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Plynlimon research catchments: digital terrain model

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

Simple

Date (Publication)
2010-06-18
Identifier
CEH:EIDC: / 1364210594753
Identifier
https://catalogue.ceh.ac.uk/id/4f6dcead-fd4c-4ae5-83ac-25694c9daf9b
Point of contact
  UK Centre for Ecology & Hydrology
Originator
  Centre for Ecology & Hydrology
Custodian
  NERC EDS Environmental Information Data Centre
Owner
  UK Centre for Ecology & Hydrology
Maintenance and update frequency
notPlanned Not planned
Maintenance note
Completed
GEMET - INSPIRE themes, version 1.0
  • Elevation
Access constraints
otherRestrictions Other restrictions
Other constraints
no limitations
Use constraints
otherRestrictions Other restrictions
Other constraints
This resource is made available under the terms of the Open Government Licence
Use constraints
otherRestrictions Other restrictions
Other constraints
© UK Centre for Ecology & Hydrology
Spatial representation type
grid Grid
Distance
15  urn:ogc:def:uom:EPSG::9001
Metadata language
EnglishEnglish
Character set
utf8 UTF8
Topic category
  • Elevation
Begin date
1968-12-31
N
S
E
W
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Unique resource identifier
OSGB 1936 / British National Grid
Distribution format
  • ASCII grid ()

Distributor
  NERC EDS Environmental Information Data Centre
OnLine resource
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Hierarchy level
dataset Dataset
Other
dataset

Conformance result

Date (Publication)
2010-12-08
Statement
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.
File identifier
4f6dcead-fd4c-4ae5-83ac-25694c9daf9b XML
Metadata language
EnglishEnglish
Character set
ISO/IEC 8859-1 (also known as Latin 1) 8859 Part 1
Hierarchy level
dataset Dataset
Hierarchy level name
dataset
Date stamp
2025-11-13T16:18:12
Metadata standard name
UK GEMINI
Metadata standard version
2.3
Point of contact
  NERC EDS Environmental Information Data Centre
Lancaster Environment Centre, Library Avenue, Bailrigg , Lancaster , LA1 4AP , UK
https://eidc.ac.uk/
 
 

Overviews

Spatial extent

N
S
E
W
thumbnail


Keywords

GEMET - INSPIRE themes, version 1.0
Elevation

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