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GTOPO30 global digital elevation model +

Creation date"Creation date" is a predefined property that corresponds to the date of the first revision of a subject and is provided by <a target="_blank" rel="nofollow noreferrer noopener" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.

16:52:51, 10 February 2010 +

Data download link

http://eros.usgs.gov/#/Find Data/Products and Data Available/gtopo30 info +

Data format

NetCDF +

Data origin

Measured +

Data projection

The reference ellipsoid/datum is WGS84 +

Data resolution

30 arc second (~1km) +

Data source link

http://eros.usgs.gov/#/Find Data/Products and Data Available/gtopo30 info +

Data spatial coverage

Global +

Data temporal coverage

Time averaged +

Data time period covered

completed in 1996 +

Data type

Topography +

Extended data description

GTOPO30 is a global digital elevation model (DEM) with a horizontal grid spacing of 30 arc seconds (approximately 1 kilometer). GTOPO30 was derived from several raster and vector sources of topographic information. +

Last editor is"Last editor is" is a predefined property that contains the page name of the user who created the last revision and is provided by <a target="_blank" rel="nofollow noreferrer noopener" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.

User:WikiSysop +

Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a target="_blank" rel="nofollow noreferrer noopener" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.

16:35:54, 11 March 2025 +

One-line data description

GTOPO30 is a global digital elevation model with a horizontal resolution of 30 arc seconds. +

Upload image dataset

Image:GTOPO30.png +