gfs_rrtmgp_cloud_overlap_run()

subroutine, public gfs_rrtmgp_cloud_overlap::gfs_rrtmgp_cloud_overlap_run	(	integer, intent(in)	ncol,
		integer, intent(in)	nlev,
		integer, intent(in)	yearlen,
		logical, intent(in)	doswrad,
		logical, intent(in)	dolwrad,
		real(kind_phys), intent(in)	julian,
		real(kind_phys), dimension(:), intent(in)	lat,
		real(kind_phys), dimension(:,:), intent(in), optional	deltazc,
		real(kind_phys), intent(in)	con_pi,
		real(kind_phys), intent(in)	con_g,
		real(kind_phys), intent(in)	con_rd,
		real(kind_phys), intent(in)	con_epsq,
		real(kind_phys), intent(in)	dcorr_con,
		integer, intent(in)	idcor,
		integer, intent(in)	iovr,
		integer, intent(in)	iovr_dcorr,
		integer, intent(in)	iovr_exp,
		integer, intent(in)	iovr_exprand,
		integer, intent(in)	idcor_con,
		integer, intent(in)	idcor_hogan,
		integer, intent(in)	idcor_oreopoulos,
		real(kind_phys), dimension(:,:), intent(in)	cld_frac,
		real(kind_phys), dimension(:,:), intent(in), optional	cld_cnv_frac,
		integer, intent(in)	iovr_convcld,
		logical, intent(in)	top_at_1,
		integer, intent(in)	imfdeepcnv,
		integer, intent(in)	imfdeepcnv_gf,
		integer, intent(in)	imfdeepcnv_samf,
		real(kind_phys), dimension(:), intent(out)	de_lgth,
		real(kind_phys), dimension(:,:), intent(out), optional	cloud_overlap_param,
		real(kind_phys), dimension(:,:), intent(out), optional	cnv_cloud_overlap_param,
		real(kind_phys), dimension(:,:), intent(out), optional	precip_overlap_param,
		character(len=*), intent(out)	errmsg,
		integer, intent(out)	errflg )

Argument Table

This is identical (shares common-code) to RRTMG. The motivation for RRTMGP to have its own scheme is both organizational and philosophical*.

*The number of "clouds" being produced by the model physics is often greater than one. rte-rrtmgp can accomodate multiple cloud-types. This module preservers this enhancement in the EMCs coupling to the RRTMGP scheme.

Parameters

[in]	idcor_oreopoulos	Flag for decorrelation-length. (10.5194/acp-12-9097-2012)
[in]	dolwrad	Call LW radiation
[in]	dcorr_con	Decorrelation-length (used if idcor = idcor_con)
[in]	lat	Latitude
[in]	cld_frac	Total cloud fraction
[in]	cld_cnv_frac	Convective cloud-fraction
[in]	deltazc	Layer thickness (from layer-centers)(m)
[out]	de_lgth	Decorrelation length
[out]	precip_overlap_param	Precipitation overlap parameter
[out]	errmsg	Error message
[out]	errflg	Error flag

Parameters

ncol	Number of horizontal grid points
nlev	Number of vertical layers
yearlen	Length of current year (365/366) WTF?
doswrad	Call SW radiation?
julian	Julian day
con_pi	Physical constant: pi
con_g	Physical constant: gravitational constant
con_rd	Physical constant: gas-constant for dry air
con_epsq	Physical constant: Minimum value for specific humidity
idcor	Choice of method for decorrelation length computation
iovr	Choice of cloud-overlap method
iovr_dcorr	Flag for decorrelation-length cloud overlap method
iovr_exp	Flag for exponential cloud overlap method
iovr_exprand	Flag for exponential-random cloud overlap method
idcor_con	Flag for decorrelation-length. Use constant value
idcor_hogan	Flag for decorrelation-length. (https://rmets.onlinelibrary.wiley.com/doi/full/10.1002/qj.647)
iovr_convcld	Choice of convective cloud-overlap method
top_at_1	Vertical ordering flag
imfdeepcnv
imfdeepcnv_gf
imfdeepcnv_samf
cloud_overlap_param	Cloud-overlap parameter
cnv_cloud_overlap_param	Convective cloud-overlap parameter