SAMSIM
Modules | Variables
mo_parameters.f90 File Reference

Modules

module  mo_parameters
 Module determines physical constants to be used by the SAMSIM Seaice model.
 

Variables

integer, parameter mo_parameters::wp = SELECTED_REAL_KIND(12, 307)
 set working precision _wp More...
 
real, parameter mo_parameters::pi = 3.1415_wp
 
real, parameter mo_parameters::grav = 9.8061_wp
 gravitational constant [m/s^2] More...
 
real(wp), parameter mo_parameters::k_s = 2.2_wp
 solid heat conductivity [J / m s K] 2.2 More...
 
real(wp), parameter mo_parameters::k_l = 0.523_wp
 liquid heat conductivity [J / m s K] 0.523 More...
 
real(wp), parameter mo_parameters::c_s = 2020.0_wp
 solid heat capacity [J/ kg K] More...
 
real(wp), parameter mo_parameters::c_s_beta = 7.6973_wp
 linear solid heat capacity approximation [J/ kg K^2] c_s = c_s+c_s_beta*T More...
 
real(wp), parameter mo_parameters::c_l = 3400._wp
 liquid heat capacity [J/ kg K] More...
 
real(wp), parameter mo_parameters::rho_s = 920._wp
 density of solid [kg / m^3] More...
 
real(wp), parameter mo_parameters::rho_l = 1028.0_wp
 density of liquid [kg / m^3] More...
 
real(wp), parameter mo_parameters::latent_heat = 333500._wp
 latent heat release [J/kg] More...
 
real(wp), parameter mo_parameters::zerok = 273.15_wp
 Zero degrees Celsius in Kelvin [K]. More...
 
real(wp), parameter mo_parameters::bbeta = 0.8_wp*1e-3
 concentration expansion coefficient [kg / (m^3 ppt)] More...
 
real(wp), parameter mo_parameters::mu = 2.55_wp*1e-3
 dynamic viscosity [kg /m s] More...
 
real(wp), parameter mo_parameters::kappa_l = k_l/rho_l/c_l
 heat diffusivity of water More...
 
real(wp), parameter mo_parameters::sigma = 5.6704_wp*1e-8
 Stefan Boltzmann constant [W/(m^2*K^4)]. More...
 
real(wp), parameter mo_parameters::psi_s_min = 0.05_wp
 The amount of ice that the lowest layer can have before it counts as an ice layer. More...
 
real(wp), parameter mo_parameters::neg_free = -0.05_wp
 The distance the freeboard can be below 0 before water starts flooding through cracks. More...
 
real(wp), parameter mo_parameters::x_grav = 0.000584_wp
 
real(wp), parameter mo_parameters::ray_crit = 4.89_wp
 
real(wp), parameter mo_parameters::para_flush_horiz = 1.0_wp
 determines relationship of horizontal flow distance in during flushing (guess 1) More...
 
real(wp), parameter mo_parameters::para_flush_gamma = 0.9_wp
 Strength of desalination per timestep (guess) More...
 
real(wp), parameter mo_parameters::psi_s_top_min = 0.40_wp
 if psi_s is below this value meltwater forms (guess) 0.4 More...
 
real(wp), parameter mo_parameters::ratio_flood = 1.50_wp
 Ratio of flooded to dissolve snow, plays an important role in subroutine flood. More...
 
real(wp), parameter mo_parameters::ref_salinity = 34._wp
 Reference salinity [g/kg] used to calculate freshwater column. More...
 
real(wp), parameter mo_parameters::rho_snow = 330._wp
 density of new snow [kg/m**3], !< Niels, 2017 add: can be adjusted to lab values if they are measured More...
 
real(wp), parameter mo_parameters::gas_snow_ice = 0.10_wp
 volume of gas percentage in new snow ice due to flooding, no longer used More...
 
real(wp), parameter mo_parameters::gas_snow_ice2 = 0.20_wp
 volume of gas percentage in new snow ice due to snow melting (Eicken 95) More...
 
real(wp), parameter mo_parameters::emissivity_ice = 0.95_wp
 Emissivity of water and ice. More...
 
real(wp), parameter mo_parameters::emissivity_snow = 1.00_wp
 Emissivity of Snow. More...
 
real(wp), parameter mo_parameters::penetr = 0.30_wp
 Amount of penetrating sw radiation. More...
 
real(wp), parameter mo_parameters::extinc = 2.00_wp
 Extinction coefficient of ice. More...
 
real(wp), parameter mo_parameters::turb_a = 0.1_wp*0.05_wp*rho_l/86400._wp
 Standard turbulence [kg/s] WARNING no source, just set so that 5cm of water are overturned each day. More...
 
real(wp), parameter mo_parameters::turb_b = 0.05_wp
 Exponential turbulence slope [m**3/kg] WARNING no source, simple guess. More...
 
real(wp) mo_parameters::max_flux_plate = 50.0
 Maximal heating rate of a heating plate. More...
 
real(wp) mo_parameters::k_snow_flush = 0.75_wp
 Niels, 2017 add: Percentage of excess liquid water content in the snow that is used for flushing instead of forming slush. More...
 
real(wp) mo_parameters::k_styropor = 0.8_wp
 Niels, 2017 add: heat conduction of styropor (empirical value to fit measurement data) More...