Procedures

Updates the current datetime and related date variables.

Compute the lobal mean of eddy kinetic energy and temperature. Stops the integration if the computed diagnostics are outside of allowable ranges.

Check consistency of surface fields with land-sea mask and set undefined values to a constant (to avoid over/underflow).

Compute cloud-top level and cloud cover

Deallocate the ControlParams

Initialize the ControlParams and return the container with the object.

Exchanges fluxes between land and atmosphere.

Exchange fluxes between atmosphere and land/sea.

Checks whether two datetimes are equal.

Diagnose convectively unstable gridboxes

Adds horizontal diffusion tendency of field to spectral tendency fdt using damping coefficients dmp and dmp1.

Adds horizontal diffusion tendency of field to spectral tendency fdt at all model levels using damping coefficients dmp and dmp1.

Replace missing values in surface fields.

Performs nonlinear, mean-conserving interpolation of monthly-mean forcing fields.

Performs linear interpolation of monthly-mean forcing fields.

Generate grid point space SPPT pattern distribution.

Compute convective fluxes of dry static energy and moisture using a simplified mass-flux scheme

Compute the downward flux of long-wave radiation

Compute large-scale condensation and associated tendencies of temperature and moisture

Compute physical parametrization tendencies for u, v, t, q and add them to the dynamical grid-point tendencies

Computes saturation specific humidity.

Compute the absorption of shortwave radiation and initialize arrays for longwave-radiation routines

Compute surface fluxes of momentum, energy and moisture, and define surface skin temperature from energy balance

Compute the absorption of upward long-wave radiation fluxes

Compute tendencies of momentum, energy and moisture due to vertical diffusion and shallow convection

Compute Gaussian weights for direct Legendre transform

Compute zonally-averaged fields to be used in the computation of short-wave absorption

Transform the prognostic variables from the grid to the spectral space.

Apply an spectral filtered (truncate wave numbers) to the grid prognostic variables t_grid, v_grid, u_grid, q_grid, phi_grid, and ps_grid.

Initialize boundary conditions (land-sea mask, surface geopotential and surface albedo).

Initializes control structure with the default parameters.

Initialize both land and sea models.

Initializes all spectral variables starting from a reference atmosphere.

Initializes the arrays used for geopotential calculations

Initializes all spectral variables starting from either a reference atmosphere or a restart file.

Initializes everything.

Initializes land model.

Allocate Model State variables

Allocate sst_anom

Deallocate the ModelState

Deallocate model state variables

Initialize the ModelState and return the container with the object.

Allocate sst_anom

Delete the Fourier instance

Transforms grid-point data to Fourier coefficients.

Transforms Fourier coefficients to grid-point data.

Initializes the ModFourier instance.

Delete the Geometry instance

Initializes all of the model geometry variables.

Initializes the arrays used for horizontal diffusion.

Correct tendencies for implicit gravity wave model

Initialize constants for implicit computation of horizontal diffusion and gravity waves.

Initializes Legendre transforms and constants used for other subroutines that manipulate spherical harmonics. The Legendre polynomials Epsilon function used for various spectral calculations 1/epsi Used for defining shape of spectral triangle Gaussian weights used for integration in direct Legendre transform

Computes direct Legendre transformation. The Legendre polynomials (cpol), the triangular shape definition (nsh2), and the gaussian weights (wt) used for the integration of the Legendre transform needs to be initialized and passed to the function.

Computes inverse Legendre transformation. The Legendre polynomials (cpol) and the triangular shape definition (nsh2) needs to be initialized and passed to the function.

Compute associated Legendre polynomials at given latitude.

Compute a spectrally-filtered grid-point field.

Convert u and v in the grid space to Vorticity and Divergence in the spectral space.

Initialize the spectral module instance

Compute the Vorticity and Divergenge from a wind field (U,V). All the fields are in the spectral space.

Compute the U and V winds from the Vorticity and Divergenge fields. All the fields are in the spectral space.

Performs linear interpolation on the time dimension. This function does not wrap the indexes around the month 1 or 12.

Compute energy fractions in longwave bands as a function of temperature

Generates a random number drawn for the specified normal distribution.

Converts relative humidity to specific humidity, and also returns saturation specific humidity.

Integrates slab land-surface model for one day.

Compute forcing fields for the current date and correction terms for horizontal diffusion

Computes spectral geopotential from spectral temperature T and spectral topography phis, as in GFDL Climate Group GCM. The result is updated in the state%phi variable.

Compute orographic factor for land surface drag Input: phi0 = surface geopotential

Compute reference lapse rate as a function of latitude and date

Converts specific humidity to relative humidity, and also returns saturation specific humidity.

Transform the prognostic variables from the spectral to the grid space. The spectral Divergence and Vorticity are transformed to U and V in the grid space.

Seeds RNG from system clock.