基于SD及EF模型的環(huán)境承載力研究——以榆林市為例.pdf

1、西安科技大學碩士學位論文基于SD及EF模型的環(huán)境承載力研究——以榆林市為例姓名：孟東芳申請學位級別：碩士專業(yè)：環(huán)境工程指導教師：楊梅忠2011Subject：ResearchofEnvironmentalCarryingCapacityBasedonSystemDynamicsEcologicalFootprintModelbytheCaseofYulinSpecialty：EnvironmentEngineeringName：Meng

2、Dongfang（Signature）Instruct：YangMeizhong（Signature）ABSTRACTChinaachievedremarkablesuccessineconomicsincerefmdevelopmentbutitbroughtoutcrespondingseriousenvironmentproblems.AsanimptantenergychemicalindustrybaseinChinaNthe

3、rnShanxiisrichinmineralresources.ButNthernShanxi’secologicalenvironmentbecomememefragilewiththeexploitingofenergyresourcesthissituationseriouslyhinderedeconomicsocialdevelopmentinNthernShanxi.TherefeinthisstudyNthernShan

4、xi‘sEnvironmentbearingcapacityhasbeenanalyzedsystematicallyresourcesenvironmenteconomicsocietyfactssoonwasdiscussedtofindouttheweaklinkwhichhindereconomicsocialdevelopmentatlastsetoutmeasurementssuggestionstoraiseenviron

5、mentbearingcapacity.YulincityiscedistrictofNthernShanxi’senergychemicalindustrybase.ThispapertakesYulincityfexampleanalyzedeachbearingcapacityecologicalfootprintofthoseproductivelsthecalculationresultsshowthatthemainecol

6、ogicaldeficitwasfossilenergytheratioreached98%tototalecologicaldeficit.Tomaketheanalysisresultsmereliableitshouldbemepertinence.ThispaperhasconductedasurveyfenvironmentofYulincityfecastedthetendencyofenvironmentchangingi

7、nYulincitybystatisticsystemdynamicmethodstheresearchconclusionasfollows:FirstmainenvironmentprobleminYulincitywaswaterlosssoilerosionsurfacecollapseshtofwaterresourcesenvironmentpollutionsoon.Secondthesystemdynamicanalys

8、isresultsshowthatwhentakenoaccountofenvironmentbearingcapacityonlytaketheresources’exploitintoaccountYulincitywouldsustainhighspeedfeconomicaldevelopmentinnext10yearsButtheconditionwasthatthebearingcapacityofenvironments