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Atmospheric patterns driving Holocene productivity in the Alboran Sea (Western Mediterranean): A multiproxy approach 5
Ausin, Blanca; Flores, Jose A.; Sierro, Francisco J.; Cacho, Isabel; Hernandez-almeida, Ivan; Martrat, Belen; Grimalt, Joan O..
High-resolution paleoproductivity variations have been reconstructed in a productive cell in the Alboran Sea for the Holocene. Fossil coccolithophore assemblages have been studied along with the U37 k' -estimated sea-surface temperature ( SST) and other paleoenvironmental proxies. The appearance of this cell is suggested at 7.7 ka cal. BP and was linked to the establishment of the western anti-cyclonic gyre. From that time until the present, the nannofossil accumulation rate of Florisphaera profunda has revealed successive episodes of weakening and strengthening of upwelling conditions in the Alboran Sea that have been simultaneous to changes in Western Mediterranean Deep Water ( WMDW) formation in the Gulf of Lions. A two-phase scenario operating at...
Tipo: Text Palavras-chave: Alboran Sea; Coccolithophore productivity; Holocene; North Atlantic Oscillation; Western Mediterranean Deep Water.
Ano: 2015 URL: https://archimer.ifremer.fr/doc/00351/46265/46054.pdf
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