Questioning North Atlantic freshening as a driver of rapid climate change

Marilena Oltmanns1, N. Penny Holliday2, Ben I Moat2 and Sheldon Bacon3, (1)Alfred Wegener Institute - Helmholtz Center for Polar and Marine Research, Bremerhaven, Germany, (2)National Oceanography Centre, Southampton, United Kingdom, (3)National Oceanography Ctr, Southampton, United Kingdom