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spatialRepresentationInfo
referenceSystemInfo
referenceSystemInfo
identificationInfo
distributionInfo
dataQualityInfo
metadataMaintenance

2 minute Southcentral Alaska Elevation Grid
 (MI_Metadata)
    fileIdentifier:  gov.noaa.ngdc.mgg.dem:645
    language:  eng; USA
    characterSet:  (MD_CharacterSetCode) utf8
    hierarchyLevel:  (MD_ScopeCode) dataset
    contact:  (CI_ResponsibleParty)
        organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
        positionName:  DEM Information
        contactInfo:  (CI_Contact)
            address:  (CI_Address)
                electronicMailAddress:  dem.info@noaa.gov
        role:  (CI_RoleCode) pointOfContact
    dateStamp:  2013-02-21
    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:  2
        axisDimensionProperties:  (MD_Dimension)
            dimensionName:  (MD_DimensionNameTypeCode) row
            dimensionSize:  300
            resolution:
              Measure:  0.033333
        axisDimensionProperties:  (MD_Dimension)
            dimensionName:  (MD_DimensionNameTypeCode) column
            dimensionSize:  870
            resolution:
              Measure:  0.033333
        axisDimensionProperties:  (MD_Dimension)
            dimensionName:  (MD_DimensionNameTypeCode) vertical
            dimensionSize:  1
        cellGeometry:  (MD_CellGeometryCode) area
        transformationParameterAvailability:
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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:
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: http://www.epsg-registry.org/export.htm?gml=urn:ogc:def:crs:EPSG::4326
                            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: http://www.epsg-registry.org/
                            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 High Water height
                alternateTitle:  MHW height
                date:  (CI_Date)
                    date:  2012-08-05
                    dateType:  (CI_DateTypeCode) revision
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: http://www.epsg-registry.org/export.htm?gml=urn:ogc:def:datum:EPSG::5868
                            name:  MHW height
                            description:  GML for Mean High Water height available at the epsg-registry.
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) resourceProvider
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  European Petroleum Survey Group
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: http://www.epsg-registry.org/
                            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:datum:EPSG::5868
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    identificationInfo:  (MD_DataIdentification)
        citation:  (CI_Citation)
            title:  2 minute Southcentral Alaska Elevation Grid
            date:  (CI_Date)
                date:  2004-06-23
                dateType:  (CI_DateTypeCode) publication
            edition:  2004
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  NOAA/PMEL/Center for Tsunami Research (NCTR)
                positionName:  NOAA Center for Tsunami Research
                contactInfo:  (CI_Contact)
                    address:  (CI_Address)
                        deliveryPoint:  7600 Sand Point Way NE, Bldg 3
                        city:  Seattle
                        administrativeArea:  Washington
                        postalCode:  98115
                        country:  USA
                        electronicMailAddress:  oar.pmel.time-support@noaa.gov
                    onlineResource:  (CI_OnlineResource)
                        linkage: http://nctr.pmel.noaa.gov/index.html
                        name:  NOAA Center for Tsunami Research
                        description:  NOAA/PMEL/Center for Tsunami Research (NCTR)
                        function:  (CI_OnLineFunctionCode) information
                role:  (CI_RoleCode) publisher
            presentationForm:  (CI_PresentationFormCode) mapDigital
            series:  (CI_Series)
                name:  Alaska Grids
                issueIdentification:  Southcentral Alaska 2004
        abstract:  The 2-minute Southcentral Alaska Elevation Grid provides bathymetric data in ASCII raster format of 2-minute resolution in geographic coordinates. This grid is strictly for tsunami inundation modeling
        purpose:  This grid was constructed for use in tsunami inundation modeling
        credit:  NGDC, NOS, USGS, USACE, AKRR
        status:  (MD_ProgressCode) completed
        pointOfContact:  (CI_ResponsibleParty)
            organisationName:  NOAA/PMEL/Center for Tsunami Research (NCTR)
            positionName:  NOAA Center for Tsunami Research
            contactInfo:  (CI_Contact)
                address:  (CI_Address)
                    deliveryPoint:  7600 Sand Point Way NE, Bldg 3
                    city:  Seattle
                    administrativeArea:  Washington
                    postalCode:  98115
                    country:  USA
                    electronicMailAddress:  oar.pmel.time-support@noaa.gov
                onlineResource:  (CI_OnlineResource)
                    linkage: http://nctr.pmel.noaa.gov/index.html
                    name:  NOAA Center for Tsunami Research
                    description:  NOAA/PMEL/Center for Tsunami Research (NCTR)
                    function:  (CI_OnLineFunctionCode) information
            role:  (CI_RoleCode) publisher
        resourceMaintenance:  (MD_MaintenanceInformation)
            maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) irregular
        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
        descriptiveKeywords:  (MD_Keywords)
            keyword:  DEM > Digital Elevation Model
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  (CI_Citation)
                title:  NASA/GCMD Platform Keywords
                date:
        descriptiveKeywords:  (MD_Keywords)
            keyword:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
            keyword:  WDC/MGG, BOULDER > World Data Center for Marine Geology and Geophysics, Boulder
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  (CI_Citation)
                title:  NASA/GCMD Data Center Keywords
                date:
        descriptiveKeywords:  (MD_Keywords)
            keyword:  H: 1 meter - < 30 meters
            keyword:  V: < 1 meter
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  (CI_Citation)
                title:  NASA/GCMD Data Resolution Keywords
                date:
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Coastal Relief
            keyword:  Gridded elevations
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  (CI_Citation)
                title:  Uncontrolled
                date:
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Continent > North America > United States of America > Southcentral Alaska
            keyword:  Alaska
            keyword:  Ocean > Pacific Ocean
            keyword:  Vertical Location > Land Surface
            keyword:  Vertical Location > Sea Floor
            type:  (MD_KeywordTypeCode) place
            thesaurusName:  (CI_Citation)
                title:  NASA/GCMD Location Keywords
                date:
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Southcentral Alaska
            keyword:  Gulf of Alaska
            type:  (MD_KeywordTypeCode) place
            thesaurusName:  (CI_Citation)
                title:  Uncontrolled
                date:
        descriptiveKeywords:  (MD_Keywords)
            keyword:  2004
            type:  (MD_KeywordTypeCode) temporal
            thesaurusName:  (CI_Citation)
                title:  None
                date:
        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 Geophysical Data Center. Not subject to copyright protection within the United States.
        resourceConstraints:  (MD_Constraints)
            useLimitation:  While every effort has been made to ensure that these data are accurate and reliable within the limits of the current state of the art, NOAA cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty.
        spatialRepresentationType:  (MD_SpatialRepresentationTypeCode) grid
        language:  eng; USA
        topicCategory:  (MD_TopicCategoryCode) geoscientificInformation
        environmentDescription:  Native Dataset Environment: Microsoft Windows 2000 Version 5.2 (Build 3790) Service Pack 2; ESRI ArcCatalog 9.2.4.1420
        extent:  (EX_Extent)
            geographicElement:  (EX_GeographicBoundingBox)
                westBoundLongitude:  -169.00
                eastBoundLongitude:  -140.00
                southBoundLatitude:  52.00
                northBoundLatitude:  62.00
        supplementalInformation:  This grid was developed through funding from the National Tsunami Hazard Mitigation Program. It will be updated as better data become available.
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    distributionInfo:  (MD_Distribution)
        distributionFormat:  (MD_Format)
            name:  ESRI Arc ASCII
            version:  1
            specification:  ASCII text version of ESRI ArcGIS raster format
            fileDecompressionTechnique:  WINZIP
        distributor:  (MD_Distributor)
            distributorContact:  (CI_ResponsibleParty)
                organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
                positionName:  DEM Information
                contactInfo:  (CI_Contact)
                    address:  (CI_Address)
                        electronicMailAddress:  dem.info@noaa.gov
                role:  (CI_RoleCode) pointOfContact
        transferOptions:  (MD_DigitalTransferOptions)
            onLine:  (CI_OnlineResource)
                linkage: http://www.ngdc.noaa.gov/dem/squareCellGrid/search
                name:  DEM text search tool
                description:  Text search tool for locating completed and planned DEMs.
                function:  (CI_OnLineFunctionCode) search
        transferOptions:  (MD_DigitalTransferOptions)
            onLine:  (CI_OnlineResource)
                linkage: http://www.ngdc.noaa.gov/dem/squareCellGrid/map
                name:  Map Interface
                description:  Graphic geo-spatial search tool for locating completed and planned DEMs.
                function:  (CI_OnLineFunctionCode) search
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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 the grid is expressed as an estimated root mean square error (RMSE). The estimate of the RMSE is based on horizontal accuracy tests of the source data which are selected as equal to or less than the intended horizontal RMSE error of the grid. Horizontal positioning of the various source point were compared with each other to verify grid accuracy.
            result:
        report:  (DQ_AbsoluteExternalPositionalAccuracy)
            nameOfMeasure:  Vertical Positional Accuracy Report
            evaluationMethodDescription:  The vertical RMSE is used to determine vertical accuracy of the grid. It accounts for systematic and random errors. The accuracy of bathymetric sounding are within 2% of depth.
            result:
        report:  (DQ_CompletenessCommission)
            evaluationMethodDescription:  Errant data points were removed from the various sources before processing the grid. The final grid was visually and statistically inspected for completeness using ArcGIS.
            result:
        report:  (DQ_ConceptualConsistency)
            measureDescription:  Each data set went through a stringent quality control procedure from their respective originators. The developed grid was compared with initial sources, other source control data, and corresponding data between datasets to verify accuracy.
            result:
        lineage:  (LI_Lineage)
            processStep:  (LE_ProcessStep)
                description:  Each raw data source was converted into ESRI ArcGIS formats. The resulting files were converted and adjusted to predetermined projection (geographic), horizontal datum (NAD27), and vertical datum (MHW) using the ArcInfo PROJECT command and ArcView Spatial Analyst MAP CALCULATOR algorithm. A polyline shapefile was created to represent the coastline. The coastline is a culmination of USGS hydrographic vectors, USACE coastline, and AKRR coastline vectors. A TIN (Triangulated Irregular Network) was created using bathymetric data point and coastline points using ArcInfo CREATETIN. An 8-second grid was created using TINLATTICE. A 2-minute grid was created using Smith and Sandwell data to fill in remaining gaps. Smith and Sandwell data was compared with denser data to ensure continuity. The data was assessed for quality using ArcView Spatial Analyst. The grid was compared to its raw dataset. The 8-second grid was resampled to 2 minutes and merged with the Smith and Sandwell data. The grid was updated with recent datasets surrounding Homer-Seldovia, Kodiak, and Seward. New data was incorporated into the grids by creating new TINs for the regional area. Data were assessed for quality by comparing with original sources, corresponding sources, and control data. Continuity between old and new data were assessed and errors were corrected. The final grid was analyzed for blunders, systematic errors, and logical consistency.
                dateTime:
                  DateTime:  2004-06-01T00:00:00
                processor:  (CI_ResponsibleParty)
                    organisationName:  NOAA/PMEL/Center for Tsunami Research (NCTR)
                    positionName:  NOAA Center for Tsunami Research
                    contactInfo:  (CI_Contact)
                        address:  (CI_Address)
                            deliveryPoint:  7600 Sand Point Way NE, Bldg 3
                            city:  Seattle
                            administrativeArea:  Washington
                            postalCode:  98115
                            country:  USA
                            electronicMailAddress:  oar.pmel.time-support@noaa.gov
                        onlineResource:  (CI_OnlineResource)
                            linkage: http://nctr.pmel.noaa.gov/index.html
                            name:  NOAA Center for Tsunami Research
                            description:  NOAA/PMEL/Center for Tsunami Research (NCTR)
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) publisher
            source:  (LI_Source)
                description:  Source Contribution: bathymetric data values; Source Type: online
                sourceCitation:  (CI_Citation)
                    title:  GEODAS Vol 2, Ver 4.2 and Global Relief
                    date:  (CI_Date)
                        date:  2004-01-01
                        dateType:  (CI_DateTypeCode) publication
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  NOAA National Geophysical Data Center
                        role:  (CI_RoleCode) originator
                    otherCitationDetails:  Data obtained include Smith and Sandwell 2-minute bathymetric data, NOS Hydrographic Surveys, and Marine Trackline Data
                sourceExtent:  (EX_Extent)
                    temporalElement:  (EX_TemporalExtent)
                        extent:
                          TimePeriod:
                            beginPosition:  1890-01-01
                            endPosition:  2001-01-01
            source:  (LI_Source)
                description:  Source Contribution: bathymetric data values; Source Type: online
                sourceCitation:  (CI_Citation)
                    title:  Electronic Nautical Charts
                    date:  (CI_Date)
                        date:  2002-01-01
                        dateType:  (CI_DateTypeCode) publication
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  NOAA NOS Office of Coast Survey
                        contactInfo:  (CI_Contact)
                            address:  (CI_Address)
                                city:  Silver Spring
                                administrativeArea:  Maryland, USA
                        role:  (CI_RoleCode) publisher
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  NOAA National Ocean Service, Office of Coast Survey
                        role:  (CI_RoleCode) originator
                sourceExtent:  (EX_Extent)
                    temporalElement:  (EX_TemporalExtent)
                        extent:
                          TimePeriod:
                            beginPosition:  2001-01-01
                            endPosition:  2003-01-01
            source:  (LI_Source)
                description:  Source Contribution: bathymetric data values; Source Type: CD-ROM
                sourceCitation:  (CI_Citation)
                    title:  Multibeam surveys for Seward OPR-P359-RA-01
                    date:  (CI_Date)
                        date:  2001-01-01
                        dateType:  (CI_DateTypeCode) publication
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  NOAA NOS Office of Coast Survey, Pacific Hydrographic Branch
                        contactInfo:  (CI_Contact)
                            address:  (CI_Address)
                                city:  Seattle
                                administrativeArea:  Washington, USA
                        role:  (CI_RoleCode) publisher
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  NOAA National Ocean Service, Office of Coast Survey
                        role:  (CI_RoleCode) originator
                    otherCitationDetails:  Preliminary data not for navigation or public
                sourceExtent:  (EX_Extent)
                    temporalElement:  (EX_TemporalExtent)
                        extent:
                          TimeInstant:
                            timePosition:  2001-01-01
            source:  (LI_Source)
                description:  Source Contribution: shoreline, mean high water line; Source Type: online
                sourceCitation:  (CI_Citation)
                    title:  1:25000 and 1:63360 hydrographic vectors
                    date:  (CI_Date)
                        date:
                        dateType:  (CI_DateTypeCode) publication
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  USGS National Mapping Division
                        contactInfo:  (CI_Contact)
                            address:  (CI_Address)
                                city:  Reston
                                administrativeArea:  Virginia, USA
                        role:  (CI_RoleCode) publisher
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  USGS National Mapping Division
                        role:  (CI_RoleCode) originator
                sourceExtent:  (EX_Extent)
                    temporalElement:  (EX_TemporalExtent)
                        extent:
                          TimePeriod:
                            beginPosition:
                            endPosition:
            source:  (LI_Source)
                description:  Source Contribution: bathymetric and coastline data values; Source Type: online
                sourceCitation:  (CI_Citation)
                    title:  Homer, Seldovia, and Seward Hydrographic Surveys
                    date:  (CI_Date)
                        date:  2002-01-01
                        dateType:  (CI_DateTypeCode) publication
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  USACE Alaska District
                        contactInfo:  (CI_Contact)
                            address:  (CI_Address)
                                city:  Anchorage
                                administrativeArea:  Alaska, USA
                        role:  (CI_RoleCode) publisher
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  U.S Army Corps of Engineers Alaska District
                        role:  (CI_RoleCode) originator
                sourceExtent:  (EX_Extent)
                    temporalElement:  (EX_TemporalExtent)
                        extent:
                          TimePeriod:
                            beginPosition:  2000-01-01
                            endPosition:  2002-01-01
            source:  (LI_Source)
                description:  Source Contribution: bathymetric and coastline data values; Source Type: CD-ROM
                sourceCitation:  (CI_Citation)
                    title:  Bathymetric Condition Survey
                    date:  (CI_Date)
                        date:  2001-01-01
                        dateType:  (CI_DateTypeCode) publication
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  Alaska Railroad Corporation
                        contactInfo:  (CI_Contact)
                            address:  (CI_Address)
                                city:  Anchorage
                                administrativeArea:  Alaska, USA
                        role:  (CI_RoleCode) publisher
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  Alaska Railroad Corporation
                        role:  (CI_RoleCode) originator
                sourceExtent:  (EX_Extent)
                    temporalElement:  (EX_TemporalExtent)
                        extent:
                          TimeInstant:
                            timePosition:  2001-01-01
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    metadataMaintenance:  (MD_MaintenanceInformation)
        maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) annually
        maintenanceNote:  This metadata was automatically generated from the FGDC Content Standard for Digital Geospatial Metadata standard (version FGDC-STD-001-1998) using the 2012-07-27 version of the FGDC RSE to ISO 19115-2 transform for DEMs.
        maintenanceNote:  Last Translation from FGDC 2013-01-03T10:03:32.816-07:00
        maintenanceNote:  Last Metadata Review Date: 2004-06-28
        contact:  (CI_ResponsibleParty)
            individualName:  Kelly Carignan
            organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
            contactInfo:  (CI_Contact)
                address:  (CI_Address)
                    electronicMailAddress:  kelly.carignan@noaa.gov
            role:  (CI_RoleCode) pointOfContact