Water-Saving Amount Planning of Rivers in the Northwest China

Based on the results of comprehensive water resources planning in the northwest China and considered of current situations of water use efficiency and development of economy and technology,water-saving standards of this region are purposed for different planning years.Different methods are adopted to calculate the water-saving amount for each sector,in combination of the characteristics of agricultural,industrial and domestic water use.By calculation,the accumulated water-saving amounts in 2020 and 2030 are 2.472 billion m3 and 5.662 billion m3 respectively.With water-saving and other measures and based on the maintenance of a health eco-system,the balance of water demand and supply in this region can be basically realized.