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ID:26917965
大小:3.85 MB
页数:67页
时间:2018-11-30
《黄河内蒙古段河冰过程与热力增长模型分析》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
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.........................................
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