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Brannigan, Liam; Johnson, Helen; Lique, Camille; Nycander, Jonas; Nilsson, Johan. |
Isolated anticyclones are frequently observed below the mixed layer in the Arctic Ocean. Some of these sub-surface anticyclones are thought to originate at surface fronts. However, previous idealized simulations with no surface stress show that only cyclone-anticyclone dipoles can propagate away from baroclinically unstable surface fronts. Numerical simulations of fronts subject to a surface stress presented here show that a surface stress in the same direction as the geostrophic flow inhibits dipole propagation away from the front. On the other hand, a surface stress in the opposite direction to the geostrophic flow helps dipoles to propagate away from the front. Regardless of the surface stress at the point of dipole formation, these dipoles can be... |
Tipo: Text |
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Ano: 2017 |
URL: http://archimer.ifremer.fr/doc/00396/50763/51476.pdf |
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