区域平均雨量估算对径流模拟精度影响问题的研究Study on Precision Problem of Runoff Simulation in Regional Rainfall Calculation
钟炜,冯平,李建柱
摘要(Abstract)：
较大流域的降水通常具有时空分布不均匀的特点,往往在雨量站较少情况下采用测站范围以内的降水量均化值对径流进行模拟精确偏低。本文分别采用分块法、单元格点法以及DEM法计算区域平均降雨量,并在此基础上建立潘家口水库来流预测模型。比较模型的模拟结果发现,以DEM法计算区域平均雨量值作为预测模型的输入所模拟的效果优于另外两种区域平均雨量计算方法,且预测结果令人满意。
关键词(KeyWords)： 区域平均雨量;数字高程模型(DEM);遗传算法;径流预测;参数优选
基金项目(Foundation):
作者(Author): 钟炜,冯平,李建柱
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