三峡库区泥沙淤积量为预测值四成-论文.pdf

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1、第2期王伟，等：金沙江下游水文泥沙数据库及信息管理系统研究7Researchonhydrologyandsedimentdatabaseandinformationmanagements~'stemforlowerJinshaRiverWANGWei，DONGXianyong，WEIJinchun(1．ResearchCenterofChangjiangHydrologyTechnology，HydrologyBureauofChangjiangWaterResourcesCommission，Wuhan430010，China；2．Chengd

2、uThreeGorgesCascadeRegulationCenter，ChinaThreeGorgesCorporationChengdu610042，Chi．，na)Abstract：Alargeamountofsedimentationandtopographydatawillbegeneratedduringtheperiodsofplanningdesign，con．，structionandcompletionofthecascadehydropowerprojectsonlowerJinshaRiver．Tosystematical

3、lymasterthelawsofsedimen．rationinlowerreachesofJinshaRiver，strengthensafeandeffectivelong—termmanagementofhydrologicstation，gaugingsta-tion，rainfallstationandtheirmonitoringdata，thehydrologyandsedimentdatabaseandinformationmanagementsystemisdevel-opedandapplied．Thesysteminclu

4、des5subsystems，namelyautomaticmappingandgraphicseditingofchanneltopography，hy-drologyandsedimentdatabasemanagement，inputandoutputofinformation，analysisandforecastofsedimentation，aswellasthree—dimensionalvisualization．Thesoftwaresystematicstructure，aswellasfunctions，modulesoft

5、hesubsystemsarecompre-hensivelyillustrated．Keywords：hydrologyandsedimentation；informationmanagement；databasemanagement；JinshaRiver⋯，⋯(上接第3页)NewtechnologydiscussiononcomprehensivemanagementofflowandsedimentinformmatizationinlowerstreamofJinshaRiverWANGJun，LIUYaocheng(1．Hydrolo

6、gyBureau，ChangjiangWaterResourcesCommission，Wuhan430010，China；2．EngineeringConstructionandMan—agementBureau，ChinaThreeGorgesCorporation，Chengdu610042，China)Abstract：ThedevelopmentofgiantcascadehydropowerstationsinlowerJinshaRiverhasstrategicimportanceinChinasWesternDevelopmen

7、tProgram．Inordertoguaranteethesmoothconstructionandoperationofthestations，thehydrologicalandsedimentdataareneededtobemanagedscientifically．Onthebasisofanalysisonthedemandsofhydrologicandsedimentdatamanagementinthereservoirareaofthestations，theinformationcomprehensivemanagemen

8、tsystemofhydrologyandsedimentforlowerJinshaRiverwasdeveloped．Thesyst