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Title: Southern hemisphere atmospheric circulation: Impacts on Antarctic climate and reconstructions from Antarctic ice core data
Authors: Russell, A
McGregor, G R
Keywords: Sea-level pressure;Precipitation delivery Mechanisms;Extratropical cyclone behavior;International geophysical year;Peninsula summer temperature;NCEP-NCAR Reanalysis;Dronning maud land;East antarctica;Spatial variability;Annular mode
Issue Date: 2010
Publisher: Springer Verlag
Citation: Climatic Change, 99(1-2): 155 - 192, Mar 2010
Abstract: The atmospheric circulation patterns in the Southern Hemisphere have had a significant impact on the climate of the Antarctic and there is much evidence that these circulation patterns have changed in the recent past. This change is thought to have contributed to the warming trend observed at the Antarctic Peninsula over the last 50 years - one of the largest trends observed in this period on the planet. The trends associated with the continental Antarctic climate are less clear but are likely to be impacted less directly by atmospheric circulation changes. The circulation changes can be put into the context of longer timescales by considering atmospheric circulation reconstructions that have been performed using data from Antarctic ice cores. In this review paper we look at the main body of work examining: Antarctic climate trends; the understanding and impact of atmospheric circulation of the mid- to high-latitudes of the Southern Hemisphere; and the usefulness and reliability of atmospheric circulation reconstructions from Antarctic ice core data. Finally, beyond several of the more quantitative reconstructions, it is deemed that an assessment of their consistency is not possible due to the variety of circulation characteristics that the various reconstructions consider.
Description: The official pulished version can be accessed from the DOI below - Copyright @ 2010 Springer Verlag
ISSN: 0165-0009
Appears in Collections:Environment
Institute for the Environment

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