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The NGDC Seafloor Sediment Grain Size Database

spatialRepresentationInfo
referenceSystemInfo
identificationInfo
contentInfo
contentInfo
contentInfo
contentInfo
distributionInfo
dataQualityInfo
metadataMaintenance
acquisitionInformation

 (MI_Metadata)
    fileIdentifier:  gov.noaa.ngdc.mgg.geology:G00127
    language:
      LanguageCode:  eng; USA
    characterSet:  (MD_CharacterSetCode) utf8
    parentIdentifier:  gov.noaa.ngdc:Marine_Geology
    hierarchyLevel:  (MD_ScopeCode) dataset
    contact:  pointOfContact - DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
    dateStamp:  2014-04-23
    metadataStandardName:  ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
    metadataStandardVersion:  ISO 19115-2:2009(E)
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    spatialRepresentationInfo:  https://www.ngdc.noaa.gov/docucomp/b949647a-48e0-47ed-99ed-480a996ec174
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    referenceSystemInfo:  European Petroleum Survey Group (EPSG) Geodetic Parameter Registry
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    identificationInfo:  (MD_DataIdentification)
        citation:  (CI_Citation)
            title:  The NGDC Seafloor Sediment Grain Size Database
            date:  (CI_Date)
                date:  1976-12-31
                dateType:  (CI_DateTypeCode) publication
            date:  (CI_Date)
                date:  2000-12-31
                dateType:  (CI_DateTypeCode) revision
            edition:  First
            identifier:  (MD_Identifier)
                code:
                  Anchor:  DOI doi:10.7289/V5G44N6W
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  Multiple Investigators and projects
                role:  (CI_RoleCode) originator
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  National Geophysical Data Center
                role:  (CI_RoleCode) originator
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  National Geophysical Data Center, NOAA
                role:  (CI_RoleCode) publisher
            presentationForm:  (CI_PresentationFormCode) tableDigital
            series:  (CI_Series)
                name:  Marine Geology and Geophysics (MGG)
                issueIdentification:  multiple
        abstract:  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.
        purpose:  environmental research
        credit:  US Department of Commerce, National Oceanic and Atmospheric Administration (NOAA), NOAA Satellite and Information Service (NESDIS), National Geophysical Data Center (NGDC) and World Data System for Geophysics, Boulder.
        status:  (MD_ProgressCode) completed
        pointOfContact:  pointOfContact - DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
        resourceMaintenance:  (MD_MaintenanceInformation)
            maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) notPlanned
            maintenanceNote:  Although no updates are planned, project-specific updates are possible if resources become available.
        graphicOverview:  (MD_BrowseGraphic)
            fileName: http://www.ngdc.noaa.gov/mgg/image/placer.jpg
            fileDescription:  image of a placer deposit
            fileType:  JPEG
        descriptiveKeywords:  (MD_Keywords)
            keyword:  OCS > Outer Continental Shelf Program
            keyword:  OCSEAP > Outer Continental Shelf Environmental Assessment Project
            type:  (MD_KeywordTypeCode) project
            thesaurusName:  NASA/GCMD Project Keywords
        descriptiveKeywords:  (MD_Keywords)
            keyword:  EARTH SCIENCE > Oceans > Marine Sediments
            keyword:  EARTH SCIENCE > Paleoclimate > Ocean/Lake Records > Sediments
            keyword:  EARTH SCIENCE > Solid Earth > Sediments
            keyword:  EARTH SCIENCE > Oceans > Marine Sediments > Sedimentary Textures
            keyword:  EARTH SCIENCE > Oceans > Marine Environment Monitoring
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  NASA/GCMD Science Keywords
        descriptiveKeywords:  (MD_Keywords)
            keyword:  OCEAN PLATFORMS
            keyword:  LABORATORY
            keyword:  SHIPS > SHIPS
            type:  (MD_KeywordTypeCode) platform
            thesaurusName:  NASA/GCMD Platform Keywords
        descriptiveKeywords:  (MD_Keywords)
            keyword:  CORING DEVICES
            keyword:  GRAB SAMPLERS
            keyword:  PISTON SAMPLERS
            keyword:  SEDIMENT CORERS
            type:  (MD_KeywordTypeCode) instrument
            thesaurusName:  NASA/GCMD Instrument Keywords
        descriptiveKeywords:  (MD_Keywords)
            keyword:  INFOTERRA > Subject disciplines > Marine geology > Marine geology
            keyword:  INFOTERRA > Subject disciplines > Oceanography > Oceanography
            keyword:  INFOTERRA > Environmental management > Resources management > Sea bed mining
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  (CI_Citation)
                title:  INFOTERRA Keyword Thesaurus
                date:
        descriptiveKeywords:  (MD_Keywords)
            keyword:  CIESIN > Environmental Protection > Environmental Monitoring
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  (CI_Citation)
                title:  CIESIN Keyword Thesaurus
                date:
        descriptiveKeywords:  (MD_Keywords)
            keyword:  WDC/GEOPHYSICS, BOULDER > World Data Center for Geophysics, Boulder
            keyword:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
            type:  (MD_KeywordTypeCode) dataCenter
            thesaurusName:  NASA/GCMD Data Center Keywords
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Geographic Region > Global Ocean
            keyword:  Vertical Location > Sea Floor
            type:  (MD_KeywordTypeCode) place
            thesaurusName:  NASA/GCMD Location Keywords
        resourceConstraints:  (MD_LegalConstraints)
            useLimitation:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Cite as: National Geophysical Data Center (1976): The NGDC Seafloor Sediment Grain Size Database. National Geophysical Data Center, NOAA, doi:10.7289/V5G44N6W [date of access]
        resourceConstraints:  (MD_LegalConstraints)
            accessConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Access to this dataset is unrestricted.
        resourceConstraints:  (MD_Constraints)
            useLimitation:  Please cite the originator of the data set, the date downloaded, and the National Geophysical Data Center, NOAA, as the source of the data.
        resourceConstraints:  (MD_Constraints)
            useLimitation:  Produced by the NOAA National Geophysical Data Center. Not subject to copyright protection within the United States.
        resourceConstraints:  (MD_LegalConstraints)
            useConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  While every effort has been made to ensure that these data are accurate and reliable within the limits of the current state of the art, NOAA cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty.
        resourceConstraints:  (MD_SecurityConstraints)
            classification:  (MD_ClassificationCode) unclassified
        aggregationInfo:  (MD_AggregateInformation)
            aggregateDataSetName:  (CI_Citation)
                title:  The NGDC Seafloor Sediment Grain Size Database
                date:  (CI_Date)
                    date:  1976-12-31
                    dateType:  (CI_DateTypeCode)
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  National Geophysical Data Center, NOAA
                    role:  (CI_RoleCode) publisher
                presentationForm:  (CI_PresentationFormCode) tableDigital
                series:  (CI_Series)
                    name:  NGDC Format
                    issueIdentification:  073
                otherCitationDetails:  The 073 grain size format was designed by NGDC to coordinate with associated NODC benthic formats and is a companion to the 074 geotechnical format also designed by NGDC.
            associationType:  (DS_AssociationTypeCode) partOfSeamlessDatabase
            initiativeType:  (DS_InitiativeTypeCode) collection
        spatialRepresentationType:  (MD_SpatialRepresentationTypeCode) vector
        spatialResolution:  (MD_Resolution)
            equivalentScale:
        language:
          LanguageCode:  eng; USA
        characterSet:  (MD_CharacterSetCode) UTF8
        topicCategory:  (MD_TopicCategoryCode) geoscientificInformation
        topicCategory:  (MD_TopicCategoryCode) oceans
        environmentDescription:  Native Dataset Environment: ASCII text
        extent:  (EX_Extent)
            description:  Global Ocean
            geographicElement:  (EX_GeographicBoundingBox)
                westBoundLongitude:  -180
                eastBoundLongitude:  180
                southBoundLatitude:  -78.3667
                northBoundLatitude:  81.0705
            temporalElement:  (EX_TemporalExtent)
                extent:
                  TimePeriod:
                    description:  Sampling Dates
                    beginPosition:  1956-01-01
                    endPosition:  2000-12-31
            verticalElement:  (EX_VerticalExtent)
                minimumValue:
                  Real:  -2000
                maximumValue:
                  Real:  0
                verticalCRS:
        supplementalInformation:  Quality control: Missing data or gross percentage errors are noted. Processing: Data sources include contractors for the Outer Continental Shelf Environmental Assessment Program; contractors for the Outer Continental Shelf Office, Bureau of Land Management; and project managers from academic institutions.
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    contentInfo:  point
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    contentInfo:  physicalMeasurement
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    contentInfo:  physicalMeasurement
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    contentInfo:  (MD_FeatureCatalogueDescription)
        complianceCode:  false
        includedWithDataset:  true
        featureTypes:
          LocalName:
        featureCatalogueCitation:  (CI_Citation)
            title:  Format 073
            date:  (CI_Date)
                date:  1976-12-31
                dateType:  (CI_DateTypeCode) creation
            date:  (CI_Date)
                date:  1980-12-31
                dateType:  (CI_DateTypeCode) revision
            otherCitationDetails:  Entities and attributes are completely described in a text file accompanying the datasets on download.
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    distributionInfo:  (MD_Distribution)
        distributionFormat:  (MD_Format)
            name:  Text
            version:  UTF-8
            specification:  American Standard Code for Information Interchange (ASCII) text format.
        distributor:  (MD_Distributor)
            distributorContact:  Marine Geology Data Manager - distributor - DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
            distributionOrderProcess:  (MD_StandardOrderProcess)
                fees:  free online download
        transferOptions:  (MD_DigitalTransferOptions)
            transferSize:
              Real:  10
            onLine:  (CI_OnlineResource)
                linkage: http://www.ngdc.noaa.gov/mgg/geology/size.html
                protocol:  WWW:LINK-1.0-http--link
                applicationProfile:  Web Browser
                name: http://www.ngdc.noaa.gov/mgg/geology/size.html
                description:  Web page of information about the database including links to full documentation and links to download data.
                function:  (CI_OnLineFunctionCode) information
            onLine:  (CI_OnlineResource)
                linkage: http://www.ngdc.noaa.gov/mgg_grainsize/index.jsp
                protocol:  WWW:LINK-1.0-http--link
                applicationProfile:  Web Browser
                name: http://www.ngdc.noaa.gov/mgg_grainsize/index.jsp
                description:  Text interface to subset and download data in delimited form.
                function:  (CI_OnLineFunctionCode) search
            onLine:  (CI_OnlineResource)
                linkage: 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
                protocol:  WWW:LINK-1.0-http--link
                applicationProfile:  Web Browser
                name:  Data set discovery via the NGDC Marine Geology Inventory
                description:  Text interface to discover data sets containing grain size analyses archived by NGDC, including data not in the 073 format/grain size database.
                function:  (CI_OnLineFunctionCode) search
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    dataQualityInfo:  (DQ_DataQuality)
        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) dataset
            extent:  #boundingExtent
            levelDescription:  (MD_ScopeDescription)
                dataset:  gov.noaa.ngdc.mgg.geology:G00127
        report:  (DQ_AbsoluteExternalPositionalAccuracy)
            nameOfMeasure:  Horizontal Positional Accuracy
            measureDescription:
            evaluationMethodDescription:  The horizontal accuracy of data values is approximately .001 degree of latitude/longitude.
            result:
        report:  (DQ_QuantitativeAttributeAccuracy)
            nameOfMeasure:  Reliability
            measureDescription:
            evaluationMethodDescription:  Quality control: Missing data or gross percentage errors are noted. Processing: Data sources include contractors for the Outer Continental Shelf Environmental Assessment Program; contractors for the Outer Continental Shelf Office, Bureau of Land Management; and project managers from academic institutions.
            result:
        lineage:  (LI_Lineage)
            statement:  Lineage varies by data source. Some data contributed, some coded at NGDC from technical reports.
            processStep:  (LI_ProcessStep)
                description:  Last data processed into database
                dateTime:
                  DateTime:  2000-12-31T00:00:00
            source:  (LI_Source)
                description:  multiple investigators, institutions, and funding sources, many under contract to BLM/OCS or OCSEAP
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    metadataMaintenance:  (MD_MaintenanceInformation)
        maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) notPlanned
        dateOfNextUpdate:  2015-04-23
        maintenanceNote:  Metadata Review Date: 2015-04-23
        contact:  Carla J. Moore - custodian - DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
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    acquisitionInformation:  (MI_AcquisitionInformation)
        instrument:  In Situ/Laboratory Instruments
        platform:  SHIPS > SHIPS