浅海水深多2f高光谱遥感模型与水深地形图制作技术分析

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1、山东科技大学硕上学位论文摘要(GBl2319—1998)和海底地形图编绘规范(GB／T17834—1999)等相关标准后，本文以遥感影像及相关遥感产品为数据源，分别在研究区提取了岸线、干出滩、礁石等海部要素、水系、居民地、道路、等高线等陆部要素以及水深点、等深线等水深要素，并按照一定的图幅整饰规则对各水深地形图要素进行了图幅整饰及输出，从而探索出了一套完整的水深地形图成图规范。关键字：水深反演；多光谱；高光谱；水深地形图；山东科技大学硕上学位论文摘要ABSTRACTWaterdepthisoneofthemos

2、timportantparametersforthemarineenvironmentandbathymetricsurveyisverysignifificantforseabedtopographyunderstanding，coastalprotectionandutilization，eta1．Inrecentyears，Withthedevelopmentofsocialeconomyandintensificationofhumanactivities，Nearshoresubmarinetopog

3、raphychangingconstantlyandthedemandformeasuringwaterdepthandoceanfloorisgraduallyenhanced．Thetraditionalwaterdepthmeasurementsofshipechosoundingmethodhasdoneagoodjob．Buttheperformanceofshipbornedsoundingmethodwasnotgoodforthereasonthatwaseasilyaffectedbytial

4、orsurveylocationthatcannotenterbecauseoftheshallowwater．Bathymetryinversonbasedonremotesensing，whichisonemethodforBathymetrysurvey，hasadvantagesoverfieldmeasurement，asitiscapableoflarge—scale，simultaneousmonitoringwithahightemporalandspatialresolutiontomakeu

5、pforlackofthelatter．Thus，Bathymetryinversonbasedonremotesensingisaneffectivecomplementtotraditionalsoundingmethod．Amongtraditionalmultispectralbathymetryinversemodels，RatiomodelsWaswidelyusedbymanyresearchers．Butthismodel’SperformancewasnotSOgoodinshallowwat

6、er,whichwassubjectedtoitsparameters．Thus，thismodelneedtobeimproved；Holden’Sresearchfoundthatwaterspectralcurvewasaffectedbywaterdepthandbosomtype．WhenthewaterdepthisfixedandtheboRomtypevaries，theshapeofthespectrumwillchange．Ifthebonomstatusstaysthesameandthe

7、waterdepthvaries，thevaluesofthespectrumwillchangebuttheshapewillhavelittledifference．Soifwecallgetanparametertodescribethedifferencebetweenspectralcurves，theparameterwillonlyberelatedtowaterdepth．Sofar,therehasbeennoresearchabouttheidea；Afterseveraldecadesof

8、developments，thetechnologyofbathyorographicalmappingWasnowsurprisinglymature，butthetechnologyofbathyorographicalmappingbasedontheremotesensinginformationwasinitsinfancy．ThereWasstillnoneacomplet