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基于HEC-RAS 2D水动力模型与GIS-MCDA-AHP耦合方法的迪拜极端降雨洪涝灾害 ...
本研究针对迪拜2024年4月极端降雨事件(118.9 mm/24 h),创新性地耦合2D HEC-RAS雨-网耦合模拟与GIS-AHP-MCDA空间分析,构建水文灾害指数(HHI)。结果显示43%城区属高风险区,局部水深达2.5-3.0 m,流速超2.5 m/s。该框架为超干旱城市洪涝风险评估提供了可移植的科学工具 ...
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