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BTOPMC模型子流域划分层次的研究

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摘要 由TOPMODEL模型发展而来的BTOPMC模型,将流域自动划分为由栅格组成的自然边界子流域,以反映地形、土壤等流域物理特性的空间非均一性,从而能较好地应用于大型流域的水文模拟。以日本富士川流域为研究对象,探讨流域划分程度对洪水径流过程的定量影响。结果表明:较低的子流域划分层次模拟结果较差;随着子流域划分层次的增大,洪峰流量逐渐减小并接近观测值,洪峰时刻无明显影响;当子流域划分到一定层次后,模拟结果趋于稳定。
出处 《人民长江》 北大核心 2009年第3期60-62,共3页 Yangtze River
基金 国家自然科学基金重点项目(50739002) 四川省学术和技术带头人重点项目资金(川人办发[2008]24号)
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参考文献7

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