research product . 2018

Regional seesaw between the North Atlantic and Nordic Seas during the last glacial abrupt climate events

Wary, Mélanie; Eynaud, Frédérique; Swingedouw, Didier; Masson-Delmotte, Valérie; Matthiessen, Jens; Kissel, Catherine; Zumaque, Jena; Rossignol, Linda; Jouzel, Jean;
Open Access English
  • Published: 27 Sep 2018
Abstract
Dansgaard–Oeschger oscillations constitute one of the most enigmatic features of the last glacial cycle. Their cold atmospheric phases have been commonly associated with cold sea-surface temperatures and expansion of sea ice in the North Atlantic and adjacent seas. Here, based on dinocyst analyses from the 48–30 ka interval of four sediment cores from the northern Northeast Atlantic and southern Norwegian Sea, we provide direct and quantitative evidence of a regional paradoxical seesaw pattern: cold Greenland and North Atlantic phases coincide with warmer sea-surface conditions and shorter seasonal sea-ice cover durations in the Norwegian Sea as compared to warm...
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Funded by
EC| PAST4FUTURE
Project
PAST4FUTURE
Climate change - Learning from the past climate
  • Funder: European Commission (EC)
  • Project Code: 243908
  • Funding stream: FP7 | SP1 | ENV
,
ANR| GREENLAND
Project
GREENLAND
Green Greenland
  • Funder: French National Research Agency (ANR) (ANR)
  • Project Code: ANR-10-CEPL-0008
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