Abstract
Abstract The southern Brazilian shelf (extending from 34°S to 22°S) is discussed with special emphasis on its Holocene sedimentary evolution. The onset of the Rio de la Plata plume influence on the inner shelf during the Late Holocene and the reworking of seafloor sediments by the Brazil Current in the outer shelf and upper slope are key elements. High-resolution sedimentary records have revealed palaeoceanographic changes in the Brazilian shelf, highlighting the importance of this sector of the Brazilian shelf to the comprehension of the palaeoclimate of South America, especially regarding oscillations of wind regime and humidity. These records also reveal that the recent sedimentary and oceanographic contrasts north and south of São Sebastião Island (24°S) have been present in the Brazilian shelf at least since the Early Holocene.
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