| [3875] | 1 | !!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| [4152] | 2 | !! NEMO/TOP1 : - tracer run information (namtrc_run) |
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| 3 | !! - tracer definition (namtrc ) |
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| 4 | !! - tracer data initialisation (namtrc_dta) |
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| 5 | !! - tracer advection (namtrc_adv) |
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| 6 | !! - tracer lateral diffusion (namtrc_ldf) |
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| 7 | !! - tracer vertical physics (namtrc_zdf) |
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| 8 | !! - tracer newtonian damping (namtrc_dmp) |
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| 9 | !! - dynamical tracer trends (namtrc_trd) |
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| [3875] | 10 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| [4152] | 11 | !----------------------------------------------------------------------- |
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| [6140] | 12 | &namtrc_run ! run information |
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| [4152] | 13 | !----------------------------------------------------------------------- |
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| [7041] | 14 | jptra = 3 ! Total number of tracers |
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| [4152] | 15 | nn_dttrc = 1 ! time step frequency for passive sn_tracers |
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| [6140] | 16 | ln_top_euler = .false. ! use Euler time-stepping for TOP |
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| [3875] | 17 | ln_rsttr = .false. ! start from a restart file (T) or not (F) |
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| 18 | nn_rsttr = 0 ! restart control = 0 initial time step is not compared to the restart file value |
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| [6140] | 19 | ! = 1 do not use the value in the restart file |
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| 20 | ! = 2 calendar parameters read in the restart file |
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| [3875] | 21 | cn_trcrst_in = "restart_trc" ! suffix of pass. sn_tracer restart name (input) |
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| [5341] | 22 | cn_trcrst_indir = "." ! directory from which to read input passive tracer restarts |
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| [3875] | 23 | cn_trcrst_out = "restart_trc" ! suffix of pass. sn_tracer restart name (output) |
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| [5341] | 24 | cn_trcrst_outdir = "." ! directory to which to write output passive tracer restarts |
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| [4152] | 25 | / |
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| 26 | !----------------------------------------------------------------------- |
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| [6140] | 27 | &namtrc ! tracers definition |
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| [4152] | 28 | !----------------------------------------------------------------------- |
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| [7041] | 29 | ln_age = .true. |
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| 30 | ln_cfc11 = .true. |
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| 31 | ln_cfc12 = .false. |
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| 32 | ln_c14 = .true. |
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| 33 | ln_trcdta = .false. ! Initialisation from data input file (T) or not (F) |
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| [3875] | 34 | ln_trcdmp = .false. ! add a damping termn (T) or not (F) |
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| [4159] | 35 | ln_trcdmp_clo = .false. ! damping term (T) or not (F) on closed seas |
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| [7041] | 36 | ! |
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| 37 | ! ! name ! title of the field ! units ! initial data from file or not ! |
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| 38 | sn_tracer(1) = 'Age ' , 'Sea water age since surface contact ', 'yr' , .false. |
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| 39 | sn_tracer(2) = 'CFC11 ' , 'CFC11 Concentration ', 'umolC/L', .false. |
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| 40 | sn_tracer(3) = 'RC14 ' , 'Radiocarbon ratio ', '-' , .false. |
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| [3875] | 41 | / |
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| 42 | !----------------------------------------------------------------------- |
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| 43 | &namtrc_dta ! Initialisation from data input file |
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| 44 | !----------------------------------------------------------------------- |
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| [6140] | 45 | cn_dir = './' ! root directory for the location of the data files |
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| [3875] | 46 | / |
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| 47 | !----------------------------------------------------------------------- |
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| [6140] | 48 | &namtrc_adv ! advection scheme for passive tracer |
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| [3875] | 49 | !----------------------------------------------------------------------- |
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| [5836] | 50 | ln_trcadv_cen = .false. ! 2nd order centered scheme |
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| 51 | nn_cen_h = 4 ! =2/4, horizontal 2nd order CEN / 4th order CEN |
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| 52 | nn_cen_v = 4 ! =2/4, vertical 2nd order CEN / 4th order COMPACT |
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| 53 | ln_trcadv_fct = .false. ! FCT scheme |
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| 54 | nn_fct_h = 2 ! =2/4, horizontal 2nd / 4th order |
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| 55 | nn_fct_v = 2 ! =2/4, vertical 2nd / COMPACT 4th order |
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| 56 | nn_fct_zts = 0 ! >=1, 2nd order FCT scheme with vertical sub-timestepping |
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| 57 | ! ! (number of sub-timestep = nn_fct_zts) |
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| 58 | ln_trcadv_mus = .false. ! MUSCL scheme |
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| 59 | ln_mus_ups = .false. ! use upstream scheme near river mouths |
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| 60 | ln_trcadv_ubs = .false. ! UBS scheme |
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| 61 | nn_ubs_v = 2 ! =2 , vertical 2nd order FCT |
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| 62 | ln_trcadv_qck = .false. ! QUICKEST scheme |
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| [3875] | 63 | / |
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| 64 | !----------------------------------------------------------------------- |
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| [6140] | 65 | &namtrc_ldf ! lateral diffusion scheme for passive tracer |
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| [3875] | 66 | !----------------------------------------------------------------------- |
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| [6140] | 67 | ! ! Type of the operator: |
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| 68 | ln_trcldf_lap = .true. ! laplacian operator |
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| 69 | ln_trcldf_blp = .false. ! bilaplacian operator |
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| 70 | ! ! Direction of action: |
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| 71 | ln_trcldf_lev = .false. ! iso-level |
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| 72 | ln_trcldf_hor = .false. ! horizontal (geopotential) |
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| 73 | ln_trcldf_iso = .true. ! iso-neutral (standard operator) |
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| 74 | ln_trcldf_triad = .false. ! iso-neutral (triad operator) |
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| 75 | ! ! Coefficient |
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| 76 | rn_ahtrc_0 = 2000. ! lateral eddy diffusivity (lap. operator) [m2/s] |
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| 77 | rn_bhtrc_0 = 1.e+12 ! lateral eddy diffusivity (bilap. operator) [m4/s] |
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| [6403] | 78 | ! |
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| 79 | rn_fact_lap = 1. ! enhanced zonal eddy diffusivity |
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| [3875] | 80 | / |
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| 81 | !----------------------------------------------------------------------- |
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| [6140] | 82 | &namtrc_zdf ! vertical physics |
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| [3875] | 83 | !----------------------------------------------------------------------- |
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| [6140] | 84 | ln_trczdf_exp = .false. ! split explicit (T) or implicit (F) time stepping |
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| 85 | nn_trczdf_exp = 3 ! number of sub-timestep for ln_trczdfexp=T |
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| [3875] | 86 | / |
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| 87 | !----------------------------------------------------------------------- |
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| [6140] | 88 | &namtrc_rad ! treatment of negative concentrations |
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| [3875] | 89 | !----------------------------------------------------------------------- |
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| [6140] | 90 | ln_trcrad = .true. ! artificially correct negative concentrations (T) or not (F) |
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| [3875] | 91 | / |
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| 92 | !----------------------------------------------------------------------- |
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| [6140] | 93 | &namtrc_dmp ! passive tracer newtonian damping |
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| [3875] | 94 | !----------------------------------------------------------------------- |
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| [6140] | 95 | nn_zdmp_tr = 1 ! vertical shape =0 damping throughout the water column |
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| 96 | ! =1 no damping in the mixing layer (kz criteria) |
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| 97 | ! =2 no damping in the mixed layer (rho crieria) |
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| 98 | cn_resto_tr = 'resto_tr.nc' ! create a damping.coeff NetCDF file (=1) or not (=0) |
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| [5416] | 99 | / |
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| [5385] | 100 | !----------------------------------------------------------------------- |
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| [6140] | 101 | &namtrc_ice ! Representation of sea ice growth & melt effects |
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| [5385] | 102 | !----------------------------------------------------------------------- |
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| [6140] | 103 | nn_ice_tr = -1 ! tracer concentration in sea ice |
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| 104 | ! =-1 (no vvl: identical cc in ice and ocean / vvl: cc_ice = 0) |
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| 105 | ! = 0 (no vvl: cc_ice = zero / vvl: cc_ice = ) |
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| 106 | ! = 1 prescribed to a namelist value (implemented in pisces only) |
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| [3875] | 107 | / |
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| 108 | !----------------------------------------------------------------------- |
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| [6140] | 109 | &namtrc_trd ! diagnostics on tracer trends ('key_trdtrc') |
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| 110 | ! or mixed-layer trends ('key_trdmld_trc') |
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| [3875] | 111 | !---------------------------------------------------------------------- |
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| [6140] | 112 | nn_trd_trc = 5475 ! time step frequency and tracers trends |
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| 113 | nn_ctls_trc = 0 ! control surface type in mixed-layer trends (0,1 or n<jpk) |
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| 114 | rn_ucf_trc = 1 ! unit conversion factor (=1 -> /seconds ; =86400. -> /day) |
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| 115 | ln_trdmld_trc_restart = .false. ! restart for ML diagnostics |
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| [3875] | 116 | ln_trdmld_trc_instant = .true. ! flag to diagnose trends of instantantaneous or mean ML T/S |
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| [6140] | 117 | ln_trdtrc( 1) = .true. |
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| 118 | ln_trdtrc( 2) = .true. |
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| 119 | ln_trdtrc(23) = .true. |
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| [3875] | 120 | / |
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| 121 | !---------------------------------------------------------------------- |
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| [6140] | 122 | &namtrc_bc ! data for boundary conditions |
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| [4340] | 123 | !----------------------------------------------------------------------- |
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| [6140] | 124 | cn_dir_sbc = './' ! root directory for the location of SURFACE data files |
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| 125 | cn_dir_cbc = './' ! root directory for the location of COASTAL data files |
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| 126 | cn_dir_obc = './' ! root directory for the location of OPEN data files |
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| [4340] | 127 | / |
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| [6140] | 128 | !---------------------------------------------------------------------- |
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| 129 | &namtrc_bdy ! Setup of tracer boundary conditions |
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| 130 | !----------------------------------------------------------------------- |
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| 131 | cn_trc_dflt = 'neumann' ! OBC applied by default to all tracers |
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| 132 | cn_trc = 'none' ! Boundary conditions used for tracers with data files (selected in namtrc) |
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| 133 | |
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| 134 | nn_trcdmp_bdy = 0 ! Use damping timescales defined in nambdy of namelist |
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| 135 | ! = 0 NO damping of tracers at open boudaries |
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| 136 | ! = 1 Only for tracers forced with external data |
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| 137 | ! = 2 Damping applied to all tracers |
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| 138 | / |
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