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冰川冻土  2012 

西北地区某干旱河流设计情景下的年径流量预测分析

, PP. 1236-1240

Keywords: 径流量,预测,精河流域,跨流域调水

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Abstract:

人类活动和气候变化对流域水文水资源的影响及由此所带来的社会、经济和生态效应,使得新疆精河流域出现了严重的水资源短缺和生态危机.为此,实施跨流域调水是解决艾比湖流域生态环境保护的必要措施,精河上游支流是跨流域引入外水的唯一捷径河流.根据前期研究计算的年径流量系列,在经过论证的流域现状水平(Cv=0.12,Cs/Cv=2.00)的基础上,采用水文频率分析方法,设计并预测了流域规划的近期和远期目标情景下的年径流量情势.结果显示为了使保证率p=75%,近期目标要求流域的输水量为8.62×108m3,远期目标为14.39×108m3.跨流域调水可以满足流域多方面的实际用水需求.

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