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Interannual variation of sea level in the South Atlantic based on satellite altimetry.

Semyon Grodsky(1) and James Carton(1)

(1) University of Maryland, Computer Space Sci. Bldg., College Park, MD 20742, United States

Abstract

11 years of altimeter monthly sea level are used to further explore interannual variability of the South Atlantic. The strongest variability outside the eastern and western boundaries is trapped to relatively narrow zonally oriented band between 35S and 25S, the Agulhas eddy corridor. On their way across the South Atlantic the Agulhas eddies gain energy on the southern flank of the eddy corridor via the barotropic conversions by decelerating the South Atlantic Current. On interannual time scales the sea level in the corridor fluctuates out of phase in the west and east revealing noticeable variations of 10 cm at 4 to 5 year cycle.

 

Full paper

Workshop poster

 

                 Last modified: 07.10.03