三峽庫區(qū)次級河流富營養(yǎng)化趨勢研究.pdf

1、重慶大學碩士學位論文三峽庫區(qū)次級河流富營養(yǎng)化趨勢研究姓名：羅鋒申請學位級別：碩士專業(yè)：環(huán)境工程指導教師：陳萬志20040507重慶大學碩士學位論文英文摘要ABSTRACTResearchonforecastingeutrophicationisalwayshotissueandnodus，andmostofthemwerefoCUSedOiltheeutrophicationinlakewhilefewwerefocusedonthee

2、utrophicationinriverLakeeutrophicationdependsmainlyondissolublephosphorousconcentration，andfiverhavecloseaffinitywithnotonlyPconcentration，butalsoveloeityofflowandclimatesituationhoweverOVeralongpefiodoftime，researchonit

3、haven’ttakenintoaccounttheinfluencethatvelocityofflowandclimatesituationworkon，andthereisnocurrentresearchincludingallthreefactorAtfirst，thispaperhaveinvestigatedhydrologywaterqualitypollutionsourceandwatershedsituationo

4、fOVerthirtytributariesincludingJialingRiverandWujiangRiverindetail，andhavemonitoredeutrophicstatusquoofmid—andlarge—scalereservoirsrelatedcloselywimtributariesinThreegorgeReservoirareaandthenhaveanalyzedtheeutrophicchara

5、cteristicofriverandreservoir，andtheregressioncorre]ativitybetweenehlaand“IT，SDintributariesandreservoirs，especiallyforWujiangRiverandChangshouLake，SOitisindicatedthatchiahaveevidentcorrelationwithTPandSDin35midandlarge—s

6、calereservoirsandctdahavelittlecorrelationwitllTPandSDintributariesThereisnouniversalruleinfivereutrophication，unlikeinLakeInordertoprobeintothepatternoffivereutrophicationtheauthorsimulatedthechangeofwaterqualityintheRe

7、achofWujiangRiverbetweenWulongandFulingbyemployingQUAL2Ewaterqualitymodel，settingitsborderlineconditionandpitchingandmodifyingthermometricallythemodelparameterandemphasizedthesimulation：thetwowaterqualitysituationthat‘bl

8、acktide’appearsanddoesn’tappearbeforeThreegorgeReservoirshape，andthetwosituationafterThreegorgeReservoirshapeandwhenitrunatKghwaterline，thatis，inthevicinityof175mThesimulationisvalidatedandcomparedwitllrealdataprovedtobe

9、exactFinallyauthorratiocinatedthebiochemicaldynamicsduringeutrophiccourse，andtheorizedbiochemieallydynamicmodelequationforeutrophication，tocladfyeutrophiccaBseandeffectofmainleadtofactors，and，basedonthemodelequation，auth