沱江流域水资源合理配置和开发利用研究.pdf

,,%;2030年缺水率高达3 %, ,。方案二,2020年,,%;2030年,水资源供需基本达到平衡,供水 ,,%。因此,方案一,无法满足沱江流域经济社会对水资源的需求,缺水量较大;方案二,近远期都考虑加大外流域调水, 基本解决了沱江流域水资源与经济社会之间的矛盾。(4)在供需平衡分析的基础上,对沱江流域水资源进行配置,其结果为:2020 ,按水源类型分,, m3;按供水对象分,,,;、,。,,;生活 ,,; m3、,。评价结果表明规划水平年 2020年和2030年水资源配置均比较合理,能够保证沱江流域地区社会经济可持续发展。’(5)在水资源开发利用中应注重开源节流,节约用水,加强水环境和水生态的保护及管理,加强水利管理政策法规及人才队伍建设,大力削减现有污染物排放量,遏制水污染进一步发展,实行水资源的优化配置。关键词:沱江流域;供需平衡;水资源配置;可持续发展 Abstract TakenTuojiang Basin as ailexample,this paper studied ontheTuojiang Basinwater andexploitation staI:tlsbyuS吨water balancemetho止predicted thewater resources supply anddemand Ollplauning year 2020and 2030 bination with economic and socialsituationandTuojiang BasinDevelopment Goals,systematically analyzed thewaterresourcessupply anddemand water resources based on thesupplyand demand balanceofwaterresources,and proposed solutionsand rationalexploitation ofwater resources management resultsshowthat: (1)Tuojiang Basin annual average(1956—2005)water resources m3,water resources persquare kilometer,was only 370,000m3,therelativeshortage of water resourees,especially inmiddle and lower basin areas more Tuojiang Basin water resources shortaged and the uneven temporal andspatial distribution,thedistributionofwaterresources andeconomic andsocialdevelopment wereineoordination,and thewaterWaS polluted and theincreasing deteriorationof waterenvironment. (2ynojiaIlg Basinwaterstorage hasbeencited tOmention acertainscale,也e end of2005,Tuojiang Basinwerebuilt allkindsofwaterinfrastructure125,200(excluding thegroundwater and other waterprojects),designed water supply capacity . billionm3. Acertain