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时间:2020-02-05
《2012美国数学建模B题论文--PROBLEM B Camping along the Big Long River.doc》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、CampingalongtheBigLongRiverAbstractUnderstandingtheimpactsofhumanrecreationonnaturalresourcesisofcriticalimportanceinconstructingeffectivemanagementstrategies.TheGrandCanyonRiverTripSimulatorisacomputerprogramthatmodelscomplex,dynamichuman–environmentint
2、eractionsintherivercorridoroftheGrandCanyonNationalPark.Thesystemconsistsofadatabaseandsimulatorengine.Thedatabasecontains487tripdiariesthatreportallstopsforactivitiesandcampingalongthe447kmColoradoRivercorridorwithinthepurviewoftheNationalParkService.Th
3、ecomputersimulationemploysstatisticsandartificialintelligenceincreatinganindividual-basedmodelingsystem.Thissimulationsystemsuccessfullymodelstherecreationalraftingbehaviorandcapturesthedecisionmakingofraftingpartiesastheyresponsivelyseektooptimizetheire
4、xperience.ThemodelallowstheParkmanagerstoassessthelikelyimpactofvariousalternativemanagementscenariosforraftingtripsontheColoradoRiver.TheGrandCanyonRiverTripSimulatoradvancesourabilitiestomodelcomplexsystemsinthecontextofhuman–environmentinteractions.It
5、mayserveasasuitabletemplateformodelingasuiteofothercomplexadaptivesystemsincludingecosystems.Keywords:Agent-basedmodeling;Individual-basedmodels;Simulation;GrandCanyonNationalPark;Recreation;Human–environmentinteractions1.IntroductionTheGrandCanyoninthew
6、esternUnitedStatesiswellknownasoneofthenaturalwondersworldwide.Besidesviewingthespectacularcanyonlandscape,anextremelyattractiverecreationalactivityintheGrandCanyonNationalParkisriverraftingontheColoradoRiver.Theparkallocatesusethroughspeciallicensesto16
7、commercialriveroutfittingcompanies,andmaintainsawaitinglistfornoncommercial(private)permits.Tripsrangefrom3to22days.Sometripsincludeanexchange,wherepassengershikeortakeahelicopterrideinoroutofthecanyon(onlypossibleattwolocales).BoatsentertheriveratLeesFe
8、rryandproceedupto447kmtotheirtake-outlocation,whichcanbeeitherDiamondCreekorPearceFerry(inLakeMead).Alongtheway,boaterscanchoosefrommanydifferentactivitiesandcampsitelocations,whichmayincludehiking,swimmingorarcheologicalc
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