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ID:57922517
大小:2.35 MB
页数:77页
时间:2020-04-10
《北票市傍河水源地供水安全分析.pdf》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Y10110799jj炎一~U1jC‘!)DC)P33627;=:1■~—生!韭垫丛堡主蒈黝⋯~正~一~一酒海大萼硕士学位沦文北票市傍河水源地供水安全分析增导教师姓私一—划垦全煎丝迎挥厶堂丛查筮塑.:撞堂陆一!塑塞jlLi堕燮—路一一羔一—望二一l;{请’≯位级别鲤.匕一一≮业躬称~盛塞翌:缝坐塑遂一i意,支。掘交一期:2007jF1,1;苫:之答‘≯薛¨j;jJ:2007年1』j28I二{学寥拶予单位和H;}。:j:河海人。f‘-2fJU7年4』j}j?÷:jij冬jj:.卜1。l:一;._i7义J刊}?掺沦:+≯i-!j≈人::4-;y托j1投}受钏”17奠叛
2、谈2tj啷q二1』028¨,{·圜舟i:AbstractTakeariversidewellfieldofBeipiaocityinLiaoningprovince鹤acasestudy,firstly,supplyanddemandconditionofgroundwaterresouK:esal-eanalysedbasedontheeconomy,societyandlivingconditionofstudyarea.Secondly,groundwaterflownumericalsimulationmodelcabbeestablishedbyusin
3、gViSualMODFLOWonthebasisoffullyanalysesofthedynamiccondition.Moreover,waterbalanceisalsoanalysed.Accordingtothepredictedgroundwaterallowablewithdrawaloftheyear2010andthewaterdemandfrom1980to2004.Consideredtheincreaseofpopulation,economicincrease,thedevelopmentofsocietyandotherfactors,
4、greymethodisusedtopredictthewaterdemandin2010.Combinedwiththeresultofwatersupplyanddemand,thesystemfactorsofsafetywatersupplyestimatecanbeprimarilyestimated.Makeuseofprinciplecomponentanalysismethodtofilterthesefactorsandthroughclusteringanalysiscanclassifiedtheestimatedelevenfactorsi
5、ntothreetypes.Analyticalhierarchymethodisusedtoestablishtheweighi.Inordertomakeacomparision,fuzzysynthesisassessmentmethodisalsousedtomakeallestimate.Finally,theresultofsafetywatersupplyofBeipiaocitycanbeconcluded.Thesafetywatersupplypredictionin2010whichbasedonthepresentanalysisandth
6、ewatersupplyanddemandin2010showsthatwaterdemandismuchlargerthanwatersupply.Hence,thecrisisofwatersupplybecomesmoreserious.Aseriesofprojectmeasuresmustbetakentosolvethisproblem.Tlliscontainsadjustingthedistributionofpumpingwellandbuildinggrubberdaminordertoavoidtheexploitationinthearea
7、ofgroundwaterleveldrawdownandblockthefivervolumetoincreasetherechargedischargedintothegroundwater.Asforthewaterdemand,peoplemustbeaw0.reoftheimportanceofsavingwater.Andreasonablewaterresourcescollocationandtransferationarealsoneeded.Othermethodscanalsobeemployedtotrytosettlethisproble
8、mtoca
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