文档介绍:该【1.4975517参考论文参考论文资料 】是由【学习一点】上传分享,文档一共【5】页,该文档可以免费在线阅读,需要了解更多关于【1.4975517参考论文参考论文资料 】的内容,可以使用淘豆网的站内搜索功能,选择自己适合的文档,以下文字是截取该文章内的部分文字,如需要获得完整电子版,请下载此文档到您的设备,方便您编辑和打印。DeterminationofstratospherictemperatureanddensitybyGOMOS:VerificationwithrespecttohighlatitudeLIDARprofilesfromThule,,,,,,,,,:AIPConferenceProceedings1810,060001(2017);Viewonline:https:///:http://aip./toc/apc/1810/1PublishedbytheAmericanInstituteofPhysicsArticlesyoumaybeinterestedinAll-skyradiativetransfercalculationsforIASIandIASI-NG:Theσ-IASI-ascodeAIPConferenceProceedings1810,040004(2017);-dimensionalraincellsinthemicrowavebandAIPConferenceProceedings1810,040003(2017);,040008(2017);,050003(2017);,050002(2017);-aggregatedparticlesincloudAIPConferenceProceedings1810,050004(2017);:VerificationwithRespecttoHighLatitudeLIDARProfilesfromThule,,a),,b),,3,,4,,,,,,LaboratoryforObservationsandAnalysesofEarthandClimate,Rome,Italy;2SERCOSpA,Frascati,Italy;3ESA/ESRIN,Frascati,Italy;4LaboratoireInteruniversitairedesSystèmesAtmosphériques(LISA),Créteil,France;5DepartmentofPhysics,SapienzaUniversityofRome,Italy;6INGV,Rome,Italy,7EUMETSAT,Darmstadt,)Correspondingauthor:alcide.******@)RosarioQuirino.******@(HRTP)havebeenderivedfrommeasurementsperformedbyGlobalultationofStars(GOMOS),andallowsinvestigatingtheroleofirregularitiesinthedensityandtemperatureprofiles,-basedaerosol/temperatureLIDARatThule,(22-35km),-2009and2009-,,twocasescorrespondingtoinnerandoutervortexconditionsduringthe2008-2009winterarediscussed,,theyplayacrucialroleinthedeterminationoftheQuasiBiennialOscillationcharacteristics[1].urrenceofwaves,especiallywithrelativelysmallwavelength,alsoaffectsthecomparisonbetweendifferentmeasurementsofstratospherictemperatureordensity,especiallywhenanexactco-,,paredensity/(°N,°W;Greenland).LIDARobservationsareperformedinwinterandearlyspring,,parisonstrategy,basedontheonditionsintheobservationregion,andonanimprovedmethodtoextractwavesignalsfromtheprofiles,,(IRS2016),060001-1–060001-4;doi:.978-0-7354-1478-5/$--Visiblechannel(250-675nm)andtwonearinfraredchannels(756-773nmand926-952nm).ThesewavelengthregionsallowretrievingatmosphericverticalprofilesofO3,NO2,NO3,O2,H2O,,twofastphotometersoperateat1kHzsamplingfrequencyintheblue(470-520nm)andinthered(650-700nm)(HRTP),whichdependsonrefractiveindex,<10and35kmaltitude,withaverticalresolutionthatisabout200-(IPF),andhavebeenpubliclyavailablesinceDecember2012(-performance/esa-missions/envisat/gomos/products-and-algorithms/products-information).GOMOSwasflownonboardtheENVISATsatellite,whichoperatedovertheperiod2002-(),atemperature/,aFTIRinstruments,aradio/ozonesondesystem,asun-photometer,ahighresolutionmm-wavespectrometerforposition,(DMI,NCAR,ENEA,INGV,andUniversityofRome).TheLIDARusesaNd:YAGlaser,threetelescopes,andfourreceivingchannelstomeasuretheaerosolbackscatterratioanddepolarizationinthetroposphereandlowerstratosphere,andtheatmospherictemperature(T)--locatedandquasi-simultaneousprofilesareincludedinthedataset;;(mapsofstratospherictemperature,T,potentialvorticity,PV,andgeopotentialheight,GPH)toexcludecasesinwhichlargetemperatureorgeopotentialgradientsarepresentaboveThule;,monverticalgridbyapplyingalinearinterpolationtobothGOMOSandLIDARdata,,theLIDARandGOMOSdensityandtemperatureprofileswereindependentlyanalysedbyusingthecontinuouswavelettransform(CWT),-frequencyrepresentationofthesignaloffersaverygoodspaceandfrequencylocalization,,whichhasproventogiveagoodresolutioninspaceaswellasinfrequency,hasbeenselected[2].ThewaveletanalysiswascarriedoutseparatelyontheLIDARandGOMOStemperature/,thewavesignalisestimatedforthetwoprofiles,urrenceofwavestructures,,thusprovidingwave-freeprofiles,,,-2SELECTEDCASESTUDIESMeteorologicalanalysesfromNCEP(availableat/)wereusedtocharacterizetheconditionsandspatialhomogeneityaroundThuleduringthecoincidencesinthelowerstratosphereduringyears2007,2009,,T,-,thetemperature,andthepotentialvorticity,respectively,,outsidethevortex,,wedistinguishedaClass1(yellowsquare)representingprofileswithlowvariabilityandinnervortexconditions,andaClass2(orangesquare),>0°(SSW),[3].Figure2showstheGOMOSandLIDARprofilesobtainedon15January,,-:Timeseriesof(top)geopotentialheight,(middle)temperature,and(bottom)potentialvorticityat5mbabovepresentintheGOMOSandLIDARtemperatureprofilesThuleinJanuary-,--,,however,[4].Finally,asexpecteditispossibletoseethatGOMOStemperaturefluctuations(expressedinK)andairdensityfluctuations(expressedinpercentages)areperfectlyanti---3Figure2:fromlefttoright:rawGOMOSandLIDARtemperatureprofiles;wave-freetemperatureprofiles;temperatureperturbations;densityperturbationsfortheprofilesof15January,:sameasFigure2,butfor25January,,overtheyears2003--scaleverticalfluctuations,producingwave-,aswellastominimisetheimpactoftheatmosphericfluctuationsinthevalidationofprofiledata,r