| 1 | !!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 2 | !! NEMO/OPA Configuration namelist : used to overwrite defaults values defined in SHARED/namelist_ref |
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| 3 | !!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 4 | !----------------------------------------------------------------------- |
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| 5 | &namrun ! parameters of the run |
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| 6 | !----------------------------------------------------------------------- |
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| 7 | nn_no = 0 ! job number (no more used...) |
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| 8 | cn_exp = "ORCA2" ! experience name |
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| 9 | nn_it000 = 1 ! first time step |
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| 10 | nn_itend = 5475 ! last time step (std 5475) |
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| 11 | / |
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| 12 | !----------------------------------------------------------------------- |
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| 13 | &namcfg ! parameters of the configuration |
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| 14 | !----------------------------------------------------------------------- |
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| 15 | ln_read_cfg = .true. ! (=T) read the domain configuration file |
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| 16 | ! ! (=F) user defined configuration ==>>> see usrdef(_...) modules |
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| 17 | cn_domcfg = "ORCA_R2_zps_domcfg" ! domain configuration filename |
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| 18 | / |
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| 19 | !----------------------------------------------------------------------- |
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| 20 | &namdom ! space and time domain (bathymetry, mesh, timestep) |
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| 21 | !----------------------------------------------------------------------- |
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| 22 | ln_linssh = .false. ! =T linear free surface ==>> model level are fixed in time |
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| 23 | ! |
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| 24 | nn_msh = 0 ! create (>0) a mesh file or not (=0) |
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| 25 | ! |
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| 26 | / |
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| 27 | !----------------------------------------------------------------------- |
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| 28 | &namcrs ! coarsened grid (for outputs and/or TOP) (ln_crs =T) |
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| 29 | !----------------------------------------------------------------------- |
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| 30 | / |
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| 31 | !----------------------------------------------------------------------- |
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| 32 | &namtsd ! data : Temperature & Salinity |
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| 33 | !----------------------------------------------------------------------- |
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| 34 | / |
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| 35 | !----------------------------------------------------------------------- |
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| 36 | &namsbc ! Surface Boundary Condition (surface module) |
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| 37 | !----------------------------------------------------------------------- |
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| 38 | ln_blk = .true. ! Bulk formulation (T => fill namsbc_blk ) |
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| 39 | / |
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| 40 | !----------------------------------------------------------------------- |
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| 41 | &namsbc_blk ! namsbc_blk Bulk formulae |
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| 42 | !----------------------------------------------------------------------- |
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| 43 | ln_NCAR = .true. ! "NCAR" algorithm (Large and Yeager 2008) |
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| 44 | / |
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| 45 | !----------------------------------------------------------------------- |
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| 46 | &namtra_qsr ! penetrative solar radiation |
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| 47 | !----------------------------------------------------------------------- |
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| 48 | / |
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| 49 | !----------------------------------------------------------------------- |
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| 50 | &namsbc_cpl |
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| 51 | !----------------------------------------------------------------------- |
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| 52 | / |
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| 53 | !----------------------------------------------------------------------- |
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| 54 | &namsbc_rnf ! runoffs namelist surface boundary condition |
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| 55 | !----------------------------------------------------------------------- |
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| 56 | / |
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| 57 | !----------------------------------------------------------------------- |
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| 58 | &namsbc_ssr ! surface boundary condition : sea surface restoring |
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| 59 | !----------------------------------------------------------------------- |
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| 60 | / |
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| 61 | !----------------------------------------------------------------------- |
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| 62 | &namsbc_alb ! albedo parameters |
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| 63 | !----------------------------------------------------------------------- |
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| 64 | / |
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| 65 | !----------------------------------------------------------------------- |
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| 66 | &namberg ! iceberg parameters |
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| 67 | !----------------------------------------------------------------------- |
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| 68 | ln_icebergs = .true. ! iceberg floats or not |
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| 69 | ln_bergdia = .true. ! Calculate budgets |
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| 70 | nn_verbose_level = 1 ! Turn on more verbose output if level > 0 |
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| 71 | nn_verbose_write = 15 ! Timesteps between verbose messages |
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| 72 | nn_sample_rate = 1 ! Timesteps between sampling for trajectory storage |
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| 73 | ! Initial mass required for an iceberg of each class |
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| 74 | rn_initial_mass = 8.8e7, 4.1e8, 3.3e9, 1.8e10, 3.8e10, 7.5e10, 1.2e11, 2.2e11, 3.9e11, 7.4e11 |
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| 75 | ! Proportion of calving mass to apportion to each class |
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| 76 | rn_distribution = 0.24, 0.12, 0.15, 0.18, 0.12, 0.07, 0.03, 0.03, 0.03, 0.02 |
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| 77 | ! Ratio between effective and real iceberg mass (non-dim) |
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| 78 | ! i.e. number of icebergs represented at a point |
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| 79 | rn_mass_scaling = 2000, 200, 50, 20, 10, 5, 2, 1, 1, 1 |
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| 80 | ! thickness of newly calved bergs (m) |
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| 81 | rn_initial_thickness = 40., 67., 133., 175., 250., 250., 250., 250., 250., 250. |
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| 82 | rn_rho_bergs = 850. ! Density of icebergs |
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| 83 | rn_LoW_ratio = 1.5 ! Initial ratio L/W for newly calved icebergs |
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| 84 | ln_operator_splitting = .true. ! Use first order operator splitting for thermodynamics |
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| 85 | rn_bits_erosion_fraction = 0. ! Fraction of erosion melt flux to divert to bergy bits |
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| 86 | rn_sicn_shift = 0. ! Shift of sea-ice concn in erosion flux (0<sicn_shift<1) |
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| 87 | ln_passive_mode = .false. ! iceberg - ocean decoupling |
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| 88 | nn_test_icebergs = -1 ! Create test icebergs of this class (-1 = no) |
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| 89 | ! Put a test iceberg at each gridpoint in box (lon1,lon2,lat1,lat2) |
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| 90 | rn_test_box = 108.0, 116.0, -66.0, -58.0 |
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| 91 | rn_speed_limit = 0. ! CFL speed limit for a berg |
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| 92 | |
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| 93 | ! ! file name ! frequency (hours) ! variable ! time interp.! clim ! 'yearly'/ ! weights ! rotation ! land/sea mask ! |
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| 94 | ! ! ! (if <0 months) ! name ! (logical) ! (T/F ) ! 'monthly' ! filename ! pairing ! filename ! |
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| 95 | sn_icb = 'calving', -1 , 'calving' , .true. , .true. , 'yearly' , '' , '' , '' |
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| 96 | |
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| 97 | cn_dir = './' |
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| 98 | / |
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| 99 | !----------------------------------------------------------------------- |
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| 100 | &namlbc ! lateral momentum boundary condition |
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| 101 | !----------------------------------------------------------------------- |
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| 102 | / |
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| 103 | !----------------------------------------------------------------------- |
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| 104 | &namdrg ! top/bottom friction |
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| 105 | !----------------------------------------------------------------------- |
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| 106 | ln_lin = .true. ! linear drag: Cd = Cd0 Uc0 |
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| 107 | / |
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| 108 | !----------------------------------------------------------------------- |
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| 109 | &namagrif ! AGRIF zoom ("key_agrif") |
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| 110 | !----------------------------------------------------------------------- |
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| 111 | nn_cln_update = 3 ! baroclinic update frequency |
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| 112 | / |
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| 113 | !----------------------------------------------------------------------- |
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| 114 | &nambbc ! bottom temperature boundary condition (default: NO) |
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| 115 | !----------------------------------------------------------------------- |
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| 116 | ln_trabbc = .true. ! Apply a geothermal heating at the ocean bottom |
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| 117 | / |
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| 118 | !----------------------------------------------------------------------- |
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| 119 | &nambbl ! bottom boundary layer scheme (default: NO) |
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| 120 | !----------------------------------------------------------------------- |
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| 121 | ln_trabbl = .true. ! Bottom Boundary Layer parameterisation flag |
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| 122 | nn_bbl_ldf = 1 ! diffusive bbl (=1) or not (=0) |
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| 123 | nn_bbl_adv = 0 ! advective bbl (=1/2) or not (=0) |
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| 124 | rn_ahtbbl = 1000. ! lateral mixing coefficient in the bbl [m2/s] |
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| 125 | rn_gambbl = 10. ! advective bbl coefficient [s] |
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| 126 | / |
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| 127 | !----------------------------------------------------------------------- |
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| 128 | &nameos ! ocean physical parameters |
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| 129 | !----------------------------------------------------------------------- |
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| 130 | ln_teos10 = .false. ! = Use TEOS-10 equation of state |
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| 131 | ln_eos80 = .true. ! = Use EOS80 |
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| 132 | ln_seos = .false. ! = Use S-EOS (simplified Eq.) |
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| 133 | / |
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| 134 | !----------------------------------------------------------------------- |
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| 135 | &namtra_adv ! advection scheme for tracer (default: NO advection) |
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| 136 | !----------------------------------------------------------------------- |
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| 137 | ln_traadv_fct = .true. ! FCT scheme |
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| 138 | nn_fct_h = 2 ! =2/4, horizontal 2nd / 4th order |
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| 139 | nn_fct_v = 2 ! =2/4, vertical 2nd / COMPACT 4th order |
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| 140 | / |
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| 141 | !----------------------------------------------------------------------- |
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| 142 | &namtra_adv_mle ! mixed layer eddy parametrisation (Fox-Kemper param) |
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| 143 | !----------------------------------------------------------------------- |
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| 144 | ln_mle = .true. ! (T) use the Mixed Layer Eddy (MLE) parameterisation |
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| 145 | / |
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| 146 | !---------------------------------------------------------------------------------- |
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| 147 | &namtra_ldf ! lateral diffusion scheme for tracers |
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| 148 | !---------------------------------------------------------------------------------- |
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| 149 | ! ! Operator type: |
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| 150 | ln_traldf_NONE = .false. ! No operator (no explicit advection) |
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| 151 | ln_traldf_lap = .true. ! laplacian operator |
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| 152 | ln_traldf_blp = .false. ! bilaplacian operator |
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| 153 | ! ! Direction of action: |
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| 154 | ln_traldf_lev = .false. ! iso-level |
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| 155 | ln_traldf_hor = .false. ! horizontal (geopotential) |
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| 156 | ln_traldf_iso = .true. ! iso-neutral (Standard operator) |
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| 157 | ln_traldf_triad = .false. ! iso-neutral (Triads operator) |
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| 158 | ! |
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| 159 | ! ! iso-neutral options: |
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| 160 | ln_traldf_msc = .true. ! Method of Stabilizing Correction (both operators) |
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| 161 | rn_slpmax = 0.01 ! slope limit (both operators) |
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| 162 | ln_triad_iso = .false. ! pure horizontal mixing in ML (triad only) |
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| 163 | rn_sw_triad = 1 ! =1 switching triad ; =0 all 4 triads used (triad only) |
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| 164 | ln_botmix_triad = .false. ! lateral mixing on bottom (triad only) |
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| 165 | ! |
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| 166 | ! ! Coefficients: |
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| 167 | nn_aht_ijk_t = 20 ! space/time variation of eddy coef |
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| 168 | ! ! =-20 (=-30) read in eddy_diffusivity_2D.nc (..._3D.nc) file |
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| 169 | ! ! = 0 constant |
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| 170 | ! ! = 10 F(k) =ldf_c1d |
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| 171 | ! ! = 20 F(i,j) =ldf_c2d |
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| 172 | ! ! = 21 F(i,j,t) =Treguier et al. JPO 1997 formulation |
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| 173 | ! ! = 30 F(i,j,k) =ldf_c2d + ldf_c1d |
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| 174 | ! ! = 31 F(i,j,k,t)=F(local velocity) |
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| 175 | rn_aht_0 = 2000. ! lateral eddy diffusivity (lap. operator) [m2/s] |
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| 176 | rn_bht_0 = 1.e+12 ! lateral eddy diffusivity (bilap. operator) [m4/s] |
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| 177 | / |
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| 178 | !---------------------------------------------------------------------------------- |
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| 179 | &namtra_ldfeiv ! eddy induced velocity param. |
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| 180 | !---------------------------------------------------------------------------------- |
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| 181 | ln_ldfeiv =.true. ! use eddy induced velocity parameterization |
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| 182 | ln_ldfeiv_dia =.true. ! diagnose eiv stream function and velocities |
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| 183 | rn_aeiv_0 = 2000. ! eddy induced velocity coefficient [m2/s] |
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| 184 | nn_aei_ijk_t = 21 ! space/time variation of the eiv coeficient |
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| 185 | ! ! =-20 (=-30) read in eddy_induced_velocity_2D.nc (..._3D.nc) file |
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| 186 | ! ! = 0 constant |
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| 187 | ! ! = 10 F(k) =ldf_c1d |
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| 188 | ! ! = 20 F(i,j) =ldf_c2d |
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| 189 | ! ! = 21 F(i,j,t) =Treguier et al. JPO 1997 formulation |
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| 190 | ! ! = 30 F(i,j,k) =ldf_c2d + ldf_c1d |
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| 191 | / |
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| 192 | !----------------------------------------------------------------------- |
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| 193 | &namtra_dmp ! tracer: T & S newtonian damping (default: NO) |
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| 194 | !----------------------------------------------------------------------- |
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| 195 | / |
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| 196 | !----------------------------------------------------------------------- |
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| 197 | &namdyn_adv ! formulation of the momentum advection (default: No selection) |
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| 198 | !----------------------------------------------------------------------- |
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| 199 | ln_dynadv_NONE= .false. ! linear dynamics (no momentum advection) |
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| 200 | ln_dynadv_vec = .true. ! vector form - 2nd centered scheme |
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| 201 | nn_dynkeg = 0 ! grad(KE) scheme: =0 C2 ; =1 Hollingsworth correction |
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| 202 | ln_dynadv_cen2= .false. ! flux form - 2nd order centered scheme |
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| 203 | ln_dynadv_ubs = .false. ! flux form - 3rd order UBS scheme |
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| 204 | / |
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| 205 | !----------------------------------------------------------------------- |
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| 206 | &namdyn_vor ! option of physics/algorithm (not control by CPP keys) |
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| 207 | !----------------------------------------------------------------------- |
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| 208 | ln_dynvor_ene = .false. ! enstrophy conserving scheme |
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| 209 | ln_dynvor_ens = .false. ! energy conserving scheme |
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| 210 | ln_dynvor_mix = .false. ! mixed scheme |
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| 211 | ln_dynvor_een = .true. ! energy & enstrophy scheme |
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| 212 | nn_een_e3f = 0 ! e3f = masked averaging of e3t divided by 4 (=0) or by the sum of mask (=1) |
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| 213 | / |
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| 214 | !----------------------------------------------------------------------- |
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| 215 | &namdyn_hpg ! Hydrostatic pressure gradient option |
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| 216 | !----------------------------------------------------------------------- |
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| 217 | ln_hpg_sco = .true. ! s-coordinate (standard jacobian formulation) |
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| 218 | / |
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| 219 | !----------------------------------------------------------------------- |
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| 220 | &namdyn_spg ! surface pressure gradient |
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| 221 | !----------------------------------------------------------------------- |
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| 222 | ln_dynspg_ts = .true. ! split-explicit free surface |
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| 223 | / |
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| 224 | !----------------------------------------------------------------------- |
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| 225 | &namdyn_ldf ! lateral diffusion on momentum |
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| 226 | !----------------------------------------------------------------------- |
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| 227 | ! ! Type of the operator : |
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| 228 | ln_dynldf_NONE= .false. ! No operator (no explicit diffusion) |
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| 229 | ln_dynldf_lap = .true. ! laplacian operator |
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| 230 | ln_dynldf_blp = .false. ! bilaplacian operator |
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| 231 | ! ! Direction of action : |
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| 232 | ln_dynldf_lev = .true. ! iso-level |
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| 233 | ln_dynldf_hor = .false. ! horizontal (geopotential) |
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| 234 | ln_dynldf_iso = .false. ! iso-neutral |
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| 235 | ! ! Coefficient |
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| 236 | nn_ahm_ijk_t = -30 ! space/time variation of eddy coef |
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| 237 | ! ! =-30 read in eddy_viscosity_3D.nc file |
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| 238 | ! ! =-20 read in eddy_viscosity_2D.nc file |
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| 239 | ! ! = 0 constant |
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| 240 | ! ! = 10 F(k)=c1d |
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| 241 | ! ! = 20 F(i,j)=F(grid spacing)=c2d |
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| 242 | ! ! = 30 F(i,j,k)=c2d*c1d |
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| 243 | ! ! = 31 F(i,j,k)=F(grid spacing and local velocity) |
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| 244 | rn_ahm_0 = 40000. ! horizontal laplacian eddy viscosity [m2/s] |
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| 245 | rn_ahm_b = 0. ! background eddy viscosity for ldf_iso [m2/s] |
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| 246 | rn_bhm_0 = 1.e+12 ! horizontal bilaplacian eddy viscosity [m4/s] |
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| 247 | ! |
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| 248 | ! Caution in 20 and 30 cases the coefficient have to be given for a 1 degree grid (~111km) |
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| 249 | / |
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| 250 | !!====================================================================== |
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| 251 | !! vertical physics namelists !! |
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| 252 | !!====================================================================== |
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| 253 | !----------------------------------------------------------------------- |
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| 254 | &namzdf ! vertical physics (default: NO selection) |
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| 255 | !----------------------------------------------------------------------- |
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| 256 | ! ! type of vertical closure |
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| 257 | ln_zdfcst = .false. ! constant mixing |
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| 258 | ln_zdfric = .false. ! local Richardson dependent formulation (T => fill namzdf_ric) |
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| 259 | ln_zdftke = .true. ! Turbulent Kinetic Energy closure (T => fill namzdf_tke) |
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| 260 | ln_zdfgls = .false. ! Generic Length Scale closure (T => fill namzdf_gls) |
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| 261 | ln_zdfosm = .false. ! OSMOSIS BL closure (T => fill namzdf_osm) |
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| 262 | ! |
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| 263 | ! ! convection |
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| 264 | ln_zdfevd = .true. ! Enhanced Vertical Diffusion scheme |
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| 265 | nn_evdm = 0 ! evd apply on tracer (=0) or on tracer and momentum (=1) |
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| 266 | rn_evd = 100. ! evd mixing coefficient [m2/s] |
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| 267 | ! |
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| 268 | ln_zdfddm = .true. ! double diffusive mixing |
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| 269 | rn_avts = 1.e-4 ! maximum avs (vertical mixing on salinity) |
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| 270 | rn_hsbfr = 1.6 ! heat/salt buoyancy flux ratio |
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| 271 | ! |
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| 272 | ! ! gravity wave-driven vertical mixing |
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| 273 | ln_zdfiwm = .false. ! internal wave-induced mixing (T => fill namzdf_iwm) |
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| 274 | ln_zdfswm = .false. ! surface wave-induced mixing (T => ln_wave=ln_sdw=T ) |
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| 275 | ! |
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| 276 | ! ! Coefficients |
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| 277 | rn_avm0 = 1.2e-4 ! vertical eddy viscosity [m2/s] (background Kz if ln_zdfcst=F) |
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| 278 | rn_avt0 = 1.2e-5 ! vertical eddy diffusivity [m2/s] (background Kz if ln_zdfcst=F) |
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| 279 | nn_avb = 0 ! profile for background avt & avm (=1) or not (=0) |
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| 280 | nn_havtb = 1 ! horizontal shape for avtb (=1) or not (=0) |
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| 281 | / |
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| 282 | !----------------------------------------------------------------------- |
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| 283 | &namzdf_tke ! turbulent eddy kinetic dependent vertical diffusion |
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| 284 | !----------------------------------------------------------------------- |
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| 285 | / |
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| 286 | !----------------------------------------------------------------------- |
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| 287 | &namzdf_iwm ! tidal mixing parameterization (ln_zdfiwm =T) |
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| 288 | !----------------------------------------------------------------------- |
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| 289 | nn_zpyc = 2 ! pycnocline-intensified dissipation scales as N (=1) or N^2 (=2) |
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| 290 | ln_mevar = .true. ! variable (T) or constant (F) mixing efficiency |
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| 291 | ln_tsdiff = .true. ! account for differential T/S mixing (T) or not (F) |
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| 292 | / |
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| 293 | !----------------------------------------------------------------------- |
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| 294 | &nammpp ! Massively Parallel Processing ("key_mpp_mpi) |
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| 295 | !----------------------------------------------------------------------- |
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| 296 | / |
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| 297 | !----------------------------------------------------------------------- |
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| 298 | &namctl ! Control prints & Benchmark |
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| 299 | !----------------------------------------------------------------------- |
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| 300 | / |
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| 301 | !----------------------------------------------------------------------- |
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| 302 | &namptr ! Poleward Transport Diagnostic |
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| 303 | !----------------------------------------------------------------------- |
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| 304 | / |
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| 305 | !----------------------------------------------------------------------- |
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| 306 | &namhsb ! Heat and salt budgets (default F) |
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| 307 | !----------------------------------------------------------------------- |
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| 308 | ln_diahsb = .true. ! check the heat and salt budgets (T) or not (F) |
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| 309 | / |
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| 310 | !----------------------------------------------------------------------- |
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| 311 | &namobs ! observation usage ('key_diaobs') |
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| 312 | !----------------------------------------------------------------------- |
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| 313 | / |
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| 314 | !----------------------------------------------------------------------- |
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| 315 | &nam_asminc ! assimilation increments ('key_asminc') |
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| 316 | !----------------------------------------------------------------------- |
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| 317 | / |
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