[1] A database of the derived soil attributes for all soils which were delineated on the 1: 250 000 scale soil maps of Great Britain was created along with the hydrological indices of Base Flow index and Standard Percentage Runoff derived from the Institute of Hydrology's National River Flow Archive [2].
Links:
[1] https://www.hutton.ac.uk/sites/default/files/images/research/Soils%40Hutton/host_hydrograpgh.gif
[2] http://nrfa.ceh.ac.uk/
[3] https://www.hutton.ac.uk/staff/allan-lilly