An observational study of the final warming in the Southern Hemisphere stratosphere
作者:
John D. Farrara,
Carlos R. Mechoso,
期刊:
Geophysical Research Letters
(WILEY Available online 1986)
卷期:
Volume 13,
issue 12
页码: 1232-1235
ISSN:0094-8276
年代: 1986
DOI:10.1029/GL013i012p01232
数据来源: WILEY
摘要:
The final warming in the Southern Hemisphere stratosphere during the period 1 September ‐ 30 November for the years 1978‐1983 is studied. The change in zonally averaged temperatures during that period is almost the same for each year. However, there is substantial interannual variability in the time evolution of the warming as events of enhanced wave, mean‐flow interaction associated with bursts of upward propagating planetary waves develop at different times in different years. Polar temperatures in the middle stratosphere can increase as much as about 20 K in 4 days during these events. Such dynamical processes can play a significant role in the interannual variability of stratospheric ozone and other constit
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