Abstract
本文计算了洪湖东分洪区洪灾损失.洪水风险带以模拟的洪水淹没深度表示.这是洪水风险综合评价模型的基础.本项研究基于GIS为基础的水动力模型计算洪水淹没深度;并以GIS/RS为基础建立了单位洪水风险评价模型,计算不同洪水风险带的直接损失.研究表明,综合洪水风险评价模型在长江流域应用是可行的.;A first case study for the estimation of flood damages in the eastern Honghu flood diversion area is presented in this paper. The results display flood risk zones based on simulated estimation depths. They are the basis for an integrated model for flood damage estimation which combines a GIS-based hydrodynamic model for flood depth estimation with flow propagation and a GIS-, and RS-based unit flood damage model with different tangibles of flood damages. Hereby, the integrated flood damage estimation model proofs to be applicable at the Yangtze River.
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