不同面雨量估算方法对水库入流预测模型精度的影响Precision problem of runoff forecast for reservoir by different areal precipitation estimation
徐瑾,钟炜,李建柱
摘要(Abstract):
以潘家口水库入库径流预测为研究对象,分别采用分块法、栅格计算法以及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。结果表明不同的面雨量估算方法对水库入库径流的预测精度具有较大影响。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,且预测结果合理。
关键词(KeyWords): 区域平均雨量;数字高程模型;遗传算法;径流预测;参数优选
基金项目(Foundation): 国家自然科学青年基金项目(71203158);; 教育部人文社科基金项目(12YJC630248)
作者(Author): 徐瑾,钟炜,李建柱
DOI: 10.13928/j.cnki.wrahe.2013.09.004
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