Sea Ice Extent and Concentration

During 2011, zonally-averaged Antarctic sea iceextent was characterized by three broad phases thatwere closely associated with the changes in largescalepatterns of atmospheric circulation describedin section 6b. From near-average levels at the beginning of theyear (compared to the 19812010 mean), th...

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Bibliographic Details
Published in:Bulletin of the American Meteorological Society
Main Authors: Massom, RA, Reid, P, Stammerjohn, S, Barreira, S, Scambos, T
Format: Article in Journal/Newspaper
Language:English
Published: American Meteorological Society 2012
Subjects:
Earth Sciences
Physical geography and environmental geoscience
Glaciology
Antarctic
Antarc*
Sea ice
Online Access:https://doi.org/10.1175/2012BAMSStateoftheClimate.1
http://ecite.utas.edu.au/82497
Description
Summary:During 2011, zonally-averaged Antarctic sea iceextent was characterized by three broad phases thatwere closely associated with the changes in largescalepatterns of atmospheric circulation describedin section 6b. From near-average levels at the beginning of theyear (compared to the 19812010 mean), the zonallyaveragedsea ice extent tracked at 12 standard deviationsbelow the long-term mean from mid-Januarythrough mid-May (Fig. 6.8a) - including some brieftimes when it dipped below the 30-year record.

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