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Grid-to-Grid model estimates of river flow for Northern Ireland driven by UK Climate Projections 2018 (UKCP18) Regional (12km) data (1980 to 2080) v2

Gridded hydrological model river flow estimates on a 1km grid over Northern Ireland for the period Dec 1980 - Nov 2080. The dataset includes monthly mean river flow, annual maxima of daily mean river flow (water years Oct - Sept), along with the date of occurrence, and annual minima of 7-day mean river flow (years spanning Dec-Nov), along with the date of occurrence (units: m3/s). The data are provided in gridded netCDF files. There is one file for each variable and ensemble member. To aid inter

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What's in it

Data offered docs-verified
monthly mean river flow · annual maxima of daily mean river flow (water years Oct-Sept) · date of occurrence of annual maxima · annual minima of 7-day mean river flow (Dec-Nov years) · date of occurrence of annual minima · catchment areas grid · estimated flow gauging station locations grid · lake cell majority grid
Coverage docs-verified
Northern Ireland · 1980-12-01 to 2080-11-30
Resolution docs-verified
1 km (1000 m) spatial grid; monthly means and annual maxima/minima
Formats docs-verified
NetCDF
Access docs-verified
Free download under the Open Government Licence (OGL); scripted download examples use an Authorization Bearer personal access token

Useful for

Use cases llm-inferred
Climate-change river flow projections for Northern Ireland catchments in flood risk or drainage strategy context · Monthly mean flow inputs for water resources and abstraction licence assessments under RCP8.5 · Annual minimum 7-day flow trend analysis for low-flow and WFD ecological assessments · Annual maxima sensitivity checks for flood frequency work using the 12-member ensemble
Audience llm-inferred
hydrologists · flood consultants · drainage engineers · water resources engineers · ecologists · planners

Limitations

Constraints docs-verified
Modelled output, not observed gauge data · Single emissions scenario (RCP8.5) · Northern Ireland only · Netcdf files per variable and ensemble member, requires gridded data handling
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)