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Metadata Identifier: gov.noaa.ngdc.mgg.dem:4870

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 Mariana Trench Bathymetric Digital Elevation Model NOAA's National Geophysical Data Center (NGDC) created a bathymetric digital elevation model (DEM) for the Mariana Trench and adjacent seafloor in the Western Pacific Ocean. Bathymetric data used in DEM compilation were obtained from various sources, including internation, federal and academic partners. The DEM is referenced to the horizontal datum of World Geodetic System 1984 (WGS 84) and the vertical datum of sea level. Grid spacings for the Mariana Trench DEM is 6 arc-seconds (~180 meters). Please note that while positive elevations (elevations greater than 0 meters) are present in the DEM over 'dry' land (i.e. islands such as Guam and the Northern Mariana Islands), they should be ignored as the focus of DEM development was solely in the bathymetric realm.
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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
1 Color Shaded Relief ArcGIS Map Service Digital Elevation Models: Color Shaded Relief ArcGIS Image Service ArcGIS Image Service
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CI_Citation

Count Component Title Date Citation Identifier
1 Bathymetric Digital Elevation Model of the Mariana Trench
  • 2013-02-14
1 Digital Elevation Model Footprints ArcGIS Map Service
  • 2011-02-15
1 Digital Elevation Models: Color Shaded Relief ArcGIS Image Service
  • 2011-10-19
1 Japanese Agency for Marine-Earth Science and Technology Multibeam Bathymetry
  • 2012-12-01
1 Japanese Coast Guard Hydrographic and Oceanographic Department Multibeam Bathymetry
  • 2012-12-01
1 Mariana Trench Bathymetric Digital Elevation Model
  • 2013-02-14
1 Mean Sea Level depth
  • 2012-08-10
1 NASA/GCMD Data Center Keywords
    1 NASA/GCMD Data Resolution Keywords
      1 NASA/GCMD Earth Science Keywords
        1 NASA/GCMD Location Keywords
          1 NASA/GCMD Platform Keywords
            2 NASA/Global Change Master Directory (GCMD) Earth Science Services Keywords NASA/GCMD Services Keywords
              1 NAVOCEANO Multibeam Bathymetry
              • 2012-01-01
              1 NGDC Multibeam Bathymetry Database
              • 2012-01-01
              1 NOAA Bathymetry and Global Relief
              • 2008-10-31
              1 NOAA NGDC ETOPO1 Global Relief Model
              • 2012-12-01
              1 UNH Center for Ocean and Coastal Mapping/Joint Hydrographic Center Mariana Trench and West Mariana Ridge, Pacific Ocean Bathymetry
              • 2012-08-01
              2 Uncontrolled
                1 World Geodetic System 1984
                • 2007-08-27
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                CI_Series

                none found
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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
                9 Citation URL http://www.ngdc.noaa.gov/dem/squareCellGrid/download/4870
                2 GCMD Valids custodian http://gcmd.nasa.gov/learn/keyword_list.html
                1 Barry W. Eakins originator
                2 Barry Eakins Barry W. Eakins DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce Research Scientist Barry.Eakins@noaa.gov pointOfContact
                6 DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, Department of Commerce publisher http://ngdc.noaa.gov/mgg/coastal/coastal.html
                3 DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce publisher
                4 DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce originator
                2 DEM Info DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce DEM Information dem.info@noaa.gov pointOfContact
                3 DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce distributor
                1 DOD/USNAVY/USFLTFORCOM/NMOC/NAVOCEANO > Naval Oceanographic Office, Naval Meteorology and Oceanography Command, U.S. Fleet Forces Command, U.S. Navy, U.S. Department of Defense originator
                1 Dorothy Z. Friday originator
                1 Elliot Lim originator
                2 EPSG Registry European Petroleum Survey Group publisher http://www.epsg-registry.org/
                1 Japanese Agency for Marine-Earth Science and Technology originator
                1 Japanese Agency for Marine-Earth Science and Technology distributor
                1 Japanese Coast Guard Hydrographic and Oceanographic Department originator
                1 Japanese Coast Guard Hydrographic and Oceanographic Department distributor
                2 Varner, Jesse Jesse Varner DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce Jesse.Varner@noaa.gov pointOfContact
                1 Kelly Carignan Kelly Carignan DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce kelly.carignan@noaa.gov pointOfContact
                1 Michael G. Sutherland originator
                2 GCMD User Support Office NASA GCMD User Support Office gcmduso@gcmd.gsfc.nasa.gov custodian http://gcmd.nasa.gov/MailComments/MailComments.jsf?rcpt=gcmduso
                1 Susan J. McLean originator
                1 UNH/CCOM-JHC > Center for Ocean and Coastal Mapping/Joint Hydrographic Center, University of New Hampshire originator
                1 UNH/CCOM-JHC > Center for Ocean and Coastal Mapping/Joint Hydrographic Center, University of New Hampshire distributor
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                CI_OnlineResource

                Count Component Linkage Name Description Function
                1 http://ccom.unh.edu/theme/law-sea/mariana-trench-pacific-ocean UNH Center for Ocean and Coastal Mapping/Joint Hydrographic Center Mariana Trench and West Mariana Ridge, Pacific Ocean Bathymetry Gridded multibeam bathymetry collected between 2006 and 2010. The data were collected to support any potential claim for extended jurisdiction by the United States under United Nations Convention on the Law of the Sea (UNCLOS) Article 76. download
                2 http://gcmd.nasa.gov/MailComments/MailComments.jsf?rcpt=gcmduso GCMD Feedback Form Have a Comment for the GCMD? information
                2 GCMD Keyword Page http://gcmd.nasa.gov/learn/keyword_list.html GCMD Keywords Page This page describes the NASA GCMD Keywords, how to reference those keywords and provides download instructions. information
                2 http://gis.ngdc.noaa.gov/arcgis/rest/services/dem_hillshades/ImageServer Digital Elevation Models: Color Shaded Relief ArcGIS Image Service REST endpoint for Digital Elevation Models: Color Shaded Relief ArcGIS image service search
                1 http://gis.ngdc.noaa.gov/arcgis/services/dem_hillshades/ImageServer/WMSServer?request=GetCapabilities%26service=WMS Digital Elevation Models: Color Shaded Relief Web Map Service (WMS) Capabilities document for Open Geospatial Consortium Web Map Service for Digital Elevation Models: Color Shaded Relief search
                2 http://maps.ngdc.noaa.gov/arcgis/rest/services/web_mercator/dem_extents/MapServer DEM Footprints ArcGIS Map Service A map service showing the location and coverage of land and seafloor digital elevation models (DEMs) available from NOAA's National Geophysical Data Center. search
                1 http://maps.ngdc.noaa.gov/soap/web_mercator/dem_extents/MapServer/WMSServer?request=GetCapabilities%26service=WMS Digital Elevation Model Footprints Web Map Service (WMS) Capabilities document for Open Geospatial Consortium Web Map Service for Digital Elevation Model Footprints search
                2 http://ngdc.noaa.gov/mgg/coastal/coastal.html Integrated Models of Coastal Relief at NGDC Please see NGDC's website for more information about Coastal DEMs at NGDC. 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
                1 http://noaa.maps.arcgis.com/home/item.html?id=feb3c625dc094112bb5281c17679c769 NOAA GeoPlatform Entry for Digital Elevation Models: Color Shaded Relief NOAA GeoPlatform listing for Digital Elevation Models: Color Shaded Relief 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:crs:EPSG::5715 MSL depth GML for Vertical CRS in EPGS Registry. information
                2 http://www.ngdc.noaa.gov/dem/squareCellGrid/download/4870 Mariana Trench, GU/PI 6 arc-second Sea level DEM Download page for accessing DEM, metadata record and development report. download
                1 http://www.ngdc.noaa.gov/dem/squareCellGrid/getArchive/4870?gridFormat=ESRI+Arc+ASCII Mariana Trench Bathymetric Digital Elevation Model ASCII DEM Download DEM, metadata and readme file. download
                2 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
                2 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
                2 http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html NGDC Multibeam Bathymetry Database Digital database of NGDC multibeam surveys. download
                2 http://www.ngdc.noaa.gov/mgg/bathymetry/relief.html NOAA Bathymetry and Global Relief Models Project web page. information
                1 http://www.ngdc.noaa.gov/mgg/global ETOPO1 Global Relief Model Global relief model integrating bathymetry and topography, in raster form (DEM) download
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                MD_Identifier or RS_Identifier

                Count Component Code
                1 Digital Elevation Model
                1 urn:ogc:def:crs:EPSG::4326
                1 urn:ogc:def:crs:EPSG::5715
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                EX_Extent

                Bounding Box Temporal Extent
                Count Component Description West East North South Start End
                1 139.00 150.00 22.00 10.00 1985-01-01 2011-12-31
                2 -180 180 90 -90
                1 1985-01-01 2011-12-31
                1 2006-01-01 2010-12-31
                1 2010-01-01 2011-12-31
                1 2002-01-01 2011-12-31
                1 1993-01-01 2005-12-31
                1
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                EX_GeographicBoundingBox

                Count Component West East North South
                1 139.00 150.00 22.00 10.00
                2 -180 180 90 -90
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                EX_TemporalExtent

                Count Component Start End
                2 1985-01-01 2011-12-31
                1 2006-01-01 2010-12-31
                1 2010-01-01 2011-12-31
                1 2002-01-01 2011-12-31
                1 1993-01-01 2005-12-31
                1
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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.
                2 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 MSL urn:ogc:def:crs:EPSG::5715 Mean Sea Level depth
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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 7200
                1 column 6600
                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

                Count Component Title Code Association Type Code
                1 Bathymetric Digital Elevation Model of the Mariana Trench crossReference
                1 NOAA Bathymetry and Global Relief largerWorkCitation
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                LE_Source or LI_Source

                Count Component Title Date Description
                1 Japanese Agency for Marine-Earth Science and Technology Multibeam Bathymetry 2012-12-01 Source Contribution: obtained via data request ; Source Type: DVD
                1 Japanese Coast Guard Hydrographic and Oceanographic Department Multibeam Bathymetry 2012-12-01 Source Contribution: obtained via data request; Source Type: DVD
                1 NAVOCEANO Multibeam Bathymetry 2012-01-01 Source Contribution: downloaded from web site. ; Source Type: online
                1 NGDC Multibeam Bathymetry Database 2012-01-01 Source Contribution: downloaded from web site. ; Source Type: online
                1 NOAA NGDC ETOPO1 Global Relief Model 2012-12-01 Source Contribution: downloaded from web site. ; Source Type: online
                1 UNH Center for Ocean and Coastal Mapping/Joint Hydrographic Center Mariana Trench and West Mariana Ridge, Pacific Ocean Bathymetry 2012-08-01 Source Contribution: downloaded from website ; Source Type: online
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                LE_ProcessStep or LI_ProcessStep

                Count Component DateTime Description
                1 2012-12-15T00:00:00 All datasets obtained by NGDC were converted to a common ASCII XYZ file format. All data obtained were natively referenced to WGS84. No vertical datum transformations were performed, as any vertical datum offsets between datasets are assumed to be less than vertical accuracy associated with 6 arc-second grid, and are thus effectively equivalent.
                1 2012-12-15T00:00:00 The data were visually inspected with Fledermaus and ArcGIS for identification and editing of data anomalies. Datasets were compared with overlapping datasets to ensure data consistency. In some cases, overlapping data were edited to ensure a smooth transition between adjacent datasets.
                1 2012-12-15T00:00:00 ASCII 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.
                1 2012-12-15T00:00:00 The DEM was reviewed qualitatively for any noticeable artifacts introduced during the gridding process using imagery and other ancillary data. If necessary, problematic source data were edited and the an updated grid was created.
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                MI_Operation

                none found
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                MI_Platform

                Count Component Code Description
                1 Digital Elevation Model
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                MI_Instrument

                Count Component Code Type Description
                2 Multibeam Swath Bathymetry System
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