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人类对水资源的需求日益增长。上个世纪以来,全世界淡水用水量增长了8倍,其中农业用水增长了7倍,城市用水增长了12倍。我国是一个严重缺水的国家,水资源短缺已成为制约我国经济发展、影响人民生活的一个重要因素,水荒的警钟在中华大地上敲响。大庆市的水资源也比较匮乏,城市水资源总量2.3亿立方米,人均占有量仅为215立方米,(目前国际上公认的水资源紧缺标准为:人均占有量在1000~1700立方米为紧张,
Human needs for water resources are increasing. Since the last century, freshwater use has increased by 8 times in the world, of which water for agriculture has increased by 7 times and water for urban use has increased by 12 times. China is a country that is seriously short of water. The shortage of water resources has become an important factor constraining China’s economic development and affecting people’s lives. The alarm bell of the water shortage is ringing in the land of China. Daqing’s water resources are also scarce. The total amount of urban water resources is 230 million cubic meters, and the per capita occupancy is only 215 cubic meters. (At present, the internationally recognized water shortage standard is: the per capita occupancy is between 1,000 and 1,700 cubic meters. tension,