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. 2017 Apr 11;7:46291. doi: 10.1038/srep46291

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Copyright © 2017, The Author(s)

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Colors are associated to the drogue status of the SVP drifter pairs: red = drogued (1,1); green = drogued/undrogued (1,0); blue = undrogued (0,0); black = any status. The FSLE scaling exponent, λ(δ) ~ δ^−β, corresponds to: Richardson’s dispersion (β = 2/3), shear/ballistic separation (β = 1), and standard eddy-diffusion (β = 2). Exponential separation rates, i.e. λ(δ) ≃ constant, are indicated as λ_ms, for the mesoscales, and as λ_sms, for the submesoscales (when resolved). Maximum initial separation allowed: Δ = 10 km. Amplification ratio . The FSLE λ(δ) is inversely proportional to the characteristic time scale of dispersion at scale δ. Panel generated with GNUPLOT 5.0 (Williams, T. and Kelley, C., 2011; Gnuplot 5.0: an interactive plotting program; URL: http://gnuplot.info).

Inline graphic — Colors are associated to the drogue status of the SVP drifter pairs: red = drogued (1,1); green = drogued/undrogued (1,0); blue = undrogued (0,0); black = any status. The FSLE scaling exponent, λ(δ) ~ δ^−β, corresponds to: Richardson’s dispersion (β = 2/3), shear/ballistic separation (β = 1), and standard eddy-diffusion (β = 2). Exponential separation rates, i.e. λ(δ) ≃ constant, are indicated as λ_ms, for the mesoscales, and as λ_sms, for the submesoscales (when resolved). Maximum initial separation allowed: Δ = 10 km. Amplification ratio . The FSLE λ(δ) is inversely proportional to the characteristic time scale of dispersion at scale δ. Panel generated with GNUPLOT 5.0 (Williams, T. and Kelley, C., 2011; Gnuplot 5.0: an interactive plotting program; URL: http://gnuplot.info).