黄河内蒙古段河冰过程与热力增长模型分析

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1、-IceProcessandaModeloftheThermalGrowthandDecayofIceCoverintheInnerMongoliaReachoftheYellowRiverAbstractInnerMongoliareachesoftheYellowRiverhasattractedattentionsoftheresearchersduetothefrequentoccurrencesofwinterseasonfloods.Becauseofthecomplexityofthephenomenalackoffield

2、dataandsystematicresearcheffort,thereisverylittleindepthunderstandingonthisproblem.Sincethe1980s,theriverchannelscourseriously,theaccumulationofsilt,thereductionoftheYellowRiverdischarge,andthechangingchannelbed,leadtomanyotherpracticalproblems.Thisthesissummarizedtheresu

3、ltsofthefieldobservationsontheiceconditionsoftheupperYellowRiverfromShizuishantoWanjiazhaiduringthewinterof2011-12.Theunifieddegree-daymethodisappliedtotheBaYanGaoLeStationforicethicknesssimulationandbreak-upforecast.Themaincontentsofthethesisare:1.IcedisastersinInnerMong

4、oliareachoftheYellowRiverinthepast20yearsaresummarized,andthecauseandinfluencefactorsoficedisastersduringthebreakupperiodareanalysed.2.Analyzetheobservedprototypedatafrom2011-2012winter,analysisandsummarizedthethermalfactorsasthemaininfluencefactorofprocessofriverice.3.Ba

5、sedontheInnerMongoliareachiceandtemperaturedatadevelopedanunifieddegree-daymodelfortheBaYanGaoLeicethicknesschangeandbreak-update.Keywords:YellowRiver；Riverice；Carelesslyforecast；Simulation；UnifieddegreedaymethodDirectedby：Prof.LiChangyouApplicantforMasterDegree：ShiXinjua

6、n(HydrologyandWaterResources)(CollegeofWaterResourcesandCivilEngineering，InnerMongoliaAgriculturalUniversity，Hohhot010018，China)---目录1引言...........................................................11.1研究背景及意义.............................................11.2国内外研究现状..........

7、...................................11.2.1国外研究现状.............................................11.2.2国内研究现状.............................................21.3论文的主要研究内容.........................................41.4研究技术路线...............................................52研究区域概述....

8、...............................................62.1自然概况.........................................