區(qū)域水量水質(zhì)聯(lián)合調(diào)度對太湖水生態(tài)環(huán)境影響效果評估研究.pdf

1、河海大學(xué)博士學(xué)位論文區(qū)域水量水質(zhì)聯(lián)合調(diào)度對太湖水生態(tài)環(huán)境影響效果評估研究姓名：李大勇申請學(xué)位級別：博士專業(yè)：水文學(xué)及水資源指導(dǎo)教師：董增川20070922AbstractTheecologicalwaterdiversiontrialfromtheYangtsetotheTaihuLakeisausefulattempttoactivelygropeforapproachesad印tedtoincreasethecarryingcapa

2、cityofwaterresourcesandtheaquaticecosystemoftheriversandlakesinTaihuBasinTakingtrialprojeetasresearchbackgroundandaimingatirrationalpilotdistributionexposedontrial，thisthesisadoptsnumericalsimulationtostudyrationalschedu

3、lingofwaterdivertedfromWangyuheRiverinspecialperiodoftime，andputsemphasisuponanalyzingtheeffectsofpilotwhichisunderdifferentwaterdiversionoperatingconditiononwaterecologicalenvironmentofTalhuLakebasedonunderstandingtheco

4、nceptanditsleadingedgeandhotspotofwaterquantityandqualityjointoperation(1)Researchbackgroundandmeaningofthisthesisissetout，andtheconceptforjointoperationofwaterquantityandqualityissetforthconclusivelyOnthebasisofreviewin

5、gcorrelativeresearchprogressofjo缸operation，developmentofadoptednumericalmethodandrelativemodeliscommented，andtechnicallineandflameofthisresearchislodgedandresearchfultheorykeynoteisestablished(2)Byanalogybetweenthematter

6、composingofatomandbasincompositionofcharacterobjects，waterflowandqualitymotionofriversandlakesisdecomposedofsevenbasicelementasfollowed：zerodimensionelementmodel，onedimensionelementmodel，twodimensionelementmodel，linkinge

7、lementmodel，boundaryelementmodel，spaceelementmodelandloadelementmodelInordertoimprovetheprecisionofhydrodynamicmodelthatisusedforfloodpredictionamodelcouplingriverfloworrivernetworkcomputationwimrealtimealternatelyupdati

8、ngofvariancemethodisdevelopedaccordingtotheboundaryconditionofriverflowbasedonthelinearizeddiscretedifferenceequationsetobtainedfrom1一DSaintVeuantequationInthemodelthreekindsofKalmanfilterstatespatialmodulearedevelopedan

9、dinsertedintoflowcalculationproceduresasattachingcounterTheresultsofcasesshowthatthiscorrectionmethodiseffectiveandfeasiblefrompointviewofoperation1evel(3)Inordertoenhanceadaptivecapacityoftwodimensionflowcomputationforc

10、omplexterrainandovercomedisharmonyofstillwatercalculation，formshallowequationsetisderivedagainbytermsofmathematicaltransformationtechnologyofsystemofequationthatisproposedbyBRogersundertheframeofexistedwaterquantityandqu

11、alitymodel，andadvancedmodelofwaterflowandqualityisbuiltupbaseduponframeworkofthefinitevolumemethodandFDSschemeTheexampleresultsshowthatthismodificationimprovesstabilityandconcordanceofthemodel(4)Byanalyzingsignificantpro

12、blemsexposedduringwaterdiversiontrial，aregionalwaterquantityandqualityjointoperationmodelisbuiltupinordertodecreasethegapbetweenwatersupplyanddemandofTaihuBasinbytermsoftranslatingwaterqualityobjectintohighqualitywaterdi

13、versionquantitywithdispatchobjectoffurthestincreasingqualifiedwaterquantityandsafetyinfloodcontrolofreceptionbasin，anddynamicoptimizationalgorithmforsolvingthemodelisrealized(5)Basedonanatomizingthestructureandalgorithmo