Has the Northern Hemisphere Mid-Latitude Hydrological Cycle Responded to Twentieth Century Aerosol Forcing?

Francis H Lambert1, Joe Michael Osborne2, Margriet Groenendijk2, Anna B. Harper3, Charles D Koven4, Benjamin Poulter5, Thomas Pugh6, Stephen Sitch7, Benjamin David Stocker8, Andy Wiltshire9 and Soenke Zaehle10, (1)University of Exeter, Exeter, EX4, United Kingdom, (2)University of Exeter, Exeter, United Kingdom, (3)University of Exeter, College of Engineering, Mathematics and Physical Sciences, Exeter, United Kingdom, (4)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (5)NASA GSFC, Biospheric Science, Greenbelt, United States, (6)Karlsruhe Institute of Technology, Karlsruhe, Germany, (7)University of Exeter, College of Life and Environmental Sciences, Exeter, United Kingdom, (8)Imperial College London, London, SW7, United Kingdom, (9)Met Office Hadley Centre, Exeter, United Kingdom, (10)Max Planck Institute for Biogeochemistry, Jena, Germany