GFS Near-Surface Sea Temperature Scheme Module

This subroutine calls the Thermal Skin-layer and Diurnal Thermocline models to update the NSST profile. More...

Detailed Description

Argument Table

local_name	standard_name	long_name	units	type	dimensions	kind	intent	optional
im	horizontal_loop_extent	horizontal loop extent	count	integer	()		in	False
hvap	latent_heat_of_vaporization_of_water_at_0C	latent heat of evaporation/sublimation	J kg-1	real	()	kind_phys	in	False
cp	specific_heat_of_dry_air_at_constant_pressure	specific heat of dry air at constant pressure	J kg-1 K-1	real	()	kind_phys	in	False
hfus	latent_heat_of_fusion_of_water_at_0C	latent heat of fusion	J kg-1	real	()	kind_phys	in	False
jcal	joules_per_calorie_constant	joules per calorie constant	J cal-1	real	()	kind_phys	in	False
eps	ratio_of_dry_air_to_water_vapor_gas_constants	rd/rv	none	real	()	kind_phys	in	False
epsm1	ratio_of_dry_air_to_water_vapor_gas_constants_minus_one	(rd/rv) - 1	none	real	()	kind_phys	in	False
rvrdm1	ratio_of_vapor_to_dry_air_gas_constants_minus_one	(rv/rd) - 1 (rv = ideal gas constant for water vapor)	none	real	()	kind_phys	in	False
rd	gas_constant_dry_air	ideal gas constant for dry air	J kg-1 K-1	real	()	kind_phys	in	False
rhw0	sea_water_reference_density	sea water reference density	kg m-3	real	()	kind_phys	in	False
sbc	stefan_boltzmann_constant	Stefan-Boltzmann constant	W m-2 K-4	real	()	kind_phys	in	False
pi	pi	ratio of a circle's circumference to its diameter	none	real	()	kind_phys	in	False
ps	surface_air_pressure	surface pressure	Pa	real	(horizontal_dimension)	kind_phys	in	False
u1	x_wind_at_lowest_model_layer	x component of surface layer wind	m s-1	real	(horizontal_dimension)	kind_phys	in	False
v1	y_wind_at_lowest_model_layer	y component of surface layer wind	m s-1	real	(horizontal_dimension)	kind_phys	in	False
t1	air_temperature_at_lowest_model_layer	surface layer mean temperature	K	real	(horizontal_dimension)	kind_phys	in	False
q1	water_vapor_specific_humidity_at_lowest_model_layer	surface layer mean specific humidity	kg kg-1	real	(horizontal_dimension)	kind_phys	in	False
tref	sea_surface_reference_temperature	reference/foundation temperature	K	real	(horizontal_dimension)	kind_phys	in	False
cm	surface_drag_coefficient_for_momentum_in_air_over_ocean	surface exchange coeff for momentum over ocean	none	real	(horizontal_dimension)	kind_phys	in	False
ch	surface_drag_coefficient_for_heat_and_moisture_in_air_over_ocean	surface exchange coeff heat & moisture over ocean	none	real	(horizontal_dimension)	kind_phys	in	False
prsl1	air_pressure_at_lowest_model_layer	surface layer mean pressure	Pa	real	(horizontal_dimension)	kind_phys	in	False
prslki	ratio_of_exner_function_between_midlayer_and_interface_at_lowest_model_layer	Exner function ratio bt midlayer and interface at 1st layer	ratio	real	(horizontal_dimension)	kind_phys	in	False
prsik1	dimensionless_exner_function_at_lowest_model_interface	dimensionless Exner function at the ground surface	none	real	(horizontal_dimension)	kind_phys	in	False
prslk1	dimensionless_exner_function_at_lowest_model_layer	dimensionless Exner function at the lowest model layer	none	real	(horizontal_dimension)	kind_phys	in	False
wet	flag_nonzero_wet_surface_fraction	flag indicating presence of some ocean or lake surface area fraction	flag	logical	(horizontal_dimension)		in	False
xlon	longitude	longitude	radian	real	(horizontal_dimension)	kind_phys	in	False
sinlat	sine_of_latitude	sine of latitude	none	real	(horizontal_dimension)	kind_phys	in	False
stress	surface_wind_stress_over_ocean	surface wind stress over ocean	m2 s-2	real	(horizontal_dimension)	kind_phys	in	False
sfcemis	surface_longwave_emissivity_over_ocean_interstitial	surface lw emissivity in fraction over ocean (temporary use as interstitial)	frac	real	(horizontal_dimension)	kind_phys	in	False
dlwflx	surface_downwelling_longwave_flux_absorbed_by_ground_over_ocean	total sky surface downward longwave flux absorbed by the ground over ocean	W m-2	real	(horizontal_dimension)	kind_phys	in	False
sfcnsw	surface_net_downwelling_shortwave_flux	total sky sfc net sw flx into ocean	W m-2	real	(horizontal_dimension)	kind_phys	in	False
rain	nonnegative_lwe_thickness_of_precipitation_amount_on_dynamics_timestep_over_ocean	total precipitation amount in each time step over ocean	m	real	(horizontal_dimension)	kind_phys	in	False
timestep	time_step_for_dynamics	timestep interval	s	real	()	kind_phys	in	False
kdt	index_of_time_step	current time step index	index	integer	()		in	False
solhr	forecast_hour_of_the_day	time in hours after 00z at the current timestep	h	real	()	kind_phys	in	False
xcosz	instantaneous_cosine_of_zenith_angle	cosine of solar zenith angle	none	real	(horizontal_dimension)	kind_phys	in	False
wind	wind_speed_at_lowest_model_layer	wind speed at lowest model level	m s-1	real	(horizontal_dimension)	kind_phys	in	False
flag_iter	flag_for_iteration	flag for iteration	flag	logical	(horizontal_dimension)		in	False
flag_guess	flag_for_guess_run	flag for guess run	flag	logical	(horizontal_dimension)		in	False
nstf_name1	flag_for_nsstm_run	NSSTM flag: off/uncoupled/coupled=0/1/2	flag	integer	()		in	False
nstf_name4	vertical_temperature_average_range_lower_bound	zsea1	mm	integer	()		in	False
nstf_name5	vertical_temperature_average_range_upper_bound	zsea2	mm	integer	()		in	False
lprnt	flag_print	flag for printing diagnostics to output	flag	logical	()		in	False
ipr	horizontal_index_of_printed_column	horizontal index of printed column	index	integer	()		in	False
tskin	surface_skin_temperature_for_nsst	ocean surface skin temperature	K	real	(horizontal_dimension)	kind_phys	inout	False
tsurf	surface_skin_temperature_after_iteration_over_ocean	surface skin temperature after iteration over ocean	K	real	(horizontal_dimension)	kind_phys	inout	False
xt	diurnal_thermocline_layer_heat_content	heat content in diurnal thermocline layer	K m	real	(horizontal_dimension)	kind_phys	inout	False
xs	sea_water_salinity	salinity content in diurnal thermocline layer	ppt m	real	(horizontal_dimension)	kind_phys	inout	False
xu	diurnal_thermocline_layer_x_current	u-current content in diurnal thermocline layer	m2 s-1	real	(horizontal_dimension)	kind_phys	inout	False
xv	diurnal_thermocline_layer_y_current	v-current content in diurnal thermocline layer	m2 s-1	real	(horizontal_dimension)	kind_phys	inout	False
xz	diurnal_thermocline_layer_thickness	diurnal thermocline layer thickness	m	real	(horizontal_dimension)	kind_phys	inout	False
zm	ocean_mixed_layer_thickness	mixed layer thickness	m	real	(horizontal_dimension)	kind_phys	inout	False
xtts	sensitivity_of_dtl_heat_content_to_surface_temperature	d(xt)/d(ts)	m	real	(horizontal_dimension)	kind_phys	inout	False
xzts	sensitivity_of_dtl_thickness_to_surface_temperature	d(xz)/d(ts)	m K-1	real	(horizontal_dimension)	kind_phys	inout	False
dt_cool	sub_layer_cooling_amount	sub-layer cooling amount	K	real	(horizontal_dimension)	kind_phys	inout	False
z_c	sub_layer_cooling_thickness	sub-layer cooling thickness	m	real	(horizontal_dimension)	kind_phys	inout	False
c_0	coefficient_c_0	coefficient1 to calculate d(tz)/d(ts)	none	real	(horizontal_dimension)	kind_phys	inout	False
c_d	coefficient_c_d	coefficient2 to calculate d(tz)/d(ts)	none	real	(horizontal_dimension)	kind_phys	inout	False
w_0	coefficient_w_0	coefficient3 to calculate d(tz)/d(ts)	none	real	(horizontal_dimension)	kind_phys	inout	False
w_d	coefficient_w_d	coefficient4 to calculate d(tz)/d(ts)	none	real	(horizontal_dimension)	kind_phys	inout	False
d_conv	free_convection_layer_thickness	thickness of free convection layer	m	real	(horizontal_dimension)	kind_phys	inout	False
ifd	index_of_dtlm_start	index to start dtlm run or not	index	real	(horizontal_dimension)	kind_phys	inout	False
qrain	sensible_heat_flux_due_to_rainfall	sensible heat flux due to rainfall	W	real	(horizontal_dimension)	kind_phys	inout	False
qsurf	surface_specific_humidity_over_ocean	surface air saturation specific humidity over ocean	kg kg-1	real	(horizontal_dimension)	kind_phys	inout	False
gflux	upward_heat_flux_in_soil_over_ocean	soil heat flux over ocean	W m-2	real	(horizontal_dimension)	kind_phys	inout	False
cmm	surface_drag_wind_speed_for_momentum_in_air_over_ocean	momentum exchange coefficient over ocean	m s-1	real	(horizontal_dimension)	kind_phys	inout	False
chh	surface_drag_mass_flux_for_heat_and_moisture_in_air_over_ocean	thermal exchange coefficient over ocean	kg m-2 s-1	real	(horizontal_dimension)	kind_phys	inout	False
evap	kinematic_surface_upward_latent_heat_flux_over_ocean	kinematic surface upward latent heat flux over ocean	kg kg-1 m s-1	real	(horizontal_dimension)	kind_phys	inout	False
hflx	kinematic_surface_upward_sensible_heat_flux_over_ocean	kinematic surface upward sensible heat flux over ocean	K m s-1	real	(horizontal_dimension)	kind_phys	inout	False
ep	surface_upward_potential_latent_heat_flux_over_ocean	surface upward potential latent heat flux over ocean	W m-2	real	(horizontal_dimension)	kind_phys	inout	False
errmsg	ccpp_error_message	error message for error handling in CCPP	none	character	()	len=*	out	False
errflg	ccpp_error_flag	error flag for error handling in CCPP	flag	integer	()		out	False

GFS Near-Surface Sea Temperature Scheme General Algorithm

Collaboration diagram for GFS Near-Surface Sea Temperature Scheme Module:

Modules
	GFS NSST Diurnal Thermocline Model
	This module contains the diurnal thermocline layer model (DTM) of the GFS NSST scheme.
	GFS NSST Parameter Module
	This module contains constants and parameters used in GFS near surface sea temperature scheme.
	GFS NSST Water Property
	This module contains GFS NSST water property subroutines.

Functions/Subroutines
subroutine	sfc_nst::sfc_nst_run (im, hvap, cp, hfus, jcal, eps, epsm1, rvrdm1, rd, rhw0, pi, sbc, ps, u1, v1, t1, q1, tref, cm, ch, prsl1, prslki, prsik1, prslk1, wet, xlon, sinlat, stress, sfcemis, dlwflx, sfcnsw, rain, timestep, kdt, solhr, xcosz, wind, flag_iter, flag_guess, nstf_name1, nstf_name4, nstf_name5, lprnt, ipr, tskin, tsurf, xt, xs, xu, xv, xz, zm, xtts, xzts, dt_cool, z_c, c_0, c_d, w_0, w_d, d_conv, ifd, qrain, qsurf, gflux, cmm, chh, evap, hflx, ep, errmsg, errflg )