Intra-annual relationships between polar ozone and the SAM

被引：21

作者：

Fogt, Ryan L. ^{[1
]}

Perlwitz, Judith ^{[1
,4
]}

Pawson, Steven ^{[3
]}

Olsen, Mark A. ^{[2
]}

机构：

[1] NOAA, Div Phys Sci, Earth Syst Res Lab, Boulder, CO 80305 USA

[2] NASA, Goddard Earth Sci & Technol Ctr, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

[3] NASA, Global Modeling & Assimilat Off, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

[4] Univ Colorado, NOAA, Cooperat Inst Res Environm Sci, Boulder, CO 80309 USA

来源：

GEOPHYSICAL RESEARCH LETTERS | 2009年 / 36卷

关键词：

Ozone;

D O I：

10.1029/2008GL036627

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Observed co-variations between polar total column ozone and the Southern Hemisphere Annular Mode (SAM) during 1962-2004 are presented and evaluated in a chemistry-climate model (CCM). Results show that austral spring total column ozone variability at South Pole is significantly related to the SAM, perhaps up to four months later; this relationship is only seen in simulations that include ozone depletion. The austral spring SAM also is linked to following late spring - early summer total column ozone over the polar cap, since both respond to the wave-driving of the stratosphere. Overall, the CCM captures many of the observed ozone-SAM links, but over-predicts the relationship between spring ozone and austral summer SAM, as a consequence of the delayed breakdown of the polar vortex in the CCM. Citation: Fogt, R. L., J. Perlwitz, S. Pawson, and M. A. Olsen (2009), Intra-annual relationships between polar ozone and the SAM, Geophys. Res. Lett., 36, L04707, doi: 10.1029/2008GL036627.

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