Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Stability of the Malvinas Current   Deterministic and probabilistic tools from nonlinear dynamics are used to
assess enduring near-surface Lagrangian aspects of the Malvinas Current. The
deterministic tools are applied on a multi-year record of velocities derived
from satellite altimetry data, revealing a resilient cross-stream transport
barrier. This is composed of shearless-parabolic Lagrangian coherent structures
(LCS), which, extracted over sliding time windows along the multi-year
altimetry-derived velocity record, lie in near coincidental position. The
probabilistic tools are applied on a large collection of historical
satellite-tracked drifter trajectories, revealing weakly communicating flow
regions on either side of the altimetry-derived barrier. Shearless-parabolic
LCS are detected for the first time from altimetry data, and their significance
is supported on satellite-derived ocean color data, which reveal shapes that
quite closely resemble the peculiar V shapes, dubbed `chevrons,' that have
recently confirmed the presence of similar LCS in the atmosphere of Jupiter.
Finally, using in-situ velocity and hydrographic data, conditions for symmetric
stability are found to be satisfied, suggesting a duality between Lagrangian
and Eulerian stability for the Malvinas Current.

29
The categories of this paper are: funct-an
36
The categories of this paper are: cmp-lg
33
The categories of this paper are: plasm-ph
20
The categories of this paper are: acc-phys
7
The categories of this paper are: hep-th
0
The categories of this paper are: hep-ph
17
The categories of this paper are: q-fin
6
The categories of this paper are: astro-ph
26
The categories of this paper are: bayes-an
34
The categories of this paper are: chem-ph
8
The categories of this paper are: hep-ex
25
The categories of this paper are: patt-sol
22
The categories of this paper are: chao-dyn
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The categories of this paper are: dg-ga
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The categories of this paper are: solv-int
12
The categories of this paper are: nucl-th