Show simple item record

dc.contributor.authorYang, Xiao-Yi  Concept link
dc.contributor.authorHuang, Rui Xin  Concept link
dc.contributor.authorWang, Dong Xiao  Concept link
dc.date.accessioned2010-11-24T15:49:01Z
dc.date.available2010-11-24T15:49:01Z
dc.date.issued2007-07-15
dc.identifier.citationJournal of Climate 20 (2007): 3395-3410en_US
dc.identifier.urihttps://hdl.handle.net/1912/4120
dc.descriptionAuthor Posting. © American Meteorological Society, 2007. This article is posted here by permission of American Meteorological Society for personal use, not for redistribution. The definitive version was published in Journal of Climate 20 (2007): 3395-3410, doi:10.1175/JCLI4195.1en_US
dc.description.abstractUsing 40-yr ECMWF Re-Analysis (ERA-40) data and in situ observations, the positive trend of Southern Ocean surface wind stress during two recent decades is detected, and its close linkage with spring Antarctic ozone depletion is established. The spring Antarctic ozone depletion affects the Southern Hemisphere lower-stratospheric circulation in late spring/early summer. The positive feedback involves the strengthening and cooling of the polar vortex, the enhancement of meridional temperature gradients and the meridional and vertical potential vorticity gradients, the acceleration of the circumpolar westerlies, and the reduction of the upward wave flux. This feedback loop, together with the ozone-related photochemical interaction, leads to the upward tendency of lower-stratospheric zonal wind in austral summer. In addition, the stratosphere–troposphere coupling, facilitated by ozone-related dynamics and the Southern Annular Mode, cooperates to relay the zonal wind anomalies to the upper troposphere. The wave–mean flow interaction and the meridional circulation work together in the form of the Southern Annular Mode, which transfers anomalous wind signals downward to the surface, triggering a striking strengthening of surface wind stress over the Southern Ocean.en_US
dc.description.sponsorshipThis study was supported by MOST of China (Grant 2006CB403604) and Chinese Academy of Sciences (Grant KZSW2-YW-214) (for YXY and DXW) and W. Alan Clark Chair from Woods Hole Oceanographic Institution (for RXH).en_US
dc.format.mimetypeapplication/pdf
dc.language.isoen_USen_US
dc.publisherAmerican Meteorological Societyen_US
dc.relation.urihttps://doi.org/10.1175/JCLI4195.1
dc.subjectWind stressen_US
dc.subjectDecadal variabilityen_US
dc.subjectOzoneen_US
dc.subjectSouthern Oceanen_US
dc.subjectStratospheric circulationen_US
dc.titleDecadal changes of wind stress over the Southern Ocean associated with Antarctic ozone depletionen_US
dc.typeArticleen_US
dc.identifier.doi10.1175/JCLI4195.1


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record