Equatorial Undercurrent and Related Currents off Brazil in March and April 1963.
In 1963, the source of the Equatorial Undercurrent appeared to be near 38 degrees W. This undercurrent was an equatorial extension of a narrow saline current setting east-southeast at the surface near 2 degrees N 42 degrees W. Near 380 degrees W, a retroverse branch of the Guiana Current also joined the Equatorial Undercurrent. Surface flow was easterly along all of the east-southeast current and the undercurrent observed. The subsurface-velocity maximum of the undercurrent was higher at 35 degrees W than at 38 degrees W.
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