SCSIO OpenIR  > 热带海洋环境国家重点实验室(LTO)
Decadal changes of wind stress over the Southern Ocean associated with Antarctic ozone depletion
Yang, XY; Huang, RX; Wang, DX; yxy@scsio.ac.cn
2007
Source PublicationJOURNAL OF CLIMATE
ISSN0894-8755
Volume20Issue:14Pages:3395-3410
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.
DepartmentChinese Acad Sci, S China Sea Inst Oceanol, Key Lab Trop Marine Environm Dynam, Guangzhou 510301, Peoples R China; Woods Hole Oceanog Inst, Dept Phys Oceanog, Woods Hole, MA 02543 USA
Subject AreaMeteorology & Atmospheric Sciences
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Indexed Bysci
Funding ProjectLED
WOS IDWOS:000248484700004
Citation statistics
Cited Times:33[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/5863
Collection热带海洋环境国家重点实验室(LTO)
Corresponding Authoryxy@scsio.ac.cn
Recommended Citation
GB/T 7714
Yang, XY,Huang, RX,Wang, DX,et al. Decadal changes of wind stress over the Southern Ocean associated with Antarctic ozone depletion[J]. JOURNAL OF CLIMATE,2007,20(14):3395-3410.
APA Yang, XY,Huang, RX,Wang, DX,&yxy@scsio.ac.cn.(2007).Decadal changes of wind stress over the Southern Ocean associated with Antarctic ozone depletion.JOURNAL OF CLIMATE,20(14),3395-3410.
MLA Yang, XY,et al."Decadal changes of wind stress over the Southern Ocean associated with Antarctic ozone depletion".JOURNAL OF CLIMATE 20.14(2007):3395-3410.
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