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solvers:surfaceboundaryenthalpy [2020/05/15 13:44] adriengilbert |
solvers:surfaceboundaryenthalpy [2020/05/15 15:48] adriengilbert |
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| * **Solver Fortran File:** '' | * **Solver Fortran File:** '' | ||
| - | * **Solver Name:** '' | + | * **Solver Name:** '' |
| * **Required Output Variable(s): | * **Required Output Variable(s): | ||
| * **Required Input Variable(s): | * **Required Input Variable(s): | ||
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| ==== General Description ==== | ==== General Description ==== | ||
| - | SurfBoundarySolver | + | SurfEnthBoundarySolver |
| The solver uses the provided air temperature (and precipitation) daily record to compute the associated mean surface characteristic of the glacier over the time period covered by the provided data time-serie. It outputs the following variables: | The solver uses the provided air temperature (and precipitation) daily record to compute the associated mean surface characteristic of the glacier over the time period covered by the provided data time-serie. It outputs the following variables: | ||
| Line 35: | Line 35: | ||
| ==== SIF contents ==== | ==== SIF contents ==== | ||
| + | |||
| + | The parameters are set in the constant section of the sif file : | ||
| + | |||
| + | < | ||
| + | Constants | ||
| + | |||
| + | rho_surf = real 350.0 ! Snow surface density | ||
| + | rho_ice = real 917.0 ! Ice density | ||
| + | rho_w = real 1000.0 ! Water density | ||
| + | Sr = real 0.005 ! Residual water saturation in Snow/Firn | ||
| + | T_ref_enthalpy = real 200.0 ! Use to compute Surf Enth (see Enthalpy solver) | ||
| + | L_heat = real 334000.0 | ||
| + | |||
| + | AirTemperatureFile = File " | ||
| + | PrecipFile = File " | ||
| + | | ||
| + | Precip = real 0.300 !Mean annual precipitation if PrecipFile not provided | ||
| + | TempCorrec= real -0.12 !Possibility of shifting temperature to get steady state mass balance for example (optional) | ||
| + | PrecipCorrec = real 1.0 !Possibility of adding a correcting factor on precipitation if PrecipFile provided (optional) | ||
| + | | ||
| + | GradTemp = real 0.0065 !Air temperature Lapse Rate (K m^-1) | ||
| + | GradPrecip= real 0.001 !Precipitation Lapse Rate (% m^-1) | ||
| + | z_temp = real 5310.0 !Elevation of temperature measurement from AirTemperatureFile (m) | ||
| + | z_precip = real 5310.0 !Elevation of Precipitation measurement (m) | ||
| + | | ||
| + | RadFact_ice = real 0.0000925 ! Melting factor for ice from radiation | ||
| + | RadFact_snow = real $0.0000925/ | ||
| + | Deg_jour = real 0.0114 ! Melting factor from air temperature | ||
| + | | ||
| + | seuil_precip = real 2.0 !Rain/ | ||
| + | seuil_fonte = real 0.0 !Melting air temperature threshold (degree C) | ||
| + | | ||
| + | firn_param = real 30.0 ! Firn densification factor (yr) | ||
| + | super_ice = real 0.15 ! Superimposed ice factor | ||
| + | | ||
| + | Latitude = real 28.82 !Latitude (degree) to compute Potential Solar Radiation | ||
| + | | ||
| + | !Possibility to export 1D profile simulation at one node of coordinate (X_output1D, | ||
| + | X_output1D = real x_coordinate | ||
| + | Y_output1D = real y_coordinate | ||
| + | | ||
| + | |||
| + | End | ||
| + | </ | ||
| The solver needs output from the FlowDepth Solver : | The solver needs output from the FlowDepth Solver : | ||
| Line 61: | Line 105: | ||
| Equation = SurfBoundary | Equation = SurfBoundary | ||
| - | Variable = Mass Balance | + | Variable = Surf Enth |
| Variable DOFs = 1 | Variable DOFs = 1 | ||
| - | procedure = " | + | procedure = " |
| - | Exported Variable 1 = String "Surf Enth" | + | Exported Variable 1 = String "Mass Balance" |
| Exported Variable 1 DOFs = 1 | Exported Variable 1 DOFs = 1 | ||
| Line 109: | Line 153: | ||
| ==== Examples ==== | ==== Examples ==== | ||
| - | An example solving for the enthalpy within the Rika Samba Glacier using the SurfBoundarySolver | + | An example solving for the enthalpy within the Rika Samba Glacier using the SurfEnthBoundarySolver |
| ==== Reference ==== | ==== Reference ==== | ||
