區(qū)域生態(tài)環(huán)境需水指標(biāo)體系及綜合評(píng)價(jià)研究.pdf

1、浙江大學(xué)碩士學(xué)位論文區(qū)域生態(tài)環(huán)境需水指標(biāo)體系及綜合評(píng)價(jià)研究姓名：吳潔珍申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：環(huán)境科學(xué)指導(dǎo)教師：王莉紅20050501ABSTRACTPeopleunderstandtheimportanceofeco—environmentalwaterdemandgraduallyafterflseriesofeco。environmentalproblemssuchasrivefillingup，wetlandfadingaway

2、，waterqualitydeteriorating，riverrunningoffhappenedIn1990’SresearchonecoenvironmentalwaterdemandhasbeenbecomingthehotspotinthefieldofwaterresourceandrelatedfieldInthisdissertation，thetheoryofecoenvironmentalwaterdemand，in

3、dexsystem，evaluationmethodsandmanycasesofeco—environmentalwaterdemandhavebeendiscussedIntheBeginning，inordertichenthetheoryofeco—environmentalwaterdemand，theconcept，meanings，trait，impactfactorsandclasssystemofeco—environ

4、mentalwaterdemandhavebeenanalyzedThentheindexsystemofeco—environmentalwaterdemandhasbeenestablishedbythreedifferentmethodsstepbystepBasedontheProjectionPursuitmodelwhichisprogrammedbyMATLAB，20citiesinZhejiangProvincehave

5、beentakenasexamplesinthearticleAndthevaluesofindexandvaluationofeco—environmentalwaterdemandindifferentregionshasbeenachievedIntheend，4casesareusedtocheektheprojectionpursuitmodelManyimportantoutcomesareabtainedinthisdis

6、sertation：(1)Themeaningsofecoenvironmentalwaterdemandincludewaterquantityandwaterqualitydoublemeanings，lifeandnonlifetwosystemsexceptspacetimeandsustainabledevelopmentmeanings(2)Thesystemofeeo—environmentalwaterdemandinr

7、egionsinfluencedbynature，societyandeconomy，ecosystem，waterresourceandSOonineachregionBasedontheanalysisonthesefactorsmentionedabove，theindexsystemabouteco—environmentalwaterdemandisestablishedThentherelativevalueofeachin

8、dexisattainedbyoperatingProjectionPursuitModel(3)ValuesofecoenvironmentalwaterdemandindifferentregionsarecalculatedbymodelThen20citieschosenfrom56citiesinZhejiangprovincearedividedinto3levelssuchasgoodlevelcommon1eveland