The impact of Southern Ocean sea ice in a global ocean model
Most of the Southern Ocean (SO) is marginally stably stratified and thus prone to enhanced convection and possibly bottom-water formation whenever the upper ocean is cooled or made more saline by ice formation. Sea ice modifies the heat and freshwater fluxes, which in turn constitute a critical surf...
Main Authors: | , |
---|---|
Other Authors: | |
Format: | Text |
Language: | English |
Published: |
1998
|
Subjects: | |
Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.163.8922 http://www.knmi.nl/publications/fulltexts/jpo_98c.pdf |
id |
ftciteseerx:oai:CiteSeerX.psu:10.1.1.163.8922 |
---|---|
record_format |
openpolar |
spelling |
ftciteseerx:oai:CiteSeerX.psu:10.1.1.163.8922 2023-05-15T13:38:09+02:00 The impact of Southern Ocean sea ice in a global ocean model Achim Stössel Seong-joong Kim The Pennsylvania State University CiteSeerX Archives 1998 application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.163.8922 http://www.knmi.nl/publications/fulltexts/jpo_98c.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.163.8922 http://www.knmi.nl/publications/fulltexts/jpo_98c.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.knmi.nl/publications/fulltexts/jpo_98c.pdf text 1998 ftciteseerx 2016-01-07T15:48:22Z Most of the Southern Ocean (SO) is marginally stably stratified and thus prone to enhanced convection and possibly bottom-water formation whenever the upper ocean is cooled or made more saline by ice formation. Sea ice modifies the heat and freshwater fluxes, which in turn constitute a critical surface condition in this sensitive region of intense vertical exchange. The authors investigate the effect of SO sea ice in modifying these fluxes in a global, coarse-resolution, primitive-equation ocean general circulation model, which has been coupled to a comprehensive dynamic–thermodynamic sea ice model. Specifically, the long-term impact of a series of modifications in the formulation of the sea ice model and its forcing on quantities such as the overturning circulation, the deep ocean water-mass characteristics, the sea ice thickness, the strength of convection, as well as the strength of the major volume transports are investigated. The results indicate that the rate of Antarctic bottom-water formation is strongly coupled to the local sea ice processes in the SO, which in turn vary sensitively depending on their model formulation and their forcing from the atmosphere. The largest impacts arise from the effect of brine release due to sea ice formation and that of employing more variable winds over SO sea ice. 1. Text Antarc* Antarctic Sea ice Southern Ocean Unknown Antarctic Southern Ocean |
institution |
Open Polar |
collection |
Unknown |
op_collection_id |
ftciteseerx |
language |
English |
description |
Most of the Southern Ocean (SO) is marginally stably stratified and thus prone to enhanced convection and possibly bottom-water formation whenever the upper ocean is cooled or made more saline by ice formation. Sea ice modifies the heat and freshwater fluxes, which in turn constitute a critical surface condition in this sensitive region of intense vertical exchange. The authors investigate the effect of SO sea ice in modifying these fluxes in a global, coarse-resolution, primitive-equation ocean general circulation model, which has been coupled to a comprehensive dynamic–thermodynamic sea ice model. Specifically, the long-term impact of a series of modifications in the formulation of the sea ice model and its forcing on quantities such as the overturning circulation, the deep ocean water-mass characteristics, the sea ice thickness, the strength of convection, as well as the strength of the major volume transports are investigated. The results indicate that the rate of Antarctic bottom-water formation is strongly coupled to the local sea ice processes in the SO, which in turn vary sensitively depending on their model formulation and their forcing from the atmosphere. The largest impacts arise from the effect of brine release due to sea ice formation and that of employing more variable winds over SO sea ice. 1. |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Achim Stössel Seong-joong Kim |
spellingShingle |
Achim Stössel Seong-joong Kim The impact of Southern Ocean sea ice in a global ocean model |
author_facet |
Achim Stössel Seong-joong Kim |
author_sort |
Achim Stössel |
title |
The impact of Southern Ocean sea ice in a global ocean model |
title_short |
The impact of Southern Ocean sea ice in a global ocean model |
title_full |
The impact of Southern Ocean sea ice in a global ocean model |
title_fullStr |
The impact of Southern Ocean sea ice in a global ocean model |
title_full_unstemmed |
The impact of Southern Ocean sea ice in a global ocean model |
title_sort |
impact of southern ocean sea ice in a global ocean model |
publishDate |
1998 |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.163.8922 http://www.knmi.nl/publications/fulltexts/jpo_98c.pdf |
geographic |
Antarctic Southern Ocean |
geographic_facet |
Antarctic Southern Ocean |
genre |
Antarc* Antarctic Sea ice Southern Ocean |
genre_facet |
Antarc* Antarctic Sea ice Southern Ocean |
op_source |
http://www.knmi.nl/publications/fulltexts/jpo_98c.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.163.8922 http://www.knmi.nl/publications/fulltexts/jpo_98c.pdf |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
_version_ |
1766101962311335936 |