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三峡水利枢纽规模宏大,举世瞩目,是开发治理长江的骨干工程。主要开发目标是保护中下游地区免受洪水灾害,向华中、华东及川东地区提供大量清洁能源,改善川江航运。水库蓄水后还可发展渔业和旅游业,保护长江中游湿地,有利于南水北调。三峡水库总库容393亿m3,防洪库容221.5亿m3,
The grand scale of the Three Gorges Project, which has attracted worldwide attention, is a key project for the development and management of the Yangtze River. The main development goal is to protect the middle and lower reaches of the flood-hit areas and to provide a large amount of clean energy to the central, eastern and eastern regions to improve the shipping in the river. After the impoundment of the reservoir, fishery and tourism may also be developed to protect the wetland in the middle reaches of the Yangtze River, which is in favor of the South-to-North Water Diversion Project. The Three Gorges Reservoir has a total storage capacity of 39.3 billion m3, flood control storage capacity of 22.25 billion m3,