变糙率水力学模型在长江上游洪水预报中的应用初探

Express Water Resources & Hydropower Information(2017)

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Abstract
针对常糙率水力学模型在实际洪水预报中存在的局限性,提出了变糙率水力学模型.以嘉陵江某典型河段为例,对常糙率和变糙率两种水力学模型在洪水预报中的应用进行了模拟计算与分析比较.结果表明,变糙率模型的参数取值更为合理,对长江上游水文预报、河道防洪等具有较大的参考意义与实用价值.
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