Core Metadata for CMA polar satellite ZHAO Licheng National Meteorological Information Center, CMA , GENEVE

Schematic overview of the space-based GOS

The Core Metadata comprises of 8 parts. Part 1. Metadata entity information Part 2. Data resource description information Part 3. Data quality information Part 4. Reference system information Part 5. Coverage information Part 6. Archiving information Part 7. Delivery information Part8. Complemental information A Metadata standard for FENGYUN polar satellite data has been drafted. it is for procedure of data collecting, process, archiving, dissemination.

No.Chinese nameNameAbbreviation 1MD_ MD_MetadataMetadata 2 File IdentifiermdFileID 3 LanguagemdLang 4 Character SetmdChar 5 Metadata Created Date StampmdDateSt 6 Metadata Standard NamemdStanName 7 Metadata Standard VersionmdStanVer Part 1. Metadata entity information General information

No. Chinese Name NameAbbreviation 8 MD_ MD_IdentificationIdent 9 Dataset TopicdsTopic 10 Dataset Cross headdsCrosshead 11 AbstractidAbs 12 StatusidStatus 13 Title NameidTitleName 14 Satellite NamesatName 15 Satellite DescriptionsatDesc 16 ( ) Instrument Sensor sensor 17 channel 18 extentdataExtent 19 Orbit ParameterorbParm 20 Spatial Representation TypespatRpType 21 Spatial ResolutiondataScal 22 Data Process MethodproMethod 23 Data Create TimedataCreTime 24 Data Source DescriptionsourceDesc 25 Data SizedataSize Part 2. Data resource information (1/2)

No. Chinese Name NameAbbreviation 26 LanguagedataLang 27 Character SetdataChar 28 KeywordsDesc-Keys 29 Data ConstraintsresConst 30 Data FormatresFormat 31 Contact pointIdPoC 32 MD_ MD_orbit elementsorbEles 33 Epochepoch 34 Semi Major AaxissemiAxis 35 Eccentricity 36 Inclinationinclination 37 Mean Anomalymean-Anomaly 38 Ascensionascension 39 Perigeeperigee 40 Periodperiod 41 Latitude of SubPointSubsatLatitude 42 Longitude of SubPointsubsatLongitude 43 AltitudesateAltitud 44 Orbit NumberorbNum Part 2. Data resource information (2/2)

No. NameAbbreviation 45 DQ_ DQ_data QualityDataQual 46 statementdqStatement 47 gradedqGrade 48 abnormaldqabnormal 49 sourcedqSource Part 3. Data quality information

No. Chinese Name NameAbbreviation 50 MD_ MD_reference SystemrefSystem 51 Reference System identifierrefSysID 52 MD_ MD Coordinate Reference systemMdCoRefSys 53 Projectionprojection 54 ellipsoid 55RS_ RS_Reference SystemRefSys Part 4. Reference system information Data process information

No.Chinese NameNameAbbreviation 56 EX_ EX_ExtentExtent 57 DescriptionexDesc 58 Geographic ElementgeoEle 59 Temporal ElementtempEle 60 Vertical ElementvertEle 61 EX_ EX-Geographic ExtentgeoExtent 62 Geographic DescriptiongeoDesc 63 Geographic Bounding BoxGeoBnd-Box 64 West Bound LongitudewestBL 65 East Bound LongitudeeastBL 66 South Bound LatitudesouthBL 67 North Bound LatitudenorthBL Part 5. Coverage information (1/2)

No.Chinese NameNameAbbreviation 68 EX- Extend -Temporal ExtentTempExtent 69 Begin Date and Timebegin 70 End Date and TimeEnd 71 Data FrequencydataFreq 72 EX- Extent -Vertical ExtentVertExtent 73 Maximum ValuevertMaxVal 74 Minimum ValuevertMinVal 75 Unit Of MeasurevertUoM Part 5. Coverage information (2/2)

No.Chinese NameNameAbbreviation 76 MD_ Data Archives InformationarcInfo 77 Archive TimearcTime 78 Archive StatusarcStatus 79 Archive Temporal LimitarcTempLimit 80 Archive PositionarcPosition 81 Archive System NamearcSysName 82 Device namedevice 83 Media namemedia 84 Volume NumberVolNo 85 Volume PositionVolPos 86 Archive Transition RecordarcTranRec 87 Archive Refresh RecordarcRefRec Part 6. Archiving information

No.Chinese NameNameAbbreviation 88 MD_ MD_distributionInfodistribInfo 89 Distribution FormatdistribFormat 90 Format NamedistForName 91 Data VersiondistForVer 92 Decompression algorithmfileDecompress 93 Distributordistributor 94 Order ProcessdistorOrdPrc 95 Units Of Distributionunits-ODist 96 Size of DistributionSize-ODIST Part 7. Delivery information Which format to delivery the data to user?

No.SatIDInstrument nameAbbreviationSpecification 1FY-1Multi-channel Visible & Infrared RadiometerMVIRS Band, Wavelength,Pr ecision, Quantity, etc 2FY-1Space Environment MonitorSEM… 3FY-3 Earth Radiation meter ERM… 4FY-3 Green Gas Monitor GGM… 5FY-3 Global Radio Occultation sounding GRO… 6FY-3 Ionosphere photometer IPM… 7FY-3 Infrared Hyper spectrum atmosphere sounder IHSAS… 8FY-3 Infrared Atmosphere sounder IRAS… 9FY-3Moderate Resolution Spectrum ImagerMERSI… 10FY-3Microwave Humidity SounderMWHS… 11FY-3Microwave imagerMWRI… 12FY-3Microwave temperature sounderMWTS… 13FY-3Solar Backscatter Ultraviolet SounderSBUS… 14FY-3Space Environment monitorSEM… 15FY-3Solar Irradiation MonitorSIM… 16FY-3Total Ozone UnitTOU… 17FY-3Wind RadarWindRAD… 18FY-3Visible and Infrared RadiometerVIRR… Part 8. Complemental information (1/2) -- Technique specification of instrument (sensor). How the data observated?

No.Chinese NameName Beijing Geodetic Coordinate System Xian Geodetic Coordinate System Independent Coordinate System 4 World Reference System 5 IAG1979 Geodetic Reference System World Geodesy System-1984 Part 8. Complemental information (2/2) -- Geodetic coordinate system.

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