source: trunk/LMDZ.COMMON/libf/evolution/pem.F90 @ 3296

Last change on this file since 3296 was 3287, checked in by jbclement, 8 months ago

PEM:

  • Small correction to make the 3D PEM be able to compile.
  • Improvement of "launch_pem.sh": a file "kill_launch_pem.sh" is now automatically created which allows the user to kill the process of the launching script in case.

JBC

File size: 55.5 KB
RevLine 
[2779]1!------------------------
[3028]2! I   Initialization
[3161]3!    I_a Read the "run.def"
4!    I_b Read the "start_evol.nc" and "startfi_evol.nc"
[2835]5!    I_c Subslope parametrisation
[3161]6!    I_d Read the PCM data and convert them to the physical grid
[3028]7!    I_e Initialization of the PEM variable and soil
[3143]8!    I_f Compute tendencies
[2835]9!    I_g Save initial PCM situation
[3161]10!    I_h Read the "startpem.nc"
[2835]11!    I_i Compute orbit criterion
[2779]12
13! II  Run
[3028]14!    II_a Update pressure, ice and tracers
[3149]15!    II_b Evolution of ice
16!    II_c Flow of glaciers
[2835]17!    II_d Update surface and soil temperatures
[3088]18!    II_e Outputs
19!    II_f Update the tendencies
20!    II_g Checking the stopping criterion
[2779]21
22! III Output
[2835]23!    III_a Update surface value for the PCM start files
[3161]24!    III_b Write the "restart_evol.nc" and "restartfi_evol.nc"
25!    III_c Write the "restartpem.nc"
[2779]26!------------------------
27
28PROGRAM pem
29
[3161]30use phyetat0_mod,               only: phyetat0
31use phyredem,                   only: physdem0, physdem1
32use netcdf,                     only: nf90_open, NF90_NOWRITE, nf90_get_var, nf90_inq_varid, nf90_close
33use turb_mod,                   only: q2, wstar
[3206]34use comslope_mod,               only: nslope, def_slope, def_slope_mean, subslope_dist, iflat, ini_comslope_h
[3161]35use logic_mod,                  only: iflag_phys
36use mod_const_mpi,              only: COMM_LMDZ
[3028]37use infotrac
[3161]38use geometry_mod,               only: latitude_deg
39use conf_pem_mod,               only: conf_pem
40use pemredem,                   only: pemdem0, pemdem1
41use glaciers_mod,               only: flow_co2glaciers, flow_h2oglaciers, co2ice_flow, h2oice_flow, inf_h2oice_threshold, &
42                                      metam_h2oice_threshold, metam_co2ice_threshold, metam_h2oice, metam_co2ice
43use stopping_crit_mod,          only: stopping_crit_h2o_ice, stopping_crit_co2
44use constants_marspem_mod,      only: alpha_clap_co2, beta_clap_co2, alpha_clap_h2o, beta_clap_h2o, m_co2, m_noco2
45use evol_ice_mod,               only: evol_co2_ice, evol_h2o_ice
46use comsoil_h_PEM,              only: soil_pem, ini_comsoil_h_PEM, end_comsoil_h_PEM, nsoilmx_PEM, &
[3206]47                                      TI_PEM,                           & ! soil thermal inertia
48                                      tsoil_PEM, layer_PEM, & ! Soil temp, number of subsurface layers, soil mid layer depths
[3161]49                                      fluxgeo                             ! Geothermal flux for the PEM and PCM
50use adsorption_mod,             only: regolith_adsorption, adsorption_pem,        & ! Bool to check if adsorption, main subroutine
51                                      ini_adsorption_h_PEM, end_adsorption_h_PEM, & ! Allocate arrays
52                                      co2_adsorbded_phys, h2o_adsorbded_phys        ! Mass of co2 and h2O adsorbded
53use time_evol_mod,              only: dt_pem, evol_orbit_pem, Max_iter_pem, convert_years, year_bp_ini
54use orbit_param_criterion_mod,  only: orbit_param_criterion
55use recomp_orb_param_mod,       only: recomp_orb_param
56use ice_table_mod,              only: porefillingice_depth, porefillingice_thickness, end_ice_table_porefilling, &
[3170]57                                      ini_ice_table_porefilling, icetable_equilibrium, computeice_table_equilibrium,compute_massh2o_exchange_ssi
[3161]58use soil_thermalproperties_mod, only: update_soil_thermalproperties
[3206]59use time_phylmdz_mod,           only: daysec, dtphys
[3161]60use abort_pem_mod,              only: abort_pem
61use soil_settings_PEM_mod,      only: soil_settings_PEM
62use compute_tend_mod,           only: compute_tend
63use info_PEM_mod,               only: info_PEM
64use interpol_TI_PEM2PCM_mod,    only: interpol_TI_PEM2PCM
65use nb_time_step_PCM_mod,       only: nb_time_step_PCM
66use pemetat0_mod,               only: pemetat0
67use read_data_PCM_mod,          only: read_data_PCM
68use recomp_tend_co2_slope_mod,  only: recomp_tend_co2_slope
[3178]69use compute_soiltemp_mod,       only: compute_tsoil_pem
[3181]70use writediagpem_mod,           only: writediagpem, writediagsoilpem
[3207]71use co2condens_mod,             only: CO2cond_ps
[2985]72
[2842]73#ifndef CPP_STD
[3206]74    use comsoil_h,          only: tsoil, nsoilmx, ini_comsoil_h, inertiedat, mlayer, inertiesoil, flux_geo, nqsoil, qsoil
[3028]75    use surfdat_h,          only: tsurf, emis, qsurf, watercap, ini_surfdat_h, &
76                                  albedodat, zmea, zstd, zsig, zgam, zthe,     &
[3206]77                                  albedo_h2o_frost,frost_albedo_threshold,     &
78                                  emissiv, watercaptag, perennial_co2ice, emisice, albedice
[3028]79    use dimradmars_mod,     only: totcloudfrac, albedo
80    use dust_param_mod,     only: tauscaling
[3149]81    use tracer_mod,         only: noms, igcm_h2o_ice, igcm_co2, mmol, igcm_h2o_vap ! Tracer names and molar masses
[3028]82    use mod_phys_lmdz_para, only: is_parallel, is_sequential, is_mpi_root, is_omp_root, is_master
[3096]83    use planete_h,          only: aphelie, periheli, year_day, peri_day, obliquit, iniorbit
[3287]84    use comcstfi_h,         only: pi, rad, g, cpp, mugaz, r
[3143]85    use surfini_mod,        only: surfini
[2842]86#else
[3028]87    use tracer_h,           only: noms, igcm_h2o_ice, igcm_co2 ! Tracer names
88    use phys_state_var_mod, only: cloudfrac, totcloudfrac, albedo_snow_SPECTV,HICE,RNAT,   &
89                                  PCTSRF_SIC, TSLAB, TSEA_ICE, SEA_ICE, ALBEDO_BAREGROUND, &
90                                  ALBEDO_CO2_ICE_SPECTV, phys_state_var_init
[3039]91    use aerosol_mod,        only: iniaerosol
92    use planete_mod,        only: apoastr, periastr, year_day, peri_day, obliquit
[3287]93    use comcstfi_mod,       only: pi, rad, g, cpp, mugaz, r
[2842]94#endif
[2985]95
[3028]96#ifndef CPP_1D
[3076]97    use iniphysiq_mod,            only: iniphysiq
98    use control_mod,              only: iphysiq, day_step, nsplit_phys
[3019]99#else
[3076]100    use time_phylmdz_mod,         only: iphysiq, day_step
[3028]101    use regular_lonlat_mod,       only: init_regular_lonlat
102    use physics_distribution_mod, only: init_physics_distribution
103    use mod_grid_phy_lmdz,        only: regular_lonlat
[3065]104    use init_testphys1d_mod,      only: init_testphys1d
105    use comvert_mod,              only: ap, bp
[3076]106    use writerestart1D_mod,       only: writerestart1D
[2980]107#endif
[2835]108
[3076]109implicit none
[2980]110
[3028]111include "dimensions.h"
112include "paramet.h"
113include "comgeom.h"
114include "iniprint.h"
[3039]115include "callkeys.h"
[2779]116
[3028]117integer ngridmx
118parameter(ngridmx = 2 + (jjm - 1)*iim - 1/jjm)
[2794]119
[3096]120! Same variable names as in the PCM
[3065]121integer, parameter :: nlayer = llm ! Number of vertical layer
122integer            :: ngrid        ! Number of physical grid points
123integer            :: nq           ! Number of tracer
124integer            :: day_ini      ! First day of the simulation
125real               :: pday         ! Physical day
[3149]126real               :: time_phys    ! Same as in PCM
127real               :: ptimestep    ! Same as in PCM
128real               :: ztime_fin    ! Same as in PCM
[2794]129
[3028]130! Variables to read start.nc
[3143]131character(*), parameter :: start_name = "start_evol.nc" ! Name of the file used to initialize the PEM
[2779]132
[3028]133! Dynamic variables
[3065]134real, dimension(ip1jm,llm)          :: vcov          ! vents covariants
135real, dimension(ip1jmp1,llm)        :: ucov          ! vents covariants
136real, dimension(ip1jmp1,llm)        :: teta          ! temperature potentielle
137real, dimension(:,:,:), allocatable :: q             ! champs advectes
[3143]138real, dimension(ip1jmp1)            :: ps            ! pression au sol
[3149]139real, dimension(:),     allocatable :: ps_start_PCM  ! (ngrid) surface pressure
140real, dimension(:,:),   allocatable :: ps_timeseries ! (ngrid x timelen) instantaneous surface pressure
[3065]141real, dimension(ip1jmp1,llm)        :: masse         ! masse d'air
142real, dimension(ip1jmp1)            :: phis          ! geopotentiel au sol
[3028]143real                                :: time_0
[2779]144
[3028]145! Variables to read starfi.nc
[3143]146character(*), parameter :: startfi_name = "startfi_evol.nc" ! Name of the file used to initialize the PEM
147character(2)            :: str2
[3206]148integer                 :: ncid, status                           ! Variable for handling opening of files
149integer                 :: lonvarid, latvarid, areavarid, sdvarid ! Variable ID for Netcdf files
150integer                 :: apvarid, bpvarid                       ! Variable ID for Netcdf files
[2794]151
[3028]152! Variables to read starfi.nc and write restartfi.nc
[3143]153real, dimension(:), allocatable :: longitude     ! Longitude read in startfi_name and written in restartfi
154real, dimension(:), allocatable :: latitude      ! Latitude read in startfi_name and written in restartfi
155real, dimension(:), allocatable :: cell_area     ! Cell_area read in startfi_name and written in restartfi
[3028]156real                            :: Total_surface ! Total surface of the planet
[2897]157
[3028]158! Variables for h2o_ice evolution
[3149]159real, dimension(:,:),   allocatable :: h2o_ice              ! h2o ice in the PEM
160real, dimension(:,:,:), allocatable :: min_h2o_ice          ! Minima of h2o ice at each point for the PCM years [kg/m^2]
161real                                :: h2o_surf_ini         ! Initial surface of sublimating h2o ice
162real                                :: global_avg_press_PCM ! constant: global average pressure retrieved in the PCM [Pa]
163real                                :: global_avg_press_old ! constant: Global average pressure of initial/previous time step
164real                                :: global_avg_press_new ! constant: Global average pressure of current time step
165real, dimension(:,:),   allocatable :: zplev_new            ! Physical x Atmospheric field: mass of the atmospheric  layers in the pem at current time step [kg/m^2]
166real, dimension(:,:),   allocatable :: zplev_PCM            ! same but retrieved from the PCM [kg/m^2]
[3065]167real, dimension(:,:,:), allocatable :: zplev_new_timeseries ! Physical x Atmospheric x Time: same as zplev_new, but in times series [kg/m ^2]
168real, dimension(:,:,:), allocatable :: zplev_old_timeseries ! same but with the time series, for oldest time step
[3149]169integer                             :: stopPEM              ! which criterion is reached? 0 = no stopping; 1 = h2o ice surf; 2 = no h2o ice; 3 = co2 ice surf; 4 = ps; 5 = orb param; 6 = end of simu
[3068]170real, save                          :: A, B, mmean          ! Molar mass: intermediate A, B for computations of the  mean molar mass of the layer [mol/kg]
[3096]171real, dimension(:,:),   allocatable :: q_h2o_PEM_phys       ! Physics x Times: h2o mass mixing ratio computed in the PEM, first value comes from PCM [kg/kg]
[3065]172integer                             :: timelen              ! # time samples
173real                                :: ave                  ! intermediate varibale to compute average
174real, dimension(:,:),   allocatable :: p                    ! Physics x Atmosphere: pressure to recompute and write in restart (ngrid,llmp1)
175real                                :: extra_mass           ! Intermediate variables Extra mass of a tracer if it is greater than 1
[2779]176
[3130]177! Variables for co2_ice evolution
[3149]178real, dimension(:,:),   allocatable :: co2_ice          ! co2 ice in the PEM
179real, dimension(:,:),   allocatable :: co2_ice_ini      ! Initial amount of co2 ice in the PEM
180real, dimension(:,:,:), allocatable :: min_co2_ice      ! Minimum of co2 ice at each point for the first year [kg/m^2]
181real                                :: co2_surf_ini     ! Initial surface of sublimating co2 ice
182real, dimension(:,:),   allocatable :: vmr_co2_PCM      ! Physics x Times co2 volume mixing ratio retrieve from the PCM [m^3/m^3]
183real, dimension(:,:),   allocatable :: vmr_co2_PEM_phys ! Physics x Times co2 volume mixing ratio used in the PEM
184real, dimension(:,:),   allocatable :: q_co2_PEM_phys   ! Physics x Times co2 mass mixing ratio in the first layer computed in the PEM, first value comes from PCM [kg/kg]
[3130]185
[3028]186! Variables for slopes
[3149]187real, dimension(:,:,:), allocatable :: co2_ice_PCM        ! Physics x NSLOPE x Times field: co2 ice given by the PCM [kg/m^2]
188real, dimension(:,:),   allocatable :: tend_co2_ice       ! physical point x slope field: Tendency of evolution of perennial co2 ice over a year
189real, dimension(:,:),   allocatable :: tend_co2_ice_ini   ! physical point x slope field x nslope: Tendency of evolution of perennial co2 ice over a year in the PCM
190real, dimension(:,:),   allocatable :: tend_h2o_ice       ! physical point x slope  field: Tendency of evolution of perennial h2o ice
191real, dimension(:,:),   allocatable :: flag_co2flow       ! (ngrid,nslope): Flag where there is a CO2 glacier flow
192real, dimension(:),     allocatable :: flag_co2flow_mesh  ! (ngrid)       : Flag where there is a CO2 glacier flow
193real, dimension(:,:),   allocatable :: flag_h2oflow       ! (ngrid,nslope): Flag where there is a H2O glacier flow
194real, dimension(:),     allocatable :: flag_h2oflow_mesh  ! (ngrid)       : Flag where there is a H2O glacier flow
[2779]195
[3028]196! Variables for surface and soil
[3149]197real, dimension(:,:),     allocatable :: tsurf_ave                          ! Physic x SLOPE field: Averaged Surface Temperature [K]
198real, dimension(:,:,:),   allocatable :: tsoil_ave                          ! Physic x SOIL x SLOPE field: Averaged Soil Temperature [K]
[3189]199real, dimension(:,:,:),   allocatable :: tsoil_anom                         ! Amplitude between instataneous and yearly average soil temperature [K]
[3149]200real, dimension(:,:,:),   allocatable :: tsurf_PCM_timeseries               ! ngrid x SLOPE XTULES field: Surface Temperature in timeseries [K]
201real, dimension(:,:,:,:), allocatable :: tsoil_phys_PEM_timeseries          ! IG x SLOPE XTULES field: Non averaged Soil Temperature [K]
202real, dimension(:,:,:,:), allocatable :: tsoil_PCM_timeseries               ! IG x SLOPE XTULES field: Non averaged Soil Temperature [K]
203real, dimension(:,:),     allocatable :: tsurf_avg_yr1                      ! Physic x SLOPE field: Averaged Surface Temperature of first call of the PCM [K]
[3065]204real, dimension(:,:),     allocatable :: TI_locslope                        ! Physic x Soil: Intermediate thermal inertia  to compute Tsoil [SI]
205real, dimension(:,:),     allocatable :: Tsoil_locslope                     ! Physic x Soil: intermediate when computing Tsoil [K]
[3149]206real, dimension(:),       allocatable :: Tsurf_locslope                     ! Physic x Soil: Intermediate surface temperature to compute Tsoil [K]
[3065]207real, dimension(:,:,:,:), allocatable :: watersoil_density_timeseries       ! Physic x Soil x Slope x Times water soil density, time series [kg /m^3]
208real, dimension(:,:),     allocatable :: watersurf_density_ave              ! Physic x Slope, water surface density, yearly averaged [kg/m^3]
209real, dimension(:,:,:,:), allocatable :: watersoil_density_PEM_timeseries   ! Physic x Soil x Slope x Times, water soil density, time series [kg/m^3]
210real, dimension(:,:,:),   allocatable :: watersoil_density_PEM_ave          ! Physic x Soil x SLopes, water soil density, yearly averaged [kg/m^3]
[3149]211real, dimension(:,:),     allocatable :: Tsurfavg_before_saved              ! Surface temperature saved from previous time step [K]
[3065]212real, dimension(:),       allocatable :: delta_co2_adsorbded                ! Physics: quantity of CO2 that is exchanged because of adsorption / desorption [kg/m^2]
213real, dimension(:),       allocatable :: delta_h2o_adsorbded                ! Physics: quantity of H2O that is exchanged because of adsorption / desorption [kg/m^2]
214real                                  :: totmassco2_adsorbded               ! Total mass of CO2 that is exchanged because of adsorption / desoprtion over the planets [kg]
215real                                  :: totmassh2o_adsorbded               ! Total mass of H2O that is exchanged because of adsorption / desoprtion over the planets [kg]
216logical                               :: bool_sublim                        ! logical to check if there is sublimation or not
217real, dimension(:,:),     allocatable :: porefillingice_thickness_prev_iter ! ngrid x nslope: Thickness of the ice table at the previous iteration [m]
[3181]218real, dimension(:),       allocatable :: delta_h2o_icetablesublim           ! ngrid x Total mass of the H2O that has sublimated / condenses from the ice table [kg]
[3065]219
[3028]220! Some variables for the PEM run
221real, parameter :: year_step = 1 ! timestep for the pem
222integer         :: year_iter     ! number of iteration
223integer         :: year_iter_max ! maximum number of iterations before stopping
[3039]224integer         :: i_myear       ! Global number of Martian years of the chained simulations
225integer         :: n_myear       ! Maximum number of Martian years of the chained simulations
[3028]226real            :: timestep      ! timestep [s]
[2779]227
[2842]228#ifdef CPP_STD
[3065]229    real                                :: frost_albedo_threshold = 0.05 ! frost albedo threeshold to convert fresh frost to old ice
230    real                                :: albedo_h2o_frost              ! albedo of h2o frost
[3143]231    real, dimension(:),     allocatable :: tsurf_read_generic            ! Temporary variable to do the subslope transfert dimension when reading form generic
232    real, dimension(:,:),   allocatable :: qsurf_read_generic            ! Temporary variable to do the subslope transfert dimension when reading form generic
233    real, dimension(:,:),   allocatable :: tsoil_read_generic            ! Temporary variable to do the subslope transfert dimension when reading form generic
234    real, dimension(:),     allocatable :: emis_read_generic             ! Temporary variable to do the subslope transfert dimension when reading form generic
235    real, dimension(:,:),   allocatable :: albedo_read_generic           ! Temporary variable to do the subslope transfert dimension when reading form generic
[3065]236    real, dimension(:,:),   allocatable :: tsurf                         ! Subslope variable, only needed in the GENERIC case
237    real, dimension(:,:,:), allocatable :: qsurf                         ! Subslope variable, only needed in the GENERIC case
238    real, dimension(:,:,:), allocatable :: tsoil                         ! Subslope variable, only needed in the GENERIC case
239    real, dimension(:,:),   allocatable :: emis                          ! Subslope variable, only needed in the GENERIC case
240    real, dimension(:,:),   allocatable :: watercap                      ! Subslope variable, only needed in the GENERIC case =0 no watercap in generic model
[3068]241    logical, dimension(:),  allocatable :: watercaptag                   ! Subslope variable, only needed in the GENERIC case =false no watercaptag in generic model
[3065]242    real, dimension(:,:,:), allocatable :: albedo                        ! Subslope variable, only needed in the GENERIC case
243    real, dimension(:,:,:), allocatable :: inertiesoil                   ! Subslope variable, only needed in the GENERIC case
[2842]244#endif
245
[2980]246#ifdef CPP_1D
[3143]247    integer            :: nsplit_phys
248    integer, parameter :: jjm_value = jjm - 1
[3065]249
250    ! Dummy variables to use the subroutine 'init_testphys1d'
[3129]251    logical                             :: therestart1D, therestartfi
[3068]252    integer                             :: ndt, day0
253    real                                :: ptif, pks, day, gru, grv, atm_wat_profile, atm_wat_tau
254    real, dimension(:),     allocatable :: zqsat
255    real, dimension(:,:,:), allocatable :: dq, dqdyn
256    real, dimension(nlayer)             :: play, w
257    real, dimension(nlayer + 1)         :: plev
[2980]258#else
[3143]259    integer, parameter              :: jjm_value = jjm
260    real, dimension(:), allocatable :: ap ! Coefficient ap read in start_name and written in restart
261    real, dimension(:), allocatable :: bp ! Coefficient bp read in start_name and written in restart
[2980]262#endif
263
[3028]264! Loop variables
[3206]265integer :: i, l, ig, nnq, t, islope, ig_loop, islope_loop, isoil, icap
[2779]266
[3028]267! Parallel variables
[2842]268#ifndef CPP_STD
[3028]269    is_sequential = .true.
270    is_parallel = .false.
271    is_mpi_root = .true.
272    is_omp_root = .true.
273    is_master = .true.
[2842]274#endif
[2779]275
[3065]276! Some constants
[3028]277day_ini = 0    ! test
278time_phys = 0. ! test
279ngrid = ngridmx
280A = (1/m_co2 - 1/m_noco2)
281B = 1/m_noco2
282year_day = 669
283daysec = 88775.
284timestep = year_day*daysec/year_step
[2794]285
[3028]286!----------------------------- INITIALIZATION --------------------------
[2779]287!------------------------
[3028]288! I   Initialization
[3161]289!    I_a Read the "run.def"
[2779]290!------------------------
[2980]291#ifndef CPP_1D
[3028]292    dtphys = 0
293    call conf_gcm(99,.true.)
294    call infotrac_init
295    nq = nqtot
296    allocate(q(ip1jmp1,llm,nqtot))
[3065]297    allocate(longitude(ngrid),latitude(ngrid),cell_area(ngrid))
[2980]298#else
[3068]299    allocate(q(1,llm,nqtot))
[3065]300    allocate(longitude(1),latitude(1),cell_area(1))
[3129]301
[3143]302    therestart1D = .false. ! Default value
[3129]303    inquire(file = 'start1D_evol.txt',exist = therestart1D)
304    if (.not. therestart1D) then
305        write(*,*) 'There is no "start1D_evol.txt" file!'
306        error stop 'Initialization cannot be done for the 1D PEM.'
307    endif
[3143]308    therestartfi = .false. ! Default value
[3129]309    inquire(file = 'startfi_evol.nc',exist = therestartfi)
310    if (.not. therestartfi) then
311        write(*,*) 'There is no "startfi_evol.nc" file!'
312        error stop 'Initialization cannot be done for the 1D PEM.'
313    endif
314
[3203]315    call init_testphys1d('start1D_evol.txt','startfi_evol.nc',therestart1D,therestartfi,ngrid,nlayer,610.,nq,q, &
316                         time_0,ps(1),ucov,vcov,teta,ndt,ptif,pks,dtphys,zqsat,dq,dqdyn,day0,day,gru,grv,w,     &
[3207]317                         play,plev,latitude,longitude,cell_area,atm_wat_profile,atm_wat_tau)
[3065]318    ps(2) = ps(1)
[3028]319    nsplit_phys = 1
[2980]320#endif
[2779]321
[3039]322call conf_pem(i_myear,n_myear)
[2779]323
[2835]324!------------------------
[3028]325! I   Initialization
[3161]326!    I_b Read of the "start_evol.nc" and starfi_evol.nc
[3028]327!------------------------
[3161]328! I_b.1 Read "start_evol.nc"
[3149]329allocate(ps_start_PCM(ngrid))
[2980]330#ifndef CPP_1D
[3143]331    call dynetat0(start_name,vcov,ucov,teta,q,masse,ps,phis,time_0)
[2779]332
[3149]333    call gr_dyn_fi(1,iip1,jjp1,ngridmx,ps,ps_start_PCM)
[2897]334
[3028]335    call iniconst !new
336    call inigeom
[2980]337
[3028]338    allocate(ap(nlayer + 1))
339    allocate(bp(nlayer + 1))
[3143]340    status = nf90_open(start_name,NF90_NOWRITE,ncid)
[3028]341    status = nf90_inq_varid(ncid,"ap",apvarid)
342    status = nf90_get_var(ncid,apvarid,ap)
343    status = nf90_inq_varid(ncid,"bp",bpvarid)
344    status = nf90_get_var(ncid,bpvarid,bp)
345    status = nf90_close(ncid)
[2779]346
[3149]347    call iniphysiq(iim,jjm,llm,(jjm-1)*iim+2,comm_lmdz,daysec,day_ini,dtphys/nsplit_phys,rlatu,rlatv,rlonu,rlonv,aire,cu,cv,rad,g,r,cpp,iflag_phys)
[2980]348#else
[3149]349    ps_start_PCM(1) = ps(1)
[2980]350#endif
351
[3096]352! In the PCM, these values are given to the physic by the dynamic.
[3161]353! Here we simply read them in the "startfi_evol.nc" file
[3143]354status = nf90_open(startfi_name, NF90_NOWRITE, ncid)
[2963]355
[3028]356status = nf90_inq_varid(ncid,"longitude",lonvarid)
357status = nf90_get_var(ncid,lonvarid,longitude)
[2963]358
[3028]359status = nf90_inq_varid(ncid,"latitude",latvarid)
360status = nf90_get_var(ncid,latvarid,latitude)
[2963]361
[3028]362status = nf90_inq_varid(ncid,"area",areavarid)
363status = nf90_get_var(ncid,areavarid,cell_area)
[2963]364
[3028]365status = nf90_inq_varid(ncid,"soildepth",sdvarid)
366status = nf90_get_var(ncid,sdvarid,mlayer)
[2963]367
[3028]368status = nf90_close(ncid)
[2963]369
[3161]370! I_b.2 Read the "startfi_evol.nc"
[2779]371! First we read the initial state (starfi.nc)
[2842]372#ifndef CPP_STD
[3143]373    call phyetat0(startfi_name,0,0,nsoilmx,ngrid,nlayer,nq,nqsoil,day_ini,time_phys,tsurf, &
[3149]374                  tsoil,albedo,emis,q2,qsurf,qsoil,tauscaling,totcloudfrac,wstar,          &
[3130]375                  watercap,perennial_co2ice,def_slope,def_slope_mean,subslope_dist)
[2779]376
[3070]377    ! Remove unphysical values of surface tracer
378    where (qsurf < 0.) qsurf = 0.
[2885]379
[3143]380    call surfini(ngrid,nslope,qsurf)
[2842]381#else
[3028]382    call phys_state_var_init(nq)
383    if (.not. allocated(noms)) allocate(noms(nq)) ! (because noms is an argument of physdem1 whether or not tracer is on)
384    call initracer(ngrid,nq)
385    call iniaerosol()
386    allocate(tsurf_read_generic(ngrid))
387    allocate(qsurf_read_generic(ngrid,nq))
388    allocate(tsoil_read_generic(ngrid,nsoilmx))
[3114]389    allocate(qsoil_read_generic(ngrid,nsoilmx,nqsoil,nslope))
[3028]390    allocate(emis_read_generic(ngrid))
391    allocate(tsurf(ngrid,1))
392    allocate(qsurf(ngrid,nq,1))
393    allocate(tsoil(ngrid,nsoilmx,1))
394    allocate(emis(ngrid,1))
395    allocate(watercap(ngrid,1))
396    allocate(watercaptag(ngrid))
397    allocate(albedo_read_generic(ngrid,2))
398    allocate(albedo(ngrid,2,1))
399    allocate(inertiesoil(ngrid,nsoilmx,1))
[3143]400    call phyetat0(.true.,ngrid,nlayer,startfi_name,0,0,nsoilmx,nq,nqsoil,day_ini,time_phys, &
[3149]401                  tsurf_read_generic,tsoil_read_generic,emis_read_generic,q2,               &
402                  qsurf_read_generic,qsoil_read_generic,cloudfrac,totcloudfrac,hice,        &
[3114]403                  rnat,pctsrf_sic,tslab,tsea_ice,sea_ice)
[3065]404    call surfini(ngrid,nq,qsurf_read_generic,albedo_read_generic,albedo_bareground,albedo_snow_SPECTV,albedo_co2_ice_SPECTV)
[2842]405
[3028]406    nslope = 1
407    call ini_comslope_h(ngrid,1)
[2842]408
[3149]409    qsurf(:,:,1) = qsurf_read_generic
410    tsurf(:,1) = tsurf_read_generic
411    tsoil(:,:,1) = tsoil_read_generic
412    emis(:,1) = emis_read_generic
[3028]413    watercap(:,1) = 0.
414    watercaptag(:) = .false.
415    albedo(:,1,1) = albedo_read_generic(:,1)
416    albedo(:,2,1) = albedo_read_generic(:,2)
[3149]417    inertiesoil(:,:,1) = inertiedat
[2842]418
[3028]419    if (nslope == 1) then
420        def_slope(1) = 0
421        def_slope(2) = 0
422        def_slope_mean = 0
423        subslope_dist(:,1) = 1.
424    endif
[2842]425
[3070]426    ! Remove unphysical values of surface tracer
[3149]427    qsurf(:,:,1) = qsurf_read_generic
[3070]428    where (qsurf < 0.) qsurf = 0.
[2842]429#endif
430
[3028]431do nnq = 1,nqtot  ! Why not using ini_tracer ?
432    if (noms(nnq) == "h2o_ice") igcm_h2o_ice = nnq
433    if (noms(nnq) == "h2o_vap") then
434        igcm_h2o_vap = nnq
[3143]435        mmol(igcm_h2o_vap) = 18.
[3028]436    endif
437    if (noms(nnq) == "co2") igcm_co2 = nnq
[3065]438enddo
[3039]439r = 8.314511*1000./mugaz
[3028]440
[2835]441!------------------------
[3028]442! I   Initialization
[2835]443!    I_c Subslope parametrisation
444!------------------------
[3028]445! Define some slope statistics
446iflat = 1
447do islope = 2,nslope
448    if (abs(def_slope_mean(islope)) < abs(def_slope_mean(iflat))) iflat = islope
449enddo
[2794]450
[3028]451write(*,*) 'Flat slope for islope = ',iflat
452write(*,*) 'corresponding criterium = ',def_slope_mean(iflat)
[2794]453
[3028]454allocate(flag_co2flow(ngrid,nslope))
455allocate(flag_co2flow_mesh(ngrid))
456allocate(flag_h2oflow(ngrid,nslope))
457allocate(flag_h2oflow_mesh(ngrid))
[2835]458
[3149]459flag_co2flow = 0
460flag_co2flow_mesh = 0
461flag_h2oflow = 0
462flag_h2oflow_mesh = 0
[2835]463
[2794]464!------------------------
[3028]465! I   Initialization
[3161]466!    I_d Read the PCM data and convert them to the physical grid
[3028]467!------------------------
[3096]468! First we read the evolution of water and co2 ice (and the mass mixing ratio) over the first year of the PCM run, saving only the minimum value
469call nb_time_step_PCM("data_PCM_Y1.nc",timelen)
[2794]470
[3028]471allocate(tsoil_ave(ngrid,nsoilmx,nslope))
472allocate(watersoil_density_PEM_ave(ngrid,nsoilmx_PEM,nslope))
[3149]473allocate(vmr_co2_PCM(ngrid,timelen))
[3028]474allocate(ps_timeseries(ngrid,timelen))
[3149]475allocate(min_co2_ice(ngrid,nslope,2))
476allocate(min_h2o_ice(ngrid,nslope,2))
477allocate(tsurf_avg_yr1(ngrid,nslope))
[3028]478allocate(tsurf_ave(ngrid,nslope))
[3149]479allocate(tsurf_PCM_timeseries(ngrid,nslope,timelen))
480allocate(tsoil_PCM_timeseries(ngrid,nsoilmx,nslope,timelen))
[3028]481allocate(q_co2_PEM_phys(ngrid,timelen))
482allocate(q_h2o_PEM_phys(ngrid,timelen))
[3149]483allocate(co2_ice_PCM(ngrid,nslope,timelen))
[3028]484allocate(watersurf_density_ave(ngrid,nslope))
485allocate(watersoil_density_timeseries(ngrid,nsoilmx,nslope,timelen))
[3149]486allocate(Tsurfavg_before_saved(ngrid,nslope))
[3028]487allocate(tsoil_phys_PEM_timeseries(ngrid,nsoilmx_PEM,nslope,timelen))
488allocate(watersoil_density_PEM_timeseries(ngrid,nsoilmx_PEM,nslope,timelen))
489allocate(delta_co2_adsorbded(ngrid))
[3031]490allocate(porefillingice_thickness_prev_iter(ngrid,nslope))
491allocate(delta_h2o_icetablesublim(ngrid))
[3028]492allocate(delta_h2o_adsorbded(ngrid))
[3149]493allocate(vmr_co2_PEM_phys(ngrid,timelen))
[2794]494
[3028]495write(*,*) "Downloading data Y1..."
[3199]496call read_data_PCM("data_PCM_Y1.nc",timelen,iim,jjm_value,ngrid,nslope,vmr_co2_PCM,ps_timeseries,min_co2_ice(:,:,1),min_h2o_ice(:,:,1), &
[3149]497                   tsurf_avg_yr1,tsoil_ave,tsurf_PCM_timeseries,tsoil_PCM_timeseries,q_co2_PEM_phys,q_h2o_PEM_phys,                      &
498                   co2_ice_PCM,watersurf_density_ave,watersoil_density_timeseries)
[3199]499write(*,*) "Downloading data Y1 done!"
[2985]500
[3096]501! Then we read the evolution of water and co2 ice (and the mass mixing ratio) over the second year of the PCM run, saving only the minimum value
[3199]502write(*,*) "Downloading data Y2..."
[3149]503call read_data_PCM("data_PCM_Y2.nc",timelen,iim,jjm_value,ngrid,nslope,vmr_co2_PCM,ps_timeseries,min_co2_ice(:,:,2),min_h2o_ice(:,:,2), &
504                   tsurf_ave,tsoil_ave,tsurf_PCM_timeseries,tsoil_PCM_timeseries,q_co2_PEM_phys,q_h2o_PEM_phys,                         &
505                   co2_ice_PCM,watersurf_density_ave,watersoil_density_timeseries)
[3199]506write(*,*) "Downloading data Y2 done!"
[2794]507
[2835]508!------------------------
[3028]509! I   Initialization
510!    I_e Initialization of the PEM variables and soil
[2835]511!------------------------
[3028]512call end_comsoil_h_PEM
513call ini_comsoil_h_PEM(ngrid,nslope)
514call end_adsorption_h_PEM
515call ini_adsorption_h_PEM(ngrid,nslope,nsoilmx_PEM)
516call end_ice_table_porefilling
517call ini_ice_table_porefilling(ngrid,nslope)
[2794]518
[3028]519if (soil_pem) then
[3199]520    allocate(tsoil_anom(ngrid,nsoilmx,nslope))
521    tsoil_anom = tsoil - tsoil_ave ! compute anomaly between Tsoil(t) in the startfi - <Tsoil> to recompute properly tsoil in the restart
[3028]522    call soil_settings_PEM(ngrid,nslope,nsoilmx_PEM,nsoilmx,inertiesoil,TI_PEM)
[3149]523    tsoil_PEM(:,1:nsoilmx,:) = tsoil_ave
524    tsoil_phys_PEM_timeseries(:,1:nsoilmx,:,:) = tsoil_PCM_timeseries
525    watersoil_density_PEM_timeseries(:,1:nsoilmx,:,:) = watersoil_density_timeseries
[3070]526    do l = nsoilmx + 1,nsoilmx_PEM
527        tsoil_PEM(:,l,:) = tsoil_ave(:,nsoilmx,:)
528        watersoil_density_PEM_timeseries(:,l,:,:) = watersoil_density_timeseries(:,nsoilmx,:,:)
[3028]529    enddo
[3149]530    watersoil_density_PEM_ave = sum(watersoil_density_PEM_timeseries,4)/timelen
[3028]531endif !soil_pem
[3149]532deallocate(tsoil_ave,tsoil_PCM_timeseries)
[2794]533
[2779]534!------------------------
[3028]535! I   Initialization
[3143]536!    I_f Compute tendencies
[3028]537!------------------------
[3149]538allocate(tend_co2_ice(ngrid,nslope),tend_h2o_ice(ngrid,nslope))
539allocate(tend_co2_ice_ini(ngrid,nslope))
[2779]540
[3028]541! Compute the tendencies of the evolution of ice over the years
[3149]542call compute_tend(ngrid,nslope,min_co2_ice,tend_co2_ice)
543call compute_tend(ngrid,nslope,min_h2o_ice,tend_h2o_ice)
544tend_co2_ice_ini = tend_co2_ice
[2895]545
[2835]546!------------------------
[3028]547! I   Initialization
[2835]548!    I_g Save initial PCM situation
[3028]549!------------------------
[3159]550! We save the places where h2o ice is sublimating
551! We compute the surface of h2o ice sublimating
[3149]552co2_surf_ini = 0.
553h2o_surf_ini = 0.
[3028]554Total_surface = 0.
555do i = 1,ngrid
[3070]556    Total_surface = Total_surface + cell_area(i)
[3028]557    do islope = 1,nslope
[3149]558        if (tend_co2_ice(i,islope) < 0.) co2_surf_ini = co2_surf_ini + cell_area(i)*subslope_dist(i,islope)
559        if (tend_h2o_ice(i,islope) < 0.) h2o_surf_ini = h2o_surf_ini + cell_area(i)*subslope_dist(i,islope)
[2779]560    enddo
[3028]561enddo
[2779]562
[3149]563write(*,*) "Total initial surface of co2 ice sublimating (slope) =", co2_surf_ini
564write(*,*) "Total initial surface of h2o ice sublimating (slope) =", h2o_surf_ini
[3143]565write(*,*) "Total surface of the planet =", Total_surface
[3149]566allocate(zplev_PCM(ngrid,nlayer + 1))
[2779]567
[3070]568do ig = 1,ngrid
[3149]569    zplev_PCM(ig,:) = ap + bp*ps_start_PCM(ig)
[3028]570enddo
[2779]571
[3149]572global_avg_press_old = sum(cell_area*ps_start_PCM)/Total_surface
573global_avg_press_PCM = global_avg_press_old
574global_avg_press_new = global_avg_press_old
575write(*,*) "Initial global average pressure =", global_avg_press_PCM
[2779]576
577!------------------------
[3028]578! I   Initialization
[3161]579!    I_h Read the "startpem.nc"
[3028]580!------------------------
[3149]581allocate(co2_ice(ngrid,nslope),h2o_ice(ngrid,nslope))
582deallocate(min_co2_ice,min_h2o_ice)
583
[3088]584call pemetat0("startpem.nc",ngrid,nsoilmx,nsoilmx_PEM,nslope,timelen,timestep,TI_PEM,tsoil_PEM,porefillingice_depth, &
[3149]585              porefillingice_thickness,tsurf_avg_yr1,tsurf_ave,q_co2_PEM_phys,q_h2o_PEM_phys,ps_timeseries,          &
586              tsoil_phys_PEM_timeseries,tend_h2o_ice,tend_co2_ice,co2_ice,h2o_ice,global_avg_press_PCM,              &
587              watersurf_density_ave,watersoil_density_PEM_ave,co2_adsorbded_phys,delta_co2_adsorbded,                &
588              h2o_adsorbded_phys,delta_h2o_adsorbded)
[2779]589
[3149]590allocate(co2_ice_ini(ngrid,nslope))
591co2_ice_ini = co2_ice
[3031]592
[3149]593delta_h2o_icetablesublim = 0.
[3130]594
[3028]595if (adsorption_pem) then
596    totmassco2_adsorbded = 0.
597    totmassh2o_adsorbded = 0.
598    do ig = 1,ngrid
[3070]599        do islope = 1,nslope
[3028]600            do l = 1,nsoilmx_PEM - 1
[3264]601                if (l==1) then
602                   totmassco2_adsorbded = totmassco2_adsorbded + co2_adsorbded_phys(ig,l,islope)*(layer_PEM(l))* &
[3028]603                                       subslope_dist(ig,islope)/cos(pi*def_slope_mean(islope)/180.)*cell_area(ig)
[3264]604                   totmassh2o_adsorbded = totmassh2o_adsorbded + h2o_adsorbded_phys(ig,l,islope)*(layer_PEM(l))* &
[3028]605                                       subslope_dist(ig,islope)/cos(pi*def_slope_mean(islope)/180.)*cell_area(ig)
[3264]606                else
607                   totmassco2_adsorbded = totmassco2_adsorbded + co2_adsorbded_phys(ig,l,islope)*(layer_PEM(l) - layer_PEM(l-1))* &
608                                       subslope_dist(ig,islope)/cos(pi*def_slope_mean(islope)/180.)*cell_area(ig)
609                   totmassh2o_adsorbded = totmassh2o_adsorbded + h2o_adsorbded_phys(ig,l,islope)*(layer_PEM(l) - layer_PEM(l-1))* &
610                                       subslope_dist(ig,islope)/cos(pi*def_slope_mean(islope)/180.)*cell_area(ig)
611                endif
[3028]612            enddo
[2961]613        enddo
[3028]614    enddo
[3143]615    write(*,*) "Tot mass of CO2 in the regolith =", totmassco2_adsorbded
616    write(*,*) "Tot mass of H2O in the regolith =", totmassh2o_adsorbded
[3028]617endif ! adsorption
[3149]618deallocate(tsurf_avg_yr1)
[2794]619
[2835]620!------------------------
[3028]621! I   Initialization
[2835]622!    I_i Compute orbit criterion
[3028]623!------------------------
[2842]624#ifndef CPP_STD
[3050]625    call iniorbit(aphelie,periheli,year_day,peri_day,obliquit)
[2842]626#else
[3050]627    call iniorbit(apoastr,periastr,year_day,peri_day,obliquit)
[2842]628#endif
[2794]629
[3028]630if (evol_orbit_pem) then
[3039]631    call orbit_param_criterion(i_myear,year_iter_max)
[3028]632else
633    year_iter_max = Max_iter_pem
634endif
635!-------------------------- END INITIALIZATION -------------------------
[2794]636
[3028]637!-------------------------------- RUN ----------------------------------
[2794]638!------------------------
639! II  Run
[3065]640!    II_a Update pressure, ice and tracers
[2794]641!------------------------
[3028]642year_iter = 0
[3149]643stopPEM = 0
[2794]644
[3039]645do while (year_iter < year_iter_max .and. i_myear < n_myear)
[2835]646! II.a.1. Compute updated global pressure
[3028]647    write(*,*) "Recomputing the new pressure..."
648    do i = 1,ngrid
649        do islope = 1,nslope
[3188]650            global_avg_press_new = global_avg_press_new - CO2cond_ps*g*cell_area(i)*tend_co2_ice(i,islope)*subslope_dist(i,islope)/cos(pi*def_slope_mean(islope)/180.)/Total_surface
[3028]651        enddo
652    enddo
[3065]653
[3028]654    if (adsorption_pem) then
655        do i = 1,ngrid
[3149]656            global_avg_press_new = global_avg_press_new - g*cell_area(i)*delta_co2_adsorbded(i)/Total_surface
[3050]657        enddo
[3028]658    endif
[3149]659    write(*,*) 'Global average pressure old time step',global_avg_press_old
660    write(*,*) 'Global average pressure new time step',global_avg_press_new
[2835]661
[3161]662! II.a.2. Old pressure levels for the timeseries, this value is deleted when unused and recreated each time (big memory consumption)
[3070]663    allocate(zplev_old_timeseries(ngrid,nlayer + 1,timelen))
[3028]664    write(*,*) "Recomputing the old pressure levels timeserie adapted to the old pressure..."
665    do l = 1,nlayer + 1
666        do ig = 1,ngrid
667            zplev_old_timeseries(ig,l,:) = ap(l) + bp(l)*ps_timeseries(ig,:)
668        enddo
669    enddo
[2779]670
[2835]671! II.a.3. Surface pressure timeseries
[3028]672    write(*,*) "Recomputing the surface pressure timeserie adapted to the new pressure..."
673    do ig = 1,ngrid
[3149]674        ps_timeseries(ig,:) = ps_timeseries(ig,:)*global_avg_press_new/global_avg_press_old
[3028]675    enddo
[2779]676
[2835]677! II.a.4. New pressure levels timeseries
[3149]678    allocate(zplev_new_timeseries(ngrid,nlayer + 1,timelen))
[3028]679    write(*,*) "Recomputing the new pressure levels timeserie adapted to the new pressure..."
680    do l = 1,nlayer + 1
681        do ig = 1,ngrid
682            zplev_new_timeseries(ig,l,:) = ap(l) + bp(l)*ps_timeseries(ig,:)
683        enddo
684    enddo
[2779]685
[2835]686! II.a.5. Tracers timeseries
[3028]687    write(*,*) "Recomputing of tracer VMR timeseries for the new pressure..."
[2794]688
[3028]689    l = 1
690    do ig = 1,ngrid
691        do t = 1,timelen
692            q_h2o_PEM_phys(ig,t) = q_h2o_PEM_phys(ig,t)*(zplev_old_timeseries(ig,l,t) - zplev_old_timeseries(ig,l + 1,t))/ &
693                                   (zplev_new_timeseries(ig,l,t) - zplev_new_timeseries(ig,l + 1,t))
[3143]694            if (q_h2o_PEM_phys(ig,t) < 0) then
695                q_h2o_PEM_phys(ig,t) = 1.e-30
696            else if (q_h2o_PEM_phys(ig,t) > 1) then
697                q_h2o_PEM_phys(ig,t) = 1.
698            endif
[3028]699        enddo
700    enddo
[2794]701
[3028]702    do ig = 1,ngrid
[3065]703        do t = 1,timelen
[3028]704            q_co2_PEM_phys(ig,t) = q_co2_PEM_phys(ig,t)*(zplev_old_timeseries(ig,l,t) - zplev_old_timeseries(ig,l + 1,t))/ &
[3122]705                                   (zplev_new_timeseries(ig,l,t) - zplev_new_timeseries(ig,l + 1,t))                       &
706                                + ((zplev_new_timeseries(ig,l,t) - zplev_new_timeseries(ig,l + 1,t))                       &
707                                -  (zplev_old_timeseries(ig,l,t) - zplev_old_timeseries(ig,l + 1,t)))/                     &
[3028]708                                   (zplev_new_timeseries(ig,l,t) - zplev_new_timeseries(ig,l + 1,t))
709            if (q_co2_PEM_phys(ig,t) < 0) then
710                q_co2_PEM_phys(ig,t) = 1.e-30
[3143]711            else if (q_co2_PEM_phys(ig,t) > 1) then
[3028]712                q_co2_PEM_phys(ig,t) = 1.
713            endif
714            mmean=1/(A*q_co2_PEM_phys(ig,t) + B)
[3149]715            vmr_co2_PEM_phys(ig,t) = q_co2_PEM_phys(ig,t)*mmean/m_co2
[3028]716        enddo
717    enddo
[2794]718
[3028]719    deallocate(zplev_new_timeseries,zplev_old_timeseries)
720
721!------------------------
[2835]722! II  Run
[3149]723!    II_b Evolution of ice
[3028]724!------------------------
[3149]725    call evol_h2o_ice(ngrid,nslope,cell_area,delta_h2o_adsorbded,delta_h2o_icetablesublim,h2o_ice,tend_h2o_ice,stopPEM)
726    call evol_co2_ice(ngrid,nslope,co2_ice,tend_co2_ice)
[2794]727
728!------------------------
729! II  Run
[3149]730!    II_c Flow of glaciers
[2794]731!------------------------
[3181]732    if (co2ice_flow .and. nslope > 1) call flow_co2glaciers(timelen,ngrid,nslope,iflat,subslope_dist,def_slope_mean,vmr_co2_PEM_phys,ps_timeseries, &
[3149]733                                            global_avg_press_PCM,global_avg_press_new,co2_ice,flag_co2flow,flag_co2flow_mesh)
[3181]734    if (h2oice_flow .and. nslope > 1) call flow_h2oglaciers(timelen,ngrid,nslope,iflat,subslope_dist,def_slope_mean,tsurf_ave,h2o_ice,flag_h2oflow,flag_h2oflow_mesh)
[3065]735
[2794]736!------------------------
737! II  Run
[2835]738!    II_d Update surface and soil temperatures
[2794]739!------------------------
[2835]740! II_d.1 Update Tsurf
[3028]741    write(*,*) "Updating the new Tsurf"
742    bool_sublim = .false.
[3149]743    Tsurfavg_before_saved = tsurf_ave
[3028]744    do ig = 1,ngrid
745        do islope = 1,nslope
[3149]746            if (co2_ice_ini(ig,islope) > 0.5 .and. co2_ice(ig,islope) < 1.e-10) then ! co2 ice disappeared, look for closest point without co2ice
[3028]747                if (latitude_deg(ig) > 0) then
748                    do ig_loop = ig,ngrid
749                        do islope_loop = islope,iflat,-1
[3149]750                            if (co2_ice_ini(ig_loop,islope_loop) < 0.5 .and. co2_ice(ig_loop,islope_loop) < 1.e-10) then
[3028]751                                tsurf_ave(ig,islope) = tsurf_ave(ig_loop,islope_loop)
752                                bool_sublim = .true.
753                                exit
754                            endif
755                        enddo
756                        if (bool_sublim) exit
757                    enddo
758                else
759                    do ig_loop = ig,1,-1
760                        do islope_loop = islope,iflat
[3149]761                            if(co2_ice_ini(ig_loop,islope_loop) < 0.5 .and. co2_ice(ig_loop,islope_loop) < 1.e-10) then
[3028]762                                tsurf_ave(ig,islope) = tsurf_ave(ig_loop,islope_loop)
763                                bool_sublim = .true.
764                                exit
765                            endif
766                        enddo
767                        if (bool_sublim) exit
768                    enddo
[2835]769                endif
[3149]770                co2_ice_ini(ig,islope) = 0
771                if ((co2_ice(ig,islope) < 1.e-10) .and. (h2o_ice(ig,islope) > frost_albedo_threshold)) then
[3028]772                    albedo(ig,1,islope) = albedo_h2o_frost
773                    albedo(ig,2,islope) = albedo_h2o_frost
774                else
775                    albedo(ig,1,islope) = albedodat(ig)
[3065]776                    albedo(ig,2,islope) = albedodat(ig)
[3028]777                    emis(ig,islope) = emissiv
778                endif
[3149]779            else if ((co2_ice(ig,islope) > 1.e-3) .and. (tend_co2_ice(ig,islope) > 1.e-10)) then ! Put tsurf as tcond co2
[3028]780                ave = 0.
781                do t = 1,timelen
[3149]782                    if (co2_ice_PCM(ig,islope,t) > 1.e-3) then
[3181]783                        ave = ave + beta_clap_co2/(alpha_clap_co2 - log(vmr_co2_PEM_phys(ig,t)*ps_timeseries(ig,t)/100.))
[3028]784                    else
[3149]785                        ave = ave + tsurf_PCM_timeseries(ig,islope,t)
[3028]786                    endif
[2794]787                enddo
[3028]788                tsurf_ave(ig,islope) = ave/timelen
[3032]789                ! set the surface albedo to be the ice albedo
790                if (latitude_deg(ig) > 0) then
791                   icap = 1
792                else
793                   icap = 2
794                endif
795                albedo(ig,1,islope) = albedice(icap)
796                albedo(ig,2,islope) = albedice(icap)
797                emis(ig,islope) = emisice(icap)
[2835]798            endif
799        enddo
[3028]800    enddo
[2794]801
[3028]802    do t = 1,timelen
[3149]803        tsurf_PCM_timeseries(:,:,t) = tsurf_PCM_timeseries(:,:,t) + tsurf_ave - Tsurfavg_before_saved
[3028]804    enddo
805    ! for the start
806    do ig = 1,ngrid
[2835]807        do islope = 1,nslope
[3149]808            tsurf(ig,islope) =  tsurf(ig,islope) - (Tsurfavg_before_saved(ig,islope) - tsurf_ave(ig,islope))
[2794]809        enddo
[3028]810    enddo
[2794]811
[3028]812    if (soil_pem) then
[2794]813
[2835]814! II_d.2 Update soil temperature
[3028]815        allocate(TI_locslope(ngrid,nsoilmx_PEM))
816        allocate(Tsoil_locslope(ngrid,nsoilmx_PEM))
817        allocate(Tsurf_locslope(ngrid))
818        write(*,*)"Updating soil temperature"
[2794]819
[3028]820        ! Soil averaged
821        do islope = 1,nslope
[3149]822            TI_locslope = TI_PEM(:,:,islope)
[3028]823            do t = 1,timelen
[3149]824                Tsoil_locslope = tsoil_phys_PEM_timeseries(:,:,islope,t)
825                Tsurf_locslope = tsurf_PCM_timeseries(:,islope,t)
[3178]826                call compute_tsoil_pem(ngrid,nsoilmx_PEM,.true.,TI_locslope,timestep/timelen,Tsurf_locslope,Tsoil_locslope)
827                call compute_tsoil_pem(ngrid,nsoilmx_PEM,.false.,TI_locslope,timestep/timelen,Tsurf_locslope,Tsoil_locslope)
[3149]828                tsoil_phys_PEM_timeseries(:,:,islope,t) = Tsoil_locslope
[3028]829                do ig = 1,ngrid
830                    do isoil = 1,nsoilmx_PEM
831                        watersoil_density_PEM_timeseries(ig,isoil,islope,t) = exp(beta_clap_h2o/Tsoil_locslope(ig,isoil) + alpha_clap_h2o)/Tsoil_locslope(ig,isoil)*mmol(igcm_h2o_vap)/(mugaz*r)
[3065]832                        if (isnan(Tsoil_locslope(ig,isoil))) call abort_pem("PEM - Update Tsoil","NaN detected in Tsoil ",1)
[3028]833                    enddo
834                enddo
835            enddo
836        enddo
[3149]837        tsoil_PEM = sum(tsoil_phys_PEM_timeseries,4)/timelen
838        watersoil_density_PEM_ave = sum(watersoil_density_PEM_timeseries,4)/timelen
[2794]839
[3028]840        write(*,*) "Update of soil temperature done"
[2888]841
[3028]842        deallocate(TI_locslope,Tsoil_locslope,Tsurf_locslope)
[2849]843
[2835]844! II_d.3 Update the ice table
[3170]845        if (icetable_equilibrium) then
846            write(*,*) "Compute ice table"
847            porefillingice_thickness_prev_iter = porefillingice_thickness
848            call computeice_table_equilibrium(ngrid,nslope,nsoilmx_PEM,watercaptag,watersurf_density_ave,watersoil_density_PEM_ave,TI_PEM(:,1,:),porefillingice_depth,porefillingice_thickness)
[3264]849            call compute_massh2o_exchange_ssi(ngrid,nslope,nsoilmx_PEM,porefillingice_thickness_prev_iter,porefillingice_thickness,porefillingice_depth,tsurf_ave, tsoil_PEM,delta_h2o_icetablesublim) ! Mass of H2O exchange between the ssi and the atmosphere
[3170]850        endif
[3122]851! II_d.4 Update the soil thermal properties
[3149]852        call update_soil_thermalproperties(ngrid,nslope,nsoilmx_PEM,tend_h2o_ice,h2o_ice,global_avg_press_new,porefillingice_depth,porefillingice_thickness,TI_PEM)
[2794]853
[3143]854! II_d.5 Update the mass of the regolith adsorbed
[3028]855        if (adsorption_pem) then
[3159]856            call regolith_adsorption(ngrid,nslope,nsoilmx_PEM,timelen,tend_h2o_ice,tend_co2_ice,                   &
[3149]857                                     h2o_ice,co2_ice,tsoil_PEM,TI_PEM,ps_timeseries,q_co2_PEM_phys,q_h2o_PEM_phys, &
858                                     h2o_adsorbded_phys,delta_h2o_adsorbded,co2_adsorbded_phys,delta_co2_adsorbded)
[2794]859
[3028]860            totmassco2_adsorbded = 0.
861            totmassh2o_adsorbded = 0.
862            do ig = 1,ngrid
863                do islope =1, nslope
[3264]864                    do l = 1,nsoilmx_PEM
865                        if (l==1) then
866                            totmassco2_adsorbded = totmassco2_adsorbded + co2_adsorbded_phys(ig,l,islope)*(layer_PEM(l))* &
867                                       subslope_dist(ig,islope)/cos(pi*def_slope_mean(islope)/180.)*cell_area(ig)
868                            totmassh2o_adsorbded = totmassh2o_adsorbded + h2o_adsorbded_phys(ig,l,islope)*(layer_PEM(l))* &
869                                       subslope_dist(ig,islope)/cos(pi*def_slope_mean(islope)/180.)*cell_area(ig)
870                        else
871                            totmassco2_adsorbded = totmassco2_adsorbded + co2_adsorbded_phys(ig,l,islope)*(layer_PEM(l) - layer_PEM(l-1))* &
872                                       subslope_dist(ig,islope)/cos(pi*def_slope_mean(islope)/180.)*cell_area(ig)
873                            totmassh2o_adsorbded = totmassh2o_adsorbded + h2o_adsorbded_phys(ig,l,islope)*(layer_PEM(l) - layer_PEM(l-1))* &
874                                       subslope_dist(ig,islope)/cos(pi*def_slope_mean(islope)/180.)*cell_area(ig)
875                        endif
[3028]876                    enddo
877                enddo
878            enddo
879            write(*,*) "Tot mass of CO2 in the regolith=", totmassco2_adsorbded
880            write(*,*) "Tot mass of H2O in the regolith=", totmassh2o_adsorbded
881        endif
882    endif !soil_pem
883
[2794]884!------------------------
885! II  Run
[3088]886!    II_e Outputs
[2794]887!------------------------
[3181]888    call writediagpem(ngrid,'ps_ave','Global average pressure','Pa',0,(/global_avg_press_new/))
[3088]889    do islope = 1,nslope
890        write(str2(1:2),'(i2.2)') islope
[3181]891        call writediagpem(ngrid,'h2o_ice_slope'//str2,'H2O ice','kg.m-2',2,h2o_ice(:,islope))
892        call writediagpem(ngrid,'co2_ice_slope'//str2,'CO2 ice','kg.m-2',2,co2_ice(:,islope))
893        call writediagpem(ngrid,'tend_h2o_ice_slope'//str2,'H2O ice tend','kg.m-2.year-1',2,tend_h2o_ice(:,islope))
894        call writediagpem(ngrid,'tend_co2_ice_slope'//str2,'CO2 ice tend','kg.m-2.year-1',2,tend_co2_ice(:,islope))
895        call writediagpem(ngrid,'Flow_co2ice_slope'//str2,'CO2 ice flow','Boolean',2,flag_co2flow(:,islope))
896        call writediagpem(ngrid,'tsurf_slope'//str2,'tsurf','K',2,tsurf(:,islope))
[3171]897        if(icetable_equilibrium) then
[3181]898            call writediagpem(ngrid,'ssi_depth_slope'//str2,'ice table depth','m',2,porefillingice_depth(:,islope))
899            call writediagpem(ngrid,'ssi_thick_slope'//str2,'ice table depth','m',2,porefillingice_thickness(:,islope))
[3171]900        endif
901        if(soil_pem) then
902            call writediagsoilpem(ngrid,'tsoil_PEM_slope'//str2,'tsoil_PEM','K',3,tsoil_PEM(:,:,islope))
903            call writediagsoilpem(ngrid,'inertiesoil_PEM_slope'//str2,'TI_PEM','K',3,TI_PEM(:,:,islope))
904            if (adsorption_pem) then
905                call writediagsoilpem(ngrid,'co2_ads_slope'//str2,'co2_ads','K',3,co2_adsorbded_phys(:,:,islope))
906                call writediagsoilpem(ngrid,'h2o_ads_slope'//str2,'h2o_ads','K',3,h2o_adsorbded_phys(:,:,islope))
907            endif                       
908        endif
[3088]909    enddo
910
911!------------------------
912! II  Run
913!    II_f Update the tendencies
914!------------------------
[3149]915    call recomp_tend_co2_slope(ngrid,nslope,timelen,tend_co2_ice,tend_co2_ice_ini,co2_ice,emis,vmr_co2_PCM,vmr_co2_PEM_phys,ps_timeseries, &
916                               global_avg_press_PCM,global_avg_press_new)
[2794]917
[2835]918!------------------------
919! II  Run
[3088]920!    II_g Checking the stopping criterion
[2835]921!------------------------
[3149]922    call stopping_crit_h2o_ice(cell_area,h2o_surf_ini,h2o_ice,stopPEM,ngrid)
923    call stopping_crit_co2(cell_area,co2_surf_ini,co2_ice,stopPEM,ngrid,global_avg_press_PCM,global_avg_press_new,nslope)
[2779]924
[3028]925    year_iter = year_iter + dt_pem
[3039]926    i_myear = i_myear + dt_pem
[2794]927
[3149]928    write(*,*) "Checking the stopping criteria..."
929    if (year_iter >= year_iter_max) stopPEM = 5
930    if (i_myear >= n_myear) stopPEM = 6
931    if (stopPEM > 0) then
932        select case (stopPEM)
933            case(1)
[3159]934                write(*,*) "STOPPING because surface of h2o ice sublimating is too low:", stopPEM, "See message above."
[3149]935            case(2)
[3159]936                write(*,*) "STOPPING because tendencies on h2o ice = 0:", stopPEM, "See message above."
[3149]937            case(3)
938                write(*,*) "STOPPING because surface of co2 ice sublimating is too low:", stopPEM, "See message above."
939            case(4)
940                write(*,*) "STOPPING because surface global pressure changed too much:", stopPEM, "See message above."
941            case(5)
942                write(*,*) "STOPPING because maximum number of iterations due to orbital parameters is reached:", stopPEM
943            case(6)
944                write(*,*) "STOPPING because maximum number of Martian years to be simulated is reached:", stopPEM
945            case default
946                write(*,*) "STOPPING with unknown stopping criterion code:", stopPEM
947        end select
[2779]948        exit
[3028]949    else
[3143]950        write(*,*) "The PEM can continue!"
[3039]951        write(*,*) "Number of iterations of the PEM: year_iter =", year_iter
952        write(*,*) "Number of simulated Martian years: i_myear =", i_myear
[3028]953    endif
[2779]954
[3149]955    global_avg_press_old = global_avg_press_new
[2779]956
[3149]957enddo ! big time iteration loop of the pem
[3028]958!------------------------------ END RUN --------------------------------
[2779]959
[3028]960!------------------------------- OUTPUT --------------------------------
[2794]961!------------------------
962! III Output
[2835]963!    III_a Update surface value for the PCM start files
[2794]964!------------------------
[2835]965! III_a.1 Ice update (for startfi)
[2779]966
[3149]967watercap = 0.
[3159]968perennial_co2ice = co2_ice
[3028]969do ig = 1,ngrid
[3159]970    ! H2O ice metamorphism
[3161]971    if (metam_h2oice .and. sum(qsurf(ig,igcm_h2o_ice,:)*subslope_dist(ig,:)/cos(pi*def_slope_mean(:)/180.)) > metam_h2oice_threshold) then
[3159]972        h2o_ice(ig,:) = h2o_ice(ig,:) + qsurf(ig,igcm_h2o_ice,:) - metam_h2oice_threshold/subslope_dist(ig,:)*cos(pi*def_slope_mean(:)*180.)
973        qsurf(ig,igcm_h2o_ice,:) = metam_h2oice_threshold/subslope_dist(ig,:)*cos(pi*def_slope_mean(:)*180.)
974    endif
975
976    ! Is H2O ice still considered as an infinite reservoir for the PCM?
[3149]977    if (sum(h2o_ice(ig,:)*subslope_dist(ig,:)/cos(pi*def_slope_mean(:)/180.)) > inf_h2oice_threshold) then
[3159]978        ! There is enough ice to be considered as an infinite reservoir
[3149]979        watercaptag(ig) = .true.
980    else
[3159]981        ! There too little ice to be considered as an infinite reservoir so ice is transferred to the frost
[3149]982        watercaptag(ig) = .false.
983        qsurf(ig,igcm_h2o_ice,:) = qsurf(ig,igcm_h2o_ice,:) + h2o_ice(ig,:)
984        h2o_ice(ig,:) = 0.
[3028]985    endif
[3159]986
987    ! CO2 ice metamorphism
[3161]988    if (metam_co2ice .and. sum(qsurf(ig,igcm_co2,:)*subslope_dist(ig,:)/cos(pi*def_slope_mean(:)/180.)) > metam_co2ice_threshold) then
[3159]989        perennial_co2ice(ig,:) = perennial_co2ice(ig,:) + qsurf(ig,igcm_co2,:) - metam_co2ice_threshold/subslope_dist(ig,:)*cos(pi*def_slope_mean(:)*180.)
990        qsurf(ig,igcm_co2,:) = metam_co2ice_threshold/subslope_dist(ig,:)*cos(pi*def_slope_mean(:)*180.)
991    endif
[3028]992enddo
[2888]993
[2849]994! III_a.2  Tsoil update (for startfi)
[3028]995if (soil_pem) then
[3149]996    call interpol_TI_PEM2PCM(ngrid,nslope,nsoilmx_PEM,nsoilmx,TI_PEM,inertiesoil)
[3189]997    tsoil = tsoil_PEM(:,1:nsoilmx,:) + tsoil_anom
[3199]998    deallocate(tsoil_anom)
[3172]999#ifndef CPP_STD
[3181]1000    flux_geo = fluxgeo
[3172]1001#endif
[3028]1002endif
[2779]1003
[2835]1004! III_a.4 Pressure (for start)
[3149]1005ps = ps*global_avg_press_new/global_avg_press_PCM
1006ps_start_PCM = ps_start_PCM*global_avg_press_new/global_avg_press_PCM
[2794]1007
[2835]1008! III_a.5 Tracer (for start)
[3028]1009allocate(zplev_new(ngrid,nlayer + 1))
[2835]1010
[3028]1011do l = 1,nlayer + 1
[3149]1012    zplev_new(:,l) = ap(l) + bp(l)*ps_start_PCM
[3028]1013enddo
[2835]1014
[3028]1015do nnq = 1,nqtot
1016    if (noms(nnq) /= "co2") then
1017        do l = 1,llm - 1
1018            do ig = 1,ngrid
[3149]1019                q(ig,l,nnq) = q(ig,l,nnq)*(zplev_PCM(ig,l) - zplev_PCM(ig,l + 1))/(zplev_new(ig,l) - zplev_new(ig,l + 1))
[3028]1020            enddo
1021            q(:,llm,nnq) = q(:,llm - 1,nnq)
1022        enddo
1023    else
1024        do l = 1,llm - 1
1025            do ig = 1,ngrid
[3149]1026                q(ig,l,nnq) = q(ig,l,nnq)*(zplev_PCM(ig,l) - zplev_PCM(ig,l + 1))/(zplev_new(ig,l) - zplev_new(ig,l + 1)) &
1027                              + ((zplev_new(ig,l) - zplev_new(ig,l + 1)) - (zplev_PCM(ig,l) - zplev_PCM(ig,l + 1)))/(zplev_new(ig,l) - zplev_new(ig,l + 1))
[3028]1028            enddo
1029            q(:,llm,nnq) = q(:,llm - 1,nnq)
1030        enddo
1031    endif
1032enddo
[2835]1033
[3096]1034! Conserving the tracers mass for PCM start files
[3028]1035do nnq = 1,nqtot
1036    do ig = 1,ngrid
1037        do l = 1,llm - 1
1038            if (q(ig,l,nnq) > 1 .and. (noms(nnq) /= "dust_number") .and. (noms(nnq) /= "ccn_number") .and. (noms(nnq) /= "stormdust_number") .and. (noms(nnq) /= "topdust_number")) then
[3065]1039                extra_mass = (q(ig,l,nnq) - 1)*(zplev_new(ig,l) - zplev_new(ig,l + 1))
1040                q(ig,l,nnq) = 1.
1041                q(ig,l + 1,nnq) = q(ig,l + 1,nnq) + extra_mass*(zplev_new(ig,l + 1) - zplev_new(ig,l + 2))
[3028]1042                write(*,*) 'extra ',noms(nnq),extra_mass, noms(nnq) /= "dust_number",noms(nnq) /= "ccn_number"
[2835]1043           endif
[3028]1044            if (q(ig,l,nnq) < 0) q(ig,l,nnq) = 1.e-30
1045        enddo
1046    enddo
1047enddo
[2779]1048
[3039]1049if (evol_orbit_pem) call recomp_orb_param(i_myear,year_iter)
[2779]1050
1051!------------------------
[3028]1052! III Output
[3161]1053!    III_b Write "restart_evol.nc" and "restartfi_evol.nc"
[3028]1054!------------------------
[3161]1055! III_b.1 Write "restart_evol.nc"
[3042]1056ptimestep = iphysiq*daysec/real(day_step)/nsplit_phys ! dtphys/nsplit_phys
[3028]1057pday = day_ini
[3042]1058ztime_fin = time_phys
[2779]1059
[3028]1060allocate(p(ip1jmp1,nlayer + 1))
[2980]1061#ifndef CPP_1D
[3028]1062    call pression (ip1jmp1,ap,bp,ps,p)
1063    call massdair(p,masse)
[3039]1064    call dynredem0("restart_evol.nc",day_ini,phis)
1065    call dynredem1("restart_evol.nc",time_0,vcov,ucov,teta,q,masse,ps)
[3028]1066    write(*,*) "restart_evol.nc has been written"
[2980]1067#else
[3069]1068    call writerestart1D('restart1D_evol.txt',ps(1),tsurf(1,:),nlayer,size(tsurf,2),teta,ucov,vcov,nq,noms,qsurf(1,:,:),q)
[3065]1069    write(*,*) "restart1D_evol.txt has been written"
[2980]1070#endif
1071
[3161]1072! III_b.2 Write the "restartfi_evol.nc"
[2842]1073#ifndef CPP_STD
[3028]1074    call physdem0("restartfi_evol.nc",longitude,latitude,nsoilmx,ngrid, &
1075                  nlayer,nq,ptimestep,pday,0.,cell_area,albedodat,      &
1076                  inertiedat,def_slope,subslope_dist)
[3114]1077    call physdem1("restartfi_evol.nc",nsoilmx,ngrid,nlayer,nq,nqsoil, &
1078                  ptimestep,ztime_fin,tsurf,tsoil,inertiesoil,        &
1079                  albedo,emis,q2,qsurf,qsoil,tauscaling,totcloudfrac, &
[3130]1080                  wstar,watercap,perennial_co2ice)
[2842]1081#else
[3028]1082    call physdem0("restartfi_evol.nc",longitude,latitude,nsoilmx,ngrid, &
1083                  nlayer,nq,ptimestep,pday,time_phys,cell_area,         &
1084                  albedo_bareground,inertiedat,zmea,zstd,zsig,zgam,zthe)
[3114]1085    call physdem1("restartfi_evol.nc",nsoilmx,ngrid,nlayer,nq,nqsoil,  &
1086                  ptimestep,ztime_fin,tsurf,tsoil,emis,q2,qsurf,qsoil, &
1087                  cloudfrac,totcloudfrac,hice,rnat,pctsrf_sic,tslab,   &
1088                  tsea_ice,sea_ice)
[2842]1089#endif
[3028]1090write(*,*) "restartfi_evol.nc has been written"
[2842]1091
[2794]1092!------------------------
1093! III Output
[3161]1094!    III_c Write the "restartpem.nc"
[2794]1095!------------------------
[3206]1096call pemdem0("restartpem.nc",longitude,latitude,cell_area,ngrid,nslope,def_slope,subslope_dist)
[3088]1097call pemdem1("restartpem.nc",i_myear,nsoilmx_PEM,ngrid,nslope,tsoil_PEM, &
[3122]1098             TI_PEM, porefillingice_depth,porefillingice_thickness,      &
[3149]1099             co2_adsorbded_phys,h2o_adsorbded_phys,h2o_ice)
[3088]1100write(*,*) "restartpem.nc has been written"
[2779]1101
[3149]1102call info_PEM(year_iter,stopPEM,i_myear,n_myear)
1103
[3039]1104write(*,*) "The PEM has run for", year_iter, "Martian years."
1105write(*,*) "The chained simulation has run for", i_myear, "Martian years =", i_myear*convert_years, "Earth years."
1106write(*,*) "The reached date is now", (year_bp_ini + i_myear)*convert_years, "Earth years."
1107write(*,*) "LL & RV & JBC: so far, so good!"
[2794]1108
[3149]1109deallocate(vmr_co2_PCM,ps_timeseries,tsurf_PCM_timeseries,q_co2_PEM_phys,q_h2o_PEM_phys)
1110deallocate(co2_ice_PCM,watersurf_density_ave,watersoil_density_timeseries,Tsurfavg_before_saved)
[3028]1111deallocate(tsoil_phys_PEM_timeseries,watersoil_density_PEM_timeseries,watersoil_density_PEM_ave)
[3149]1112deallocate(delta_co2_adsorbded,delta_h2o_adsorbded,vmr_co2_PEM_phys,delta_h2o_icetablesublim,porefillingice_thickness_prev_iter)
1113deallocate(co2_ice_ini)
[3028]1114!----------------------------- END OUTPUT ------------------------------
[2897]1115
[2779]1116END PROGRAM pem
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