Simon J Dadson¹, Eleanor Blyth¹, Doug Clark¹, Richard Ellis¹, Andrew Hughes², Jamie Hannaford¹, Bryan Lawrence³, Jan Polcher⁴ and Nick Reynard¹, (1)NERC Centre for Ecology and Hydrology, Wallingford, United Kingdom, (2)British Geological Survey Keyworth, Nottinghamshire, United Kingdom, (3)University of Reading, Reading, United Kingdom, (4)CNRS/IPSL, Laboratoire de Météorologie Dynamique (LMD), Paris, France