Articles | Volume 15, issue 6
https://doi.org/10.5194/os-15-1531-2019
https://doi.org/10.5194/os-15-1531-2019
Research article
 | 
22 Nov 2019
Research article |  | 22 Nov 2019

The life cycle of submesoscale eddies generated by topographic interactions

Mathieu Morvan, Pierre L'Hégaret, Xavier Carton, Jonathan Gula, Clément Vic, Charly de Marez, Mikhail Sokolovskiy, and Konstantin Koshel

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Cited articles

Al Saafani, M., Shenoi, S., Shankar, D., Aparna, M., Kurian, J., Durand, F., and Vinayachandran, P.: Westward movement of eddies into the Gulf of Aden from the Arabian Sea, J. Geophys. Res., 112, C11004, https://doi.org/10.1029/2006JC004020, 2007. a
Blanke, B. and Raynaud, S.: Kinematics of the Pacific equatorial undercurrent: An Eulerian and Lagrangian approach from GCM results, J. Phys. Oceanogr., 27, 1038–1053, 1997. a
Bosse, A., Testor, P., Mortier, L., Prieur, L., Taillandier, V., d'Ortenzio, F., and Coppola, L.: Spreading of Levantine Intermediate Waters by submesoscale coherent vortices in the northwestern Mediterranean Sea as observed with gliders, J. Geophys. Res.-Oceans, 120, 1599–1622, 2015. a
Bower, A. S. and Furey, H. H.: Mesoscale eddies in the Gulf of Aden and their impact on the spreading of Red Sea Outflow Water, Prog. Oceanogr., 96, 14–39, 2012. a
Bower, A. S., Fratantoni, D. M., Johns, W. E., and Peters, H.: Gulf of Aden eddies and their impact on Red Sea Water, Geophys. Res. Lett., 29, 2025, https://doi.org/10.1029/2002GL015342, 2002. a
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The Persian Gulf Water and Red Sea Water are salty and dense waters recirculating in the Gulf of Oman and the Gulf of Aden, in the form of small features. We study the life cycle of intense and small vortices and their impact on the spread of Persian Gulf Water and Red Sea Water by using idealized numerical simulations. Small vortices are generated along the continental slopes, drift away, merge and form larger vortices. They can travel across the domain and participate in the tracer diffusion.