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一、水库淤积的情况本世纪以来,人类为了发展生产、消除水患,在江河上修建了大量的水库,用于防洪、发电、航运、给水等目标。五十年代以后,许多国家加快了开发水资源的步伐。据统计,截止一九七四年底,世界各大洲已建成的库容超过一亿立米的水库达1942座,总库容为40525亿立米。新中国建立以来,水库建设速度很快,到一九七八年底,已建成的各类水库有
First, the situation of reservoir siltation Since this century, human beings in order to develop production and eliminate flooding, built a large number of reservoirs on the river for flood control, power generation, shipping, water and other goals. Since the 1950s, many countries have accelerated the pace of water resources development. According to statistics, as of the end of 1974, 1,942 reservoirs with a storage capacity of over 100 million cubic meters have been built on all continents and the total storage capacity has reached 4.0525 trillion cubic meters. Since the founding of New China, the construction of reservoirs has been very fast. By the end of 1978, all types of reservoirs that have been completed