旺苍县水资源承载力分析

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1、水资源开发的潜力很大，要实现经济社会的可持续发展，节水是一方面，但必须把重点放在开源上，才能彻底解决影响旺苍经济社会可持续发展和生态环境建设的水资源问题，才能真正促进人口、经济、资源和环境的协调发展。关键词：水资源；承载力；模糊综合评判；旺苍AbstractWateristheessentialbasicnaturalresourcestohuman’ssurvivalanddevelopment，andit’salsothestrategiceconomicresourcestohumangrowthanddevelopment．Howeve

2、r，withtherapiddevelopmentintheeconomicandsocialprogress，Theirrationalutilizationofwaterresourceshascausedtheshortageofwater，theconflictsbetweent11esupplyanddemandofwaterresourceshavebecomemoreandmoreoutstanding，晰tllleadsindustry，agricultureandpeople’slifebeingshortofwatermor

3、eandmoreserious．Theproblemsofwaterresourceshaverestrainedthesustainabledevelopmentofthenationaleconomyandsocialprogress．theproblemssuchasdroughtandwatershortage．floodsandwaterloggingandwaterenvironmentdeterioration．Howtoproperlyhandletherelationsbetweenwaterresourcesandpopul

4、ationaswellasbetweenenvironmentandsustainableeconomicdevelopmenthasbecomeafocusofsocialconcern．Thecarryingcapacityofthewaterresources(CCWR、isanimportantdeliberatedindexofmeasuringthesustainabledevelopmentofthenationaleconomyandsocialprogress．alsoincurrentlyscientific一researc

5、hitisahotissueaboutwaterresourcesresearchfield．WangcangislocatedintheSichuanBasin．thenorthernedgeoftheupperreachesoftheJialingRiverattheiunctionofSichuanandShanxi．Thewaterresourcesinthecountryarerichthatthewaterreservesoftheeightmajorriversaremorethan450．000kilowattsandtheam

6、ountthatcanbedevelopedismorethanl0kilowatts．Butitswaterresourcesareinfluencedobviouslybyrainfallandclimate．It’stotal48yearsthatfrom1959to2006．nearly16yearsarecomparedwiththeprevious32yearsbyanaverageflow．whichisdecreased41．8percentsfrom69．61m’／sto40．52m3／s．Therunoffisdecreas

7、ed39．5percentsthatfroml5．81106mJ／sto9．57105mJ／s．Thenumberofwaterresourcesdropsquicklysothatthereisabigcrisis．Moreoverthedistributionisunevenintemporalandspatialandtheshortageofwaterisserious．Thesummerdrought，drought，autumndroughtalmostexistineachyear．Aimatthecircumstance．ont

8、hebasisofthecurrentsituationofthewaterresourcesinWangcang，accordingastheten