Seasonal variability of QSCAT-derived wind stress over the southern ocean

Seasonal variability of surface wind stress derived from SeaWINDS onboard the NASA's QuikSCAT satellite is mapped over the latitude range 30°–60°S in the Southern Ocean for the period from August 1999 to July 2003. Seasonal variability is pronounced on basin-wide scale which dominates the Atlan...

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Bibliographic Details
Main Authors: Luis, Alvarinho J., Pandey, Prem Chand
Format: Article in Journal/Newspaper
Language:unknown
Published: American Geophysical Union 2004
Subjects:
Online Access:http://repository.ias.ac.in/94456/
http://www.agu.org/pubs/crossref/2004/2003GL019355.shtml
Description
Summary:Seasonal variability of surface wind stress derived from SeaWINDS onboard the NASA's QuikSCAT satellite is mapped over the latitude range 30°–60°S in the Southern Ocean for the period from August 1999 to July 2003. Seasonal variability is pronounced on basin-wide scale which dominates the Atlantic-Indian Ocean sector during austral winter. Harmonic analysis reveals that seasonal harmonic captures larger than 60% of the variance on regional scales. The cyclonic wind stress curl induces divergence around Antarctica and facilitates ACC meandering equatorward in the Atlantic-Indian Ocean sector of the Southern Ocean.