Plynlimon research catchments: digital terrain model

Name: Plynlimon research catchments: digital terrain model
Published: 2010-06-18

Hydrologically corrected digital terrain model (DTM) of Plynlimon catchments. The DTM was derived from digitised elevation data from scanned topographic maps.

Publication date: 2010-06-18

Format

ASCII grid

Spatial information

Study area
Spatial representation type: Raster
Spatial reference system: OSGB 1936 / British National Grid

Temporal information

Temporal extent: 1968-12-31 to …

Provenance & quality

Plynlimon digital terrain model was derived from digitised elevation data. The elevation data had been digitised from scanned topographic maps (reference below). Once the elevation data was captured (spot heights and contour lines) a TIN was created which was then used to derived a hydrologically corrected, grid-based DTM. All the processing was done in ARCINFO however it was not documented therefore no further details can be provided. Topographic maps reference: Plynlimon Catchment Areas - Severn Catchment. Sheet No. 1. Scale 1:5000. Wallingford, Berkshire. Institute of Hydrology, Natural Environmental Research Council, 1968. Plynlimon Catchment Areas - Wye Catchment. Sheet No. 2. Scale 1:5000. Wallingford, Berkshire. Institute of Hydrology, Natural Environmental Research Council, 1968.

This dataset is included in the following collections

Plynlimon research catchments

Correspondence/contact details

UK Centre for Ecology & Hydrology

Maclean Building, Benson Lane, Crowmarsh Gifford
OX10 8BB Wallingford
Oxfordshire
UNITED KINGDOM

enquiries@ceh.ac.uk

Other contacts

Rights holder: UK Centre for Ecology & Hydrology
Custodian: NERC EDS Environmental Information Data Centre
info@eidc.ac.uk
Originator: Centre for Ecology & Hydrology
enquiries@ceh.ac.uk

Additional metadata

Topic categories: elevation
INSPIRE theme: Elevation
Keywords: cyff , DEM , digital elevation model , digital land model , digital terrain model , DTM , ground surface , gwy , hafren , hore , Hydrology , iago , Mapping , plynlimon , river , severn , stream , tanllwyth , United Kingdom , Wales , Water quality , wye
Last updated: 27 February 2024 16:16

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