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The status of the world's public-domain digital topography of the land and ice

Wolf, M; Wingham, DJ; (1992) The status of the world's public-domain digital topography of the land and ice. Geophysical Research Letters , 19 (23) 2325 - 2328. 10.1029/92GL01886. Green open access

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Abstract

There has been no reasonably comprehensive survey of what digital, elevation models of the Earth's land surface exist in the public‐domain. We have performed a survey of these data, and we report on the coverage and cost of the data we have established. To qualify for inclusion in our coverage, we required the data to be available to the general public, obtainable from a specific, identified institution, and to have a determined cost. We have established that at 100 m resolution coverage exists of most of the the developed world. In the United States and Australia, the data are available at cost, at around 3000 km^{2} £^{-1}. In the remaining countries, the data are available from mapping agencies with varying commercial pricing strategies. The total cost of the data we have identified is £ 1,688,312. For much of the world we are unable to confirm the existence of such data, and our experience is that in these regions it will prove difficult to obtain digital, elevation data, if, indeed, it exists at all.

Type: Article
Title: The status of the world's public-domain digital topography of the land and ice
Open access status: An open access version is available from UCL Discovery
DOI: 10.1029/92GL01886
Publisher version: http://dx.doi.org/10.1029/92GL01886
Language: English
Additional information: Copyright 1992 by the American Geophysical Union
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Earth Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/75780
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