Mixing structures in the Mediterranean Sea from finite‐size Lyapunov exponents
By F. d’Ovidio, V. Fernández, E. Hernández‐García, C. López. 2004
380 citations recorded by the source corpus.
We characterize horizontal mixing and transport structures in the surface circulation of the Mediterranean Sea, as obtained from a primitive equation circulation model. We calculate the Finite Size Lyapunov Exponents (FSLEs) of the velocity data set, which give a direct measure of the local stirring. By proper election of the FSLE parameters, we focus on the mesoscale structures, locating a number of vortices embedded in an intricate network of high‐stretching lines. These lines control transport in the system. At the edge of the vortices, a dense tangle of line intersections appears, identifying strong mixing. The spatial distribution of FSLEs, averaged over one year, allows to classify areas in the Mediterranean basin according by their mixing activity. The space average of FSLEs on selected geographical regions gives a measure for quantifying and comparing the mixing seasonal variability.
Subfields: Oceanography, Paleontology, Statistical and Nonlinear Physics
View Paper: https://www.semanticscholar.org/paper/eda48d7e2da15a4b46d26cb2ebfb361839621316
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In Oceanography
Citations in the corpus
- On the global estimates of geostrophic and Ekman surface currents (2013, background): “…(°) DC u (c m s –1 ) 60 40 20 0 –20 –40 –60 –15 –10 –5 0 5 10 15 Latitude (°) u (c m s –1 ) q 2013 by the Association for the Sciences of Limnology and Oceanography, Inc. / e-ISSN 2157-3689 Downloaded by guest on June 5, 2014 on mesoscale structures (d’Ovidio et al. 2004; Rossi et al. 2008).”
- Linking basin‐scale connectivity, oceanography and population dynamics for the conservation and management of marine ecosystems (2016, background): “This43 is probably related to the enhanced winter mixing in the surface ocean [d’Ovidio et al. 2004] which leads to44 stronger and more anisotropic larval dispersal in the surface ocean.”