ETOPO1: Global 1 Arc-Minute Elevation

  • ETOPO1 provides a 1 arc-minute global relief model integrating land topography and ocean bathymetry at a resolution of 1855 meters.

  • This dataset includes two elevation bands: bedrock elevation and ice surface elevation.

  • It is freely available for use with attribution to NCEI.

  • ETOPO1 is accessible through Google Earth Engine for analysis and visualization.

  • NOAA is the provider of this public domain dataset.
NOAA/NGDC/ETOPO1
Dataset Availability
2008-08-01T00:00:00Z–2008-08-01T00:00:00Z
Dataset Provider
Earth Engine Snippet
ee.Image("NOAA/NGDC/ETOPO1")
Tags
bedrock dem elevation elevation-topography geophysical ice noaa topography

Description

ETOPO1 is a 1 arc-minute global relief model of Earth''s surface that integrates land topography and ocean bathymetry. It was built from numerous global and regional data sets. It contains two elevation bands: ice_surface and bedrock.

Bands

Pixel Size
1855 meters

Bands

Name Units Min Max Pixel Size Description
bedrock m -10898* 8271* meters

Elevation at ground level and at the base of the Antarctic and Greenland ice sheets
ice_surface m -10898* 8271* meters

Elevation at ground level and at the top of the Antarctic and Greenland ice sheets
* estimated min or max value

Terms of Use

Terms of Use

It is not necessary to obtain written permission to use ETOPO1 or other NOAA products that are in the public domain, nor are there any fees for using them. We ask only that you cite NCEI as source.

Citations

Citations:

  • Amante, C. and B. W. Eakins, ETOPO1 1 Arc-Minute Global Relief Model: Procedures, Data Sources and Analysis. NOAA Technical Memorandum NESDIS NGDC-24, 19 pp, March 2009.

DOIs

Explore with Earth Engine

Code Editor (JavaScript)

var dataset = ee.Image('NOAA/NGDC/ETOPO1');
var elevation = dataset.select('bedrock');
var elevationVis = {
  min: -7000.0,
  max: 3000.0,
  palette: ['011de2', 'afafaf', '3603ff', 'fff477', 'b42109'],
};
Map.setCenter(-37.62, 25.8, 2);
Map.addLayer(elevation, elevationVis, 'Elevation');
Open in Code Editor
ETOPO1 is a 1 arc-minute global relief model of Earth''s surface that integrates land topography and ocean bathymetry. It was built from numerous global and regional data sets. It contains two elevation bands: ice_surface and bedrock.
NOAA/NGDC/ETOPO1, bedrock,dem,elevation,elevation-topography,geophysical,ice,noaa,topography
2008-08-01T00:00:00Z/2008-08-01T00:00:00Z
-90 -180 90 180
Google Earth Engine