Changes between Version 14 and Version 15 of doc/app/initialization_parameters
- Timestamp:
- Sep 13, 2010 9:39:21 AM (14 years ago)
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doc/app/initialization_parameters
v14 v15 22 22 * An additional prognostic equation for salinity is solved. 23 23 * Potential temperature in buoyancy and stability-related terms is replaced by potential density. 24 * Potential density is calculated from the equation of state for seawater after each timestep, using the algorithm proposed by Jackett et al. (2006, J. Atmos. Oceanic Technol., 23, 1709-1728).24 * Potential density is calculated from the equation of state for seawater after each timestep, using the algorithm proposed by Jackett et al. (2006, J. Atmos. Oceanic Technol., '''23''', 1709-1728). 25 25 So far, only the initial hydrostatic pressure is entered into this equation. 26 26 * z=0 (sea surface) is assumed at the model top (vertical grid index k=nzt on the w-grid), with negative values of z indicating the depth. 27 * Initial profiles are constructed (e.g. from pt_vertical_gradient / pt_vertical_gradient_level) starting from the sea surface, using surface values given by pt_surface, sa_surface, ug_surface, and vg_surface.27 * Initial profiles are constructed (e.g. from [#pt_vertical_gradient pt_vertical_gradient] / [#pt_vertical_gradient_level pt_vertical_gradient_level]) starting from the sea surface, using surface values given by [#pt_surface pt_surface], [#sa_surface sa_surface], [#ug_surface ug_surface], and [#vg_surface vg_surface]. 28 28 * Zero salinity flux is used as default boundary condition at the bottom of the sea. 29 29 * If switched on, random perturbations are by default imposed to the upper model domain from zu(nzt*2/3) to zu(nzt-3). 30 30 31 31 Relevant parameters to be exclusively used for steering ocean runs are [#bc_sa_t bc_sa_t], [#bottom_salinityflux bottom_salinityflux], [#sa_surface sa_surface], [#sa_vertical_gradient sa_vertical_gradient], [#sa_vertical_gradient_level sa_vertical_gradient_level], and [#top_salinityflux top_salinityflux].\\\\ 32 33 Section 4.4.2 gives an example for appropriate settings of these and other parameters neccessary for ocean runs.\\\\ 34 35 '''ocean''' = ''.T.'' does not allow settings of timestep_scheme = '' 'leapfrog' '' or '' 'leapfrog+euler' '' as well as scalar_advec = '' 'ups-scheme' ''. 32 36 33 37 }}}