千岛湖地形调查与湖面温度场卫星数据的反演

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1、杭州电子科技大学硕士学位论文AbstractLakeswhicharethemostimportantfreshwaterecosystemsontheplanetareanimportantnaturalresourceforhumanlifeandproduction.Inrecentyears,forthecontinuousexpansionofurbanscaleandthedevelopmentofindustryandagriculture,Chinalakespollutionprobl

2、emshavebecomeseriously.Theyaffectsocialstabilityandconstraintslakdistrict’slong-termeconomicgrowth.Therefore,thelakeaquaticecosystemneedtogovernandimprove.Aerationtechnologyisanewkindoflakepollutioncontroltechnologyinrecentyearsdeveloped.Throughbettingga

3、stowater,itincreasethedissolvedoxygenandrestrainphosphorusreleaseinthebottomwater.Atthesametime,itpromoteaerobicmicrobial’sbreedingwhichdegradatelake’sotherpollutants.Aerationtechnologycanimprovetheoverallqualityofthelakeeffectively.Researchaboutaeration

4、technologyimprovelakeeutrophicationstartslate.ThereisnoThree-dimensionalnumericalmodeltopredicteffectionthataerationtechnologyisactonlake’sflowfield，temperaturefield，dissolvedoxygen，phosphorusconcentration.Firstly,thepaperreviewstheexistinglakepollutionc

5、ontroltechnologyandintroducestheprincipleanddevelopmentstatusofaerationtechnology.Inaccordancewiththerequestaboutaerationaffectlakeenvironmental,itdevelopatechnologyroadmapaboutcreatingThousand-islandLake’sthree-dimensionalnumericalmodel.Secondly,itnoton

6、lydrawThousandislandslake’sshorelinetoformavectorfileby100thousandcoordinatepoints,butalsosurveythehydrologydataofThousand-islandLake.Lastly,forremotesensingtechnologywhichofferawiderangeoftargetmonitoringdatainrealtimewithoutmodifiedbytimeandtopography,

7、itcanoffereffectivetechnicalsupporttoThousand-islandLake’snumericalsimulation.Watertemperatureisanimportantecologicalelementinlake’sstudying.Itaffectthedistributionrateofbiochemicalreactionsinwaterandthegrowthoforganismsdirectly.Thepaperuseremotesensingt

8、echnologytoinvertthetemperaturedistributioninThousand-islandLake,whichisinaccordancewithregular.Thousand-islandLakelake’sthree-dimensionalnumericalsimulationisasystemengineering,andneedtheworkinmanyaspects.Thepaperwhichcre