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icepack_parameters.F90
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icepack_parameters.F90
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!=========================================================================
!
! flags for the column package
!
! authors: Elizabeth C. Hunke, LANL
module icepack_parameters
use icepack_kinds
use icepack_warnings, only: icepack_warnings_aborted
implicit none
private
public :: icepack_init_parameters
public :: icepack_query_parameters
public :: icepack_write_parameters
public :: icepack_recompute_constants
!-----------------------------------------------------------------
! parameter constants
!-----------------------------------------------------------------
integer (kind=int_kind), parameter, public :: &
nspint = 3 ! number of solar spectral intervals
real (kind=dbl_kind), parameter, public :: &
c0 = 0.0_dbl_kind, &
c1 = 1.0_dbl_kind, &
c1p5 = 1.5_dbl_kind, &
c2 = 2.0_dbl_kind, &
c3 = 3.0_dbl_kind, &
c4 = 4.0_dbl_kind, &
c5 = 5.0_dbl_kind, &
c6 = 6.0_dbl_kind, &
c8 = 8.0_dbl_kind, &
c10 = 10.0_dbl_kind, &
c15 = 15.0_dbl_kind, &
c16 = 16.0_dbl_kind, &
c20 = 20.0_dbl_kind, &
c25 = 25.0_dbl_kind, &
c100 = 100.0_dbl_kind, &
c180 = 180.0_dbl_kind, &
c1000= 1000.0_dbl_kind, &
p001 = 0.001_dbl_kind, &
p01 = 0.01_dbl_kind, &
p1 = 0.1_dbl_kind, &
p2 = 0.2_dbl_kind, &
p4 = 0.4_dbl_kind, &
p5 = 0.5_dbl_kind, &
p6 = 0.6_dbl_kind, &
p05 = 0.05_dbl_kind, &
p15 = 0.15_dbl_kind, &
p25 = 0.25_dbl_kind, &
p75 = 0.75_dbl_kind, &
p333 = c1/c3, &
p666 = c2/c3, &
spval_const= -1.0e36_dbl_kind
real (kind=dbl_kind), public :: &
secday = 86400.0_dbl_kind ,&! seconds in calendar day
puny = 1.0e-11_dbl_kind, &
bignum = 1.0e+30_dbl_kind, &
pi = 3.14159265358979323846_dbl_kind
!-----------------------------------------------------------------
! derived physical constants
! Lfresh = Lsub-Lvap ,&! latent heat of melting of fresh ice (J/kg)
! cprho = cp_ocn*rhow ,&! for ocean mixed layer (J kg / K m^3)
! Cp = 0.5_dbl_kind*gravit*(rhow-rhoi)*rhoi/rhow ,&! proport const for PE
!-----------------------------------------------------------------
real (kind=dbl_kind), public :: &
pih = spval_const ,&! 0.5 * pi
piq = spval_const ,&! 0.25 * pi
pi2 = spval_const ,&! 2 * pi
rad_to_deg = spval_const ,&! conversion factor, radians to degrees
Lfresh = spval_const ,&! latent heat of melting of fresh ice (J/kg)
cprho = spval_const ,&! for ocean mixed layer (J kg / K m^3)
Cp = spval_const ! proport const for PE
!-----------------------------------------------------------------
! Densities
!-----------------------------------------------------------------
real (kind=dbl_kind), public :: &
rhos = 330.0_dbl_kind ,&! density of snow (kg/m^3)
rhoi = 917.0_dbl_kind ,&! density of ice (kg/m^3)
rhosi = 940.0_dbl_kind ,&! average sea ice density
! Cox and Weeks, 1982: 919-974 kg/m^2
rhow = 1026.0_dbl_kind ,&! density of seawater (kg/m^3)
rhofresh = 1000.0_dbl_kind ! density of fresh water (kg/m^3)
!-----------------------------------------------------------------------
! Parameters for thermodynamics
!-----------------------------------------------------------------------
real (kind=dbl_kind), public :: &
hfrazilmin = 0.05_dbl_kind ,&! min thickness of new frazil ice (m)
cp_ice = 2106._dbl_kind ,&! specific heat of fresh ice (J/kg/K)
cp_ocn = 4218._dbl_kind ,&! specific heat of ocn (J/kg/K)
! freshwater value needed for enthalpy
depressT = 0.054_dbl_kind ,&! Tf:brine salinity ratio (C/ppt)
viscosity_dyn = 1.79e-3_dbl_kind, & ! dynamic viscosity of brine (kg/m/s)
Tocnfrz = -1.8_dbl_kind ,&! freezing temp of seawater (C),
! used as Tsfcn for open water
Tffresh = 273.15_dbl_kind ,&! freezing temp of fresh ice (K)
Lsub = 2.835e6_dbl_kind ,&! latent heat, sublimation freshwater (J/kg)
Lvap = 2.501e6_dbl_kind ,&! latent heat, vaporization freshwater (J/kg)
Timelt = 0.0_dbl_kind ,&! melting temperature, ice top surface (C)
Tsmelt = 0.0_dbl_kind ,&! melting temperature, snow top surface (C)
ice_ref_salinity =4._dbl_kind,&! (ppt)
! kice is not used for mushy thermo
kice = 2.03_dbl_kind ,&! thermal conductivity of fresh ice(W/m/deg)
! kseaice is used only for zero-layer thermo
kseaice = 2.00_dbl_kind ,&! thermal conductivity of sea ice (W/m/deg)
ksno = 0.30_dbl_kind ,&! thermal conductivity of snow (W/m/deg)
hs_min = 1.e-4_dbl_kind ,&! min snow thickness for computing zTsn (m)
snowpatch = 0.02_dbl_kind ,&! parameter for fractional snow area (m)
saltmax = 3.2_dbl_kind ,&! max salinity at ice base for BL99 (ppt)
! phi_init, dSin0_frazil are for mushy thermo
phi_init = 0.75_dbl_kind ,&! initial liquid fraction of frazil
min_salin = p1 ,&! threshold for brine pocket treatment
salt_loss = 0.4_dbl_kind ,&! fraction of salt retained in zsalinity
dSin0_frazil = c3 ,&! bulk salinity reduction of newly formed frazil
dts_b = 50._dbl_kind ,&! zsalinity timestep
ustar_min = 0.005_dbl_kind ,&! minimum friction velocity for ocean heat flux (m/s)
! mushy thermo
a_rapid_mode = 0.5e-3_dbl_kind,&! channel radius for rapid drainage mode (m)
Rac_rapid_mode = 10.0_dbl_kind,&! critical Rayleigh number
aspect_rapid_mode = 1.0_dbl_kind,&! aspect ratio (larger is wider)
dSdt_slow_mode = -1.5e-7_dbl_kind,&! slow mode drainage strength (m s-1 K-1)
phi_c_slow_mode = 0.05_dbl_kind,&! critical liquid fraction porosity cutoff
phi_i_mushy = 0.85_dbl_kind ! liquid fraction of congelation ice
integer (kind=int_kind), public :: &
ktherm = 1 ! type of thermodynamics
! 0 = 0-layer approximation
! 1 = Bitz and Lipscomb 1999
! 2 = mushy layer theory
character (char_len), public :: &
conduct = 'bubbly', & ! 'MU71' or 'bubbly'
fbot_xfer_type = 'constant' ! transfer coefficient type for ice-ocean heat flux
logical (kind=log_kind), public :: &
heat_capacity = .true. ,&! if true, ice has nonzero heat capacity
! if false, use zero-layer thermodynamics
calc_Tsfc = .true. ,&! if true, calculate surface temperature
! if false, Tsfc is computed elsewhere and
! atmos-ice fluxes are provided to CICE
update_ocn_f = .false. ,&! include fresh water and salt fluxes for frazil
solve_zsal = .false. ,&! if true, update salinity profile from solve_S_dt
modal_aero = .false. ,&! if true, use modal aerosal optical properties
! only for use with tr_aero or tr_zaero
conserv_check = .false. ! if true, do conservations checks and abort
character(len=char_len), public :: &
tfrz_option = 'mushy' ! form of ocean freezing temperature
! 'minus1p8' = -1.8 C
! 'linear_salt' = -depressT * sss
! 'mushy' conforms with ktherm=2
!-----------------------------------------------------------------------
! Parameters for radiation
!-----------------------------------------------------------------------
real (kind=dbl_kind), public :: &
! (Briegleb JGR 97 11475-11485 July 1992)
emissivity = 0.985_dbl_kind,&! emissivity of snow and ice
albocn = 0.06_dbl_kind ,&! ocean albedo
vonkar = 0.4_dbl_kind ,&! von Karman constant
stefan_boltzmann = 567.0e-10_dbl_kind,&! W/m^2/K^4
! (Ebert, Schramm and Curry JGR 100 15965-15975 Aug 1995)
kappav = 1.4_dbl_kind ,&! vis extnctn coef in ice, wvlngth<700nm (1/m)
hi_ssl = 0.050_dbl_kind,&! ice surface scattering layer thickness (m)
hs_ssl = 0.040_dbl_kind,&! snow surface scattering layer thickness (m)
! baseline albedos for ccsm3 shortwave, set in namelist
albicev = 0.78_dbl_kind ,&! visible ice albedo for h > ahmax
albicei = 0.36_dbl_kind ,&! near-ir ice albedo for h > ahmax
albsnowv = 0.98_dbl_kind ,&! cold snow albedo, visible
albsnowi = 0.70_dbl_kind ,&! cold snow albedo, near IR
ahmax = 0.3_dbl_kind ,&! thickness above which ice albedo is constant (m)
! dEdd tuning parameters, set in namelist
R_ice = c0 ,&! sea ice tuning parameter; +1 > 1sig increase in albedo
R_pnd = c0 ,&! ponded ice tuning parameter; +1 > 1sig increase in albedo
R_snw = c1p5 ,&! snow tuning parameter; +1 > ~.01 change in broadband albedo
dT_mlt = c1p5 ,&! change in temp for non-melt to melt snow grain
! radius change (C)
rsnw_mlt = 1500._dbl_kind,&! maximum melting snow grain radius (10^-6 m)
kalg = 0.60_dbl_kind ! algae absorption coefficient for 0.5 m thick layer
! 0.5 m path of 75 mg Chl a / m2
! weights for albedos
! 4 Jan 2007 BPB Following are appropriate for complete cloud
! in a summer polar atmosphere with 1.5m bare sea ice surface:
! .636/.364 vis/nir with only 0.5% direct for each band.
real (kind=dbl_kind), public :: & ! currently used only
awtvdr = 0.00318_dbl_kind, &! visible, direct ! for history and
awtidr = 0.00182_dbl_kind, &! near IR, direct ! diagnostics
awtvdf = 0.63282_dbl_kind, &! visible, diffuse
awtidf = 0.36218_dbl_kind ! near IR, diffuse
character (len=char_len), public :: &
shortwave = 'dEdd', & ! shortwave method, 'ccsm3' or 'dEdd'
albedo_type = 'ccsm3' ! albedo parameterization, 'ccsm3' or 'constant'
! shortwave='dEdd' overrides this parameter
!-----------------------------------------------------------------------
! Parameters for dynamics, including ridging and strength
!-----------------------------------------------------------------------
integer (kind=int_kind), public :: & ! defined in namelist
kstrength = 1, & ! 0 for simple Hibler (1979) formulation
! 1 for Rothrock (1975) pressure formulation
krdg_partic = 1, & ! 0 for Thorndike et al. (1975) formulation
! 1 for exponential participation function
krdg_redist = 1 ! 0 for Hibler (1980) formulation
! 1 for exponential redistribution function
real (kind=dbl_kind), public :: &
Cf = 17._dbl_kind ,&! ratio of ridging work to PE change in ridging
Pstar = 2.75e4_dbl_kind ,&! constant in Hibler strength formula
! (kstrength = 0)
Cstar = 20._dbl_kind ,&! constant in Hibler strength formula
! (kstrength = 0)
dragio = 0.00536_dbl_kind ,&! ice-ocn drag coefficient
thickness_ocn_layer1 = 2.0_dbl_kind,&! thickness of first ocean level (m)
iceruf_ocn = 0.03_dbl_kind ,&! under-ice roughness (m)
gravit = 9.80616_dbl_kind ,&! gravitational acceleration (m/s^2)
mu_rdg = 3.0_dbl_kind ! e-folding scale of ridged ice, krdg_partic=1 (m^0.5)
! (krdg_redist = 1)
logical (kind=log_kind), public :: &
calc_dragio = .false. ! if true, calculate dragio from iceruf_ocn and thickness_ocn_layer1
!-----------------------------------------------------------------------
! Parameters for atmosphere
!-----------------------------------------------------------------------
real (kind=dbl_kind), public :: &
cp_air = 1005.0_dbl_kind ,&! specific heat of air (J/kg/K)
cp_wv = 1.81e3_dbl_kind ,&! specific heat of water vapor (J/kg/K)
zvir = 0.606_dbl_kind ,&! rh2o/rair - 1.0
zref = 10._dbl_kind ,&! reference height for stability (m)
iceruf = 0.0005_dbl_kind ,&! ice surface roughness (m)
qqqice = 11637800._dbl_kind ,&! for qsat over ice
TTTice = 5897.8_dbl_kind ,&! for qsat over ice
qqqocn = 627572.4_dbl_kind ,&! for qsat over ocn
TTTocn = 5107.4_dbl_kind ! for qsat over ocn
character (len=char_len), public :: &
atmbndy = 'default' ! atmo boundary method, 'default' ('ccsm3') or 'constant'
logical (kind=log_kind), public :: &
calc_strair = .true. , & ! if true, calculate wind stress
formdrag = .false. , & ! if true, calculate form drag
highfreq = .false. ! if true, calculate high frequency coupling
integer (kind=int_kind), public :: &
natmiter = 5 ! number of iterations for atm boundary layer calcs
! Flux convergence tolerance
real (kind=dbl_kind), public :: atmiter_conv = c0
!-----------------------------------------------------------------------
! Parameters for the ice thickness distribution
!-----------------------------------------------------------------------
integer (kind=int_kind), public :: &
kitd = 1 ,&! type of itd conversions
! 0 = delta function
! 1 = linear remap
kcatbound = 1 ! 0 = old category boundary formula
! 1 = new formula giving round numbers
! 2 = WMO standard
! 3 = asymptotic formula
!-----------------------------------------------------------------------
! Parameters for the floe size distribution
!-----------------------------------------------------------------------
integer (kind=int_kind), public :: &
nfreq = 25 ! number of frequencies
real (kind=dbl_kind), public :: &
floeshape = 0.66_dbl_kind ! constant from Steele (unitless)
real (kind=dbl_kind), public :: &
floediam = 300.0_dbl_kind ! effective floe diameter for lateral melt (m)
! Noah Day debug 001 -----------------------------------------------------------
logical (kind=log_kind), public :: &
wave_spec = .true. ! if true, use wave forcing
character (len=char_len), public :: &
wave_spec_type = 'constant' ! 'none', 'constant', or 'random'
! ------------------------------------------------------------------------------
!-----------------------------------------------------------------------
! Parameters for melt ponds
!-----------------------------------------------------------------------
real (kind=dbl_kind), public :: &
hs0 = 0.03_dbl_kind ! snow depth for transition to bare sea ice (m)
! level-ice ponds
character (len=char_len), public :: &
frzpnd = 'cesm' ! pond refreezing parameterization
real (kind=dbl_kind), public :: &
dpscale = c1, & ! alter e-folding time scale for flushing
rfracmin = 0.15_dbl_kind, & ! minimum retained fraction of meltwater
rfracmax = 0.85_dbl_kind, & ! maximum retained fraction of meltwater
pndaspect = 0.8_dbl_kind, & ! ratio of pond depth to area fraction
hs1 = 0.03_dbl_kind ! snow depth for transition to bare pond ice (m)
! topo ponds
real (kind=dbl_kind), public :: &
hp1 = 0.01_dbl_kind ! critical pond lid thickness for topo ponds
!-----------------------------------------------------------------------
! Parameters for biogeochemistry
!-----------------------------------------------------------------------
character(char_len), public :: &
! skl biology parameters
bgc_flux_type = 'Jin2006' ! type of ocean-ice poston velocity (or 'constant')
logical (kind=log_kind), public :: &
z_tracers = .false., & ! if .true., bgc or aerosol tracers are vertically resolved
scale_bgc = .false., & ! if .true., initialize bgc tracers proportionally with salinity
solve_zbgc = .false., & ! if .true., solve vertical biochemistry portion of code
dEdd_algae = .false., & ! if .true., algal absorption of shortwave is computed in the
skl_bgc = .false. ! if true, solve skeletal biochemistry
real (kind=dbl_kind), public :: &
phi_snow = p5 , & ! snow porosity
grid_o = c5 , & ! for bottom flux
initbio_frac = c1 , & ! fraction of ocean trcr concentration in bio trcrs
l_sk = 7.0_dbl_kind , & ! characteristic diffusive scale (m)
grid_oS = c5 , & ! for bottom flux
l_skS = 7.0_dbl_kind , & ! characteristic skeletal layer thickness (m) (zsalinity)
algal_vel = 1.11e-8_dbl_kind, & ! 0.5 cm/d(m/s) Lavoie 2005 1.5 cm/day
R_dFe2dust = 0.035_dbl_kind , & ! g/g (3.5% content) Tagliabue 2009
dustFe_sol = 0.005_dbl_kind , & ! solubility fraction
frazil_scav = c1 , & ! fraction or multiple of bgc concentrated in frazil ice
sk_l = 0.03_dbl_kind , & ! skeletal layer thickness (m)
min_bgc = 0.01_dbl_kind , & ! fraction of ocean bgc concentration in surface melt
T_max = c0 , & ! maximum temperature (C)
fsal = c1 , & ! Salinity limitation (1)
op_dep_min = p1 , & ! light attenuates for optical depths exceeding min
fr_graze_s = p5 , & ! fraction of grazing spilled or slopped
fr_graze_e = p5 , & ! fraction of assimilation excreted
fr_mort2min = p5 , & ! fractionation of mortality to Am
fr_dFe = 0.3_dbl_kind , & ! fraction of remineralized nitrogen
! (in units of algal iron)
k_nitrif = c0 , & ! nitrification rate (1/day)
t_iron_conv = 3065.0_dbl_kind , & ! desorption loss pFe to dFe (day)
max_loss = 0.9_dbl_kind , & ! restrict uptake to % of remaining value
max_dfe_doc1 = 0.2_dbl_kind , & ! max ratio of dFe to saccharides in the ice
! (nM Fe/muM C)
fr_resp = 0.05_dbl_kind , & ! fraction of algal growth lost due to respiration
fr_resp_s = 0.75_dbl_kind , & ! DMSPd fraction of respiration loss as DMSPd
y_sk_DMS = p5 , & ! fraction conversion given high yield
t_sk_conv = 3.0_dbl_kind , & ! Stefels conversion time (d)
t_sk_ox = 10.0_dbl_kind ! DMS oxidation time (d)
!-----------------------------------------------------------------------
! Parameters for shortwave redistribution
!-----------------------------------------------------------------------
logical (kind=log_kind), public :: &
sw_redist = .false.
real (kind=dbl_kind), public :: &
sw_frac = 0.9_dbl_kind , & ! Fraction of internal shortwave moved to surface
sw_dtemp = 0.02_dbl_kind ! temperature difference from melting
!=======================================================================
contains
!=======================================================================
!autodocument_start icepack_init_parameters
! subroutine to set the column package internal parameters
subroutine icepack_init_parameters( &
puny_in, bignum_in, pi_in, secday_in, &
rhos_in, rhoi_in, rhow_in, cp_air_in, emissivity_in, &
cp_ice_in, cp_ocn_in, hfrazilmin_in, floediam_in, &
depressT_in, dragio_in, thickness_ocn_layer1_in, iceruf_ocn_in, albocn_in, gravit_in, viscosity_dyn_in, &
Tocnfrz_in, rhofresh_in, zvir_in, vonkar_in, cp_wv_in, &
stefan_boltzmann_in, ice_ref_salinity_in, &
Tffresh_in, Lsub_in, Lvap_in, Timelt_in, Tsmelt_in, &
iceruf_in, Cf_in, Pstar_in, Cstar_in, kappav_in, &
kice_in, kseaice_in, ksno_in, &
zref_in, hs_min_in, snowpatch_in, rhosi_in, sk_l_in, &
saltmax_in, phi_init_in, min_salin_in, salt_loss_in, &
min_bgc_in, dSin0_frazil_in, hi_ssl_in, hs_ssl_in, &
awtvdr_in, awtidr_in, awtvdf_in, awtidf_in, &
qqqice_in, TTTice_in, qqqocn_in, TTTocn_in, &
ktherm_in, conduct_in, fbot_xfer_type_in, calc_Tsfc_in, dts_b_in, &
update_ocn_f_in, ustar_min_in, a_rapid_mode_in, &
Rac_rapid_mode_in, aspect_rapid_mode_in, &
dSdt_slow_mode_in, phi_c_slow_mode_in, &
phi_i_mushy_in, shortwave_in, albedo_type_in, albsnowi_in, &
albicev_in, albicei_in, albsnowv_in, &
ahmax_in, R_ice_in, R_pnd_in, R_snw_in, dT_mlt_in, rsnw_mlt_in, &
kalg_in, kstrength_in, krdg_partic_in, krdg_redist_in, mu_rdg_in, &
atmbndy_in, calc_strair_in, formdrag_in, highfreq_in, natmiter_in, &
atmiter_conv_in, calc_dragio_in, &
tfrz_option_in, kitd_in, kcatbound_in, hs0_in, frzpnd_in, &
floeshape_in, wave_spec_in, wave_spec_type_in, nfreq_in, &
dpscale_in, rfracmin_in, rfracmax_in, pndaspect_in, hs1_in, hp1_in, &
bgc_flux_type_in, z_tracers_in, scale_bgc_in, solve_zbgc_in, &
modal_aero_in, skl_bgc_in, solve_zsal_in, grid_o_in, l_sk_in, &
initbio_frac_in, grid_oS_in, l_skS_in, dEdd_algae_in, &
phi_snow_in, heat_capacity_in, T_max_in, fsal_in, &
fr_resp_in, algal_vel_in, R_dFe2dust_in, dustFe_sol_in, &
op_dep_min_in, fr_graze_s_in, fr_graze_e_in, fr_mort2min_in, &
fr_dFe_in, k_nitrif_in, t_iron_conv_in, max_loss_in, &
max_dfe_doc1_in, fr_resp_s_in, conserv_check_in, &
y_sk_DMS_in, t_sk_conv_in, t_sk_ox_in, frazil_scav_in, &
sw_redist_in, sw_frac_in, sw_dtemp_in)
!-----------------------------------------------------------------
! parameter constants
!-----------------------------------------------------------------
real (kind=dbl_kind), intent(in), optional :: &
secday_in, & !
puny_in, & !
bignum_in, & !
pi_in !
!-----------------------------------------------------------------
! densities
!-----------------------------------------------------------------
real (kind=dbl_kind), intent(in), optional :: &
rhos_in, & ! density of snow (kg/m^3)
rhoi_in, & ! density of ice (kg/m^3)
rhosi_in, & ! average sea ice density (kg/m2)
rhow_in, & ! density of seawater (kg/m^3)
rhofresh_in ! density of fresh water (kg/m^3)
!-----------------------------------------------------------------------
! Parameters for thermodynamics
!-----------------------------------------------------------------------
real (kind=dbl_kind), intent(in), optional :: &
floediam_in, & ! effective floe diameter for lateral melt (m)
hfrazilmin_in, & ! min thickness of new frazil ice (m)
cp_ice_in, & ! specific heat of fresh ice (J/kg/K)
cp_ocn_in, & ! specific heat of ocn (J/kg/K)
depressT_in, & ! Tf:brine salinity ratio (C/ppt)
viscosity_dyn_in, & ! dynamic viscosity of brine (kg/m/s)
Tocnfrz_in, & ! freezing temp of seawater (C)
Tffresh_in, & ! freezing temp of fresh ice (K)
Lsub_in, & ! latent heat, sublimation freshwater (J/kg)
Lvap_in, & ! latent heat, vaporization freshwater (J/kg)
Timelt_in, & ! melting temperature, ice top surface (C)
Tsmelt_in, & ! melting temperature, snow top surface (C)
ice_ref_salinity_in, & ! (ppt)
kice_in, & ! thermal conductivity of fresh ice(W/m/deg)
kseaice_in, & ! thermal conductivity of sea ice (W/m/deg)
ksno_in, & ! thermal conductivity of snow (W/m/deg)
hs_min_in, & ! min snow thickness for computing zTsn (m)
snowpatch_in, & ! parameter for fractional snow area (m)
saltmax_in, & ! max salinity at ice base for BL99 (ppt)
phi_init_in, & ! initial liquid fraction of frazil
min_salin_in, & ! threshold for brine pocket treatment
salt_loss_in, & ! fraction of salt retained in zsalinity
dSin0_frazil_in ! bulk salinity reduction of newly formed frazil
integer (kind=int_kind), intent(in), optional :: &
ktherm_in ! type of thermodynamics
! 0 = 0-layer approximation
! 1 = Bitz and Lipscomb 1999
! 2 = mushy layer theory
character (char_len), intent(in), optional :: &
conduct_in, & ! 'MU71' or 'bubbly'
fbot_xfer_type_in ! transfer coefficient type for ice-ocean heat flux
logical (kind=log_kind), intent(in), optional :: &
heat_capacity_in, &! if true, ice has nonzero heat capacity
! if false, use zero-layer thermodynamics
calc_Tsfc_in , &! if true, calculate surface temperature
! if false, Tsfc is computed elsewhere and
! atmos-ice fluxes are provided to CICE
update_ocn_f_in ! include fresh water and salt fluxes for frazil
real (kind=dbl_kind), intent(in), optional :: &
dts_b_in, & ! zsalinity timestep
ustar_min_in ! minimum friction velocity for ice-ocean heat flux
! mushy thermo
real(kind=dbl_kind), intent(in), optional :: &
a_rapid_mode_in , & ! channel radius for rapid drainage mode (m)
Rac_rapid_mode_in , & ! critical Rayleigh number for rapid drainage mode
aspect_rapid_mode_in , & ! aspect ratio for rapid drainage mode (larger=wider)
dSdt_slow_mode_in , & ! slow mode drainage strength (m s-1 K-1)
phi_c_slow_mode_in , & ! liquid fraction porosity cutoff for slow mode
phi_i_mushy_in ! liquid fraction of congelation ice
character(len=char_len), intent(in), optional :: &
tfrz_option_in ! form of ocean freezing temperature
! 'minus1p8' = -1.8 C
! 'linear_salt' = -depressT * sss
! 'mushy' conforms with ktherm=2
!-----------------------------------------------------------------------
! Parameters for radiation
!-----------------------------------------------------------------------
real(kind=dbl_kind), intent(in), optional :: &
emissivity_in, & ! emissivity of snow and ice
albocn_in, & ! ocean albedo
vonkar_in, & ! von Karman constant
stefan_boltzmann_in, & ! W/m^2/K^4
kappav_in, & ! vis extnctn coef in ice, wvlngth<700nm (1/m)
hi_ssl_in, & ! ice surface scattering layer thickness (m)
hs_ssl_in, & ! visible, direct
awtvdr_in, & ! visible, direct ! for history and
awtidr_in, & ! near IR, direct ! diagnostics
awtvdf_in, & ! visible, diffuse
awtidf_in ! near IR, diffuse
character (len=char_len), intent(in), optional :: &
shortwave_in, & ! shortwave method, 'ccsm3' or 'dEdd'
albedo_type_in ! albedo parameterization, 'ccsm3' or 'constant'
! shortwave='dEdd' overrides this parameter
! baseline albedos for ccsm3 shortwave, set in namelist
real (kind=dbl_kind), intent(in), optional :: &
albicev_in , & ! visible ice albedo for h > ahmax
albicei_in , & ! near-ir ice albedo for h > ahmax
albsnowv_in , & ! cold snow albedo, visible
albsnowi_in , & ! cold snow albedo, near IR
ahmax_in ! thickness above which ice albedo is constant (m)
! dEdd tuning parameters, set in namelist
real (kind=dbl_kind), intent(in), optional :: &
R_ice_in , & ! sea ice tuning parameter; +1 > 1sig increase in albedo
R_pnd_in , & ! ponded ice tuning parameter; +1 > 1sig increase in albedo
R_snw_in , & ! snow tuning parameter; +1 > ~.01 change in broadband albedo
dT_mlt_in , & ! change in temp for non-melt to melt snow grain
! radius change (C)
rsnw_mlt_in , & ! maximum melting snow grain radius (10^-6 m)
kalg_in ! algae absorption coefficient for 0.5 m thick layer
logical (kind=log_kind), intent(in), optional :: &
sw_redist_in ! redistribute shortwave
real (kind=dbl_kind), intent(in), optional :: &
sw_frac_in , & ! Fraction of internal shortwave moved to surface
sw_dtemp_in ! temperature difference from melting
!-----------------------------------------------------------------------
! Parameters for dynamics
!-----------------------------------------------------------------------
real(kind=dbl_kind), intent(in), optional :: &
Cf_in, & ! ratio of ridging work to PE change in ridging
Pstar_in, & ! constant in Hibler strength formula
Cstar_in, & ! constant in Hibler strength formula
dragio_in, & ! ice-ocn drag coefficient
thickness_ocn_layer1_in, & ! thickness of first ocean level (m)
iceruf_ocn_in, & ! under-ice roughness (m)
gravit_in, & ! gravitational acceleration (m/s^2)
iceruf_in ! ice surface roughness (m)
integer (kind=int_kind), intent(in), optional :: & ! defined in namelist
kstrength_in , & ! 0 for simple Hibler (1979) formulation
! 1 for Rothrock (1975) pressure formulation
krdg_partic_in, & ! 0 for Thorndike et al. (1975) formulation
! 1 for exponential participation function
krdg_redist_in ! 0 for Hibler (1980) formulation
! 1 for exponential redistribution function
real (kind=dbl_kind), intent(in), optional :: &
mu_rdg_in ! gives e-folding scale of ridged ice (m^.5)
! (krdg_redist = 1)
logical (kind=log_kind), intent(in), optional :: &
calc_dragio_in ! if true, calculate dragio from iceruf_ocn and thickness_ocn_layer1
!-----------------------------------------------------------------------
! Parameters for atmosphere
!-----------------------------------------------------------------------
real (kind=dbl_kind), intent(in), optional :: &
cp_air_in, & ! specific heat of air (J/kg/K)
cp_wv_in, & ! specific heat of water vapor (J/kg/K)
zvir_in, & ! rh2o/rair - 1.0
zref_in, & ! reference height for stability (m)
qqqice_in, & ! for qsat over ice
TTTice_in, & ! for qsat over ice
qqqocn_in, & ! for qsat over ocn
TTTocn_in ! for qsat over ocn
character (len=char_len), intent(in), optional :: &
atmbndy_in ! atmo boundary method, 'default' ('ccsm3') or 'constant'
logical (kind=log_kind), intent(in), optional :: &
calc_strair_in, & ! if true, calculate wind stress components
formdrag_in, & ! if true, calculate form drag
highfreq_in ! if true, use high frequency coupling
integer (kind=int_kind), intent(in), optional :: &
natmiter_in ! number of iterations for boundary layer calculations
! Flux convergence tolerance
real (kind=dbl_kind), intent(in), optional :: atmiter_conv_in
!-----------------------------------------------------------------------
! Parameters for the ice thickness distribution
!-----------------------------------------------------------------------
integer (kind=int_kind), intent(in), optional :: &
kitd_in , & ! type of itd conversions
! 0 = delta function
! 1 = linear remap
kcatbound_in ! 0 = old category boundary formula
! 1 = new formula giving round numbers
! 2 = WMO standard
! 3 = asymptotic formula
!-----------------------------------------------------------------------
! Parameters for the floe size distribution
!-----------------------------------------------------------------------
integer (kind=int_kind), intent(in), optional :: &
nfreq_in ! number of frequencies
real (kind=dbl_kind), intent(in), optional :: &
floeshape_in ! constant from Steele (unitless)
logical (kind=log_kind), intent(in), optional :: &
wave_spec_in ! if true, use wave forcing
character (len=char_len), intent(in), optional :: &
wave_spec_type_in ! type of wave spectrum forcing
!-----------------------------------------------------------------------
! Parameters for biogeochemistry
!-----------------------------------------------------------------------
character(char_len), intent(in), optional :: &
bgc_flux_type_in ! type of ocean-ice piston velocity
! 'constant', 'Jin2006'
logical (kind=log_kind), intent(in), optional :: &
z_tracers_in, & ! if .true., bgc or aerosol tracers are vertically resolved
scale_bgc_in, & ! if .true., initialize bgc tracers proportionally with salinity
solve_zbgc_in, & ! if .true., solve vertical biochemistry portion of code
dEdd_algae_in, & ! if .true., algal absorptionof Shortwave is computed in the
modal_aero_in, & ! if .true., use modal aerosol formulation in shortwave
conserv_check_in ! if .true., run conservation checks and abort if checks fail
logical (kind=log_kind), intent(in), optional :: &
skl_bgc_in, & ! if true, solve skeletal biochemistry
solve_zsal_in ! if true, update salinity profile from solve_S_dt
real (kind=dbl_kind), intent(in), optional :: &
grid_o_in , & ! for bottom flux
l_sk_in , & ! characteristic diffusive scale (zsalinity) (m)
initbio_frac_in, & ! fraction of ocean tracer concentration used to initialize tracer
phi_snow_in ! snow porosity at the ice/snow interface
real (kind=dbl_kind), intent(in), optional :: &
grid_oS_in , & ! for bottom flux (zsalinity)
l_skS_in ! 0.02 characteristic skeletal layer thickness (m) (zsalinity)
real (kind=dbl_kind), intent(in), optional :: &
fr_resp_in , & ! fraction of algal growth lost due to respiration
algal_vel_in , & ! 0.5 cm/d(m/s) Lavoie 2005 1.5 cm/day
R_dFe2dust_in , & ! g/g (3.5% content) Tagliabue 2009
dustFe_sol_in , & ! solubility fraction
T_max_in , & ! maximum temperature (C)
fsal_in , & ! Salinity limitation (ppt)
op_dep_min_in , & ! Light attenuates for optical depths exceeding min
fr_graze_s_in , & ! fraction of grazing spilled or slopped
fr_graze_e_in , & ! fraction of assimilation excreted
fr_mort2min_in , & ! fractionation of mortality to Am
fr_dFe_in , & ! fraction of remineralized nitrogen
! (in units of algal iron)
k_nitrif_in , & ! nitrification rate (1/day)
t_iron_conv_in , & ! desorption loss pFe to dFe (day)
max_loss_in , & ! restrict uptake to % of remaining value
max_dfe_doc1_in , & ! max ratio of dFe to saccharides in the ice
! (nM Fe/muM C)
fr_resp_s_in , & ! DMSPd fraction of respiration loss as DMSPd
y_sk_DMS_in , & ! fraction conversion given high yield
t_sk_conv_in , & ! Stefels conversion time (d)
t_sk_ox_in , & ! DMS oxidation time (d)
frazil_scav_in ! scavenging fraction or multiple in frazil ice
real (kind=dbl_kind), intent(in), optional :: &
sk_l_in, & ! skeletal layer thickness (m)
min_bgc_in ! fraction of ocean bgc concentration in surface melt
!-----------------------------------------------------------------------
! Parameters for melt ponds
!-----------------------------------------------------------------------
real (kind=dbl_kind), intent(in), optional :: &
hs0_in ! snow depth for transition to bare sea ice (m)
! level-ice ponds
character (len=char_len), intent(in), optional :: &
frzpnd_in ! pond refreezing parameterization
real (kind=dbl_kind), intent(in), optional :: &
dpscale_in, & ! alter e-folding time scale for flushing
rfracmin_in, & ! minimum retained fraction of meltwater
rfracmax_in, & ! maximum retained fraction of meltwater
pndaspect_in, & ! ratio of pond depth to pond fraction
hs1_in ! tapering parameter for snow on pond ice
! topo ponds
real (kind=dbl_kind), intent(in), optional :: &
hp1_in ! critical parameter for pond ice thickness
!autodocument_end
character(len=*),parameter :: subname='(icepack_init_parameters)'
if (present(rhos_in) ) rhos = rhos_in
if (present(rhoi_in) ) rhoi = rhoi_in
if (present(rhow_in) ) rhow = rhow_in
if (present(cp_air_in) ) cp_air = cp_air_in
if (present(emissivity_in) ) emissivity = emissivity_in
if (present(floediam_in) ) floediam = floediam_in
if (present(hfrazilmin_in) ) hfrazilmin = hfrazilmin_in
if (present(cp_ice_in) ) cp_ice = cp_ice_in
if (present(cp_ocn_in) ) cp_ocn = cp_ocn_in
if (present(depressT_in) ) depressT = depressT_in
if (present(dragio_in) ) dragio = dragio_in
if (present(iceruf_ocn_in) ) iceruf_ocn = iceruf_ocn_in
if (present(thickness_ocn_layer1_in) ) thickness_ocn_layer1 = thickness_ocn_layer1_in
if (present(calc_dragio_in) ) calc_dragio = calc_dragio_in
if (present(albocn_in) ) albocn = albocn_in
if (present(gravit_in) ) gravit = gravit_in
if (present(viscosity_dyn_in) ) viscosity_dyn = viscosity_dyn_in
if (present(Tocnfrz_in) ) Tocnfrz = Tocnfrz_in
if (present(rhofresh_in) ) rhofresh = rhofresh_in
if (present(zvir_in) ) zvir = zvir_in
if (present(vonkar_in) ) vonkar = vonkar_in
if (present(cp_wv_in) ) cp_wv = cp_wv_in
if (present(stefan_boltzmann_in) ) stefan_boltzmann = stefan_boltzmann_in
if (present(Tffresh_in) ) Tffresh = Tffresh_in
if (present(Lsub_in) ) Lsub = Lsub_in
if (present(Lvap_in) ) Lvap = Lvap_in
if (present(Timelt_in) ) Timelt = Timelt_in
if (present(Tsmelt_in) ) Tsmelt = Tsmelt_in
if (present(ice_ref_salinity_in) ) ice_ref_salinity = ice_ref_salinity_in
if (present(iceruf_in) ) iceruf = iceruf_in
if (present(Cf_in) ) Cf = Cf_in
if (present(Pstar_in) ) Pstar = Pstar_in
if (present(Cstar_in) ) Cstar = Cstar_in
if (present(kappav_in) ) kappav = kappav_in
if (present(kice_in) ) kice = kice_in
if (present(kseaice_in) ) kseaice = kseaice_in
if (present(ksno_in) ) ksno = ksno_in
if (present(zref_in) ) zref = zref_in
if (present(hs_min_in) ) hs_min = hs_min_in
if (present(snowpatch_in) ) snowpatch = snowpatch_in
if (present(rhosi_in) ) rhosi = rhosi_in
if (present(sk_l_in) ) sk_l = sk_l_in
if (present(saltmax_in) ) saltmax = saltmax_in
if (present(phi_init_in) ) phi_init = phi_init_in
if (present(min_salin_in) ) min_salin = min_salin_in
if (present(salt_loss_in) ) salt_loss = salt_loss_in
if (present(min_bgc_in) ) min_bgc = min_bgc_in
if (present(dSin0_frazil_in) ) dSin0_frazil = dSin0_frazil_in
if (present(hi_ssl_in) ) hi_ssl = hi_ssl_in
if (present(hs_ssl_in) ) hs_ssl = hs_ssl_in
if (present(awtvdr_in) ) awtvdr = awtvdr_in
if (present(awtidr_in) ) awtidr = awtidr_in
if (present(awtvdf_in) ) awtvdf = awtvdf_in
if (present(awtidf_in) ) awtidf = awtidf_in
if (present(qqqice_in) ) qqqice = qqqice_in
if (present(TTTice_in) ) TTTice = TTTice_in
if (present(qqqocn_in) ) qqqocn = qqqocn_in
if (present(TTTocn_in) ) TTTocn = TTTocn_in
if (present(puny_in) ) puny = puny_in
if (present(bignum_in) ) bignum = bignum_in
if (present(pi_in) ) pi = pi_in
if (present(secday_in) ) secday = secday_in
if (present(ktherm_in) ) ktherm = ktherm_in
if (present(conduct_in) ) conduct = conduct_in
if (present(fbot_xfer_type_in) ) fbot_xfer_type = fbot_xfer_type_in
if (present(heat_capacity_in) ) heat_capacity = heat_capacity_in
if (present(calc_Tsfc_in) ) calc_Tsfc = calc_Tsfc_in
if (present(update_ocn_f_in) ) update_ocn_f = update_ocn_f_in
if (present(dts_b_in) ) dts_b = dts_b_in
if (present(ustar_min_in) ) ustar_min = ustar_min_in
if (present(a_rapid_mode_in) ) a_rapid_mode = a_rapid_mode_in
if (present(Rac_rapid_mode_in) ) Rac_rapid_mode = Rac_rapid_mode_in
if (present(aspect_rapid_mode_in) ) aspect_rapid_mode= aspect_rapid_mode_in
if (present(dSdt_slow_mode_in) ) dSdt_slow_mode = dSdt_slow_mode_in
if (present(phi_c_slow_mode_in) ) phi_c_slow_mode = phi_c_slow_mode_in
if (present(phi_i_mushy_in) ) phi_i_mushy = phi_i_mushy_in
if (present(shortwave_in) ) shortwave = shortwave_in
if (present(albedo_type_in) ) albedo_type = albedo_type_in
if (present(albicev_in) ) albicev = albicev_in
if (present(albicei_in) ) albicei = albicei_in
if (present(albsnowv_in) ) albsnowv = albsnowv_in
if (present(albsnowi_in) ) albsnowi = albsnowi_in
if (present(ahmax_in) ) ahmax = ahmax_in
if (present(R_ice_in) ) R_ice = R_ice_in
if (present(R_pnd_in) ) R_pnd = R_pnd_in
if (present(R_snw_in) ) R_snw = R_snw_in
if (present(dT_mlt_in) ) dT_mlt = dT_mlt_in
if (present(rsnw_mlt_in) ) rsnw_mlt = rsnw_mlt_in
if (present(kalg_in) ) kalg = kalg_in
if (present(kstrength_in) ) kstrength = kstrength_in
if (present(krdg_partic_in) ) krdg_partic = krdg_partic_in
if (present(krdg_redist_in) ) krdg_redist = krdg_redist_in
if (present(mu_rdg_in) ) mu_rdg = mu_rdg_in
if (present(atmbndy_in) ) atmbndy = atmbndy_in
if (present(calc_strair_in) ) calc_strair = calc_strair_in
if (present(formdrag_in) ) formdrag = formdrag_in
if (present(highfreq_in) ) highfreq = highfreq_in
if (present(natmiter_in) ) natmiter = natmiter_in
if (present(atmiter_conv_in) ) atmiter_conv = atmiter_conv_in
if (present(tfrz_option_in) ) tfrz_option = tfrz_option_in
if (present(kitd_in) ) kitd = kitd_in
if (present(kcatbound_in) ) kcatbound = kcatbound_in
if (present(floeshape_in) ) floeshape = floeshape_in
if (present(wave_spec_in) ) wave_spec = wave_spec_in
if (present(wave_spec_type_in) ) wave_spec_type = wave_spec_type_in
if (present(nfreq_in) ) nfreq = nfreq_in
if (present(hs0_in) ) hs0 = hs0_in
if (present(frzpnd_in) ) frzpnd = frzpnd_in
if (present(dpscale_in) ) dpscale = dpscale_in
if (present(rfracmin_in) ) rfracmin = rfracmin_in
if (present(rfracmax_in) ) rfracmax = rfracmax_in
if (present(pndaspect_in) ) pndaspect = pndaspect_in
if (present(hs1_in) ) hs1 = hs1_in
if (present(hp1_in) ) hp1 = hp1_in
if (present(bgc_flux_type_in) ) bgc_flux_type = bgc_flux_type_in
if (present(z_tracers_in) ) z_tracers = z_tracers_in
if (present(scale_bgc_in) ) scale_bgc = scale_bgc_in
if (present(solve_zbgc_in) ) solve_zbgc = solve_zbgc_in
if (present(dEdd_algae_in) ) dEdd_algae = dEdd_algae_in
if (present(modal_aero_in) ) modal_aero = modal_aero_in
if (present(conserv_check_in) ) conserv_check = conserv_check_in
if (present(skl_bgc_in) ) skl_bgc = skl_bgc_in
if (present(solve_zsal_in) ) solve_zsal = solve_zsal_in
if (present(grid_o_in) ) grid_o = grid_o_in
if (present(l_sk_in) ) l_sk = l_sk_in
if (present(initbio_frac_in) ) initbio_frac = initbio_frac_in
if (present(grid_oS_in) ) grid_oS = grid_oS_in
if (present(l_skS_in) ) l_skS = l_skS_in
if (present(phi_snow_in) ) phi_snow = phi_snow_in
if (present(fr_resp_in) ) fr_resp = fr_resp_in
if (present(algal_vel_in) ) algal_vel = algal_vel_in
if (present(R_dFe2dust_in) ) R_dFe2dust = R_dFe2dust_in
if (present(dustFe_sol_in) ) dustFe_sol = dustFe_sol_in
if (present(T_max_in) ) T_max = T_max_in
if (present(fsal_in) ) fsal = fsal_in
if (present(op_dep_min_in) ) op_dep_min = op_dep_min_in
if (present(fr_graze_s_in) ) fr_graze_s = fr_graze_s_in
if (present(fr_graze_e_in) ) fr_graze_e = fr_graze_e_in
if (present(fr_mort2min_in) ) fr_mort2min = fr_mort2min_in
if (present(fr_dFe_in) ) fr_dFe = fr_dFe_in
if (present(k_nitrif_in) ) k_nitrif = k_nitrif_in
if (present(t_iron_conv_in) ) t_iron_conv = t_iron_conv_in
if (present(max_loss_in) ) max_loss = max_loss_in
if (present(max_dfe_doc1_in) ) max_dfe_doc1 = max_dfe_doc1_in
if (present(fr_resp_s_in) ) fr_resp_s = fr_resp_s_in
if (present(y_sk_DMS_in) ) y_sk_DMS = y_sk_DMS_in
if (present(t_sk_conv_in) ) t_sk_conv = t_sk_conv_in
if (present(t_sk_ox_in) ) t_sk_ox = t_sk_ox_in
if (present(frazil_scav_in) ) frazil_scav = frazil_scav_in
if (present(sw_redist_in) ) sw_redist = sw_redist_in
if (present(sw_frac_in) ) sw_frac = sw_frac_in
if (present(sw_dtemp_in) ) sw_dtemp = sw_dtemp_in
call icepack_recompute_constants()
if (icepack_warnings_aborted(subname)) return
end subroutine icepack_init_parameters
!=======================================================================
!autodocument_start icepack_query_parameters
! subroutine to query the column package internal parameters
subroutine icepack_query_parameters( &
puny_out, bignum_out, pi_out, rad_to_deg_out,&
secday_out, c0_out, c1_out, c1p5_out, c2_out, c3_out, c4_out, &
c5_out, c6_out, c8_out, c10_out, c15_out, c16_out, c20_out, &
c25_out, c100_out, c180_out, c1000_out, p001_out, p01_out, p1_out, &
p2_out, p4_out, p5_out, p6_out, p05_out, p15_out, p25_out, p75_out, &
p333_out, p666_out, spval_const_out, pih_out, piq_out, pi2_out, &
rhos_out, rhoi_out, rhow_out, cp_air_out, emissivity_out, &
cp_ice_out, cp_ocn_out, hfrazilmin_out, floediam_out, &
depressT_out, dragio_out, thickness_ocn_layer1_out, iceruf_ocn_out, albocn_out, gravit_out, viscosity_dyn_out, &
Tocnfrz_out, rhofresh_out, zvir_out, vonkar_out, cp_wv_out, &
stefan_boltzmann_out, ice_ref_salinity_out, &
Tffresh_out, Lsub_out, Lvap_out, Timelt_out, Tsmelt_out, &
iceruf_out, Cf_out, Pstar_out, Cstar_out, kappav_out, &
kice_out, kseaice_out, ksno_out, &
zref_out, hs_min_out, snowpatch_out, rhosi_out, sk_l_out, &
saltmax_out, phi_init_out, min_salin_out, salt_loss_out, &
min_bgc_out, dSin0_frazil_out, hi_ssl_out, hs_ssl_out, &
awtvdr_out, awtidr_out, awtvdf_out, awtidf_out, &
qqqice_out, TTTice_out, qqqocn_out, TTTocn_out, update_ocn_f_out, &
Lfresh_out, cprho_out, Cp_out, ustar_min_out, a_rapid_mode_out, &
ktherm_out, conduct_out, fbot_xfer_type_out, calc_Tsfc_out, dts_b_out, &
Rac_rapid_mode_out, aspect_rapid_mode_out, dSdt_slow_mode_out, &
phi_c_slow_mode_out, phi_i_mushy_out, shortwave_out, &
albedo_type_out, albicev_out, albicei_out, albsnowv_out, &
albsnowi_out, ahmax_out, R_ice_out, R_pnd_out, R_snw_out, dT_mlt_out, &
rsnw_mlt_out, dEdd_algae_out, &
kalg_out, kstrength_out, krdg_partic_out, krdg_redist_out, mu_rdg_out, &
atmbndy_out, calc_strair_out, formdrag_out, highfreq_out, natmiter_out, &
atmiter_conv_out, calc_dragio_out, &
tfrz_option_out, kitd_out, kcatbound_out, hs0_out, frzpnd_out, &
floeshape_out, wave_spec_out, wave_spec_type_out, nfreq_out, &
dpscale_out, rfracmin_out, rfracmax_out, pndaspect_out, hs1_out, hp1_out, &
bgc_flux_type_out, z_tracers_out, scale_bgc_out, solve_zbgc_out, &
modal_aero_out, skl_bgc_out, solve_zsal_out, grid_o_out, l_sk_out, &
initbio_frac_out, grid_oS_out, l_skS_out, &
phi_snow_out, heat_capacity_out, conserv_check_out, &
fr_resp_out, algal_vel_out, R_dFe2dust_out, dustFe_sol_out, &
T_max_out, fsal_out, op_dep_min_out, fr_graze_s_out, fr_graze_e_out, &
fr_mort2min_out, fr_resp_s_out, fr_dFe_out, &
k_nitrif_out, t_iron_conv_out, max_loss_out, max_dfe_doc1_out, &
y_sk_DMS_out, t_sk_conv_out, t_sk_ox_out, frazil_scav_out, &
sw_redist_out, sw_frac_out, sw_dtemp_out)
!-----------------------------------------------------------------
! parameter constants
!-----------------------------------------------------------------
real (kind=dbl_kind), intent(out), optional :: &
c0_out, c1_out, c1p5_out, c2_out, c3_out, c4_out, &
c5_out, c6_out, c8_out, c10_out, c15_out, c16_out, c20_out, &
c25_out, c180_out, c100_out, c1000_out, p001_out, p01_out, p1_out, &
p2_out, p4_out, p5_out, p6_out, p05_out, p15_out, p25_out, p75_out, &
p333_out, p666_out, spval_const_out, pih_out, piq_out, pi2_out, &
secday_out, & ! number of seconds per day
puny_out, & ! a small number
bignum_out, & ! a big number
pi_out, & ! pi
rad_to_deg_out, & ! conversion factor from radians to degrees
Lfresh_out, & ! latent heat of melting of fresh ice (J/kg)
cprho_out, & ! for ocean mixed layer (J kg / K m^3)
Cp_out ! proport const for PE
!-----------------------------------------------------------------
! densities
!-----------------------------------------------------------------
real (kind=dbl_kind), intent(out), optional :: &
rhos_out, & ! density of snow (kg/m^3)
rhoi_out, & ! density of ice (kg/m^3)
rhosi_out, & ! average sea ice density (kg/m2)
rhow_out, & ! density of seawater (kg/m^3)
rhofresh_out ! density of fresh water (kg/m^3)
!-----------------------------------------------------------------------
! Parameters for thermodynamics
!-----------------------------------------------------------------------
real (kind=dbl_kind), intent(out), optional :: &
floediam_out, & ! effective floe diameter for lateral melt (m)
hfrazilmin_out, & ! min thickness of new frazil ice (m)
cp_ice_out, & ! specific heat of fresh ice (J/kg/K)
cp_ocn_out, & ! specific heat of ocn (J/kg/K)
depressT_out, & ! Tf:brine salinity ratio (C/ppt)
viscosity_dyn_out, & ! dynamic viscosity of brine (kg/m/s)
Tocnfrz_out, & ! freezing temp of seawater (C)
Tffresh_out, & ! freezing temp of fresh ice (K)
Lsub_out, & ! latent heat, sublimation freshwater (J/kg)
Lvap_out, & ! latent heat, vaporization freshwater (J/kg)
Timelt_out, & ! melting temperature, ice top surface (C)
Tsmelt_out, & ! melting temperature, snow top surface (C)
ice_ref_salinity_out, & ! (ppt)
kice_out, & ! thermal conductivity of fresh ice(W/m/deg)
kseaice_out, & ! thermal conductivity of sea ice (W/m/deg)
ksno_out, & ! thermal conductivity of snow (W/m/deg)
hs_min_out, & ! min snow thickness for computing zTsn (m)
snowpatch_out, & ! parameter for fractional snow area (m)
saltmax_out, & ! max salinity at ice base for BL99 (ppt)
phi_init_out, & ! initial liquid fraction of frazil
min_salin_out, & ! threshold for brine pocket treatment
salt_loss_out, & ! fraction of salt retained in zsalinity
dSin0_frazil_out ! bulk salinity reduction of newly formed frazil
integer (kind=int_kind), intent(out), optional :: &
ktherm_out ! type of thermodynamics
! 0 = 0-layer approximation
! 1 = Bitz and Lipscomb 1999
! 2 = mushy layer theory