27583.基于rsgis的濱海灘涂動態(tài)變化研究以盤錦市為例

1、新疆師范大學碩士學位論文基于RSGIS的濱海灘涂動態(tài)變化研究以盤錦市為例姓名：王影申請學位級別：碩士專業(yè)：地圖學與地理信息系統(tǒng)指導教師：李新國20110613IIAbstractCoastalbeachisatransitionzonebetweenlseawhichisthehabitatbreedinggroundofwildlifealsoprovideshumanbeingswithabundantmeansofsubsiste

2、nceproduction.HoweverCoastalbeachhasbeensufferedmemeseriousdisturbancedestructionfromhumanitybecauseofeconomicaldevelopmentpopulationgrowthcityexpansionintherecent30years.Howtopreventcoastalbeachfromdegradingdisappearing

3、becameamajconcernedissue.ThisarticletakesthecoastalbeachinPanjincityastheresearchobjectextractedinfmationclassimagesofthestudyareaintheyearof1979198820012008byusingRSGIStechnologyfindingsaccdedwiththefieldresearchintypic

4、alarea.InadditionpredictedthetrendofdevelopmentofstudyareabyusingthelusetransfermatrixlusedynamicdegreelusetrendsmodelfractaltheytheMarkovmodelevaluatethetendencyofenvironmentalqualitychangebyenvironmentalindex.Throughan

5、alyzingsomeresultsofthispaperwereconcludedasfollows:(1)Itmadeclearthatreflectingthebeachlscapeinfmationbetterthroughcombiningb5b2b1ofTMimagesbycalculatingOptimumIndexFact(OIF)theoptimalbcombinationindex.thenextracteditsd

6、istributioninfmationbysupervisedclassificationtheclassificationaccuracykappacoefficientswere0.8170.8160.8160.840.Gernerallytheresultsaccdedwiththefieldresearchintypicalarea.(2)Theareaofreedwetlsnaturalwatermudflathasbeen

7、reducingcontinuallyinthestudyarea.From1979to2008theareaofreedwetlsnaturalwatermudflatreducedseparately2184.14hm21277.07hm2630.56hm2.Theareaofaquaculturepaddyfieldconstructionlhasbeenincreasingcontinually.From1979to2008th

8、eareaofaquaculturepaddyfieldconstructionlincreased1262.23hm2478.48hm2278.01hm2respectively.Thetendencyofthebeachlscapefrom2010to2030predictedaccdingtotheMarkovmodel.(3)Conclusionwasdrawnbythefractalanalysis:Inthefourperi

9、odsthestableindexSKoftidalcreekswere0.2170.2080.1600.267theindexSKofradialsridgeswere0.3880.3410.3280.306whichindicatedthatthesetwotypesoflscapelessaffectedbyhumanactivities.TheindexSKofnaturalwaterwere0.0560.0140.0830.0