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Unstable manifolds near station ALOHA from observations

Fig. 1 shows the backward-in-time finite-size Lyapunov exponents (FSLE) averaged within 0.1° from station ALOHA (158°W, 22.75°N), computed from T/P sea surface height (SSH).

../../../../../../_images/fsle_back_near_ALOHA_1993_2009.png

Figure 1: Backward-in-time finite-size Lyapunov exponents (FSLE) averaged within 0.1° from station ALOHA (158°W, 22.75°N), computed from T/P sea surface height (SSH). The initial distance is 0.03° and final distance is 0.6° . The SSH and geostrophic flow has been interpolated over a 3-day grid before computing the trajectories. The horizontal dashed black line shows the time mean and the thick red line shows the 3-month running mean.


The matlab file is unstable_manifold_nearALOHA_Feb1993_Feb2009.mat computed with fsle_hr_back_1997to2005_nearALOHA.m in RESEARCH/PROJECTS/MARINE_BIOLOGY/SUBMESOSCALE_PROCESSES/FSLE/analysis.