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密云水库入库径流变化趋势及动因分析
Authors
刘宝勤
吕爱锋
姚治君
高迎春
Publication date
Publisher
Abstract
运用回归分析和多种曲线拟合方法,对密云水库近几十年来的入库径流时间系列进行了分析,结果表明,入库径流总体上呈指数减少趋势,洪峰流量从绝对流量和所占比例两个方面都有大幅度的减少,而且洪水减少程度高于一般径流减少程度。同时,变化过程中表现出明显的阶段性。分析认为,气候变化对入库径流减少的影响较小,而流域内人口的增加和土地利用变化是入库径流减少的主要驱动因子
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Institutional Repository of Institute of Geographic Sciences and Natural Resources Research, CAS
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Last time updated on 29/11/2016