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The Atlantic Meridional Overturning Circulation in High‐Resolution Models.

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Title: The Atlantic Meridional Overturning Circulation in High‐Resolution Models.
Authors: Hirschi, Joël J.‐M.1 joel.hirschi@noc.ac.uk, Barnier, Bernard2, Böning, Claus3, Biastoch, Arne3, Blaker, Adam T.1, Coward, Andrew1, Danilov, Sergey4, Drijfhout, Sybren5, Getzlaff, Klaus3, Griffies, Stephen M.6, Hasumi, Hiroyasu7, Hewitt, Helene8, Iovino, Doroteaciro9, Kawasaki, Takao7, Kiss, Andrew E.10, Koldunov, Nikolay4, Marzocchi, Alice1, Mecking, Jennifer V.1, Moat, Ben1, Molines, Jean‐Marc2
Source: Journal of Geophysical Research. Oceans. Apr2020, Vol. 125 Issue 4, p1-35. 35p.
Subject Terms: *Climate change, *Marine resources, Mesoscale eddies, Eddies, Oceanographic research
Abstract: The Atlantic meridional overturning circulation (AMOC) represents the zonally integrated stream function of meridional volume transport in the Atlantic Basin. The AMOC plays an important role in transporting heat meridionally in the climate system. Observations suggest a heat transport by the AMOC of 1.3 PW at 26°N—a latitude which is close to where the Atlantic northward heat transport is thought to reach its maximum. This shapes the climate of the North Atlantic region as we know it today. In recent years there has been significant progress both in our ability to observe the AMOC in nature and to simulate it in numerical models. Most previous modeling investigations of the AMOC and its impact on climate have relied on models with horizontal resolution that does not resolve ocean mesoscale eddies and the dynamics of the Gulf Stream/North Atlantic Current system. As a result of recent increases in computing power, models are now being run that are able to represent mesoscale ocean dynamics and the circulation features that rely on them. The aim of this review is to describe new insights into the AMOC provided by high‐resolution models. Furthermore, we will describe how high‐resolution model simulations can help resolve outstanding challenges in our understanding of the AMOC. Key Points: Observations and high‐resolution models have changed view on the AMOC pathwaysHigh‐resolution models suggest the presence of previously unknown high‐frequency AMOC variabilityHigh‐resolution models allow to estimate the intrinsic/chaotic component of the AMOC [ABSTRACT FROM AUTHOR]
Copyright of Journal of Geophysical Research. Oceans is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: The Atlantic Meridional Overturning Circulation in High‐Resolution Models.
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  Data: <searchLink fieldCode="AR" term="%22Hirschi%2C+Joël+J%2E‐M%2E%22">Hirschi, Joël J.‐M.</searchLink><relatesTo>1</relatesTo><i> joel.hirschi@noc.ac.uk</i><br /><searchLink fieldCode="AR" term="%22Barnier%2C+Bernard%22">Barnier, Bernard</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Böning%2C+Claus%22">Böning, Claus</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Biastoch%2C+Arne%22">Biastoch, Arne</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Blaker%2C+Adam+T%2E%22">Blaker, Adam T.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Coward%2C+Andrew%22">Coward, Andrew</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Danilov%2C+Sergey%22">Danilov, Sergey</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Drijfhout%2C+Sybren%22">Drijfhout, Sybren</searchLink><relatesTo>5</relatesTo><br /><searchLink fieldCode="AR" term="%22Getzlaff%2C+Klaus%22">Getzlaff, Klaus</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Griffies%2C+Stephen+M%2E%22">Griffies, Stephen M.</searchLink><relatesTo>6</relatesTo><br /><searchLink fieldCode="AR" term="%22Hasumi%2C+Hiroyasu%22">Hasumi, Hiroyasu</searchLink><relatesTo>7</relatesTo><br /><searchLink fieldCode="AR" term="%22Hewitt%2C+Helene%22">Hewitt, Helene</searchLink><relatesTo>8</relatesTo><br /><searchLink fieldCode="AR" term="%22Iovino%2C+Doroteaciro%22">Iovino, Doroteaciro</searchLink><relatesTo>9</relatesTo><br /><searchLink fieldCode="AR" term="%22Kawasaki%2C+Takao%22">Kawasaki, Takao</searchLink><relatesTo>7</relatesTo><br /><searchLink fieldCode="AR" term="%22Kiss%2C+Andrew+E%2E%22">Kiss, Andrew E.</searchLink><relatesTo>10</relatesTo><br /><searchLink fieldCode="AR" term="%22Koldunov%2C+Nikolay%22">Koldunov, Nikolay</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Marzocchi%2C+Alice%22">Marzocchi, Alice</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Mecking%2C+Jennifer+V%2E%22">Mecking, Jennifer V.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Moat%2C+Ben%22">Moat, Ben</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Molines%2C+Jean‐Marc%22">Molines, Jean‐Marc</searchLink><relatesTo>2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Geophysical+Research%2E+Oceans%22">Journal of Geophysical Research. Oceans</searchLink>. Apr2020, Vol. 125 Issue 4, p1-35. 35p.
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  Data: *<searchLink fieldCode="DE" term="%22Climate+change%22">Climate change</searchLink><br />*<searchLink fieldCode="DE" term="%22Marine+resources%22">Marine resources</searchLink><br /><searchLink fieldCode="DE" term="%22Mesoscale+eddies%22">Mesoscale eddies</searchLink><br /><searchLink fieldCode="DE" term="%22Eddies%22">Eddies</searchLink><br /><searchLink fieldCode="DE" term="%22Oceanographic+research%22">Oceanographic research</searchLink>
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  Label: Abstract
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  Data: The Atlantic meridional overturning circulation (AMOC) represents the zonally integrated stream function of meridional volume transport in the Atlantic Basin. The AMOC plays an important role in transporting heat meridionally in the climate system. Observations suggest a heat transport by the AMOC of 1.3 PW at 26°N—a latitude which is close to where the Atlantic northward heat transport is thought to reach its maximum. This shapes the climate of the North Atlantic region as we know it today. In recent years there has been significant progress both in our ability to observe the AMOC in nature and to simulate it in numerical models. Most previous modeling investigations of the AMOC and its impact on climate have relied on models with horizontal resolution that does not resolve ocean mesoscale eddies and the dynamics of the Gulf Stream/North Atlantic Current system. As a result of recent increases in computing power, models are now being run that are able to represent mesoscale ocean dynamics and the circulation features that rely on them. The aim of this review is to describe new insights into the AMOC provided by high‐resolution models. Furthermore, we will describe how high‐resolution model simulations can help resolve outstanding challenges in our understanding of the AMOC. Key Points: Observations and high‐resolution models have changed view on the AMOC pathwaysHigh‐resolution models suggest the presence of previously unknown high‐frequency AMOC variabilityHigh‐resolution models allow to estimate the intrinsic/chaotic component of the AMOC [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Journal of Geophysical Research. Oceans is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=8gh&AN=142906996
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        Value: 10.1029/2019JC015522
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