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Updated: Jun 20, 2025

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加强动态洪水风险评估和区域划分,使用合的水文-水力动力学模型和时空信息权重方法

Li Zhou¹, Lingxue Liu²

¹Institute for Disaster Management and Reconstruction, Sichuan University-Hong Kong Polytechnic University, Chengdu, 610065, China; State Key Laboratory of Hydraulics and Mountain River Engineering, College of Water Resource & Hydropower, Sichuan University, Chengdu, 610065, China.

Journal of environmental management

|July 17, 2024

概括

这项研究引入了一种新的合水文-水力动力学模型,用于精确,动态的洪水风险评估. 这种先进的模型提高了预测洪水泛滥和风险区分的准确性,这对于灾害管理至关重要.

科学领域:

水文和水资源水文与水资源
环境建模环境建模
适应气候变化适应气候变化

背景情况:

由于气候变化和人类活动,极端降雨事件的频率和严重程度正在增加.
传统的洪水风险模型缺乏有效评估和区分所需的动态和时空准确性.
现有的方法难以应对大规模洪水模拟和动态风险评估的复杂性.

研究的目的:

开发和验证一种新的合水文-水力动力学模型,用于高精度,大规模的洪水淹没模拟.
创建一个动态的洪水风险评估框架,克服静态和传统权重方法的局限性.
提高洪水风险区分的准确性和及时性,以改善灾害管理.

主要方法:

整合了TOPMODEL (BTOP) 和降雨-流失-洪水 (RRI) 模型的区块智能使用.
为动态评估指标制定和实施全面的垂直-水平组合权重方法.
在中国明河流域的案例研究应用程序,以验证模型性能和风险评估准确性.

主要成果:

BTOP-RRI模型成功地模拟了大型盆地的复杂的流水变化和详细的洪水过程.
新的权重方法提高了动态洪水风险评估的准确性和合理性.
洪水风险评估结果显示,与区域条件保持良好的一致性,准确地识别了沿河道的高风险地区.

结论:

结合的BTOP-RRI模型为动态洪水风险评估和区分提供了一个精确和及时的工具.
综合权重策略为评估洪水风险提供了一个强大的框架,平衡客观和主观因素.
这项研究显著推进了洪水风险评估方法,支持区域洪水控制的科学决策.

关键词:

这是一个BTOP-RRI模型.组合权重的加权.动态洪水划分区域.洪水淹没模拟的洪水模拟

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