High-latitude ocean ventilation and its role in Earth's climate transitions
High-latitude ocean ventilation and its role in Earth's climate transitions
The processes regulating ocean ventilation at high latitudes are re-examined based on a range of observations spanning all scales of ocean circulation, from the centimetre scales of turbulence to the basin scales of gyres. It is argued that high-latitude ocean ventilation is controlled by mechanisms that differ in fundamental ways from those that set the overturning circulation. This is contrary to the assumption of broad equivalence between the two that is commonly adopted in interpreting the role of the high-latitude oceans in Earth's climate transitions. Illustrations of how recognizing this distinction may change our view of the ocean's role in the climate system are offered.
Naveira Garabato, Alberto C.
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Macgilchrist, Graeme A.
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Brown, Peter J.
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Evans, D. Gwyn
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Meijers, Andrew J. S.
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Zika, Jan D.
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13 September 2017
Naveira Garabato, Alberto C.
97c0e923-f076-4b38-b89b-938e11cea7a6
Macgilchrist, Graeme A.
ccfda4b5-26d3-4081-b7db-8d65f22e8b8b
Brown, Peter J.
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Evans, D. Gwyn
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Meijers, Andrew J. S.
747ecd45-cdbe-47be-b952-4b724096f9d5
Zika, Jan D.
16ede49c-f859-4351-ad8d-33412e574dec
Naveira Garabato, Alberto C., Macgilchrist, Graeme A., Brown, Peter J., Evans, D. Gwyn, Meijers, Andrew J. S. and Zika, Jan D.
(2017)
High-latitude ocean ventilation and its role in Earth's climate transitions.
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 375 (2102), [20160324].
(doi:10.1098/rsta.2016.0324).
Abstract
The processes regulating ocean ventilation at high latitudes are re-examined based on a range of observations spanning all scales of ocean circulation, from the centimetre scales of turbulence to the basin scales of gyres. It is argued that high-latitude ocean ventilation is controlled by mechanisms that differ in fundamental ways from those that set the overturning circulation. This is contrary to the assumption of broad equivalence between the two that is commonly adopted in interpreting the role of the high-latitude oceans in Earth's climate transitions. Illustrations of how recognizing this distinction may change our view of the ocean's role in the climate system are offered.
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20160324.full
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Accepted/In Press date: 5 June 2017
e-pub ahead of print date: 7 August 2017
Published date: 13 September 2017
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Local EPrints ID: 413181
URI: http://eprints.soton.ac.uk/id/eprint/413181
ISSN: 1364-503X
PURE UUID: 937de1b7-a08a-44c8-9fca-d3bebb7c4b15
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Date deposited: 17 Aug 2017 16:30
Last modified: 16 Mar 2024 03:48
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Contributors
Author:
Graeme A. Macgilchrist
Author:
Peter J. Brown
Author:
D. Gwyn Evans
Author:
Andrew J. S. Meijers
Author:
Jan D. Zika
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