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Science 3 May 2002:
Vol. 296. no. 5569, p. 801
DOI: 10.1126/science.296.5569.801f
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Despite an overall global warming trend, temperatures over large parts in the interior of Antarctica have exhibited a small but distinct cooling trend during the past several decades. Thompson and Solomon (p. 895; see the news story by Kerr) present evidence that high-latitude Southern Hemisphere circulation changes during the past few decades reflect a systematic trend in regional atmospheric circulation. Trends in tropospheric circulation trends can be traced to the recent cooling of the lower stratosphere caused by photochemical ozone losses.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)