27583.基于rsgis的濱海灘涂動(dòng)態(tài)變化研究以盤錦市為例_第1頁(yè)
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1、新疆師范大學(xué)碩士學(xué)位論文基于RSGIS的濱海灘涂動(dòng)態(tài)變化研究以盤錦市為例姓名:王影申請(qǐng)學(xué)位級(jí)別:碩士專業(yè):地圖學(xué)與地理信息系統(tǒng)指導(dǎo)教師:李新國(guó)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

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