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Simulation of flood disaster by use of breadth-first-search algorithm integrated with GIS

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4 Author(s)
Baoxia Cui ; Lab. of Syst. Eng., Shenyang Univ. of Technol., China ; Hongyan Gao ; Chuanjin Zuo ; Xinhe Xu

The prediction of inundated area helps to reduce flood-disaster damage efficiently by simulating the flood-spreading procedure. The principle and method of flood-spreading simulation were discussed. The needed surface-elevation model was built automatically from existing feature data by use of GIS. The models to simulate floodwater washing and floodwater storing were built using breadth-first-search algorithm. The detailed procedures were provided. The Hengren County of Liaoning Province was used as the study-area as an example. A flood was simulated with the Hengren Reservoir as the main floodwater source. The spatial analysis of GIS was used to predict and analyze the results. The simulating method provides supporting-decisions information for flood-disaster-defending department and base data for flood-disaster-evaluating department.

Published in:

Intelligent Control and Automation, 2004. WCICA 2004. Fifth World Congress on  (Volume:6 )

Date of Conference:

15-19 June 2004