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福建省九龙江北溪引水工程拦河闸枢纽位于龙海市,流域面积9640平方公里,多年平均流量近100亿立方米.北溪引水工程于1972年4月动工兴建,1980年5月送水至厦门.主要工程由南北港拦河闸和三条引水干渠组成,引水流量为40秒立方米.入厦门市境内流量为12秒立方米,占特区供水总量的85%,引水工程还担负着漳州市、龙海市港尾、角美开发区的工业和生活用水,使龙海和厦门市郊41.4万亩农田得到保证灌溉,有力地促进闽东南地区社会经济的发展.
The Jiulong River Beixi Water Diversion Project Barrier Gate Hub in Fujian Province is located in Longhai City, with an area of 9,640 square kilometers and an average flow rate of nearly 10 billion cubic meters for many years. The Beixi Water Diversion Project started construction in April 1972 and was delivered to Xiamen in May 1980 The main project by the North and South Harbor Barrier and three diversion main canal, water diversion flow of 40 seconds cubic meters into Xiamen City, the internal flow of 12 seconds cubic meters, accounting for 85% of the total water supply in the SAR, the diversion project is also responsible for Zhangzhou , Industrial and domestic water supply in Hong Kong and Tung Mei Development Zone in Longhai, Hong Kong and the United States, and 414,000 mu of farmland in the Longhai and Xiamen suburbs were guaranteed irrigation and effectively promoted the social and economic development in southern Fujian.