dataset · United Kingdom
Government / regulator
Potential evapotranspiration derived from the UK Climate Projections 2018 Regional Climate Model ensemble 1980-2080 (Hydro-PE UKCP18 RCM)
Gridded potential evapotranspiration calculated from United Kingdom Climate Projections 2018 (UKCP18) regional climate model (RCM) ensemble at 12 km resolution over the United Kingdom for the years 1980-2080 under the Representative Concentration Pathway 8.5 (RCP8.5) scenario. This dataset contains two potential evapotranspiration variables: daily total potential evapotranspiration (PET; kg m-2 d-1) and daily total potential evapotranspiration with interception correction (PETI; kg m-2 d-1). PET
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What's in it
- Data offered docs-verified
- daily total potential evapotranspiration (PET), kg m-2 d-1 (equivalent to mm d-1) · daily total potential evapotranspiration with interception correction (PETI), kg m-2 d-1 (equivalent to mm d-1)
- Coverage docs-verified
- United Kingdom · 1980-12-01 to 2080-11-30
- Resolution docs-verified
- 12 km (12000 m) raster on OSGB 1936 / British National Grid; daily totals
- Formats docs-verified
- NetCDF
- Access docs-verified
- Open Government Licence; free download from the NERC EDS Environmental Information Data Centre. Scripted (wget/curl) bulk download uses a personal access token per the docs example.
Useful for
- Use cases llm-inferred
- Climate change drought assessment: PET inputs for water balance and soil moisture analysis under RCP8.5, 1980-2080 · Future flows: PET forcing for grid-based or catchment hydrological models in climate change flood or water resources studies · Water resources strategy: long-term evaporative demand trends for a catchment or supply area
- Audience llm-inferred
- hydrologists · flood risk consultants · water resources engineers · environmental consultants · climate adaptation planners
Limitations
- Constraints llm-inferred
- Single emissions scenario (RCP8.5) only; other pathways are not included · Model projections, not observations; 12 km grid is coarse for site-scale work · PET is for a well-watered grass reference surface, not actual evapotranspiration from specific land cover · Twelve-member ensemble requires handling of ensemble spread in any analysis · NetCDF output needs GIS or scientific tooling to use · Scripted bulk download appears to need a personal access token
- Licence
- 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)