数据集描述信息

1、数据集名中文名称全球1x1度区域海温30年气候月平均数据集描述信息数据集代码T8004-2/DS010-6主题自由关键词海温学科主题词主题词主题词表描述Themonthlyoptimuminterpolation(01)fieldsarederivedbyalinearinterpolationoftheweekly01fieldstodailyfieldsthenaveragingthedailyvaluesoveramonth.Themonthlyfieldsareinthesameformatandspatialresolutionastheweeklyfields.The01seasu

2、rfacetemperature(SST)analysisisproducedweeklyonaone-degreegrid.TheanalysisusesinsituandsatelliteSSTsplusSST'ssimulatedbysea-icecover.Beforetheanalysisiscomputed,thesatellitedataisadjustedforbiasesusingthemethodofReynolds(1988)andReynoldsandMarsico(1993).Adescriptionofthe01analysiscanbefoundinRey

3、noldsandSmith(1994).Thebiascorrectionimprovesthelargescaleaccuracyofthe01.ExamplesoftheeffectofrecentcorrectionsisgivenbyReynolds(1993).7orthemorerecentperiod,1990-present,theinsitudatawereobtainedfromradiomessagescarriedontheGlobalTelecommunicationSystem.Thesatelliteobservationswereobtainedfromoper

4、ationaldataproducedbytheNationalenvironmentalSatellite,DataandInformationService(NESDIS).)uringtheperiod1981-1989,theinsitudatawereobtainedfromtheComprehensiveOceanAtmosphereDataSet(COADS)forthe1980s.Thesedata(seeSlutz,etal.,1985,andWoodruff,etal.,1993)consistoflogbookandradioreports.Thesatellitedat

5、awereobtainedfromanalysesofNESDISdataproducedattheUniversityofMiami5sRosentielSchoolofMarineandAtmosphericSciences.The01analysisisdoneoveralloceanareas.Thereisnoanalysisoverland.ThelandvaluesarefilledbyaCressmaninterpolationtoproduceacompletegridforpossibleinterpolation.Theoceanandlandareasaredefine

6、dbyalandseamask.类型02数据量存储量19.9MB记录数数据来源NCARDS277.0数据集提供者134111更新频率01数据集时间创建时间1995-01-01最近修改时间2002-12-31发布时间语种ZH称英文名称字符集URLhttp：/www.atmosphere,离线媒体关联数据集关联数据集名称关联类型关联URL地址观测时次空间编排方式（包括：空间分辨率、空间编排方式、坐标系）经纬度网格分辨率：1°X1°经向：从179.5°W佝东排到179.5°E共360点纬向：从89.5°S向北排到89.5°N共180个点。网

7、格点数：360X180=64800注意：海表温度为rX1°,经纬度网格内的区域平均值，上面给出的起始经纬度值是1°X1°经纬度网格区域中心点的经纬度值垂直层统计特征气候月平均要素参数表要素要素名称海温名称缩写度要素编码计量单位层次类型层次值网格类型经纬度样本类型统计特征气候月平均数据集范围信息学科范围一级分类170二级分类170.15时间范围时间点日期时间段开始时间日期1981.11结束时间日期1997.12空间范围地理名称行政区域名称地理区域名称经纬度范围点范围经度纬度平面范围东部经度-179.5西部经度179.5南部纬度-89.5北部纬度89.5范围描述地理标

8、识数数据质量状况居wg*爹也黑A：X彩氧河如月旬3库人名东传年TUP、时22_一屋息元数落4间个人2尔传年T殍时附录:ProgramtoreadWEEKLY,MONTHLYcompocpsite,andCLIMATOLOGYgrids.Allgridsarelxl,(360,180),(longitude,latitude).Eachglobalgridispreceededbyasingleheaderrecord.ThetablebelowshowsthemeaningoftheheaderrecordvariablesforeachofthethreeSSTdataproducts.IY

9、RST IMST IDSTIYREND INEND IDENDXDAYS INDEXWEEKLY(startdate,yr/mn/day)(enddate,yr/mn/day)7?MONTHLY(yr/mn/1)(yr/mn/day)days/mn?CLIM.(99/mn/l)(99/mn/day)days/mnNote:numericconstantsdenotefixedplace-holdervaluesFollowingtheheaderareintegerSSTvaluesindegreesCtime100,withformat(2014).Thesedataarereadintoi

10、ntegerarrayISST,convertedtodegreeC,andplacedintorealarraySST.Thegeo-locationoftheSSTarrayelementsare:SST(1,1)=179.5W,89.5SSST(1,2)=179.5W,88.5SSST(2,1)=178.5W,89.5SSST(360,180)=179.5E,89.5NNOTES:1) allvalueslessthanorequaltoT.78Careice2) aland/seamaskshouldbeusedtomaskout01SSTanalyzedvaluesnotlocate

11、dintheocean,gramIs.fanddatafileIs.datThemonthlyoptimuminterpolation(01)fieldsarederivedbyalinearinterpolationoftheweekly01fieldstodailyfieldsthenaveragingthedailyvaluesoveramonth.Themonthlyfieldsareinthesameformatandspatialresolutionastheweeklyfields.The01seasurfacetemperature(SST)analysisisp

12、roducedweeklyonaone-degreegrid.TheanalysisusesinsituandsatelliteSST'splusSST'ssimulatedbysea-icecover.Beforetheanalysisiscomputed,thesatellitedataisadjustedforbiasesusingthemethodofReynolds(1988)andReynoldsandMarsico(1993).Adescriptionofthe01analysiscanbefoundinReynoldsandSmith(1994).Thebias

13、correctionimprovesthelargescaleaccuracyofthe01.ExamplesoftheeffectofrecentcorrectionsisgivenbyReynolds(1993).Forthemorerecentperiod,1990-present,theinsitudatawereobtainedfromradiomessagescarriedontheGlobalTelecommunicationSystem.ThesatelliteobservationswereobtainedfromoperationaldataproducedbytheNat

14、ionalEnvironmentalSatellite,DataandInformationService(NESDIS).Duringtheperiod1981-1989,theinsitudatawereobtainedfromtheComprehensiveOceanAtmosphereDataSet(COADS)forthe1980s.Thesedata(seeSlutz,etal.,1985,andWoodruff,etal.,1993)consistoflogbookandradioreports.Thesatellitedatawereobtainedfromanalysesof

15、NESDISdataproducedattheUniversityofMiami'sRosentielSchoolofMarineandAtmosphericSciences.The01analysisisdoneoveralloceanareas.Thereisnoanalysisoverland.ThelandvaluesarefilledbyaCressmaninterpolationtoproduceacompletegridforpossibleinterpolation.Theoceanandlandareasaredefinedbyalandseamask.REFEREN

16、CESReynolds,R.W.,1988:Areal-timeglobalseasurfacetemperatureanalysis.J.Climate,1,75-86.Reynolds,R.W.,1993:ImpactofMountPinatuboaerosolsonsate11ite-derivedSeaSurfaceTemperatures.J.Climate,6,768-774.Reynolds,R.W.andD.C.Marsico,1993:Animprovedreal-timeglobalseasurfacetemperatureanalysis.J.Climate,6,114-

17、119.Reynolds,R.W.andT.MSmith,1994:Improvedglobalseasurfacetemperatureanalyses.J.Climate,7,929-948.Slutz,R.J.,S.J.Lubker,J.D.Hiscox,S.D.Woodruff,R.L.Jenne,D.H.Joseph,P.M.Steuer,J.D.Elms,1985:ComprehensiveOcean-AtmosphereDataSet:Release1.NOAAEnvironmentalResearchLaboratory,Boulder,CO,268pp.Woodruff,S.

18、D.,S.J.Lubker,K.Wolter,S.J.Worley,andJ.D.Elms,1993:ComprehensiveOcean-AtmosphereDataSet(COADS)Releasela:1980-1992.EarthSystemMonitor,Vol.4,No.1,September1993,NOAA.RichardW.Reynolds(INTERNET:)DianeC.Stokes(INTERNET:)ClimateModelingBranchW/NP24Environm

19、entalModelingCenterNationalCentersforEnvironmentalPredictionWorldWeatherBuilding,Room8075200AuthRoadCampSprings,MD20746USAPHONE:(301)763-8396FAX:(301)763-8125AbstractInresponsetothedevelopmentofanewhigherresolutionseasurfacetemperature(SST)analysisattheNationalMeteorologicalCenter(NMC),anewmonthly1-

20、degreeglobalseasurfacetemperatureclimatologywasconstructedfromtwointermediateclimatologies:the2-degreeSSTclimatologypresently,usedatNMCanda1-degreeSSTclimatologyderivedfromthenewanalysis.The2-degreeSSTclimatologyuseda30-year1950-79baseperiodbetweenroughly40Sand60Nbasedoninsitu(shipandbuoy)SSTdatasup

21、plementedby4years(1982-85)ofsatelliteSSTretrievals.The1-degreeSSTclimatologywasbasedonmonthlyanalysesusinginsituSSTdata,satelliteSSTretrievals,andsea-icecoveragedataovera12-yearperiod(1982-93).Thefinalclimatologywascombinedfromthesetwoproductssothata1-degreeresolutionwasmaintainedandthebaseperiodwas

22、adjustedtothe1950-79periodwhereverpossible(approximately40Sand60N).Comparedtothe2-degreeclimatology,the1-degreeclimatologyresolvesequatorialupwellingandfrontsmuchbetter.Thisleadstoabettermatchingofthescalesofthenewanalysisandclimatology.Inaddition,becausethemagnitudesoflarge-scalefeaturesareconsiste

23、ntlymaintainedinboththeolder2-degreeandthenew1-degreeclimatologies,climatemonitoringoflarge-scaleanomalieswillbeminimallyaffectedbytheanalysischange.Theuseof12yearsofsatelliteSSTretrievalsmakesthisnewclimatologyusefulformanyadditionalpurposesbecauseitseffectiveresolutionactuallyapproaches1-degreeeverywhereovertheglobaloceanandbecausethemeanSSTvaluesaremoreaccuratesouthof40Sthanclimatologieswithoutthesedata.Reynolds,R.W.andT.M.Smith,1994:Ahighr