[2] Recent satellite remote.
[1] The seasonal evolution of sea-ice extent, concentration, and drift in the western Antarctic Peninsula (WAP) region, along with regional atmospheric synoptic variability, are described for a winter period (1992) when sea-ice advance and retreat were both anomalously early. Daily time series of wi...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.457.5230 2023-05-15T13:58:00+02:00 [2] Recent satellite remote. The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.457.5230 http://www.ldeo.columbia.edu/~sharons/jgr2003_v108_c10.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.457.5230 http://www.ldeo.columbia.edu/~sharons/jgr2003_v108_c10.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.ldeo.columbia.edu/~sharons/jgr2003_v108_c10.pdf text ftciteseerx 2016-01-08T06:17:44Z [1] The seasonal evolution of sea-ice extent, concentration, and drift in the western Antarctic Peninsula (WAP) region, along with regional atmospheric synoptic variability, are described for a winter period (1992) when sea-ice advance and retreat were both anomalously early. Daily time series of winds, opening and closing of the sea-ice cover, and volume fluxes in and out of the WAP region indicate that synoptic variability in meridional winds determines whether the ice-edge advances or retreats on daily to weekly timescales. The importance of this finding is that the dynamics, as opposed to the thermodynamics, initiate, and thereby dominate, in the production of ice-edge anomalies. Further, the abrupt mid-winter shift from persistently positive to negative ice-edge anomalies indicates that there was a distinct change in the regional atmospheric circulation. The ice-atmosphere interactions in the winter of 1992 are then compared to those in the winter of 1990, when sea-ice advance and retreat were both late instead of early, but again the mid-winter shift was abrupt. The comparison highlights possible circumpolar and tropical-polar atmospheric linkages in the South Pacific that involve changes in the amplitude/phase of the semi-annual oscillation (SAO), which in turn appear Text Antarc* Antarctic Antarctic Peninsula Sea ice Unknown Antarctic Antarctic Peninsula Pacific |
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Open Polar |
collection |
Unknown |
op_collection_id |
ftciteseerx |
language |
English |
description |
[1] The seasonal evolution of sea-ice extent, concentration, and drift in the western Antarctic Peninsula (WAP) region, along with regional atmospheric synoptic variability, are described for a winter period (1992) when sea-ice advance and retreat were both anomalously early. Daily time series of winds, opening and closing of the sea-ice cover, and volume fluxes in and out of the WAP region indicate that synoptic variability in meridional winds determines whether the ice-edge advances or retreats on daily to weekly timescales. The importance of this finding is that the dynamics, as opposed to the thermodynamics, initiate, and thereby dominate, in the production of ice-edge anomalies. Further, the abrupt mid-winter shift from persistently positive to negative ice-edge anomalies indicates that there was a distinct change in the regional atmospheric circulation. The ice-atmosphere interactions in the winter of 1992 are then compared to those in the winter of 1990, when sea-ice advance and retreat were both late instead of early, but again the mid-winter shift was abrupt. The comparison highlights possible circumpolar and tropical-polar atmospheric linkages in the South Pacific that involve changes in the amplitude/phase of the semi-annual oscillation (SAO), which in turn appear |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
title |
[2] Recent satellite remote. |
spellingShingle |
[2] Recent satellite remote. |
title_short |
[2] Recent satellite remote. |
title_full |
[2] Recent satellite remote. |
title_fullStr |
[2] Recent satellite remote. |
title_full_unstemmed |
[2] Recent satellite remote. |
title_sort |
[2] recent satellite remote. |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.457.5230 http://www.ldeo.columbia.edu/~sharons/jgr2003_v108_c10.pdf |
geographic |
Antarctic Antarctic Peninsula Pacific |
geographic_facet |
Antarctic Antarctic Peninsula Pacific |
genre |
Antarc* Antarctic Antarctic Peninsula Sea ice |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Sea ice |
op_source |
http://www.ldeo.columbia.edu/~sharons/jgr2003_v108_c10.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.457.5230 http://www.ldeo.columbia.edu/~sharons/jgr2003_v108_c10.pdf |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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1766265939686326272 |