Figure 2
From: Dynamical controls on the longevity of a non-linear vortex : The case of the Lofoten Basin Eddy
Seasonal evolution of the LBE as observed by gliders and ships. Cross-sections of (a) conservative temperature with contours of potential density anomalies, (b) azimuthal velocities, (c) relative vorticity with contours of strain rate normalized by f, (d) potential vorticity with contours of along isopycnal core to background PV ratio (light red corresponds to a reduction by a factor of 100, dark red of 10 and dark blue of 2). Blue dots are estimates of MLD from CTD profiles (blue line from optimally interpolated sections). White triangles in the upper panels show the position of cruise CTD/L-ADCP or glider profiles. Note that glider sections, due to their spiraling trajectories, did not capture the strain rate at the eddy periphery as accurately as synoptic shipborne sections.
