黃河口沖淤災害系統(tǒng)動力學模型研究.pdf

1、中國石油大學（華東）碩士學位論文黃河口沖淤災害系統(tǒng)動力學模型研究姓名：亓東霞申請學位級別：碩士專業(yè)：數學指導教師：李維國劉展20100501SystemDynamicsModeloftheErosionandDepositionEvolutionoftheYeIlowRiverMouthQiDongxia(Mathematics)DirectedbyProfLiWeiguoandProfLiuZhanAbstractSincethe19

2、70s，thesandandwaterthattheYellowRivercarriedintotheseahaslargelyreduced，evenpresentsseriousclosure，causesthesinkrivercourseandtherivermouthsiltsupseriouslybringsthreatfortherivermouthfloodpreventionThespeedoftheYellowRiv

3、erdeltaextendingreducedobviouslyThecoastalareahasdrawnbackseriouslywhichincreasedthedifficultyofchangingminingoilfieldfromseatolandStudyingthechangingtendency，Seekingthemarginalvalueofthewaterandthesandthatmakethedeltaco

4、ntinenttothedynamicalequilibriumandforecastsitschangetendency，notonlyhastheveryvitalpracticalsignificancetotheYellowRiverdelta’Sgovernment，theterritorialmanagementaswellastheoilgasresources’explorationandthedevelopmentbu

5、talsoprovideresearchexampleoftheworldabundantsandriverdeltatendstothewholedynamicalequilibriumOnthebasisofpreviousstudiesItriedanewmethodtosimulatetheevolutionapproachoftheYellowRivermouth—SystemDynamicsThispaperusessyst

6、emdynamicstoanalyzetheimpactfactorstotheevolutionofYellowRivermouthandtheirintrinsiclinks，establishsimulationtotheland—oceaninteractionandvalidateinnewwaterandsandconditionsExperimentalresultsshowthattheuseofthesystemdyn

7、amicsmethodtosimulatetheevolutionoftheYellowRivermouthiseffective，andtheestablishmentofthesystemdynamicsmodelcanreflecttheerosionofthebasiclawsoftheYellowRiverDeltaKeywords：YellowRivermouth，erosionanddepositionevolution，