⛰️ Digital Elevation Models

Global Ungauged basins

ETOPO 2022 15 Arc-Second Global Relief Model

ETOPO 2022 is a seamless global topographic and bathymetric relief model developed and distributed by the National Oceanic and Atmospheric Administration National Centers for Environmental Information — NOAA N…

Provider National Oceanic and Atmospheric Administration National Centers for Environmental Information

Resolution Complete pole-to-pole global coverage from 90° N to 90° S and from 180° W to 180° E, integrating terrestrial topography, coastal elevation, inland-water depths, ocean bathymetry and polar ice-sheet information

Global Ungauged basins

Copernicus DEM GLO-30 — Global 30 m Digital Surface Model

A globally consistent digital surface model providing elevation at approximately 30-metre resolution, with edited water bodies, shorelines, rivers and terrain features plus quality and source-information layer…

Provider Copernicus Earth Observation Programme of the European Union

Resolution One arc-second latitude spacing, approximately 30.9 metres at the equator. Longitude spacing varies by latitude band and becomes wider in arc-seconds toward the poles to reduce meridian-convergence effects.

Global Ungauged basins

ALOS Global Digital Surface Model — ALOS World 3D 30 m

A global digital surface model with approximately 30 m horizontal resolution, produced principally from stereo images acquired by the PRISM sensor aboard Japan’s ALOS satellite and supplemented with other elev…

Provider Japan Aerospace Exploration Agency Earth Observation Research Center

Resolution Approximately 30 metres. The basic grid spacing is one arc-second in latitude and longitude between the equator and 60° latitude. At higher latitudes, longitudinal spacing changes by latitude zone to approximately 2 ar

Ungauged basins

ArcticDEM High-Resolution Arctic Digital Surface Model

A high-resolution Arctic digital surface model produced from optical stereo satellite imagery, providing time-stamped 2 m elevation strips and 2 m, 10 m and 32 m mosaics for Greenland, Alaska and other land ar…

Provider Polar Geospatial Center, University of Minnesota

Resolution Time-stamped strip DEMs: 2 metres Principal ArcticDEM Mosaic Version 4.1: 2 metres Reduced-resolution mosaics: 10 metres and 32 metres Version 4.1 full mosaic tiles are commonly divided into approximately 50 km × 50 k

Global Ungauged basins

ASTER Global Digital Elevation Model Version 3

A near-global digital surface elevation model at one-arc-second spacing, approximately 30 metres at the equator, produced from more than 1.88 million ASTER stereo scenes and supplemented with reference elevati…

Provider National Aeronautics and Space Administration and Japan’s Ministry of Economy, Trade and Industry

Resolution One arc-second geographic grid spacing, equivalent to approximately 30 metres at the equator; distributed as one-degree-by-one-degree tiles containing 3,601 rows and 3,601 columns with a one-pixel overlap

Global Ungauged basins

FABDEM V1-2 — Forest and Buildings Removed Copernicus DEM

A near-global terrain-elevation model at one-arc-second spacing, approximately 30 metres at the equator, created by applying machine-learning corrections to Copernicus GLO-30 to reduce elevation biases caused…

Provider University of Bristol and Fathom FABDEM Research Team

Resolution One arc-second geographic grid spacing, corresponding to approximately 30 metres at the equator. The data are distributed as 1° × 1° elevation tiles organised within 10° × 10° ZIP packages.

Global Ungauged basins

Global Multi-resolution Terrain Elevation Data 2010 — GMTED2010

A global multi-resolution elevation dataset developed by the USGS and the National Geospatial-Intelligence Agency, providing minimum, maximum, mean, median, standard-deviation, systematic-subsample and breakli…

Provider United States Geological Survey Earth Resources Observation and Science Center

Resolution 7.5 arc-seconds — approximately 250 metres at the equator 15 arc-seconds — approximately 500 metres at the equator 30 arc-seconds — approximately 1 kilometre at the equator

Ungauged basins

High Resolution Digital Elevation Model — HRDEM

An actively expanding Canadian high-resolution elevation collection providing 1 m or 2 m digital terrain models, digital surface models and terrain derivatives from airborne lidar and satellite stereo imagery.

Provider Natural Resources Canada

Resolution Lidar-derived products: 1 metre or 2 metres A 1 m grid is normally produced when source lidar density is at least 2 pulses per square metre. A 2 m grid is normally produced when source lidar density is below 2 pulses p

Global Ungauged basins

MERIT DEM — Multi-Error-Removed Improved-Terrain Digital Elevation Model

The Multi-Error-Removed Improved-Terrain Digital Elevation Model, known as MERIT DEM, is a high-accuracy global terrain-elevation dataset developed by researchers at the Global Hydrodynamics Laboratory of The…

Provider Global Hydrodynamics Laboratory, The University of Tokyo

Resolution Three arc-seconds, corresponding to approximately 90 to 93 metres at the equator. The dataset is distributed as 5° × 5° geographic tiles containing 6,000 rows and 6,000 columns.

Global Ungauged basins

NASADEM Merged DEM Global 1 Arc-Second V001

A near-global, approximately 30 m digital surface elevation model created through improved reprocessing of Shuttle Radar Topography Mission data, with reduced voids, improved elevation control, source informat…

Provider NASA Land Processes Distributed Active Archive Center

Resolution One arc-second geographic spacing, equivalent to approximately 30 metres at the equator; supplied as one-degree-by-one-degree tiles containing 3,601 rows and 3,601 columns

Global Ungauged basins

TanDEM-X 90 m Global Digital Elevation Model

Global radar-derived digital surface elevation model with approximately 90 m spacing and pole-to-pole land coverage

Provider German Aerospace Center

Resolution Three arc-seconds in the latitude direction, equivalent to approximately 90 to 93 metres at the equator. Longitudinal spacing varies by latitude zone, from 3 arc-seconds at low latitudes to as much as 30 arc-seconds clo

Ungauged basins

usgs-3dep-one-third-arc-second-digital-elevation-model

A free, continually updated bare-earth digital elevation model from the USGS 3D Elevation Program, providing seamless 1/3-arc-second — approximately 10 m — terrain coverage for the United States and its territ…

Provider United States Geological Survey National Geospatial Program

Resolution 1/3 arc second Approximately 10 metres north–south East–west ground spacing varies with latitude because of convergence of meridians The product is a geographic grid rather than an exact 10 m × 10 m projected raster