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Metadata Identifier: gov.noaa.ngdc.mgg.geology:G00127

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 The NGDC Seafloor Sediment Grain Size Database The NGDC Seafloor Sediment Grain Size Database contains particle size data for over 17,000 seafloor samples worldwide. The file was begun by NGDC in 1976 in response to a need by the Outer Continental Shelf Environmental Assessment Program (OCSEAP) for a detailed, digital file of textural analyses. Data are from OCSEAP studies, academic institutions, environmental baseline studies conducted under contract to the Bureau of Land Management under the Outer Continental Shelf (OCS) Program, and from laboratory reports generated by the U.S. Naval Oceanographic Office. Data include collecting institution, ship, cruise, sample id, latitude/longitude, date of collection, water depth, sampling device, method of analysis, sample weight, sampled interval, raw weight percentages of sediment, within a given phi range. Some samples also have percentages of total gravel, sand, silt, clay, and statistical measurements such as mean, median, skewness, kurtosis, and standard deviation of grain size.
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SV_Identification

none found
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CI_Citation

Count Component Title Date Citation Identifier
1 CIESIN Keyword Thesaurus
    1 European Petroleum Survey Group (EPSG) Geodetic Parameter Registry
    • 2008-11-12
    1 Format 073
    • 1976-12-31
    • 1980-12-31
    1 INFOTERRA Keyword Thesaurus
      1 NASA/GCMD Data Center Keywords
        1 NASA/GCMD Earth Project Keywords
          1 NASA/GCMD Earth Science Keywords
            1 NASA/GCMD Instrument Keywords
              1 NASA/GCMD Location Keywords
                1 NASA/GCMD Platform Keywords
                  1 NASA/Global Change Master Directory (GCMD) Platform Keywords NASA/Global Change Master Directory (GCMD) Platform Keywords
                  • 2008-02-05
                  2 The NGDC Seafloor Sediment Grain Size Database
                  • 1976-12-31
                  • 2000-12-31
                  doi:10.7289/V5G44N6W
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                  CI_Series

                  Count Component Name Issue Identification Page
                  1 Marine Geology and Geophysics (MGG) multiple
                  1 NGDC Format 073
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                  CI_ResponsibleParty

                  Count Component Individual Organization Position Email Role Linkage
                  2 Carla J. Moore - pointOfContact - DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce Carla J. Moore DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce Marine Geology Data Manager carla.j.moore@noaa.gov pointOfContact
                  1 Carla J. Moore - custodian - DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce Carla J. Moore DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce Marine Geology Data Manager geology.info@noaa.gov custodian
                  1 European Petroleum Survey Group http://www.epsg-registry.org/
                  1 Marine Geology Data Manager - distributor - DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce Marine Geology Data Manager DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce Marine Geology Data Manager geology.info@noaa.gov distributor
                  1 Multiple Investigators and projects originator
                  1 GCMD Valids NASA Global Change Master Directory (GCMD) gcmduso@gcmd.gsfc.nasa.gov custodian http://gcmd.nasa.gov/Resources/valids/
                  1 GCMD User Support Office NASA Global Change Master Directory (GCMD) User Support Office gcmduso@gcmd.gsfc.nasa.gov custodian http://gcmd.nasa.gov/index.html
                  1 National Geophysical Data Center originator
                  2 National Geophysical Data Center, NOAA publisher
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                  CI_OnlineResource

                  Count Component Linkage Name Description Function
                  1 No Title http://gcmd.nasa.gov/Resources/valids/ NASA Global Change Master Directory (GCMD) Keyword Page This page describes the NASA GCMD Keywords, how to reference those keywords and provides download instructions. download
                  1 No Title http://gcmd.nasa.gov/index.html NASA Global Change Master Directory (GCMD) Home Page information
                  1 http://www.epsg-registry.org/ European Petroleum Survey Group Geodetic Parameter Dataset Registry that accesses the EPSG Geodetic Parameter Dataset, which is a structured dataset of Coordinate Reference Systems and Coordinate Transformations. search
                  1 http://www.ngdc.noaa.gov/idb/struts/form?dataset=101477&search_look=1&display_look=1&le_0=90&ge_0=-90&ge_1=-180&le_1=180 Data set discovery via the NGDC Marine Geology Inventory Text interface to discover data sets containing grain size analyses archived by NGDC, including data not in the 073 format/grain size database. search
                  1 http://www.ngdc.noaa.gov/mgg/geology/size.html http://www.ngdc.noaa.gov/mgg/geology/size.html Web page of information about the database including links to full documentation and links to download data. information
                  1 http://www.ngdc.noaa.gov/mgg_grainsize/index.jsp http://www.ngdc.noaa.gov/mgg_grainsize/index.jsp Text interface to subset and download data in delimited form. search
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                  MD_Identifier or RS_Identifier

                  Count Component Code
                  1 In Situ/Laboratory Instruments
                  1 SHIPS > SHIPS
                  1 doi:10.7289/V5G44N6W
                  1 urn:ogc:def:crs:EPSG:4326
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                  EX_Extent

                  Bounding Box Temporal Extent
                  Count Component Description West East North South Start End
                  1 Global Ocean -180 180 81.0705 -78.3667 1956-01-01 2000-12-31
                  Unresolved Xlinks
                  #boundingExtent at: /gmi:MI_Metadata/gmd:dataQualityInfo[1]/gmd:DQ_DataQuality[1]/gmd:scope[1]/gmd:DQ_Scope[1]/gmd:extent[1]
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                  EX_GeographicBoundingBox

                  Count Component West East North South
                  1 -180 180 81.0705 -78.3667
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                  EX_TemporalExtent

                  Count Component Start End
                  1 1956-01-01 2000-12-31
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                  MD_Format

                  Count Component Name Version specification
                  1 Text UTF-8 American Standard Code for Information Interchange (ASCII) text format.
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                  MD_Medium

                  none found
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                  MD_Constraints

                  Count Component Use Limitation
                  1 Please cite the originator of the data set, the date downloaded, and the National Geophysical Data Center, NOAA, as the source of the data.
                  1 NGDC Copyright Statement Produced by the NOAA National Geophysical Data Center. Not subject to copyright protection within the United States.
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                  MD_ReferenceSystem

                  Count Component Code Authority Title
                  1 European Petroleum Survey Group (EPSG) Geodetic Parameter Registry urn:ogc:def:crs:EPSG:4326 European Petroleum Survey Group (EPSG) Geodetic Parameter Registry
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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

                  Count Component Attribute Description Content Type
                  1 point The Latitude and Longitude (point) from which a sample of sediment or rock was collected from the sea floor or a lakebed.
                  1 physicalMeasurement Information about the location from which a sample of sediment or rock was collected from the sea floor or a lakebed.
                  1 physicalMeasurement Weight percent of particles within a specified size range.
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                  MD_Band or MI_Band

                  Count Component Identifier Descriptor
                  1 Latitude Distance measured north or south from the equator. Distance north is positive, distance south is negative.
                  1 Longitude Longitude is measured from the Prime Meridian (which is the north/south line that runs through Greenwich, England), values measured east are positive and values measured west are negative.
                  1 Water Depth Meters The depth from the surface of the water to the sea floor or lakebed at the location where a measurement was taken or sample collection was begun.
                  1 weight percent Percentage, by weight, of the particles from a sample or subsample that falls within a specified particle size range. The range may be expressed in milimeters or phi as inidcated in the dataset.
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                  MI_RangeElementDescription

                  none found
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                  MD_AggregateInformation

                  Count Component Title Code Association Type Code
                  1 The NGDC Seafloor Sediment Grain Size Database partOfSeamlessDatabase
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                  LE_Source or LI_Source

                  Count Component Title Date Description
                  1 Unknown multiple investigators, institutions, and funding sources, many under contract to BLM/OCS or OCSEAP
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                  LE_ProcessStep or LI_ProcessStep

                  Count Component DateTime Description
                  1 2000-12-31T00:00:00 Last data processed into database
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                  MI_Operation

                  none found
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                  MI_Platform

                  Count Component Code Description
                  1 SHIPS > SHIPS SHIPS > SHIPS Various ships
                  Unresolved Xlinks
                  SHIPS > SHIPS at: /gmi:MI_Metadata/gmi:acquisitionInformation[1]/gmi:MI_AcquisitionInformation[1]/gmi:platform[1]
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                  MI_Instrument

                  Count Component Code Type Description
                  1 In Situ/Laboratory Instruments In Situ/Laboratory Instruments instrument
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