Abstract
Liaohe river basin mountain torrent disaster serious, this paper tells a system of flood loss assessment which would be helpful for the decrease of the geologic disastrous loss. Firstly, it mainly analyzes four uncertainties aspects of flood loss: precision of prediction and simulation, accounting standard of asset, asset vulnerability and flood prevention ability. Secondly, EasyDHM has been selected for forecast flood, the simulation forecast time is 6h before real flood peak coming; flood inundation model is selected for flood submerged level information extracted and flood submerged map. In the end, the model of flood Lose calculation is used to calculation the loss by the extracted information from stacking social economic data and water data. The feasibility of flood loss assessment system has been proved by flood simulation in 1998, 2003 and 2005. The unified assessment criteria make the assessment result difference, but this system of flood loss assessment has some value in system integration.
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