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Interannual variability of the sea surface temperature in the South Brazil Bight

1999; American Geophysical Union; Volume: 26; Issue: 14 Linguagem: Inglês

10.1029/1999gl900297

1944-8007

Edmo Campos, Carlos A. D. Lentini, Jerry L. Miller, Alberto Piola,

Ocean Acidification Effects and Responses

In the austral winter of 1993, during a COROAS hydrographic cruise in the South Brazil Bight (SBB), an unexpected mass of cold and fresh water was observed on the continental shelf near 23°S. Subsequent analyses of different data sets suggested that the origin of that water was probably the Argentine continental shelf, near the Rio de la Plata mouth. In this article, a 13‐year time series of AVHRR Sea Surface Temperature anomalies is analyzed to investigate the occurrence of this phenomenon in other periods. The results of these analyses and a good correlation with the Southern Oscillation Index suggest that the penetration of these waters into the SBB occurs in a frequency that may be associated with ENSO events.