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Rapid ocean wave teleconnections linking Antarctic salinity anomalies to the equatorial ocean?atmosphere system

Rapid ocean wave teleconnections linking Antarctic salinity anomalies to the equatorial ocean?atmosphere system
Rapid ocean wave teleconnections linking Antarctic salinity anomalies to the equatorial ocean?atmosphere system
The coupled climate model FORTE is used to investigate rapid ocean teleconnections between the Southern Ocean and equatorial Pacific Ocean. Salinity anomalies located throughout the Southern Ocean generate barotropic signals that propagate along submerged topographic features and result in the growth of baroclinic energy anomalies around Indonesia and the tropical Pacific. Anomalies in the Ross, Bellingshausen and Amundsen Seas exchange the most barotropic kinetic energy between high and low latitudes. In the equatorial Pacific, baroclinic Kelvin waves are excited which propagate eastwards along the thermocline, resulting in SST anomalies in the central and eastern Pacific. SST anomalies are subsequently amplified to magnitudes of 1.25°C by air?sea interaction, which could potentially influence other coupled Pacific phenomena.
0094-8276
L08603
Atkinson, C.P.
6f24341c-22d0-484b-8e12-7a08315a9158
Wells, N.C.
4c27167c-f972-4822-9614-d6ca8d8223b5
Blaker, A.T.
94efe8b2-c744-4e90-87d7-db19ffa41200
Sinha, B.
544b5a07-3d74-464b-9470-a68c69bd722e
Ivchenko, V.O.
beb6b3f0-541e-4327-866d-17944023bd8c
Atkinson, C.P.
6f24341c-22d0-484b-8e12-7a08315a9158
Wells, N.C.
4c27167c-f972-4822-9614-d6ca8d8223b5
Blaker, A.T.
94efe8b2-c744-4e90-87d7-db19ffa41200
Sinha, B.
544b5a07-3d74-464b-9470-a68c69bd722e
Ivchenko, V.O.
beb6b3f0-541e-4327-866d-17944023bd8c

Atkinson, C.P., Wells, N.C., Blaker, A.T., Sinha, B. and Ivchenko, V.O. (2009) Rapid ocean wave teleconnections linking Antarctic salinity anomalies to the equatorial ocean?atmosphere system. Geophysical Research Letters, 36, L08603. (doi:10.1029/2008GL036976).

Record type: Article

Abstract

The coupled climate model FORTE is used to investigate rapid ocean teleconnections between the Southern Ocean and equatorial Pacific Ocean. Salinity anomalies located throughout the Southern Ocean generate barotropic signals that propagate along submerged topographic features and result in the growth of baroclinic energy anomalies around Indonesia and the tropical Pacific. Anomalies in the Ross, Bellingshausen and Amundsen Seas exchange the most barotropic kinetic energy between high and low latitudes. In the equatorial Pacific, baroclinic Kelvin waves are excited which propagate eastwards along the thermocline, resulting in SST anomalies in the central and eastern Pacific. SST anomalies are subsequently amplified to magnitudes of 1.25°C by air?sea interaction, which could potentially influence other coupled Pacific phenomena.

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More information

Published date: 23 April 2009
Organisations: Ocean and Earth Science, National Oceanography Centre,Southampton

Identifiers

Local EPrints ID: 66358
URI: https://eprints.soton.ac.uk/id/eprint/66358
ISSN: 0094-8276
PURE UUID: f3a98ea7-3cdb-4922-8054-9b5e0b4e5a89

Catalogue record

Date deposited: 08 Jun 2009
Last modified: 19 Jul 2017 00:25

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