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Map and GIS database of glacial landforms and features related to the last British Ice Sheet.

Clark, C. D. and Evans, D. J. A. and Khatwa, A. and Bradwell, T. and Jordan, C. J. and Marsh, S. H. and Mitchell, W. A. and Bateman, M. D. (2004) 'Map and GIS database of glacial landforms and features related to the last British Ice Sheet.', Boreas., 33 (4). pp. 359-375.

Abstract

A review of the academic literature and British Geological Survey mapping is employed to produce a 'Glacial Map', and accompanying geographic information system (GIS) database, of features related to the last (Devensian) British Ice Sheet. The map (1:625 000) is included in a folder and GIS data are freely available by web download (http://www.shef.ac.uk/geography/staff/clark_chris/britice.html). Emphasis is on information that constrains the last ice sheet. The following are included: moraines, eskers, drumlins, meltwater channels, tunnel valleys, trimlines, limit of key glacigenic deposits, glaciolacustrine deposits, ice-dammed lakes, erratic dispersal patterns, shelf-edge fans and the Loch Lomond Readvance limit of the main ice cap. The GIS contains over 20 000 features split into thematic layers (as above). Individual features are attributed such that they can be traced back to their published sources. Given that the published sources of information that underpin this work were derived by piecemeal effort over 150 years, then our main caveat is of data consistency and reliability. It is hoped that this compilation will stimulate greater scrutiny of published data, assist in palaeoglaciological reconstructions and facilitate use of field evidence in numerical ice-sheet modelling. It may also help direct field workers in their future investigations.

Item Type:Article
Keywords:Pleistocene Deposits, Labrador Sector, North-Sea, Scotland, Reconstruction, Palaeoglaciology, Cambridgeshire, Sedimentology, Morphology, Origin.
Full text:Full text not available from this repository.
Publisher Web site:http://dx.doi.org/10.1080/03009480410001983
Record Created:17 Nov 2006
Last Modified:25 Oct 2010 09:51

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