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1、天津梅江景觀水體生態(tài)需水問(wèn)題的研究StudyOnTheLscapeEcologicalWaterRequirementInMeijiangTianjin學(xué)科專業(yè)：水文學(xué)及水資源研究生：張亦飛指導(dǎo)教師：馮平教授天津大學(xué)建筑工程學(xué)院二〇一二年十一月ABSTRACTWiththecontinuousimprovementofpeoplelivingstardtheconstructionofecologicallivablecityhasat

2、tractedmuchattentionincludingconstructionoflscapewaterecologicalresidentialdistrictisoneoftheimptantcontentsofconstructing.Howeverlscapewaterbuildingneedsalotofwatermostofourcitiesareshtoffreshwater.Thewatershtagehasrest

3、rictedthebuildingoflivablecityithasbecomeanurgentproblemunderthelimitedwaterconditions..Thekeyofsolvingthisproblemisthatmakingsurethewaterrequirementoflscapewater.Accdingtotheactualsituationidentifyingtheecologicalwaterr

4、equirementintheyearofcrespondinglevelrealizingthelimitedwaterresourcesquantitytomaintainreasonableecologicalwaterrequirementinthelscapewaterbothofthemcanbeusedtoimprovepeoplelivingenvironment.Meijiangarearapiddevelopment

5、isbecomedriveTianjindevelopmentenginepopulationdimensionstoexpceaselesslythedemofwaterresourcesisincreasinghowtoreasonableuseofwaterresourcesshouldbecausedtakeseriously.ThisstudyreliesontheMeijiangareaofTianjinlscapewate

6、rusingalargenumberofaccuratedatatheeticalmodelsontheregionalecologicalenvironmentwaterdemcalculation.ThefirstuseofSCSmodelofrunoffyieldrunoffcurvewerecalculatedrainfallthecomparisonofdataanalysisofrainfallannualyearsvari

7、ationofdomaincityacteristicsofrainwaterrunoffincombinedwiththeacteristicsofunderlyingsurfaceanalysisoftheregionalwatercirculationmechanismtheestablishmentofregionalrainfallrunoffmodeldeterminethemonthly(tendays)lscapelak

8、ewateryield.Thelscapewaterbodyinfiltrationwereexactlycalculatedtheestablishmentofundergroundwaterlevelfluctuationundertheinfiltrationquantityestimationmodeldeterminethemonthly(tendays)lakelscapeinfiltration.Thenaccdingto

9、theregion30yearsofwatersurfaceevapationdataweanalysisoftheannualyearvariationofregionalevapotranspiration.AnalysisofMeijianglscapewatermainaquaticplantssurfaceareawereestablishedinaquaticplantevapationwatersurfaceevapati

10、onmodel.Finallytheuseoffunctionwaterbalancemethodrespectivelyontheecologicalwaterrequirementcalculationecologicalwaterrequirementitisconcludedthatthemaximumtheminimumecologicalwaterrequirementtheoptimalrangetwocomprehens

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