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Core Metadata Specification

Specification of metadata and associated relational schema


Core Metadata mapping for swaths (datasets)


Element Description
Relational Destination
EOS Source
WASTAC CAPS HDF attribute
Swath id
t_swath_metadata
(assigned)
(assigned)
Title or Swath Name
t_swath_metadata
LONGNAME
:title
Swath Start Time
t_swath_metadata
RANGEBEGINNINGDATE & RANGEBEGINNINGTIME:UTC_start
Swath End Time
t_swath_metadata
RANGEENDINGDATE &
RANGEENDINGTIME
Day/Night
t_swath_metadata
DAYNIGHTFLAG

Orbit
t_swath_metadata
ORBITNUMBER (problem - aways 1?)
:orbitNumber
Programme
t_instrument(sensor profile)
Indexer sensor profile or argument
Platform
t_instrument
ASSOCIATEDPLATFORMSHORTNAME
Indexer sensor profile or argument
Instrument
t_instrumentASSOCIATEDINSTRUMENTSHORTNAME:satelliteName
Indexed Filename
t_swath_metadata
Indexer sensor profile or argument
or LOCALGRANULEID
Indexer sensor profile or argument
File Format
(eg HDF)
t_swath_metadata
Indexer sensor profile or argumentIndexer sensor profile or argument
Processing Level
(eg l1b)
t_swath_metadata
Indexer sensor profile or argumentIndexer sensor profile or argument
Processing Software
t_swath_metadata
ALGORITHMPACKAGENAME

Processing Software Version
t_swath_metadata
ALGORITHMPACKAGEVERSION

Spatial Resolution
t_swath_metadata
Indexer sensor profile or argumentIndexer sensor profile or argument
Boundary
t_swath_metadata
indexing output?
Indexing output?
Source
(eg receiving station)
t_receiving_station
Indexer sensor profile or argumentIndexer sensor profile or argument



Metadata mapping for tile projected elements


Element Description
 		Relational Destination
EOS Source
Example NOAA Source
Swath id Ref
t_tile_metadata
ORBITNUMBER:orbitNumber
Cloud Flag
 		t_tile_metadata
 MOD35 AMC CLAVR
Sensor Zenith
t_tile_metadata
SensorZenith

Tile id Ref
 		t_tile_metadata
 indexing output
 indexing output
Grid id Ref
t_tile_metadata
indexing output
indexing output


MODIS HDF Extract


Metadata:
  HDFEOSVersion=HDFEOS_V2.12
  HDFEOS_FractionalOffset_10*nscans_MODIS_SWATH_Type_L1B=0
  HDFEOS_FractionalOffset_Max_EV_frames_MODIS_SWATH_Type_L1B=0
  LOCALGRANULEID=mut01_20070401_1310_MOD.fkm
  PRODUCTIONDATETIME=2007-04-01T13:28:49.000Z
  DAYNIGHTFLAG=Night
  REPROCESSINGACTUAL=processed once
  REPROCESSINGPLANNED=further update is anticipated
  SCIENCEQUALITYFLAG=Not Investigated
  AUTOMATICQUALITYFLAGEXPLANATION=not being investigated
  AUTOMATICQUALITYFLAG=Suspect
  QAPERCENTMISSINGDATA=95
  QAPERCENTOUTOFBOUNDSDATA=0
  QAPERCENTINTERPOLATEDDATA=0
  PARAMETERNAME=EV_1KM_RefSB
  SCIENCEQUALITYFLAG=Not Investigated
  AUTOMATICQUALITYFLAGEXPLANATION=not being investigated
  AUTOMATICQUALITYFLAG=Suspect
  QAPERCENTMISSINGDATA=23
  QAPERCENTOUTOFBOUNDSDATA=0
  QAPERCENTINTERPOLATEDDATA=0
  PARAMETERNAME=EV_1KM_Emissive
  EQUATORCROSSINGDATE=2000-01-01
  EQUATORCROSSINGTIME=00:00:00
  ORBITNUMBER=1
  EQUATORCROSSINGLONGITUDE=0.0
  VERSIONID=5
  SHORTNAME=MOD021KM
  INPUTPOINTER=UR_mut01_20070401_1310_MOD.l1a, UR_MOD02_Reflective_LUTs.V5.0.6.2
5.hdf, UR_MOD02_Emissive_LUTs.V5.0.6.25.hdf, UR_MOD02_QA_LUTs.V5.0.6.25.hdf
  GRINGPOINTLONGITUDE=159.503136944049, 132.56099354428, 130.453182078885, 153.2
35243546142
  GRINGPOINTLATITUDE=-36.4616330968517, -40.3180230989016, -22.6525231557599, -1
9.5793849815305
  GRINGPOINTSEQUENCENO=1, 2, 3, 4
  EXCLUSIONGRINGFLAG=N
  RANGEENDINGDATE=2007-04-01
  RANGEENDINGTIME=13:16:02.784341
  RANGEBEGINNINGDATE=2007-04-01
  RANGEBEGINNINGTIME=13:11:08.339764
  PGEVERSION=5.0.6
  ANCILLARYINPUTPOINTER=UR_mut01_20070401_1310_MOD.geo
  ANCILLARYINPUTTYPE=Geolocation
  ASSOCIATEDSENSORSHORTNAME=MODIS
  ASSOCIATEDPLATFORMSHORTNAME=Terra
  ASSOCIATEDINSTRUMENTSHORTNAME=MODIS
  AveragedBlackBodyTemperature= 290.02
  AveragedMirrorTemperature= 277.59
  AveragedFocalPlane1Temperature= 269.75
  AveragedFocalPlane2Temperature= 270.06
  AveragedFocalPlane3Temperature=  83.36
  AveragedFocalPlane4Temperature=  83.02
  CalibrationQuality=marginal
  MissionPhase=EXECUTION
  NadirPointing=Y
  NORTHBOUNDINGCOORDINATE=-19.6578436833677
  SOUTHBOUNDINGCOORDINATE=-40.2993930409964
  EASTBOUNDINGCOORDINATE=159.500222555025
  WESTBOUNDINGCOORDINATE=130.476725288529
  ALGORITHMPACKAGEACCEPTANCEDATE=1999-12-14
  ALGORITHMPACKAGEMATURITYCODE=OPERATIONAL
  ALGORITHMPACKAGENAME=MODIS Level 1B Algorithm Package
  ALGORITHMPACKAGEVERSION=5.0.6.25_Terra
  INSTRUMENTNAME=Moderate Resolution Imaging SpectroRadiometer
  PROCESSINGCENTER=SDPS
  DESCRREVISION=5.0
  PRODUCTIONHISTORY=PGE02:5.0.6.25;PGE01:5.0.2
  LONGNAME=MODIS/Terra Calibrated Radiances 5-Min L1B Swath 1km
  PROCESSINGENVIRONMENT=linux cognac
  Number of Scans=198
  Number of Day mode scans=0
  Number of Night mode scans=151
  Incomplete Scans=67



AVHRR HDF Extract


:satelliteName = "NOAA-17" ;
:title = "NOAA-17 orbit number 24966 starting 2007-04-14T13:29:21.241Z" ;
:orbitNumber = "24966" ;
:UTC_start = "2007-04-14T13:29:21.241Z" ;
:HRPT_fileName = "n17.0704141329_24966" ;

:log = "tcl version: 8.4.14\n",
    "nap version: 6.3.1\n",
<snip>
    "HDF title and history:\n",
    "NOAA-17 orbit number 24966 starting 2007-04-14T13:29:21.241Z\n",
    "2007-05-27T14:20+08 nick write_latitude_longitude hrpt_filename n17.0704141329_24966 hdf_filename n17.0
704141329_24966_l1b.hdf warp_method Unwarped re_angles (satellite|sun)(Azimuth|Zenith)Grid\n",


Database Schema (needs to be updated)

  • Designed using Toad Data Modeler (freeware version).
  • Initial metadata schema to be as minimal as possible - until the project has progressed, the data files themselves will provide the most complete metadata picture.
  • Original dm2 file here
  • Preview below

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