated mountain area runoff simulation division of sub-watershed DEM resolution SWAT model |
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