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identificationInfo
distributionInfo
dataQualityInfo
metadataMaintenance
acquisitionInformation

Multibeam Bathymetry Database (MBBDB)
 (MI_Metadata)
    fileIdentifier:  gov.noaa.ngdc:G01034
    hierarchyLevel:  (MD_ScopeCode) series
    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:  2023-09-15
    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_VectorSpatialRepresentation)
        geometricObjects:  (MD_GeometricObjects)
            geometricObjectType:  (MD_GeometricObjectTypeCode) point
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    referenceSystemInfo:  (MD_ReferenceSystem)
        referenceSystemIdentifier:  (RS_Identifier)
            authority: (inapplicable)
            code:  Through the collection reference systems have vaired with time and location. Please see survey level metadata for detailed information.
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    identificationInfo:  (MD_DataIdentification)
        citation:  (CI_Citation)
            title:  Multibeam Bathymetry Database (MBBDB)
            date:  (CI_Date)
                date:  1980
                dateType:  (CI_DateTypeCode) creation
            date:  (CI_Date)
                date:  2023
                dateType:  (CI_DateTypeCode) revision
            date:  (CI_Date)
                date:  2023-09-15
                dateType:  (CI_DateTypeCode) publication
            identifier:  (MD_Identifier)
                authority:  (CI_Citation)
                    title:  International DOI Foundation (IDF)
                    date: (inapplicable)
                code:
                  Anchor:  DOI doi:10.7289/V56T0JNC
            identifier:  (MD_Identifier)
                authority:  (CI_Citation)
                    title:  NOAA National Centers for Environmental Information
                    date: (inapplicable)
                code:  NCEI Metadata ID: gov.noaa.ngdc:G01034
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  NOAA National Centers for Environmental Information
                role:  (CI_RoleCode) author
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  NOAA National Centers for Environmental Information
                role:  (CI_RoleCode) publisher
            otherCitationDetails:  The Multibeam Bathymetry Database went online in 2004
        abstract:  Originally designed for military use, the multibeam echosounder has proved very useful for nautical charting, oceanographic research and modeling, habitat classification, maritime commerce, and recreational applications. The Multibeam Bathymetry Database at NCEI collects and archives multibeam data from the earliest commercial installations (circa 1980) through today's modern high-resolution collections. Data are acquired from a variety of primarily government and academic sources (see individual cruise metadata records for source information) and consist of the raw (as collected) sonar data files. Datasets may also include processed or edited versions of the sonar data, ancillary data, derived products, and/or metadata for the data collection. The Multibeam Bathymetry Database provides data that span the globe and are discoverable and accesible via map interface or text-only search options.
        purpose:  NGDC (now NCEI) established the Multibeam Bathymetry Database to provide a comprehensive database of multibeam bathymetric data on a global scale. The intent of the dataset is to make high-resolution bathymetry available to the public for a wide variety of uses, such as research and earth science analysis. These data are NOT to be used for navigation.
        status:  (MD_ProgressCode) inProgress
        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:  Multibeam Data Manager
            contactInfo:  (CI_Contact)
                phone:  (CI_Telephone)
                    voice:  (303) 497-4613
                    facsimile:  (303) 497-6513
                address:  (CI_Address)
                    electronicMailAddress:  mb.info@noaa.gov
                hoursOfService:  8:00 - 4:30 Mountain
            role:  (CI_RoleCode) pointOfContact
        resourceMaintenance:  (MD_MaintenanceInformation)
            maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) asNeeded
            maintenanceNote:  Updated as needed
        graphicOverview:  (MD_BrowseGraphic)
            fileName: https://ngdc.noaa.gov/mgg/image/multibeam.gif
            fileDescription:  1996: Dr. Lincoln Pratson, INSTAAR/NGDC offshore California gridded multibeam data
            fileType:  gif
        descriptiveKeywords:  (MD_Keywords)
            keyword:  NGDA
            keyword:  National Geospatial Data Asset
            keyword:  Elevation Theme
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  (CI_Citation)
                title:  NGDA Portfolio Themes
                date: (unknown)
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Earth Science > Oceans > Bathymetry/Seafloor Topography > Abyssal Hills/Plains
            keyword:  Earth Science > Oceans > Bathymetry/Seafloor Topography > Bathymetry
            keyword:  Earth Science > Oceans > Bathymetry/Seafloor Topography > Continental Margins
            keyword:  Earth Science > Oceans > Bathymetry/Seafloor Topography > Fracture Zones
            keyword:  Earth Science > Oceans > Bathymetry/Seafloor Topography > Ocean Plateaus/Ridges
            keyword:  Earth Science > Oceans > Bathymetry/Seafloor Topography > Seafloor Topography
            keyword:  Earth Science > Oceans > Bathymetry/Seafloor Topography > Seamounts
            keyword:  Earth Science > Oceans > Bathymetry/Seafloor Topography > Submarine Canyons
            keyword:  Earth Science > Oceans > Bathymetry/Seafloor Topography > Trenches
            keyword:  Earth Science > Oceans > Bathymetry/Seafloor Topography > Water Depth
            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:  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:  Global Ocean
            keyword:  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:  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
        descriptiveKeywords:  (MD_Keywords)
            keyword:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, 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_LegalConstraints)
            useConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Cite as: NOAA National Centers for Environmental Information. 2004: Multibeam Bathymetry Database (MBBDB). [cruise]. NOAA National Centers for Environmental Information. https://doi.org/doi:10.7289/V56T0JNC. Accessed [date].
        resourceConstraints:  (MD_LegalConstraints)
            useConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Data shall NOT be used for navigation. Nautical charts produced and certified by NOAA should be used for navigational purposes. For more information on NOAA's nautical charts go to NOAA's Office of Coast Survey website.
        resourceConstraints:  (MD_LegalConstraints)
            accessConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Data are publicly available and free to use.
        aggregationInfo:  (MD_AggregateInformation)
            aggregateDataSetName:  (CI_Citation)
                title:  Multibeam Bathymetric Data at NOAA/NGDC
                date:  (CI_Date)
                    date:  2020-12-01
                    dateType:  (CI_DateTypeCode) publication
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Virden, W.
                    role:  (CI_RoleCode) originator
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Habermann, T.
                    role:  (CI_RoleCode) originator
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Glover, G.
                    role:  (CI_RoleCode) originator
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Divins, D.
                    role:  (CI_RoleCode) originator
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Sharman, G.
                    role:  (CI_RoleCode) originator
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Fox, C.
                    role:  (CI_RoleCode) originator
                series:  (CI_Series)
                    name:  Bridges Across the Ocean
                    issueIdentification:  OCEANS'04 MTS/IEEE, TECHNO-OCEAN'04 November 9-12, 2004 (conference)
            associationType:  (DS_AssociationTypeCode) crossReference
            initiativeType:  (DS_InitiativeTypeCode) sciencePaper
        spatialRepresentationType:  (MD_SpatialRepresentationTypeCode) vector
        language:  eng; USA
        topicCategory:  (MD_TopicCategoryCode) oceans
        topicCategory:  (MD_TopicCategoryCode) elevation
        extent:  (EX_Extent)
            geographicElement:  (EX_GeographicBoundingBox)
                westBoundLongitude:  -180
                eastBoundLongitude:  180
                southBoundLatitude:  -90
                northBoundLatitude:  90
            temporalElement:  (EX_TemporalExtent)
                extent:
                  TimePeriod:
                    beginPosition:  1980-01-01
                    endPosition:
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    identificationInfo:  (SV_ServiceIdentification)
        citation:  (CI_Citation)
            title:  Multibeam Bathymetric Surveys ArcGIS Map Service
            date:  (CI_Date)
                date:  2012-01-01
                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/bathymetry/multibeam.html
                        name:  Multibeam Bathymetric Data at NCEI
                        description:  Please see website for more information about Multibeam Bathymetric Data. Test
                        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=db08517a205b48c98a9bc53fece67a46
                        name:  NOAA GeoPlatform Entry for Multibeam Bathymetric Surveys
                        description:  NOAA GeoPlatform listing for Multibeam Bathymetric Surveys map service.
                        function:  (CI_OnLineFunctionCode) information
                role:  (CI_RoleCode) publisher
        abstract:  This map service shows ship tracks for multibeam bathymetric surveys archived at NCEI. Attributes are available such as platform name, survey start/end dates, source organization, and links to metadata and data download pages.
        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 Retrival
            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:  None
            useLimitation:  None
        serviceType:
          LocalName:  ArcGIS Map 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 hosted tile layer
            DCP: (unknown)
            connectPoint:  (CI_OnlineResource)
                linkage: https://tiles.arcgis.com/tiles/C8EMgrsFcRFL6LrL/arcgis/rest/services/multibeam_tracklines/MapServer
                protocol:  https
                applicationProfile: https://www.geoplatform.gov/spec/esri-map-rest
                name:  Multibeam Bathymetric Surveys ArcGIS Hosted Tile Layer
                description:  The Multibeam Bathymetric Surveys ArcGIS hosted tile layer provides rapid display of ship tracks from global scales to zoom level 10 (approx. 1:577,000 scale).
                function:  (CI_OnLineFunctionCode) search
        containsOperations:  (SV_OperationMetadata)
            operationName:  ArcGIS for Server REST endpoint for dynamic map service
            DCP: (unknown)
            connectPoint:  (CI_OnlineResource)
                linkage: https://gis.ngdc.noaa.gov/arcgis/rest/services/web_mercator/multibeam_dynamic/MapServer
                protocol:  https
                applicationProfile: https://www.geoplatform.gov/spec/esri-map-rest
                name:  Multibeam Bathymetric Surveys ArcGIS Dynamic Map Service
                description:  The Multibeam Bathymetric Surveys ArcGIS dynamic map service is visible at all scales, and a filter can be applied using the layerDefinitions parameter.
                function:  (CI_OnLineFunctionCode) search
        containsOperations:  (SV_OperationMetadata)
            operationName:  WMS Get Capabilities
            DCP:
            connectPoint:  (CI_OnlineResource)
                linkage: https://gis.ngdc.noaa.gov/arcgis/services/web_mercator/multibeam_dynamic/MapServer/WMSServer?request=GetCapabilities&service=WMS
                protocol:  https
                applicationProfile: https://opengis.net/spec/wms
                name:  Multibeam Bathymetric Surveys Web Map Service (WMS)
                description:  Capabilities document for Open Geospatial Consortium Web Map Service for Multibeam Bathymetric Surveys
                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:  Raw instrument files
                version: (unknown)
            distributorFormat:  (MD_Format)
                name:  ASCII (xml, txt)
                version: (unknown)
            distributorFormat:  (MD_Format)
                name:  Gridded products (bag, sd, xyz)
                version: (unknown)
            distributorFormat:  (MD_Format)
                name:  Images (tif, jpeg)
                version: (unknown)
            distributorFormat:  (MD_Format)
                name:  Geospatial data (asc, kml)
                version: (unknown)
            distributorTransferOptions:  (MD_DigitalTransferOptions)
                onLine:  (CI_OnlineResource)
                    linkage: https://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html
                    protocol:  http
                    name:  Multibeam Bathymetry
                    description:  Information about and access to multibeam bathymetric data at NCEI
                    function:  (CI_OnLineFunctionCode) information
            distributorTransferOptions:  (MD_DigitalTransferOptions)
                onLine:  (CI_OnlineResource)
                    linkage: http://maps.ngdc.noaa.gov/viewers/bathymetry/
                    name:  Bathymetric Data Viewer
                    description:  Map viewer for discovery of bathymetric data - including multibeam sonar data
                    function:  (CI_OnLineFunctionCode) search
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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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    metadataMaintenance:  (MD_MaintenanceInformation)
        maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) asNeeded
        maintenanceNote:  Modified for compliance to NCEI Template v1.2.
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    acquisitionInformation:  (MI_AcquisitionInformation)
        instrument:  (MI_Instrument)
            identifier: (inapplicable)
            type:  Multibeam Echosounder Swath Bathymetry System
        instrument:  (MI_Instrument)
            identifier: (inapplicable)
            type:  Multibeam Echosounder Backscatter System
        instrument:  (MI_Instrument)
            identifier: (inapplicable)
            type:  Sidescan Sonar System