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Title Sum-
Institution Dataset ID
 data       graph  M    SRTM30+ Global 1-km Digital Elevation Model (DEM): Version 11: Land Surface    ?   F   I   M   background (external link) RSS Subscribe
Scripps Instituti...  ?

The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL acknowledgement String The Pacific Islands Ocean Observing System (PacIOOS) is funded through the National Oceanic and Atmospheric Administration (NOAA) as a Regional Association within the U.S. Integrated Ocean Observing System (IOOS). PacIOOS is coordinated by the University of Hawaii School of Ocean and Earth Science and Technology (SOEST).
attribute NC_GLOBAL cdm_data_type String Grid
attribute NC_GLOBAL comment String These data are provided by David Sandwell of the Scripps Institution of Oceanography and subsequently distributed via THREDDS Data Server (TDS) and ERDDAP by PacIOOS.
attribute NC_GLOBAL contributor2_institution String Scripps Institution of Oceanography (SIO)
attribute NC_GLOBAL contributor2_name String Joseph J. Becker
attribute NC_GLOBAL contributor2_role String originator
attribute NC_GLOBAL contributor2_type String person
attribute NC_GLOBAL contributor_email String Walter.HF.Smith at
attribute NC_GLOBAL contributor_institution String NOAA Laboratory for Satellite Altimetry
attribute NC_GLOBAL contributor_name String Walter H.F. Smith
attribute NC_GLOBAL contributor_role String originator
attribute NC_GLOBAL contributor_type String person
attribute NC_GLOBAL contributor_url String (external link)
attribute NC_GLOBAL Conventions String CF-1.6, ACDD-1.3
attribute NC_GLOBAL creator_email String dsandwell at
attribute NC_GLOBAL creator_institution String Scripps Institution of Oceanography (SIO)
attribute NC_GLOBAL creator_name String David T. Sandwell
attribute NC_GLOBAL creator_type String person
attribute NC_GLOBAL creator_url String (external link)
attribute NC_GLOBAL date_created String 2014-11-29
attribute NC_GLOBAL date_issued String 2015-05-20
attribute NC_GLOBAL date_metadata_modified String 2023-01-20
attribute NC_GLOBAL date_modified String 2014-11-29
attribute NC_GLOBAL drawLandMask String under
attribute NC_GLOBAL Easternmost_Easting double 179.99583333333334
attribute NC_GLOBAL geospatial_bounds String POLYGON ((-90 -180, 90 -180, 90 180, -90 180, -90 -180))
attribute NC_GLOBAL geospatial_bounds_crs String EPSG:4326
attribute NC_GLOBAL geospatial_lat_max double 89.99583333333334
attribute NC_GLOBAL geospatial_lat_min double -89.99583333333334
attribute NC_GLOBAL geospatial_lat_resolution double 0.008333333333333333
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double 179.99583333333334
attribute NC_GLOBAL geospatial_lon_min double -179.99583333333334
attribute NC_GLOBAL geospatial_lon_resolution double 0.008333333333333333
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL history String 2015-05-20T00:00:00Z PacIOOS obtained data files from Scripps ftp then masked out the ocean data and converted to NetCDF format.
attribute NC_GLOBAL id String srtm30plus_v11_land
attribute NC_GLOBAL infoUrl String (external link)
attribute NC_GLOBAL institution String Scripps Institution of Oceanography (SIO)
attribute NC_GLOBAL instrument String Earth Remote Sensing Instruments > Active Remote Sensing > Imaging Radars > > SRTM > Shuttle Radar Topography Mission
attribute NC_GLOBAL instrument_vocabulary String GCMD Instrument Keywords
attribute NC_GLOBAL ISO_Topic_Categories String elevation
attribute NC_GLOBAL keywords String Earth Science > Land Surface > Topography > Terrain Elevation > Digital Elevation/Terrain Model (Dem)
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
attribute NC_GLOBAL license String David T. Sandwell, Walter H. F. Smith, and Joseph J. Becker Copyright 2009. The Regents of the University of California. All Rights Reserved. Permission to copy, modify and distribute any part of this gridded bathymetry at 30 second resolution for educational, research and non-profit purposes, without fee, and without a written agreement is hereby granted, provided that the above copyright notice, this paragraph and the following three paragraphs appear in all copies. Those desiring to incorporate this global bathymetry into commercial products or use for commercial purposes should contact the Technology Transfer and Intellectual Property Services, University of California, San Diego, 9500 Gilman Drive, Mail Code 0910, La Jolla, CA 92093-0910, Ph: (858) 534-5815, FAX: (858) 534-7345, IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS global bathymetry, EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. THE global bathymetry PROVIDED HEREIN IS ON AN 'AS IS' BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. THE UNIVERSITY OF CALIFORNIA MAKES NO REPRESENTATIONS AND EXTENDS NO WARRANTIES OF ANY KIND, EITHER IMPLIED OR EXPRESS, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, OR THAT THE USE OF THE global bathymetry WILL NOT INFRINGE ANY PATENT, TRADEMARK OR OTHER RIGHTS.
attribute NC_GLOBAL locations String Geographic Region > Global Land
attribute NC_GLOBAL locations_vocabulary String GCMD Location Keywords
attribute NC_GLOBAL metadata_link String (external link)
attribute NC_GLOBAL naming_authority String org.pacioos
attribute NC_GLOBAL Northernmost_Northing double 89.99583333333334
attribute NC_GLOBAL platform String Models/Analyses > > DEM > Digital Elevation Model, Space Stations/Manned Spacecraft > Space Shuttle
attribute NC_GLOBAL platform_vocabulary String GCMD Platform Keywords
attribute NC_GLOBAL program String Pacific Islands Ocean Observing System (PacIOOS)
attribute NC_GLOBAL project String Pacific Islands Ocean Observing System (PacIOOS)
attribute NC_GLOBAL publisher_email String info at
attribute NC_GLOBAL publisher_institution String Pacific Islands Ocean Observing System (PacIOOS)
attribute NC_GLOBAL publisher_name String Pacific Islands Ocean Observing System (PacIOOS)
attribute NC_GLOBAL publisher_type String institution
attribute NC_GLOBAL publisher_url String (external link)
attribute NC_GLOBAL references String; Related publication: Becker, J.J., D.T. Sandwell, W.H.F. Smith, J. Braud, B. Binder, J. Depner, D. Fabre, J. Factor, S. Ingalls, S.-H. Kim, R. Ladner, K. Marks, S. Nelson, A. Pharaoh, R. Trimmer, J. Von Rosenberg, G. Wallace, and P. Weatherall (2009) Global Bathymetry and Elevation Data at 30 Arc Seconds Resolution: SRTM30_PLUS, Marine Geodesy, 32:4, 355-371, (external link)
attribute NC_GLOBAL source String USGS SRTM30 DEM, USGS GTOPO30 DEM
attribute NC_GLOBAL sourceUrl String
attribute NC_GLOBAL Southernmost_Northing double -89.99583333333334
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v39
attribute NC_GLOBAL summary String A global 1-km resolution land surface digital elevation model (DEM) derived from U.S. Geological Survey (USGS) 30 arc-second SRTM30 gridded DEM data created from the NASA Shuttle Radar Topography Mission (SRTM). GTOPO30 data are used for high latitudes where SRTM data are not available. For a grayscale hillshade image layer of this dataset, see "world_srtm30plus_dem1km_hillshade" in the distribution links listed in the metadata.
attribute NC_GLOBAL time_coverage_duration String P0D
attribute NC_GLOBAL time_coverage_resolution String P0D
attribute NC_GLOBAL title String SRTM30+ Global 1-km Digital Elevation Model (DEM): Version 11: Land Surface
attribute NC_GLOBAL Westernmost_Easting double -179.99583333333334
dimension latitude   double nValues=21600, evenlySpaced=true, averageSpacing=0.008333333333333333
attribute latitude _CoordinateAxisType String Lat
attribute latitude actual_range double -89.99583333333334, 89.99583333333334
attribute latitude axis String Y
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
dimension longitude   double nValues=43200, evenlySpaced=true, averageSpacing=0.008333333333333333
attribute longitude _CoordinateAxisType String Lon
attribute longitude actual_range double -179.99583333333334, 179.99583333333334
attribute longitude axis String X
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable elev   float latitude, longitude
attribute elev _FillValue float NaN
attribute elev colorBarMaximum double 6000.0
attribute elev colorBarMinimum double 0.0
attribute elev ioos_category String Other
attribute elev long_name String elevation
attribute elev positive String up
attribute elev standard_name String height
attribute elev units String meters

The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.

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