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1、EnvironEarthSci(2010)60:16931699DOI10.1007/s12665-009-0303-2ORIGINALARTICLEWaterqualityassessmentofWeiRiver,ChinausingfuzzysyntheticevaluationXinweiLuÆLorettaY.LiÆKaiLeiÆLijunWangÆYuxiangZhaiÆMengZhaiReceived:14January2009/Accepted:14September2009/Publishedonline:25September2009ÓSpringer-Verlag20
2、09AbstractWeiRiveristhemajorsourceofwaterfortheIntroductionurbanresidents,industrialproductionandagriculturalactivitiesinthecentralShaanxiplainofChina.WaterFreshwaterplaysuniquerolesforsocietyandforeco-qualityoftheWeiRiverwasdeterminedbycollectingnomicdevelopmentthroughprovision(e.g.,products,wat
3、ersamplesfrom25locationsalongtheBaojiXianfood),support(e.g.,wastewaterprocessing,supplyofreachandanalyzingforpH,EC,BOD5,DO,COD,F,Se,cleanwater),andenrichment(e.g.,aesthetic,recreational,As,andHg.Fuzzysyntheticevaluationwiththeentropycultural)services(Yangetal.2007).Thegrowingdemandmethodforweight
4、determinationwasusedtoassesstheforfreshwaterresourcestosustainhumanactivities,cou-waterqualityoftheriver.Resultsindicatethatthewaterpledwithadverseeffectsofhumanactivities,suchasqualityof23samplingsitesfallintothefifthgrade(baddischargeofindustrialwastewateranddomesticsewage,level),whereastwosampl
5、ingsitesareinthefourthgradearelikelytocauseacrisisinthenearfutureifwater(poorlevel).Thecomparisonofthismethodwiththeresourcesarenotappropriatelymanaged(CharkhabiandtypicalfuzzysyntheticevaluationshowsthatitiseffectiveSakizadeh2006).Theshortageofwaterresourcesandinwaterqualityassessment.Theassessm
6、entresultsindi-waterpollutionisveryseriousinthearidandsemi-aridcatethattheWeiRiverisheavilypollutedatmostoftheareasofNorthwesternChina.Strengtheningwaterqualitysamplinglocations,withmercuryasthemajorpollutant.managementandconservationofimpoverishedwaterStrictenforcementoftheregulationsfordomestic
7、andresourcesareindispensableforeconomicandsocialsus-industrialwastewaterdischargesisvitaltoavoiddamagetotainabledevelopment.thewaterenvironmentandtoprotecthumanandecologicalWaterqualitymanagementinvolveswaterqualityhea
