Plynlimon research catchments: digital terrain model

Hydrologically corrected digital terrain model (DTM) of Plynlimon catchments

Publication date: 2010-06-18

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Supporting documentation

Format of the dataset : ASCII grid

Access and use conditions

This dataset is part of the following

Where/When

Study area
Temporal extent
1968-12-31    to    …

Quality

Lineage
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.

Other contacts

Point Of Contact
Centre for Ecology & Hydrology
Maclean Building, Benson Lane, Crowmarsh Gifford
OX10 8BB Wallingford
Oxfordshire
United Kingdom
Originator
Centre for Ecology & Hydrology
Custodian
Environmental Information Data Centre

Spatial

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

Keywords

Topic categories
Elevation
Other keywords
digital terrain model
DTM
digital elevation model
DEM
ground surface
river
stream
Other keywords
Water Resources
Mapping
Rees Section
Discipline keywords
hydrology
hydrochemistry
water quality
Place keywords
United Kingdom
Wales
plynlimon
severn
hafren
hore
tanllwyth
wye
gwy
cyff
iago
Theme keywords
Elevation

Dataset identifiers

CEH:EIDC:#1364210594753
https://catalogue.ceh.ac.uk/id/4f6dcead-fd4c-4ae5-83ac-25694c9daf9b

Metadata

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Last updated
2018-06-11T15:38:16