RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN >> 2013, Vol. 22 >> Issue (11): 1363-.

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EARLYWARNING AND DYNAMIC SIMULATION OF RIVER SUDDEN WATER POLLUTION ACCIDENT——A CASE STUDY IN WUHAN SECTION OF THE CHANGJIANG RIVER

ZHANG Chutian1,YANG Yong1,YANG Zhonghua2,HUANG Feng3   

  1. (1.College of Resources and Environment,Huazhong Agricultural University,Wuhan 430070,China|2.State Key Laboratory of Water Resources and Hydropower Engineering Science,Wuhan University,Wuhan 430072,China|3.Wuhan Environmental Protection Sciences Research Institute,Wuhan 430015,China
  • Online:2013-10-20

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Abstract:

In recent years,the frequent occurrence of sudden water pollution accident poses a great threat to the safety of the water source area,therefore it is more and more important to make early warning and simulation and rapid response to the accident.Against the characteristic of sudden water pollution,based on the visualization capability of GIS,it made the spatial discretization by orthogonal curved mesh,and integrated GIS and the horizontal twodimensional instantaneous discharge water quality model,to achieve dynamic simulation and water source area pollutant concentration excessive warning of sudden water pollution accident.The results showed that it forecasted the spatiotemporal migration status of the pollution zone formed by the sudden accident emission in the Changjiang River effectively,and provided a powerful support for environmental protection and treatment of sudden water pollution accident in Wuhan section of the Changjiang River

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