Roualt, MBackeberg, Björn2017-06-072017-06-072016-10Roualt, M. and Backeberg, B. 2016. Wind changes above warm Agulhas Current eddies. Proceedings of the 32nd Annual Conference of the South African Society for Atmospheric Science, 31 October - 1 November 2016, Cape Town, South Africa978-0-620-72974-1http://www.csag.uct.ac.za/wp-content/uploads/2016/04/SASAS_2016_Conference_Proceedings_Final_18Nov_16.pdfhttp://hdl.handle.net/10204/9131Proceedings of the 32nd Annual Conference of the South African Society for Atmospheric Science, 31 October - 1 November 2016, Cape Town, South AfricaSea-surface temperature (SST), altimetry derived sea-level anomalies (SLA) and surface current are used south of the Agulhas Current to identify warm core mesoscale ocean eddies presenting a distinct SST perturbation superior to 1(supo)C to the surrounding ocean. The analysis of 960 twice daily instantaneous charts of equivalent stability neutral wind speed estimates from the SeaWinds scatterometer onboard the QuikScat satellite collocated with SST during the lifespan of six warm eddies show stronger wind speed above those warm eddies than surrounding water for half of the cases. For cases where the wind is stronger above warm eddies, there is no relationship between the increase in surface wind speed and the SST perturbation. Mean wind increase is about 15 % at 1.8 m.s(sup-1). Wind speed increase of 4 to 7 m.s(sup-1) above warm eddies is not uncommon. Average eddy radius is 100 km and SST perturbations range from 1(supo)C to 6(supo)C.enAgulhas current eddiesSea surface temperaturesWind changesOcean eddiesConference PresentationRoualt, M., & Backeberg, B. (2016). Wind changes above warm Agulhas Current eddies. South African Society for Atmospheric Sciences. http://hdl.handle.net/10204/9131Roualt, M, and Björn Backeberg. "Wind changes above warm Agulhas Current eddies." (2016): http://hdl.handle.net/10204/9131Roualt M, Backeberg B, Wind changes above warm Agulhas Current eddies; South African Society for Atmospheric Sciences; 2016. http://hdl.handle.net/10204/9131 .TY - Conference Presentation AU - Roualt, M AU - Backeberg, Björn AB - Sea-surface temperature (SST), altimetry derived sea-level anomalies (SLA) and surface current are used south of the Agulhas Current to identify warm core mesoscale ocean eddies presenting a distinct SST perturbation superior to 1(supo)C to the surrounding ocean. The analysis of 960 twice daily instantaneous charts of equivalent stability neutral wind speed estimates from the SeaWinds scatterometer onboard the QuikScat satellite collocated with SST during the lifespan of six warm eddies show stronger wind speed above those warm eddies than surrounding water for half of the cases. For cases where the wind is stronger above warm eddies, there is no relationship between the increase in surface wind speed and the SST perturbation. Mean wind increase is about 15 % at 1.8 m.s(sup-1). Wind speed increase of 4 to 7 m.s(sup-1) above warm eddies is not uncommon. Average eddy radius is 100 km and SST perturbations range from 1(supo)C to 6(supo)C. DA - 2016-10 DB - ResearchSpace DP - CSIR KW - Agulhas current eddies KW - Sea surface temperatures KW - Wind changes KW - Ocean eddies LK - https://researchspace.csir.co.za PY - 2016 SM - 978-0-620-72974-1 T1 - Wind changes above warm Agulhas Current eddies TI - Wind changes above warm Agulhas Current eddies UR - http://hdl.handle.net/10204/9131 ER -