ANALYSIS ON SUPPLY AND DEMAND OF WATER RESOURCES AND RELATED COUNTERMEASURES IN SHANGLUO CITY

The utilizable water resources of Shangluo aren't sufficient to water requirement with the population and social economy development,and the contradiction between water supply and water demand is changing into more acute.Based on the development and utilization of water resources of Shangluo,for mitigating the tension of water supply and water demand,the restricting factors of water resources were studied,including the shortage of water supply,declining water quality and low utilization efficiency of water resources.Taking 2005 as a basic year,the water demand and water supply volumes in year 2010 and 2020 were forecasted by using quota method,and the balance between water supply and water demand in Shangluo was analyzed.It shows that the shortage of water supply is the key restricting factors of water resources.Then according to the restricting factors,the utilization countermeasures and measures of realizing the balance between the water supply and water demand are proposed by construction the new source engineering,development of water-saving agriculture,construction water-saving urban and increasing reuse of sewage,which are creating chance for the social economy development.