Impact of the Yalong-Yellow River water transfer project on the eco-environment in Yalong River basin  

作　　者：WANG LingHe YAN DengHua WANG Hao YIN Jun BAI YinBaoLiGao 

机构地区：[1]School of Hydraulic Engineering,Dalian University of Technology [2]Department of Water Resources,China Institute of Water Resources and Hydropower Research [3]State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin,China Institute of Water Resources and Hydropower Research [4]Department of Hydraulic Research,China Institute of Water Resources and Hydropower Research

出　　处：《Science China(Technological Sciences)》2013年第4期831-842,共12页中国科学（技术科学英文版）

基　　金：supported by the National Natural Science Foundation of China (Grant Nos. 51027006,51109224);the National Key Basic Research Program of China ("973" Program) (Grant No. 2010CB951102);the National Key Project of Scientific and Technical Supporting Program (Grant No. 2006BAB04A08)

摘　　要：The planning Yalong-River water transfer project will transfer 5.65 billion cubic meters water from the Yalong River into the Yellow River per year.The Yalong River will be dramatically impacted hydrologically and ecologically because more than 60% of the runoff will be diverted.An ecohydrological model was used to evaluate the impacts of the project on river corridor and wetland in this study.Schizothorax is a typical plateau river species and was used as the indicator species for assessment of the impact of water transfer project.The model simulated the habitat area of Schizothorax in the reach between the Reba Dam and the Ganzi Hydrology Station on the Yalong River.The Reba Dam,A'an Dam and Renda Dam will be constructed in the Yalong River for enhancing the water level for water diversion into the Yellow River.The velocity,channel width,runoff,and water depth will be reduced due to the water transfer,especially during flood season.The reduction in the velocity,channel width,runoff and water depth will occur mainly in the reach near the three dams and the reduction will be reduced to a minimum level in a distance about 100 km downstream of the dams.The maximum net water loss of Kasha Lake is only 1197200 m3,only 0.3% of runoff flowing into the lake.The project cannot bring adverse effect on the lake.The habitat area of Schizothorax in the Yalong River might be reduced if the water was transferred from the Reba Dam.The habitat area of this species will be reduced more than 40%.

关 键 词：ECO-ENVIRONMENT water transfer project IMPACT physical habitat modeling habitat area Yalong River 

分 类 号：TV68[水利工程—水利水电工程] X820.3[环境科学与工程—环境工程]