The Southern Ocean and Its climate in CCSM4

The newCommunityClimate SystemModel, version 4 (CCSM4), provides a powerful tool to understand andpredict the earths climate system. Several aspects of the SouthernOcean in the CCSM4 are explored, includingthe surface climatology and interannual variability, simulation of key climate water masses (A...

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Bibliographic Details
Published in:Journal of Climate
Main Authors: Weijer, W, Sloyan, BM, Maltrud, ME, Jeffrey, N, Hecht, MW, Hartin, CA, van Sebille, E, Wainer, I, Landrum, L
Format: Article in Journal/Newspaper
Language:English
Published: Amer Meteorological Soc 2013
Subjects:
Earth Sciences
Oceanography
Physical Oceanography
Antarctic
Southern Ocean
Antarc*
Online Access:https://doi.org/10.1175/JCLI-D-11-00302.1
http://ecite.utas.edu.au/119655
Description
Summary:The newCommunityClimate SystemModel, version 4 (CCSM4), provides a powerful tool to understand andpredict the earths climate system. Several aspects of the SouthernOcean in the CCSM4 are explored, includingthe surface climatology and interannual variability, simulation of key climate water masses (Antarctic BottomWater, Subantarctic Mode Water, and Antarctic Intermediate Water), the transport and structure of theAntarctic Circumpolar Current, and interbasin exchange via the Agulhas and Tasman leakages and at theBrazilMalvinas Confluence. It is found that the CCSM4 has varying degrees of accuracy in the simulationof the climate of the Southern Ocean when compared with observations. This study has identified aspects ofthe model that warrant further analysis that will result in a more comprehensive understanding of oceanatmosphereice dynamics and interactions that control the earths climate and its variability.

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