Abstract
Abstract Two hydrographic sections made by R.V. Atlantis II in June 1972 are presented to confirm the existence of an abrupt drop in level of deep isotherms along the Brazil coast at ∼15°S latitude. The phenomenon is explicable in terms of the Stommel-Arons (1972) model of a bottom slope current as a result of supercritical slope of the bottom at the Abrolhos shoals which terminate the onshore stagnant region.
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