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我国水资源严重短缺我国水资源总量约为2.8万亿立方米,人均不足2220立方米,约为世界人均水平的四分之一。新中国成立以来,全国用水总量从1949年的1000多亿立方米增加到2002年的5335亿立方米。其中农业用水占68.3%,工业用水占20.8%,生活用水占10.9%。预测我国用水高峰将在2030年前后出现,届时人口约16亿,人均水资源量降到1760立方米,接近国际上一般承认的人均1700立方米的用水紧张线;用水总量为7000—8000亿立方米,而全国实际可利用的水资源量约为8000—9500亿立方米,需水量已接近可利用水量的极限。不言而喻,我国未来水资
China has a serious shortage of water resources China’s total water resources is about 2.8 trillion cubic meters, less than 2,220 cubic meters per capita, about one quarter of the world average. Since the founding of New China, the total amount of water used in the country has increased from over 1,000 billion cubic meters in 1949 to 533.5 billion cubic meters in 2002. Among them, agricultural water accounts for 68.3%, industrial water accounts for 20.8% and domestic water accounts for 10.9%. It is estimated that the peak of water use in China will occur around 2030, with a population of about 1.6 billion and a decrease of 1760 cubic meters of water resources per capita, close to the internationally accepted water consumption per capita of 1,700 cubic meters; the total amount of water used is 7000-800 billion Cubic meters, while the actual amount of water available in the country is about 8000-9500 billion cubic meters, and the water demand is close to the limit of available water. It goes without saying that China’s future water