On water use situation in the Yangtze river basin

The two-grade district division of water resources and the water resource volume in the Yangtze river basin are briefly presented.Water resources data from Yangtze River Basin Water Resources Bulletin of 1998-2002 are used to analyze water consumption situations in the Yangtze river basin and in its second-grade districts;ratios of agricultural,industrial and domestic water consumptions to the total water consumption;characteristics and rules of interannual and interdistrict variations in water consumptions.This paper also analyzes and calculates the comprehensive per-capita water consumption indexes in the river basin,per-10000-yuan-GDP water consumption,unit-area average irrigation water consumption,per-capita domestic water consumption,etc.,and analyzes water consumption indexes' variations for second districts of the river basin.