Plynlimon research catchments: catchment boundaries
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This dataset is made available under the terms of the Open Government Licence 
These catchment boundaries define upland catchments and subcatchments at the headwaters of rivers Upper Hafren (Severn) and Upper Gwy (Wye). They identify the area of study of the Plynlimon research catchment project.
Publication date: 2010-06-18
View numbers valid from 01 June 2023 Download numbers valid from 20 June 2024 (information prior to this was not collected)
Format
ESRI Shapefile format
Spatial information
Study area
Spatial representation type
Vector
Spatial reference system
OSGB 1936 / British National Grid
Temporal information
Temporal extent
1968-12-31 to …
Provenance & quality
The catchment boundaries have been digitised from scanned topographic maps of Plynlimon Catchment Areas. The source of the sub-catchments boundaries is unknown but must have also being digitised, most likely from hand-drawn boundaries on scanned maps. The topographic maps reference are: 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. Plynlimon Catchment Areas. Sheet No. 1. Scale 1:10000. Wallingford, Berkshire. Institute of Hydrology, Natural Environmental Research Council, 1968
Licensing and constraints
This dataset is made available under the terms of the Open Government Licence
© UK Centre for Ecology & Hydrology
Related
This dataset is included in the following collections
Correspondence/contact details
Matt Fry
UK Centre for Ecology & Hydrology
Maclean Building, Benson Lane, Crowmarsh Gifford
OX10 8BB Wallingford
Oxfordshire
UNITED KINGDOM
enquiries@ceh.ac.uk
OX10 8BB Wallingford
Oxfordshire
UNITED KINGDOM
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
Keywords
Last updated
27 February 2024 16:19