基于水文水动力耦合模型的洪水淹没模拟

被引：13

作者：

余富强 ^{[1
]}

鱼京善 ^{[1
]}

蒋卫威 ^{[1
]}

黄秋森 ^{[1
]}

姚晓磊 ^{[2
]}

机构：

[1] 北京师范大学水科学研究院城市水循环与海绵城市技术北京市重点实验室

[2] 中科宇图科技股份有限公司

来源：

南水北调与水利科技 | 2019年 / 17卷 / 05期

基金：

国家重点研发计划;

关键词：

水文模型; 二维水动力模型; 水文水动力模型耦合; 城市洪水模拟; 洪水淹没图; 达最大水深时间图;

D O I：

10.13476/j.cnki.nsbdqk.2019.0107

中图分类号：

TV122 [洪水]; P334.92 [];

学科分类号：

摘要：

中国中小流域地区洪水灾害频发,探究新型城市雨洪模型是当下的研究热点。通过耦合水文模型与二维水动力模型的方法,使得在模拟城市下垫面洪水淹没情况的同时,又能使模拟达到较快的运算速度。以泉州市梅溪流域为例,探究耦合模型在中国中小流域范围应用的可行性。结果表明,耦合模型模拟水量平衡误差极小,淹没水深结果与验证值吻合较好。根据对淹没水深图与达最大水深时间图的分析,得到区域范围洪水的空间分布及时间分布,可为中小流域洪水治理提供决策支持。但中小流域水文数据匮乏一定程度上限制了模型的可靠性。

引用

页码：37 / 43

页数：7

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