举世瞩目的长江三峡大坝工程正如火如荼地进行,其建成后正常水位为175米。重庆处于库区,大坝建成后由于两江流速的下降,长江和嘉陵江的自净能力将降低,这对重庆市的水环境将造成严重的影响。为解决重庆市主城区水污染日益突出的问题,国内外专 The Three Gorges Dam Project, which has attracted worldwide attention, is in full swing and has a normal water level of 175 meters after its completion. Chongqing is in the reservoir area. After the dam is completed, the self-purification capacity of the Yangtze River and the Jialing River will be reduced due to the decrease of the flow velocities of the two rivers, which will have a serious impact on the water environment in Chongqing. In order to solve the increasingly prominent problem of water pollution in the main city of Chongqing, both at home and abroad