Low Frequency Time-Space Evolution of Geopotentials over the Euro-Atlantic Area and Links with Streamflow in France from 1968 to 2008 using Spectral Analysis and Differential Geometry

Manuel Fossa1, Nicolas Massei2, Benoit Laignel2 and Matthieu Fournier1, (1)Normandie Univ, UNIROUEN, UNICAEN, CNRS, M2C, 76000, Rouen, France, (2)Normandie Univ, UNIROUEN, UNICAEN, CNRS, M2C, Rouen, France