Geophysical Research Letters Geophysical Research Letters, American Geophysical Union, 2016, 43, ⟨10.1002/2016GL069600⟩ Geophysical Research Letters, 2016, 43, ⟨10.1002/2016GL069600⟩ Geophysical Research Letters (0094-8276) (Amer Geophysical Union), 2016-07, Vol. 43, N. 13, P. 6817-6825