1997
DOI: 10.1590/s1413-77391997000100002
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Biological and oceanographic upwelling indicators at Cabo Frio (RJ)

Abstract: . Abstract: Phytoplankton biomass, chemical parameters and hydrology were studied in a transect 101.6 km long offCabo ]<'rio(RJ), Southeast Brazil, during summer (December 29 to 31, 1991) and winter (June 27 to 30, 1992). Wind induced upwelling events are frequently observed in the area during summer, becoming rare during winter. By the summer cruise a bloom of phytoplankton was observed in surface, close to the coast, with chlorophyll concentrations reaching 25.55 mg Chl-a m.3, uncoupled from the cold, nutri… Show more

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Cited by 15 publications
(2 citation statements)
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“…Wind and wind stress curl variability are also important in the development of upwelling and downwelling cycles [Carbonel 2003;Castelão and Barth 2006]. Though upwelling around CF has been reported in winter [Moser and Gianesella-Galvão, 1997], the more frequent and intense events are observed in summer and spring. The later events can influence the position of the Brazilian sardine spawning areas [Matsuura, 1998] and the algal distribution [Guimaraens and Coutinho, 2000].…”
Section: Introductionmentioning
confidence: 99%
“…Wind and wind stress curl variability are also important in the development of upwelling and downwelling cycles [Carbonel 2003;Castelão and Barth 2006]. Though upwelling around CF has been reported in winter [Moser and Gianesella-Galvão, 1997], the more frequent and intense events are observed in summer and spring. The later events can influence the position of the Brazilian sardine spawning areas [Matsuura, 1998] and the algal distribution [Guimaraens and Coutinho, 2000].…”
Section: Introductionmentioning
confidence: 99%
“…25 Coastal upwelling is an important process because it brings nutrient-rich water to the surface, thereby allowing the development of phytoplankton blooms. 23,26 Acoording to Carbonel and Valentin, 27 the sea surface temperature that normally ranges from 20 to 22 ºC may decrease to 15 °C, triggering an enrichment in nutrient concentration of up to 10-12 µmol L -1 NO 3 -N and a phytoplankton production (in chlorophyll a) of up to 6 mg L -1 .…”
mentioning
confidence: 99%