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FTLE field revealing Lagrangian Coherent Structures of Agulhas Rings

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FTLE field revealing Lagrangian Coherent Structures of Agulhas Rings

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  1. OceanFTLE Matlab Package: computes finite-time Lyapunov exponents (FTLE) of ocean flows that define the exponential rate of the finite-time separation of neighboring fluid parcels. FTLE fields reveal separatrices, called Lagrangian Coherent Structures, that divide dynamically distinct regions in the flow such as eddies, vortices, fronts etc. FTLE field revealing Lagrangian Coherent Structures of Agulhas Rings

  2. Time-independent flowintegration time T = 100 days 1° x 1° resolution 1/3° x 1/3° resolution

  3. Time-independent flowintegration time T = 100 days 2° x 2° resolution 1/3° x 1/3° resolution

  4. Time-dependent flowintegration time T = 100 days 1° x 1° resolution 1/3° x 1/3° resolution

  5. Time-dependent flowintegration time T = 100 days 1/3° x 1/3° resolution 2° x 2° resolution

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