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| Cisneros, Merce; Cacho, Isabel; Frigola, Jaime; Canals, Miquel; Masque, Pere; Martrat, Belen; Casado, Marta; Grimalt, Joan O.; Pena, Leopoldo D.; Margaritelli, Giulia; Lirer, Fabrizio. |
| This study presents the reconstructed evolution of sea surface conditions in the central-western Mediterranean Sea during the late Holocene (2700 years) from a set of multi-proxy records as measured on five short sediment cores from two sites north of Minorca (cores MINMC06 and HER-MC-MR3). Sea surface temperatures (SSTs) from alkenones and Globigerina bulloides Mg / Ca ratios are combined with δ18O measurements in order to reconstruct changes in the regional evaporation–precipitation (E–P) balance. We also revisit the G. bulloides Mg / Ca–SST calibration and re-adjusted it based on a set of core-top measurements from the western Mediterranean Sea. Modern regional oceanographic data indicate that Globigerina bulloides Mg / Ca is mainly controlled by... |
| Tipo: Text |
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| Ano: 2016 |
URL: https://archimer.ifremer.fr/doc/00333/44460/44137.pdf |
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| Sierro, Francisco J.; Andersen, Nils; Bassetti, Maria-angela; Berne, Serge; Canals, Miquel; Curtis, Jason H.; Dennielou, Bernard; Abel Flores, Jose; Frigola, Jaime; Gonzalez-mora, Beatriz; Grimalt, Joan O.; Hodell, David A.; Jouet, Gwenael; Perez-folgado, Marta; Schneider, Ralph. |
| Direct traces of past sea levels are based on the elevation of old coral reefs at times of sea level high-stands. However, these measurements are discontinuous and cannot be easily correlated with climate records from ice cores. In this study we show a new approach to recognizing the imprint of sea level changes in continuous sediment records taken from the continental slope at locations that were continuously submerged, even during periods of sea level lowstand. By using a sediment core precisely synchronized with Greenland ice cores, we were able to recognize major floods of the Mediterranean continental shelf over the past 270 kyr. During the last glacial period five flooding events were observed at the onset of the warmest Greenland interstadials.... |
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| Ano: 2009 |
URL: https://archimer.ifremer.fr/doc/2009/publication-6969.pdf |
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