# #************************************************************************** # Namelist for ORCHIDEE #************************************************************************** # # #************************************************************************** # OPTIONS NOT SET #************************************************************************** # # #************************************************************************** # Management of display in the run of ORCHIDEE #************************************************************************** # Model chatting level # level of online diagnostics in STOMATE (0-4) # With this variable, you can determine how much online information STOMATE # gives during the run. 0 means virtually no info. BAVARD = 1 # default = 1 # Flag for debug information # This option allows to switch on the output of debug # information without recompiling the code. DEBUG_INFO = n #default = n # ORCHIDEE will print more messages # This flag permits to print more debug messages in the run. LONGPRINT = n #default = n #--------------------------------------------------------------------- # To reset the time coming from SECHIBA restart file # This option allows the model to override the time # found in the restart file of SECHIBA with the time # of the first call. That is the restart time of the GCM. SECHIBA_reset_time = y # default = n #************************************************************************** # Files : incoming / forcing / restart /output #************************************************************************** # Ancillary files : #--------------------------------------------------------------------- # Name of file from which the vegetation map is to be read # If !IMPOSE_VEG # If LAND_USE # default = pft_new.nc # The name of the file to be opened to read a vegetation # map (in pft) is to be given here. # If !LAND_USE # default = ../surfmap/carteveg5km.nc # The name of the file to be opened to read the vegetation # map is to be given here. Usualy SECHIBA runs with a 5kmx5km # map which is derived from the IGBP one. We assume that we have # a classification in 87 types. This is Olson modified by Viovy. VEGETATION_FILE = PFTmap.nc # Name of file from which the bare soil albedo # If !IMPOSE_AZE # The name of the file to be opened to read the soil types from # which we derive then the bare soil albedos. This file is 1x1 # deg and based on the soil colors defined by Wilson and Henderson-Seller. SOILALB_FILE = soils_param.nc # default = ../surfmap/soils_param.nc # Name of file from which soil types are read # If !IMPOSE_VEG # The name of the file to be opened to read the soil types. # The data from this file is then interpolated to the grid of # of the model. The aim is to get fractions for sand loam and # clay in each grid box. This information is used for soil hydrology # and respiration. # This parameter change name in newer ORCHIDEE versions; SOILTYPE_FILE=>SOILCLASS_FILE SOILTYPE_FILE = soils_param.nc SOILCLASS_FILE= soils_param.nc # default = ../surfmap/soils_param.nc # Name of file from which the reference # The name of the file to be opened to read # temperature is read # the reference surface temperature. # The data from this file is then interpolated # to the grid of the model. # The aim is to get a reference temperature either # to initialize the corresponding prognostic model # variable correctly (ok_dgvm = TRUE) or to impose it # as boundary condition (ok_dgvm = FALSE) REFTEMP_FILE = reftemp.nc # default = reftemp.nc # Name of file containg information about topography. TOPOGRAPHY_FILE =cartepente2d_15min.nc # Input and output restart file for SECHIBA : #--------------------------------------------------------------------- # Name of restart to READ for initial conditions # This is the name of the file which will be opened # to extract the initial values of all prognostic # values of the model. This has to be a netCDF file. # Not truly COADS compliant. NONE will mean that # no restart file is to be expected. SECHIBA_restart_in = _AUTO_ # default = NONE # Name of restart files to be created by SECHIBA # This variable give the name for the restart files. # The restart software within IOIPSL will add .nc if needed. SECHIBA_rest_out = sechiba_rest_out.nc # default = sechiba_rest_out.nc # Input and output restart file for STOMATE : #--------------------------------------------------------------------- # Name of restart to READ for initial conditions of STOMATE # If STOMATE_OK_STOMATE || STOMATE_WATCHOUT # This is the name of the file which will be opened of STOMATE # to extract the initial values of all prognostic values of STOMATE. STOMATE_RESTART_FILEIN = _AUTO_ # default = NONE # Name of restart files to be created by STOMATE # If STOMATE_OK_STOMATE || STOMATE_WATCHOUT # This is the name of the file which will be opened # to write the final values of all prognostic values # of STOMATE. STOMATE_RESTART_FILEOUT = stomate_rest_out.nc # default = stomate_restart.nc # Forcing files for TESTSTOMATE and FORCESOIL #--------------------------------------------------------------------- # Name of STOMATE's forcing file # Name that will be given to STOMATE's offline forcing file #STOMATE_FORCING_NAME = stomate_forcing.nc #default = NONE # Size of STOMATE forcing data in memory (MB) # This variable determines how many # forcing states will be kept in memory. # Must be a compromise between memory # use and frequeny of disk access. STOMATE_FORCING_MEMSIZE = 50 # default = 50 # Name of STOMATE's carbon forcing file # Name that will be given to STOMATE's carbon offline forcing file #STOMATE_CFORCING_NAME = stomate_Cforcing.nc # default = NONE # Produced forcing file name (SECHIBA puis STOMATE) : #--------------------------------------------------------------------- # ORCHIDEE will write out its forcing to a file # This flag allows to write to a file all the variables # which are used to force the land-surface. The file # has exactly the same format than a normal off-line forcing # and thus this forcing can be used for forcing ORCHIDEE. #ORCHIDEE_WATCHOUT = y # default = n # Filenane for the ORCHIDEE forcing file # If ORCHIDEE_WATCHOUT # This is the name of the file in which the # forcing used here will be written for later use. WATCHOUT_FILE = orchidee_watchout.nc # default = orchidee_watchout.nc # ORCHIDEE will write out with this frequency # If ORCHIDEE_WATCHOUT # This flag indicates the frequency of the write of the variables. DT_WATCHOUT = 1800 # default = dt # STOMATE does minimum service # set to TRUE if you want STOMATE to read # and write its start files and keep track # of longer-term biometeorological variables. # This is useful if OK_STOMATE is not set, # but if you intend to activate STOMATE later. # In that case, this run can serve as a # spinup for longer-term biometeorological # variables. #STOMATE_WATCHOUT = y # default = n # Output file name (SECHIBA and STOMATE) : #--------------------------------------------------------------------- # Name of file in which the output is going # This file is going to be created by the model # to be written # and will contain the output from the model. # This file is a truly COADS compliant netCDF file. # It will be generated by the hist software from # the IOIPSL package. OUTPUT_FILE = sechiba_history.nc # default = cabauw_out.nc # Flag to switch on histfile 2 for SECHIBA (hi-frequency ?) # This Flag switch on the second SECHIBA writing for hi (or low) # frequency writing. This second output is optional and not written # by default. SECHIBA_HISTFILE2 = _AUTO_ # default = FALSE # Name of file in which the output number 2 is going # to be written # If SECHIBA_HISTFILE2 # This file is going to be created by the model # and will contain the output 2 from the model. SECHIBA_OUTPUT_FILE2 = sechiba_out_2.nc # default = sechiba_out_2.nc # Name of file in which STOMATE's output is going to be written # This file is going to be created by the model # and will contain the output from the model. # This file is a truly COADS compliant netCDF file. # It will be generated by the hist software from # the IOIPSL package. STOMATE_OUTPUT_FILE = stomate_history.nc # default = stomate_history.nc # Write levels for outputs files (number of variables) : #--------------------------------------------------------------------- # SECHIBA history output level (0..10) # Chooses the list of variables in the history file. # Values between 0: nothing is written; 10: everything is # written are available More details can be found on the web under documentation. # web under documentation. SECHIBA_HISTLEVEL = _AUTO_ # default = 5 # SECHIBA history 2 output level (0..10) # If SECHIBA_HISTFILE2 # Chooses the list of variables in the history file. # Values between 0: nothing is written; 10: everything is # written are available More details can be found on the web under documentation. # web under documentation. # First level contains all ORCHIDEE outputs. SECHIBA_HISTLEVEL2 = _AUTO_ # default = 1 # STOMATE history output level (0..10) # 0: nothing is written; 10: everything is written STOMATE_HISTLEVEL = _AUTO_ # default = 10 #-------------------------------------------------------------------- # STOMATE_IPCC_OUTPUT_FILE # This file is going to be created by the model # and will contain the output from the model. # This file is a truly COADS compliant netCDF file. # It will be generated by the hist software from # the IOIPSL package. # Name of file in which STOMATE's output is going # to be written STOMATE_IPCC_OUTPUT_FILE = stomate_ipcc_history.nc # default = stomate_ipcc_history.nc # STOMATE_IPCC_HIST_DT # Time step of the STOMATE IPCC history file # STOMATE IPCC history time step (d) STOMATE_IPCC_HIST_DT = -1 # default = 0. # Write frequency for output files (SECHIBA in seconds et # STOMATE in days) : #--------------------------------------------------------------------- # Frequency in seconds at which to WRITE output # This variables gives the frequency the output of # the model should be written into the netCDF file. # It does not affect the frequency at which the # operations such as averaging are done. WRITE_STEP = _AUTO_ # default = 86400.0 # Frequency in seconds at which to WRITE output # If SECHIBA_HISTFILE2 # This variables gives the frequency the output 2 of # the model should be written into the netCDF file. # It does not affect the frequency at which the # operations such as averaging are done. # That is IF the coding of the calls to histdef # are correct ! WRITE_STEP2 = _AUTO_ # default = 1800.0 # STOMATE history time step (d) # Time step of the STOMATE history file # Care : this variable must be higher than DT_SLOW STOMATE_HIST_DT = _AUTO_ # default = 10. #--------------------------------------------------------------------- # FORCESOIL CARBON spin up parametrization #--------------------------------------------------------------------- # Number of time steps per year for carbon spinup. FORCESOIL_STEP_PER_YEAR = 12 # default = 12 # Number of years saved for carbon spinup. FORCESOIL_NB_YEAR = 1 # default = 1 #--------------------------------------------------------------------- # Parametrization : #--------------------------------------------------------------------- # Activate STOMATE? # set to TRUE if STOMATE is to be activated # STOMATE_OK_STOMATE=_AUTO_ : will be set to y if stomate component SBG is activated in config.card STOMATE_OK_STOMATE = n # default = n # Activate DGVM? # set to TRUE if Dynamic Vegetation DGVM is to be activated STOMATE_OK_DGVM = n # default = n # Activate CO2? # set to TRUE if photosynthesis is to be activated STOMATE_OK_CO2 = y # default = n # Flag to force the value of atmospheric CO2 for vegetation. # If this flag is set to true, the ATM_CO2 parameter is used # to prescribe the atmospheric CO2. # This Flag is only use in couple mode. FORCE_CO2_VEG = FALSE # default = FALSE # Value for atm CO2. # If FORCE_CO2_VEG (in not forced mode) # Value to prescribe the atm CO2. # For pre-industrial simulations, the value is 286.2 . # 348. for 1990 year. ATM_CO2 = 350. # default = 350. # constant tree mortality # If yes, then a constant mortality is applied to trees. # Otherwise, mortality is a function of the trees' # vigour (as in LPJ). LPJ_GAP_CONST_MORT = y # default = y # no fire allowed # With this variable, you can allow or not # the estimation of CO2 lost by fire FIRE_DISABLE = n # default = n # Average method for z0 # If this flag is set to true (y) then the neutral Cdrag # is averaged instead of the log(z0). This should be # the prefered option. We still wish to keep the other # option so we can come back if needed. If this is # desired then one should set Z0CDRAG_AVE = n Z0CDRAG_AVE = y # default = y # parameters describing the surface (vegetation + soil) : #--------------------------------------------------------------------- # # Should the vegetation be prescribed # This flag allows the user to impose a vegetation distribution # and its characterisitcs. It is espacially interesting for 0D # simulations. On the globe it does not make too much sense as # it imposes the same vegetation everywhere IMPOSE_VEG = n # default = n # Flag to use old "interpolation" of vegetation map. # IF NOT IMPOSE_VEG and NOT LAND_USE # If you want to recover the old (ie orchidee_1_2 branch) # "interpolation" of vegetation map. SLOWPROC_VEGET_OLD_INTERPOL = n # default = n # Vegetation distribution within the mesh (0-dim mode) # If IMPOSE_VEG # The fraction of vegetation is read from the restart file. If # it is not found there we will use the values provided here. SECHIBA_VEG__01 = 0.2 SECHIBA_VEG__02 = 0.0 SECHIBA_VEG__03 = 0.0 SECHIBA_VEG__04 = 0.0 SECHIBA_VEG__05 = 0.0 SECHIBA_VEG__06 = 0.0 SECHIBA_VEG__07 = 0.0 SECHIBA_VEG__08 = 0.0 SECHIBA_VEG__09 = 0.0 SECHIBA_VEG__10 = 0.8 SECHIBA_VEG__11 = 0.0 SECHIBA_VEG__12 = 0.0 SECHIBA_VEG__13 = 0.0 # default = 0.2, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.8, 0.0, 0.0, 0.0 # Maximum vegetation distribution within the mesh (0-dim mode) # If IMPOSE_VEG # The fraction of vegetation is read from the restart file. If # it is not found there we will use the values provided here. SECHIBA_VEGMAX__01 = 0.2 SECHIBA_VEGMAX__02 = 0.0 SECHIBA_VEGMAX__03 = 0.0 SECHIBA_VEGMAX__04 = 0.0 SECHIBA_VEGMAX__05 = 0.0 SECHIBA_VEGMAX__06 = 0.0 SECHIBA_VEGMAX__07 = 0.0 SECHIBA_VEGMAX__08 = 0.0 SECHIBA_VEGMAX__09 = 0.0 SECHIBA_VEGMAX__10 = 0.8 SECHIBA_VEGMAX__11 = 0.0 SECHIBA_VEGMAX__12 = 0.0 SECHIBA_VEGMAX__13 = 0.0 # default = 0.2, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.8, 0.0, 0.0, 0.0 # LAI for all vegetation types (0-dim mode) # If IMPOSE_VEG # The maximum LAI used in the 0dim mode. The values should be found # in the restart file. The new values of LAI will be computed anyway # at the end of the current day. The need for this variable is caused # by the fact that the model may stop during a day and thus we have not # yet been through the routines which compute the new surface conditions. SECHIBA_LAI__01 = 0. SECHIBA_LAI__02 = 8. SECHIBA_LAI__03 = 8. SECHIBA_LAI__04 = 4. SECHIBA_LAI__05 = 4.5 SECHIBA_LAI__06 = 4.5 SECHIBA_LAI__07 = 4. SECHIBA_LAI__08 = 4.5 SECHIBA_LAI__09 = 4. SECHIBA_LAI__10 = 2. SECHIBA_LAI__11 = 2. SECHIBA_LAI__12 = 2. SECHIBA_LAI__13 = 2. # default = 0., 8., 8., 4., 4.5, 4.5, 4., 4.5, 4., 2., 2., 2., 2. # Height for all vegetation types (m) # If IMPOSE_VEG # The height used in the 0dim mode. The values should be found # in the restart file. The new values of height will be computed anyway # at the end of the current day. The need for this variable is caused # by the fact that the model may stop during a day and thus we have not # yet been through the routines which compute the new surface conditions. SLOWPROC_HEIGHT__01 = 0. SLOWPROC_HEIGHT__02 = 50. SLOWPROC_HEIGHT__03 = 50. SLOWPROC_HEIGHT__04 = 30. SLOWPROC_HEIGHT__05 = 30. SLOWPROC_HEIGHT__06 = 30. SLOWPROC_HEIGHT__07 = 20. SLOWPROC_HEIGHT__08 = 20. SLOWPROC_HEIGHT__09 = 20. SLOWPROC_HEIGHT__10 = .2 SLOWPROC_HEIGHT__11 = .2 SLOWPROC_HEIGHT__12 = .4 SLOWPROC_HEIGHT__13 = .4 # default = 0., 30., 30., 20., 20., 20., 15., 15., 15., .5, .6, 1.0, 1.0 # Fraction of the 3 soil types (0-dim mode) # If IMPOSE_VEG # Determines the fraction for the 3 soil types # in the mesh in the following order : sand loam and clay. SOIL_FRACTIONS__01 = 0.28 SOIL_FRACTIONS__02 = 0.52 SOIL_FRACTIONS__03 = 0.20 # default = 0.28, 0.52, 0.20 # Fraction of other surface types within the mesh (0-dim mode) # If IMPOSE_VEG # The fraction of ice, lakes, etc. is read from the restart file. If # it is not found there we will use the values provided here. # For the moment, there is only ice. SECHIBA_FRAC_NOBIO = 0.0 # default = 0.0 # Fraction of the clay fraction (0-dim mode) # If IMPOSE_VEG # Determines the fraction of clay in the grid box. CLAY_FRACTION = 0.2 # default = 0.2 # Should the surface parameters be prescribed # This flag allows the user to impose the surface parameters # (Albedo Roughness and Emissivity). It is espacially interesting for 0D # simulations. On the globe it does not make too much sense as # it imposes the same vegetation everywhere IMPOSE_AZE = n # default = n # Emissivity of the surface for LW radiation # If IMPOSE_AZE # The surface emissivity used for compution the LE emission # of the surface in a 0-dim version. Values range between # 0.97 and 1.. The GCM uses 0.98. CONDVEG_EMIS = 1.0 # default = 1.0 # SW visible albedo for the surface # If IMPOSE_AZE # Surface albedo in visible wavelengths to be used # on the point if a 0-dim version of SECHIBA is used. # Look at the description of the forcing data for # the correct value. CONDVEG_ALBVIS = 0.25 # default = 0.25 # SW near infrared albedo for the surface # If IMPOSE_AZE # Surface albedo in near infrared wavelengths to be used # on the point if a 0-dim version of SECHIBA is used. # Look at the description of the forcing data for # the correct value. CONDVEG_ALBNIR = 0.25 # default = 0.25 # Surface roughness (m) # If IMPOSE_AZE # Surface rougness to be used on the point if a 0-dim version # of SECHIBA is used. Look at the description of the forcing # data for the correct value. CONDVEG_Z0 = 0.15 # default = 0.15_stnd # Height to be added to the height of the first level (m) # If IMPOSE_AZE # ORCHIDEE assumes that the atmospheric level height is counted # from the zero wind level. Thus to take into account the roughness # of tall vegetation we need to correct this by a certain fraction # of the vegetation height. This is called the roughness height in # ORCHIDEE talk. ROUGHHEIGHT = 0.0 # default = 0.0 # The snow albedo used by SECHIBA # This option allows the user to impose a snow albedo. # Default behaviour is to use the model of snow albedo # developed by Chalita (1993). CONDVEG_SNOWA = default # default = use the model of snow albedo developed by Chalita # Switch bare soil albedo dependent (if TRUE) on soil wetness # If TRUE, the model for bare soil albedo is the old formulation. # Then it depend on the soil dry or wetness. If FALSE, it is the # new computation that is taken, it is only function of soil color. ALB_BARE_MODEL = FALSE # default = FALSE # Initial snow mass if not found in restart # The initial value of snow mass if its value is not found # in the restart file. This should only be used if the model is # started without a restart file. HYDROL_SNOW = 0.0 # default = 0.0 # Initial snow age if not found in restart # The initial value of snow age if its value is not found # in the restart file. This should only be used if the model is # started without a restart file. HYDROL_SNOWAGE = 0.0 # default = 0.0 # Initial snow amount on ice, lakes, etc. if not found in restart # The initial value of snow if its value is not found # in the restart file. This should only be used if the model is # started without a restart file. HYDROL_SNOW_NOBIO = 0.0 # default = 0.0 # Initial snow age on ice, lakes, etc. if not found in restart # The initial value of snow age if its value is not found # in the restart file. This should only be used if the model is # started without a restart file. HYDROL_SNOW_NOBIO_AGE = 0.0 # default = 0.0 # Initial soil moisture stress if not found in restart # The initial value of soil moisture stress if its value is not found # in the restart file. This should only be used if the model is # started without a restart file. HYDROL_HUMR = 1.0 # default = 1.0 # Total depth of soil reservoir HYDROL_SOIL_DEPTH = 2. # default = 2. # Root profile # Default values were defined for 2 meters soil depth. # For 4 meters soil depth, you may use those ones : # 5., .4, .4, 1., .8, .8, 1., 1., .8, 4., 1., 4., 1. HYDROL_HUMCSTE= 5.0, 0.8, 0.8, 1.0, 0.8, 0.8, 1.0, 1.0, 0.8, 4.0, 4.0, 4.0, 4.0 # default = 5., .8, .8, 1., .8, .8, 1., 1., .8, 4., 4., 4., 4. # Initial restart deep soil moisture if not found in restart # The initial value of deep soil moisture if its value is not found # in the restart file. This should only be used if the model is # started without a restart file. Default behaviour is a saturated soil. HYDROL_BQSB = default # default = Maximum quantity of water (Kg/M3) * Total depth of soil reservoir = 150. * 2 # Initial upper soil moisture if not found in restart # The initial value of upper soil moisture if its value is not found # in the restart file. This should only be used if the model is # started without a restart file. HYDROL_GQSB = 0.0 # default = 0.0 # Initial upper reservoir depth if not found in restart # The initial value of upper reservoir depth if its value is not found # in the restart file. This should only be used if the model is # started without a restart file. HYDROL_DSG = 0.0 # default = 0.0 # Initial dry soil above upper reservoir if not found in restart # The initial value of dry soil above upper reservoir if its value # in the restart file. This should only be used if the model is # started without a restart file. The default behaviour # is to compute it from the variables above. Should be OK most of # the time. HYDROL_DSP = default # default = Total depth of soil reservoir - HYDROL_BQSB / Maximum quantity of water (Kg/M3) = 0.0 # Initial water on canopy if not found in restart # The initial value of moisture on canopy if its value # in the restart file. This should only be used if the model is # started without a restart file. HYDROL_QSV = 0.0 # default = 0.0 # Soil moisture on each soil tile and levels # The initial value of mc if its value is not found # in the restart file. This should only be used if the model is # started without a restart file. HYDROL_MOISTURE_CONTENT = 0.3 # default = 0.3 # US_NVM_NSTM_NSLM # The initial value of us (relative moisture) if its value is not found # in the restart file. This should only be used if the model is # started without a restart file. US_INIT = 0.0 # default = 0.0 # Coefficient for free drainage at bottom # The initial value of free drainage if its value is not found # in the restart file. This should only be used if the model is # started without a restart file. FREE_DRAIN_COEF = 1.0, 1.0, 1.0 # default = 1.0, 1.0, 1.0 # Bare soil evap on each soil if not found in restart # The initial value of bare soils evap if its value is not found # in the restart file. This should only be used if the model is # started without a restart file. EVAPNU_SOIL = 0.0 # default = 0.0 # Initial temperature if not found in restart # The initial value of surface temperature if its value is not found # in the restart file. This should only be used if the model is # started without a restart file. ENERBIL_TSURF = 280. # default = 280. # Initial Soil Potential Evaporation # The initial value of soil potential evaporation if its value # is not found in the restart file. This should only be used if # the model is started without a restart file. ENERBIL_EVAPOT = 0.0 # default = 0.0 # Initial soil temperature profile if not found in restart # The initial value of the temperature profile in the soil if # its value is not found in the restart file. This should only # be used if the model is started without a restart file. Here # we only require one value as we will assume a constant # throughout the column. THERMOSOIL_TPRO = 280. # default = 280. # Initial leaf CO2 level if not found in restart # The initial value of leaf_ci if its value is not found # in the restart file. This should only be used if the model is # started without a restart file. DIFFUCO_LEAFCI = 233. # default = 233. # Keep cdrag coefficient from gcm. # Set to .TRUE. if you want q_cdrag coming from GCM. # Keep cdrag coefficient from gcm for latent and sensible heat fluxes. # TRUE if q_cdrag on initialization is non zero (FALSE for off-line runs). CDRAG_FROM_GCM = y # default = IF q_cdrag == 0 ldq_cdrag_from_gcm = .FALSE. ELSE .TRUE. # Artificial parameter to increase or decrease canopy resistance # Add from Nathalie - the 28 of March 2006 - advice from Fred Hourdin # By PFT. RVEG_PFT = 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1. # default = 1. # Interception reservoir coefficient. # Transforms leaf area index into size of interception reservoir # for slowproc_derivvar or stomate. SECHIBA_QSINT = 0.02 # default = 0.1 #************************************************************************** # LAND_USE #************************************************************************** # Read a land_use vegetation map # pft values are needed, max time axis is 293 LAND_USE = y # default = n # Year of the land_use vegetation map readed # year off the pft map # If LAND_USE (11 = 1860 - 1850 +1 for PFTmap.20C3M.nc, 1 for PFTmap_IPCC_2000.nc) VEGET_YEAR = 1 # default = 282 # booleen to indicate that a new LAND USE file will be used (since 1.9.5 version). # The parameter is used to bypass veget_year count # and reinitialize it with VEGET_YEAR parameter. # Then it is possible to change LAND USE file. # If LAND_USE VEGET_REINIT = n # default = n # Update vegetation frequency (since 2.0 version) # The veget datas will be update each this time step. # If LAND_USE VEGET_UPDATE = _AUTO_ # default = 1Y # treat land use modifications # With this variable, you can use a Land Use map # to simulate anthropic modifications such as # deforestation. # If LAND_USE LAND_COVER_CHANGE = _AUTO_ # default = y #************************************************************************** # agriculture allowed? # With this variable, you can determine # whether agriculture is allowed AGRICULTURE = y # default = y # Harvert model for agricol PFTs. # Compute harvest above ground biomass for agriculture. # Change daily turnover. HARVEST_AGRI = y # default = y # herbivores allowed? # With this variable, you can activate herbivores HERBIVORES = n # default = n # treat expansion of PFTs across a grid cell? # With this variable, you can determine # whether we treat expansion of PFTs across a # grid cell. TREAT_EXPANSION = n # default = n #************************************************************************** # Time within the day simulated # This is the time spent simulating the current day. This variable is # prognostic as it will trigger all the computations which are # only done once a day. SECHIBA_DAY = 0.0 # default = 0.0 # Time step of STOMATE and other slow processes # Time step (s) of regular update of vegetation # cover, LAI etc. This is also the time step # of STOMATE. DT_SLOW = 86400. # default = un_jour = 86400. #************************************************************************** # Allows to switch on the multilayer hydrology of CWRR # This flag allows the user to decide if the vertical # hydrology should be treated using the multi-layer # diffusion scheme adapted from CWRR by Patricia de Rosnay. # by default the Choisnel hydrology is used. HYDROL_CWRR = y # default = n # do horizontal diffusion? # If TRUE, then water can diffuse horizontally between # the PFTs' water reservoirs. HYDROL_OK_HDIFF = n # default = n # time scale (s) for horizontal diffusion of water # If HYDROL_OK_HDIFF # Defines how fast diffusion occurs horizontally between # the individual PFTs' water reservoirs. If infinite, no # diffusion. HYDROL_TAU_HDIFF = 1800. # default = 86400. # Percent by PFT of precip that is not intercepted by the canopy (since TAG 1.8). # During one rainfall event, PERCENT_THROUGHFALL_PFT% of the incident rainfall # will get directly to the ground without being intercepted, for each PFT.. PERCENT_THROUGHFALL_PFT = 30., 30., 30., 30., 30., 30., 30., 30., 30., 30., 30., 30., 30. # default = 30., 30., 30., 30., 30., 30., 30., 30., 30., 30., 30., 30., 30. # Decides if we route the water or not # This flag allows the user to decide if the runoff # and drainage should be routed to the ocean # and to downstream grid boxes. RIVER_ROUTING = y # default = n # Name of file which contains the routing information # The file provided here should allow the routing module to # read the high resolution grid of basins and the flow direction # from one mesh to the other. ROUTING_FILE = routing.nc # default = routing.nc # Time step of the routing scheme # If RIVER_ROUTING # This values gives the time step in seconds of the routing scheme. # It should be multiple of the main time step of ORCHIDEE. One day # is a good value. ROUTING_TIMESTEP = 86400 # default = 86400 # Number of rivers # If RIVER_ROUTING # This parameter chooses the number of largest river basins # which should be treated as independently as rivers and not # flow into the oceans as diffusion coastal flow. ROUTING_RIVERS = 50 # default = 50 # Should we compute an irrigation flux # This parameters allows the user to ask the model # to compute an irigation flux. This performed for the # on very simple hypothesis. The idea is to have a good # map of irrigated areas and a simple function which estimates # the need to irrigate. DO_IRRIGATION = n # default = n # Name of file which contains the map of irrigated areas # If IRRIGATE # The name of the file to be opened to read the field # with the area in m^2 of the area irrigated within each # 0.5 0.5 deg grid box. The map currently used is the one # developed by the Center for Environmental Systems Research # in Kassel (1995). IRRIGATION_FILE = irrigated.nc # default = irrigated.nc # Should we include floodplains # This parameters allows the user to ask the model # to take into account the flood plains and return # the water into the soil moisture. It then can go # back to the atmopshere. This tried to simulate # internal deltas of rivers. DO_FLOODPLAINS = n # default = n #**************************************************************************