[2128] | 1 | MODULE asminc |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE asminc *** |
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| 4 | !! Assimilation increment : Apply an increment generated by data |
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| 5 | !! assimilation |
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| 6 | !!====================================================================== |
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[2392] | 7 | !! History : ! 2007-03 (M. Martin) Met Office version |
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| 8 | !! ! 2007-04 (A. Weaver) calc_date original code |
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| 9 | !! ! 2007-04 (A. Weaver) Merge with OPAVAR/NEMOVAR |
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| 10 | !! NEMO 3.3 ! 2010-05 (D. Lea) Update to work with NEMO v3.2 |
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| 11 | !! - ! 2010-05 (D. Lea) add calc_month_len routine based on day_init |
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[3764] | 12 | !! 3.4 ! 2012-10 (A. Weaver and K. Mogensen) Fix for direct initialization |
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[2392] | 13 | !!---------------------------------------------------------------------- |
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[2128] | 14 | |
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| 15 | !!---------------------------------------------------------------------- |
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[3785] | 16 | !! 'key_asminc' : Switch on the assimilation increment interface |
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[2128] | 17 | !!---------------------------------------------------------------------- |
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[3785] | 18 | !! asm_inc_init : Initialize the increment arrays and IAU weights |
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| 19 | !! calc_date : Compute the calendar date YYYYMMDD on a given step |
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| 20 | !! tra_asm_inc : Apply the tracer (T and S) increments |
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| 21 | !! dyn_asm_inc : Apply the dynamic (u and v) increments |
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| 22 | !! ssh_asm_inc : Apply the SSH increment |
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| 23 | !! seaice_asm_inc : Apply the seaice increment |
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[8495] | 24 | !! logchl_asm_inc : Apply the logchl increment |
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| 25 | !! pco2_asm_inc : Apply the pCO2/fCO2 increment |
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[2128] | 26 | !!---------------------------------------------------------------------- |
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[3294] | 27 | USE wrk_nemo ! Memory Allocation |
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[2392] | 28 | USE par_oce ! Ocean space and time domain variables |
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| 29 | USE dom_oce ! Ocean space and time domain |
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[3785] | 30 | USE domvvl ! domain: variable volume level |
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[2392] | 31 | USE oce ! Dynamics and active tracers defined in memory |
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[3294] | 32 | USE ldfdyn_oce ! ocean dynamics: lateral physics |
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[2392] | 33 | USE eosbn2 ! Equation of state - in situ and potential density |
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| 34 | USE zpshde ! Partial step : Horizontal Derivative |
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| 35 | USE iom ! Library to read input files |
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| 36 | USE asmpar ! Parameters for the assmilation interface |
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[2435] | 37 | USE c1d ! 1D initialization |
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[2715] | 38 | USE in_out_manager ! I/O manager |
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[3764] | 39 | USE lib_mpp ! MPP library |
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| 40 | #if defined key_lim2 |
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| 41 | USE ice_2 ! LIM2 |
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| 42 | #endif |
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[8400] | 43 | #if defined key_cice && defined key_asminc |
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| 44 | USE sbc_ice, ONLY : & ! CICE Ice model variables |
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| 45 | & ndaice_da, nfresh_da, nfsalt_da |
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| 46 | #endif |
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[3764] | 47 | USE sbc_oce ! Surface boundary condition variables. |
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[8495] | 48 | USE zdfmxl, ONLY : & |
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| 49 | ! & hmld_tref, & |
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| 50 | #if defined key_karaml |
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| 51 | & hmld_kara, & |
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| 52 | & ln_kara, & |
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| 53 | #endif |
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| 54 | & hmld, & |
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| 55 | & hmlp, & |
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| 56 | & hmlpt |
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| 57 | #if defined key_top |
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| 58 | USE trc, ONLY: & |
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| 59 | & trn, & |
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| 60 | & trb |
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| 61 | USE par_trc, ONLY: & |
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| 62 | & jptra |
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| 63 | #endif |
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| 64 | #if defined key_medusa && defined key_foam_medusa |
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| 65 | USE asmlogchlbal_medusa, ONLY: & |
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| 66 | & asm_logchl_bal_medusa |
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| 67 | USE asmpco2bal, ONLY: & |
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| 68 | & asm_pco2_bal |
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| 69 | USE par_medusa |
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| 70 | USE mocsy_mainmod |
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| 71 | #elif defined key_hadocc |
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| 72 | USE asmlogchlbal_hadocc, ONLY: & |
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| 73 | & asm_logchl_bal_hadocc |
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| 74 | USE asmpco2bal, ONLY: & |
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| 75 | & asm_pco2_bal |
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| 76 | USE par_hadocc |
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| 77 | #endif |
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[2128] | 78 | |
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| 79 | IMPLICIT NONE |
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| 80 | PRIVATE |
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[2392] | 81 | |
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| 82 | PUBLIC asm_inc_init !: Initialize the increment arrays and IAU weights |
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| 83 | PUBLIC calc_date !: Compute the calendar date YYYYMMDD on a given step |
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| 84 | PUBLIC tra_asm_inc !: Apply the tracer (T and S) increments |
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| 85 | PUBLIC dyn_asm_inc !: Apply the dynamic (u and v) increments |
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| 86 | PUBLIC ssh_asm_inc !: Apply the SSH increment |
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[3764] | 87 | PUBLIC seaice_asm_inc !: Apply the seaice increment |
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[8495] | 88 | PUBLIC logchl_asm_inc !: Apply the logchl increment |
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| 89 | PUBLIC pco2_asm_inc !: Apply the pCO2/fCO2 increment |
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[2128] | 90 | |
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| 91 | #if defined key_asminc |
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[2392] | 92 | LOGICAL, PUBLIC, PARAMETER :: lk_asminc = .TRUE. !: Logical switch for assimilation increment interface |
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[2128] | 93 | #else |
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[2392] | 94 | LOGICAL, PUBLIC, PARAMETER :: lk_asminc = .FALSE. !: No assimilation increments |
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[2128] | 95 | #endif |
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[4998] | 96 | LOGICAL, PUBLIC :: ln_bkgwri = .FALSE. !: No output of the background state fields |
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[8495] | 97 | LOGICAL, PUBLIC :: ln_balwri = .FALSE. !: No output of the assimilation balancing increments |
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[4998] | 98 | LOGICAL, PUBLIC :: ln_asmiau = .FALSE. !: No applying forcing with an assimilation increment |
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| 99 | LOGICAL, PUBLIC :: ln_asmdin = .FALSE. !: No direct initialization |
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| 100 | LOGICAL, PUBLIC :: ln_trainc = .FALSE. !: No tracer (T and S) assimilation increments |
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| 101 | LOGICAL, PUBLIC :: ln_dyninc = .FALSE. !: No dynamics (u and v) assimilation increments |
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| 102 | LOGICAL, PUBLIC :: ln_sshinc = .FALSE. !: No sea surface height assimilation increment |
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| 103 | LOGICAL, PUBLIC :: ln_seaiceinc !: No sea ice concentration increment |
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[8495] | 104 | LOGICAL, PUBLIC :: ln_logchlinc = .FALSE. !: No log10(chlorophyll) increment |
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| 105 | LOGICAL, PUBLIC :: ln_logchlbal = .FALSE. !: Don't apply multivariate log10(chlorophyll) balancing |
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| 106 | LOGICAL, PUBLIC :: ln_pco2inc = .FALSE. !: No pCO2 increment |
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| 107 | LOGICAL, PUBLIC :: ln_fco2inc = .FALSE. !: No fCO2 increment |
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[4998] | 108 | LOGICAL, PUBLIC :: ln_salfix = .FALSE. !: Apply minimum salinity check |
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[3764] | 109 | LOGICAL, PUBLIC :: ln_temnofreeze = .FALSE. !: Don't allow the temperature to drop below freezing |
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[4998] | 110 | INTEGER, PUBLIC :: nn_divdmp !: Apply divergence damping filter nn_divdmp times |
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[2128] | 111 | |
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[2392] | 112 | REAL(wp), PUBLIC, DIMENSION(:,:,:), ALLOCATABLE :: t_bkg , s_bkg !: Background temperature and salinity |
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| 113 | REAL(wp), PUBLIC, DIMENSION(:,:,:), ALLOCATABLE :: u_bkg , v_bkg !: Background u- & v- velocity components |
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| 114 | REAL(wp), PUBLIC, DIMENSION(:,:,:), ALLOCATABLE :: t_bkginc, s_bkginc !: Increment to the background T & S |
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| 115 | REAL(wp), PUBLIC, DIMENSION(:,:,:), ALLOCATABLE :: u_bkginc, v_bkginc !: Increment to the u- & v-components |
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| 116 | REAL(wp), PUBLIC, DIMENSION(:) , ALLOCATABLE :: wgtiau !: IAU weights for each time step |
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[2128] | 117 | #if defined key_asminc |
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[2392] | 118 | REAL(wp), PUBLIC, DIMENSION(:,:), ALLOCATABLE :: ssh_iau !: IAU-weighted sea surface height increment |
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[2128] | 119 | #endif |
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[2392] | 120 | ! !!! time steps relative to the cycle interval [0,nitend-nit000-1] |
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| 121 | INTEGER , PUBLIC :: nitbkg !: Time step of the background state used in the Jb term |
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| 122 | INTEGER , PUBLIC :: nitdin !: Time step of the background state for direct initialization |
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| 123 | INTEGER , PUBLIC :: nitiaustr !: Time step of the start of the IAU interval |
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| 124 | INTEGER , PUBLIC :: nitiaufin !: Time step of the end of the IAU interval |
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| 125 | ! |
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| 126 | INTEGER , PUBLIC :: niaufn !: Type of IAU weighing function: = 0 Constant weighting |
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| 127 | ! !: = 1 Linear hat-like, centred in middle of IAU interval |
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| 128 | REAL(wp), PUBLIC :: salfixmin !: Ensure that the salinity is larger than this value if (ln_salfix) |
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[2128] | 129 | |
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[2392] | 130 | REAL(wp), DIMENSION(:,:), ALLOCATABLE :: ssh_bkg, ssh_bkginc ! Background sea surface height and its increment |
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[3764] | 131 | REAL(wp), DIMENSION(:,:), ALLOCATABLE :: seaice_bkginc ! Increment to the background sea ice conc |
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[2128] | 132 | |
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[8495] | 133 | REAL(wp), PUBLIC, DIMENSION(:,:), ALLOCATABLE :: logchl_bkginc !: Increment to background logchl |
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| 134 | REAL(wp), PUBLIC, DIMENSION(:,:), ALLOCATABLE :: pco2_bkginc !: Increment to background pCO2 |
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| 135 | #if defined key_top |
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| 136 | REAL(wp), PUBLIC, DIMENSION(:,:,:,:), ALLOCATABLE :: logchl_balinc !: Increment to BGC variables from logchl assim |
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| 137 | REAL(wp), PUBLIC, DIMENSION(:,:,:,:), ALLOCATABLE :: pco2_balinc !: Increment to BGC variables from pCO2 assim |
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| 138 | #endif |
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| 139 | #if defined key_hadocc || (defined key_medusa && defined key_foam_medusa) |
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| 140 | REAL(wp), DIMENSION(:,:), ALLOCATABLE :: pgrow_avg_bkg !: Background phyto growth for logchl balancing |
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| 141 | REAL(wp), DIMENSION(:,:), ALLOCATABLE :: ploss_avg_bkg !: Background phyto loss for logchl balancing |
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| 142 | REAL(wp), DIMENSION(:,:), ALLOCATABLE :: phyt_avg_bkg !: Background phyto for logchl balancing |
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| 143 | REAL(wp), DIMENSION(:,:), ALLOCATABLE :: mld_max_bkg !: Background max MLD for logchl balancing |
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| 144 | REAL(wp), DIMENSION(:,:,:,:), ALLOCATABLE :: tracer_bkg !: Background tracer state variables |
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| 145 | #endif |
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| 146 | #if defined key_hadocc |
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| 147 | REAL(wp), DIMENSION(:,:), ALLOCATABLE :: chl_bkg !: Background surface chlorophyll |
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| 148 | REAL(wp), DIMENSION(:,:), ALLOCATABLE :: cchl_p_bkg !: Background surface carbon:chlorophyll |
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| 149 | #endif |
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| 150 | REAL(wp) :: rn_maxchlinc = -999.0 !: maximum absolute non-log chlorophyll increment from logchl assimilation |
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| 151 | !: <= 0 implies no maximum applied (switch turned off) |
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| 152 | !: > 0 implies maximum absolute chl increment capped at this value |
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| 153 | |
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| 154 | INTEGER :: mld_choice_bgc = 1 !: choice of mld criteria to use for biogeochemistry assimilation |
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| 155 | !: 1) hmld - Turbocline/mixing depth [W points] |
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| 156 | !: 2) hmlp - Density criterion (0.01 kg/m^3 change from 10m) [W points] |
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| 157 | !: 3) hmld_kara - Kara MLD [Interpolated] |
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| 158 | !: 4) hmld_tref - Temperature criterion (0.2 K change from surface) [T points] |
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| 159 | !: 5) hmlpt - Density criterion (0.01 kg/m^3 change from 10m) [T points] |
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| 160 | |
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[3294] | 161 | !! * Substitutions |
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| 162 | # include "domzgr_substitute.h90" |
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| 163 | # include "ldfdyn_substitute.h90" |
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| 164 | # include "vectopt_loop_substitute.h90" |
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[2287] | 165 | !!---------------------------------------------------------------------- |
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| 166 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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| 167 | !! $Id$ |
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[2392] | 168 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[2287] | 169 | !!---------------------------------------------------------------------- |
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[2128] | 170 | CONTAINS |
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| 171 | |
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| 172 | SUBROUTINE asm_inc_init |
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| 173 | !!---------------------------------------------------------------------- |
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| 174 | !! *** ROUTINE asm_inc_init *** |
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| 175 | !! |
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| 176 | !! ** Purpose : Initialize the assimilation increment and IAU weights. |
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| 177 | !! |
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| 178 | !! ** Method : Initialize the assimilation increment and IAU weights. |
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| 179 | !! |
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| 180 | !! ** Action : |
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| 181 | !!---------------------------------------------------------------------- |
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[4990] | 182 | INTEGER :: ji, jj, jk, jt ! dummy loop indices |
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| 183 | INTEGER :: imid, inum ! local integers |
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| 184 | INTEGER :: ios ! Local integer output status for namelist read |
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[2128] | 185 | INTEGER :: iiauper ! Number of time steps in the IAU period |
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| 186 | INTEGER :: icycper ! Number of time steps in the cycle |
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| 187 | INTEGER :: iitend_date ! Date YYYYMMDD of final time step |
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| 188 | INTEGER :: iitbkg_date ! Date YYYYMMDD of background time step for Jb term |
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| 189 | INTEGER :: iitdin_date ! Date YYYYMMDD of background time step for DI |
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| 190 | INTEGER :: iitiaustr_date ! Date YYYYMMDD of IAU interval start time step |
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| 191 | INTEGER :: iitiaufin_date ! Date YYYYMMDD of IAU interval final time step |
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[4990] | 192 | ! |
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[2128] | 193 | REAL(wp) :: znorm ! Normalization factor for IAU weights |
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[4990] | 194 | REAL(wp) :: ztotwgt ! Value of time-integrated IAU weights (should be equal to one) |
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[2128] | 195 | REAL(wp) :: z_inc_dateb ! Start date of interval on which increment is valid |
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| 196 | REAL(wp) :: z_inc_datef ! End date of interval on which increment is valid |
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| 197 | REAL(wp) :: zdate_bkg ! Date in background state file for DI |
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| 198 | REAL(wp) :: zdate_inc ! Time axis in increments file |
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[4990] | 199 | ! |
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| 200 | REAL(wp), POINTER, DIMENSION(:,:) :: hdiv ! 2D workspace |
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[2392] | 201 | !! |
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[8495] | 202 | NAMELIST/nam_asminc/ ln_bkgwri, ln_balwri, & |
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[2392] | 203 | & ln_trainc, ln_dyninc, ln_sshinc, & |
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[8495] | 204 | & ln_logchlinc, ln_logchlbal, & |
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| 205 | & ln_pco2inc, ln_fco2inc, & |
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[2392] | 206 | & ln_asmdin, ln_asmiau, & |
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| 207 | & nitbkg, nitdin, nitiaustr, nitiaufin, niaufn, & |
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[8400] | 208 | & ln_salfix, salfixmin, nn_divdmp, & |
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[8495] | 209 | & ln_seaiceinc, ln_temnofreeze, & |
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| 210 | & mld_choice_bgc, rn_maxchlinc |
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[2392] | 211 | !!---------------------------------------------------------------------- |
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[2128] | 212 | |
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| 213 | !----------------------------------------------------------------------- |
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| 214 | ! Read Namelist nam_asminc : assimilation increment interface |
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| 215 | !----------------------------------------------------------------------- |
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[3764] | 216 | ln_seaiceinc = .FALSE. |
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| 217 | ln_temnofreeze = .FALSE. |
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[2128] | 218 | |
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[4147] | 219 | REWIND( numnam_ref ) ! Namelist nam_asminc in reference namelist : Assimilation increment |
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| 220 | READ ( numnam_ref, nam_asminc, IOSTAT = ios, ERR = 901) |
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| 221 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nam_asminc in reference namelist', lwp ) |
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[2128] | 222 | |
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[4147] | 223 | REWIND( numnam_cfg ) ! Namelist nam_asminc in configuration namelist : Assimilation increment |
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| 224 | READ ( numnam_cfg, nam_asminc, IOSTAT = ios, ERR = 902 ) |
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| 225 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nam_asminc in configuration namelist', lwp ) |
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[4624] | 226 | IF(lwm) WRITE ( numond, nam_asminc ) |
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[4147] | 227 | |
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[2128] | 228 | ! Control print |
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| 229 | IF(lwp) THEN |
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| 230 | WRITE(numout,*) |
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| 231 | WRITE(numout,*) 'asm_inc_init : Assimilation increment initialization :' |
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| 232 | WRITE(numout,*) '~~~~~~~~~~~~' |
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[2392] | 233 | WRITE(numout,*) ' Namelist namasm : set assimilation increment parameters' |
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| 234 | WRITE(numout,*) ' Logical switch for writing out background state ln_bkgwri = ', ln_bkgwri |
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[8495] | 235 | WRITE(numout,*) ' Logical switch for writing out balancing increments ln_balwri = ', ln_balwri |
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[2392] | 236 | WRITE(numout,*) ' Logical switch for applying tracer increments ln_trainc = ', ln_trainc |
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| 237 | WRITE(numout,*) ' Logical switch for applying velocity increments ln_dyninc = ', ln_dyninc |
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| 238 | WRITE(numout,*) ' Logical switch for applying SSH increments ln_sshinc = ', ln_sshinc |
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| 239 | WRITE(numout,*) ' Logical switch for Direct Initialization (DI) ln_asmdin = ', ln_asmdin |
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[3764] | 240 | WRITE(numout,*) ' Logical switch for applying sea ice increments ln_seaiceinc = ', ln_seaiceinc |
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[8495] | 241 | WRITE(numout,*) ' Logical switch for applying logchl increments ln_logchlinc = ', ln_logchlinc |
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| 242 | WRITE(numout,*) ' Logical switch for logchl multivariate balancing ln_logchlbal = ', ln_logchlbal |
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| 243 | WRITE(numout,*) ' Logical switch for applying pCO2 increments ln_pco2inc = ', ln_pco2inc |
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| 244 | WRITE(numout,*) ' Logical switch for applying fCO2 increments ln_fco2inc = ', ln_fco2inc |
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[2392] | 245 | WRITE(numout,*) ' Logical switch for Incremental Analysis Updating (IAU) ln_asmiau = ', ln_asmiau |
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| 246 | WRITE(numout,*) ' Timestep of background in [0,nitend-nit000-1] nitbkg = ', nitbkg |
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| 247 | WRITE(numout,*) ' Timestep of background for DI in [0,nitend-nit000-1] nitdin = ', nitdin |
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| 248 | WRITE(numout,*) ' Timestep of start of IAU interval in [0,nitend-nit000-1] nitiaustr = ', nitiaustr |
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| 249 | WRITE(numout,*) ' Timestep of end of IAU interval in [0,nitend-nit000-1] nitiaufin = ', nitiaufin |
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| 250 | WRITE(numout,*) ' Type of IAU weighting function niaufn = ', niaufn |
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| 251 | WRITE(numout,*) ' Logical switch for ensuring that the sa > salfixmin ln_salfix = ', ln_salfix |
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| 252 | WRITE(numout,*) ' Minimum salinity after applying the increments salfixmin = ', salfixmin |
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[8495] | 253 | WRITE(numout,*) ' Choice of MLD for BGC assimilation mld_choice_bgc = ', mld_choice_bgc |
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| 254 | WRITE(numout,*) ' Maximum absolute chlorophyll increment (<=0 = off) rn_maxchlinc = ', rn_maxchlinc |
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[2128] | 255 | ENDIF |
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| 256 | |
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| 257 | nitbkg_r = nitbkg + nit000 - 1 ! Background time referenced to nit000 |
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| 258 | nitdin_r = nitdin + nit000 - 1 ! Background time for DI referenced to nit000 |
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| 259 | nitiaustr_r = nitiaustr + nit000 - 1 ! Start of IAU interval referenced to nit000 |
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| 260 | nitiaufin_r = nitiaufin + nit000 - 1 ! End of IAU interval referenced to nit000 |
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| 261 | |
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| 262 | iiauper = nitiaufin_r - nitiaustr_r + 1 ! IAU interval length |
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| 263 | icycper = nitend - nit000 + 1 ! Cycle interval length |
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| 264 | |
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[4990] | 265 | CALL calc_date( nit000, nitend , ndate0, iitend_date ) ! Date of final time step |
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| 266 | CALL calc_date( nit000, nitbkg_r , ndate0, iitbkg_date ) ! Background time for Jb referenced to ndate0 |
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| 267 | CALL calc_date( nit000, nitdin_r , ndate0, iitdin_date ) ! Background time for DI referenced to ndate0 |
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| 268 | CALL calc_date( nit000, nitiaustr_r, ndate0, iitiaustr_date ) ! IAU start time referenced to ndate0 |
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| 269 | CALL calc_date( nit000, nitiaufin_r, ndate0, iitiaufin_date ) ! IAU end time referenced to ndate0 |
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| 270 | ! |
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[2128] | 271 | IF(lwp) THEN |
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| 272 | WRITE(numout,*) |
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| 273 | WRITE(numout,*) ' Time steps referenced to current cycle:' |
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| 274 | WRITE(numout,*) ' iitrst = ', nit000 - 1 |
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| 275 | WRITE(numout,*) ' nit000 = ', nit000 |
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| 276 | WRITE(numout,*) ' nitend = ', nitend |
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| 277 | WRITE(numout,*) ' nitbkg_r = ', nitbkg_r |
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| 278 | WRITE(numout,*) ' nitdin_r = ', nitdin_r |
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| 279 | WRITE(numout,*) ' nitiaustr_r = ', nitiaustr_r |
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| 280 | WRITE(numout,*) ' nitiaufin_r = ', nitiaufin_r |
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| 281 | WRITE(numout,*) |
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| 282 | WRITE(numout,*) ' Dates referenced to current cycle:' |
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| 283 | WRITE(numout,*) ' ndastp = ', ndastp |
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| 284 | WRITE(numout,*) ' ndate0 = ', ndate0 |
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| 285 | WRITE(numout,*) ' iitend_date = ', iitend_date |
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| 286 | WRITE(numout,*) ' iitbkg_date = ', iitbkg_date |
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| 287 | WRITE(numout,*) ' iitdin_date = ', iitdin_date |
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| 288 | WRITE(numout,*) ' iitiaustr_date = ', iitiaustr_date |
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| 289 | WRITE(numout,*) ' iitiaufin_date = ', iitiaufin_date |
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| 290 | ENDIF |
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| 291 | |
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| 292 | IF ( nacc /= 0 ) & |
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| 293 | & CALL ctl_stop( ' nacc /= 0 and key_asminc :', & |
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| 294 | & ' Assimilation increments have only been implemented', & |
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| 295 | & ' for synchronous time stepping' ) |
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| 296 | |
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| 297 | IF ( ( ln_asmdin ).AND.( ln_asmiau ) ) & |
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| 298 | & CALL ctl_stop( ' ln_asmdin and ln_asmiau :', & |
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| 299 | & ' Choose Direct Initialization OR Incremental Analysis Updating') |
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| 300 | |
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| 301 | IF ( ( ( .NOT. ln_asmdin ).AND.( .NOT. ln_asmiau ) ) & |
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[8495] | 302 | & .AND.( ( ln_trainc ).OR.( ln_dyninc ).OR.( ln_sshinc ).OR.( ln_seaiceinc ).OR. & |
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| 303 | & ( ln_logchlinc ).OR.( ln_pco2inc ).OR.( ln_fco2inc ) )) & |
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| 304 | & CALL ctl_stop( ' One or more of ln_trainc, ln_dyninc, ln_sshinc, ln_seaiceinc,', & |
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| 305 | & ' ln_logchlinc, ln_pco2inc, and ln_fco2inc is set to .true.', & |
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[2128] | 306 | & ' but ln_asmdin and ln_asmiau are both set to .false. :', & |
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| 307 | & ' Inconsistent options') |
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| 308 | |
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| 309 | IF ( ( niaufn /= 0 ).AND.( niaufn /= 1 ) ) & |
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| 310 | & CALL ctl_stop( ' niaufn /= 0 or niaufn /=1 :', & |
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| 311 | & ' Type IAU weighting function is invalid') |
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| 312 | |
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[3764] | 313 | IF ( ( .NOT. ln_trainc ).AND.( .NOT. ln_dyninc ).AND.( .NOT. ln_sshinc ).AND.( .NOT. ln_seaiceinc ) & |
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[8495] | 314 | & .AND.( .NOT. ln_logchlinc ).AND.( .NOT. ln_pco2inc ).AND.( .NOT. ln_fco2inc ) ) & |
---|
| 315 | & CALL ctl_warn( ' ln_trainc, ln_dyninc, ln_sshinc, ln_seaiceinc,', & |
---|
| 316 | & ' ln_logchlinc, ln_pco2inc, and ln_fco2inc are set to .false. :', & |
---|
[2128] | 317 | & ' The assimilation increments are not applied') |
---|
| 318 | |
---|
| 319 | IF ( ( ln_asmiau ).AND.( nitiaustr == nitiaufin ) ) & |
---|
| 320 | & CALL ctl_stop( ' nitiaustr = nitiaufin :', & |
---|
| 321 | & ' IAU interval is of zero length') |
---|
| 322 | |
---|
| 323 | IF ( ( ln_asmiau ).AND.( ( nitiaustr_r < nit000 ).OR.( nitiaufin_r > nitend ) ) ) & |
---|
| 324 | & CALL ctl_stop( ' nitiaustr or nitiaufin :', & |
---|
| 325 | & ' IAU starting or final time step is outside the cycle interval', & |
---|
| 326 | & ' Valid range nit000 to nitend') |
---|
| 327 | |
---|
| 328 | IF ( ( nitbkg_r < nit000 - 1 ).OR.( nitbkg_r > nitend ) ) & |
---|
| 329 | & CALL ctl_stop( ' nitbkg :', & |
---|
| 330 | & ' Background time step is outside the cycle interval') |
---|
| 331 | |
---|
| 332 | IF ( ( nitdin_r < nit000 - 1 ).OR.( nitdin_r > nitend ) ) & |
---|
| 333 | & CALL ctl_stop( ' nitdin :', & |
---|
| 334 | & ' Background time step for Direct Initialization is outside', & |
---|
| 335 | & ' the cycle interval') |
---|
| 336 | |
---|
[8495] | 337 | IF ( ( ln_balwri ).AND.( .NOT. ln_logchlinc ).AND.( .NOT. ln_pco2inc ).AND.( .NOT. ln_fco2inc ) ) THEN |
---|
| 338 | CALL ctl_warn( ' Balancing increments are only calculated for logchl and pCO2/fCO2', & |
---|
| 339 | & ' Not assimilating logchl, pCO2 or fCO2, so ln_balwri will be set to .false.') |
---|
| 340 | ln_balwri = .FALSE. |
---|
| 341 | ENDIF |
---|
| 342 | |
---|
| 343 | IF ( ( ln_logchlbal ).AND.( .NOT. ln_logchlinc ) ) THEN |
---|
| 344 | CALL ctl_warn( ' Cannot calculate logchl balancing increments if not assimilating logchl', & |
---|
| 345 | & ' Not assimilating logchl, so ln_logchlbal will be set to .false.') |
---|
| 346 | ln_logchlbal = .FALSE. |
---|
| 347 | ENDIF |
---|
| 348 | |
---|
| 349 | IF ( ( ln_pco2inc ).AND.( ln_fco2inc ) ) THEN |
---|
| 350 | CALL ctl_stop( ' Can only assimilate pCO2 OR fCO2, not both' ) |
---|
| 351 | ENDIF |
---|
| 352 | |
---|
[2128] | 353 | IF ( nstop > 0 ) RETURN ! if there are any errors then go no further |
---|
| 354 | |
---|
| 355 | !-------------------------------------------------------------------- |
---|
| 356 | ! Initialize the Incremental Analysis Updating weighting function |
---|
| 357 | !-------------------------------------------------------------------- |
---|
| 358 | |
---|
| 359 | IF ( ln_asmiau ) THEN |
---|
| 360 | |
---|
| 361 | ALLOCATE( wgtiau( icycper ) ) |
---|
| 362 | |
---|
| 363 | wgtiau(:) = 0.0 |
---|
| 364 | |
---|
| 365 | IF ( niaufn == 0 ) THEN |
---|
| 366 | |
---|
| 367 | !--------------------------------------------------------- |
---|
| 368 | ! Constant IAU forcing |
---|
| 369 | !--------------------------------------------------------- |
---|
| 370 | |
---|
| 371 | DO jt = 1, iiauper |
---|
| 372 | wgtiau(jt+nitiaustr-1) = 1.0 / REAL( iiauper ) |
---|
| 373 | END DO |
---|
| 374 | |
---|
| 375 | ELSEIF ( niaufn == 1 ) THEN |
---|
| 376 | |
---|
| 377 | !--------------------------------------------------------- |
---|
| 378 | ! Linear hat-like, centred in middle of IAU interval |
---|
| 379 | !--------------------------------------------------------- |
---|
| 380 | |
---|
| 381 | ! Compute the normalization factor |
---|
| 382 | znorm = 0.0 |
---|
| 383 | IF ( MOD( iiauper, 2 ) == 0 ) THEN ! Even number of time steps in IAU interval |
---|
| 384 | imid = iiauper / 2 |
---|
| 385 | DO jt = 1, imid |
---|
| 386 | znorm = znorm + REAL( jt ) |
---|
| 387 | END DO |
---|
| 388 | znorm = 2.0 * znorm |
---|
| 389 | ELSE ! Odd number of time steps in IAU interval |
---|
| 390 | imid = ( iiauper + 1 ) / 2 |
---|
| 391 | DO jt = 1, imid - 1 |
---|
| 392 | znorm = znorm + REAL( jt ) |
---|
| 393 | END DO |
---|
| 394 | znorm = 2.0 * znorm + REAL( imid ) |
---|
| 395 | ENDIF |
---|
| 396 | znorm = 1.0 / znorm |
---|
| 397 | |
---|
| 398 | DO jt = 1, imid - 1 |
---|
| 399 | wgtiau(jt+nitiaustr-1) = REAL( jt ) * znorm |
---|
| 400 | END DO |
---|
| 401 | DO jt = imid, iiauper |
---|
| 402 | wgtiau(jt+nitiaustr-1) = REAL( iiauper - jt + 1 ) * znorm |
---|
| 403 | END DO |
---|
| 404 | |
---|
| 405 | ENDIF |
---|
| 406 | |
---|
| 407 | ! Test that the integral of the weights over the weighting interval equals 1 |
---|
| 408 | IF(lwp) THEN |
---|
| 409 | WRITE(numout,*) |
---|
| 410 | WRITE(numout,*) 'asm_inc_init : IAU weights' |
---|
| 411 | WRITE(numout,*) '~~~~~~~~~~~~' |
---|
| 412 | WRITE(numout,*) ' time step IAU weight' |
---|
| 413 | WRITE(numout,*) ' ========= =====================' |
---|
| 414 | ztotwgt = 0.0 |
---|
| 415 | DO jt = 1, icycper |
---|
| 416 | ztotwgt = ztotwgt + wgtiau(jt) |
---|
| 417 | WRITE(numout,*) ' ', jt, ' ', wgtiau(jt) |
---|
| 418 | END DO |
---|
| 419 | WRITE(numout,*) ' ===================================' |
---|
| 420 | WRITE(numout,*) ' Time-integrated weight = ', ztotwgt |
---|
| 421 | WRITE(numout,*) ' ===================================' |
---|
| 422 | ENDIF |
---|
| 423 | |
---|
| 424 | ENDIF |
---|
| 425 | |
---|
| 426 | !-------------------------------------------------------------------- |
---|
| 427 | ! Allocate and initialize the increment arrays |
---|
| 428 | !-------------------------------------------------------------------- |
---|
| 429 | |
---|
| 430 | ALLOCATE( t_bkginc(jpi,jpj,jpk) ) |
---|
| 431 | ALLOCATE( s_bkginc(jpi,jpj,jpk) ) |
---|
| 432 | ALLOCATE( u_bkginc(jpi,jpj,jpk) ) |
---|
| 433 | ALLOCATE( v_bkginc(jpi,jpj,jpk) ) |
---|
| 434 | ALLOCATE( ssh_bkginc(jpi,jpj) ) |
---|
[3764] | 435 | ALLOCATE( seaice_bkginc(jpi,jpj)) |
---|
[2128] | 436 | #if defined key_asminc |
---|
| 437 | ALLOCATE( ssh_iau(jpi,jpj) ) |
---|
| 438 | #endif |
---|
| 439 | t_bkginc(:,:,:) = 0.0 |
---|
| 440 | s_bkginc(:,:,:) = 0.0 |
---|
| 441 | u_bkginc(:,:,:) = 0.0 |
---|
| 442 | v_bkginc(:,:,:) = 0.0 |
---|
| 443 | ssh_bkginc(:,:) = 0.0 |
---|
[3764] | 444 | seaice_bkginc(:,:) = 0.0 |
---|
[2128] | 445 | #if defined key_asminc |
---|
| 446 | ssh_iau(:,:) = 0.0 |
---|
| 447 | #endif |
---|
[8495] | 448 | IF ( ln_logchlinc ) THEN |
---|
| 449 | ALLOCATE( logchl_bkginc(jpi,jpj) ) |
---|
| 450 | logchl_bkginc(:,:) = 0.0 |
---|
| 451 | #if defined key_top |
---|
| 452 | ALLOCATE( logchl_balinc(jpi,jpj,jpk,jptra) ) |
---|
| 453 | logchl_balinc(:,:,:,:) = 0.0 |
---|
| 454 | #endif |
---|
| 455 | ENDIF |
---|
| 456 | IF ( ln_pco2inc .OR. ln_fco2inc ) THEN |
---|
| 457 | ALLOCATE( pco2_bkginc(jpi,jpj) ) |
---|
| 458 | pco2_bkginc(:,:) = 0.0 |
---|
| 459 | #if defined key_top |
---|
| 460 | ALLOCATE( pco2_balinc(jpi,jpj,jpk,jptra) ) |
---|
| 461 | pco2_balinc(:,:,:,:) = 0.0 |
---|
| 462 | #endif |
---|
| 463 | ENDIF |
---|
| 464 | IF ( ( ln_trainc ).OR.( ln_dyninc ).OR.( ln_sshinc ).OR.( ln_seaiceinc ) & |
---|
| 465 | & .OR.( ln_logchlinc ).OR.( ln_pco2inc ).OR.( ln_fco2inc ) ) THEN |
---|
[2128] | 466 | |
---|
| 467 | !-------------------------------------------------------------------- |
---|
| 468 | ! Read the increments from file |
---|
| 469 | !-------------------------------------------------------------------- |
---|
| 470 | |
---|
| 471 | CALL iom_open( c_asminc, inum ) |
---|
| 472 | |
---|
| 473 | CALL iom_get( inum, 'time', zdate_inc ) |
---|
| 474 | |
---|
| 475 | CALL iom_get( inum, 'z_inc_dateb', z_inc_dateb ) |
---|
| 476 | CALL iom_get( inum, 'z_inc_datef', z_inc_datef ) |
---|
| 477 | z_inc_dateb = zdate_inc |
---|
| 478 | z_inc_datef = zdate_inc |
---|
| 479 | |
---|
| 480 | IF(lwp) THEN |
---|
| 481 | WRITE(numout,*) |
---|
| 482 | WRITE(numout,*) 'asm_inc_init : Assimilation increments valid ', & |
---|
| 483 | & ' between dates ', NINT( z_inc_dateb ),' and ', & |
---|
| 484 | & NINT( z_inc_datef ) |
---|
| 485 | WRITE(numout,*) '~~~~~~~~~~~~' |
---|
| 486 | ENDIF |
---|
| 487 | |
---|
| 488 | IF ( ( NINT( z_inc_dateb ) < ndastp ) & |
---|
| 489 | & .OR.( NINT( z_inc_datef ) > iitend_date ) ) & |
---|
| 490 | & CALL ctl_warn( ' Validity time of assimilation increments is ', & |
---|
| 491 | & ' outside the assimilation interval' ) |
---|
| 492 | |
---|
| 493 | IF ( ( ln_asmdin ).AND.( NINT( zdate_inc ) /= iitdin_date ) ) & |
---|
| 494 | & CALL ctl_warn( ' Validity time of assimilation increments does ', & |
---|
| 495 | & ' not agree with Direct Initialization time' ) |
---|
| 496 | |
---|
| 497 | IF ( ln_trainc ) THEN |
---|
| 498 | CALL iom_get( inum, jpdom_autoglo, 'bckint', t_bkginc, 1 ) |
---|
| 499 | CALL iom_get( inum, jpdom_autoglo, 'bckins', s_bkginc, 1 ) |
---|
| 500 | ! Apply the masks |
---|
| 501 | t_bkginc(:,:,:) = t_bkginc(:,:,:) * tmask(:,:,:) |
---|
| 502 | s_bkginc(:,:,:) = s_bkginc(:,:,:) * tmask(:,:,:) |
---|
| 503 | ! Set missing increments to 0.0 rather than 1e+20 |
---|
| 504 | ! to allow for differences in masks |
---|
| 505 | WHERE( ABS( t_bkginc(:,:,:) ) > 1.0e+10 ) t_bkginc(:,:,:) = 0.0 |
---|
| 506 | WHERE( ABS( s_bkginc(:,:,:) ) > 1.0e+10 ) s_bkginc(:,:,:) = 0.0 |
---|
| 507 | ENDIF |
---|
| 508 | |
---|
| 509 | IF ( ln_dyninc ) THEN |
---|
| 510 | CALL iom_get( inum, jpdom_autoglo, 'bckinu', u_bkginc, 1 ) |
---|
| 511 | CALL iom_get( inum, jpdom_autoglo, 'bckinv', v_bkginc, 1 ) |
---|
| 512 | ! Apply the masks |
---|
| 513 | u_bkginc(:,:,:) = u_bkginc(:,:,:) * umask(:,:,:) |
---|
| 514 | v_bkginc(:,:,:) = v_bkginc(:,:,:) * vmask(:,:,:) |
---|
| 515 | ! Set missing increments to 0.0 rather than 1e+20 |
---|
| 516 | ! to allow for differences in masks |
---|
| 517 | WHERE( ABS( u_bkginc(:,:,:) ) > 1.0e+10 ) u_bkginc(:,:,:) = 0.0 |
---|
| 518 | WHERE( ABS( v_bkginc(:,:,:) ) > 1.0e+10 ) v_bkginc(:,:,:) = 0.0 |
---|
| 519 | ENDIF |
---|
| 520 | |
---|
| 521 | IF ( ln_sshinc ) THEN |
---|
| 522 | CALL iom_get( inum, jpdom_autoglo, 'bckineta', ssh_bkginc, 1 ) |
---|
| 523 | ! Apply the masks |
---|
| 524 | ssh_bkginc(:,:) = ssh_bkginc(:,:) * tmask(:,:,1) |
---|
| 525 | ! Set missing increments to 0.0 rather than 1e+20 |
---|
| 526 | ! to allow for differences in masks |
---|
| 527 | WHERE( ABS( ssh_bkginc(:,:) ) > 1.0e+10 ) ssh_bkginc(:,:) = 0.0 |
---|
| 528 | ENDIF |
---|
| 529 | |
---|
[3764] | 530 | IF ( ln_seaiceinc ) THEN |
---|
| 531 | CALL iom_get( inum, jpdom_autoglo, 'bckinseaice', seaice_bkginc, 1 ) |
---|
| 532 | ! Apply the masks |
---|
| 533 | seaice_bkginc(:,:) = seaice_bkginc(:,:) * tmask(:,:,1) |
---|
| 534 | ! Set missing increments to 0.0 rather than 1e+20 |
---|
| 535 | ! to allow for differences in masks |
---|
| 536 | WHERE( ABS( seaice_bkginc(:,:) ) > 1.0e+10 ) seaice_bkginc(:,:) = 0.0 |
---|
| 537 | ENDIF |
---|
| 538 | |
---|
[8495] | 539 | IF ( ln_logchlinc ) THEN |
---|
| 540 | CALL iom_get( inum, jpdom_autoglo, 'bckinlogchl', logchl_bkginc(:,:), 1 ) |
---|
| 541 | ! Apply the masks |
---|
| 542 | logchl_bkginc(:,:) = logchl_bkginc(:,:) * tmask(:,:,1) |
---|
| 543 | ! Set missing increments to 0.0 rather than 1e+20 |
---|
| 544 | ! to allow for differences in masks |
---|
| 545 | WHERE( ABS( logchl_bkginc(:,:) ) > 1.0e+10 ) logchl_bkginc(:,:) = 0.0 |
---|
| 546 | ENDIF |
---|
| 547 | |
---|
| 548 | IF ( ln_pco2inc .OR. ln_fco2inc ) THEN |
---|
| 549 | IF ( ln_pco2inc ) THEN |
---|
| 550 | CALL iom_get( inum, jpdom_autoglo, 'bckinpco2', pco2_bkginc(:,:), 1 ) |
---|
| 551 | ELSE IF ( ln_fco2inc ) THEN |
---|
| 552 | CALL iom_get( inum, jpdom_autoglo, 'bckinfco2', pco2_bkginc(:,:), 1 ) |
---|
| 553 | ENDIF |
---|
| 554 | ! Apply the masks |
---|
| 555 | pco2_bkginc(:,:) = pco2_bkginc(:,:) * tmask(:,:,1) |
---|
| 556 | ! Set missing increments to 0.0 rather than 1e+20 |
---|
| 557 | ! to allow for differences in masks |
---|
| 558 | WHERE( ABS( pco2_bkginc(:,:) ) > 1.0e+10 ) pco2_bkginc(:,:) = 0.0 |
---|
| 559 | ENDIF |
---|
| 560 | |
---|
[2128] | 561 | CALL iom_close( inum ) |
---|
| 562 | |
---|
| 563 | ENDIF |
---|
| 564 | |
---|
| 565 | !----------------------------------------------------------------------- |
---|
[3294] | 566 | ! Apply divergence damping filter |
---|
| 567 | !----------------------------------------------------------------------- |
---|
| 568 | |
---|
| 569 | IF ( ln_dyninc .AND. nn_divdmp > 0 ) THEN |
---|
| 570 | |
---|
[3764] | 571 | CALL wrk_alloc(jpi,jpj,hdiv) |
---|
[3294] | 572 | |
---|
[3764] | 573 | DO jt = 1, nn_divdmp |
---|
[3294] | 574 | |
---|
[3764] | 575 | DO jk = 1, jpkm1 |
---|
[3294] | 576 | |
---|
[3764] | 577 | hdiv(:,:) = 0._wp |
---|
[3294] | 578 | |
---|
[3764] | 579 | DO jj = 2, jpjm1 |
---|
| 580 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 581 | hdiv(ji,jj) = & |
---|
| 582 | ( e2u(ji ,jj ) * fse3u(ji ,jj ,jk) * u_bkginc(ji ,jj ,jk) & |
---|
| 583 | - e2u(ji-1,jj ) * fse3u(ji-1,jj ,jk) * u_bkginc(ji-1,jj ,jk) & |
---|
| 584 | + e1v(ji ,jj ) * fse3v(ji ,jj ,jk) * v_bkginc(ji ,jj ,jk) & |
---|
| 585 | - e1v(ji ,jj-1) * fse3v(ji ,jj-1,jk) * v_bkginc(ji ,jj-1,jk) ) & |
---|
| 586 | / ( e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,jk) ) |
---|
| 587 | END DO |
---|
[3294] | 588 | END DO |
---|
| 589 | |
---|
[3764] | 590 | CALL lbc_lnk( hdiv, 'T', 1. ) ! lateral boundary cond. (no sign change) |
---|
[3294] | 591 | |
---|
[3764] | 592 | DO jj = 2, jpjm1 |
---|
| 593 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 594 | u_bkginc(ji,jj,jk) = u_bkginc(ji,jj,jk) + 0.2_wp * ( e1t(ji+1,jj)*e2t(ji+1,jj) * hdiv(ji+1,jj) & |
---|
| 595 | - e1t(ji ,jj)*e2t(ji ,jj) * hdiv(ji ,jj) ) & |
---|
| 596 | / e1u(ji,jj) * umask(ji,jj,jk) |
---|
| 597 | v_bkginc(ji,jj,jk) = v_bkginc(ji,jj,jk) + 0.2_wp * ( e1t(ji,jj+1)*e2t(ji,jj+1) * hdiv(ji,jj+1) & |
---|
| 598 | - e1t(ji,jj )*e2t(ji,jj ) * hdiv(ji,jj ) ) & |
---|
| 599 | / e2v(ji,jj) * vmask(ji,jj,jk) |
---|
| 600 | END DO |
---|
[3294] | 601 | END DO |
---|
[3764] | 602 | |
---|
[3294] | 603 | END DO |
---|
| 604 | |
---|
[3764] | 605 | END DO |
---|
[3294] | 606 | |
---|
[3764] | 607 | CALL wrk_dealloc(jpi,jpj,hdiv) |
---|
[3294] | 608 | |
---|
| 609 | ENDIF |
---|
| 610 | |
---|
| 611 | |
---|
| 612 | |
---|
| 613 | !----------------------------------------------------------------------- |
---|
[2128] | 614 | ! Allocate and initialize the background state arrays |
---|
| 615 | !----------------------------------------------------------------------- |
---|
| 616 | |
---|
| 617 | IF ( ln_asmdin ) THEN |
---|
| 618 | |
---|
| 619 | ALLOCATE( t_bkg(jpi,jpj,jpk) ) |
---|
| 620 | ALLOCATE( s_bkg(jpi,jpj,jpk) ) |
---|
| 621 | ALLOCATE( u_bkg(jpi,jpj,jpk) ) |
---|
| 622 | ALLOCATE( v_bkg(jpi,jpj,jpk) ) |
---|
| 623 | ALLOCATE( ssh_bkg(jpi,jpj) ) |
---|
| 624 | |
---|
| 625 | t_bkg(:,:,:) = 0.0 |
---|
| 626 | s_bkg(:,:,:) = 0.0 |
---|
| 627 | u_bkg(:,:,:) = 0.0 |
---|
| 628 | v_bkg(:,:,:) = 0.0 |
---|
| 629 | ssh_bkg(:,:) = 0.0 |
---|
| 630 | |
---|
| 631 | !-------------------------------------------------------------------- |
---|
| 632 | ! Read from file the background state at analysis time |
---|
| 633 | !-------------------------------------------------------------------- |
---|
| 634 | |
---|
| 635 | CALL iom_open( c_asmdin, inum ) |
---|
| 636 | |
---|
[3764] | 637 | CALL iom_get( inum, 'rdastp', zdate_bkg ) |
---|
[2128] | 638 | |
---|
| 639 | IF(lwp) THEN |
---|
| 640 | WRITE(numout,*) |
---|
| 641 | WRITE(numout,*) 'asm_inc_init : Assimilation background state valid at : ', & |
---|
| 642 | & NINT( zdate_bkg ) |
---|
| 643 | WRITE(numout,*) '~~~~~~~~~~~~' |
---|
| 644 | ENDIF |
---|
| 645 | |
---|
| 646 | IF ( NINT( zdate_bkg ) /= iitdin_date ) & |
---|
| 647 | & CALL ctl_warn( ' Validity time of assimilation background state does', & |
---|
| 648 | & ' not agree with Direct Initialization time' ) |
---|
| 649 | |
---|
| 650 | IF ( ln_trainc ) THEN |
---|
| 651 | CALL iom_get( inum, jpdom_autoglo, 'tn', t_bkg ) |
---|
| 652 | CALL iom_get( inum, jpdom_autoglo, 'sn', s_bkg ) |
---|
| 653 | t_bkg(:,:,:) = t_bkg(:,:,:) * tmask(:,:,:) |
---|
| 654 | s_bkg(:,:,:) = s_bkg(:,:,:) * tmask(:,:,:) |
---|
| 655 | ENDIF |
---|
| 656 | |
---|
| 657 | IF ( ln_dyninc ) THEN |
---|
| 658 | CALL iom_get( inum, jpdom_autoglo, 'un', u_bkg ) |
---|
| 659 | CALL iom_get( inum, jpdom_autoglo, 'vn', v_bkg ) |
---|
| 660 | u_bkg(:,:,:) = u_bkg(:,:,:) * umask(:,:,:) |
---|
| 661 | v_bkg(:,:,:) = v_bkg(:,:,:) * vmask(:,:,:) |
---|
| 662 | ENDIF |
---|
| 663 | |
---|
| 664 | IF ( ln_sshinc ) THEN |
---|
| 665 | CALL iom_get( inum, jpdom_autoglo, 'sshn', ssh_bkg ) |
---|
| 666 | ssh_bkg(:,:) = ssh_bkg(:,:) * tmask(:,:,1) |
---|
| 667 | ENDIF |
---|
| 668 | |
---|
| 669 | CALL iom_close( inum ) |
---|
| 670 | |
---|
| 671 | ENDIF |
---|
[8495] | 672 | |
---|
| 673 | #if defined key_hadocc || (defined key_medusa && defined key_foam_medusa) |
---|
| 674 | IF ( ln_logchlinc ) THEN |
---|
| 675 | |
---|
| 676 | ALLOCATE( pgrow_avg_bkg(jpi,jpj) ) |
---|
| 677 | ALLOCATE( ploss_avg_bkg(jpi,jpj) ) |
---|
| 678 | ALLOCATE( phyt_avg_bkg(jpi,jpj) ) |
---|
| 679 | ALLOCATE( mld_max_bkg(jpi,jpj) ) |
---|
| 680 | ALLOCATE( tracer_bkg(jpi,jpj,jpk,jptra) ) |
---|
| 681 | pgrow_avg_bkg(:,:) = 0.0 |
---|
| 682 | ploss_avg_bkg(:,:) = 0.0 |
---|
| 683 | phyt_avg_bkg(:,:) = 0.0 |
---|
| 684 | mld_max_bkg(:,:) = 0.0 |
---|
| 685 | tracer_bkg(:,:,:,:) = 0.0 |
---|
| 686 | |
---|
| 687 | #if defined key_hadocc |
---|
| 688 | ALLOCATE( chl_bkg(jpi,jpj) ) |
---|
| 689 | ALLOCATE( cchl_p_bkg(jpi,jpj) ) |
---|
| 690 | chl_bkg(:,:) = 0.0 |
---|
| 691 | cchl_p_bkg(:,:) = 0.0 |
---|
| 692 | #endif |
---|
| 693 | |
---|
| 694 | !-------------------------------------------------------------------- |
---|
| 695 | ! Read background variables for logchl assimilation |
---|
| 696 | ! Some only required if performing balancing |
---|
| 697 | !-------------------------------------------------------------------- |
---|
| 698 | |
---|
| 699 | CALL iom_open( c_asmbkg, inum ) |
---|
| 700 | |
---|
| 701 | #if defined key_hadocc |
---|
| 702 | CALL iom_get( inum, jpdom_autoglo, 'hadocc_chl', chl_bkg ) |
---|
| 703 | CALL iom_get( inum, jpdom_autoglo, 'hadocc_cchl', cchl_p_bkg ) |
---|
| 704 | chl_bkg(:,:) = chl_bkg(:,:) * tmask(:,:,1) |
---|
| 705 | cchl_p_bkg(:,:) = cchl_p_bkg(:,:) * tmask(:,:,1) |
---|
| 706 | #elif defined key_medusa |
---|
| 707 | CALL iom_get( inum, jpdom_autoglo, 'medusa_chn', tracer_bkg(:,:,:,jpchn) ) |
---|
| 708 | CALL iom_get( inum, jpdom_autoglo, 'medusa_chd', tracer_bkg(:,:,:,jpchd) ) |
---|
| 709 | #endif |
---|
| 710 | |
---|
| 711 | IF ( ln_logchlbal ) THEN |
---|
| 712 | |
---|
| 713 | CALL iom_get( inum, jpdom_autoglo, 'pgrow_avg', pgrow_avg_bkg ) |
---|
| 714 | CALL iom_get( inum, jpdom_autoglo, 'ploss_avg', ploss_avg_bkg ) |
---|
| 715 | CALL iom_get( inum, jpdom_autoglo, 'phyt_avg', phyt_avg_bkg ) |
---|
| 716 | CALL iom_get( inum, jpdom_autoglo, 'mld_max', mld_max_bkg ) |
---|
| 717 | pgrow_avg_bkg(:,:) = pgrow_avg_bkg(:,:) * tmask(:,:,1) |
---|
| 718 | ploss_avg_bkg(:,:) = ploss_avg_bkg(:,:) * tmask(:,:,1) |
---|
| 719 | phyt_avg_bkg(:,:) = phyt_avg_bkg(:,:) * tmask(:,:,1) |
---|
| 720 | mld_max_bkg(:,:) = mld_max_bkg(:,:) * tmask(:,:,1) |
---|
| 721 | |
---|
| 722 | #if defined key_hadocc |
---|
| 723 | CALL iom_get( inum, jpdom_autoglo, 'hadocc_nut', tracer_bkg(:,:,:,jp_had_nut) ) |
---|
| 724 | CALL iom_get( inum, jpdom_autoglo, 'hadocc_phy', tracer_bkg(:,:,:,jp_had_phy) ) |
---|
| 725 | CALL iom_get( inum, jpdom_autoglo, 'hadocc_zoo', tracer_bkg(:,:,:,jp_had_zoo) ) |
---|
| 726 | CALL iom_get( inum, jpdom_autoglo, 'hadocc_pdn', tracer_bkg(:,:,:,jp_had_pdn) ) |
---|
| 727 | CALL iom_get( inum, jpdom_autoglo, 'hadocc_dic', tracer_bkg(:,:,:,jp_had_dic) ) |
---|
| 728 | CALL iom_get( inum, jpdom_autoglo, 'hadocc_alk', tracer_bkg(:,:,:,jp_had_alk) ) |
---|
| 729 | #elif defined key_medusa |
---|
| 730 | CALL iom_get( inum, jpdom_autoglo, 'medusa_phn', tracer_bkg(:,:,:,jpphn) ) |
---|
| 731 | CALL iom_get( inum, jpdom_autoglo, 'medusa_phd', tracer_bkg(:,:,:,jpphd) ) |
---|
| 732 | CALL iom_get( inum, jpdom_autoglo, 'medusa_pds', tracer_bkg(:,:,:,jppds) ) |
---|
| 733 | CALL iom_get( inum, jpdom_autoglo, 'medusa_zmi', tracer_bkg(:,:,:,jpzmi) ) |
---|
| 734 | CALL iom_get( inum, jpdom_autoglo, 'medusa_zme', tracer_bkg(:,:,:,jpzme) ) |
---|
| 735 | CALL iom_get( inum, jpdom_autoglo, 'medusa_din', tracer_bkg(:,:,:,jpdin) ) |
---|
| 736 | CALL iom_get( inum, jpdom_autoglo, 'medusa_sil', tracer_bkg(:,:,:,jpsil) ) |
---|
| 737 | CALL iom_get( inum, jpdom_autoglo, 'medusa_fer', tracer_bkg(:,:,:,jpfer) ) |
---|
| 738 | CALL iom_get( inum, jpdom_autoglo, 'medusa_det', tracer_bkg(:,:,:,jpdet) ) |
---|
| 739 | CALL iom_get( inum, jpdom_autoglo, 'medusa_dtc', tracer_bkg(:,:,:,jpdtc) ) |
---|
| 740 | CALL iom_get( inum, jpdom_autoglo, 'medusa_dic', tracer_bkg(:,:,:,jpdic) ) |
---|
| 741 | CALL iom_get( inum, jpdom_autoglo, 'medusa_alk', tracer_bkg(:,:,:,jpalk) ) |
---|
| 742 | CALL iom_get( inum, jpdom_autoglo, 'medusa_oxy', tracer_bkg(:,:,:,jpoxy) ) |
---|
| 743 | #endif |
---|
| 744 | ELSE IF ( ln_pco2inc .OR. ln_fco2inc ) THEN |
---|
| 745 | #if defined key_hadocc |
---|
| 746 | CALL iom_get( inum, jpdom_autoglo, 'hadocc_dic', tracer_bkg(:,:,:,jp_had_dic) ) |
---|
| 747 | CALL iom_get( inum, jpdom_autoglo, 'hadocc_alk', tracer_bkg(:,:,:,jp_had_alk) ) |
---|
| 748 | #elif defined key_medusa |
---|
| 749 | CALL iom_get( inum, jpdom_autoglo, 'medusa_dic', tracer_bkg(:,:,:,jpdic) ) |
---|
| 750 | CALL iom_get( inum, jpdom_autoglo, 'medusa_alk', tracer_bkg(:,:,:,jpalk) ) |
---|
| 751 | #endif |
---|
| 752 | ENDIF |
---|
| 753 | |
---|
| 754 | CALL iom_close( inum ) |
---|
| 755 | |
---|
| 756 | DO jt = 1, jptra |
---|
| 757 | tracer_bkg(:,:,:,jt) = tracer_bkg(:,:,:,jt) * tmask(:,:,:) |
---|
| 758 | END DO |
---|
| 759 | |
---|
| 760 | ELSE IF ( ln_pco2inc .OR. ln_fco2inc ) THEN |
---|
| 761 | |
---|
| 762 | ALLOCATE( tracer_bkg(jpi,jpj,jpk,jptra) ) |
---|
| 763 | tracer_bkg(:,:,:,:) = 0.0 |
---|
| 764 | |
---|
| 765 | CALL iom_open( c_asmbkg, inum ) |
---|
| 766 | |
---|
| 767 | #if defined key_hadocc |
---|
| 768 | CALL iom_get( inum, jpdom_autoglo, 'hadocc_dic', tracer_bkg(:,:,:,jp_had_dic) ) |
---|
| 769 | CALL iom_get( inum, jpdom_autoglo, 'hadocc_alk', tracer_bkg(:,:,:,jp_had_alk) ) |
---|
| 770 | #elif defined key_medusa |
---|
| 771 | CALL iom_get( inum, jpdom_autoglo, 'medusa_dic', tracer_bkg(:,:,:,jpdic) ) |
---|
| 772 | CALL iom_get( inum, jpdom_autoglo, 'medusa_alk', tracer_bkg(:,:,:,jpalk) ) |
---|
| 773 | #endif |
---|
| 774 | |
---|
| 775 | CALL iom_close( inum ) |
---|
| 776 | |
---|
| 777 | DO jt = 1, jptra |
---|
| 778 | tracer_bkg(:,:,:,jt) = tracer_bkg(:,:,:,jt) * tmask(:,:,:) |
---|
| 779 | END DO |
---|
| 780 | |
---|
| 781 | ENDIF |
---|
| 782 | #endif |
---|
[2392] | 783 | ! |
---|
[2128] | 784 | END SUBROUTINE asm_inc_init |
---|
| 785 | |
---|
[2392] | 786 | |
---|
[2128] | 787 | SUBROUTINE calc_date( kit000, kt, kdate0, kdate ) |
---|
| 788 | !!---------------------------------------------------------------------- |
---|
| 789 | !! *** ROUTINE calc_date *** |
---|
| 790 | !! |
---|
| 791 | !! ** Purpose : Compute the calendar date YYYYMMDD at a given time step. |
---|
| 792 | !! |
---|
| 793 | !! ** Method : Compute the calendar date YYYYMMDD at a given time step. |
---|
| 794 | !! |
---|
| 795 | !! ** Action : |
---|
| 796 | !!---------------------------------------------------------------------- |
---|
| 797 | INTEGER, INTENT(IN) :: kit000 ! Initial time step |
---|
| 798 | INTEGER, INTENT(IN) :: kt ! Current time step referenced to kit000 |
---|
| 799 | INTEGER, INTENT(IN) :: kdate0 ! Initial date |
---|
| 800 | INTEGER, INTENT(OUT) :: kdate ! Current date reference to kdate0 |
---|
[2392] | 801 | ! |
---|
[2128] | 802 | INTEGER :: iyea0 ! Initial year |
---|
| 803 | INTEGER :: imon0 ! Initial month |
---|
| 804 | INTEGER :: iday0 ! Initial day |
---|
| 805 | INTEGER :: iyea ! Current year |
---|
| 806 | INTEGER :: imon ! Current month |
---|
| 807 | INTEGER :: iday ! Current day |
---|
| 808 | INTEGER :: idaystp ! Number of days between initial and current date |
---|
| 809 | INTEGER :: idaycnt ! Day counter |
---|
| 810 | |
---|
| 811 | INTEGER, DIMENSION(12) :: imonth_len !: length in days of the months of the current year |
---|
| 812 | |
---|
| 813 | !----------------------------------------------------------------------- |
---|
| 814 | ! Compute the calendar date YYYYMMDD |
---|
| 815 | !----------------------------------------------------------------------- |
---|
| 816 | |
---|
| 817 | ! Initial date |
---|
| 818 | iyea0 = kdate0 / 10000 |
---|
| 819 | imon0 = ( kdate0 - ( iyea0 * 10000 ) ) / 100 |
---|
| 820 | iday0 = kdate0 - ( iyea0 * 10000 ) - ( imon0 * 100 ) |
---|
| 821 | |
---|
| 822 | ! Check that kt >= kit000 - 1 |
---|
| 823 | IF ( kt < kit000 - 1 ) CALL ctl_stop( ' kt must be >= kit000 - 1') |
---|
| 824 | |
---|
| 825 | ! If kt = kit000 - 1 then set the date to the restart date |
---|
| 826 | IF ( kt == kit000 - 1 ) THEN |
---|
| 827 | |
---|
| 828 | kdate = ndastp |
---|
| 829 | RETURN |
---|
| 830 | |
---|
| 831 | ENDIF |
---|
| 832 | |
---|
| 833 | ! Compute the number of days from the initial date |
---|
| 834 | idaystp = INT( REAL( kt - kit000 ) * rdt / 86400. ) |
---|
| 835 | |
---|
| 836 | iday = iday0 |
---|
| 837 | imon = imon0 |
---|
| 838 | iyea = iyea0 |
---|
| 839 | idaycnt = 0 |
---|
| 840 | |
---|
| 841 | CALL calc_month_len( iyea, imonth_len ) |
---|
| 842 | |
---|
| 843 | DO WHILE ( idaycnt < idaystp ) |
---|
| 844 | iday = iday + 1 |
---|
| 845 | IF ( iday > imonth_len(imon) ) THEN |
---|
| 846 | iday = 1 |
---|
| 847 | imon = imon + 1 |
---|
| 848 | ENDIF |
---|
| 849 | IF ( imon > 12 ) THEN |
---|
| 850 | imon = 1 |
---|
| 851 | iyea = iyea + 1 |
---|
| 852 | CALL calc_month_len( iyea, imonth_len ) ! update month lengths |
---|
| 853 | ENDIF |
---|
| 854 | idaycnt = idaycnt + 1 |
---|
| 855 | END DO |
---|
[2392] | 856 | ! |
---|
[2128] | 857 | kdate = iyea * 10000 + imon * 100 + iday |
---|
[2392] | 858 | ! |
---|
[2128] | 859 | END SUBROUTINE |
---|
| 860 | |
---|
[2392] | 861 | |
---|
[2128] | 862 | SUBROUTINE calc_month_len( iyear, imonth_len ) |
---|
| 863 | !!---------------------------------------------------------------------- |
---|
| 864 | !! *** ROUTINE calc_month_len *** |
---|
| 865 | !! |
---|
| 866 | !! ** Purpose : Compute the number of days in a months given a year. |
---|
| 867 | !! |
---|
| 868 | !! ** Method : |
---|
| 869 | !!---------------------------------------------------------------------- |
---|
| 870 | INTEGER, DIMENSION(12) :: imonth_len !: length in days of the months of the current year |
---|
| 871 | INTEGER :: iyear !: year |
---|
[2392] | 872 | !!---------------------------------------------------------------------- |
---|
| 873 | ! |
---|
[2128] | 874 | ! length of the month of the current year (from nleapy, read in namelist) |
---|
| 875 | IF ( nleapy < 2 ) THEN |
---|
| 876 | imonth_len(:) = (/ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 /) |
---|
| 877 | IF ( nleapy == 1 ) THEN ! we are using calendar with leap years |
---|
| 878 | IF ( MOD(iyear, 4) == 0 .AND. ( MOD(iyear, 400) == 0 .OR. MOD(iyear, 100) /= 0 ) ) THEN |
---|
| 879 | imonth_len(2) = 29 |
---|
| 880 | ENDIF |
---|
| 881 | ENDIF |
---|
| 882 | ELSE |
---|
| 883 | imonth_len(:) = nleapy ! all months with nleapy days per year |
---|
| 884 | ENDIF |
---|
[2392] | 885 | ! |
---|
[2128] | 886 | END SUBROUTINE |
---|
| 887 | |
---|
[2392] | 888 | |
---|
[2128] | 889 | SUBROUTINE tra_asm_inc( kt ) |
---|
| 890 | !!---------------------------------------------------------------------- |
---|
| 891 | !! *** ROUTINE tra_asm_inc *** |
---|
| 892 | !! |
---|
| 893 | !! ** Purpose : Apply the tracer (T and S) assimilation increments |
---|
| 894 | !! |
---|
| 895 | !! ** Method : Direct initialization or Incremental Analysis Updating |
---|
| 896 | !! |
---|
| 897 | !! ** Action : |
---|
| 898 | !!---------------------------------------------------------------------- |
---|
| 899 | INTEGER, INTENT(IN) :: kt ! Current time step |
---|
[2392] | 900 | ! |
---|
[2128] | 901 | INTEGER :: ji,jj,jk |
---|
| 902 | INTEGER :: it |
---|
| 903 | REAL(wp) :: zincwgt ! IAU weight for current time step |
---|
[3764] | 904 | REAL (wp), DIMENSION(jpi,jpj,jpk) :: fzptnz ! 3d freezing point values |
---|
[2392] | 905 | !!---------------------------------------------------------------------- |
---|
[2128] | 906 | |
---|
[3764] | 907 | ! freezing point calculation taken from oc_fz_pt (but calculated for all depths) |
---|
| 908 | ! used to prevent the applied increments taking the temperature below the local freezing point |
---|
| 909 | |
---|
[4990] | 910 | DO jk = 1, jpkm1 |
---|
[6498] | 911 | CALL eos_fzp( tsn(:,:,jk,jp_sal), fzptnz(:,:,jk), fsdept(:,:,jk) ) |
---|
[4990] | 912 | END DO |
---|
[3764] | 913 | |
---|
[2128] | 914 | IF ( ln_asmiau ) THEN |
---|
| 915 | |
---|
| 916 | !-------------------------------------------------------------------- |
---|
| 917 | ! Incremental Analysis Updating |
---|
| 918 | !-------------------------------------------------------------------- |
---|
| 919 | |
---|
| 920 | IF ( ( kt >= nitiaustr_r ).AND.( kt <= nitiaufin_r ) ) THEN |
---|
| 921 | |
---|
| 922 | it = kt - nit000 + 1 |
---|
| 923 | zincwgt = wgtiau(it) / rdt ! IAU weight for the current time step |
---|
| 924 | |
---|
| 925 | IF(lwp) THEN |
---|
| 926 | WRITE(numout,*) |
---|
[4990] | 927 | WRITE(numout,*) 'tra_asm_inc : Tracer IAU at time step = ', kt,' with IAU weight = ', wgtiau(it) |
---|
[2128] | 928 | WRITE(numout,*) '~~~~~~~~~~~~' |
---|
| 929 | ENDIF |
---|
| 930 | |
---|
| 931 | ! Update the tracer tendencies |
---|
| 932 | DO jk = 1, jpkm1 |
---|
[3764] | 933 | IF (ln_temnofreeze) THEN |
---|
| 934 | ! Do not apply negative increments if the temperature will fall below freezing |
---|
| 935 | WHERE(t_bkginc(:,:,jk) > 0.0_wp .OR. & |
---|
| 936 | & tsn(:,:,jk,jp_tem) + tsa(:,:,jk,jp_tem) + t_bkginc(:,:,jk) * wgtiau(it) > fzptnz(:,:,jk) ) |
---|
| 937 | tsa(:,:,jk,jp_tem) = tsa(:,:,jk,jp_tem) + t_bkginc(:,:,jk) * zincwgt |
---|
| 938 | END WHERE |
---|
| 939 | ELSE |
---|
| 940 | tsa(:,:,jk,jp_tem) = tsa(:,:,jk,jp_tem) + t_bkginc(:,:,jk) * zincwgt |
---|
| 941 | ENDIF |
---|
| 942 | IF (ln_salfix) THEN |
---|
| 943 | ! Do not apply negative increments if the salinity will fall below a specified |
---|
| 944 | ! minimum value salfixmin |
---|
| 945 | WHERE(s_bkginc(:,:,jk) > 0.0_wp .OR. & |
---|
| 946 | & tsn(:,:,jk,jp_sal) + tsa(:,:,jk,jp_sal) + s_bkginc(:,:,jk) * wgtiau(it) > salfixmin ) |
---|
| 947 | tsa(:,:,jk,jp_sal) = tsa(:,:,jk,jp_sal) + s_bkginc(:,:,jk) * zincwgt |
---|
| 948 | END WHERE |
---|
| 949 | ELSE |
---|
| 950 | tsa(:,:,jk,jp_sal) = tsa(:,:,jk,jp_sal) + s_bkginc(:,:,jk) * zincwgt |
---|
| 951 | ENDIF |
---|
[2128] | 952 | END DO |
---|
| 953 | |
---|
| 954 | ENDIF |
---|
| 955 | |
---|
| 956 | IF ( kt == nitiaufin_r + 1 ) THEN ! For bias crcn to work |
---|
| 957 | DEALLOCATE( t_bkginc ) |
---|
| 958 | DEALLOCATE( s_bkginc ) |
---|
| 959 | ENDIF |
---|
| 960 | |
---|
| 961 | |
---|
| 962 | ELSEIF ( ln_asmdin ) THEN |
---|
| 963 | |
---|
| 964 | !-------------------------------------------------------------------- |
---|
| 965 | ! Direct Initialization |
---|
| 966 | !-------------------------------------------------------------------- |
---|
| 967 | |
---|
| 968 | IF ( kt == nitdin_r ) THEN |
---|
| 969 | |
---|
| 970 | neuler = 0 ! Force Euler forward step |
---|
| 971 | |
---|
| 972 | ! Initialize the now fields with the background + increment |
---|
[3764] | 973 | IF (ln_temnofreeze) THEN |
---|
| 974 | ! Do not apply negative increments if the temperature will fall below freezing |
---|
[4990] | 975 | WHERE( t_bkginc(:,:,:) > 0.0_wp .OR. tsn(:,:,:,jp_tem) + t_bkginc(:,:,:) > fzptnz(:,:,:) ) |
---|
[3764] | 976 | tsn(:,:,:,jp_tem) = t_bkg(:,:,:) + t_bkginc(:,:,:) |
---|
| 977 | END WHERE |
---|
| 978 | ELSE |
---|
| 979 | tsn(:,:,:,jp_tem) = t_bkg(:,:,:) + t_bkginc(:,:,:) |
---|
| 980 | ENDIF |
---|
[2128] | 981 | IF (ln_salfix) THEN |
---|
[3764] | 982 | ! Do not apply negative increments if the salinity will fall below a specified |
---|
| 983 | ! minimum value salfixmin |
---|
[4990] | 984 | WHERE( s_bkginc(:,:,:) > 0.0_wp .OR. tsn(:,:,:,jp_sal) + s_bkginc(:,:,:) > salfixmin ) |
---|
[3764] | 985 | tsn(:,:,:,jp_sal) = s_bkg(:,:,:) + s_bkginc(:,:,:) |
---|
| 986 | END WHERE |
---|
| 987 | ELSE |
---|
| 988 | tsn(:,:,:,jp_sal) = s_bkg(:,:,:) + s_bkginc(:,:,:) |
---|
[2128] | 989 | ENDIF |
---|
| 990 | |
---|
[4990] | 991 | tsb(:,:,:,:) = tsn(:,:,:,:) ! Update before fields |
---|
[2128] | 992 | |
---|
[4990] | 993 | CALL eos( tsb, rhd, rhop, gdept_0(:,:,:) ) ! Before potential and in situ densities |
---|
| 994 | !!gm fabien |
---|
| 995 | ! CALL eos( tsb, rhd, rhop ) ! Before potential and in situ densities |
---|
| 996 | !!gm |
---|
| 997 | |
---|
| 998 | |
---|
[5120] | 999 | IF( ln_zps .AND. .NOT. lk_c1d .AND. .NOT. ln_isfcav) & |
---|
| 1000 | & CALL zps_hde ( kt, jpts, tsb, gtsu, gtsv, & ! Partial steps: before horizontal gradient |
---|
| 1001 | & rhd, gru , grv ) ! of t, s, rd at the last ocean level |
---|
| 1002 | IF( ln_zps .AND. .NOT. lk_c1d .AND. ln_isfcav) & |
---|
| 1003 | & CALL zps_hde_isf( nit000, jpts, tsb, gtsu, gtsv, & ! Partial steps for top cell (ISF) |
---|
| 1004 | & rhd, gru , grv , aru , arv , gzu , gzv , ge3ru , ge3rv , & |
---|
| 1005 | & gtui, gtvi, grui, grvi, arui, arvi, gzui, gzvi, ge3rui, ge3rvi ) ! of t, s, rd at the last ocean level |
---|
[2128] | 1006 | |
---|
[3764] | 1007 | #if defined key_zdfkpp |
---|
[4313] | 1008 | CALL eos( tsn, rhd, fsdept_n(:,:,:) ) ! Compute rhd |
---|
[4990] | 1009 | !!gm fabien CALL eos( tsn, rhd ) ! Compute rhd |
---|
[3764] | 1010 | #endif |
---|
| 1011 | |
---|
[2128] | 1012 | DEALLOCATE( t_bkginc ) |
---|
| 1013 | DEALLOCATE( s_bkginc ) |
---|
| 1014 | DEALLOCATE( t_bkg ) |
---|
| 1015 | DEALLOCATE( s_bkg ) |
---|
| 1016 | ENDIF |
---|
[2392] | 1017 | ! |
---|
[2128] | 1018 | ENDIF |
---|
[7962] | 1019 | ! Perhaps the following call should be in step |
---|
| 1020 | IF ( ln_seaiceinc ) CALL seaice_asm_inc ( kt ) ! apply sea ice concentration increment |
---|
[2392] | 1021 | ! |
---|
[2128] | 1022 | END SUBROUTINE tra_asm_inc |
---|
| 1023 | |
---|
[2392] | 1024 | |
---|
[2128] | 1025 | SUBROUTINE dyn_asm_inc( kt ) |
---|
| 1026 | !!---------------------------------------------------------------------- |
---|
| 1027 | !! *** ROUTINE dyn_asm_inc *** |
---|
| 1028 | !! |
---|
| 1029 | !! ** Purpose : Apply the dynamics (u and v) assimilation increments. |
---|
| 1030 | !! |
---|
| 1031 | !! ** Method : Direct initialization or Incremental Analysis Updating. |
---|
| 1032 | !! |
---|
| 1033 | !! ** Action : |
---|
| 1034 | !!---------------------------------------------------------------------- |
---|
| 1035 | INTEGER, INTENT(IN) :: kt ! Current time step |
---|
[2392] | 1036 | ! |
---|
[2128] | 1037 | INTEGER :: jk |
---|
| 1038 | INTEGER :: it |
---|
| 1039 | REAL(wp) :: zincwgt ! IAU weight for current time step |
---|
[2392] | 1040 | !!---------------------------------------------------------------------- |
---|
[2128] | 1041 | |
---|
| 1042 | IF ( ln_asmiau ) THEN |
---|
| 1043 | |
---|
| 1044 | !-------------------------------------------------------------------- |
---|
| 1045 | ! Incremental Analysis Updating |
---|
| 1046 | !-------------------------------------------------------------------- |
---|
| 1047 | |
---|
| 1048 | IF ( ( kt >= nitiaustr_r ).AND.( kt <= nitiaufin_r ) ) THEN |
---|
| 1049 | |
---|
| 1050 | it = kt - nit000 + 1 |
---|
| 1051 | zincwgt = wgtiau(it) / rdt ! IAU weight for the current time step |
---|
| 1052 | |
---|
| 1053 | IF(lwp) THEN |
---|
| 1054 | WRITE(numout,*) |
---|
| 1055 | WRITE(numout,*) 'dyn_asm_inc : Dynamics IAU at time step = ', & |
---|
| 1056 | & kt,' with IAU weight = ', wgtiau(it) |
---|
| 1057 | WRITE(numout,*) '~~~~~~~~~~~~' |
---|
| 1058 | ENDIF |
---|
| 1059 | |
---|
| 1060 | ! Update the dynamic tendencies |
---|
| 1061 | DO jk = 1, jpkm1 |
---|
| 1062 | ua(:,:,jk) = ua(:,:,jk) + u_bkginc(:,:,jk) * zincwgt |
---|
| 1063 | va(:,:,jk) = va(:,:,jk) + v_bkginc(:,:,jk) * zincwgt |
---|
| 1064 | END DO |
---|
| 1065 | |
---|
| 1066 | IF ( kt == nitiaufin_r ) THEN |
---|
| 1067 | DEALLOCATE( u_bkginc ) |
---|
| 1068 | DEALLOCATE( v_bkginc ) |
---|
| 1069 | ENDIF |
---|
| 1070 | |
---|
| 1071 | ENDIF |
---|
| 1072 | |
---|
| 1073 | ELSEIF ( ln_asmdin ) THEN |
---|
| 1074 | |
---|
| 1075 | !-------------------------------------------------------------------- |
---|
| 1076 | ! Direct Initialization |
---|
| 1077 | !-------------------------------------------------------------------- |
---|
| 1078 | |
---|
| 1079 | IF ( kt == nitdin_r ) THEN |
---|
| 1080 | |
---|
| 1081 | neuler = 0 ! Force Euler forward step |
---|
| 1082 | |
---|
| 1083 | ! Initialize the now fields with the background + increment |
---|
| 1084 | un(:,:,:) = u_bkg(:,:,:) + u_bkginc(:,:,:) |
---|
| 1085 | vn(:,:,:) = v_bkg(:,:,:) + v_bkginc(:,:,:) |
---|
| 1086 | |
---|
| 1087 | ub(:,:,:) = un(:,:,:) ! Update before fields |
---|
| 1088 | vb(:,:,:) = vn(:,:,:) |
---|
| 1089 | |
---|
| 1090 | DEALLOCATE( u_bkg ) |
---|
| 1091 | DEALLOCATE( v_bkg ) |
---|
| 1092 | DEALLOCATE( u_bkginc ) |
---|
| 1093 | DEALLOCATE( v_bkginc ) |
---|
| 1094 | ENDIF |
---|
[2392] | 1095 | ! |
---|
[2128] | 1096 | ENDIF |
---|
[2392] | 1097 | ! |
---|
[2128] | 1098 | END SUBROUTINE dyn_asm_inc |
---|
| 1099 | |
---|
[2392] | 1100 | |
---|
[2128] | 1101 | SUBROUTINE ssh_asm_inc( kt ) |
---|
| 1102 | !!---------------------------------------------------------------------- |
---|
| 1103 | !! *** ROUTINE ssh_asm_inc *** |
---|
| 1104 | !! |
---|
| 1105 | !! ** Purpose : Apply the sea surface height assimilation increment. |
---|
| 1106 | !! |
---|
| 1107 | !! ** Method : Direct initialization or Incremental Analysis Updating. |
---|
| 1108 | !! |
---|
| 1109 | !! ** Action : |
---|
| 1110 | !!---------------------------------------------------------------------- |
---|
| 1111 | INTEGER, INTENT(IN) :: kt ! Current time step |
---|
[2392] | 1112 | ! |
---|
[2128] | 1113 | INTEGER :: it |
---|
[3764] | 1114 | INTEGER :: jk |
---|
[2128] | 1115 | REAL(wp) :: zincwgt ! IAU weight for current time step |
---|
[2392] | 1116 | !!---------------------------------------------------------------------- |
---|
[2128] | 1117 | |
---|
| 1118 | IF ( ln_asmiau ) THEN |
---|
| 1119 | |
---|
| 1120 | !-------------------------------------------------------------------- |
---|
| 1121 | ! Incremental Analysis Updating |
---|
| 1122 | !-------------------------------------------------------------------- |
---|
| 1123 | |
---|
| 1124 | IF ( ( kt >= nitiaustr_r ).AND.( kt <= nitiaufin_r ) ) THEN |
---|
| 1125 | |
---|
| 1126 | it = kt - nit000 + 1 |
---|
| 1127 | zincwgt = wgtiau(it) / rdt ! IAU weight for the current time step |
---|
| 1128 | |
---|
| 1129 | IF(lwp) THEN |
---|
| 1130 | WRITE(numout,*) |
---|
| 1131 | WRITE(numout,*) 'ssh_asm_inc : SSH IAU at time step = ', & |
---|
| 1132 | & kt,' with IAU weight = ', wgtiau(it) |
---|
| 1133 | WRITE(numout,*) '~~~~~~~~~~~~' |
---|
| 1134 | ENDIF |
---|
| 1135 | |
---|
| 1136 | ! Save the tendency associated with the IAU weighted SSH increment |
---|
| 1137 | ! (applied in dynspg.*) |
---|
| 1138 | #if defined key_asminc |
---|
| 1139 | ssh_iau(:,:) = ssh_bkginc(:,:) * zincwgt |
---|
| 1140 | #endif |
---|
| 1141 | IF ( kt == nitiaufin_r ) THEN |
---|
| 1142 | DEALLOCATE( ssh_bkginc ) |
---|
| 1143 | ENDIF |
---|
| 1144 | |
---|
[8400] | 1145 | ELSE |
---|
| 1146 | #if defined key_asminc |
---|
| 1147 | ssh_iau(:,:) = 0.0 |
---|
| 1148 | #endif |
---|
[2128] | 1149 | ENDIF |
---|
| 1150 | |
---|
| 1151 | ELSEIF ( ln_asmdin ) THEN |
---|
| 1152 | |
---|
| 1153 | !-------------------------------------------------------------------- |
---|
| 1154 | ! Direct Initialization |
---|
| 1155 | !-------------------------------------------------------------------- |
---|
| 1156 | |
---|
| 1157 | IF ( kt == nitdin_r ) THEN |
---|
| 1158 | |
---|
| 1159 | neuler = 0 ! Force Euler forward step |
---|
| 1160 | |
---|
| 1161 | ! Initialize the now fields the background + increment |
---|
| 1162 | sshn(:,:) = ssh_bkg(:,:) + ssh_bkginc(:,:) |
---|
| 1163 | |
---|
[3764] | 1164 | ! Update before fields |
---|
| 1165 | sshb(:,:) = sshn(:,:) |
---|
[2128] | 1166 | |
---|
[3764] | 1167 | IF( lk_vvl ) THEN |
---|
| 1168 | DO jk = 1, jpk |
---|
| 1169 | fse3t_b(:,:,jk) = fse3t_n(:,:,jk) |
---|
| 1170 | END DO |
---|
| 1171 | ENDIF |
---|
| 1172 | |
---|
[2128] | 1173 | DEALLOCATE( ssh_bkg ) |
---|
| 1174 | DEALLOCATE( ssh_bkginc ) |
---|
| 1175 | |
---|
| 1176 | ENDIF |
---|
[2392] | 1177 | ! |
---|
[2128] | 1178 | ENDIF |
---|
[2392] | 1179 | ! |
---|
[2128] | 1180 | END SUBROUTINE ssh_asm_inc |
---|
| 1181 | |
---|
[3785] | 1182 | |
---|
[3764] | 1183 | SUBROUTINE seaice_asm_inc( kt, kindic ) |
---|
| 1184 | !!---------------------------------------------------------------------- |
---|
| 1185 | !! *** ROUTINE seaice_asm_inc *** |
---|
| 1186 | !! |
---|
| 1187 | !! ** Purpose : Apply the sea ice assimilation increment. |
---|
| 1188 | !! |
---|
| 1189 | !! ** Method : Direct initialization or Incremental Analysis Updating. |
---|
| 1190 | !! |
---|
| 1191 | !! ** Action : |
---|
| 1192 | !! |
---|
| 1193 | !!---------------------------------------------------------------------- |
---|
| 1194 | IMPLICIT NONE |
---|
[3785] | 1195 | ! |
---|
| 1196 | INTEGER, INTENT(in) :: kt ! Current time step |
---|
| 1197 | INTEGER, INTENT(in), OPTIONAL :: kindic ! flag for disabling the deallocation |
---|
| 1198 | ! |
---|
| 1199 | INTEGER :: it |
---|
| 1200 | REAL(wp) :: zincwgt ! IAU weight for current time step |
---|
| 1201 | #if defined key_lim2 |
---|
| 1202 | REAL(wp), DIMENSION(jpi,jpj) :: zofrld, zohicif, zseaicendg, zhicifinc ! LIM |
---|
| 1203 | REAL(wp) :: zhicifmin = 0.5_wp ! ice minimum depth in metres |
---|
[3764] | 1204 | #endif |
---|
[3785] | 1205 | !!---------------------------------------------------------------------- |
---|
[3764] | 1206 | |
---|
| 1207 | IF ( ln_asmiau ) THEN |
---|
| 1208 | |
---|
| 1209 | !-------------------------------------------------------------------- |
---|
| 1210 | ! Incremental Analysis Updating |
---|
| 1211 | !-------------------------------------------------------------------- |
---|
| 1212 | |
---|
| 1213 | IF ( ( kt >= nitiaustr_r ).AND.( kt <= nitiaufin_r ) ) THEN |
---|
| 1214 | |
---|
| 1215 | it = kt - nit000 + 1 |
---|
| 1216 | zincwgt = wgtiau(it) ! IAU weight for the current time step |
---|
| 1217 | ! note this is not a tendency so should not be divided by rdt (as with the tracer and other increments) |
---|
| 1218 | |
---|
| 1219 | IF(lwp) THEN |
---|
| 1220 | WRITE(numout,*) |
---|
| 1221 | WRITE(numout,*) 'seaice_asm_inc : sea ice conc IAU at time step = ', & |
---|
| 1222 | & kt,' with IAU weight = ', wgtiau(it) |
---|
| 1223 | WRITE(numout,*) '~~~~~~~~~~~~' |
---|
| 1224 | ENDIF |
---|
| 1225 | |
---|
[3785] | 1226 | ! Sea-ice : LIM-3 case (to add) |
---|
[3764] | 1227 | |
---|
[3785] | 1228 | #if defined key_lim2 |
---|
| 1229 | ! Sea-ice : LIM-2 case |
---|
| 1230 | zofrld (:,:) = frld(:,:) |
---|
| 1231 | zohicif(:,:) = hicif(:,:) |
---|
| 1232 | ! |
---|
| 1233 | frld = MIN( MAX( frld (:,:) - seaice_bkginc(:,:) * zincwgt, 0.0_wp), 1.0_wp) |
---|
[3764] | 1234 | pfrld = MIN( MAX( pfrld(:,:) - seaice_bkginc(:,:) * zincwgt, 0.0_wp), 1.0_wp) |
---|
| 1235 | fr_i(:,:) = 1.0_wp - frld(:,:) ! adjust ice fraction |
---|
[3785] | 1236 | ! |
---|
| 1237 | zseaicendg(:,:) = zofrld(:,:) - frld(:,:) ! find out actual sea ice nudge applied |
---|
| 1238 | ! |
---|
[3764] | 1239 | ! Nudge sea ice depth to bring it up to a required minimum depth |
---|
| 1240 | WHERE( zseaicendg(:,:) > 0.0_wp .AND. hicif(:,:) < zhicifmin ) |
---|
| 1241 | zhicifinc(:,:) = (zhicifmin - hicif(:,:)) * zincwgt |
---|
| 1242 | ELSEWHERE |
---|
| 1243 | zhicifinc(:,:) = 0.0_wp |
---|
| 1244 | END WHERE |
---|
[3785] | 1245 | ! |
---|
| 1246 | ! nudge ice depth |
---|
| 1247 | hicif (:,:) = hicif (:,:) + zhicifinc(:,:) |
---|
| 1248 | phicif(:,:) = phicif(:,:) + zhicifinc(:,:) |
---|
| 1249 | ! |
---|
| 1250 | ! seaice salinity balancing (to add) |
---|
[3764] | 1251 | #endif |
---|
| 1252 | |
---|
[4245] | 1253 | #if defined key_cice && defined key_asminc |
---|
[3785] | 1254 | ! Sea-ice : CICE case. Pass ice increment tendency into CICE |
---|
[3764] | 1255 | ndaice_da(:,:) = seaice_bkginc(:,:) * zincwgt / rdt |
---|
| 1256 | #endif |
---|
| 1257 | |
---|
| 1258 | IF ( kt == nitiaufin_r ) THEN |
---|
| 1259 | DEALLOCATE( seaice_bkginc ) |
---|
| 1260 | ENDIF |
---|
| 1261 | |
---|
| 1262 | ELSE |
---|
| 1263 | |
---|
[4245] | 1264 | #if defined key_cice && defined key_asminc |
---|
[3785] | 1265 | ! Sea-ice : CICE case. Zero ice increment tendency into CICE |
---|
[3764] | 1266 | ndaice_da(:,:) = 0.0_wp |
---|
| 1267 | #endif |
---|
| 1268 | |
---|
| 1269 | ENDIF |
---|
| 1270 | |
---|
| 1271 | ELSEIF ( ln_asmdin ) THEN |
---|
| 1272 | |
---|
| 1273 | !-------------------------------------------------------------------- |
---|
| 1274 | ! Direct Initialization |
---|
| 1275 | !-------------------------------------------------------------------- |
---|
| 1276 | |
---|
| 1277 | IF ( kt == nitdin_r ) THEN |
---|
| 1278 | |
---|
| 1279 | neuler = 0 ! Force Euler forward step |
---|
| 1280 | |
---|
[3785] | 1281 | ! Sea-ice : LIM-3 case (to add) |
---|
[3764] | 1282 | |
---|
[3785] | 1283 | #if defined key_lim2 |
---|
| 1284 | ! Sea-ice : LIM-2 case. |
---|
[3764] | 1285 | zofrld(:,:)=frld(:,:) |
---|
| 1286 | zohicif(:,:)=hicif(:,:) |
---|
[3785] | 1287 | ! |
---|
[3764] | 1288 | ! Initialize the now fields the background + increment |
---|
[3785] | 1289 | frld (:,:) = MIN( MAX( frld(:,:) - seaice_bkginc(:,:), 0.0_wp), 1.0_wp) |
---|
[3764] | 1290 | pfrld(:,:) = frld(:,:) |
---|
[3785] | 1291 | fr_i (:,:) = 1.0_wp - frld(:,:) ! adjust ice fraction |
---|
| 1292 | zseaicendg(:,:) = zofrld(:,:) - frld(:,:) ! find out actual sea ice nudge applied |
---|
| 1293 | ! |
---|
[3764] | 1294 | ! Nudge sea ice depth to bring it up to a required minimum depth |
---|
| 1295 | WHERE( zseaicendg(:,:) > 0.0_wp .AND. hicif(:,:) < zhicifmin ) |
---|
| 1296 | zhicifinc(:,:) = (zhicifmin - hicif(:,:)) * zincwgt |
---|
| 1297 | ELSEWHERE |
---|
| 1298 | zhicifinc(:,:) = 0.0_wp |
---|
| 1299 | END WHERE |
---|
[3785] | 1300 | ! |
---|
| 1301 | ! nudge ice depth |
---|
| 1302 | hicif (:,:) = hicif (:,:) + zhicifinc(:,:) |
---|
| 1303 | phicif(:,:) = phicif(:,:) |
---|
| 1304 | ! |
---|
| 1305 | ! seaice salinity balancing (to add) |
---|
[3764] | 1306 | #endif |
---|
| 1307 | |
---|
[4245] | 1308 | #if defined key_cice && defined key_asminc |
---|
| 1309 | ! Sea-ice : CICE case. Pass ice increment tendency into CICE |
---|
[3764] | 1310 | ndaice_da(:,:) = seaice_bkginc(:,:) / rdt |
---|
| 1311 | #endif |
---|
| 1312 | IF ( .NOT. PRESENT(kindic) ) THEN |
---|
| 1313 | DEALLOCATE( seaice_bkginc ) |
---|
| 1314 | END IF |
---|
| 1315 | |
---|
| 1316 | ELSE |
---|
| 1317 | |
---|
[4245] | 1318 | #if defined key_cice && defined key_asminc |
---|
[3785] | 1319 | ! Sea-ice : CICE case. Zero ice increment tendency into CICE |
---|
[3764] | 1320 | ndaice_da(:,:) = 0.0_wp |
---|
| 1321 | #endif |
---|
| 1322 | |
---|
| 1323 | ENDIF |
---|
| 1324 | |
---|
[3785] | 1325 | !#if defined defined key_lim2 || defined key_cice |
---|
[3764] | 1326 | ! |
---|
| 1327 | ! IF (ln_seaicebal ) THEN |
---|
| 1328 | ! !! balancing salinity increments |
---|
| 1329 | ! !! simple case from limflx.F90 (doesn't include a mass flux) |
---|
| 1330 | ! !! assumption is that as ice concentration is reduced or increased |
---|
| 1331 | ! !! the snow and ice depths remain constant |
---|
| 1332 | ! !! note that snow is being created where ice concentration is being increased |
---|
| 1333 | ! !! - could be more sophisticated and |
---|
| 1334 | ! !! not do this (but would need to alter h_snow) |
---|
| 1335 | ! |
---|
| 1336 | ! usave(:,:,:)=sb(:,:,:) ! use array as a temporary store |
---|
| 1337 | ! |
---|
| 1338 | ! DO jj = 1, jpj |
---|
| 1339 | ! DO ji = 1, jpi |
---|
| 1340 | ! ! calculate change in ice and snow mass per unit area |
---|
| 1341 | ! ! positive values imply adding salt to the ocean (results from ice formation) |
---|
| 1342 | ! ! fwf : ice formation and melting |
---|
| 1343 | ! |
---|
| 1344 | ! zfons = ( -nfresh_da(ji,jj)*soce + nfsalt_da(ji,jj) )*rdt |
---|
| 1345 | ! |
---|
| 1346 | ! ! change salinity down to mixed layer depth |
---|
| 1347 | ! mld=hmld_kara(ji,jj) |
---|
| 1348 | ! |
---|
| 1349 | ! ! prevent small mld |
---|
| 1350 | ! ! less than 10m can cause salinity instability |
---|
| 1351 | ! IF (mld < 10) mld=10 |
---|
| 1352 | ! |
---|
| 1353 | ! ! set to bottom of a level |
---|
| 1354 | ! DO jk = jpk-1, 2, -1 |
---|
| 1355 | ! IF ((mld > gdepw(ji,jj,jk)) .and. (mld < gdepw(ji,jj,jk+1))) THEN |
---|
| 1356 | ! mld=gdepw(ji,jj,jk+1) |
---|
| 1357 | ! jkmax=jk |
---|
| 1358 | ! ENDIF |
---|
| 1359 | ! ENDDO |
---|
| 1360 | ! |
---|
| 1361 | ! ! avoid applying salinity balancing in shallow water or on land |
---|
| 1362 | ! ! |
---|
| 1363 | ! |
---|
| 1364 | ! ! dsal_ocn (psu kg m^-2) / (kg m^-3 * m) |
---|
| 1365 | ! |
---|
| 1366 | ! dsal_ocn=0.0_wp |
---|
| 1367 | ! sal_thresh=5.0_wp ! minimum salinity threshold for salinity balancing |
---|
| 1368 | ! |
---|
| 1369 | ! if (tmask(ji,jj,1) > 0 .AND. tmask(ji,jj,jkmax) > 0 ) & |
---|
| 1370 | ! dsal_ocn = zfons / (rhop(ji,jj,1) * mld) |
---|
| 1371 | ! |
---|
| 1372 | ! ! put increments in for levels in the mixed layer |
---|
| 1373 | ! ! but prevent salinity below a threshold value |
---|
| 1374 | ! |
---|
| 1375 | ! DO jk = 1, jkmax |
---|
| 1376 | ! |
---|
| 1377 | ! IF (dsal_ocn > 0.0_wp .or. sb(ji,jj,jk)+dsal_ocn > sal_thresh) THEN |
---|
| 1378 | ! sb(ji,jj,jk) = sb(ji,jj,jk) + dsal_ocn |
---|
| 1379 | ! sn(ji,jj,jk) = sn(ji,jj,jk) + dsal_ocn |
---|
| 1380 | ! ENDIF |
---|
| 1381 | ! |
---|
| 1382 | ! ENDDO |
---|
| 1383 | ! |
---|
| 1384 | ! ! ! salt exchanges at the ice/ocean interface |
---|
| 1385 | ! ! zpmess = zfons / rdt_ice ! rdt_ice is ice timestep |
---|
| 1386 | ! ! |
---|
| 1387 | ! !! Adjust fsalt. A +ve fsalt means adding salt to ocean |
---|
| 1388 | ! !! fsalt(ji,jj) = fsalt(ji,jj) + zpmess ! adjust fsalt |
---|
| 1389 | ! !! |
---|
| 1390 | ! !! emps(ji,jj) = emps(ji,jj) + zpmess ! or adjust emps (see icestp1d) |
---|
| 1391 | ! !! ! E-P (kg m-2 s-2) |
---|
| 1392 | ! ! emp(ji,jj) = emp(ji,jj) + zpmess ! E-P (kg m-2 s-2) |
---|
| 1393 | ! ENDDO !ji |
---|
| 1394 | ! ENDDO !jj! |
---|
| 1395 | ! |
---|
| 1396 | ! ENDIF !ln_seaicebal |
---|
| 1397 | ! |
---|
| 1398 | !#endif |
---|
| 1399 | |
---|
| 1400 | ENDIF |
---|
| 1401 | |
---|
| 1402 | END SUBROUTINE seaice_asm_inc |
---|
[8495] | 1403 | |
---|
| 1404 | SUBROUTINE logchl_asm_inc( kt ) |
---|
| 1405 | !!---------------------------------------------------------------------- |
---|
| 1406 | !! *** ROUTINE logchl_asm_inc *** |
---|
| 1407 | !! |
---|
| 1408 | !! ** Purpose : Apply the chlorophyll assimilation increments. |
---|
| 1409 | !! |
---|
| 1410 | !! ** Method : Calculate increments to state variables using nitrogen |
---|
| 1411 | !! balancing. |
---|
| 1412 | !! Direct initialization or Incremental Analysis Updating. |
---|
| 1413 | !! |
---|
| 1414 | !! ** Action : |
---|
| 1415 | !!---------------------------------------------------------------------- |
---|
| 1416 | INTEGER, INTENT(IN) :: kt ! Current time step |
---|
| 1417 | ! |
---|
| 1418 | INTEGER :: jk ! Loop counter |
---|
| 1419 | INTEGER :: it ! Index |
---|
| 1420 | REAL(wp) :: zincwgt ! IAU weight for current time step |
---|
| 1421 | REAL(wp) :: zincper ! IAU interval in seconds |
---|
| 1422 | !!---------------------------------------------------------------------- |
---|
| 1423 | |
---|
| 1424 | IF ( kt <= nit000 ) THEN |
---|
| 1425 | |
---|
| 1426 | zincper = (nitiaufin_r - nitiaustr_r + 1) * rdt |
---|
| 1427 | |
---|
| 1428 | #if defined key_medusa && defined key_foam_medusa |
---|
| 1429 | CALL asm_logchl_bal_medusa( logchl_bkginc, zincper, mld_choice_bgc, & |
---|
| 1430 | & rn_maxchlinc, ln_logchlbal, & |
---|
| 1431 | & pgrow_avg_bkg, ploss_avg_bkg, & |
---|
| 1432 | & phyt_avg_bkg, mld_max_bkg, & |
---|
| 1433 | & tracer_bkg, logchl_balinc ) |
---|
| 1434 | #elif defined key_hadocc |
---|
| 1435 | CALL asm_logchl_bal_hadocc( logchl_bkginc, zincper, mld_choice_bgc, & |
---|
| 1436 | & rn_maxchlinc, ln_logchlbal, & |
---|
| 1437 | & pgrow_avg_bkg, ploss_avg_bkg, & |
---|
| 1438 | & phyt_avg_bkg, mld_max_bkg, & |
---|
| 1439 | & chl_bkg, cchl_p_bkg, & |
---|
| 1440 | & tracer_bkg, logchl_balinc ) |
---|
| 1441 | #else |
---|
| 1442 | CALL ctl_stop( 'Attempting to assimilate logchl, ', & |
---|
| 1443 | & 'but not defined a biogeochemical model' ) |
---|
| 1444 | #endif |
---|
| 1445 | |
---|
| 1446 | ENDIF |
---|
| 1447 | |
---|
| 1448 | IF ( ln_asmiau ) THEN |
---|
| 1449 | |
---|
| 1450 | !-------------------------------------------------------------------- |
---|
| 1451 | ! Incremental Analysis Updating |
---|
| 1452 | !-------------------------------------------------------------------- |
---|
| 1453 | |
---|
| 1454 | IF ( ( kt >= nitiaustr_r ).AND.( kt <= nitiaufin_r ) ) THEN |
---|
| 1455 | |
---|
| 1456 | it = kt - nit000 + 1 |
---|
| 1457 | zincwgt = wgtiau(it) ! IAU weight for the current time step |
---|
| 1458 | ! note this is not a tendency so should not be divided by rdt |
---|
| 1459 | |
---|
| 1460 | IF(lwp) THEN |
---|
| 1461 | WRITE(numout,*) |
---|
| 1462 | WRITE(numout,*) 'logchl_asm_inc : logchl IAU at time step = ', & |
---|
| 1463 | & kt,' with IAU weight = ', wgtiau(it) |
---|
| 1464 | WRITE(numout,*) '~~~~~~~~~~~~' |
---|
| 1465 | ENDIF |
---|
| 1466 | |
---|
| 1467 | ! Update the biogeochemical variables |
---|
| 1468 | ! Add directly to trn and trb, rather than to tra, as not a tendency |
---|
| 1469 | #if defined key_medusa && defined key_foam_medusa |
---|
| 1470 | DO jk = 1, jpkm1 |
---|
| 1471 | trn(:,:,jk,jp_msa0:jp_msa1) = trn(:,:,jk,jp_msa0:jp_msa1) + & |
---|
| 1472 | & logchl_balinc(:,:,jk,jp_msa0:jp_msa1) * zincwgt |
---|
| 1473 | trb(:,:,jk,jp_msa0:jp_msa1) = trb(:,:,jk,jp_msa0:jp_msa1) + & |
---|
| 1474 | & logchl_balinc(:,:,jk,jp_msa0:jp_msa1) * zincwgt |
---|
| 1475 | END DO |
---|
| 1476 | #elif defined key_hadocc |
---|
| 1477 | DO jk = 1, jpkm1 |
---|
| 1478 | trn(:,:,jk,jp_had0:jp_had1) = trn(:,:,jk,jp_had0:jp_had1) + & |
---|
| 1479 | & logchl_balinc(:,:,jk,jp_had0:jp_had1) * zincwgt |
---|
| 1480 | trb(:,:,jk,jp_had0:jp_had1) = trb(:,:,jk,jp_had0:jp_had1) + & |
---|
| 1481 | & logchl_balinc(:,:,jk,jp_had0:jp_had1) * zincwgt |
---|
| 1482 | END DO |
---|
| 1483 | #endif |
---|
| 1484 | |
---|
| 1485 | ! Do not deallocate arrays - needed by asm_bal_wri |
---|
| 1486 | ! which is called at end of model run |
---|
| 1487 | ENDIF |
---|
| 1488 | |
---|
| 1489 | ELSEIF ( ln_asmdin ) THEN |
---|
| 1490 | |
---|
| 1491 | !-------------------------------------------------------------------- |
---|
| 1492 | ! Direct Initialization |
---|
| 1493 | !-------------------------------------------------------------------- |
---|
| 1494 | |
---|
| 1495 | IF ( kt == nitdin_r ) THEN |
---|
| 1496 | |
---|
| 1497 | neuler = 0 ! Force Euler forward step |
---|
| 1498 | |
---|
| 1499 | #if defined key_medusa && defined key_foam_medusa |
---|
| 1500 | ! Initialize the now fields with the background + increment |
---|
| 1501 | ! Background currently is what the model is initialised with |
---|
| 1502 | CALL ctl_warn( ' Doing direct initialisation of MEDUSA with chlorophyll assimilation', & |
---|
| 1503 | & ' Background state is taken from model rather than background file' ) |
---|
| 1504 | trn(:,:,:,jp_msa0:jp_msa1) = trn(:,:,:,jp_msa0:jp_msa1) + & |
---|
| 1505 | & logchl_balinc(:,:,:,jp_msa0:jp_msa1) |
---|
| 1506 | trb(:,:,:,jp_msa0:jp_msa1) = trn(:,:,:,jp_msa0:jp_msa1) |
---|
| 1507 | #elif defined key_hadocc |
---|
| 1508 | ! Initialize the now fields with the background + increment |
---|
| 1509 | ! Background currently is what the model is initialised with |
---|
| 1510 | CALL ctl_warn( ' Doing direct initialisation of HadOCC with chlorophyll assimilation', & |
---|
| 1511 | & ' Background state is taken from model rather than background file' ) |
---|
| 1512 | trn(:,:,:,jp_had0:jp_had1) = trn(:,:,:,jp_had0:jp_had1) + & |
---|
| 1513 | & logchl_balinc(:,:,:,jp_had0:jp_had1) |
---|
| 1514 | trb(:,:,:,jp_had0:jp_had1) = trn(:,:,:,jp_had0:jp_had1) |
---|
| 1515 | #endif |
---|
| 1516 | |
---|
| 1517 | ! Do not deallocate arrays - needed by asm_bal_wri |
---|
| 1518 | ! which is called at end of model run |
---|
| 1519 | ENDIF |
---|
| 1520 | ! |
---|
| 1521 | ENDIF |
---|
| 1522 | ! |
---|
| 1523 | END SUBROUTINE logchl_asm_inc |
---|
| 1524 | |
---|
| 1525 | |
---|
| 1526 | SUBROUTINE pco2_asm_inc( kt ) |
---|
| 1527 | !!---------------------------------------------------------------------- |
---|
| 1528 | !! *** ROUTINE pco2_asm_inc *** |
---|
| 1529 | !! |
---|
| 1530 | !! ** Purpose : Apply the pco2/fco2 assimilation increments. |
---|
| 1531 | !! |
---|
| 1532 | !! ** Method : Calculate increments to state variables using carbon |
---|
| 1533 | !! balancing. |
---|
| 1534 | !! Direct initialization or Incremental Analysis Updating. |
---|
| 1535 | !! |
---|
| 1536 | !! ** Action : |
---|
| 1537 | !!---------------------------------------------------------------------- |
---|
| 1538 | INTEGER, INTENT(IN) :: kt ! Current time step |
---|
| 1539 | ! |
---|
| 1540 | INTEGER :: ji, jj, jk ! Loop counters |
---|
| 1541 | INTEGER :: it ! Index |
---|
| 1542 | INTEGER :: jkmax ! Index of mixed layer depth |
---|
| 1543 | REAL(wp) :: zincwgt ! IAU weight for current time step |
---|
| 1544 | REAL(wp), DIMENSION(jpi,jpj) :: zmld ! Mixed layer depth for balancing |
---|
| 1545 | REAL(wp), DIMENSION(jpi,jpj) :: pco2_bkginc_temp ! For fCO2 conversion |
---|
| 1546 | REAL(wp), DIMENSION(jpi,jpj) :: dic_bkg_temp ! DIC background |
---|
| 1547 | REAL(wp), DIMENSION(jpi,jpj) :: alk_bkg_temp ! Alkalinity background |
---|
| 1548 | REAL(wp), DIMENSION(jpi,jpj) :: tem_bkg_temp ! Temperature background |
---|
| 1549 | REAL(wp), DIMENSION(jpi,jpj) :: sal_bkg_temp ! Salinity background |
---|
| 1550 | REAL(wp), DIMENSION(1) :: patm ! Atmospheric pressure |
---|
| 1551 | REAL(wp), DIMENSION(1) :: phyd ! Hydrostatic pressure |
---|
| 1552 | |
---|
| 1553 | ! Coefficients for fCO2 to pCO2 conversion |
---|
| 1554 | REAL(wp) :: zcoef_fco2_1 = -1636.75 |
---|
| 1555 | REAL(wp) :: zcoef_fco2_2 = 12.0408 |
---|
| 1556 | REAL(wp) :: zcoef_fco2_3 = 0.0327957 |
---|
| 1557 | REAL(wp) :: zcoef_fco2_4 = 0.0000316528 |
---|
| 1558 | REAL(wp) :: zcoef_fco2_5 = 2.0 |
---|
| 1559 | REAL(wp) :: zcoef_fco2_6 = 57.7 |
---|
| 1560 | REAL(wp) :: zcoef_fco2_7 = 0.118 |
---|
| 1561 | REAL(wp) :: zcoef_fco2_8 = 82.0578 |
---|
| 1562 | !!---------------------------------------------------------------------- |
---|
| 1563 | |
---|
| 1564 | IF ( kt <= nit000 ) THEN |
---|
| 1565 | |
---|
| 1566 | !-------------------------------------------------------------------- |
---|
| 1567 | ! DIC and alkalinity balancing |
---|
| 1568 | !-------------------------------------------------------------------- |
---|
| 1569 | |
---|
| 1570 | IF ( ln_fco2inc ) THEN |
---|
| 1571 | #if defined key_medusa && defined key_roam |
---|
| 1572 | ! If assimilating fCO2, then convert to pCO2 using MEDUSA MOCSY subroutine |
---|
| 1573 | patm(1) = 1.0 |
---|
| 1574 | phyd(1) = 0.0 |
---|
| 1575 | DO jj = 1, jpj |
---|
| 1576 | DO ji = 1, jpi |
---|
| 1577 | CALL f2pCO2( pco2_bkginc(ji,jj), tsn(ji,jj,1,1), patm, phyd, 1, pco2_bkginc_temp(ji,jj) ) |
---|
| 1578 | END DO |
---|
| 1579 | END DO |
---|
| 1580 | #else |
---|
| 1581 | ! If assimilating fCO2, then convert to pCO2 using temperature |
---|
| 1582 | ! See flux_gas.F90 within HadOCC for details of calculation |
---|
| 1583 | pco2_bkginc_temp(:,:) = pco2_bkginc(:,:) / & |
---|
| 1584 | & EXP((zcoef_fco2_1 + & |
---|
| 1585 | & zcoef_fco2_2 * (tsn(:,:,1,1)+rt0) - & |
---|
| 1586 | & zcoef_fco2_3 * (tsn(:,:,1,1)+rt0)*(tsn(:,:,1,1)+rt0) + & |
---|
| 1587 | & zcoef_fco2_4 * (tsn(:,:,1,1)+rt0)*(tsn(:,:,1,1)+rt0)*(tsn(:,:,1,1)+rt0) + & |
---|
| 1588 | & zcoef_fco2_5 * (zcoef_fco2_6 - zcoef_fco2_7 * (tsn(:,:,1,1)+rt0))) / & |
---|
| 1589 | & (zcoef_fco2_8 * (tsn(:,:,1,1)+rt0))) |
---|
| 1590 | #endif |
---|
| 1591 | ELSE |
---|
| 1592 | pco2_bkginc_temp(:,:) = pco2_bkginc(:,:) |
---|
| 1593 | ENDIF |
---|
| 1594 | |
---|
| 1595 | ! Account for physics assimilation if required |
---|
| 1596 | IF ( ln_trainc ) THEN |
---|
| 1597 | tem_bkg_temp(:,:) = tsn(:,:,1,1) + t_bkginc(:,:,1) |
---|
| 1598 | sal_bkg_temp(:,:) = tsn(:,:,1,2) + s_bkginc(:,:,1) |
---|
| 1599 | ELSE |
---|
| 1600 | tem_bkg_temp(:,:) = tsn(:,:,1,1) |
---|
| 1601 | sal_bkg_temp(:,:) = tsn(:,:,1,2) |
---|
| 1602 | ENDIF |
---|
| 1603 | |
---|
| 1604 | #if defined key_medusa |
---|
| 1605 | ! Account for logchl balancing if required |
---|
| 1606 | IF ( ln_logchlinc .AND. ln_logchlbal ) THEN |
---|
| 1607 | dic_bkg_temp(:,:) = tracer_bkg(:,:,1,jpdic) + logchl_balinc(:,:,1,jpdic) |
---|
| 1608 | alk_bkg_temp(:,:) = tracer_bkg(:,:,1,jpalk) + logchl_balinc(:,:,1,jpalk) |
---|
| 1609 | ELSE |
---|
| 1610 | dic_bkg_temp(:,:) = tracer_bkg(:,:,1,jpdic) |
---|
| 1611 | alk_bkg_temp(:,:) = tracer_bkg(:,:,1,jpalk) |
---|
| 1612 | ENDIF |
---|
| 1613 | |
---|
| 1614 | CALL asm_pco2_bal( pco2_bkginc_temp(:,:), dic_bkg_temp(:,:), alk_bkg_temp(:,:), & |
---|
| 1615 | & tem_bkg_temp(:,:), sal_bkg_temp(:,:), & |
---|
| 1616 | & pco2_balinc(:,:,1,jpdic), pco2_balinc(:,:,1,jpalk) ) |
---|
| 1617 | |
---|
| 1618 | #elif defined key_hadocc |
---|
| 1619 | ! Account for logchl balancing if required |
---|
| 1620 | IF ( ln_logchlinc .AND. ln_logchlbal ) THEN |
---|
| 1621 | dic_bkg_temp(:,:) = tracer_bkg(:,:,1,jp_had_dic) + logchl_balinc(:,:,1,jp_had_dic) |
---|
| 1622 | alk_bkg_temp(:,:) = tracer_bkg(:,:,1,jp_had_alk) + logchl_balinc(:,:,1,jp_had_alk) |
---|
| 1623 | ELSE |
---|
| 1624 | dic_bkg_temp(:,:) = tracer_bkg(:,:,1,jp_had_dic) |
---|
| 1625 | alk_bkg_temp(:,:) = tracer_bkg(:,:,1,jp_had_alk) |
---|
| 1626 | ENDIF |
---|
| 1627 | |
---|
| 1628 | CALL asm_pco2_bal( pco2_bkginc_temp(:,:), dic_bkg_temp(:,:), alk_bkg_temp(:,:), & |
---|
| 1629 | & tem_bkg_temp(:,:), sal_bkg_temp(:,:), & |
---|
| 1630 | & pco2_balinc(:,:,1,jp_had_dic), pco2_balinc(:,:,1,jp_had_alk) ) |
---|
| 1631 | |
---|
| 1632 | #else |
---|
| 1633 | CALL ctl_stop( 'Attempting to assimilate pCO2/fCO2, ', & |
---|
| 1634 | & 'but not defined a biogeochemical model' ) |
---|
| 1635 | #endif |
---|
| 1636 | |
---|
| 1637 | ! Select mixed layer |
---|
| 1638 | SELECT CASE( mld_choice_bgc ) |
---|
| 1639 | CASE ( 1 ) ! Turbocline/mixing depth [W points] |
---|
| 1640 | zmld(:,:) = hmld(:,:) |
---|
| 1641 | CASE ( 2 ) ! Density criterion (0.01 kg/m^3 change from 10m) [W points] |
---|
| 1642 | zmld(:,:) = hmlp(:,:) |
---|
| 1643 | CASE ( 3 ) ! Kara MLD [Interpolated] |
---|
| 1644 | #if defined key_karaml |
---|
| 1645 | IF ( ln_kara ) THEN |
---|
| 1646 | zmld(:,:) = hmld_kara(:,:) |
---|
| 1647 | ELSE |
---|
| 1648 | CALL ctl_stop( ' Kara mixed layer requested for pCO2 assimilation,', & |
---|
| 1649 | & ' but ln_kara=.false.' ) |
---|
| 1650 | ENDIF |
---|
| 1651 | #else |
---|
| 1652 | CALL ctl_stop( ' Kara mixed layer requested for pCO2 assimilation,', & |
---|
| 1653 | & ' but is not defined' ) |
---|
| 1654 | #endif |
---|
| 1655 | CASE ( 4 ) ! Temperature criterion (0.2 K change from surface) [T points] |
---|
| 1656 | !zmld(:,:) = hmld_tref(:,:) |
---|
| 1657 | CALL ctl_stop( ' hmld_tref mixed layer requested for pCO2 assimilation,', & |
---|
| 1658 | & ' but is not available in this version' ) |
---|
| 1659 | CASE ( 5 ) ! Density criterion (0.01 kg/m^3 change from 10m) [T points] |
---|
| 1660 | zmld(:,:) = hmlpt(:,:) |
---|
| 1661 | END SELECT |
---|
| 1662 | |
---|
| 1663 | ! Propagate through mixed layer |
---|
| 1664 | DO jj = 1, jpj |
---|
| 1665 | DO ji = 1, jpi |
---|
| 1666 | ! |
---|
| 1667 | jkmax = jpk-1 |
---|
| 1668 | DO jk = jpk-1, 1, -1 |
---|
| 1669 | IF ( ( zmld(ji,jj) > gdepw_n(ji,jj,jk) ) .AND. & |
---|
| 1670 | & ( zmld(ji,jj) <= gdepw_n(ji,jj,jk+1) ) ) THEN |
---|
| 1671 | zmld(ji,jj) = gdepw_n(ji,jj,jk+1) |
---|
| 1672 | jkmax = jk |
---|
| 1673 | ENDIF |
---|
| 1674 | END DO |
---|
| 1675 | ! |
---|
[8513] | 1676 | #if defined key_top |
---|
[8495] | 1677 | DO jk = 2, jkmax |
---|
| 1678 | pco2_balinc(ji,jj,jk,:) = pco2_balinc(ji,jj,1,:) |
---|
| 1679 | END DO |
---|
[8513] | 1680 | #endif |
---|
[8495] | 1681 | ! |
---|
| 1682 | END DO |
---|
| 1683 | END DO |
---|
| 1684 | |
---|
| 1685 | ENDIF |
---|
| 1686 | |
---|
| 1687 | IF ( ln_asmiau ) THEN |
---|
| 1688 | |
---|
| 1689 | !-------------------------------------------------------------------- |
---|
| 1690 | ! Incremental Analysis Updating |
---|
| 1691 | !-------------------------------------------------------------------- |
---|
| 1692 | |
---|
| 1693 | IF ( ( kt >= nitiaustr_r ).AND.( kt <= nitiaufin_r ) ) THEN |
---|
| 1694 | |
---|
| 1695 | it = kt - nit000 + 1 |
---|
| 1696 | zincwgt = wgtiau(it) ! IAU weight for the current time step |
---|
| 1697 | ! note this is not a tendency so should not be divided by rdt |
---|
| 1698 | |
---|
| 1699 | IF(lwp) THEN |
---|
| 1700 | WRITE(numout,*) |
---|
| 1701 | IF ( ln_pco2inc ) THEN |
---|
| 1702 | WRITE(numout,*) 'pco2_asm_inc : pco2 IAU at time step = ', & |
---|
| 1703 | & kt,' with IAU weight = ', wgtiau(it) |
---|
| 1704 | ELSE IF ( ln_fco2inc ) THEN |
---|
| 1705 | WRITE(numout,*) 'fco2_asm_inc : fco2 IAU at time step = ', & |
---|
| 1706 | & kt,' with IAU weight = ', wgtiau(it) |
---|
| 1707 | ENDIF |
---|
| 1708 | WRITE(numout,*) '~~~~~~~~~~~~' |
---|
| 1709 | ENDIF |
---|
| 1710 | |
---|
| 1711 | ! Update the biogeochemical variables |
---|
| 1712 | ! Add directly to trn and trb, rather than to tra, as not a tendency |
---|
| 1713 | #if defined key_medusa && defined key_foam_medusa |
---|
| 1714 | DO jk = 1, jpkm1 |
---|
| 1715 | trn(:,:,jk,jp_msa0:jp_msa1) = trn(:,:,jk,jp_msa0:jp_msa1) + & |
---|
| 1716 | & pco2_balinc(:,:,jk,jp_msa0:jp_msa1) * zincwgt |
---|
| 1717 | trb(:,:,jk,jp_msa0:jp_msa1) = trb(:,:,jk,jp_msa0:jp_msa1) + & |
---|
| 1718 | & pco2_balinc(:,:,jk,jp_msa0:jp_msa1) * zincwgt |
---|
| 1719 | END DO |
---|
| 1720 | #elif defined key_hadocc |
---|
| 1721 | DO jk = 1, jpkm1 |
---|
| 1722 | trn(:,:,jk,jp_had0:jp_had1) = trn(:,:,jk,jp_had0:jp_had1) + & |
---|
| 1723 | & pco2_balinc(:,:,jk,jp_had0:jp_had1) * zincwgt |
---|
| 1724 | trb(:,:,jk,jp_had0:jp_had1) = trb(:,:,jk,jp_had0:jp_had1) + & |
---|
| 1725 | & pco2_balinc(:,:,jk,jp_had0:jp_had1) * zincwgt |
---|
| 1726 | END DO |
---|
| 1727 | #endif |
---|
| 1728 | |
---|
| 1729 | ! Do not deallocate arrays - needed by asm_bal_wri |
---|
| 1730 | ! which is called at end of model run |
---|
| 1731 | |
---|
| 1732 | ENDIF |
---|
| 1733 | |
---|
| 1734 | ELSEIF ( ln_asmdin ) THEN |
---|
| 1735 | |
---|
| 1736 | !-------------------------------------------------------------------- |
---|
| 1737 | ! Direct Initialization |
---|
| 1738 | !-------------------------------------------------------------------- |
---|
| 1739 | |
---|
| 1740 | IF ( kt == nitdin_r ) THEN |
---|
| 1741 | |
---|
| 1742 | neuler = 0 ! Force Euler forward step |
---|
| 1743 | |
---|
| 1744 | #if defined key_medusa && defined key_foam_medusa |
---|
| 1745 | ! Initialize the now fields with the background + increment |
---|
| 1746 | ! Background currently is what the model is initialised with |
---|
| 1747 | CALL ctl_warn( ' Doing direct initialisation of MEDUSA with pCO2 assimilation', & |
---|
| 1748 | & ' Background state is taken from model rather than background file' ) |
---|
| 1749 | trn(:,:,:,jp_msa0:jp_msa1) = trn(:,:,:,jp_msa0:jp_msa1) + & |
---|
| 1750 | & pco2_balinc(:,:,:,jp_msa0:jp_msa1) |
---|
| 1751 | trb(:,:,:,jp_msa0:jp_msa1) = trn(:,:,:,jp_msa0:jp_msa1) |
---|
| 1752 | #elif defined key_hadocc |
---|
| 1753 | ! Initialize the now fields with the background + increment |
---|
| 1754 | ! Background currently is what the model is initialised with |
---|
| 1755 | CALL ctl_warn( ' Doing direct initialisation of HadOCC with pCO2 assimilation', & |
---|
| 1756 | & ' Background state is taken from model rather than background file' ) |
---|
| 1757 | trn(:,:,:,jp_had0:jp_had1) = trn(:,:,:,jp_had0:jp_had1) + & |
---|
| 1758 | & pco2_balinc(:,:,:,jp_had0:jp_had1) |
---|
| 1759 | trb(:,:,:,jp_had0:jp_had1) = trn(:,:,:,jp_had0:jp_had1) |
---|
| 1760 | #endif |
---|
| 1761 | |
---|
| 1762 | ! Do not deallocate arrays - needed by asm_bal_wri |
---|
| 1763 | ! which is called at end of model run |
---|
| 1764 | ENDIF |
---|
| 1765 | ! |
---|
| 1766 | ENDIF |
---|
| 1767 | ! |
---|
| 1768 | END SUBROUTINE pco2_asm_inc |
---|
[3785] | 1769 | |
---|
[2392] | 1770 | !!====================================================================== |
---|
[2128] | 1771 | END MODULE asminc |
---|