15.12. Baroclinic Vortex

Free evolution of a baroclinic vortex (South West drift) that retains part of its initial axisymmetric shape as advective effects compensate for weak-amplitude Rossby-wave dispersion in its wake. 1-way and 2-way nesting were tested with this configuration.

McWilliams, J.C., Flierl, G.R., 1979. On the evolution of isolated nonlinear vortices. J. Phys. Oceanogr. 9, 1155–1182.

Penven, P., Debreu, L., Marchesiello, P., McWilliams, J.C., 2006. Application of the ROMS embedding procedure for the central California upwelling system. Ocean Model. 12, 157–187.

Debreu L., P. Marchesiello, P. Penven and G. Cambon, 2012: Two-way nesting in split-explicit ocean models: Algorithms, implementation and validation. Ocean Modelling 49-50 (2012) 1–21

# define VORTEX

CPP options:

# undef  OPENMP
# undef  MPI
# undef  AGRIF
# undef  AGRIF_2WAY
# undef  NBQ
# define SOLVE3D
# define UV_COR
# define UV_ADV
# define ANA_STFLUX
# define ANA_SMFLUX
# define ANA_BSFLUX
# define ANA_BTFLUX
# define ANA_VMIX
# define OBC_EAST
# define OBC_WEST
# define OBC_NORTH
# define OBC_SOUTH
# define SPONGE
# define ZCLIMATOLOGY
# define M2CLIMATOLOGY
# define M3CLIMATOLOGY
# define TCLIMATOLOGY
# define ZNUDGING
# define M2NUDGING
# define M3NUDGING
# define TNUDGING
# define NO_FRCFILE

Settings :

Results :

../_images/test_cases_vortex.png

VORTEX results : difference between parent and child grid (cm)