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referenceSystemInfo
identificationInfo
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identificationInfo
distributionInfo
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dataQualityInfo
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Southern Alaska Coastal Relief Model
 (MI_Metadata)
    fileIdentifier:  gov.noaa.ngdc.mgg.dem:703
    hierarchyLevel:  (MD_ScopeCode) dataset
    contact:  (CI_ResponsibleParty)
        organisationName:  NOAA National Centers for Environmental Information
        contactInfo:  (CI_Contact)
            address:  (CI_Address)
                electronicMailAddress:  ncei.info@noaa.gov
            onlineResource:  (CI_OnlineResource)
                linkage: https://www.ncei.noaa.gov/contact
                name:  NCEI Contact Information
                description:  Information for contacts at NCEI.
                function:  (CI_OnLineFunctionCode) information
        role:  (CI_RoleCode) pointOfContact
    dateStamp:  2020-05-21
    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:  (MD_GridSpatialRepresentation)
        numberOfDimensions:  3
        axisDimensionProperties:  (MD_Dimension)
            dimensionName:  (MD_DimensionNameTypeCode) row
            dimensionSize:  9001
            resolution:
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        axisDimensionProperties:  (MD_Dimension)
            dimensionName:  (MD_DimensionNameTypeCode) vertical
            dimensionSize:  1
        cellGeometry:  (MD_CellGeometryCode) area
        transformationParameterAvailability:  true
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    referenceSystemInfo:  (MD_ReferenceSystem)
        referenceSystemIdentifier:  (RS_Identifier)
            authority:  (CI_Citation)
                title:  World Geodetic System 1984
                alternateTitle:  WGS 84
                date:  (CI_Date)
                    date:  2007-08-27
                    dateType:  (CI_DateTypeCode) revision
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName: (withheld)
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://epsg.org/crs_4326/WGS-84.html
                            name:  WGS 84
                            description:  GML of World Geodetic System 1984 coordinate reference system.
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) resourceProvider
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  European Petroleum Survey Group
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://epsg.org/home.html
                            name:  European Petroleum Survey Group Geodetic Parameter Registry
                            description:  Registry that accesses the EPSG Geodetic Parameter Dataset, which is a structured dataset of Coordinate Reference Systems and Coordinate Transformations.
                            function:  (CI_OnLineFunctionCode) search
                    role:  (CI_RoleCode) publisher
            code:  urn:ogc:def:crs:EPSG::4326
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    referenceSystemInfo:  (MD_ReferenceSystem)
        referenceSystemIdentifier:  (RS_Identifier)
            authority:  (CI_Citation)
                title:  Mean Sea Level depth
                alternateTitle:  MSL depth
                date:  (CI_Date)
                    date:  2012-08-10
                    dateType:  (CI_DateTypeCode) revision
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName: (withheld)
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://epsg.org/crs_5715/MSL-depth.html
                            name:  MSL depth
                            description:  GML for Vertical CRS in EPGS Registry.
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) resourceProvider
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                    organisationName:  European Petroleum Survey Group
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://epsg.org/home.html
                            name:  European Petroleum Survey Group Geodetic Parameter Registry
                            description:  Registry that accesses the EPSG Geodetic Parameter Dataset, which is a structured dataset of Coordinate Reference Systems and Coordinate Transformations.
                            function:  (CI_OnLineFunctionCode) search
                    role:  (CI_RoleCode) publisher
            code:  urn:ogc:def:crs:EPSG::5715
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    identificationInfo:  (MD_DataIdentification)
        citation:  (CI_Citation)
            title:  Southern Alaska Coastal Relief Model
            date:  (CI_Date)
                date:  2009-06-30
                dateType:  (CI_DateTypeCode) publication
            edition:  First
            identifier:  (MD_Identifier)
                authority:  (CI_Citation)
                    title:  International DOI Foundation (IDF)
                    date: (inapplicable)
                code:
                  Anchor:  DOI doi:10.7289/V58G8HMQ
            identifier:  (MD_Identifier)
                authority:  (CI_Citation)
                    title:  NOAA National Centers for Environmental Information
                    date: (inapplicable)
                code:  NCEI Metadata ID: gov.noaa.ngdc.mgg.dem:703
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  NOAA National Centers for Environmental Information
                role:  (CI_RoleCode) publisher
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  NOAA National Geophysical Data Center
                role:  (CI_RoleCode) author
        abstract:  NOAA's National Geophysical Data Center (NGDC) is building coastal-relief models (CRM) for select U.S. coastal regions. Bathymetric, topographic, and shoreline data used in DEM compilation are obtained from various sources, including NGDC, the U.S. National Ocean Service (NOS), the National , the United States Geological Survey (USGS), the National Aeronautics and Space Administration, the Office of Coast Survey (OCS) and other federal, state, and local government agencies, academic institutions, and private companies. DEMs are referenced to the vertical tidal datum of Mean Sea Level (MSL) and horizontal datum of World Geodetic System 1984 (WGS 84). Grid spacings for the Southern Alaska CRM is 24 arc-seconds (~720 meters).
        purpose:  The CRM provides a framework to enable scientists to model wave propagation and ocean circulation. In addition, it may be useful for benthic habitat research, weather forecasting, and environmental stewardship.
        status:  (MD_ProgressCode) completed
        status:  (MD_ProgressCode) historicalArchive
        pointOfContact:  (CI_ResponsibleParty)
            organisationName:  NOAA National Centers for Environmental Information
            contactInfo:  (CI_Contact)
                address:  (CI_Address)
                    electronicMailAddress:  ncei.info@noaa.gov
                onlineResource:  (CI_OnlineResource)
                    linkage: https://www.ncei.noaa.gov/contact
                    name:  NCEI Contact Information
                    description:  Information for contacts at NCEI.
                    function:  (CI_OnLineFunctionCode) information
            role:  (CI_RoleCode) pointOfContact
        pointOfContact:  (CI_ResponsibleParty)
            organisationName:  NOAA National Centers for Environmental Information
            positionName:  DEM Information
            contactInfo:  (CI_Contact)
                address:  (CI_Address)
                    electronicMailAddress:  dem.info@noaa.gov
            role:  (CI_RoleCode) pointOfContact
        resourceMaintenance:  (MD_MaintenanceInformation)
            maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) asNeeded
        graphicOverview:  (MD_BrowseGraphic)
            fileName: https://gis.ngdc.noaa.gov/arcgis/rest/directories/arcgisoutput/DEM_mosaics/DEM_global_mosaic_hillshade_ImageServer/_ags_c0493660_fa20_45af_835e_2525819b9eae.png
            fileDescription:  Thumbnail of DEM
            fileType:  JPG
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Earth Science > Oceans > Bathymetry/Seafloor Topography > Seafloor Topography
            keyword:  Earth Science > Oceans > Bathymetry/Seafloor Topography > Bathymetry
            keyword:  Earth Science > Oceans > Bathymetry/Seafloor Topography > Water Depth
            keyword:  Earth Science > Land Surface > Topography > Terrain Elevation > Topographical Relief Maps
            keyword:  Earth Science > Oceans > Coastal Processes > Coastal Elevation
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  (CI_Citation)
                title:  Global Change Master Directory (GCMD) Science Keywords
                date:  (CI_Date)
                    date:  2020-01-09
                    dateType:  (CI_DateTypeCode) publication
                edition:  9.1
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  NASA Goddard Space Flight Center, Earth Science Data and Information System
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
                            name:  Global Change Master Directory (GCMD) Keywords
                            description:  The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) custodian
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Models/Analyses > DEM > Digital Elevation Model
            type:  (MD_KeywordTypeCode) platform
            thesaurusName:  (CI_Citation)
                title:  Global Change Master Directory (GCMD) Platform Keywords
                date:  (CI_Date)
                    date:  2020-01-09
                    dateType:  (CI_DateTypeCode) publication
                edition:  9.1
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  NASA Goddard Space Flight Center, Earth Science Data and Information System
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
                            name:  Global Change Master Directory (GCMD) Keywords
                            description:  The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) custodian
        descriptiveKeywords:  (MD_Keywords)
            keyword:  ICSU-WDS > International Council for Science - World Data System
            type:  (MD_KeywordTypeCode) project
            thesaurusName:  (CI_Citation)
                title:  Global Change Master Directory (GCMD) Project Keywords
                date:  (CI_Date)
                    date:  2020-01-09
                    dateType:  (CI_DateTypeCode) publication
                edition:  9.1
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  NASA Goddard Space Flight Center, Earth Science Data and Information System
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
                            name:  Global Change Master Directory (GCMD) Keywords
                            description:  The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) custodian
        descriptiveKeywords:  (MD_Keywords)
            keyword:  1 meter - < 30 meters
            type:  (MD_KeywordTypeCode) dataResolution
            thesaurusName:  (CI_Citation)
                title:  Global Change Master Directory (GCMD) Horizontal Data Resolution Keywords
                date:  (CI_Date)
                    date:  2020-01-09
                    dateType:  (CI_DateTypeCode) publication
                edition:  9.1
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  NASA Goddard Space Flight Center, Earth Science Data and Information System
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
                            name:  Global Change Master Directory (GCMD) Keywords
                            description:  The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) custodian
        descriptiveKeywords:  (MD_Keywords)
            keyword:  < 1 meter
            type:  (MD_KeywordTypeCode) dataResolution
            thesaurusName:  (CI_Citation)
                title:  Global Change Master Directory (GCMD) Vertical Data Resolution Keywords
                date:  (CI_Date)
                    date:  2020-01-09
                    dateType:  (CI_DateTypeCode) publication
                edition:  9.1
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  NASA Goddard Space Flight Center, Earth Science Data and Information System
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
                            name:  Global Change Master Directory (GCMD) Keywords
                            description:  The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) custodian
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Coastal Relief
            keyword:  Gridded elevations
            keyword:  Integrated bathymetry and topography
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  (CI_Citation)
                title:  Uncontrolled
                date: (unknown)
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Continent > North America > United States of America > Alaska
            keyword:  Ocean > Pacific Ocean > North Pacific Ocean > Gulf of Alaska
            keyword:  Vertical Location > Land Surface
            keyword:  Vertical Location > Sea Floor
            type:  (MD_KeywordTypeCode) place
            thesaurusName:  (CI_Citation)
                title:  Global Change Master Directory (GCMD) Location Keywords
                date:  (CI_Date)
                    date:  2020-01-09
                    dateType:  (CI_DateTypeCode) publication
                edition:  9.1
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  NASA Goddard Space Flight Center, Earth Science Data and Information System
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
                            name:  Global Change Master Directory (GCMD) Keywords
                            description:  The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) custodian
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Alaska
            keyword:  Southern Alaska
            keyword:  Gulf of Alaska
            keyword:  Bering Sea
            keyword:  Prince William Sound
            keyword:  Aleutian Islands
            type:  (MD_KeywordTypeCode) place
            thesaurusName:  (CI_Citation)
                title:  Uncontrolled
                date: (unknown)
        descriptiveKeywords:  (MD_Keywords)
            keyword:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
            keyword:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
            type:  (MD_KeywordTypeCode) dataCentre
            thesaurusName:  (CI_Citation)
                title:  Global Change Master Directory (GCMD) Data Center Keywords
                date:  (CI_Date)
                    date:  2020-01-09
                    dateType:  (CI_DateTypeCode) publication
                edition:  9.1
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  NASA Goddard Space Flight Center, Earth Science Data and Information System
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
                            name:  Global Change Master Directory (GCMD) Keywords
                            description:  The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) custodian
        resourceConstraints:  (MD_LegalConstraints)
            accessConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives.
        resourceConstraints:  (MD_LegalConstraints)
            useConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose.
        resourceConstraints:  (MD_Constraints)
            useLimitation:  Not to be used for navigation. Although these data are of high quality and useful for planning and modeling purposes, they are not suitable for navigation. For navigation, please refer to the NOS nautical chart series.
        resourceConstraints:  (MD_Constraints)
            useLimitation:  Produced by the NOAA National Centers for Environmental Information. Not subject to copyright protection within the United States.
        resourceConstraints:  (MD_LegalConstraints)
            useLimitation:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Cite as: NOAA National Geophysical Data Center. 2009: Southern Alaska Coastal Relief Model. NOAA National Centers for Environmental Information. https://doi.org/10.7289/V58G8HMQ. Accessed [date].
        aggregationInfo:  (MD_AggregateInformation)
            aggregateDataSetName:  (CI_Citation)
                title:  Coastal Relief Model of Southern Alaska: Procedures, Data Sources, and Analysis
                date:  (CI_Date)
                    date:  2011-06-24
                    dateType:  (CI_DateTypeCode) publication
                citedResponsibleParty:  (CI_ResponsibleParty)
                    positionName: (inapplicable)
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://www.ngdc.noaa.gov/mgg/dat/dems/regional_tr/crm_southak.pdf
                            name:  Coastal Relief Model of Southern Alaska: Procedures, Data Sources and Analysis
                            description:  Report describing the development of the Southern Alaska CRM
                            function:  (CI_OnLineFunctionCode) download
                    role: (inapplicable)
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  E. Lim
                    role:  (CI_RoleCode) originator
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  B.W. Eakins
                    role:  (CI_RoleCode) originator
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  R. Wigley
                    role:  (CI_RoleCode) originator
                otherCitationDetails:  28 pages
            associationType:  (DS_AssociationTypeCode) crossReference
            initiativeType:  (DS_InitiativeTypeCode) userGuide
        language:  eng; USA
        topicCategory:  (MD_TopicCategoryCode) oceans
        topicCategory:  (MD_TopicCategoryCode) geoscientificInformation
        topicCategory:  (MD_TopicCategoryCode) elevation
        extent:  (EX_Extent)
            geographicElement:  (EX_GeographicBoundingBox)
                westBoundLongitude:  170
                eastBoundLongitude:  230
                southBoundLatitude:  48.50
                northBoundLatitude:  66.50
            temporalElement:  (EX_TemporalExtent)
                extent:
                  TimePeriod:
                    beginPosition:  1888-01-01
                    endPosition:  2009-01-01
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    identificationInfo:  (SV_ServiceIdentification)
        citation:  (CI_Citation)
            title:  Digital Elevation Models: Color Shaded Relief ArcGIS Image Service
            date:  (CI_Date)
                date:  2011-10-19
                dateType:  (CI_DateTypeCode) creation
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, Department of Commerce
                contactInfo:  (CI_Contact)
                    onlineResource:  (CI_OnlineResource)
                        linkage: https://ngdc.noaa.gov/mgg/coastal/coastal.html
                        protocol:  HTTPS
                        name:  Integrated Models of Coastal Relief at NGDC
                        description:  Please see website for more information about Coastal DEMs.
                        function:  (CI_OnLineFunctionCode) information
                role:  (CI_RoleCode) publisher
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, Department of Commerce
                contactInfo:  (CI_Contact)
                    onlineResource:  (CI_OnlineResource)
                        linkage: https://noaa.maps.arcgis.com/home/item.html?id=feb3c625dc094112bb5281c17679c769
                        protocol:  HTTPS
                        name:  NOAA GeoPlatform Entry for Digital Elevation Models Global Mosaic (Color Shaded Relief)
                        description:  NOAA GeoPlatform listing for Digital Elevation Models Global Mosaic (Color Shaded Relief)
                        function:  (CI_OnLineFunctionCode) information
                role:  (CI_RoleCode) publisher
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, Department of Commerce
                contactInfo:  (CI_Contact)
                    onlineResource:  (CI_OnlineResource)
                        linkage: https://noaa.maps.arcgis.com/home/item.html?id=d41f39c8a6684c54b62c8f1ab731d5ad
                        protocol:  ESRI:ArcGIS
                        name:  NOAA GeoPlatform Entry for DEM Footprints ArcGIS Map Service
                        description:  A map service showing the location and coverage of land and seafloor digital elevation models (DEMs) available.
                        function:  (CI_OnLineFunctionCode) search
                role:  (CI_RoleCode) publisher
        abstract:  This is an ArcGIS image service showing color shaded relief visualizations of high-resolution digital elevation models (DEMs) of U.S. coastal regions. NOAA's National Geophysical Data Center (NGDC) builds and distributes high-resolution coastal digital elevation models (DEMs) that integrate ocean bathymetry and land topography to support NOAA's mission to understand and predict changes in Earth's environment, and conserve and manage coastal and marine resources to meet our Nation's economic, social, and environmental needs. They can be used for modeling of coastal processes (tsunami inundation, storm surge, sea-level rise, contaminant dispersal, etc.), ecosystems management and habitat research, coastal and marine spatial planning, and hazard mitigation and community preparedness. DEMs included in this visualization: High-resolution DEMs of select U.S. coastal communities and surrounding areas. Most are at a resolution of 1/3 to 1 arc-second (approx 10-30 m); U.S. Coastal Relief Model: A 3 arc-second (approx 90 m) comprehensive view of the conterminous U.S. coastal zone, Puerto Rico, and Hawaii; Southern Alaska Coastal Relief Model: A 24 arc-second (approx. 500 m) model of Southern Alaska, spanning the Bering Sea, Aleutian Islands, and Gulf of Alaska. This map service can be used as a basemap. It has a transparent background, so it can also be shown as a layer on top of a different basemap. Please see NGDC's corresponding DEM Footprints map service for polygon footprints and more information about the individual DEMs used to create this composite view.
        pointOfContact:  (CI_ResponsibleParty)
            individualName:  NCEI GIS Team
            organisationName:  NOAA National Centers for Environmental Information
            contactInfo:  (CI_Contact)
                address:  (CI_Address)
                    electronicMailAddress:  ncei.gis@noaa.gov
            role:  (CI_RoleCode) pointOfContact
        descriptiveKeywords:  (MD_Keywords)
            keyword:  DATA ANALYSIS AND VISUALIZATION > GEOGRAPHIC INFORMATION SYSTEMS > WEB-BASED GEOGRAPHIC INFORMATION SYSTEMS
            keyword:  DATA MANAGEMENT/DATA HANDLING > DATA SEARCH AND RETRIEVAL
            keyword:  DATA ANALYSIS AND VISUALIZATION > VISUALIZATION/IMAGE PROCESSING
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  (CI_Citation)
                title:  Global Change Master Directory (GCMD) Service Keywords
                date:  (CI_Date)
                    date:  2020-01-09
                    dateType:  (CI_DateTypeCode) publication
                edition:  9.1
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  NASA Goddard Space Flight Center, Earth Science Data and Information System
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
                            name:  Global Change Master Directory (GCMD) Keywords
                            description:  The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) custodian
        resourceConstraints:  (MD_Constraints)
            useLimitation:  These data not to be used for navigation. Although these data are of high quality and useful for planning and modeling purposes, they are not suitable for navigation. For official navigation products, please refer to the U.S. nautical charts available from the NOAA Office of Coast Survey: http://www.nauticalcharts.noaa.gov.
        serviceType:
          LocalName:  ArcGIS Image Service
        serviceTypeVersion:  10.7
        extent:  (EX_Extent)
            geographicElement:  (EX_GeographicBoundingBox)
                extentTypeCode:  1
                westBoundLongitude:  -180
                eastBoundLongitude:  180
                southBoundLatitude:  -90
                northBoundLatitude:  90
        couplingType:  (SV_CouplingType) tight
        containsOperations:  (SV_OperationMetadata)
            operationName:  ArcGIS for Server REST endpoint for image service
            DCP: (unknown)
            connectPoint:  (CI_OnlineResource)
                linkage: https://gis.ngdc.noaa.gov/arcgis/rest/services/DEM_mosaics/DEM_global_mosaic_hillshade/ImageServer
                protocol:  ESRI:ArcGIS
                applicationProfile:  ArcGIS Map Service
                name:  Digital Elevation Models Global Mosaic (Color Shaded Relief) ArcGIS Image Service
                description:  REST endpoint for Digital Elevation Models Global Mosaic (Color Shaded Relief) ArcGIS image service
                function:  (CI_OnLineFunctionCode) search
        containsOperations:  (SV_OperationMetadata)
            operationName:  WMS Get Capabilities
            DCP:
            connectPoint:  (CI_OnlineResource)
                linkage: https://gis.ngdc.noaa.gov/arcgis/rest/services/DEM_mosaics/DEM_global_mosaic_hillshade/ImageServer/WMSServer?request=GetCapabilities&service=WMS
                protocol:  OGC:WMS
                applicationProfile:  Open Geospatial Consortium Web Map Service (WMS)
                name:  Digital Elevation Models Global Mosaic (Color Shaded Relief) Web Map Service (WMS)
                description:  Capabilities document for Open Geospatial Consortium Web Map Service for Digital Elevation Models Global Mosaic (Color Shaded Relief)
                function:  (CI_OnLineFunctionCode) search
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    identificationInfo:  (SV_ServiceIdentification)
        citation:  (CI_Citation)
            title:  NCEI Digital Elevation Model Extents ArcGIS Feature Layer
            date:  (CI_Date)
                date:  2022-10-24
                dateType:  (CI_DateTypeCode) creation
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, Department of Commerce
                contactInfo:  (CI_Contact)
                    onlineResource:  (CI_OnlineResource)
                        linkage: https://www.ncei.noaa.gov/products/coastal-elevation-models
                        protocol:  HTTPS
                        name:  Coastal Elevation Models at NCEI
                        function:  (CI_OnLineFunctionCode) information
                role:  (CI_RoleCode) publisher
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, Department of Commerce
                contactInfo:  (CI_Contact)
                    onlineResource:  (CI_OnlineResource)
                        linkage: https://noaa.maps.arcgis.com/home/item.html?id=0afa88a1701749dbbf76fcadca4f77f3
                        protocol:  HTTPS
                        name:  NOAA GeoPlatform Entry for NCEI Digital Elevation Model (DEM) Extents
                        description:  NOAA GeoPlatform listing for NCEI Digital Elevation Model (DEM) Extents
                        function:  (CI_OnLineFunctionCode) information
                role:  (CI_RoleCode) publisher
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, Department of Commerce
                contactInfo:  (CI_Contact)
                    onlineResource:  (CI_OnlineResource)
                        linkage: https://noaa.maps.arcgis.com/home/item.html?id=c876e3c96a8642ab8557646a3b4fa0ff
                        protocol:  HTTPS
                        name:  NOAA GeoPlatform Entry for DEM Global Mosaic (Elevation Values)
                        description:  NOAA GeoPlatform listing for DEM Global Mosaic (Elevation Values)
                        function:  (CI_OnLineFunctionCode) information
                role:  (CI_RoleCode) publisher
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, Department of Commerce
                contactInfo:  (CI_Contact)
                    onlineResource:  (CI_OnlineResource)
                        linkage: https://noaa.maps.arcgis.com/home/item.html?id=e11ebaeb19544bb18c2afe440f063062
                        protocol:  HTTPS
                        name:  NOAA GeoPlatform Entry for DEM Global Mosaic (Color Shaded Relief)
                        description:  Shaded relief visualization of a global seamless bathymetry/topography mosaic of digital elevation models at NOAA/NCEI.
                        function:  (CI_OnLineFunctionCode) information
                role:  (CI_RoleCode) publisher
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, Department of Commerce
                contactInfo:  (CI_Contact)
                    onlineResource:  (CI_OnlineResource)
                        linkage: https://noaa.maps.arcgis.com/home/item.html?id=e9ba2e7afb7d46cd878b34aa3bfce042
                        protocol:  ESRI:ArcGIS
                        name:  Digital Elevation Models Mosaic (Individual DEMs)
                        description:  An image service providing access to bathymetric/topographic digital elevation models stewarded at NOAA's National Centers for Environmental Information. Either individual DEMs or small subsets can be accessed through this service.
                        function:  (CI_OnLineFunctionCode) search
                role:  (CI_RoleCode) publisher
        abstract:  A map service showing the location and coverage of land and seafloor digital elevation models (DEMs) available from NOAA's National Centers for Environmental Information (NCEI). NCEI builds and distributes high-resolution, coastal digital elevation models (DEMs) that integrate ocean bathymetry and land topography to support NOAA's mission to understand and predict changes in Earth's environment, and conserve and manage coastal and marine resources to meet our Nation's economic, social, and environmental needs. They can be used for modeling of coastal processes (tsunami inundation, storm surge, sea-level rise, contaminant dispersal, etc.), ecosystems management and habitat research, coastal and marine spatial planning, and hazard mitigation and community preparedness. Layers available in the map service: Layers 1-4: DEMs by Category (includes various DEMs, both hosted at NCEI, and elsewhere on the web); Layers 6-11: NCEI DEM Projects (DEMs hosted at NCEI, color-coded by project); Layer 12: All NCEI Bathymetry DEMs (All bathymetry or bathy-topo DEMs hosted at NCEI).
        pointOfContact:  (CI_ResponsibleParty)
            individualName:  NCEI GIS Team
            organisationName:  NOAA National Centers for Environmental Information
            contactInfo:  (CI_Contact)
                address:  (CI_Address)
                    electronicMailAddress:  ncei.gis@noaa.gov
            role:  (CI_RoleCode) pointOfContact
        descriptiveKeywords:  (MD_Keywords)
            keyword:  DATA ANALYSIS AND VISUALIZATION > GEOGRAPHIC INFORMATION SYSTEMS > WEB-BASED GEOGRAPHIC INFORMATION SYSTEMS
            keyword:  DATA MANAGEMENT/DATA HANDLING > DATA SEARCH AND RETRIEVAL
            keyword:  DATA ANALYSIS AND VISUALIZATION > VISUALIZATION/IMAGE PROCESSING
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  (CI_Citation)
                title:  Global Change Master Directory (GCMD) Service Keywords
                date:  (CI_Date)
                    date:  2020-01-09
                    dateType:  (CI_DateTypeCode) publication
                edition:  9.1
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  NASA Goddard Space Flight Center, Earth Science Data and Information System
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
                            name:  Global Change Master Directory (GCMD) Keywords
                            description:  The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) custodian
        resourceConstraints:  (MD_Constraints)
            useLimitation:  These data not to be used for navigation. Although these data are of high quality and useful for planning and modeling purposes, they are not suitable for navigation. For official navigation products, please refer to the U.S. nautical charts available from the NOAA Office of Coast Survey: https://www.nauticalcharts.noaa.gov.
        serviceType:
          LocalName:  ArcGIS Feature Service
        serviceTypeVersion:  11.0
        extent:  (EX_Extent)
            geographicElement:  (EX_GeographicBoundingBox)
                extentTypeCode:  1
                westBoundLongitude:  -180
                eastBoundLongitude:  180
                southBoundLatitude:  -90
                northBoundLatitude:  90
        couplingType:  (SV_CouplingType) tight
        containsOperations:  (SV_OperationMetadata)
            operationName:  ArcGIS Server REST endpoint for feature service
            DCP: (unknown)
            connectPoint:  (CI_OnlineResource)
                linkage: https://services2.arcgis.com/C8EMgrsFcRFL6LrL/arcgis/rest/services/ncei_dem_extents/FeatureServer
                protocol:  HTTPS
                applicationProfile:  ESRI Feature Service REST Specification
                name:  NCEI Digital Elevation Model (DEM) Extents ArcGIS Feature Service
                description:  REST endpoint for NCEI Digital Elevation Model (DEM) Extents ArcGIS Feature Service
                function:  (CI_OnLineFunctionCode) search
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    distributionInfo:  (MD_Distribution)
        distributor:  (MD_Distributor)
            distributorContact:  (CI_ResponsibleParty)
                organisationName:  NOAA National Centers for Environmental Information
                contactInfo:  (CI_Contact)
                    address:  (CI_Address)
                        electronicMailAddress:  ncei.info@noaa.gov
                    onlineResource:  (CI_OnlineResource)
                        linkage: https://www.ncei.noaa.gov/contact
                        name:  NCEI Contact Information
                        description:  Information for contacts at NCEI.
                        function:  (CI_OnLineFunctionCode) information
                role:  (CI_RoleCode) distributor
            distributionOrderProcess:  (MD_StandardOrderProcess)
                fees:  In most cases, electronic downloads of the data are free. However, fees may apply for custom orders, data certifications, copies of analog materials, and data distribution on physical media.
                orderingInstructions:  Contact NCEI for other distribution options and instructions.
            distributorFormat:  (MD_Format)
                name:  netCDF
                version:  4 Classic
            distributorTransferOptions:  (MD_DigitalTransferOptions)
                onLine:  (CI_OnlineResource)
                    linkage: https://www.ncei.noaa.gov/metadata/geoportal/rest/metadata/item/gov.noaa.ngdc.mgg.dem:703/html
                    protocol:  HTTPS
                    name:  Metadata Landing Page
                    function:  (CI_OnLineFunctionCode) information
            distributorTransferOptions:  (MD_DigitalTransferOptions)
                onLine:  (CI_OnlineResource)
                    linkage: https://www.ngdc.noaa.gov/thredds/dodsC/crm/crm_southak.nc.html
                    protocol:  OPeNDAP:OPeNDAP
                    name:  OPeNDAP Dataset Access Form
                    description:  OPeNDAP Dataset Access Form
                    function:  (CI_OnLineFunctionCode) download
            distributorTransferOptions:  (MD_DigitalTransferOptions)
                onLine:  (CI_OnlineResource)
                    linkage: https://www.ngdc.noaa.gov/thredds/fileServer/crm/crm_southak.nc
                    protocol:  HTTPS
                    name:  Download NetCDF File
                    description:  Download NetCDF File
                    function:  (CI_OnLineFunctionCode) download
            distributorTransferOptions:  (MD_DigitalTransferOptions)
                onLine:  (CI_OnlineResource)
                    linkage: https://www.ngdc.noaa.gov/thredds/wcs/crm/crm_southak.nc?service=WCS&version=1.0.0&request=GetCapabilities
                    protocol:  OGC:WCS
                    name:  Web Coverage Service GetCapabilities
                    description:  Web Coverage Service GetCapabilities
                    function:  (CI_OnLineFunctionCode) information
            distributorTransferOptions:  (MD_DigitalTransferOptions)
                onLine:  (CI_OnlineResource)
                    linkage: https://www.ngdc.noaa.gov/thredds/wms/crm/crm_southak.nc?service=WMS&version=1.3.0&request=GetCapabilities
                    protocol:  OGC:WMS
                    name:  Web Map Service GetCapabilities
                    description:  Web Map Service GetCapabilities
                    function:  (CI_OnLineFunctionCode) information
            distributorTransferOptions:  (MD_DigitalTransferOptions)
                onLine:  (CI_OnlineResource)
                    linkage: https://www.ngdc.noaa.gov/thredds/ncss/crm/crm_southak.nc/dataset.html
                    protocol:  HTTPS
                    name:  Download a subset of the NetCDF
                    description:  Download a subset of the NetCDF
                    function:  (CI_OnLineFunctionCode) download
            distributorTransferOptions:  (MD_DigitalTransferOptions)
                onLine:  (CI_OnlineResource)
                    linkage: https://www.ngdc.noaa.gov/thredds/ncml/crm/crm_southak.nc?catalog=https%3A%2F%2Fwww.ngdc.noaa.gov%2Fthredds%2Fcatalog%2Fcrm%2Fcatalog.html&dataset=crmDatasetScan%2Fcrm_southak.nc
                    protocol:  HTTPS
                    name:  NetCDF Markup Language file
                    description:  NetCDF Markup Language file
                    function:  (CI_OnLineFunctionCode) information
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    dataQualityInfo:  (DQ_DataQuality)
        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) repository
            levelDescription:  (MD_ScopeDescription)
                other:  NOAA National Centers for Environmental Information
        lineage:  (LI_Lineage)
            processStep:  (LE_ProcessStep)
                description:  NOAA created the National Centers for Environmental Information (NCEI) by merging NOAA's National Climatic Data Center (NCDC), National Geophysical Data Center (NGDC), and National Oceanographic Data Center (NODC), including the National Coastal Data Development Center (NCDDC), per the Consolidated and Further Continuing Appropriations Act, 2015, Public Law 113-235. NCEI launched publicly on April 22, 2015.
                dateTime:
                  DateTime:  2015-04-22T00:00:00
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    dataQualityInfo:  (DQ_DataQuality)
        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) dataset
        report:  (DQ_AbsoluteExternalPositionalAccuracy)
            nameOfMeasure:  Horizontal Positional Accuracy Report
            evaluationMethodDescription:  The horizontal accuracy of bathymetric and topographic features in the DEM is dependent upon the DEM cell size and the accuracy of the input datasets used to determine corresponding cell values. Topography: NED 2 arc-second DEM: 60 meters, SRTM/CGIAR 3 arc-second DEM: 90 meters, NGDC GLOBE 30 arc-second DEM: 900 meters. DEM cell-value relative-contribution factors: NED 1/3 arc-second DEM: 10, SRTM/CGIAR DEM: 100, NGDC GLOBE DEM: 10. Bathymetry: a few tens of meters to several hundreds of meters. Positional accuracy of input bathymetric datasets limits accuracy of corresponding cell values in DEM. Recent NOS hydrographic data: about 1 meter. Early 20th-century NOS hydrographic soundings are limited by sparseness of deep-water soundings, and potentially large position accuracy of pre-satellite (i.e., GPS) navigation: tens to several hundreds of meters. NGDC multibeam sonar: about 300 meters Where present, recent NOS hydrographic survey data and NGDC multibeam supplant early 20th-centruy NOS hydrographic sounding. NOAA ENC's: ~500 to 1200 meters. NGDC Trackline: ~300 meters. NGDC ETOPO1: ~1800 meters. DEM cell-value relative-contribution factors: NOS hydrographic soundings: 10, NGDC Multibeam: 100, ENC soundings: 10, NGDC Trackline: 0.1, ETOPO1: 0.1. Positional accuracy of input bathymetric-topographic datasets limits accuracy of corresponding cell values in DEM. NGDC bathymetric-topographic DEMs: 30 to 240 meters. DEM cell-value relative-contribution factors: 100.
            result: (missing)
        report:  (DQ_AbsoluteExternalPositionalAccuracy)
            nameOfMeasure:  Vertical Positional Accuracy Report
            evaluationMethodDescription:  The vertical accuracy of bathymetric and topographic features in the DEM is dependent upon the accuracy of the input datasets used to determine corresponding cell values. Topography: NED 2 arc-second DEM: +/- 2.44 meters, SRTM/CGIAR 3 arc-second DEM: +/-10 meters, NGDC GLOBE 30 arc-second DEM: +/- 10 to 250 meters. DEM cell-value relative-contribution factors: NED 2 arc-second DEM: 10, SRTM/CGIAR 3 arc-second DEM: 10, NGDC GLOBE 30 arc-second DEM: 1. Bathymetry: 30 meters to 5% of water depth. ENC soundings are sampled from the NOS hydrographic survey charts. Vertical accuracy of input bathymetric datasets limits accuracy of corresponding cells in DEM. GPS-navigated NGDC multibeam sonar sonar data: about 0.1 meter. Early 20th-century NOS hydrographic soundings and some NGDC marine trackline geophysics data are limited by sparseness of deep-water soundings, and potentially large position accuracy of pre-satellite (i.e., GPS) navigation: several tens of meters. Where present, recent NOS hydrographic data supersede early 20th-centruy NOS hydrographic sounding data values in the DEM. The vertical accuracy of ETOPO1 is dependent upon the data sets used to determine corresponding DEM cell values. DEM cell relative-contribution factors: NOS hydrographic soundings: 10, NGDC multibeam: 100, ENC soundings: 10. Gridding interpolation to determine cell values between sparse NOS hydrographic soundings degrades the vertical accuracy of elevations. Bathymetry-topography: NGDC bathymetric-topographic DEMs: dependent upon input datasets.
            result: (missing)
        report:  (DQ_CompletenessCommission)
            evaluationMethodDescription:  NGDC made every effort to obtain all available digital topographic and bathymetric datasets in the region for use in building the DEM.
            result: (unknown)
        report:  (DQ_ConceptualConsistency)
            measureDescription:  Datasets were visually compared internally and externally (with other overlapping datasets and satellite images and maps) in ESRI ArcGIS and Applied Imagery QT Modeler for identification of anomalous elevations or data inconsistencies. Where elevation inconsistencies occurred, the most recent and/or highest resolution data set was selected for use in that region. Elevations in the older and/or lower-resolution datasets were deleted prior to building the DEM.
            result: (unknown)
        lineage:  (LI_Lineage)
            processStep:  (LE_ProcessStep)
                description:  All datasets obtained by NGDC were converted to common horizontal datum of WGS 84 geographic using FME or ArcGIS. They were also converted to common file format, ESRI point shapefiles or digital rasters, for visualization and inspection.
                dateTime:
                  DateTime:  2008-06-15T00:00:00
                processor:  (CI_ResponsibleParty)
                    individualName:  Barry W. Eakins
                    organisationName:  NOAA National Centers for Environmental Information
                    positionName:  Research Scientist
                    contactInfo:  (CI_Contact)
                        phone:  (CI_Telephone)
                            voice:  303-497-6505
                        address:  (CI_Address)
                            deliveryPoint:  325 Broadway, E/GC3
                            city:  Boulder
                            administrativeArea:  Colorado
                            postalCode:  80305-3328
                            country:  USA
                            electronicMailAddress:  Barry.Eakins@noaa.gov
                        hoursOfService:  9am-5pm, M-F, Mountain Time
                        contactInstructions:  Contact Marine Geology and Geophysics Division
                    role:  (CI_RoleCode) pointOfContact
            processStep:  (LE_ProcessStep)
                description:  Datasets were visually inspected with ArcGIS and QT Modeler for identification and editing of data anomalies. Datasets were then compared with overlapping datasets to ensure data consistency.
                dateTime:
                  DateTime:  2008-07-02T00:00:00
            processStep:  (LE_ProcessStep)
                description:  xyz files of the bathymetric data were surfaced using GMT's 'surface' tool onto a 20 arc-second grid that interpolated to fill empty cells. Points extracted every 10 meters along the coastline were also included to ensure that the bathymetric grid reached zero at the coast. The resulting Arc ASCII grid was imported into ArcGIS and clipped to the coastline to remove values over land.
                dateTime:
                  DateTime:  2009-02-15T00:00:00
            processStep:  (LE_ProcessStep)
                description:  xyz files for each input dataset were gridded using MB-System's 'mbgrid' tool, which utilizes a high-tension spline interpolation method to fill grid cells with no input elevation values. Preferential weighting was given to more recent, higher-accuracy datasets. Gridding was performed in quadrants, each with a 5% data buffer. The grids were imported in ArcGIS and seamlessly merged to create the final DEM.
                dateTime:
                  DateTime:  2009-05-20T00:00:00
            processStep:  (LE_ProcessStep)
                description:  The DEM was quantitatively evaluated by comparing the grid against source data files.
                dateTime:
                  DateTime:  2009-05-30T00:00:00
            source:  (LI_Source)
                description:  Source Contribution: hydrographic surveys ; Source Type: online
                sourceCitation:  (CI_Citation)
                    title:  NOS Hydrographic Surveys
                    date:  (CI_Date)
                        date:  2009-01-01
                        dateType:  (CI_DateTypeCode) publication
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  NOAA National Geophysical Data Center
                        role:  (CI_RoleCode) originator
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName: (inapplicable)
                        contactInfo:  (CI_Contact)
                            onlineResource:  (CI_OnlineResource)
                                linkage: https://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html
                                name:  NOS Hydrographic Survey Database
                                description:  Digital database of NOS hydrographic surveys that date back to the late 19th century.
                                function:  (CI_OnLineFunctionCode) download
                        role: (inapplicable)
                sourceExtent:  (EX_Extent)
                    temporalElement:  (EX_TemporalExtent)
                        extent:
                          TimePeriod:
                            beginPosition:  1888-01-01
                            endPosition:  2005-01-01
            source:  (LI_Source)
                description:  Source Contribution: Multibeam bathymetry data ; Source Type: online
                sourceCitation:  (CI_Citation)
                    title:  NGDC Multibeam Bathymetry Database
                    date:  (CI_Date)
                        date:  2008-01-01
                        dateType:  (CI_DateTypeCode) publication
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  NOAA National Geophysical Data Center
                        role:  (CI_RoleCode) originator
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName: (inapplicable)
                        contactInfo:  (CI_Contact)
                            onlineResource:  (CI_OnlineResource)
                                linkage: https://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html
                                name:  NGDC Multibeam Bathymetry Database
                                description:  Multibeam swath sonar survey data
                                function:  (CI_OnLineFunctionCode) download
                        role: (inapplicable)
                sourceExtent:  (EX_Extent)
                    temporalElement:  (EX_TemporalExtent)
                        extent:
                          TimePeriod:
                            beginPosition:  1986-01-01
                            endPosition:  2005-01-01
            source:  (LI_Source)
                description:  Source Contribution: ENC soundings extracted from NOS charts ; Source Type: web
                sourceCitation:  (CI_Citation)
                    title:  Electronic Navigational Chart (ENC) soundings
                    date:  (CI_Date)
                        date:  2009-01-01
                        dateType:  (CI_DateTypeCode) publication
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  OCS > NOAA Office of Coast Survey
                        role:  (CI_RoleCode) originator
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName: (inapplicable)
                        contactInfo:  (CI_Contact)
                            onlineResource:  (CI_OnlineResource)
                                linkage: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm
                                name:  Electronic Navigational Chart (ENC) soundings
                                description:  ENC soundings extracted from NOS charts
                                function:  (CI_OnLineFunctionCode) download
                        role: (inapplicable)
                sourceExtent:  (EX_Extent)
                    temporalElement:  (EX_TemporalExtent)
                        extent:
                          TimeInstant:
                            timePosition:  2008-01-01
            source:  (LI_Source)
                description:  Source Contribution: gridded topography ; Source Type: online
                sourceCitation:  (CI_Citation)
                    title:  Shuttle Radar Topography Mission (SRTM) processed by CGIAR
                    date:  (CI_Date)
                        date:  2008-01-01
                        dateType:  (CI_DateTypeCode) publication
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  NASA > National Aeronautics and Space Administration
                        role:  (CI_RoleCode) originator
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName: (inapplicable)
                        contactInfo:  (CI_Contact)
                            onlineResource:  (CI_OnlineResource)
                                linkage: http://srtm.csi.cgiar.org/
                                name:  Shuttle Radar Topography Mission/CGIAR
                                description:  global topography
                                function:  (CI_OnLineFunctionCode) download
                        role: (inapplicable)
                sourceExtent:  (EX_Extent)
                    temporalElement:  (EX_TemporalExtent)
                        extent:
                          TimeInstant:
                            timePosition:  2000-01-01
            source:  (LI_Source)
                description:  Source Contribution: bathymetry and topography ; Source Type: online
                sourceCitation:  (CI_Citation)
                    title:  NGDC ETOPO1
                    date:  (CI_Date)
                        date:  2008-01-01
                        dateType:  (CI_DateTypeCode) publication
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  NOAA National Geophysical Data Center
                        role:  (CI_RoleCode) originator
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName: (inapplicable)
                        contactInfo:  (CI_Contact)
                            onlineResource:  (CI_OnlineResource)
                                linkage: https://www.ngdc.noaa.gov/mgg/global/global.html
                                name:  NGDC ETOPO1
                                description:  Integrated bathymetric-topographic global DEM
                                function:  (CI_OnLineFunctionCode) download
                        role: (inapplicable)
                sourceExtent:  (EX_Extent)
                    temporalElement:  (EX_TemporalExtent)
                        extent:
                          TimePeriod:
                            beginPosition:  2007-01-01
                            endPosition:  2008-01-01
            source:  (LI_Source)
                description:  Source Contribution: Topographic DEM ; Source Type: online
                sourceCitation:  (CI_Citation)
                    title:  USGS NED topography
                    date:  (CI_Date)
                        date:  2008-01-01
                        dateType:  (CI_DateTypeCode) publication
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  USGS > United States Geological Survey
                        role:  (CI_RoleCode) originator
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName: (inapplicable)
                        contactInfo:  (CI_Contact)
                            onlineResource:  (CI_OnlineResource)
                                linkage: http://seamless.usgs.gov/
                                name:  USGS National Elevation Dataset
                                description:  Digital database of U.S. topography, in raster form (DEM)
                                function:  (CI_OnLineFunctionCode) download
                        role: (inapplicable)
                sourceExtent:  (EX_Extent)
                    temporalElement:  (EX_TemporalExtent)
                        extent:
                          TimePeriod:
                            beginPosition:  1999-01-01
                            endPosition:  2003-01-01
            source:  (LI_Source)
                description:  Source Contribution: NGDC Bathymetric-topographic DEMs ; Source Type: online
                sourceCitation:  (CI_Citation)
                    title:  NGDC Bathymetric-topographic DEMs
                    date:  (CI_Date)
                        date:  2009-01-01
                        dateType:  (CI_DateTypeCode) publication
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  NOAA National Geophysical Data Center
                        role:  (CI_RoleCode) originator
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName: (inapplicable)
                        contactInfo:  (CI_Contact)
                            onlineResource:  (CI_OnlineResource)
                                linkage: https://www.ngdc.noaa.gov/mgg/inundation/tsunami/
                                name:  NGDC Bathymetric-topographic DEMs
                                description:  Integrated bathymetric-topographic DEMs
                                function:  (CI_OnLineFunctionCode) download
                        role: (inapplicable)
                sourceExtent:  (EX_Extent)
                    temporalElement:  (EX_TemporalExtent)
                        extent:
                          TimePeriod:
                            beginPosition:  2006-01-01
                            endPosition:  2009-01-01
            source:  (LI_Source)
                description:  Source Contribution: composite shoreline ; Source Type: online
                sourceCitation:  (CI_Citation)
                    title:  U.S. Fish and Wildlife Service coastline
                    date:  (CI_Date)
                        date:  2006-01-01
                        dateType:  (CI_DateTypeCode) publication
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  U.S. FWS > United States Fish and Wildlife Service
                        role:  (CI_RoleCode) originator
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName: (inapplicable)
                        contactInfo:  (CI_Contact)
                            onlineResource:  (CI_OnlineResource)
                                linkage: http://www.fws.gov/
                                name:  Seamless digital coastline of the state of Alaska compiled from a variety of sources.
                                description:  The U.S. Fish and Wildlife Service has compiled a seamless digital coastline of the State of Alaska from a variety of sources, including: the National Hydrography Dataset, NOAA nautical charts, U.S. Fish and Wildlife Service, National Geographic Topo Software, U.S. Army Corps of Engineers, and Alaska Department of Natural Resources.
                                function:  (CI_OnLineFunctionCode) download
                        role: (inapplicable)
                sourceExtent:  (EX_Extent)
                    temporalElement:  (EX_TemporalExtent)
                        extent:
                          TimePeriod:
                            beginPosition:  1995-01-01
                            endPosition:  2006-01-01
            source:  (LI_Source)
                description:  Source Contribution: shoreline ; Source Type: online
                sourceCitation:  (CI_Citation)
                    title:  NGA Global Shoreline
                    date:  (CI_Date)
                        date:  2000-01-01
                        dateType:  (CI_DateTypeCode) publication
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  NGA > National Geospatial-Intelligence Agency
                        role:  (CI_RoleCode) originator
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName: (inapplicable)
                        contactInfo:  (CI_Contact)
                            onlineResource:  (CI_OnlineResource)
                                linkage: http://msi.nga.mil/NGAPortal/MSI.portal
                                name:  National Geospatial-Intelligence Agency
                                description:  The NGA Global Shoreline Data is an unclassified vector dataset generated by Earth Satellite Corporation
                                function:  (CI_OnLineFunctionCode) download
                        role: (inapplicable)
                sourceExtent:  (EX_Extent)
                    temporalElement:  (EX_TemporalExtent)
                        extent:
                          TimePeriod:
                            beginPosition:  1998-01-01
                            endPosition:  2002-01-01
            source:  (LI_Source)
                description:  Source Contribution: shoreline ; Source Type: online
                sourceCitation:  (CI_Citation)
                    title:  Global Self-consistent, Hierarchical, High-resolution Shoreline (GSHHS)
                    date:  (CI_Date)
                        date:  2005-01-01
                        dateType:  (CI_DateTypeCode) publication
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  NGDC > National Geophysical Data Center
                        role:  (CI_RoleCode) originator
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName: (inapplicable)
                        contactInfo:  (CI_Contact)
                            onlineResource:  (CI_OnlineResource)
                                linkage: https://www.ngdc.noaa.gov/mgg/shorelines/gshhs.html
                                name:  National Geophysical Data Center
                                description:  GSHHS is a high-resolution shoreline data set created from two well-known, public domain data sets.
                                function:  (CI_OnLineFunctionCode) download
                        role: (inapplicable)
                sourceExtent:  (EX_Extent)
                    temporalElement:  (EX_TemporalExtent)
                        extent:
                          TimePeriod:
                            beginPosition:  2003-01-01
                            endPosition:  2010-01-01
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        maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) asNeeded
        maintenanceNote:  Modified for compliance to NCEI Template v1.2.