rho_ice 910[kg/m^3] "Density of ice" mu_ice 5e12[Pa*s] "Dynamic viscosity of ice" LSlip 50[m] "Slip length" T_init -10[degC] "Initial temperature" betaCC 9.8e-8[K/Pa] "Clapeyron constant" n_ice 3 "Rheological exponent for ice" T_tp 0.01[degC] "Temperature at triple point of water" p_tp 611.657[Pa] "Pressure at triple point of water" q_geo 120[mW/m^2] "Geothermal heat flux"