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| Meckler, A. Nele; Haug, Gerald H.; Sigman, Daniel M.; Plessen, Birgit; Peterson, Larry C.; Thierstein, Hans R.. |
| For the last deglaciation and Termination V ( the initiation of MIS 11 at around 430 ka) we report high-resolution sedimentary nitrogen isotope (delta(15)N)records from Cariaco Basin in the Caribbean Sea. During both terminations the previously reported interglacial decrease in delta(15)N clearly lags local changes such as water column anoxia as well as global increases in denitrification by several thousand years. On top of the glacial-interglacial change, several delta(15)N peaks were observed during the last deglaciation. The deglacial signal in Cariaco Basin can be best explained as a combination of (1) local variations in suboxia and water column denitrification as the reason for the millennial-scale peaks, (2) a deglacial maximum in mean ocean... |
| Tipo: Text |
Palavras-chave: Cariaco Basin; N fixation; Deglaciation. |
| Ano: 2007 |
URL: https://archimer.ifremer.fr/doc/00233/34457/32869.pdf |
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