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Provedor de dados:  OceanDocs
País:  Belgium
Título:  Variaciones interanuales (1995-2000) de la temperatura y la salinidad registradas en los meses de enero en el golfo San Jorge y aguas adyacentes (43°S-47°S).
Temperature and salinity interannual variations (1995-2000)registered in January in the San Jorge Gulf and adjacent waters (43°S-47°S)
Autores:  Louge, E.
Reta, R.
Santos, B.A.
Hernandez, D.R.
Data:  2007-03-09
Ano:  2004
Palavras-chave:  Salinity
Temperature
Shelf fronts
Thermocline
Environmental factors
Nursery grounds
Climatic changes
Environmental factors
Salinity
Temperature
Nursery grounds
Http://aims.fao.org/aos/agrovoc/c_2594
Http://aims.fao.org/aos/agrovoc/c_6751
Http://aims.fao.org/aos/agrovoc/c_7657
Http://aims.fao.org/aos/agrovoc/c_25438
Resumo:  Temperature and salinity interannual variations are analyzed south ofthe hake (Merluccius hubbsi)spawning grounds area, in the San Jorge Gulf and adjacent waters Argentine Sea, SW Atlantic. The study period comprises the months of January 1995-2000. Results of cruises carried out on board of INIDEP research vessels to assess hake juveniles were studied. Statistically significant increase of temperature from 1997 was observed. Change trends over a period of 20 years at a global climate scale are discussed. Mean salinity did not show variations except for 2000 when it was slightly higher probably due to the scarce influence of the Patagonian Current in the area. Temperature and salinity fields showed a horizontal gradient south of the Gulf (thermohaline front)while in the mouth a thermal gradient, more marked at the bottom than on the surface (coastal tidal front)was observed. The presence of a thermocline between 30 m and 50 m depth is described. Statistically, surface and bottom temperatures were equivalent to those of surface and bottom layers.
Tipo:  Journal Contribution
Idioma:  Espanhol
Identificador:  Revista de Investigación y Desarrollo Pesquero, 16. p. 27-42

0325-6375

http://hdl.handle.net/1834/1500
Formato:  1081309 bytes

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