21754.西江流域分布式水文模擬及其應用研究

1、東華大學碩士學位論文西江流域分布式水文模擬及其應用研究姓名：張峰申請學位級別：碩士專業(yè)：環(huán)境科學指導教師：王浩雷曉輝201201ResearchonDistributedHydrologicalSimulationandItsApplicationinXijiangRiverBasinABSTRACTAtDresent，theproblems0fnooddisaSter，dryandwaterecologicalenvlromentde

2、teriorationhavebecometheimportantfactorswhichrestrictthedeVelopment0fchineseeconomvaIldsocietyseasonalwaterqualit)rproblemhasbecomethekeyfeatureofthewatersourceDroblemsinthedownstreamofPearlRiVer，especiallythesalinityint

3、ru8ionwhlchhaSthreateneddrinkingwatersafetyinZhuhaiandMacauInrecentyea‘8，wate。dec。easemtheupstre鋤indryseasonhasintensmedsalini妙intrusion，whichresultedinwatersupplysltuatlonmoresevereIntheconteXtofclimatechange，forthesake

4、ofexploringandstudylngVarlatloncharacteristicsofhydr0109ieandmeteorologicalelememsofXijiangRiVerbasinlocatedm‘heuDstre鋤ofPearlRiver，thispapernrstlycarriedoutdistributedhydrologicalsimulatlon，a。ldthenusedavarietyofstatist

5、icalmethodstofullscaleanalyzetheVariationcharacte。i8tic5ofhyd。olo目candmeteorologicalelements，soaStoproVidescienti矗creferenceforwaterresourcesexpl01tatlonandmanagementandsuppressingsalinityintrusionandoperationmdryseason。

6、(1)Acc。rdingt。ge。graphy，hydr。l。gyalldmete。r。l。gycharacteristics，baSedonEaSyDHMhvdrologicalsimulationplatform，thispaperconstructedthexijiangRiVerdiSt。ibutedhyd。ol091calmodel，completedcalibrationandvalidationofparaIlleters

7、for15pararlletersubareas，arldobtainedagoodsimulationresultTheresultshowedEasyDHMhaSVer)，good印p11cabllltymxijiaJlgRiver，andthemodelconstructedcandescribeobjectiVelytheinnermechanlsm01hydr0109icprocessesTherefore，themodelc

8、ouldbeusedtoresearchandsolVepractlcalproblemS(21BasedontheXijiangRiverdistributedhydrologicalmodel，mep印e。adoptedmanykmd8ofstatisticsmethodstoaIlalyzevariationcharacteristicsintemperature，p。ecipi‘a(chǎn)tion，eVapo。at。onandrunof

9、flaJldthenanalyzedmeeffectofclimatechangeonrunofffromthepointotV1ewoiclimatechangcaAsfortrendchange，inthelast55years，temperaturedemonstratedaremarKablesignmcantupwardtrend，evaporationhadsignincantdowntrend，andtherewasnos

10、lgnl士1canttrendinprecipitation，runoffandnaturalrunoffofreservoirsThe仃endsarelikelytocontlnuemnnureThesuddenchangeoccurredfromcoldtowarmintemperature，fromincreasetodecreaseinev印oration，andmerew2Lsnearlynosuddenchangenprec