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Plynlimon research catchments

This is a series of spatial and time series datasets including river networks, digital terrain model, soils, meteorology, river flow and hydro-chemistry.The Plynlimon research catchments lie within the headwaters of the River Severn and the River Wye in the uplands of mid-Wales. Intensive and long-term monitoring within the catchments underpins a wealth of hydrological and hydro-chemical research. Monitoring is funded by the Centre for Ecology & Hydrology, and is ongoing since 1968. The combined

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What's in it

Data offered docs-verified
river network · digital terrain model · soils · meteorology · river flow · hydro-chemistry · rainfall · cloud · vegetation map · soil parent materials · catchment boundaries · elevation contour lines · spot heights · sub-daily meteorology and river flow observations (1968-2010) · high-frequency hydrochemistry
Coverage docs-verified
Plynlimon research catchments, headwaters of the River Severn and River Wye, uplands of mid-Wales · Monitoring ongoing since 1968; sub-daily met and flow dataset covers 1968-2010
Resolution docs-verified
Sub-daily temporal resolution for the meteorology and river flow dataset; spatial resolution not stated
Access llm-inferred
Non-Open Government Licence (per entry metadata); no authentication listed

Useful for

Use cases llm-inferred
FRA baseline flows from upland river flow records · Rainfall-runoff model calibration using sub-daily meteorology and river flow · Terrain, soils and river network inputs for upland catchment hydrological modelling · Hydrochemistry context for water quality baseline assessments in mid-Wales
Audience llm-inferred
hydrologists · flood risk consultants · water quality scientists · GIS analysts · drainage engineers

Limitations

Constraints llm-inferred
Non-Open Government Licence: check terms before reuse in client deliverables · Coverage limited to the Plynlimon catchments in mid-Wales; not transferable to other catchments without further data · Sub-daily meteorology and river flow dataset ends in 2010 per its title · Spatial resolution of the terrain and soils datasets not stated in the docs
Licence
Non-Open government licence
Authentication
Unknown — review source docs
GitHub stars
Unknown
Last commit
Unknown
Last successful page check
16/10/2026
Page health
healthy
Package
Not recorded
Verification
Not independently verified

Provenance & evidence

Listed in ukceh-eidc public catalogue API on 2026-10-16; relevance/value screened (haiku).

Metadata observed 14/10/2026 · research sweep: sweep-2026-10-16 (ukceh-eidc)