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Table of Contents
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Element Description

The Production Date Time element provides the exact date and time that the granule was produced by a product generation executive or PGE. 


Best Practices

The Production Date Time element should comply with the ISO 8601 Standard, which is an International Standard for the representation of dates and times. It is recommended that it include the date in YYYY-MM-DD format and the time in Coordinated Universal Time (UTC).

Examples:

"2009-12-14T00:00:00Z"

"2019-02-18T09:05:00Z"


Element Specification

Production Date Time is required (Cardinality: 1)

ModelElementTypeConstraintsRequired?Cardinality
UMM-GDataGranule/ProductionDateTimedateTime

N/A

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).

Lucidchart
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nameCopy of Wiki Page Metadata Evaluation Workflow-1939-51df84
width1102
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Please see the expandable sections below for flowchart details.


Expand
titleGCMD Metadata QA/QC
  • Manual Review
  • Automated Review
Expand
titleCMR Validation

<>

Expand
titleARC Metadata QA/QC

ARC Priority Matrix

Priority CategorizationJustification

This element is categorized as highest priority when:

  • The Production Date Time is not provided.
  • The Production Date Time does not comply with the ISO 8601 Standard.

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

Expand
titleECHO 10

ECHO 10

Production Date Time is required for ECHO 10.

SpecificationPathTypeConstraintsRequired in ECHO10?Cardinality
ECHO 10ProductionDateTimedateTime

n/a

Yes1


Example Mapping

Section
Column
width50%

ECHO 10

No Format
<ProductionDateTime>2009-12-14T00:00:00Z</ProductionDateTime>
Column
width50%

UMM

No Format
"DataGranule": {
  "ProductionDateTime" : "2009-12-14T00:00:00Z"
}
Expand
titleISO 19115-2 MENDS

ISO 19115-2 MENDS

The path where Production Date Time is provided in ISO is optional, however, a Production Date Time is required for all CMR granule metadata (Cardinality: 0..1)

SpecificationPathTypeNotes
ISO 19115-2 MENDS

/gmi:MI_Metadata/gmd:dataQualityInfo/gmd:DQ_DataQuality/gmd:lineage/gmd:LI_Lineage/gmd:processStep/gmi:LE_ProcessStep/gmd:description/gco:CharacterString = ProductionDateTime

with


/gmi:MI_Metadata/gmd:dataQualityInfo/gmd:DQ_DataQuality/gmd:lineage/gmd:LI_Lineage/gmd:processStep/gmi:LE_ProcessStep/gmd:dateTime/gco:DateTime

String

Maps to the UMM element "ProductionDateTime"


Example Mapping

Section
Column
width50%

ISO 19115-2 MENDS

No Format
<gmi:MI_Metadata>
  <gmd:dataQualityInfo>
    <gmd:DQ_DataQuality>
      <gmd:lineage>
        <gmd:LI_Lineage>
          <gmd:processStep>
            <gmi:LE_ProcessStep>
              <gmd:description>
                <gco:CharacterString>ProductionDateTime</gco:CharacterString>
              </gmd:description>
              <gmd:dateTime>
                <gco:DateTime>2009-12-14T00:00:00Z</gco:DateTime>
              </gmd:dateTime>
            </gmi:LE_ProcessStep>
          </gmd:processStep>
        </gmd:LI_Lineage>
      </gmd:lineage>
    </gmd:DQ_DataQuality>
  </gmd:dataQualityInfo>
</gmi:MI_Metadata>
Column
width50%

UMM

No Format
"DataGranule": {
  "ProductionDateTime" : "2009-12-14T00:00:00Z"
}
Expand
titleISO 19115-2 SMAP

ISO 19115-2 SMAP

The path where Production Date Time is provided in ISO is optional, however, a Production Date Time 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:dataQualityInfo/gmd:DQ_DataQuality/gmd:lineage/gmd:LI_Lineage/gmd:processStep/gmi:LE_ProcessStep/gmd:dateTime/gco:DateTime

String

Maps to the UMM element "ProductionDateTime"


Example Mapping

Section
Column
width50%

ISO 19115-2 SMAP

No Format
<gmd:DS_Series>
<gmd:composedOf>
<gmd:DS_DataSet>
<gmd:has>
<gmi:MI_Metadata>
  <gmd:dataQualityInfo>
    <gmd:DQ_DataQuality>
      <gmd:lineage>
	    <gmd:LI_Lineage>
          <gmd:processStep>
            <gmi:LE_ProcessStep>
              <gmd:dateTime>
                <gco:DateTime>2009-12-14T00:00:00Z</gco:DateTime>
              </gmd:dateTime>
            </gmi:LE_ProcessStep>
          </gmd:processStep>
        </gmd:LI_Lineage>
      </gmd:lineage>
    </gmd:DQ_DataQuality>
  </gmd:dataQualityInfo>      
</gmi:MI_Metadata>
</gmd:has>
</gmd:DS_DataSet>
</gmd:composedOf>
</gmd:DS_Series>
Column
width50%

UMM

No Format
"DataGranule": {
  "ProductionDateTime" : "2009-12-14T00:00:00Z"
}

UMM Migration

UMM Version 1.4.0Translation DirectionUMM Version 1.5.0



Excerpt
hiddentrue

Future Mappings

Expand
titleISO 19115-1

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
"DataGranule": {
  "ProductionDateTime" : "2009-12-14T00:00:00Z"
}

History

UMM Versioning

VersionDateWhat Changed
1.6.011/4/2019No changes were made for Production Date Time during the transition from version 1.5.0 to 1.6.0.
1.5.001/30/2019No changes were made for Production Date Time during the transition from version 1.4.0 to 1.5.0.
1.4.008/01/2018No changes were made for Production Date Time 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