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| Deplazes, Gaudenz; Meckler, A Nele; Peterson, Larry C.; Hamann, Yvonne; Aeschlimann, Beat; Günther, Detlef; Martínez‐garcía, Alfredo; Haug, Gerald H.. |
| High‐resolution palaeorecords of climate are critical to improving current understanding of climate variability, its sensitivity and impact on the environment in the past and in the future. Sediments from the Cariaco Basin off the coast of Venezuela have proven to be sensitive recorders of tropical palaeoclimate variability down to an annual scale. However, the fingerprint of climate and sea level in the sediments of the last glacial period is still not completely understood. In this study, lamination analysis of sediments from the Cariaco Basin is extended to the last glacial period. Detailed sedimentological and geochemical analysis (laser ablation–inductively coupled plasma–mass spectrometry) reveals couplets of light‐coloured, terrigenous‐rich and... |
| Tipo: Text |
Palavras-chave: Cariaco Basin; Caribbean Sea; Flooding events; Glacial; Interglacial climate; Sea-level oscillations; Varved marine sediments. |
| Ano: 2019 |
URL: https://archimer.ifremer.fr/doc/00471/58302/60827.pdf |
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| Cortese, G.; Dunbar, G. B.; Carter, L.; Scott, G.; Bostock, H.; Bowen, M.; Crundwell, M.; Hayward, B. W.; Howard, W.; Martinez, J.l.; Moy, A.; Neil, H.; Sabaa, A.; Sturm, A.. |
| Paleoceanographic archives derived from 17 marine sediment cores reconstruct the response of the Southwest Pacific Ocean to the peak interglacial, Marine Isotope Stage (MIS) 5e (ca. 125ka). Paleo-Sea Surface Temperature (SST) estimates were obtained from the Random Forest modelan ensemble decision tree toolapplied to core-top planktonic foraminiferal faunas calibrated to modern SSTs. The reconstructed geographic pattern of the SST anomaly (maximum SST between 120 and 132ka minus mean modern SST) seems to indicate how MIS 5e conditions were generally warmer in the Southwest Pacific, especially in the western Tasman Sea where a strengthened East Australian Current (EAC) likely extended subtropical influence to ca. 45 degrees S off Tasmania. In contrast, the... |
| Tipo: Text |
Palavras-chave: Interglacial climate; Foraminifera; South Pacific Ocean; Marine Isotope Stage 5; Sea surface temperature. |
| Ano: 2013 |
URL: https://archimer.ifremer.fr/doc/00264/37492/36995.pdf |
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