Geophysical Research Letters Geophysical Research Letters, American Geophysical Union, 2021, 48 (14), ⟨10.1029/2021GL092824⟩ Geophysical Research Letters (0094-8276) (American Geophysical Union (AGU)), 2021-07, Vol. 48, N. 14, P. e2021GL092824 (10p.)