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Study on A Computational Method of District Runoff Ⅰ-Algorithm Design
Authors
吴喆
姚志宏
崔琰
杨勤科
Publication date
1 January 2006
Publisher
Abstract
径流是区域水土流失的基础。基于已有试验研究和观测数据,结合GIS空间分析功能,初步提出了区域径流计算的基本思路,并对降雨径流产生的各个环节做出了算法设计,考虑的过程包括降水、植被截留、入渗、微地形存储、地表径流等。基于DEM将流域划分为规则网格并以此为基本计算单元,将月降水过程划分为若干时段作为计算迭代的基本单元,本算法可以计算出区域内每一网格单元任一时段末的地表径流量,为进一步建立区域水土流失模型奠定了基础
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Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources
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Last time updated on 21/09/2018