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Element Description

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

Best Practices

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

Examples:

file name name. However, other identifying information can 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 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.hdfGranule 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).

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Please see the expandable sections below for flowchart details.


Expand
titleGCMD Metadata QA/QC
  • 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.
Expand
titleCMR Validation

<>

Expand
titleARC Metadata QA/QC

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

Not Applicable


Not Applicable

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 novalue is provided, return is "np."

  • Otherwise, return is "OK."
  • Dialect Mappings

    Expand
    titleECHO 10

    ECHO 10

    Granule UR is required for ECHO 10.

    SpecificationPathTypeConstraintsRequired in ECHO10?CardinalityNotes
    ECHO 10/GranuleURString

    Nonen/a

    Yes1

    N/A


    Example Mapping

    Section
    Column
    width50%

    ECHO 10

    No Format
    <GranuleUR>MA_AMSUA_NOAA17_OMF.001:merra.mon_stdv3d_amsua_noaa17_omf.200212_06z.nc</GranuleUR>
    Column
    width50%

    UMM

    No Format
    {
      "GranuleUR": "AIRS2CCF_NRT.006:AIRS.2018.10.18.189.L2.CC_IR.v6.0.31.0.R18291162512.hdf",
    }
    Expand
    titleISO 19115-2 MENDS

    ISO 19115-2 MENDS

    Providing the The path where Granule UR element is provided in ISO is optional, however, a Granule UR is required for all CMR granule metadata (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

    Granule UR}

    [=>gmd:codeSpace/gco:CharacterString=

    gov.nasa.esdis.umm.granuleur

    [=>gmd:description/gco:CharacterString

    =

    GranuleUR

    String

    Maps to the UMM element "Granule
    UR"


    Example Mapping

    Section
    Column
    width50%

    ISO 19115-2 MENDS

    No Format
    <gmi:MI_Metadata>
      <gmd:identificationInfo>
        <gmd:DQMD_DataIdentification>
          <gmd:citation>
            <gmd:CI_Citation>
              <gmd:identifier>
                <gmd:MD_identifier>
    				Identifier>
                  <gmd:code>
                    <gco:CharacterString>AIRS2CCF_NRT.006:AIRS.2018.10.18.189.L2.CC_IR.v6.0.31.0.R18291162512.hdfhdf</gco:CharacterString>
                  	</gco:CharacterString>
    			<gmd:MD_identifier></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</gmd:identifier>
            <gmd</gmd:CI_Citation>
          <gmd</gmd:citation>
        <gmd</gmd:DQMD_DataIdentification>
      <gmd</gmd:identificationInfo>
    <gmi</gmi:MI_Metadata>
    
    
    
    
    
    
    
    
    Column
    width50%

    UMM

    No Format
    {
      "GranuleUR": "AIRS2CCF_NRT.006:AIRS.2018.10.18.189.L2.CC_IR.v6.0.31.0.R18291162512.hdf",
    }
    Expand
    titleISO 19115-2 SMAP

    ISO 19115-2 SMAP

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

    SpecificationPathTypeNotes
    ISO 19115-2 SMAP

    /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 value}where

    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

    Maps to the UMM element "Granule UR"


    Example Mapping

    Section
    Column
    width50%

    ISO 19115-2 SMAP

    No Format
    <gmd:DS_Series>
    
    <gmd:composedOf>
    
    <gmd:DS_
    Dataset>
    DataSet>
    <gmd:has>
    <gmi:MI_Metadata>
      <gmd:identificationInfo>
        <gmd:
    has>
    MD_DataIdentification>
          
    <gmi:MI_Metadata>
    <gmd:purpose>
            
    <gmd:identificationInfo>
    <gco:CharacterString>GranuleUR</gco:CharacterString>
          </gmd:purpose>
          <gmd:
    DataIdentification>
    citation>
            <gmd:CI_Citation>
        
    <gmd:citation>
          <gmd:title>
             
    <gmd:CI_Citation>
     
    <gmd:title>
      <gco:CharacterString>AIRS2CCF_NRT.006:AIRS.2018.10.18.189.L2.CC_IR.v6.0.31.0.R18291162512.
    hdf <
    hdf</gco:CharacterString>
    
              
    <gmd
    </gmd:title>
    
            
    <gmd
    </gmd:CI_
    citation>
    Citation>
          
    <gmd
    </gmd:citation>
        
    <gmd:
    </gmd:MD_DataIdentification>
      
    <gmd:identificationInfo> <gmi
    </gmd:identificationInfo>
    </gmi:MI_Metadata>
        <gmd:has
    
      <gmd:DS_dataset>
     <gmd:composedof>
    <gmd
    
    </gmd:has>
    </gmd:DS_DataSet>
    </gmd:composedOf>
    </gmd:DS_Series>
    Column
    width50%

    UMM

    No Format
    {
      "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

    Expand
    titleISO 19115-1

    ISO 19115-1

    Granule URL does not map to ISO 19115-1.


    SpecificationPathTypeNotes
    ISO 19115-1

    N/A

    String

    N/A


    Example Mapping

    Section
    Column
    width50%

    ISO 19115-1

    No Format
    N/A
    Column
    width50%

    UMM

    No Format
    {
      "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
    1.01102/215/182019Recommendations/priority matrix transferred from internal ARC documentation to wiki space