Antarctic Peninsula mesoscale cyclone variability and climatic impacts influenced by the SAM
Lubin, Dan; Wittenmyer, Robert A.; Bromwich, David H.; Marshall, Gareth J.. 2008 Antarctic Peninsula mesoscale cyclone variability and climatic impacts influenced by the SAM. Geophysical Research Letters, 35 (2), L02808. 4, pp. 10.1029/2007GL032170Before downloading, please read NORA policies.
2007GL032170.pdf - Published Version
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The frequency of mesoscale cyclones in the Western Antarctic Peninsula (WAP) region during 1991-94 is correlated with the Southern Hemisphere Annular Mode (SAM) index, most strongly during winter and spring. Also, during periods of positive SAM index polarity there is a shift in the storm tracks to favor more east-bound trajectories, consistent with strengthening of circumpolar westerlies. The presence of mesoscale cyclones is associated with positive near-surface-air temperature anomalies in the WAP region year-round, largest during winter.
|Programmes:||BAS Programmes > Global Science in the Antarctic Context (2005-2009) > Antarctic Climate and the Earth System|
|NORA Subject Terms:||Meteorology and Climatology
|Date made live:||18 Jan 2011 09:05|
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