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Metadata Identifier: gov.noaa.ngdc.mgg.dem:316

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 ETOPO1 1 Arc-Minute Global Relief Model In August 2008, the National Geophysical Data Center (NGDC), an office of the National Oceanic and Atmospheric Administration (NOAA), developed the ETOPO1 Global Relief Model as an improvement to the ETOPO2v2 Global Relief Model. ETOPO1 is available in "Ice Surface" (top of Antarctic and Greenland ice sheets) and "Bedrock" (base of the ice sheets) versions. Both versions of ETOPO1 were generated from diverse global and regional digital data sets, which were shifted to common horizontal and vertical datums, and then evaluated and edited as needed. Bathymetric, topographic, and shoreline data used in ETOPO1 were obtained from NGDC, Antarctic Digital Database (ADD), European Ice Sheet Modeling Initiative (EISMINT), Scientific Committee on Antarctic Research (SCAR), Japan Oceanographic Data Center (JODC), Caspian Environment Programme (CEP), Mediterranean Science Commission (CIESM), National Aeronautics and Space Administration (NASA), National Snow and Ice Data Center (NSIDC), Scripps Institute of Oceanography (SIO), and Leibniz Institute for Baltic Sea Research (LIBSR). ETOPO1 is vertically referenced to sea level, and horizontally referenced to the World Geodetic System of 1984 (WGS 84). Cell size for ETOPO1 is 1 arc-minute.
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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 A high resolution spherical grid topography of the Baltic Sea 2nd edition
  • 2001-01-01
1 ADD Antarctica Coastline
  • 2006-01-01
1 CEP Isolines of the Bathymetry of the Caspian Sea
  • 1999-01-01
1 CIESM Morpho-bathymetry of the Mediterranean Sea
  • 2005-01-01
1 Digital Elevation Model Footprints ArcGIS Map Service
  • 2011-02-15
1 Digital Elevation Models: Color Shaded Relief ArcGIS Image Service
  • 2011-10-19
2 ETOPO1 1 Arc-Minute Global Relief Model
  • 2009-01-01
doi:10.7289/V5C8276M
1 Global Land One-km Base Elevation (GLOBE)
  • 1999-01-01
1 INFOTERRA Keyword Thesaurus
    1 International Bathymetry Chart of the Arctic Ocean (IBCAO)
    • 2008-01-01
    1 JODC Bathymetry
    • 1999-01-01
    1 Mean Sea Level depth
    • 2012-08-10
    1 Measured and Estimated Seafloor Topography
    • 2008-01-01
    1 NASA/GCMD Data Center Keywords
      1 NASA/GCMD Earth Science Keywords
        1 NASA/GCMD Location Keywords
          2 NASA/Global Change Master Directory (GCMD) Earth Science Services Keywords NASA/GCMD Services Keywords
            1 NGDC Global Self-consistent, Hierarchical, High-resolution Shoreline Database (GSHHS)
            • 2003-01-01
            1 NGDC Gulf of California Bathymetry
            • 2006-01-01
            1 NGDC U.S Coastal Relief Model
            • 2005-01-01
            1 NGDC U.S Great Lakes Bathymetry
            • 2005-01-01
            1 NSIDC Antarctica Radarsat Antarctic Mapping Project (RAMP) Topography
            • 2001-01-01
            1 NSIDC Greenland Bedrock
            • 2001-01-01
            1 Shuttle Radar Topography Mission (SRTM)
            • 2008-01-01
            1 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
              17 Citation URL http://www.ngdc.noaa.gov/mgg/global/global.html
              2 GCMD Valids custodian http://gcmd.nasa.gov/learn/keyword_list.html
              1 Antarctica Digital Database (ADD) 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
              1 Caspian Environment Programme (CEP) originator
              1 Christopher J. Amante originator
              1 National Geophysical Data Center DOC/NOAA/NESDIS/NGDC - National Geophysical Data Center ngdc.info@noaa.gov custodian
              1 No Title DOC/NOAA/NESDIS/NGDC - National Geophysical Data Center ngdc.info@noaa.gov originator
              5 DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NEDIS, NOAA, U.S. Department of Commerce originator
              6 DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, Department of Commerce publisher http://ngdc.noaa.gov/mgg/coastal/coastal.html
              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
              1 DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce publisher
              2 EPSG Registry European Petroleum Survey Group publisher http://www.epsg-registry.org/
              1 International Bathymetric Chart of the Arctic Ocean (IBCAO) version 2.0 originator
              1 Japan Oceanographic Data Center (JODC) originator
              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
              2 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 Leibniz Institute for Baltic Sea Research (LIBSR) originator
              1 Mediterranean Science Commission (CIESM) 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 NASA > National Aeronautics and Space Administration (NASA) originator
              2 National Snow and Ice Data Center (NSIDC) originator
              1 Scripps Institute of Oceanography (SIO) originator
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              CI_OnlineResource

              Count Component Linkage Name Description Function
              1 http://archive.iwlearn.net/www.caspianenvironment.org/www.caspianenvironment.org/dim/menu5.htm?doc=default.htm Isolines of the Bathymetry of the Caspian Sea Isolines of the bathymetry is used for showing the depths of the Caspian Sea 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
              1 http://maps.ngdc.noaa.gov/viewers/wcs-client/ Grid Extract grid extract tool 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
              1 http://nsidc.org/data/nsidc-0082.html RAMP DEM Version 2 400 m grid of Antarctica ice surface download
              1 http://nsidc.org/data/nsidc-0092.html Greenland 5 km DEM, Ice Thickness, and Bedrock Elevation Grids 5 km elevation grid of Greenland bedrock download
              1 http://srtm.usgs.gov/ Shuttle Radar Topography Mission global topography download
              1 http://topex.ucsd.edu/marine_topo/ Measured and Estimated Seafloor Topography Grid derived from known soundings and sea-surface altimetry measurements download
              1 http://www.add.scar.org Antarctica Coastline Antarctica coastline data download
              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
              1 http://www.ifremer.fr/drogm_uk/Realisation/carto/Mediterranee/index.html Morpho-bathymetry of the Mediterranean Sea Grid derived from multibeam swath sonar bathymetric surveys download
              1 http://www.io-warnemuende.de/topography-of-the-baltic-sea.html A high resolution spherical grid topography of the Baltic Sea 2nd edition High resolution spherical grid topography of the Baltic Sea download
              1 http://www.jodc.go.jp/data_set/jodc/jegg_intro.html J-EGG500(JODC-Expert Grid data for Geographic -500m) 500 meter gridded bathymetry data set download
              1 http://www.ngdc.noaa.gov/mgg/bathymetry/arctic/arctic.html IBCAO Digital data base that contains all available bathymetric data north of 64 degrees North download
              1 http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html NGDC Multibeam Bathymetry Database Multibeam swath sonar survey data download
              1 http://www.ngdc.noaa.gov/mgg/coastal/crm.html U.S Coastal Relief Model Integrated coastal bathymetric and topographic relief model download
              2 http://www.ngdc.noaa.gov/mgg/global/global.html ETOPO1 Global Relief Model web access to ETOPO1 1 Arc-Minute Global Relief Model information
              1 http://www.ngdc.noaa.gov/mgg/global/relief/ETOPO1/data/ ETOPO1 1 Arc-Minute Global Relief Model ETOPO1 1 Arc-Minute Global Relief Model in netCDF format download
              1 http://www.ngdc.noaa.gov/mgg/global/relief/ETOPO1/docs/ETOPO1.pdf ETOPO1 1 Arc-Minute Global Relief Model: Procedures, Data Sources and Analysis Report describing the development of the ETOPO1 1 Arc-Minute Global Relief Model download
              3 http://www.ngdc.noaa.gov/mgg/global/relief/ETOPO1/posters/ Earth's Relief from ETOPO1 1 Arc-Minute Global Relief Model poster image of ETOPO1 1 Arc-Minute Global Relief Model in pdf format search
              1 http://www.ngdc.noaa.gov/mgg/global/relief/ETOPO1/tiled/ice_surface/etopo1_ice_surface.kmz ETOPO1 Ice Surface image of ETOPO1 Ice Surface in kmz format search
              1 http://www.ngdc.noaa.gov/mgg/greatlakes/greatlakes.html U.S Great Lakes Bathymetry Grid of U.S Great Lakes bathymetry download
              1 http://www.ngdc.noaa.gov/mgg/shorelines/gshhs.html GSHHS - A Global Self-consistent, Hierarchical, High-resolution Shoreline Database global shoreline data download
              1 http://www.ngdc.noaa.gov/mgg/topo/globe.html Global Land One-km Base Elevation (GLOBE) A 30-arc-second (1-km) gridded, quality-controlled global Digital Elevation Model (DEM) download
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              MD_Identifier or RS_Identifier

              Count Component Code
              1 doi:10.7289/V5C8276M
              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 -180.00 180.00 90.00 -90.00 1940-01-01 2008-01-01
              2 -180 180 90 -90
              1 1996-01-01 2003-01-01
              1 1993-01-01 2006-01-01
              1
              1
              1 1987-01-01 1999-01-01
              1
              1 1997-01-01 2008-01-01
              1
              1 1999-01-01 2008-01-01
              1 1999-01-01 2005-01-01
              1 1996-01-01 2005-01-01
              1
              1 1940-01-01 1999-01-01
              1 1940-01-01 2001-01-01
              1 1970-01-01 2001-01-01
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              EX_GeographicBoundingBox

              Count Component West East North South
              1 -180.00 180.00 90.00 -90.00
              2 -180 180 90 -90
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              EX_TemporalExtent

              Count Component Start End
              1 1940-01-01 2008-01-01
              1 1996-01-01 2003-01-01
              1 1993-01-01 2006-01-01
              5
              1 1987-01-01 1999-01-01
              1 1997-01-01 2008-01-01
              1 1999-01-01 2008-01-01
              1 1999-01-01 2005-01-01
              1 1996-01-01 2005-01-01
              1 1940-01-01 1999-01-01
              1 1940-01-01 2001-01-01
              1 1970-01-01 2001-01-01
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              MD_Format

              Count Component Name Version specification
              1 GRD98
              1 binary
              1 georeferenced tiff
              1 jpeg
              1 kmz
              1 netCDF 4.3.1
              1 pdf
              1 png
              1 xyz
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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 10801
              1 column 21601
              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 ETOPO1 1 Arc-Minute Global Relief Model crossReference
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              LE_Source or LI_Source

              Count Component Title Date Description
              1 A high resolution spherical grid topography of the Baltic Sea 2nd edition 2001-01-01 Source Contribution: High resolution spherical grid topography of the Baltic Sea downloaded from web site ; Source Type: online
              1 ADD Antarctica Coastline 2006-01-01 Source Contribution: Antarctica coastline data downloaded from web site ; Source Type: online
              1 CEP Isolines of the Bathymetry of the Caspian Sea 1999-01-01 Source Contribution: Caspian Sea bathymetric isolines downloaded from web site. ; Source Type: online
              1 CIESM Morpho-bathymetry of the Mediterranean Sea 2005-01-01 Source Contribution: Bathymetric grid of the Mediterranean sea derived from multibeam swath sonar bathymetric surveys downloaded from web site ; Source Type: online
              1 Global Land One-km Base Elevation (GLOBE) 1999-01-01 Source Contribution: gridded topographic data downloaded from web site ; Source Type: online
              1 International Bathymetry Chart of the Arctic Ocean (IBCAO) 2008-01-01 Source Contribution: Digital data base that contains all available bathymetric data north of 64 degrees North downloaded from web site ; Source Type: online
              1 JODC Bathymetry 1999-01-01 Source Contribution: 500 meter gridded bathymetry data set ; Source Type: online
              1 Measured and Estimated Seafloor Topography 2008-01-01 Source Contribution: Grid derived from known soundings and sea-surface altimetry measurements downloaded from web site ; Source Type: online
              1 NGDC Global Self-consistent, Hierarchical, High-resolution Shoreline Database (GSHHS) 2003-01-01 Source Contribution: global shoreline data downloaded from web site ; Source Type: online
              1 NGDC Gulf of California Bathymetry 2006-01-01 Source Contribution: Multibeam bathymetry data downloaded from web site ; Source Type: online
              1 NGDC U.S Coastal Relief Model 2005-01-01 Source Contribution: U.S Coastal Relief Model downloaded from web site ; Source Type: online
              1 NGDC U.S Great Lakes Bathymetry 2005-01-01 Source Contribution: U.S Great Lakes Bathymetry downloaded from web site ; Source Type: online
              1 NSIDC Antarctica Radarsat Antarctic Mapping Project (RAMP) Topography 2001-01-01 Source Contribution: NSIDC 400 m elevation grid of Antarctica ice surface downloaded from web site ; Source Type: online
              1 NSIDC Greenland Bedrock 2001-01-01 Source Contribution: NSIDC 5 km elevation grid of Greenland bedrock downloaded from web site ; Source Type: online
              1 Shuttle Radar Topography Mission (SRTM) 2008-01-01 Source Contribution: gridded topographic data downloaded from web site. ; Source Type: online
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              LE_ProcessStep or LI_ProcessStep

              Count Component DateTime Description
              1 2008-06-17T00:00:00 All datasets obtained by NGDC were converted to common horizontal and vertical datums of WGS 84 and sea level, respectively, using FME. They were also converted to common file format, ESRI point shapefiles, for visualization and inspection.
              1 2008-06-25T00:00:00 Datasets were visually inspected with ArcGIS for identification and editing of data anomalies. Datasets were then compared with overlapping datasets to ensure data consistency.
              1 2008-06-30T00:00:00 Coastline datasets were adjusted to fit satellite imagery.
              1 2008-07-10T00:00:00 xyz files of the Measured and Estimated Seafloor Topography data (between -500 m and 0 m) were surfaced using GMT's 'surface' tool onto a 1 arc-minute cell size grid that interpolated to fill empty cells. Points extracted along the GSHHS coastline were also included, at -1 m elevation, to force bathymetric interpolation into the coastal zone. The resulting Arc ASCII grid was clipped to the coastline and the -120 m contour to remove values over land and non-coastal waters.
              1 2008-07-18T00:00:00 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 the NSIDC Antarctica RAMP topography dataset. Least weight was given to the global datasets and the interpolated bathymetric surface. Gridding was performed in 16 regional tiles, each with a 5% data buffer. The grids were imported in ArcGIS and seamlessly merged to create the final global relief model.
              1 2008-07-31T00:00:00 ETOPO1 was bult as a global, grid-registered, 1 arc-minute grid that spans from pole to pole and from -180 degrees to 180 degrees in longitude. It is 21601 cells by 10801 cells in dimension, with multiple duplicate cells sitting atop the North and South poles and on the -180 degrees and 180 degrees longitude line. A cell-registered version (21600 by 10800 cells) was created from the grid-registered version by resampling, using GMT's 'grdsample' tool. This resampling introduces some flattening of relief, due to averaging of four grid-registered cell vlaues to produce one cell-registered value. Both types are global, though the grid-registered version should be considered the authoritative version. The cell-registered version may be more appropriate for creating maps and images.
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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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