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Dataset Overview | National Centers for Environmental Information (NCEI)

2-minute Gridded Global Relief Data (ETOPO2) v2

browse graphicThumbnail of DEM
This version has been superseded by a newer version. It is highly recommended for users to access the current version. Users should only access this superseded version for special cases, such as reproducing studies. Two-minute gridded global relief for both ocean and land areas are available in the ETOPO2v2 (2006) database. ETOPO2v2 replaced ETOPO2 (2001). The historic 2-minute (ETOPO2v2) and 5-minute (ETOPO5) data are deprecated, but still available.
  • Cite as: NOAA National Geophysical Data Center. 2006: 2-minute Gridded Global Relief Data (ETOPO2) v2. NOAA National Centers for Environmental Information. https://doi.org/10.7289/V5J1012Q. Accessed [date].
gov.noaa.ngdc.mgg.dem:301
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Distribution Formats
    Ordering Instructions Contact NCEI for other distribution options and instructions.
    Distributor NOAA National Centers for Environmental Information
    ncei.info@noaa.gov
    Dataset Point of Contact NOAA National Centers for Environmental Information
    ncei.info@noaa.gov
    Dataset Point of Contact DEM Information
    NOAA National Centers for Environmental Information
    dem.info@noaa.gov
    Time Period Unknown to Unknown
    Spatial Reference System urn:ogc:def:crs:EPSG::4326urn:ogc:def:crs:EPSG::5715
    Spatial Bounding Box Coordinates
    West: -180.0
    East: 180.0
    South: -90.0
    North: 90.0
    Spatial Coverage Map
    Dataset Information
    General Documentation
    Associated Resources
    • ETOPO 2022 15 Arc-Second Global Relief Model
    Publication Dates
    • publication: 2006-09-29
    Data Presentation Form mapDigital
    Dataset Progress Status Superseded - replaced by new
    Historical archive - data has been stored in an offline storage facility
    Data Update Frequency Not planned
    Purpose Global Gridded 2-minute Database
    Use Limitations
    • This version has been superseded by a newer version. It is highly recommended for users to access the current version. Users should only access this superseded version for special cases, such as reproducing studies. If necessary, this version can be accessed by contacting NCEI.
    • 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.
    • Produced by the NOAA National Centers for Environmental Information. Not subject to copyright protection within the United States.
    Dataset Citation
    • Cite as: NOAA National Geophysical Data Center. 2006: 2-minute Gridded Global Relief Data (ETOPO2) v2. NOAA National Centers for Environmental Information. https://doi.org/10.7289/V5J1012Q. Accessed [date].
    Cited Authors
    • NOAA National Geophysical Data Center
    Publishers
    • NOAA National Centers for Environmental Information
    Theme keywords Global Change Master Directory (GCMD) Science Keywords
    • Earth Science > Land Surface > Topography > Terrain Elevation
    • Earth Science > Land Surface > Topography > Terrain Elevation > Topographical Relief Maps
    • Earth Science > Oceans > Bathymetry/Seafloor Topography > Seafloor Topography
    Uncontrolled Keywords
    • Earth Science > Interior & Crust
    Data Center keywords Global Change Master Directory (GCMD) Data Center Keywords
    • DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
    • DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
    Place keywords Global Change Master Directory (GCMD) Location Keywords
    • Geographic Region > Global Land
    • Geographic Region > Global Ocean
    Use Constraints
    • 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.
    Access Constraints
    • 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.
    Other Constraints Cite as: NOAA National Geophysical Data Center. 2006: 2-minute Gridded Global Relief Data (ETOPO2) v2. NOAA National Centers for Environmental Information. https://doi.org/10.7289/V5J1012Q. Accessed [date].
    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.
    Lineage information for: dataset
    Processor
    • NOAA National Geophysical Data Center
    Processing Steps
    • 2006-01-01T00:00:00 - https://www.ngdc.noaa.gov/mgg/global/relief/ETOPO2/ETOPO2v2-2006/ETOPO2v2g/ETOPO2v2g_ReadMe.txt or https://www.ngdc.noaa.gov/mgg/global/relief/ETOPO2/ETOPO2v2-2006/ETOPO2v2c/ETOPO2v2c_ReadMe.txt depending in choice of data base
    Source Datasets
    • Gebco_SandS_blend
      • Description of Source: Source Contribution: Smith and Sandwell 1' grid data "Gebco_SandS_blend.bi2", resampled to 2' cell averages ; Source Type: no longer available online
      • Time Instant: 2004-04-13
    • GLOBE
      • GLOBE 30-second gridded land elevation data
        GLOBE 30-second gridded land elevation data
      • Description of Source: Source Contribution: Global Land One-kilometer Base Elevation (GLOBE) data ; Source Type: Online
      • Time Instant: 1998-09-01
    • International Bathymetric Chart of the Arctic Ocean
      • IBCAO gridded elevations
        IBCAO gridded elevations
      • Description of Source: Source Contribution: 1-minute latitude-longitude grid of elevations, interpolated from the original 250-meter polar stereographic grid ; Source Type: Online
      • Time Instant: 2001-01-01
    • Caspian Sea Bathymetry
      • Coastline of the Caspian Sea
        This page contains some useful GIS data for the Caspian Sea region presented in the ASCII format, in the Surfer 7.0 format (Golden Software, Inc.), and in the Shape-file format (ArcView GIS files)
      • Description of Source: Source Contribution: Digitized contours of Caspian Sea bathymetry ; Source Type: Online
      • Time Instant: 1999-05-01
    • Coastal Relief Model
      • NGDC Coastal Relief Model
        3-second gridded bathymetric and elevation data from NGDC
      • Description of Source: Source Contribution: Coastal Relief Model elevation and bathymetry data for USA waters ; Source Type: Online
      • Time Instant: 2006-01-01
    • Great Lakes Gridded Bathymetry
      • Great Lakes bathymetry
        3-second Gridded bathymetric data from the US Great Lakes
      • Description of Source: Source Contribution: Gridded bathymetry for the US Great Lakes ; Source Type: Online
      • Time Instant: 2006-01-01
    Lineage information for: repository
    Processing Steps
    • 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.
    Last Modified: 2023-09-14-06:00
    For questions about the information on this page, please email: ncei.info@noaa.gov