oocgcm.core.grids.generic_2d_grid.frontogenesis_function¶
- generic_2d_grid.frontogenesis_function(velocity, buoyancy)¶
Return the frontogenesis function.
Parameters: velocityfield : VectorField2d
namedtuple of horisontal velocity at u,v grid locations
buoyancy : xarray.DataArray
xarray of buoyancy at grid_location=’t’
Returns: result : xarray.DataArray
Frontogenesis function at at t location.
Notes
Definition of the frontogenesis function (following [R7])
\[F_s = \mathbf{Q}_{kd} \cdot \nabla_h b\]References
[R7] (1, 2) Hoskins, B.J., Bretherton, F.P., 1972. Atmospheric Frontogenesis Models: Mathematical Formulation and Solution. J. Atmos. Sci. 29, 11-37.