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On the driving processes of the Atlantic meridional overturning circulation [PDF]

Reviews of Geophysics, 2007
Because of its relevance for the global climate the Atlantic meridional overturning circulation (AMOC) has been a major research focus for many years. Yet the question of which physical mechanisms ultimately drive the AMOC, in the sense of providing its energy supply, remains a matter of controversy.
Stefan Rahmstorf, Matthias Hofmann, Till Kuhlbrodt   +2 more
exaly   +4 more sources

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Atlantic Dominance of the Meridional Overturning Circulation

Journal of Physical Oceanography, 2008
Abstract North Atlantic (NA) deep-water formation and the resulting Atlantic meridional overturning cell is generally regarded as the primary feature of the global overturning circulation and is believed to be a result of the geometry of the continents.
de Boer, A. M., Toggweiler, J. R., Sigman, D. M.   +2 more
openaire   +2 more sources

Measuring the Atlantic Meridional Overturning Circulation

Marine Technology Society Journal, 2015
AbstractThe Atlantic meridional overturning circulation (AMOC) plays a crucial role in redistributing heat and salt throughout the global oceans. Achieving a more complete understanding of the behavior of the AMOC system requires a comprehensive observational network that spans the entire Atlantic basin.
Renellys C. Perez, Molly O. Baringer, Shenfu Dong, Silvia L. Garzoli, Marlos Goes, Gustavo J. Goni, Rick Lumpkin, Christopher S. Meinen, Rym Msadek, Ulises Rivero   +9 more
openaire   +1 more source

Stability of the Atlantic meridional overturning circulation

2012
The evolution of the Atlantic Meridional Overturning Circulation (MOC) in 30 models of varying complexity is examined under four distinct Representative Concentration Pathways. The models include 25 Atmosphere-Ocean General Circulation Models (AOGCMs) or Earth System Models (ESMs) that submitted simulations in support of the 5th phase of the Coupled ...
Weaver, Andrew J., Sedláček, Jan, Eby, Michael, Alexander, Kaitlin, Crespin, Elisabeth, Fichefet, Thierry, Philippon-Berthier, Gwenaëlle, Joos, Fortunat, Kawamiya, Michio, Matsumoto, Katsumi, Steinacher, Marco, Tachiiri, Kaoru, Tokos, Kathy, Yoshimori, Masakazu, Zickfeld, Kirsten   +14 more
openaire   +1 more source

Atlantic Meridional Overturning Circulation During the Last Glacial Maximum

Science, 2007
The circulation of the deep Atlantic Ocean during the height of the last ice age appears to have been quite different from today. We review observations implying that Atlantic meridional overturning circulation during the Last Glacial Maximum was neither extremely sluggish nor an enhanced version of present-day circulation.
Lynch-Stieglitz, J., Adkins, J., Curry, W., Dokken, T., Hall, I., Herguera, J., Hirschi, J. J.-M., Ivanova, E., Kissel, C., Marchal, O., Marchitto, T., Mccave, I., Mcmanus, J., Mulitza, S., Ninnemann, U., Peeters, F., Yu, E.-F., Zahn, R.   +17 more
openaire   +5 more sources

Timing the collapse of the Atlantic Meridional Overturning Circulation

2023
Statistical Early warning signals (EWS) indicate an approach towards a tipping point. These are increased variance (loss of resilience) and increased autocorrelation (critical slow down). The early warning is based on the significance in a linear trend above random fluctuations in the measures.
Peter Ditlevsen, Susanne Ditlevsen
openaire   +1 more source

The Atlantic Meridional Overturning Circulation and Abrupt Climate Change

Annual Review of Marine Science, 2017
Abrupt changes in climate have occurred in many locations around the globe over the last glacial cycle, with pronounced temperature swings on timescales of decades or less in the North Atlantic. The global pattern of these changes suggests that they reflect variability in the Atlantic meridional overturning circulation (AMOC). This review examines the
openaire   +2 more sources

Introduction to: Atlantic Meridional Overturning Circulation (AMOC)

Deep Sea Research Part II: Topical Studies in Oceanography, 2011
A striking conclusion of the Intergovernmental Panel on Climate Change 2007 report is the crucial role that the Atlantic Meridional Overturning Circulation (AMOC) may play in anthropogenic climate change. However, these IPCC coupled climate simulations show a broad range of uncertainty in the magnitude and timing of AMOC transport change ranging from ...
James A. Carton, Sirpa Hakkinen
openaire   +1 more source

Slowing of the Atlantic meridional overturning circulation at 25° N

Nature, 2005
The Atlantic meridional overturning circulation carries warm upper waters into far-northern latitudes and returns cold deep waters southward across the Equator. Its heat transport makes a substantial contribution to the moderate climate of maritime and continental Europe, and any slowdown in the overturning circulation would have profound implications ...
Bryden, H.L., Longworth, H.R., Cunningham, S.A.   +2 more
openaire   +3 more sources

Of Atlantic Meridional Overturning Circulation in the CMIP6 Project

Deep Sea Research Part II: Topical Studies in Oceanography, 2022
Xun Gong, Hailong Liu, Fuchang Wang, Céline Heuzé   +3 more
openaire   +1 more source