气象信息共享平台及其关键技术研究

X(,100081),,,:;;;21,,,[1],,,,,(WMO)2003(WIS)[2],,,(WWW)WMO(NOAA)2000(NNDC),,[3],[4],[5],[6]2080,[7],,,,,,11.1,()3,,,175200610JOURNALOFAPPLIEDMETEOROLOGICALSCIENCEVol.17,No.5October2006X2006206208,2006208207,,,,,;,,,:IT,,(),;WebService;,1.2,,(1)(2)1,//3,,;,,,,,,:,;;;/,,,/,,,,,,22617,,,,,WMO,IPCC2,,,,,,//,,,,,,,,,2,,,3265:,2.1(metadata),,6,,,(3),[8],,,Web,,,32.2,20,(grid),,,,,,,(data2grid),(API),,[9],,3,,,/,,,,API,,(),,,2.3,PB(1PB=106GB),(HSM)426172.3.1,(OnStore)(NearStore)(OffStore)[10],,,,,,,,,,,,,2.3.2,,,,,,(VirtualTapeLibrary,VTL)VTL,,,,,,2.4,/,,,(datamining),,(DSS)(EIS),,,,OLTP,,,4[11],,,(SQL),,,,,2.544,,;;,,,,,3,,;,;5265:,;,3,33.1(MDSS):,,,[7]MDSS3,:,,MDSS,,MDSS3:(4);;4MDSSMDSS4:;;B/S,;3.2,Internet,[12],,(5),,19,:,()62617,;,,;,,Web;,,541),,,,2),,3),,,,[1],..:,2005:26227.[2]WMO.TheFutureWMOInformationSystemConcept.2003:226.[3],..:,2002:3692371.[4],..,2003,39(28):426.[5],,,..,2003,(1):52254.[6],,.MDS.,2003,(8):123.[7],,,..,2004,15(6):7272736.[8],,,..,2004,15():10216.[9],,..7265:,2002,39(8):9432947.[10],,,..:,2004.[11]..:,2003.[12],..,2004,15():129.MeteorologicalInformationSharingServicePlatformandItsKeyTechnologiesLiJimingShenWenhaiWangGuofu(NationalMeteorologicalInformationCenter,Beijing100081)AbstractMeteorologicalsharingservicesystemplatformisafunctionalintensivesystem.Itsfunctionmainlyconcen2tratesontheshareoftheinformation,andprovidestheconvenientandquicksharingserviceonthemeteoro2logicalinformationforallkindsoftheusersinvariousfieldsandofvariouslevels.Theintensivismofthesystemmeanstheintensiveadministrationofsystematicdataonmeteorologyofdifferentoriginsandcharacteristicsbyusingunifieddatastandardandcriterion.Italsomeanstohavethehighlyefficientcollocationundertheunifiedtoplayerdevisebyusingtheessentialinformationestablishmentefficiently,suchasthecomputers.Meteorologicalsharingservicesystemplatformhascharacteristicsofthestructurewithsystemofdifferentlevelsontheaspectsoflayout,functionallogicandthestorageadministration,etc.Thekeytechnologiesofthesharingplatformofthemeteorologyincludemetadata,datagrid,massstorageandthedatamining.Amongtheabovefourtechniques,metadatatechniqueisthebasictechniqueoftheinformationadministration,discoveryandexchange.Massstorageisthesupportivetechniquewhichefficientlyorganizesandfullymakesuseofcom2puterandstorageequipment.Datagridtechniqueorganicallyintegratesthemetadataandthemassstorageintooneunifiedframe.Dataminingtechniqueisakindofpracticaltechniquewhichprovidestheuserswiththerele2vantandvaluableinformationbasedonthemassdata.Atthesametime,therequirementofsettingupthedatabasearoundthesubjectthatitputsforwarddependsonthepracticalperformanceoftheformerthreetech2niques.Meteorologicalsharingservicesystemplatformhastwocharacteristics.Oneistoprovidethevarioususerswiththeusageoftheinformationsharingresources.Theotheristointegratethemassinformationsources,di2verseinformationresourcesandseparateinformationresources.Thecomprehensiveusageofthemetadata,massstorageandthedataminingbytheframeworkofthedatagridisthemajorcurrentofthetechnicaldevelopmentinestablishingthesharingplatform.Thenationalmeteorologicaldatastoragesystemandthemeteorologicalsci2entificdatasharingsystemwhicharenowunderdevelopment,provideanavailableattemptfortheestablishmentofthesharingplatformofmeteorologyinformationontheaspectsofclassifiedstorageadministrationofthemassinformationandtheintegrationofthedistributingsharingnodebasedonthemetadata.Keywords:meteorologicalinformation;sharingserviceplatform;metadata;datagrid82617