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海南岛是我国第二大岛，自然条件优越，资源丰富，经济发展潜力大．但由于海岛孤悬海上，与大陆无任何水源联系，岛上的所有生物和社会经济发展所需的水只能靠当地降水．虽然降水资源丰沛，但时空分配很不均匀，干湿季分明，长达半年的旱季降水很少，再加上目前缺少必要的水利工程进行调蓄，大部分地表径流白白流入大海，可利用水资源不多，致使当前城市生活和农业用水较为紧张。为改变这种局面和满足未来需水要求，从现在开始，必须加快进行水利建设。拦蓄水量，为全社会提供更多的水资源。展望未来，水资源开发前景是十分诱人的。单从水源条件的保证性分析，２０１０年以后工业产值可翻一番，城市人口可增至７００万人。
Hainan Island is the second largest island in China with superior natural conditions, abundant resources and great potential for economic development. However, as the island is lonely by the sea, it has no water connection with the mainland and all the biological and socio-economic development on the island can only rely on local precipitation. Although abundant precipitation resources, but very uneven distribution of time and space, clear wet and dry season, up to six months of dry precipitation in the few seasons, coupled with the lack of necessary water conservancy projects for storage, most of the surface runoff in vain into the sea, water can be used Due to limited resources, the current urban life and agricultural water use are relatively tight. In order to change this situation and meet the water demand in the future, from now on, we must accelerate water conservancy construction. Barrage water for the whole society to provide more water resources. Looking to the future, the prospect of water resources development is very attractive. According to the assurance analysis of water source conditions, after 2010, the industrial output value will double, and the urban population will increase to 7 million.