基于MIKE FLOOD的荆江分洪区洪水演进数值模拟

发布时间：2018-04-07 15:06

本文选题：荆江分洪区　切入点：MIKE　出处：《应用基础与工程科学学报》2017年05期

【摘要】：以荆江分洪区为研究对象,依据长江荆江河段水文气象条件,运用MIKE FLOOD建立了长江枝城-监利河段一维河网模型、荆江分洪区二维水动力学模型以及河网与分洪区一、二维耦合计算模型,模拟了不同频率设计洪水条件下分洪区因堤防溃决而被动分洪的情形,分析了数种风险要素及可能遭灾的地区及受灾程度.结果表明,模型能较好模拟荆江分洪区内洪水演进过程,能较好地预测洪水致灾情况并指出危险区域,可为荆江分洪区的洪水风险管理和避洪转移工作提供科学依据.
[Abstract]:Taking the Jingjiang flood diversion area as the research object, according to the hydrological and meteorological conditions of the Jingjiang reach of the Yangtze River, using MIKE FLOOD, the one-dimensional river network model of the Zhicheng-Jianli reach of the Yangtze River, the two-dimensional hydrodynamic model of the Jingjiang flood diversion area and the first of the river network and flood diversion area are established.The two dimensional coupled calculation model is used to simulate the passive flood diversion in flood diversion area due to embankment collapse under different frequency design flood conditions. Several risk factors, possible disaster areas and the degree of disaster are analyzed.The results show that the model can well simulate the flood routing process in Jingjiang flood diversion area, predict the flood disaster and point out the dangerous area, and provide scientific basis for flood risk management and flood evasion in Jingjiang flood diversion area.
【作者单位】：华中科技大学水电与数字化工程学院;数字流域科学与技术湖北省重点实验室;湖北省防汛抗旱办公室;湖北省水利水电规划勘测设计院;
【基金】：国家自然科学基金重点项目(91547208,51239004);国家自然科学基金面上项目(51579107)
【分类号】：TV122;TV872

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