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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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黄河河源区变化环境下分布式水文模拟
DOI: 10.11821/xb200404010, PP. 565-573
Keywords: 分布式水文模型,黄河河源,情景模拟,变化环境
Abstract:
将黄河河源区划分为38个自然子流域，利用分布式水文模型模拟径流量，采用唐乃亥水文站逐年、月实测径流资料进行验证，得到了较好的模拟效果。文章建立了5种土地覆被情景模型及24组不同气温和降水的情景组合，分别模拟不同情景下的年径流量。模拟结果表明，随着植被覆盖度的增加，流域年径流量减小，蒸发量增加。当气温降低2oC且降水增加20%时，流域径流量增加得最大，增加39.69%。
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