基于遥感影像的梁子湖湖区土地利用_土地覆盖变化研究

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1、华中师范大学硕士学位论文基于遥感影像的梁子湖湖区土地利用/土地覆盖变化研究姓名：袁涛申请学位级别：硕士专业：植物学指导教师：刘胜祥20061201⑥硕士学位论文MASTER’STHESlSAbstractTheRSconceptionandcurrenttrendusingRSinsideandoutsideofthecountryweresimplyintroduced．Thegeneralnaturalandsocialsituationwasilluminated．TheTMtypesandthetheoriesandmethodstoiudgethetype

2、swereintroduced．ItgaveadetailedintroductionabouttheclassificationprocessofLiang．ziLakelandusesupposedbyErdasImagine8．5softwarewiththeresourceofLandsatTMof1987．20()oand2004．1metotalclassificationaccuracywas88％for2004．86％forboth1987and2000respectively；11henusedmathematicmethodtOanalyzeth

3、echangeoflanduse．anditWasfoundthatallthelandusetypeschangedtosomedegree．buttheamountanddegreeofchangewasdifferentobviously．Basedontheanalysisoflanduse．theareaofarablelandandorchardIanddecreasediIlfirstlandgrade。andothersshowedincreasingtrend．Inthesecondlandgradetheareaofwaterland，dryla

4、ndandpaddylanddecreased．andothersseemedtoincrease．Toanalyzefromthechangeoflanduse，theareaofarablelandchangedgreatlywithdecreasingof4787．3hm‘in17years．Secondiswaterarea，whichis3341．92hm‘．residentialareaincreasedwith1229．24hm2．howeverthechangeoforchardland．grass1andandforestlandwasnotobv

5、ious．Analyzingfromthedegreeofchange，orchardlandchangedgreatlywith27．92％infirstlandgrade，thenistheresidentiallandwitll26．94％．Othershowedlimitedchange．Inthesecondgradetheareaofpondchangedgreatlywith42。“％，thenisthepaddylandwith26。29％，andotherschangedlittle．Toanalyzefromtheyearlychangeofla

6、nduse．theresidentiallandchangedmostlywith1．91％andthenisorchardlandwith1．28％from1987to2000；from20()o一2004orchardIandchangedmostlywith3．38％andtheniswaterareawith1．90％：from1987to20014orchardlandchangedmostlywith1．64％andthenisresidentiallandwith1．58％．Thechangeofland—usewasanalyzedqualitati

7、velyandthereasonforthechangeoforchardland，arableland，residentialarea，trafficandwaterareawasanalyzeddetailedly，Theresultshowedthatfrom1987to2004themainreasonforthechangeofland-usetypeswasthegreateconomicdevelopmentintheinvestigatedarea，thechangeofpopulationconfiguration，theincreasingo