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桓仁流域汛期旬径流预报方法研究

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Indexed by: Journal Article

Date of Publication: 2012-12-25

Journal: 水文

Included Journals: CSCD、ISTIC、PKU

Volume: 32

Issue: 6

Page Number: 52-55,27

ISSN: 1000-0852

Key Words: 桓仁流域;旬径流预报;变预报因子;多元线性回归

Abstract: 以桓仁流域为例,分析了我国北方流域汛期各旬不同的来水特点,对以往采用不变预报因子的旬径流预报方法进行了改进.汛期各旬挑选变预报因子,结合多元线性回归方法构建旬径流预报模型.计算结果表明,基于变预报因子的旬径流预报模型,更能反映流域旬径流变化规律,且比不变预报因子的预报精度高,预报效果更理想.

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