On the relationship between singularity exponents and finite time Lyapunov exponents in remote sensed images of the ocean

Autors/ores

  • Lluïsa Puig Moner Universitat Autònoma de Barcelona

DOI:

https://doi.org/10.2436/20.2002.02.35

Paraules clau:

finite size Lyapunov exponents, singularity exponents, remote sensing, Lagrangian analysis, Eulerian analysis

Resum

Els processos de transport i mescla horitzontals son clau per descriure la majoria de fenòmens a l’oceà. Les estructures lagrangianes coherents es defineixen com màxims locals dels exponents de Lyapunov finits i expliquen aquests processos. Cal però, una seqüencia del camp de velocitats per estimar-los numèricament. Aquí, estudiem fins a quin punt aquests exponents es poden estimar mitjançant l’anàlisi singular de diferents imatges satèl·lit de l’oceà. L’anàlisi singular es basa en la descomposició d’un senyal en components fractals caracteritzats pels anomenats exponents de singularitat.

Descàrregues

Publicat

2024-01-26

Com citar

Puig Moner, L. (2024). On the relationship between singularity exponents and finite time Lyapunov exponents in remote sensed images of the ocean. Reports@SCM, 8(1), 21–33. https://doi.org/10.2436/20.2002.02.35

Número

Vol. 8 Núm. 1 (2023)

Secció

Articles

Llicència

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