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Variability in the northern North Atlantic and Arctic oceans across the last two millennia : a review.

Moffa-Sánchez, P. and Moreno-Chamarro, E. and Reynolds, D.J. and Ortega, P. and Cunningham, L. and Swingedouw, D. and Amrhein, J. and Halfar, J. and Jonkers, L. and Jungclaus, J.H. and Perner, K. and Wanamaker, A. and Yeager, S. (2019) 'Variability in the northern North Atlantic and Arctic oceans across the last two millennia : a review.', Paleoceanography and paleoclimatology., 34 (8). pp. 1399-1436.

Abstract

The climate of the last two millennia was characterised by decadal to multi‐centennial variations which were recorded in terrestrial records and had important societal impacts. The cause of these climatic events is still under debate but changes in the North Atlantic circulation have often been proposed to play an important role. In this review we compile available high‐resolution paleoceanographic datasets from the northern North Atlantic and Nordic Seas. The records are grouped into regions related to modern ocean conditions and their variability is discussed. We additionally discuss our current knowledge from modelling studies, with a specific focus on the dynamical changes that are not well inferred from the proxy records. An illustration is provided through the analysis of two climate model ensembles and an individual simulation of the last millennium. This review thereby provides an up‐to‐date paleo‐perspective on the North Atlantic multidecadal to multi‐centennial ocean variability across the last two millennia.

Item Type:Article
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1029/2018PA003508
Publisher statement:Moffa-Sánchez, P., Moreno-Chamarro, E., Reynolds, D.J., Ortega, P., Cunningham, L., Swingedouw, D., Amrhein, J., Halfar, J., Jonkers, L., Jungclaus, J.H., Perner, K., Wanamaker, A. & Yeager, S. (2019). Variability in the northern North Atlantic and Arctic oceans across the last two millennia: A review. Paleoceanography and Paleoclimatology 34(8): 1399-1436. 10.1029/2018PA003508. To view the published open abstract, go to https://doi.org/ and enter the DOI.
Date accepted:25 April 2019
Date deposited:30 April 2019
Date of first online publication:24 August 2019
Date first made open access:24 February 2020

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