Sensitivity of Southern Hemisphere climate to zonal asymmetry in ozone

被引：56

作者：

Crook, Julia A. ^{[1
]}

Gillett, Nathan P. ^{[1
]}

Keeley, Sarah P. E. ^{[1
,2
]}

机构：

[1] Univ E Anglia, Sch Environm Sci, Climat Res Unit, Norwich NR4 7TJ, Norfolk, England

[2] Univ Reading, Dept Meteorol, Reading, Berks, England

来源：

GEOPHYSICAL RESEARCH LETTERS | 2008年 / 35卷 / 07期

基金：

英国自然环境研究理事会;

关键词：

D O I：

10.1029/2007GL032698

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Climate model simulations of past and future climate invariably contain prescribed zonal mean stratospheric ozone. While the effects of zonal asymmetry in ozone have been examined in the Northern Hemisphere, much greater zonal asymmetry occurs in the Southern Hemisphere during the break up of the Antarctic ozone hole. We prescribe a realistic three-dimensional distribution of ozone in a high vertical resolution atmospheric model and compare results with a simulation containing zonal mean ozone. Prescribing the three dimensional ozone distribution results in a cooling of the stratosphere and upper troposphere comparable to that caused by ozone depletion itself. Our results suggest that changes in the zonal asymmetry of ozone have had important impacts on Southern Hemisphere climate, and will continue to do so in the future.

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页数：5

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