海涂圍墾區(qū)土壤高光譜特性與土地利用遙感調(diào)查研究.pdf

1、浙江大學碩士學位論文海涂圍墾區(qū)土壤高光譜特性與土地利用遙感調(diào)查研究姓名：黃明祥申請學位級別：碩士專業(yè)：農(nóng)業(yè)遙感與信息技術(shù)指導教師：史舟20040501英文摘要AbstractThecoastalsoilsarethemainlandresourceinsupportforZhejiangprovinceTheexploitationutilizationanditschangesofthecoastalsoilsnotonlyrelat

2、ewi也thesustaineddevelopmentoflocaleconomybutalsoimpactthesubsequentexploitationandavailablelanduseplanThus，timelyandreliableinformationwithregardtothenature，extentandphysic—chemicalcharacteristicsofthecoastalsoilsisessen

3、tial，CombinedwithaprojectsupportedbyNationalNaturalScienceFoundationofChina，alarge，reclaimedwithlongtimeandrepresentativeareainZhejiangprovinceasthestudyarea(10catedinShangyucityandsouthofHangzhougulf)，thisthesisfocusedo

4、nthestudiesofhyperspectralcharacteristicofthecoastalsoils，estimatingreclamationlevelofsoilusinglaboratoryhyperspectraandlanduseinvestigationbyremotesensing、Ⅳithmultitypeandmulti—hiberarchyremotesensingdataThemainstudycon

5、tentSandcorrespondingresultswereasfollow：1Afterthenaturaldryingandsievingofsoilsamplescollectedfromfield，physic—chemicalpropertyanalysisandhyperspectralmeasurementwerecarriedoutinlaboratoryTheresultsshowedthatcoastalsoil

6、shadloworganicmatterhighelectricalconductivityandsandcontent，andsonicsoilpropertieschangedwithreclamationyearsThePersoncorrelationanalysisshowedthatthereexistgoodrelationshipsbetweennineabsorptionbandsandselectedsoilprop

7、erties，suchassoilsandandsiltcontent2Thestudyareawasdividedintofoursub—zones、ⅣimdifferenthistoricalyearsofreclamationStepwiseDiscriminationAnalysis(SDA)wasappliedtoestimatethereclamationlevelsofcoastalsoilusingthenineabso

8、rptionbandsTheresultsshowedthatcoastalsoilswithdifferentreclamationyearscouldbeclassified、vitllsatisfiedaccuracyusingselectedabsorptionbandsfromhyperspectra3Landuseinvestigationbyremotesensingwereimplemented、橢Ⅱ1Multi—tem

9、poralLandsatTMandnewgenerationEnhancedThematicMapperPlus(ETM)First，dykeswereextractedusingalinefeatureenhancedandresolutionsharpenETMimageBasingontheextracteddykes，sixsub—zonesweredefinedaccordingtodifferentreclamationye