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中国的水利建设虽然有几千年的历史传统,但真正大规模的水利工程建设始于新中国。50年来,建坝近9万座,堤防25万余km,极大地支持了我国经济的迅速发展,其成就举世瞩目。但21世纪的中国水利建设需要更新观念,树立大水利概念。1 20世纪水利建设在观念上出现了较大偏差尽管20世纪兴建了大量水利工程,但人与水的关系日趋紧张,表现在洪涝灾害频繁,经济损失逐年增加;北方及沿海地区严重缺水,河道断流;水域污染严重,人畜中毒事故时有发生;水生物种群灭绝速度加快,危及生
Although China’s water conservancy construction has several thousand years of historical tradition, the construction of a truly large-scale water conservancy project started in New China. Over the past 50 years, nearly 90,000 dams have been built and more than 250,000 dikes have been embankment. This has greatly supported the rapid economic development of our country and its achievements have attracted worldwide attention. However, in the 21st century, China’s water conservancy construction needs to update its concept and establish the concept of big water conservancy. In the 20th century, there was a big deviation in the concept of water conservancy construction. Although a large number of water conservancy projects were constructed in the 20th century, the relationship between man and water was becoming increasingly tense. The floods were frequent and the economic losses increased year by year. In the north and the coastal areas, River discontinuities; serious water pollution, human and animal poisoning occur from time to time; extinction of aquatic species speed up, endanger the health