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Holocene atmosphere-ocean interactions: records from Greenland and the Aegean Sea

Holocene atmosphere-ocean interactions: records from Greenland and the Aegean Sea
Holocene atmosphere-ocean interactions: records from Greenland and the Aegean Sea
We compare paleoclimate proxy records from central Greenland and the Aegean Sea to offer new insights into the causes, timing, and mechanisms of Holocene atmosphere-ocean interactions. A direct atmospheric link is revealed between Aegean sea surface temperature (SST) and high-latitude climate. The major Holocene events in our proxies of Aegean SST and winter/spring intensity of the Siberian High (GISP2 K+ record) follow an 2300 year spacing, recognised also in the D14C record and in worldwide Holocene glacier advance phases, suggesting a solar modulation of climate. We argue that the primary atmospheric response involved decadal-centennial fluctuations in the meridional pressure gradient, driving Aegean SST events via changes in the strength, duration, and/or frequency of northerly polar/continental air outbreaks over the basin. The observed natural variability should be accounted for in predictions of future climate change, and our timeframe for the Aegean climate events in addition provides an independent chronostratigraphic argument to Middle Eastern archaeological studies.
holocene, aegean sea, medeaeg, greenland, sst, climate variability, paleoclimatology
0930-7575
587-593
Rohling, E.J.
a2a27ef2-fcce-4c71-907b-e692b5ecc685
Mayewski, P.A.
b7c3730e-b728-460a-abeb-f7a5678db934
Abu-Zied, R.H.
8883b0d9-b7ca-4635-90d2-cc3da2f36a7f
Casford, J.S.L.
ab6215ef-d18d-4b90-bb9c-31468744826e
Hayes, A.
30278d2b-909a-4e93-bc24-c7df206715b3
Rohling, E.J.
a2a27ef2-fcce-4c71-907b-e692b5ecc685
Mayewski, P.A.
b7c3730e-b728-460a-abeb-f7a5678db934
Abu-Zied, R.H.
8883b0d9-b7ca-4635-90d2-cc3da2f36a7f
Casford, J.S.L.
ab6215ef-d18d-4b90-bb9c-31468744826e
Hayes, A.
30278d2b-909a-4e93-bc24-c7df206715b3

Rohling, E.J., Mayewski, P.A., Abu-Zied, R.H., Casford, J.S.L. and Hayes, A. (2002) Holocene atmosphere-ocean interactions: records from Greenland and the Aegean Sea. Climate Dynamics, 18 (7), 587-593. (doi:10.1007/s00382-001-0194-8).

Record type: Article

Abstract

We compare paleoclimate proxy records from central Greenland and the Aegean Sea to offer new insights into the causes, timing, and mechanisms of Holocene atmosphere-ocean interactions. A direct atmospheric link is revealed between Aegean sea surface temperature (SST) and high-latitude climate. The major Holocene events in our proxies of Aegean SST and winter/spring intensity of the Siberian High (GISP2 K+ record) follow an 2300 year spacing, recognised also in the D14C record and in worldwide Holocene glacier advance phases, suggesting a solar modulation of climate. We argue that the primary atmospheric response involved decadal-centennial fluctuations in the meridional pressure gradient, driving Aegean SST events via changes in the strength, duration, and/or frequency of northerly polar/continental air outbreaks over the basin. The observed natural variability should be accounted for in predictions of future climate change, and our timeframe for the Aegean climate events in addition provides an independent chronostratigraphic argument to Middle Eastern archaeological studies.

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More information

Published date: 2002
Keywords: holocene, aegean sea, medeaeg, greenland, sst, climate variability, paleoclimatology

Identifiers

Local EPrints ID: 6027
URI: http://eprints.soton.ac.uk/id/eprint/6027
ISSN: 0930-7575
PURE UUID: 711c316a-8a51-4e99-ad3c-34d0762776b8
ORCID for E.J. Rohling: ORCID iD orcid.org/0000-0001-5349-2158

Catalogue record

Date deposited: 08 Jun 2004
Last modified: 10 Nov 2021 02:45

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Contributors

Author: E.J. Rohling ORCID iD
Author: P.A. Mayewski
Author: R.H. Abu-Zied
Author: J.S.L. Casford
Author: A. Hayes

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