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Reconstruction of productivity signal and deep-water conditions in Moroccan Atlantic margin (similar to 35 degrees N) from the last glacial to the Holocene ArchiMer
El Frihmat, Yassine; Hebbeln, Dierk; Jaaidi, E. L. Bachir; Mhammdi, Nadia.
In order to assess the changes in sea-surface hydrology and productivity signal from the last glacial to the Holocene; a set of isotopic, geochemical and microgranulometric proxies was used for this study. Former studies revealed that the reconstruction of paleoproductivity from ocean sediment gives different results depending the measurement used. The comparison between our productivity proxies (total organic carbon, carbonate and planktonic delta C-13) as well as previous results in nearby location indicates that the planktonic delta C-13 responds better to marine productivity changes and represents therefore a suitable proxy for paleoproductivity reconstruction in our studied area. The productivity signal reveals two main enrichments during the Young...
Tipo: Text Palavras-chave: Paleoproductivity; Larache margin; Late quaternary; Total organic carbon; Carbonate; Planktonic delta C-13.
Ano: 2015 URL: https://archimer.ifremer.fr/doc/00352/46274/46045.pdf
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