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Nutrient mineralization rates and ratios in the eastern South Atlantic - art. no. C05030 ArchiMer
Brea, Samenta; Alvarez Salgado, X; Alvarez, M; Perez, F; Memery, L; Mercier, Herle; Messias, M.j..
The physical and biogeochemical components of nutrients and inorganic carbon distributions along WOCE line A14 are objectively separated by means of a constrained least-squares regression analysis of the mixing of eastern South Atlantic water masses. Contrary to previous approaches, essentially devoted to the intricate South Atlantic circulation, this work is focused on the effects of circulation on nutrients and carbon biogeochemistry, with special emphasis on the stoichiometry and the rate of mineralization processes. Combination of nutrient and apparent CFC-age anomalies, derived from the mixing analysis, indicate faster mineralization rates in the equatorial (12 x 10(-2) mumol P kg(-1) yr(-1)) and subequatorial (5.3 x 10(-2) mumol P kg(-1) yr(-1)) than...
Tipo: Text Palavras-chave: South Atlantic; Biogeochemical cycles; Water masses.
Ano: 2004 URL: https://archimer.ifremer.fr/doc/2004/publication-836.pdf
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