水量 :黄河多年平均年径流量 580亿 m3 ,相当于全国河川径流量的 2 %。承担全国 1 5%的耕地、1 2 %人口、50座大中城市的供水任务。黄河流域缺水预测 :正常来水年份情况下 ,2 0 1 0年黄河流域缺水 40亿 m3 ;2 0 30年缺水 1 1 0亿 m3 ;2 0 50年缺水 1 60亿 m3 左右 ,枯水年份缺 Water: The annual average annual runoff of the Yellow River is 58 billion m3, equivalent to 2% of the national runoff. Commitment to 15% of the country’s arable land, 12% of the population, 50 large and medium-sized cities in the water supply task. Water shortage prediction in the Yellow River Basin: In normal years of water supply, the deficit of 4 billion m3 in the Yellow River Basin in 2001, 11 billion m3 in water shortage in 30 years, 16 billion m3 in 2005, Lack of dry years