Search site

River basins

In UKCP09 'river basins' refer to a division of the UK land area based on the Water Framework Directive River Basin Districts.

In detail

River basins are one of three pre-defined aggregated areas used in UKCP09. Probabilistic climate projection have been provided as an average of all UKCP09 25 km grid squares that comprise each river basin.

UKCP09 river basins for England, Northern Ireland, Scotland and Wales are based on the Water Framework Directive River Basin Districts. Due to its large geographical area, Scotland has been further sub-divided based on river basin management Advisory Group Boundaries.

Find out more


  • Maps showing the UKCP09 projections are available for each river basin region.


Download a larger version (pdf, 290 KB). [290kb]