An eddy tracking algorithm based on dynamical systems theory     

Daniel Conti  Alejandro Orfila  Evan Mason  Juan Manuel Sayol  Gonzalo Simarro  Salvador Balle 《Ocean Dynamics》2016,66(11):1415-1427

This work introduces a new method for ocean eddy detection that applies concepts from stationary dynamical systems theory. The method is composed of three steps: first, the centers of eddies are obtained from fixed points and their linear stability analysis; second, the size of the eddies is estimated from the vorticity between the eddy center and its neighboring fixed points, and, third, a tracking algorithm connects the different time frames. The tracking algorithm has been designed to avoid mismatching connections between eddies at different frames. Eddies are detected for the period between 1992 and 2012 using geostrophic velocities derived from AVISO altimetry and a new database is provided for the global ocean.  相似文献   

Mesoscale eddy variability in the Caribbean Sea     

López-Álzate  Margarita E.  Sayol  Juan-Manuel  Hernández-Carrasco  Ismael  Osorio  Andrés F.  Mason  Evan  Orfila  Alejandro 《Ocean Dynamics》2022,72(9-10):679-693

Ocean Dynamics - The spatial distribution, and the monthly and seasonal variability of mesoscale eddy observations derived from the AVISO eddy atlas are assessed in the Caribbean Sea during...  相似文献