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Element Description

The Granule UR element provides the universal reference identifier of the granule, which is assigned by the data provider. The Id should be unique per data provider. 


Best Practices

Typically, the Granule UR will match the granule's file name. However, other identifying information may be included. The UR must be completely unique when compared to all other data from the same provider (i.e. datasets with the same provider Id in CMR).  

Examples:

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

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. 


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ARC Priority Matrix

Priority CategorizationJustification

This element is categorized as highest priority when:

  • The Granule UR is not provided
  • The Granule UR is incorrect for the granule

Not Applicable


Not Applicable


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

ARC Automated Rules

  • TBD

Dialect Mappings

ECHO 10

Granule UR is required for ECHO 10.

UMM-G ElementECHO 10 PathTypeConstraintsRequired in ECHO10?Cardinality
GranuleURGranuleURString

n/a

Yes1


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

The path where Granule UR is provided in ISO is optional, however, a Granule UR is required for all granule metadata submitted to the CMR (Cardinality: 0..1).

UMM-G ElementISO PathTypeNotes
GranuleUR

/gmi:MI_Metadata/gmd:identificationInfo/gmd:MD_DataIdentification/gmd:citation/gmd:CI_Citation/gmd:identifier/gmd:MD_Identifier/ [=>

[=>gmd:code/gco:CharacterString {the actual Granule UR}

[=>gmd:codeSpace/gco:CharacterString= gov.nasa.esdis.umm.granuleur

[=>gmd:description/gco:CharacterString = GranuleUR

String

Provide the GranuleUR in the gmd:code field.

Provide the string"gov.nasa.esdis.umm.granuleur" in the gmd:codeSpace field. The CMR will use this string to parse out the appropriate GranuleUR value.

Also provide the string "GranuleUR" in the gmd:description field. The CMR will use this string to parse out the appropriate GranuleUR value.


Example Mapping

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>AIRS2CCF_NRT.006:AIRS.2018.10.18.189.L2.CC_IR.v6.0.31.0.R18291162512.hdf</gco:CharacterString>
              </gmd:code>
              <gmd:codeSpace>
                <gco:CharacterString>gov.nasa.esdis.umm.granuleur</gco:CharacterString>
              </gmd:codeSpace>
              <gmd:description>
                <gco:CharacterString>GranuleUR</gco:CharacterString>
              </gmd:description>
            </gmd:MD_Identifier>
          </gmd:identifier>
        </gmd:CI_Citation>
      </gmd:citation>
    </gmd:MD_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

The path where Granule UR is provided in ISO is optional, however, a Granule UR is required for all granule metadata submitted to the CMR (Cardinality: 0..1).

UMM-G ElementISO PathTypeNotes
GranuleUR

/gmd:DS_Series/gmd:composedOf/gmd:DS_DataSet/gmd:has/gmi:MI_Metadata/gmd:identificationInfo/gmd:MD_DataIdentification/ gmd:citation/gmd:CI_Citation/gmd:title/gco:CharacterString {the actual Granule UR}

with

/gmd:DS_Series/gmd:composedOf/gmd:DS_DataSet/gmd:has/gmi:MI_Metadata/gmd:identificationInfo/gmd:MD_DataIdentification/ gmd:purpose/gco:CharacterString = GranuleUR

String

Provide the GranuleUR in the gmd:code field.

Provide the string"gov.nasa.esdis.umm.granuleur" in the gmd:codeSpace field. The CMR will use this string to parse out the appropriate GranuleUR value.

Also provide the string "GranuleUR" in the gmd:description field. The CMR will use this string to parse out the appropriate GranuleUR value.


Example Mapping

ISO 19115-2 SMAP

<gmd:DS_Series>
  <gmd:composedOf>
    <gmd:DS_DataSet>
      <gmd:has>
        <gmi:MI_Metadata>
          <gmd:identificationInfo>
            <gmd:MD_DataIdentification>
              <gmd:purpose>
                <gco:CharacterString>GranuleUR</gco:CharacterString>
              </gmd:purpose>
              <gmd:citation>
                <gmd:CI_Citation>
                  <gmd:title>
                    <gco:CharacterString>AIRS2CCF_NRT.006:AIRS.2018.10.18.189.L2.CC_IR.v6.0.31.0.R18291162512.hdf</gco:CharacterString>
                  </gmd:title>
                </gmd:CI_Citation>
              </gmd:citation>
            </gmd:MD_DataIdentification>
          </gmd:identificationInfo>
        </gmi:MI_Metadata>
      </gmd:has>
    </gmd:DS_DataSet>
  </gmd:composedOf>
</gmd:DS_Series>

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


SpecificationPathTypeNotes
ISO 19115-1

N/A

String

N/A


Example Mapping

ISO 19115-1

N/A

UMM

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

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
1.002/15/2019Recommendations/priority matrix transferred from internal ARC documentation to wiki space

Camille Woods

Jeanne' le Roux

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