城市景觀水體維護及優(yōu)化運行研究

1、天津大學碩士學位論文城市景觀水體維護及優(yōu)化運行研究姓名：司彥杰申請學位級別：碩士專業(yè)：環(huán)境工程指導教師：田一梅20070601ABSTRACTWiththerapiddevelopmentofcitiesinOBrcountrytherequirementofbetterlivingenvironmentandqualityisgettingmoreandmoreeagerLandscapewaterhasbecomeanessenti

2、alpartoftheimprovementofpeople’SlivingenvironmentHoweverthemanmadelandscapewaterhasbroughtmoreandmoreproblemstothecitiesinspiteofitsbeautificationfunction，such嬲lowfluidityandselfpurificationabilityseriouseutrophication，t

3、hedifficultiesofmaintenanceofwaterqualityandthelackofmanagementofthewaterPeoplearepayingmuchmoreattentiontotheirlivingenvironment，whichmakethemanagementandmaintenanceofthelandscapewatermoreandmoreimportantandnecessaryIts

4、urelywillbeofmuchvalueforresearchersofthisdomainAsforthemanagementoflandscapewatermanyfactorsshouldbeconsideredInthisthesis，theguaranteeofwaterquantitymaintenanceofwaterqualityandtheoptimaloperationofthewaterbodymanageme

5、ntaremainlydiscussedThefirstproblemisthewayofwaterquantitymaintenance，includingthelossofwaterthesourceandthewayofwatercomplementThenthecomparisonofthetechnologiesofpollutioncontrolandthewaterqualityrehabilitationismadeto

6、findouttheiradvantagesanddisadvantagesThenseveralfactorsarediscussed，whicharerelevanttothemaintenanceandmanagementoflandscapewaterBothofthecostandthequalityofthewatersourceshouldbeconsideredcarefullyThefluidityshouldbeim

7、provedtoincreasetheselfpurifyingabilityoflandscapewaterSeveralwaysshouldbeusedtoavoidandcontroltheeutrophication，includingecologicalmethodPhysical，ecologicalandthecombinedwaysshouldbeusedtOimprovethequalityofthewaterCons

8、tructedwetlandandwaterbodycirculationaretwoefficientwaysandhavebeendiscussedparticularlyintheessayAtlaStamathematicalmodelisconstructedwhichisabouttheoptimaloperationoflandscapewaterInthismodel，thetargetfunctionistheleas

9、tcostofthemanagementThemethods，quantityandtimeofwatercomplement，themodesandtheperiodsofwatercirculationareallconsideredinthemodeltominimizethecostandmaximizethebenefitofthewholesystemBaseontheformerresearch，acasestudyinT