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Metadata Identifier: gov.noaa.ngdc.mgg.dem:661

Aggregation Info | Bands | Citations | Constraints | Coverage Descriptions | Dimensions | Extents | Formats | Geographic Bounding Box
Georectified Information | Georeferenceable Information | Identifiers | Instruments | Mediums | OnlineResources | Operations
Platforms | Process Steps | Range Elements | Reference Systems | Responsible Parties | Series | Sources | Spatial Grids | Temporal Extents

MD_DataIdentification

Count Component Title Abstract
1 24 arc-second Kenai Peninsula Bororugh Alaska Elevation Grid The 24 arc-second Kenai Peninsula Bororugh Alaska Elevation Grid provides bathymetric data in ASCII raster format of 24 second resolution in geographic coordinates. This grid is strictly for tsunami inundation modeling
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SV_Identification

Count Component Title Type
1 Footprints ArcGIS Map Service Digital Elevation Model Footprints ArcGIS Map Service ArcGIS Map Service
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CI_Citation

Count Component Title Date Citation Identifier
1 1:25000 and 1:63360 hydrographic vectors

1 24 arc-second Kenai Peninsula Bororugh Alaska Elevation Grid
    2004-06-23
1 Bathymetric Condition Survey
    2001-01-01
1 Digital Elevation Model Footprints ArcGIS Map Service
    2011-02-15
1 Electronic Nautical Charts
    2002-01-01
1 GEODAS Vol 2, Ver 4.1 and Global Relief
    2002-01-01
1 Homer, Seldovia, and Seward Hydrographic Surveys
    2002-01-01
1 Mean High Water height
    2012-08-05
1 Multibeam surveys for Seward OPR-P359-RA-01
    2001-01-01
1 GCMD Data Center Keywords NASA/GCMD Data Center Keywords
    2015-03-01
    1995-04-24
1 NASA/GCMD Data Resolution Keywords
    1 NASA/GCMD Location Keywords
      1 NASA/GCMD Platform Keywords
        1 GCMD Project Keywords NASA/GCMD Project Keywords
          2015-03-01
          1995-04-24
        1 NASA/Global Change Master Directory (GCMD) Earth Science Services Keywords NASA/GCMD Services Keywords
          2015-03-01
          1995-04-24
        1 None
          2 Uncontrolled
            1 World Geodetic System 1984
              2007-08-27
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            CI_Series

            Count Component Name Issue Identification Page
            1 Alaska Grids Southcentral Alaska 2004
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            CI_ResponsibleParty

            Count Component Individual Organization Position Email Role Linkage
            2 resourceProvider http://www.epsg-registry.org/export.htm?gml=urn:ogc:def:crs:EPSG::4326
            3 GCMD Valids http://gcmd.nasa.gov/learn/keyword_list.html
            1 Alaska Railroad Corporation publisher
            1 Alaska Railroad Corporation originator
            1 Anna Milan Anna Milan DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce Metadata Specialist Anna.Milan@noaa.gov pointOfContact
            4 DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, Department of Commerce publisher http://ngdc.noaa.gov/mgg/coastal/coastal.html
            2 DEM Info DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce DEM Information dem.info@noaa.gov pointOfContact
            1 NCEI (publisher) DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce publisher
            2 EPSG Registry European Petroleum Survey Group publisher http://www.epsg-registry.org/
            1 Varner, Jesse Jesse Varner DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce Jesse.Varner@noaa.gov pointOfContact
            1 Kelly Carignan Kelly Carignan DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce kelly.carignan@noaa.gov pointOfContact
            3 GCMD User Support Office NASA GCMD User Support Office gcmduso@gcmd.gsfc.nasa.gov publisher http://gcmd.nasa.gov/MailComments/MailComments.jsf?rcpt=gcmduso
            1 NOAA NOS Office of Coast Survey publisher
            1 NOAA NOS Office of Coast Survey, Pacific Hydrographic Branch publisher
            1 NOAA National Geophysical Data Center originator
            2 NOAA National Ocean Service, Office of Coast Survey originator
            4 publisher - NOAA/PMEL/Center for Tsunami Research (NCTR) NOAA/PMEL/Center for Tsunami Research (NCTR) NOAA Center for Tsunami Research oar.pmel.tsunami-webmaster@noaa.gov publisher http://nctr.pmel.noaa.gov/
            1 U.S Army Corps of Engineers Alaska District originator
            1 USACE Alaska District publisher
            1 USGS National Mapping Division publisher
            1 USGS National Mapping Division originator
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            CI_OnlineResource

            Count Component Linkage Name Description Function
            3 http://gcmd.nasa.gov/MailComments/MailComments.jsf?rcpt=gcmduso GCMD Feedback Form Have a Comment for the GCMD? information
            3 http://gcmd.nasa.gov/learn/keyword_list.html GCMD's Science Keywords and Associated Directory Keywords This page describes the NASA GCMD Keywords, how to reference those keywords and provides download instructions. information
            1 http://gis.ngdc.noaa.gov/arcgis/rest/services/DEM_global_mosaic/ImageServer DEM Global Mosaic (Elevation Values) A global seamless bathymetry/topography mosaic of digital elevation models at NOAA/NCEI. search
            1 http://gis.ngdc.noaa.gov/arcgis/rest/services/dem_hillshades/ImageServer DEM Global Mosaic (Color Shaded Relief) Color shaded relief visualization of a global seamless bathymetry/topography mosaic of digital elevation models at NOAA/NCEI. search
            1 http://maps.ngdc.noaa.gov/arcgis/rest/services/web_mercator/dem_extents/MapServer Digital Elevation Model Footprints ArcGIS Dynamic Map Service REST endpoint for Digital Elevation Model Footprints ArcGIS dynamic map service search
            1 http://maps.ngdc.noaa.gov/arcgis/services/web_mercator/dem_extents/MapServer/WMSServer?request=GetCapabilities&service=WMS Digital Elevation Model Footprints Web Map Service (WMS) Capabilities document for Open Geospatial Consortium Web Map Service for Digital Elevation Model Footprints search
            4 http://nctr.pmel.noaa.gov/ NOAA Center for Tsunami Research NOAA/PMEL/Center for Tsunami Research (NCTR) information
            1 http://ngdc.noaa.gov/mgg/coastal/coastal.html Integrated Models of Coastal Relief at NCEI Please see website for more information about Coastal DEMs. information
            1 http://noaa.maps.arcgis.com/home/item.html?id=d41f39c8a6684c54b62c8f1ab731d5ad NOAA GeoPlatform Entry for Digital Elevation Model Footprints NOAA GeoPlatform listing for Digital Elevation Model Footprints ArcGIS Map Service information
            2 http://www.epsg-registry.org/ European Petroleum Survey Group Geodetic Parameter Registry Registry that accesses the EPSG Geodetic Parameter Dataset, which is a structured dataset of Coordinate Reference Systems and Coordinate Transformations. search
            1 http://www.epsg-registry.org/export.htm?gml=urn:ogc:def:crs:EPSG::4326 WGS 84 GML of World Geodetic System 1984 coordinate reference system. information
            1 http://www.epsg-registry.org/export.htm?gml=urn:ogc:def:datum:EPSG::5868 MHW height GML for Mean High Water height available at the epsg-registry. information
            1 DEM map search http://www.ngdc.noaa.gov/dem/squareCellGrid/map Map Interface Graphic geo-spatial search tool for locating completed and planned DEMs. search
            1 DEM text search http://www.ngdc.noaa.gov/dem/squareCellGrid/search DEM text search tool Text search tool for locating completed and planned DEMs. search
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            MD_Identifier or RS_Identifier

            Count Component Code
            1 urn:ogc:def:crs:EPSG::4326
            1 urn:ogc:def:datum:EPSG::5868
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            EX_Extent

            Bounding Box Temporal Extent
            Count Component Description West East North South Start End
            1 -156.00 -147.00 62.00 55.00
            1 -180 180 90 -90
            1 1890-01-01 2001-01-01
            1 2001-01-01 2003-01-01
            2
            1
            1 2000-01-01 2002-01-01
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            EX_GeographicBoundingBox

            Count Component West East North South
            1 -156.00 -147.00 62.00 55.00
            1 -180 180 90 -90
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            EX_TemporalExtent

            Count Component Start End
            1 1890-01-01 2001-01-01
            1 2001-01-01 2003-01-01
            3
            1 2000-01-01 2002-01-01
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            MD_Format

            Count Component Name Version specification
            1 ESRI Arc ASCII 1 ASCII text version of ESRI ArcGIS raster format
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            MD_Medium

            none found
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            MD_Constraints

            Count Component Use Limitation
            1 not for navigation 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.
            1 copyright statement Produced by the NOAA National Geophysical Data Center. Not subject to copyright protection within the United States.
            1 NOAA disclaimer 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.
            1 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.
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            MD_ReferenceSystem

            Count Component Code Authority Title
            1 WGS84 urn:ogc:def:crs:EPSG::4326 World Geodetic System 1984
            1 Mean High Water height urn:ogc:def:datum:EPSG::5868 Mean High Water height
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            MD_GridSpatialRepresentation

            Count Component Number of Dimensions Cell Geometry Code
            1 3 area
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            MD_Georeferenceable or MI_Georeferenceable

            none found
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            MD_Georectified or MI_Georectified

            none found
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            MD_Dimension

            Count Component Name Code Size
            1 row 1050
            1 column 1350
            1 vertical 1
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            MD_CoverageDescription or MI_CoverageDescription

            none found
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            MD_Band or MI_Band

            none found
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            MI_RangeElementDescription

            none found
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            MD_AggregateInformation

            none found
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            LE_Source or LI_Source

            Count Component Title Date Description
            1 1:25000 and 1:63360 hydrographic vectors Source Contribution: shoreline, mean high water line; Source Type: online
            1 Bathymetric Condition Survey 2001-01-01 Source Contribution: bathymetric and coastline data values; Source Type: CD-ROM
            1 Electronic Nautical Charts 2002-01-01 Source Contribution: bathymetric data values; Source Type: online
            1 GEODAS Vol 2, Ver 4.1 and Global Relief 2002-01-01 Source Contribution: bathymetric data values; Source Type: online
            1 Homer, Seldovia, and Seward Hydrographic Surveys 2002-01-01 Source Contribution: bathymetric and coastline data values; Source Type: online
            1 Multibeam surveys for Seward OPR-P359-RA-01 2001-01-01 Source Contribution: bathymetric data values; Source Type: CD-ROM
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            LE_ProcessStep or LI_ProcessStep

            Count Component DateTime Description
            1 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. 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 24 seconds and clipped to requested coordinates. 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.
            1 2008-11-04T00:00:00 Metadata imported.
            1 2015-04-22T00:00:00 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.
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            MI_Operation

            none found
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            MI_Platform

            none found
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            MI_Instrument

            none found
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