Difference between revisions of "Advanced Topics Mars PEM"

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== Generic physic PEM ==
 
  
== Choices of parameters (run_PEM.def) ==
 
  
Parameters of the PEM run can be specified in run_PEM.def. This file is included at the end of the run.def. For now, these are the possible parameters:
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[[Category:Planetary-Evolution-Model]]
 
 
 
 
 
 
'''General parameters for the run '''
 
 
 
* evol_orbit_pem: [Boolean] Do you want to follow an orbital forcing predefined (read in ob_ex_lsp.asc for example)? (default=false)
 
** If evol_orbit_pem is set to true, year_bp_ini needs to be specified
 
** year_bp_ini: [Integer] Number of (Earth) year before present to start the pem run if evol_orbit_pem=.true. , default=0
 
** var_obl: [Boolean] Do you want to vary the obliquity when following ob_ex_lsp.asc? Default =.true.
 
** var_ex: [Boolean] Do you want to vary the excenticity when following ob_ex_lsp.asc? Default =.true.
 
** var_lsp: [Boolean] Do you want to vary the ls perihelie when following ob_ex_lsp.asc? Default =.true.
 
* Max_iter_pem: [Integer] Maximal number of iteration if none of the stopping criterion is reached and if evol_orbit_pem=.false., default=99999999
 
* dt_pem: [Integer] Time step of the PEM in year, default=1
 
* ice_criterion: [Real] Acceptance rate of sublimating ice surface change, default=0.2
 
* ps_criterion: [Real] Acceptance rate of pressure surface change, default=0.15
 
 
 
'''Subsurface'''
 
 
 
* soil_pem: [Boolean]. Do you want to run with subsurface physical processes in the PEM? default=.true.
 
* adsorption_pem: [Boolean]. Do you want to run with adsoprtion in the PEM? default=.true.
 
* reg_thprop_dependp: [Boolean]. Do you want to modify the soil thermal properties with the pressure ? default=.false.
 
''Layering:''
 
* fluxgeo: [Real]. Value of the geothermal flux? default= 0.
 
* depth_breccia: [Real]. Depth at which the breccia layer begins? default= 50 m
 
* depth_bedrock: [Real]. Depth at which the bedrock layer begins? default= 1000 m
 
 
 
''' Reservoirs '''
 
* water_reservoir_nom: [Real]. Value of the available water in the subsurface. default =1e4 in kg/m^2
 

Latest revision as of 19:08, 26 February 2026