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Metadata Identifier: gov.noaa.ngdc:G00129

Aggregation Info | Bands | Citations | Constraints | Coverage Descriptions | Dimensions | Extents | Formats | Geographic Bounding Box
Georectified Information | Georeferenceable Information | Identifiers | Instruments | Mediums | OnlineResources | Operations
Platforms | Process Steps | Range Elements | Reference Systems | Responsible Parties | Series | Sources | Spatial Grids | Temporal Extents

MD_DataIdentification

Count Component Title Abstract
1 NGDC Marine Trackline Geophysics Database This data set contains bathymetry, magnetic, gravity and seismic shot point navigation data collected during marine cruises from 1939 to the present. Coverage is worldwide. These data are stored in the MGD77 exchange format and are available for download in a variety of user selectable formats. One Header record and multiple Data records are available for a particular cruise/leg (port to port operation). The Header record documents both the content and the structure of the subsequent Data records, containing that part of the data that remains invariant throughout the cruise. The Data records present geophysical data (bathymetry, magnetics and gravity) and seismic information (shot-point identification) with a corresponding time and position. Documentation that varies within the cruise is also included with the data records. Data are fully searchable on-line by geographic area, year of cruise, institution, platform, cruise, date or data type.
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SV_Identification

Unresolved Xlinks
Geophysical Trackline Data ArcGIS Map Service at: /gmi:MI_Metadata/gmd:identificationInfo[2]
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CI_Citation

Count Component Title Date Citation Identifier
1 INFOTERRA Keyword Thesaurus
    1 NGDC Marine Trackline Geophysics Database
      1977-01-01
    Unresolved Xlinks
    GCMD Science Keywords at: /gmi:MI_Metadata/gmd:identificationInfo[1]/gmd:MD_DataIdentification[1]/gmd:descriptiveKeywords[1]/gmd:MD_Keywords[1]/gmd:thesaurusName[1]
    GCMD Location Keywords at: /gmi:MI_Metadata/gmd:identificationInfo[1]/gmd:MD_DataIdentification[1]/gmd:descriptiveKeywords[5]/gmd:MD_Keywords[1]/gmd:thesaurusName[1]
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    CI_Series

    none found
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    CI_ResponsibleParty

    Count Component Individual Organization Position Email Role Linkage
    1 custodian https://www.ngdc.noaa.gov/mgg/geodas/trackline.html
    1 DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce (comp.) originator
    1 National Geophysical Data Center publisher
    1 Private Companies originator
    1 U.S. and Foreign Academic Institutions originator
    1 U.S. and Foreign Government Agencies originator
    Unresolved Xlinks
    Trackline Team at: /gmi:MI_Metadata/gmd:contact[1]
    NCEI (publisher) at: /gmi:MI_Metadata/gmd:identificationInfo[1]/gmd:MD_DataIdentification[1]/gmd:citation[1]/gmd:CI_Citation[1]/gmd:citedResponsibleParty[1]
    Brian Meyer at: /gmi:MI_Metadata/gmd:identificationInfo[1]/gmd:MD_DataIdentification[1]/gmd:pointOfContact[1]
    Trackline Team at: /gmi:MI_Metadata/gmd:distributionInfo[1]/gmd:MD_Distribution[1]/gmd:distributor[1]/gmd:MD_Distributor[1]/gmd:distributorContact[1]
    Anna Milan at: /gmi:MI_Metadata/gmd:metadataMaintenance[1]/gmd:MD_MaintenanceInformation[1]/gmd:contact[1]
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    CI_OnlineResource

    Count Component Linkage Name Description Function
    1 http://maps.ngdc.noaa.gov/viewers/geophysics/ Geophysical Survey Data Search for Marine Geophysical Trackline Data search
    2 https://www.ngdc.noaa.gov/mgg/geodas/trackline.html Marine Geophysical Trackline Data Home page of Trackline Data information
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    MD_Identifier or RS_Identifier

    Count Component Code
    1 ECHO SOUNDERS
    1 GRAVIMETERS
    1 MAGNETOMETERS
    1 SEISMIC REFLECTION PROFILERS
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    EX_Extent

    Bounding Box Temporal Extent
    Count Component Description West East North South Start End
    1 -180.00 180.00 90.00 -90.00 1939-01-01
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    EX_GeographicBoundingBox

    Count Component West East North South
    1 -180.00 180.00 90.00 -90.00
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    EX_TemporalExtent

    Count Component Start End
    1 1939-01-01
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    MD_Format

    Count Component Name Version specification
    1 MGD77T
    1 XYZ
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    MD_Medium

    none found
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    MD_Constraints

    Unresolved Xlinks
    NOAA Disclaimer at: /gmi:MI_Metadata/gmd:identificationInfo[1]/gmd:MD_DataIdentification[1]/gmd:resourceConstraints[1]
    Not for Navigation at: /gmi:MI_Metadata/gmd:identificationInfo[1]/gmd:MD_DataIdentification[1]/gmd:resourceConstraints[2]
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    MD_ReferenceSystem

    none found
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    MD_GridSpatialRepresentation

    none found
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    MD_Georeferenceable or MI_Georeferenceable

    none found
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    MD_Georectified or MI_Georectified

    none found
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    MD_Dimension

    none found
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    MD_CoverageDescription or MI_CoverageDescription

    none found
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    MD_Band or MI_Band

    none found
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    MI_RangeElementDescription

    none found
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    MD_AggregateInformation

    none found
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    LE_Source or LI_Source

    none found
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    LE_ProcessStep or LI_ProcessStep

    none found
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    MI_Operation

    none found
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    MI_Platform

    none found
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    MI_Instrument

    Count Component Code Type Description
    1 ECHO SOUNDERS
    1 GRAVIMETERS
    1 MAGNETOMETERS
    1 SEISMIC REFLECTION PROFILERS
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