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ENVIROMENTAL PROTECTION MEASURES FOR XIANGJIABA HYDROPOWERPROJECT

机译：项家坝水电工程的环境保护措施。

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摘要

Xiangjiangba HPP is located at the outlet of the lower reaches of the Jinsha River. Its reservoir willrnhave a normal pool level of 380.00m and a total storage of 5.163×109m3. The Project will have a totalrninstalled capacity of 6000MW and a mean annual output of 30.747×109 kW.h. At the same time of carryingrnout reconnaissance and design of the said project, MSDI has organized more than 40 units to carry outrnenvironmental impact assessment for the project for 15 years, according to the provisions of Chinese laws andrnregulations on environmental protection.rnThe paper presents the main environmental impacts of the project and protection measures. The assessmentrnconcludes that Xiangjiaba HPP would have significant economic benefits and social benefits, while it wouldrnalso bring about a series of adverse environmental impacts. The major adverse impacts would be: (1) impactsrnon fishes caused by submergence of spawning grounds, interception of migratory passageway by the dam,rnand change of hydrological regime; (2) environmental impacts of project construction; (3) environmentalrnimpacts of reservoir inundation and relocation of towns and production development and living arrangementrnof rural relocatees arising therefrom; and (4) environmental impacts of atomization due to the flood release.rnTo minimize the adverse impacts on environment, such environmental protection countermeasures have beenrnproposed to be taken as setup of natural reserves, artificial propagation and release, sewage disposal, noisernprotection, and energy dissipation by hydraulic jump.
机译：香江坝HPP位于金沙江下游。其水库正常水位为380.00m，总储水量为5.163×109m3。该项目的总装机容量为6000MW，年平均产量为30.747×109kW.h。在进行该项目的勘察和设计的同时，MSDI根据中国法律和环境保护法规的规定，组织了40多个单位对该项目进行了15年的环境影响评估。本文介绍了主要内容项目对环境的影响及保护措施。评估结论认为，向家坝HPP将带来显着的经济效益和社会效益，同时还会带来一系列不利的环境影响。主要的不利影响将是：（1）由于产卵场的淹没，大坝对迁徙通道的拦截，水文状况的变化而引起的鱼类r游； （2）项目建设的环境影响； （三）水库淹没和城镇搬迁及其生产发展和居住安排对农村移民的环境影响；为了最大程度地减少对环境的不利影响，提议采取这样的环境保护对策：自然保护区的建立，人工繁殖和释放，污水处理，噪声保护和能量消散。通过液压跳跃。

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