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Merge pull request #1054 from grantfirl/ufs-dev-PR126
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UFS-dev PR#126
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grantfirl authored Mar 8, 2024
2 parents 73a79f5 + e136fb2 commit fa3d019
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1,819 changes: 912 additions & 907 deletions physics/module_nst_model.f90
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133 changes: 73 additions & 60 deletions physics/module_nst_parameters.f90
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Expand Up @@ -9,74 +9,87 @@
!! history:
!! 20210305: X.Li, reduce z_w_max from 30 m to 20 m
module module_nst_parameters

use machine, only : kind_phys
!
! air constants and coefficients from the atmospehric model
use physcons, only: &
eps => con_eps &
,cp_a => con_cp & !< spec heat air @p (j/kg/k)
, epsm1 => con_epsm1 &
, hvap => con_hvap & !< lat heat h2o cond (j/kg)
,sigma_r => con_sbc & !< stefan-boltzmann (w/m2/k4)
,grav => con_g & !< acceleration due to gravity (kg/m/s^2)
,omega => con_omega & !< ang vel of earth (1/s)
,rvrdm1 => con_fvirt &
,rd => con_rd &
,rocp => con_rocp & !< r/cp
,pi => con_pi
use physcons, only: &
eps => con_eps & !< con_rd/con_rv (nd)
,cp_a => con_cp & !< spec heat air @p (j/kg/k)
,epsm1 => con_epsm1 & !< eps - 1 (nd)
,hvap => con_hvap & !< lat heat h2o cond (j/kg)
,sigma_r => con_sbc & !< stefan-boltzmann (w/m2/k4)
,grav => con_g & !< acceleration due to gravity (kg/m/s^2)
,omega => con_omega & !< ang vel of earth (1/s)
,rvrdm1 => con_fvirt & !< con_rv/con_rd-1. (nd)
,rd => con_rd & !< gas constant air (j/kg/k)
,rocp => con_rocp & !< r/cp
,pi => con_pi

implicit none

private

public :: sigma_r
public :: zero, one, half
public :: niter_conv, niter_z_w, niter_sfs
public :: z_w_max, z_w_min, z_w_ini, z_c_max, z_c_ini, eps_z_w, eps_conv, eps_sfs
public :: ri_c, ri_g, omg_m, omg_sh, tc_w, visw, cp_w, t0k, ustar_a_min, delz, exp_const
public :: rad2deg, const_rot, tw_max, sst_max, solar_time_6am, tau_min, wd_max

real(kind_phys), parameter :: zero = 0.0_kind_phys, one = 1.0_kind_phys, half = 0.5_kind_phys
!
! note: take timestep from here later
public
integer :: &
niter_conv = 5, &
niter_z_w = 5, &
niter_sfs = 5
real (kind=kind_phys), parameter :: &
!
! general constants
sec_in_day=86400. &
,sec_in_hour=3600. &
,solar_time_6am=21600.0 &
,const_rot=0.000073 & !< constant to calculate corioli force
,ri_c=0.65 &
,ri_g=0.25 &
,eps_z_w=0.01 & !< criteria to finish iterations for z_w
,eps_conv=0.01 & !< criteria to finish iterations for d_conv
,eps_sfs=0.01 & !< criteria to finish iterations for d_sfs
,z_w_max=20.0 & !< max warm layer thickness
,z_w_min=0.2 & !< min warm layer thickness
,z_w_ini=0.2 & !< initial warm layer thickness in dtl_onset
,z_c_max=0.01 & !< maximum of sub-layer thickness (m)
,z_c_ini=0.001 & !< initial value of z_c
,ustar_a_min=0.031 & !< minimum of friction wind speed (m/s): 0.031 ~ 1m/s at 10 m hight
,tau_min=0.005 & !< minimum of wind stress for dtm
,exp_const=9.5 & !< coefficient in exponet profile
,delz=0.1 & !< vertical increment for integral calculation (m)
,von=0.4 & !< von karman's "constant"
,t0k=273.16 & !< celsius to kelvin
,gray=0.97 &
,sst_max=308.16 &
,tw_max=5.0 &
,wd_max=2.0 &
,omg_m =1.0 & !< trace factor to apply salinity effect
,omg_rot = 1.0 & !< trace factor to apply rotation effect
,omg_sh = 1.0 & !< trace factor to apply sensible heat due to rainfall effect
,visw=1.e-6 & !< m2/s kinematic viscosity water
,novalue=0 &
,smallnumber=1.e-6 &
,timestep_oc=sec_in_day/8. & !< time step in the ocean model (3 hours)
,radian=2.*pi/180. &
,rad2deg=180./pi &
,cp_w=4000. & !< specific heat water (j/kg/k )
,rho0_w=1022.0 & !< density water (kg/m3 ) (or 1024.438)
,vis_w=1.e-6 & !< kinematic viscosity water (m2/s )
,tc_w=0.6 & !< thermal conductivity water (w/m/k )
,capa_w =3950.0 & !< heat capacity of sea water !
,thref =1.0e-3 !< reference value of specific volume (m**3/kg)
!
! general constants
real (kind=kind_phys), parameter :: &
sec_in_day = 86400. &
,sec_in_hour = 3600. &
,solar_time_6am = 21600.0 &
,const_rot = 0.000073 & !< constant to calculate corioli force
,ri_c = 0.65 &
,ri_g = 0.25 &
,eps_z_w = 0.01 & !< criteria to finish iterations for z_w
,eps_conv = 0.01 & !< criteria to finish iterations for d_conv
,eps_sfs = 0.01 & !< criteria to finish iterations for d_sfs
,z_w_max = 20.0 & !< max warm layer thickness
,z_w_min = 0.2 & !< min warm layer thickness
,z_w_ini = 0.2 & !< initial warm layer thickness in dtl_onset
,z_c_max = 0.01 & !< maximum of sub-layer thickness (m)
,z_c_ini = 0.001 & !< initial value of z_c
,ustar_a_min = 0.031 & !< minimum of friction wind speed (m/s): 0.031 ~ 1m/s at 10 m hight
,tau_min = 0.005 & !< minimum of wind stress for dtm
,exp_const = 9.5 & !< coefficient in exponet profile
,delz = 0.1 & !< vertical increment for integral calculation (m)
,von = 0.4 & !< von karman's "constant"
,t0k = 273.16 & !< celsius to kelvin
,gray = 0.97 &
,sst_max = 308.16 &
,tw_max = 5.0 &
,wd_max = 2.0 &
,omg_m = 1.0 & !< trace factor to apply salinity effect
,omg_rot = 1.0 & !< trace factor to apply rotation effect
,omg_sh = 1.0 & !< trace factor to apply sensible heat due to rainfall effect
,visw = 1.e-6 & !< m2/s kinematic viscosity water
,novalue = 0 &
,smallnumber = 1.e-6 &
,timestep_oc = sec_in_day/8. & !< time step in the ocean model (3 hours)
,radian = 2.*pi/180. &
,rad2deg = 180./pi &
,cp_w = 4000. & !< specific heat water (j/kg/k )
,rho0_w = 1022.0 & !< density water (kg/m3 ) (or 1024.438)
,vis_w = 1.e-6 & !< kinematic viscosity water (m2/s )
,tc_w = 0.6 & !< thermal conductivity water (w/m/k )
,capa_w = 3950.0 & !< heat capacity of sea water !
,thref = 1.0e-3 !< reference value of specific volume (m**3/kg)

!!$!============================================
!!$
!!$ ,lvapor=2.453e6 & ! latent heat of vaporization note: make it function of t ????? note the same as hvap
!!$ ,lvapor=2.453e6 & ! latent heat of vaporization note: make it function of t ????? note the same as hvap
!!$ ,alpha=1 ! thermal expansion coefficient
!!$ ,beta ! saline contraction coefficient
!!$ ,cp=1 !=1 specific heat of sea water
Expand All @@ -95,7 +108,7 @@ module module_nst_parameters
!!$ fdg=1.00 !based on results from flux workshop august 1995
!!$ tok=273.16 ! celsius to kelvin
!!$ twopi=3.14159*2.
!!$
!!$
!!$c air constants and coefficients
!!$ rgas=287.1 !j/kg/k gas const. dry air
!!$ xlv=(2.501-0.00237*ts)*1e+6 !j/kg latent heat of vaporization at ts
Expand All @@ -104,7 +117,7 @@ module module_nst_parameters
!!$ rhoa=p*100./(rgas*(t+tok)*(1.+.61*q)) !kg/m3 moist air density ( " )
!!$ visa=1.326e-5*(1+6.542e-3*t+8.301e-6*t*t-4.84e-9*t*t*t) !m2/s
!!$ !kinematic viscosity of dry air - andreas (1989) crrel rep. 89-11
!!$c
!!$c
!!$c cool skin constants
!!$ al=2.1e-5*(ts+3.2)**0.79 !water thermal expansion coefft.
!!$ be=0.026 !salinity expansion coefft.
Expand All @@ -126,11 +139,11 @@ module module_nst_parameters
!!$ real, parameter :: rhoref = 1024.438 !sea water reference density, kg/m^3
!!$ real , parameter :: hslab=50.0 !slab ocean depth
!!$ real , parameter :: bad=-1.0e+10
!!$ real , parameter :: tmin=2.68e+02
!!$ real , parameter :: tmin=2.68e+02
!!$ real , parameter :: tmax=3.11e+02
!!$
!!$ real, parameter :: grav =9.81 !gravity, kg/m/s^2
!!$ real, parameter :: capa =3950.0 !heat capacity of sea water
!!$ real, parameter :: capa =3950.0 !heat capacity of sea water
!!$ real, parameter :: rhoref = 1024.438 !sea water reference density, kg/m^3
!!$ real, parameter :: tmin=2.68e+02 !normal minimal temp
!!$ real, parameter :: tmax=3.11e+02 !normal max temp
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