RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN >> 2013, Vol. 22 >> Issue (01): 59-.

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WATER QUALITY RISK ASSESSMENT OF DRINKING WATER SOURCE ZONE DISTURBED BY HYDROELECTRIC POWER PROJECTS

SONG Ce1, TAN Qilin2   

  1. (1.Institute of Water Resources and Hydroelectric Engineering,Xi’an University of Technology,Xi’an 710048|China|2.HydroChina Beijing Engineering Corporation|Beijing 100024|China)〖
  • Online:2013-01-20

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Abstract:

The numerical simulation method is applied to predict and assess water quality risk for drinking water sources disturbed by hydroelectric projects,and the objective is to identify the influence of such projects.The case study was a drinking water source within the planned XunYang Reservoir at the upper reach of the Hanjiang River.A 2dimension water flow and water quality model was constructed.The propertied of hydrodynamics and water quality were analyzed,and the worst scenario was used for risk assessment.The hazard of eutrophication was evaluated by the flow and tropic states.The results indicated that,the inlet for drinking water would be under the threat from a nearby tributary (the Yue River) after the construction of the project,and the risk of drinking water pollution would be increased.Required drinking water quality would not be satisfied if the water quality in the tributary did not meet the standards under certain reservoir operation scenarios.However,the tropic level of water would not be significantly influenced by the project.This study could be applied for similar projects for water quality assessment.〖

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