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我国是一个缺水的国家,年 水资源总量约为28000亿 立方米,人均不足2400立方米,仅为世界平均水平的1/4。沿海地区虽然只有国土面积的13％。但却居住着全国40％的人口,提供60％以上的国民生产总值。这一地区由于人口稠密,经济发达,水资源供需矛盾尤为突出。大部分沿海城市人均水资源量低于500立方米,其中天津、上海、大连、青岛、连云港等城市甚至在200立方米以下。充分发挥这类地区濒临海洋的优势,走海水淡化之路,是解决缺水问题的一条重要途径。
Our country is a water-scarce country. The total annual water resources amount to about 2.8 trillion cubic meters and the per capita population is less than 2,400 cubic meters, only 1/4 of the world average. Although the coastal area only 13% of land area. But it lives in 40% of the country’s population, providing more than 60% of the gross national product. Due to the densely populated and economically developed areas, the contradiction between supply and demand of water resources is particularly prominent in this area. Most coastal cities have per capita water resources less than 500 cubic meters, of which Tianjin, Shanghai, Dalian, Qingdao and Lianyungang even have less than 200 cubic meters of water. Give full play to the advantages of such areas on the verge of the ocean, take the sea desalination road, is an important way to solve the problem of water shortage.