IONIAN SEA SURFACE TEMPERATURE DURING THE SAPROPEL S1 DEPOSITION INFERRED FROM PLANKTONIC FORAMINIFERAL Mg/Ca AND ?18O (Articolo in rivista)

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  • IONIAN SEA SURFACE TEMPERATURE DURING THE SAPROPEL S1 DEPOSITION INFERRED FROM PLANKTONIC FORAMINIFERAL Mg/Ca AND ?18O (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Alternative label
  • Caterina Bergami1, Lucilla Capotondi1, Daniela Salvagio Manta2, Mario Sprovieri2, Luigi Vigliotti1 (2013)
    IONIAN SEA SURFACE TEMPERATURE DURING THE SAPROPEL S1 DEPOSITION INFERRED FROM PLANKTONIC FORAMINIFERAL Mg/Ca AND ?18O
    in Alpine and Mediterranean Quaternary
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Caterina Bergami1, Lucilla Capotondi1, Daniela Salvagio Manta2, Mario Sprovieri2, Luigi Vigliotti1 (literal)
Pagina inizio
  • 5 (literal)
Pagina fine
  • 14 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 26 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1 (literal)
Note
  • Google Scholar (literal)
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  • 1 CNR - Istituto di Scienze Marine, ISMAR, Bologna, Italy 2 CNR - Istituto per l'ambiente marino costiero, IAMC, Capo Granitola, Trapani, Italy (literal)
Titolo
  • IONIAN SEA SURFACE TEMPERATURE DURING THE SAPROPEL S1 DEPOSITION INFERRED FROM PLANKTONIC FORAMINIFERAL Mg/Ca AND ?18O (literal)
Abstract
  • Temperature variations during the Holocene sapropel S1 has been investigated by means of a multiproxy study on core ET99-M11 collected in the western Ionian Sea at a water depth of 2800 m. Sea Surface Temperatures (SST) reconstruction has been made by measuring oxygen stable isotopes (?18O) and Mg/Ca ratios on the planktonic foraminifers Globigerinoides ruber and Globigerina bulloides. Results indicate that the investigated interval was characterized by water temperature increase, both at surface and in the sub-surface layers. Paleotemperature reconstruction based on Mg/Ca ratios shows higher temperature values during the two sub-units (S1a and S1b) of the sapropel S1, and lower during the sapropel interruption, the latter being synchronous to the well known 8.2 cold event. In addition, a number of several short-term cold oscillations which can be correlated with millennial scale climate events in the North Atlan- tic region is evidenced. This indicates a possible atmospheric connection between the Central Mediterranean and the North Atlantic re- gion and the strong relation between climate and oceanographic changes during the sapropel deposition. (literal)
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