Great Britain 1:250K Database Digital Elevation Model: Bartholomews
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https://cmr.earthdata.nasa.gov/search/concepts/C1214585740-SCIOPS.html
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资源简介：
The following text was abstracted from Bruce Gittings' Digital
Elevation Data Catalogue: 'http://www.geo.ed.ac.uk/home/ded.html'.
The catalogue is a comprehensive source of information on digital
elevation data and should be retrieved in its entirety for additional
information.
The Great Britain 1:250K Database (doesn't include Northern Ireland
thus not the "UK" database - NI is part of the Ireland (now European
database)) costs #2850 or #65 per 100km National Grid tile.
Horizontal accuracy +/-200m. Vertical accuracy is approx. +/-10m - but
depends on how you take account of horizontal displacements. The size
is 70mb in Arc/Info format.
Discounts are normally available for educational establishments. For
research and teaching (excluding commercial research) the data can be
obtained at very low prices through CHEST at Manchester University
Computing Centre (Tel: 061 275 6099). Higher education users in ALL
European countries excluding the former Warsaw Pact area (for the time
being) may obtain data through CHEST following a new deal.
提供机构：
SCIOPS
