基于RS和IDL的植被覆盖度变化监测分析分析

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1、-AbstractWiththedevelopmentofmineralresources,theecologicalenvironmentproblemshavebecomeincreasinglyprominentinmines.Theecologicalqualityoftheenvironmentcontinuestodrop.Greenvegetationisthemostsensitiveandimportantenvironmentalfactorsinecologicalenvironment.Itschangesmakedirector

2、indirectimpactonotherenvironmentalfactors.Vegetationfractionalcoverisanimportantecologicalparameters,it’salsoanimportantbasisfordescribingtheecosystemdata.Therefore,researchthechangesofvegetationfractionalcovercanprovideanimportantreferencefortheprotectionofvegetation.TakingFuxin

3、Mineasanexample,thispaperestimatesthevegetationfractionalcoverrespectivelyusingtwooftheLandsatETMimagesin1996and2002.Basedontheestimationresults,itmakesstatisticalanalysisonthetwochangesofthevegetationfractionalcoverwithARCGIS.Itsumsupthecharacteristicsofthechangesoftimeandspaceo

4、vertheyears.Experimentalresultsshowthatthemineandsurroundingregionshavearapiddeclineinvegetationfractionalcoverduring7yearsduetotheimpactofminingactivities.Thesurfacedegradationofvegetationisrelativelyserious,especiallythewestandsouth-centralareas,vegetationfractionalcoverreduced

5、morethan50%.Thenitputsforwardsomesuggestionofsolvingthevegetationfractionalcoverreduction.Finally,accordingtotheextractedinformationandchangeinformation,itcarriesoutFuxinHaizhouMinevegetationfractionalcoverchangessysteminIDLlanguagethatcanstoreandmanageimagedata,withbasicediting,

6、queryandanalysiscapabilities.TheresultsofthisstudycanserveasthereferenceofmonitoringinFuxinvegetationfractionalcover,itcanhelpplantofacilitatetherehabilitationofvegetationminingarea,itcanprovideatheoreticalbasisforthesustainabledevelopmentofmineralresources.KeyWords：Mine；vegetati

7、onfractionalcover；NDVI；IDL；system---目录摘要Abstract1绪论.............................................................................................................11.1研究的目的和意义.............................................................................11.2国内外研究现状....................

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