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Element Description

Note: This page is a draft/ work in progress

The Paleo Temporal Coverage element defines the time period in which geologic and/or paleoclimate data collection occurred. The element is predominantly used for data collection that occurred prior to 01-01-0001. As a result, it is not an element that is commonly used. 

Best Practices

Paleo Temporal Coverage tags identify time periods where geologic and paleoclimate data collection occurred. The time period tags can be chosen to simply classify the start and end dates for data collection or they can more specifically identify the era, eon and stage, just to name a few tags, for the data collection time period. However, it is suggested that Paleo Temporal Coverage tags are as specific as possible to aid in data discovery. Because the tags are KMS controlled, if a specific tag is not already included in the KMS, a request to have it added can be made through the GCMD Keywords Community Forum.

Examples:

PaleoTemporalCoverage/PaleoStartDate: "560 ka"

PaleoTemporalCoverage/PaleoEndDate: "60 ka"

PaleoTemporalCoverage/ChronostratigraphicUnit: "UUID = a686e751-3639-4cd0-840b-c8ad25c441c1"

PaleoTemporalCoverage/PaleoEon: "PHANEROZOIC"

PaleoTemporalCoverage/PaleoEra: "CENOZOIC"

PaleoTemporalCoverage/PaleoPeriod: "QUATERNARY"

PaleoTemporalCoverage/PaleoEpoch: "PLEISTOCENE"

PaleoTemporalCoverage/PaleoStage: "LATE"


PaleoTemporalCoverage/PaleoStartDate: "175 myr"

PaleoTemporalCoverage/PaleoEndDate: "160 myr"

PaleoTemporalCoverage/ChronostratigraphicUnit: "UUID = 2fc65458-428c-4d02-ae15-f4b0a1c1dc39"

PaleoTemporalCoverage/PaleoEon: "PHANEROZOIC"

PaleoTemporalCoverage/PaleoEra: "MESOZOIC"

PaleoTemporalCoverage/PaleoPeriod: "JURASSIC"


PaleoTemporalCoverage/PaleoStartDate: "100 ka"

PaleoTemporalCoverage/PaleoEndDate: "20 ka"

PaleoTemporalCoverage/ChronostratigraphicUnit: "UUID = af145656-986a-4969-bb77-6e5b2cff1ede"

PaleoTemporalCoverage/PaleoEon: "PHANEROZOIC"





Element Specification


ModelElementTypeUsable Valid ValuesConstraintsRequired?Cardinality
UMM-CPaleoTemporalCoverage/PaleoStartDateStringPaleo Temporal Coverage Paleo Start Date TermsKMS controlled
No0..1
UMM-CPaleoTemporalCoverage/PaleoEndDateStringPaleo Temporal Coverage Paleo End Date TermsKMS controlledNo0..1
UMM-CPaleoTemporalCoverage/ChronostratigraphicUnitStringPaleo Temporal Coverage Chronostratigraphic_Unit TermsKMS controlledNo0..*
UMM-CPaleoTemporalCoverage/ChronostratigraphicUnit/EonString

Paleo Temporal Coverage Chronostratigraphic_Unit_Eon Terms

KMS controlledYes1
UMM-CPaleoTemporalCoverage/ChronostratigraphicUnit/EraStringPaleo Temporal Coverage Chronostratigraphic_Unit_Era TermsKMS controlledNo0..1
UMM-CPaleoTemporalCoverage/ChronostratigraphicUnit/PeriodStringPaleo Temporal Coverage Chronostratigraphic_Unit_Period TermsKMS controlledNo0..1
UMM-CPaleoTemporalCoverage/ChronostratigraphicUnit/EpochStringPaleo Temporal Coverage Chronostratigraphic_Unit_Epoch TermsKMS controlledNo0..1
UMM-CPaleoTemporalCoverage/ChronostratigraphicUnit/StageStringPaleo Temporal Coverage Chronostratigraphic_Unit_Stage TermsKMS controlledNo0..1


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
    • Identify errors, discrepancies or omissions.
    • Verify that all pertinent keywords have been applied.
    • Verify that existing facets and other controlled keyword values are consistent and suitable for the data.
  • Automated Review
    • Check that the field has been populated.
    • Check that the field is populated with a valid value from KMS.
    • Check that the field value is not a duplicate.
    • Check that the 'Detailed_Variable' field length is not greater than 80 characters.

ARC Priority Matrix

Priority CategorizationJustification

This element is categorized as highest priority when:

  • The element is not included at all (for relevant collections).
  • The element is included but is empty.
  • The paleo temporal coverage term does not align with the KMS.
    • The paleo temporal coverage term does not exist in KMS.
    • A term(s) is missing from the hierarchy.
    • A term(s) is placed in the incorrect position of the hierarchy (e.g. an Eon term is placed in the Epoch field).
  • The paleo temporal coverage term is not appropriate for the dataset.

This element is categorized as medium priority when:

  • A recommendation is made to add a relevant paleo temporal coverage term to the metadata.
  • A recommendation is made to add to an existing term in the metadata (i.e. to extend a keyword hierarchy down to a more detailed keyword).

Not Applicable


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

ARC Automated Checks

  • Category
    • If no value is provided, return is: "This is a required field. Recommend providing at least one science keyword hierarchy relevant to this data set. This field should contain the Category keyword as specified in the hierarchy (EARTH SCIENCE). Science keywords are GCMD controlled and should be chosen from the following list: https://gcmdservices.gsfc.nasa.gov/static/kms/sciencekeywords/sciencekeywords.csv?ed_wiki_keywords_page"
    • If the provided value is in the incorrect position of the hierarchy, return is: "<provided value> is in the incorrect position of the project keyword hierarchy."
    • If the provided value does not conform to GCMD, return is: "<provided value> does not conform to GCMD."
  • Topic
    • If no value is provided, return is: "This is a required field. Recommend providing at least one science keyword hierarchy relevant to this data set. This field should contain the Topic keyword as specified in the hierarchy. Science keywords are GCMD controlled and should be chosen from the following list: https://gcmdservices.gsfc.nasa.gov/static/kms/sciencekeywords/sciencekeywords.csv?ed_wiki_keywords_page"
    • If the provided value is in the incorrect position of the hierarchy, return is: "<provided value> is in the incorrect position of the project keyword hierarchy."
    • If the provided value does not conform to GCMD, return is: "<provided value> does not conform to GCMD."
  • Term
    • If no value is provided, return is: "This is a required field. Recommend providing at least one science keyword hierarchy relevant to this data set. This field should contain the Term keyword as specified in the hierarchy. Science keywords are GCMD controlled and should be chosen from the following list: https://gcmdservices.gsfc.nasa.gov/static/kms/sciencekeywords/sciencekeywords.csv?ed_wiki_keywords_page"
    • If the provided value is in the incorrect position of the hierarchy, return is: "<provided value> is in the incorrect position of the project keyword hierarchy."
    • If the provided value does not conform to GCMD, return is: "<provided value> does not conform to GCMD."
  • Variable Level 1 - Variable Level 3
    • If no value is provided, return is "np"
    • If the provided value is in the incorrect position of the hierarchy, return is: "<provided value> is in the incorrect position of the project keyword hierarchy."
    • If the provided value does not conform to GCMD, return is: "<provided value> does not conform to GCMD."
  • Detailed Variable
    • If no value is provided, return is "np"
    • If a value is provided, return is "OK"

<>

Dialect Mappings

DIF 9 (Note: DIF-9 is being phased out and will no longer be supported after 2018)

DIF 10

If provided, Paleo Temporal Coverage Terms are required at the Eon level. Please note: This element falls under Temporal Coverage in DIF 10. 

SpecificationPathTypeConstraintsRequired in DIF 10?CardinalityNotes
DIF 10

/DIF/Paleo_Date_Time/Paleo_Start_Date

String

KMS controlled

No

0..1


DIF 10/DIF/Paleo_Date_Time/Paleo_End_Date
String

KMS controlled

No0..1
DIF 10/DIF/Paleo_Date_Time/Chronostratigraphic_UnitString

KMS controlled

No0..*Ensure the correct uuid is selected for this term.
DIF 10/DIF/Paleo_Date_Time/EonStringKMS controlledYes1
DIF 10/DIF/Paleo_Date_Time/EraStringKMS controlledNo0..1
DIF 10/DIF/Paleo_Date_Time/PeriodStringKMS controlledNo0..1
DIF 10/DIF/Paleo_Date_Time/EpochStringKMS controlledNo0..1
DIF 10/DIF/Paleo_Date_Time/StageStringKMS controlledNo0..1


Example Mapping

DIF 10

<Paleo_Temporal_Coverage>
  <Paleo_Start_Date>560 ka</Paleo_Start_Date>
  <Paleo_End_Date>60 ka</Paleo_End_Date>
  <Chronostratigraphic_Unit>uuid = a686e751-3639-4cd0-840b-c8ad25c441c1</Chronostratigraphic_Unit>
  <Eon>PHANEROZOIC</Eon>
  <Era>CENOZOIC</Era>
  <Period>QUATERNARY</Period>
  <Epoch>PLEISTOCENE</Epoch>
  <Stage>LATE</Stage>
</Paleo_Temporal_Coverage>
<Paleo_Temporal_Coverage>
  <Paleo_Start_Date>100 ka</Paleo_Start_Date>
  <Paleo_End_Date>20 ka</Paleo_End_Date>
  <Chronostratigraphic_Unit>uuid = af145656-986a-4969-bb77-6e5b2cff1ede</Chronostratigraphic_Unit>
  <Eon>PHANEROZOIC</Eon>
</Paleo_Temporal_Coverage>

UMM

PaleoTemporalCoverage: [
  {
    Start Date: "560 ka",
    End Date: "60 ka",
    Chronostratigraphic Unit: "UUID = a686e751-3639-4cd0-840b-c8ad25c441c1",
	Eon: "PHANEROZOIC",
    Era: "CENOZOIC",
	Period: "QUATERNARY",
	Epoch: "PLEISTOCENE",
	Stage: "LATE",
  },
  {
    Start Date: "100 ka",
    End Date: "20 ka",
    Chronostratigraphic Unit: uuid = af145656-986a-4969-bb77-6e5b2cff1ede
	Eon: "PHANEROZOIC",
  }
],

ECHO 10

Paleo Temporal Coverage does not map to ECHO 10.

SpecificationPathTypeConstraintsRequired in ECHO10?CardinalityNotes
ECHO 10N/AN/A

N/A

N/AN/APaleo Temporal Coverage does not map to ECHO10.


Example Mapping

ECHO 10

N/A

UMM

PaleoTemporalCoverage: [
  {
    Start Date: "560 ka",
    End Date: "60 ka",
	Chronostratigraphic Unit: "UUID = a686e751-3639-4cd0-840b-c8ad25c441c1",
    Eon: "PHANEROZOIC",
    Era: "CENOZOIC",
	Period: "QUATERNARY",
	Epoch: "PLEISTOCENE",
	Stage: "LATE",
  },
  {
    Start Date: "100ka",
    End Date: "20ka",
    Eon: "PHANEROZOIC",
  }
],



ISO 19115-2 MENDS

Paleo Temporal Coverage currently does not map to ISO 19115-2 MENDS.

SpecificationPathTypeNotes
ISO 19115-2 MENDS

N/A

N/A


N/A


Example Mapping

ISO 19115-2 MENDS

N/A

UMM

PaleoTemporalCoverage: [
  {
    Start Date: "560 ka",
    End Date: "60 ka",
	Chronostratigraphic Unit: "UUID = a686e751-3639-4cd0-840b-c8ad25c441c1",
    Eon: "PHANEROZOIC",
    Era: "CENOZOIC",
	Period: "QUATERNARY",
	Epoch: "PLEISTOCENE",
	Stage: "LATE",
  },
  {
    Start Date: "100ka",
    End Date: "20ka",
    Eon: "PHANEROZOIC",
  }
],



ISO 19115-2 SMAP

Paleo Temporal Coverage currently does not map to ISO 19115-2 SMAP.

SpecificationPathTypeNotes
ISO 19115-2 SMAP

N/A

N/AN/A


Example Mapping

ISO 19115-2 SMAP

N/A

UMM

PaleoTemporalCoverage: [
  {
    Start Date: "560 ka",
    End Date: "60 ka",
	Chronostratigraphic Unit: "uuid = a686e751-3639-4cd0-840b-c8ad25c441c1",
    Eon: "PHANEROZOIC",
    Era: "CENOZOIC",
	Period: "QUATERNARY",
	Epoch: "PLEISTOCENE",
	Stage: "LATE",
  },
  {
    Start Date: "100ka",
    End Date: "20ka",
    Eon: "PHANEROZOIC",
  }
],



UMM Migration

None

Future Mappings

ISO 19115-1

Paleo Temporal Coverage may one day map to ISO 19115-1.

SpecificationPathTypeNotes
ISO 19115-1

N/A

N/AN/A

ISO 19115-1

N/A

UMM

ScienceKeywords: [
  {
    Category: "EARTH SCIENCE",
    Topic: "BIOSPHERE",
    Term: "VEGETATION",
    VariableLevel1: "VEGETATION INDEX"
    VariableLevel2: "NORMALIZED DIFFERENCE VEGETATION INDEX (NDVI)"
    DetailedVariable: "0.9 DENSITY"
  },
  {
    Category: "EARTH SCIENCE",
    Topic: "BIOSPHERE",
    Term: "VEGETATION",
    VariableLevel1: "EVERGREEN VEGETATION"
  }
],

History

UMM Versioning

VersionDateWhat Changed
1.12.001/22/2019No changes were made for Paleo Temporal Coverage during the transition from version 1.11.0 to 1.12.0.
1.11.011/28/2018No changes were made for Paleo Temporal Coverage during the transition from version 1.10.0 to 1.11.0.
1.10.005/02/2018No changes were made to Paleo Temporal Coverage in the transition from UMM Version 1.9.0 to 1.10.0.
1.9.0

ARC Documentation

VersionDateWhat ChangedAuthor
1.05/4/18Recommendations/priority matrix transferred from internal ARC documentation to wiki spaceJeanne' le Roux



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