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• Model:TopoFlow-Evaporation-Energy Balance  + (The input variables for the Energy Balance … The input variables for the Energy Balance method of estimating losses due to evaporation are defined as follows:</br> Q_SW = net shortwave radiation (W / m^2)</br> Q_LW = net longwave radiation (W / m^2)</br> T_air = air temperature (deg C)</br> T_surf = surface (snow) temperature (deg C)</br> T_soil_x = soil temperature at depth x (deg C)</br> x = reference depth in soil (m)</br> K_soil = thermal conductivity of soil (W / (m deg_C))</br> u_z = wind velocity at height z (m / s)</br> z = reference height for wind (m) (above land surface)</br> z_0 = surface roughness height (m) (with no snow)</br> h0_snow = initial snow depth (m)</br> ρ_air = density of the air (kg / m^3)</br> c_air = specific heat capacity of air (J / (kg deg_C))</br> L_v = latent heat of vaporization, water (J / kg) (2500000)</br> g = gravitational constant, Earth = 9.81 (m / s^2)</br> κ = von Karman's constant = 0.41 (unitless) </br></br>The behavior of this component is controlled with a configuration (CFG) file, which may point to other files that contain input data. Here is a sample configuration (CFG) file for this component:</br> Method code: 2</br> Method name: Energy_Balance</br> Time step: Scalar 3600.00000000 (sec)</br> alpha: Scalar 1.20000000 (none)</br> K_soil: Scalar 0.44999999 (W/m/deg_C)</br> soil_x: Scalar 0.05000000 (m)</br> T_soil_x: Scalar 0.00000000 (deg C)</br> Save grid timestep: Scalar 60.00000000 (sec)</br> Save er grids: 0 Case5_2D-ETrate.rts (m/s)</br> Save pixels timestep: Scalar 60.00000000 (sec)</br> Save er pixels: 0 Case5_0D-ETrate.txt (m/s) Case5_0D-ETrate.txt (m/s))

• Model:TopoFlow-Evaporation-Energy Balance  +