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GPM卫星资料在分析“杜苏芮”台风降水结构中的应用.docx

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GPM卫星资料在分析“杜苏芮”台风降水结构中的应用 Title:ApplicationofGPMSatelliteDataintheAnalysisofPrecipitationStructureofTyphoonDujuan Introduction: Typhoonsaredestructiveweatherphenomenathatposesignificantthreatstocoastalregions,includingheavyrainfallleadingtoflooding,landslides,andinfrastructuredamage.Accurateanalysisoftheprecipitationstructurewithinatyphooniscrucialforearlywarningsandeffectivedisastermanagement.ThispaperaimstoexploretheapplicationofGPM(GlobalPrecipitationMeasurement)satellitedatainanalyzingtheprecipitationstructureofTyphoonDujuan,providingvaluableinsightsintoitsintensity,track,andpotentialimpacts. 1.OverviewofTyphoonDujuan: TyphoonDujuan,alsoknownasthe21sttyphoonofthe2015Pacifictyphoonseason,madelandfallinTaiwanandChina.Thestormcausedwidespreaddamage,claiminglives,andcausingsignificanteconomiclosses.UnderstandingtheprecipitationstructureofDujuanisessentialforassessingitspotentialimpactandoptimizingdisasterresponse. 2.IntroductiontoGPMSatellite: TheGPMsatelliteisajointmissionbetweenNASAandtheJapanAerospaceExplorationAgency(JAXA).Itsprimaryobjectiveistoprovideaccurateandgloballyconsistentmeasurementsofprecipitation.GPMcarriesadvancedinstruments,includingtheDual-frequencyPrecipitationRadar(DPR)andtheGPMMicrowaveImager(GMI).Theseinstrumentsprovidevaluabledataonthespatialdistribution,intensity,andverticalstructureofprecipitationwithinatyphoon. 3.AnalysisofPrecipitationStructureusingGPMData: a.RainfallDistribution:GPMsatellitedataenablesthemappingofrainfalldistributionwithinatyphoon.Byanalyzingthepatternsofprecipitation,suchastheextentandintensity,meteorologistscanidentifyregionsofheavyrainfallandpotentialflood-proneareas. b.VerticalStructureandVerticalRainProfiles:GPM'sDPRprovidesverticalrainprofiles,allowingscientiststostudytheintensityofrainatdifferentaltitudes.Thisdatahelpsinunderstandingtheverticalstructureofprecipitation,whichiscriticalforassessingthepotentialforintenserainfall,convectivesystems,andstormdynamics. c.RainfallRates:GPMmeasurementsprovideaccurateestimate