CESM2.1.5 MARBL Namelist Definitions
Model Version: 2.1.5
Change CESM Version
Component Tag:
cesm2.1-n00
HTML Created:
2024-09-20
Variable | Namelist Group | Category | Entry Type | Valid Values | Possible Default Values | Description and out-of-the-box Default |
---|---|---|---|---|---|---|
bSi_bury_frac_max | 4. general parameters (bury coeffs) | general_parms | real | ['any real'] | 1.0 | maximum bury fraction for bSi |
bury_coeff_rmean_timescale_years | 4. general parameters | general_parms | real | ['any real'] | 10 | Running mean time scale for bury coefficients |
caco3_bury_thres_depth | 4. general parameters | general_parms | real | ['any real'] | 3.0000000000000000e+05 | Threshold depth for CaCO3 burial when opt = 'fixed_depth' |
caco3_bury_thres_omega_calc | 4. general parameters | general_parms | real | ['any real'] | 0.89 | omega calcite threshold for CaCO3 burial when opt = 'omega_calc' |
caco3_bury_thres_opt | 4. general parameters | general_parms | string | ['fixed_depth', 'omega_calc'] | "omega_calc" | Option of threshold of CaCO3 burial |
ciso_fract_factors | 4. general parameters | general_parms | string | ['any string'] | "Laws" | Option for which biological fractionation calculation to use |
ciso_lecovars_full_depth_tavg | 2. config flags | general_parms | logical | ['.true.', '.false.'] | .false. | Control whether carbon isotope variables are written full depth |
ciso_lsource_sink | 2. config flags | general_parms | logical | ['.true.', '.false.'] | .true. | Control which portions of the carbon isotope code are executed (useful for debugging) |
ciso_on | 2. config flags | general_parms | logical | ['.true.', '.false.'] | .false. | Control whether CISO tracer module is active |
gQ_Fe_kFe_thres | 4. general parameters | general_parms | real | ['any real'] | 10.0 | Fe:kFe ratio threshold in uptake ratio computations |
gQ_Si_kSi_thres | 4. general parameters | general_parms | real | ['any real'] | 6.0 | Si:kSi ratio threshold in uptake ratio computations |
gQsi_0 | 4. general parameters | general_parms | real | ['any real'] | 0.137 | initial Si/C ratio for growth |
gQsi_max | 4. general parameters | general_parms | real | ['any real'] | 0.822 | max Si/C ratio for growth |
gQsi_min | 4. general parameters | general_parms | real | ['any real'] | 0.0457 | min Si/C ratio for growth |
Jint_Ctot_thres_molpm2pyr | 4. general parameters | general_parms | real | ['any real'] | 1e-09 | MARBL will abort if abs(Jint_Ctot) exceeds this threshold |
ladjust_bury_coeff | 2. config flags | general_parms | logical | ['.true.', '.false.'] | .false. | Control if bury coefficients are adjusted (rather than constant) |
lcompute_nhx_surface_emis | 2. config flags | general_parms | logical | ['.true.', '.false.'] | .true. | Control if NHx emissions are computed |
lecovars_full_depth_tavg | 2. config flags | general_parms | logical | ['.true.', '.false.'] | .false. | Control whether base ecosystem variables are written full depth |
lflux_gas_co2 | 2. config flags | general_parms | logical | ['.true.', '.false.'] | .true. | Control which portions of code are executed (useful for debugging) |
lflux_gas_o2 | 2. config flags | general_parms | logical | ['.true.', '.false.'] | .true. | Control which portions of code are executed (useful for debugging) |
lo2_consumption_scalef | 2. config flags | general_parms | logical | ['.true.', '.false.'] | .true. | Apply o2_consumption_scalef to o2 consumption (and request it as a forcing) |
lp_remin_scalef | 2. config flags | general_parms | logical | ['.true.', '.false.'] | .false. | Apply p_remin_scalef to particulate remin (and request it as a forcing) |
lsource_sink | 2. config flags | general_parms | logical | ['.true.', '.false.'] | .true. | Control which portions of code are executed (useful for debugging) |
lvariable_PtoC | 2. config flags | general_parms | logical | ['.true.', '.false.'] | .true. | Control if PtoC ratios in autotrophs vary |
o2_sf_o2_range_hi | 4. general parameters | general_parms | real | ['any real'] | 45.0 | o2_scalefactor is applied to diss length scales for O2 less than this |
o2_sf_o2_range_lo | 4. general parameters | general_parms | real | ['any real'] | 5.0 | o2_scalefactor is constant for O2 less than this |
o2_sf_val_lo_o2 | 4. general parameters | general_parms | real | ['any real'] | 2.6 | o2_scalefactor constant for O2 less than o2_sf_o2_range_lo |
parm_CaCO3_diss | 4. general parameters (dissolution) | general_parms | real | ['any real'] | 5.0000000000000000e+04 | Base CaCO3 dissolution length scale |
parm_CaCO3_gamma | 4. general parameters | general_parms | real | ['any real'] | 0.02 | CaCO3 gamma (fraction of production -> hard subclass) |
parm_f_prod_sp_CaCO3 | 4. general parameters | general_parms | real | ['any real'] | 0.07 | Fraction of sp production as CaCO3 production |
parm_Fe_bioavail | 4. general parameters | general_parms | real | ['any real'] | 1.0 | Fraction of Fe flux that is bioavailable |
parm_Fe_desorption_rate0 | 4. general parameters | general_parms | real | ['any real'] | 9.9999999999999995e-07 | Desorption rate for scavenged Fe from particles |
parm_Fe_scavenge_rate0 | 4. general parameters (scavenging) | general_parms | real | ['any real'] | 22.0 | Scavenging base rate for Fe |
parm_FeLig_scavenge_rate0 | 4. general parameters (scavenging) | general_parms | real | ['any real'] | 1.2 | Scavenging base rate for bound iron |
parm_hPOC_CaCO3_ratio | 4. general parameters | general_parms | real | ['any real'] | 0.01 | hPOC to CaCO3 ratio |
parm_hPOC_dust_ratio | 4. general parameters | general_parms | real | ['any real'] | 0.01 | hPOC to dust ratio |
parm_hPOC_SiO2_ratio | 4. general parameters | general_parms | real | ['any real'] | 0.01 | hPOC to SiO2 ratio |
parm_init_bSi_bury_coeff | 4. general parameters (bury coeffs) | general_parms | real | ['any real'] | 1.53 | Initial scale factor for burial of bSi |
parm_init_POC_bury_coeff | 4. general parameters (bury coeffs) | general_parms | real | ['any real'] | 2.54 | Initial scale factor for burial of POC, PON |
parm_init_POP_bury_coeff | 4. general parameters (bury coeffs) | general_parms | real | ['any real'] | 0.36 | Initial scale factor for burial of POP |
parm_kappa_nitrif_per_day | 4. general parameters (nitrification) | general_parms | real | ['any real'] | 0.06 | Nitrification inverse time constant |
parm_labile_ratio | 4. general parameters | general_parms | real | ['any real'] | 0.94 | Fraction of loss to DOC that routed directly to DIC |
parm_Lig_degrade_rate0 | 4. general parameters | general_parms | real | ['any real'] | 9.4e-05 | Fe-binding ligand bacterial degradation base rate coefficient |
parm_Lig_scavenge_rate0 | 4. general parameters (scavenging) | general_parms | real | ['any real'] | 0.015 | Scavenging base rate for bound ligand |
parm_nitrif_par_lim | 4. general parameters (nitrification) | general_parms | real | ['any real'] | 1.0 | PAR limit for nitrification |
parm_o2_min | 4. general parameters | general_parms | real | ['any real'] | 5.0 | Minimum O2 needed for production & consumption |
parm_o2_min_delta | 4. general parameters | general_parms | real | ['any real'] | 5.0 | Width of min O2 range |
parm_POC_diss | 4. general parameters (dissolution) | general_parms | real | ['any real'] | 1.0000000000000000e+04 | Base POC dissolution length scale |
parm_scalelen_vals | 5. Scale lengths | general_parms | real(4) | ['any real(4)'] | [1, 3.6, 4.7, 4.8] | Prescribed scalelen values |
parm_scalelen_z | 5. Scale lengths | general_parms | real(4) | ['any real(4)'] | ['100.0e2', '250.0e2', '500.0e2', '1000.0e2'] | Depths of prescribed scalelen values |
parm_sed_denitrif_coeff | 4. general parameters | general_parms | real | ['any real'] | 1 | Global scaling factor for sed_denitrif |
parm_SiO2_diss | 4. general parameters (dissolution) | general_parms | real | ['any real'] | 6.5000000000000000e+04 | Base SiO2 dissolution length scale |
parm_SiO2_gamma | 4. general parameters | general_parms | real | ['any real'] | 0.0 | SiO2 gamma (fraction of production -> hard subclass) |
particulate_flux_ref_depth | 4. general parameters | general_parms | integer | ['any integer'] | 100 | reference depth for particulate flux diagnostics |
PFT_defaults | 1. config PFTs | general_parms | string | ['CESM2', 'user-specified'] | "CESM2" | Define how PFTs are initialized |
POM_bury_frac_max | 4. general parameters (bury coeffs) | general_parms | real | ['any real'] | 0.8 | maximum bury fraction for POM |
PON_bury_coeff | 4. general parameters (bury coeffs) | general_parms | real | ['any real'] | 0.5 | Scale factor for burial of PON |
init_bury_coeff_opt | 3. config strings | general_parms2 | string | ['any string'] | "settings_file" | Source of initial burial coefficient |
autotroph_cnt | 1. config PFTs | PFT_counts | integer | ['any integer'] | 3 | Number of autotroph classes |
max_grazer_prey_cnt | 1. config PFTs | PFT_counts | integer | ['any integer'] | 3 | Number of grazer prey classes |
zooplankton_cnt | 1. config PFTs | PFT_counts | integer | ['any integer'] | 1 | Number of zooplankton classes |
autotroph_settings%agg_rate_max | 10. autotrophs | PFT_derived_types | dtype(3)%real | ['any real'] | [0.5, 0.5, 0.5] | Maximum agg rate |
autotroph_settings%agg_rate_min | 10. autotrophs | PFT_derived_types | dtype(3)%real | ['any real'] | [0.01, 0.02, 0.01] | Minimum agg rate |
autotroph_settings%alphaPI_per_day | 10. autotrophs | PFT_derived_types | dtype(3)%real | ['any real'] | [0.39, 0.28, 0.39] | Initial slope of P_I curve (GD98) |
autotroph_settings%exp_calcifier | 10. autotrophs | PFT_derived_types | dtype(3)%logical | ['any logical'] | ['.false.', '.false.', '.false.'] | Flag set to true if autotroph explicitly handles calcification |
autotroph_settings%gQfe_0 | 10. autotrophs | PFT_derived_types | dtype(3)%real | ['any real'] | ['30e-6', '30e-6', '60e-6'] | Initial Fe/C ratio for growth |
autotroph_settings%gQfe_min | 10. autotrophs | PFT_derived_types | dtype(3)%real | ['any real'] | [2.5e-06, 2.5e-06, 2.5e-06] | Minimum Fe/C ratio for growth |
autotroph_settings%imp_calcifier | 10. autotrophs | PFT_derived_types | dtype(3)%logical | ['any logical'] | ['.true.', '.false.', '.false.'] | Flag set to true if autotroph implicitly handles calcification |
autotroph_settings%kDOP | 10. autotrophs | PFT_derived_types | dtype(3)%real | ['any real'] | [0.3, 0.5, 0.075] | DOP uptake half-sat constant |
autotroph_settings%kFe | 10. autotrophs | PFT_derived_types | dtype(3)%real | ['any real'] | [3e-05, 7e-05, 4.5e-05] | Fe uptake half-sat constant |
autotroph_settings%kNH4 | 10. autotrophs | PFT_derived_types | dtype(3)%real | ['any real'] | [0.01, 0.05, 0.2] | NH4 uptake half-sat constant |
autotroph_settings%kNO3 | 10. autotrophs | PFT_derived_types | dtype(3)%real | ['any real'] | [0.25, 0.5, 2] | NO3 uptake half-sat constant |
autotroph_settings%kPO4 | 10. autotrophs | PFT_derived_types | dtype(3)%real | ['any real'] | [0.01, 0.05, 0.015] | PO4 uptake half-sat constant |
autotroph_settings%kSiO3 | 10. autotrophs | PFT_derived_types | dtype(3)%real | ['any real'] | [0, 0.7, 0] | SiO3 uptake half-sat constant |
autotroph_settings%lname | 10. autotrophs | PFT_derived_types | dtype(3)%string | ['any string'] | ['Small Phyto', 'Diatom', 'Diazotroph'] | Long name of the autotroph |
autotroph_settings%loss_poc | 10. autotrophs | PFT_derived_types | dtype(3)%real | ['any real'] | [0, 0, 0] | Routing of loss term |
autotroph_settings%loss_thres | 10. autotrophs | PFT_derived_types | dtype(3)%real | ['any real'] | [0.01, 0.02, 0.02] | concentration where losses go to zero |
autotroph_settings%loss_thres2 | 10. autotrophs | PFT_derived_types | dtype(3)%real | ['any real'] | [0, 0, 0.001] | concentration where losses go to zero |
autotroph_settings%mort2_per_day | 10. autotrophs | PFT_derived_types | dtype(3)%real | ['any real'] | [0.01, 0.01, 0.01] | Quadratic mortality rate |
autotroph_settings%mort_per_day | 10. autotrophs | PFT_derived_types | dtype(3)%real | ['any real'] | [0.1, 0.1, 0.1] | Linear mortality rate |
autotroph_settings%Nfixer | 10. autotrophs | PFT_derived_types | dtype(3)%logical | ['any logical'] | ['.false.', '.false.', '.true.'] | Flag set to true if autotroph fixes nitrogen |
autotroph_settings%PCref_per_day | 10. autotrophs | PFT_derived_types | dtype(3)%real | ['any real'] | [5, 5, 2.5] | Maximum C-spec growth rate at Tref |
autotroph_settings%Qp_fixed | 10. autotrophs | PFT_derived_types | dtype(3)%real | ['any real'] | ['1.0/117', '1.0/117', '0.32*(1.0/117)'] | P/C ratio when using fixed P/C ratios |
autotroph_settings%silicifier | 10. autotrophs | PFT_derived_types | dtype(3)%logical | ['any logical'] | ['.false.', '.true.', '.false.'] | Flag set to true if autotroph is a silicifier |
autotroph_settings%sname | 10. autotrophs | PFT_derived_types | dtype(3)%string | ['any string'] | ['sp', 'diat', 'diaz'] | Short name of the autotroph |
autotroph_settings%temp_thres | 10. autotrophs | PFT_derived_types | dtype(3)%real | ['any real'] | [-10, -10, 15] | Temperature where concentration threshold and photosynthesis rate drops |
autotroph_settings%thetaN_max | 10. autotrophs | PFT_derived_types | dtype(3)%real | ['any real'] | [2.5, 4, 2.5] | Maximum thetaN (Chl / N) |
grazing_relationship_settings%auto_ind | 12. grazing | PFT_derived_types | dtype(3,1)%integer(3) | ['any integer(3)'] | [0, 0, 0] | Indices of autotrophs being grazed |
grazing_relationship_settings%auto_ind_cnt | 12. grazing | PFT_derived_types | dtype(3,1)%integer | ['any integer'] | [1, 1, 1] | Number of autotrophs being grazed |
grazing_relationship_settings%f_zoo_detr | 12. grazing | PFT_derived_types | dtype(3,1)%real | ['any real'] | ['1e34', '1e34', '1e34'] | Fraction of zoo losses to detrital |
grazing_relationship_settings%graze_doc | 12. grazing | PFT_derived_types | dtype(3,1)%real | ['any real'] | ['1e34', '1e34', '1e34'] | Routing of grazed term, remainder goes to dic |
grazing_relationship_settings%graze_poc | 12. grazing | PFT_derived_types | dtype(3,1)%real | ['any real'] | ['1e34', '1e34', '1e34'] | Routing of grazed term, remainder goes to dic |
grazing_relationship_settings%graze_zoo | 12. grazing | PFT_derived_types | dtype(3,1)%real | ['any real'] | ['1e34', '1e34', '1e34'] | Routing of grazed term, remainder goes to dic |
grazing_relationship_settings%grazing_function | 12. grazing | PFT_derived_types | dtype(3,1)%integer | ['any integer'] | [1, 1, 1] | Functional form of grazing parameterization |
grazing_relationship_settings%lname | 12. grazing | PFT_derived_types | dtype(3,1)%string | ['any string'] | ['UNSET', 'UNSET', 'UNSET'] | Long name of the grazing relationship |
grazing_relationship_settings%sname | 12. grazing | PFT_derived_types | dtype(3,1)%string | ['any string'] | ['UNSET', 'UNSET', 'UNSET'] | Short name of the grazing relationship |
grazing_relationship_settings%z_grz | 12. grazing | PFT_derived_types | dtype(3,1)%real | ['any real'] | ['1e34', '1e34', '1e34'] | Grazing coefficient |
grazing_relationship_settings%z_umax_0_per_day | 12. grazing | PFT_derived_types | dtype(3,1)%real | ['any real'] | ['1e34', '1e34', '1e34'] | Max zoo growth rate at tref |
grazing_relationship_settings%zoo_ind | 12. grazing | PFT_derived_types | dtype(3,1)%integer(1) | ['any integer(1)'] | [0, 0, 0] | Indices of zooplankton being grazed |
grazing_relationship_settings%zoo_ind_cnt | 12. grazing | PFT_derived_types | dtype(3,1)%integer | ['any integer'] | [0, 0, 0] | Number of zooplankton being grazed |
zooplankton_settings%lname | 11. zooplankton | PFT_derived_types | dtype(1)%string | ['any string'] | ['Zooplankton'] | Long name of the zooplankton |
zooplankton_settings%loss_thres | 11. zooplankton | PFT_derived_types | dtype(1)%real | ['any real'] | [0.075] | Zoo concentration where losses go to zero |
zooplankton_settings%sname | 11. zooplankton | PFT_derived_types | dtype(1)%string | ['any string'] | ['zoo'] | Short name of the zooplankton |
zooplankton_settings%z_mort2_0_per_day | 11. zooplankton | PFT_derived_types | dtype(1)%real | ['any real'] | [0.4] | Quadratic mortality rate |
zooplankton_settings%z_mort_0_per_day | 11. zooplankton | PFT_derived_types | dtype(1)%real | ['any real'] | [0.1] | Linear mortality rate |
tracer_restore_vars | 20. tracer restoring | tracer_dependent | string(32) | ['any string(32)'] | ['PO4', 'NO3', 'SiO3', 'ALK', 'ALK_ALT_CO2'] | Tracer names for tracers that are restored |
Variable | Namelist Group | Category | Entry Type | Valid Values | Possible Default Values | Description and out-of-the-box Default |