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Element Description

The Granule UR element provides the universal reference id of the granule, which is assigned by the data provider. As a result, the id will vary from granule to granule.

Best Practices

Essentially, the Granule UR should match the granule's long name. 

Examples:

Granule Long Name: AIRS2CCF_NRT.006:AIRS.2018.10.18.189.L2.CC_IR.v6.0.31.0.R18291162512.hdf

Granule UR: AIRS2CCF_NRT.006:AIRS.2018.10.18.189.L2.CC_IR.v6.0.31.0.R18291162512.hdf


Granule Long Name: MA_AMSUA_NOAA17_OMF.001:merra.mon_stdv3d_amsua_noaa17_omf.200212_06z.nc

Granule UR: MA_AMSUA_NOAA17_OMF.001:merra.mon_stdv3d_amsua_noaa17_omf.200212_06z.nc


Element Specification

The Granule UR is required (Cardinality: 1)

ModelElementTypeConstraintsRequired?Cardinality
UMM-GGranuleURString

1 - 250 characters

Yes1

Metadata Validation and QA/QC

All metadata entering the CMR goes through the below process to ensure metadata quality requirements are met. All records undergo CMR validation before entering the system. The process of QA/QC is slightly different for NASA and non-NASA data providers. Non-NASA providers include interagency and international data providers and are referred to as the International Directory Network (IDN).

Please see the expandable sections below for flowchart details.


  • Manual Review
    • Check that the quality description is appropriate for the data set.
    • Identify errors, discrepancies or omissions.
    • Proof all content for conciseness and readability.
  • Automated Review
    • Check for potential broken links.
    • Check that the field length is not greater than 12,000 characters.

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ARC Priority Matrix

Priority CategorizationJustification

This element is categorized as highest priority when:

  • The Quality description contains a spelling or grammatical error.
  • The element is being used incorrectly (i.e. for a purpose other than describing data quality).
  • A broken URL is provided in the Quality element.

This element is categorized as medium priority when:

  • A recommendation is made to change the syntax or content provided the Quality element to improve readability.

This element is categorized as low priority when:

  • A URL provided in the Quality element is a re-direct link (this includes re-directs from http to https).

The element is provided and follows all applicable criteria specified in the best practices section above.

ARC Automated Rules

  • If no value is provided, return is "np."
  • Otherwise, return is "OK."

Dialect Mappings

ECHO 10

Granule UR is required for ECHO 10.

SpecificationPathTypeConstraintsRequired in ECHO10?CardinalityNotes
ECHO 10/GranuleURString

None

Yes1

N/A


Example Mapping

ECHO 10

<GranuleUR>MA_AMSUA_NOAA17_OMF.001:merra.mon_stdv3d_amsua_noaa17_omf.200212_06z.nc</GranuleUR>

UMM

{
  "GranuleUR": "AIRS2CCF_NRT.006:AIRS.2018.10.18.189.L2.CC_IR.v6.0.31.0.R18291162512.hdf",
}

ISO 19115-2 MENDS

Providing the Granule UR element is optional (Cardinality: 0..1)

SpecificationPathTypeNotes
ISO 19115-2 MENDS
/gmi:MI_Metadata/gmd:identificationInfo/gmd:MD_DataIdentification/gmd:citation/gmd:CI_Citation/gmd:identifier/gmd:MD_Identifier/ [=>
[=>gmd:code/gco:CharacterString {the actual value}
[=>gmd:codeSpace/gco:CharacterString= gov.nasa.esdis.umm.granuleur
[=>gmd:description/gco:CharacterString = GranuleUR

String

Maps to the UMM element "Granule
UR"


Example Mapping

ISO 19115-2 MENDS

<gmi:MI_Metadata>
  <gmd:identificationInfo>
    <gmd:DQ_DataIdentification>
      <gmd:citation>
        <gmd:CI_Citation>
          <gmd:identifier>
            <gmd:MD_identifier>
				<gco:CharacterString>AIRS2CCF_NRT.006:AIRS.2018.10.18.189.L2.CC_IR.v6.0.31.0.R18291162512.hdf
              	</gco:CharacterString>
			<gmd:MD_identifier>
          <gmd:identifier>
        <gmd:CI_Citation>
      <gmd:citation>
    <gmd:DQ_DataIdentification>
  <gmd:identificationInfo>
<gmi:MI_Metadata>

UMM

{
  "GranuleUR": "AIRS2CCF_NRT.006:AIRS.2018.10.18.189.L2.CC_IR.v6.0.31.0.R18291162512.hdf",
}

ISO 19115-2 SMAP

Providing the Granule UR element is optional. (Cardinality: 0..1)

SpecificationPathTypeNotes
ISO 19115-2 SMAP


String



Example Mapping

ISO 19115-2 SMAP


UMM

{
  "GranuleUR": "AIRS2CCF_NRT.006:AIRS.2018.10.18.189.L2.CC_IR.v6.0.31.0.R18291162512.hdf",
}

UMM Migration

UMM Version 1.4.0Translation DirectionUMM Version 1.5.0



Future Mappings

ISO 19115-1

Providing the Quality element is optional (Cardinality: 0..1)

SpecificationPathTypeNotes
ISO 19115-1


String



Example Mapping

ISO 19115-1

UMM

{
  "GranuleUR": "AIRS2CCF_NRT.006:AIRS.2018.10.18.189.L2.CC_IR.v6.0.31.0.R18291162512.hdf",
}

Both ISO conventions (19115-1 & 2) have sub-fielded text that more precisely describe the quality assessment of a resource.  Please refer to ISO 19157 (Geographic information – Data quality) for more information about data quality in ISO.

History

UMM Versioning

VersionDateWhat Changed
1.5.001/30/2019No changes were made for Granule UR during the transition from version 1.4.0 to 1.5.0.
1.4.008/01/2018No changes were made for Granule UR during the transition from version 1.3.0 to 1.4.0.

ARC Documentation

VersionDateWhat ChangedAuthor
1.011/2/18Recommendations/priority matrix transferred from internal ARC documentation to wiki spaceJeanne' le Roux
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