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Southern Hemisphere atmospheric circulation response to the El Chichon and Pinatubo eruptions in coupled climate models

Abstract:

We study the response of the Southern Hemisphere circulation to the 1982 eruption of El Chichón and 1991 eruption of Pinatubo volcanoes in a suite of up-to-date coupled climate models. We find a significant response in austral spring and autumn in the years following the eruptions, which consists of a stronger stratospheric polar vortex and lowered sea-level pressure over the Antarctic, both consistent with the positive phase of the Southern Annular Mode. The seasonality of the response may b...

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Publication status:
Published

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Publisher copy:
10.1002/qj.683

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Journal:
QUARTERLY JOURNAL OF THE ROYAL METEOROLOGICAL SOCIETY
Volume:
136
Issue:
652
Pages:
1813-1822
Publication date:
2010-10-05
DOI:
EISSN:
1477-870X
ISSN:
0035-9009
URN:
uuid:c470489a-7197-4d9b-9734-01cfb6f4623d
Source identifiers:
324915
Local pid:
pubs:324915

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