| [3] | 1 | MODULE dtasal |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE dtasal *** |
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| 4 | !! Ocean data : read ocean salinity data from monthly atlas data |
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| 5 | !!===================================================================== |
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| [2392] | 6 | !! History : OPA ! 1991-03 () Original code |
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| 7 | !! - ! 1992-07 (M. Imbard) |
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| 8 | !! 8.0 ! 1999-10 (M.A. Foujols, M. Imbard) NetCDF FORMAT |
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| 9 | !! NEMO 1.0 ! 2002-06 (G. Madec) F90: Free form and module |
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| 10 | !! 3.3 ! 2010-10 (C. Bricaud, S. Masson) use of fldread |
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| 11 | !!---------------------------------------------------------------------- |
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| [3] | 12 | #if defined key_dtasal || defined key_esopa |
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| 13 | !!---------------------------------------------------------------------- |
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| 14 | !! 'key_dtasal' salinity data |
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| 15 | !!---------------------------------------------------------------------- |
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| 16 | !! dta_sal : read ocean salinity data |
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| 17 | !!---------------------------------------------------------------------- |
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| 18 | USE oce ! ocean dynamics and tracers |
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| 19 | USE dom_oce ! ocean space and time domain |
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| [1951] | 20 | USE fldread ! read input fields |
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| [3] | 21 | USE in_out_manager ! I/O manager |
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| [473] | 22 | USE phycst ! physical constants |
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| 23 | #if defined key_orca_lev10 |
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| 24 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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| 25 | #endif |
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| [3] | 26 | |
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| 27 | IMPLICIT NONE |
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| 28 | PRIVATE |
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| 29 | |
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| [2392] | 30 | PUBLIC dta_sal ! called by step.F90 and inidta.F90 |
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| [3] | 31 | |
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| [16] | 32 | LOGICAL , PUBLIC, PARAMETER :: lk_dtasal = .TRUE. !: salinity data flag |
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| [1951] | 33 | REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk) :: s_dta !: salinity data at given time-step |
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| [3] | 34 | |
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| [1951] | 35 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_sal ! structure of input SST (file informations, fields read) |
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| [3] | 36 | |
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| 37 | !! * Substitutions |
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| 38 | # include "domzgr_substitute.h90" |
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| 39 | !!---------------------------------------------------------------------- |
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| [2287] | 40 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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| [1152] | 41 | !! $Id$ |
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| [2392] | 42 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| [3] | 43 | !!---------------------------------------------------------------------- |
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| 44 | CONTAINS |
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| 45 | |
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| 46 | SUBROUTINE dta_sal( kt ) |
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| [1951] | 47 | !!---------------------------------------------------------------------- |
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| 48 | !! *** ROUTINE dta_sal *** |
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| 49 | !! |
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| 50 | !! ** Purpose : Reads monthly salinity data |
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| 51 | !! |
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| 52 | !! ** Method : - Read on unit numsdt the monthly salinity data interpo- |
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| [2392] | 53 | !! lated onto the model grid. |
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| [1951] | 54 | !! - At each time step, a linear interpolation is applied |
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| [2392] | 55 | !! between two monthly values. |
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| [1951] | 56 | !!---------------------------------------------------------------------- |
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| 57 | INTEGER, INTENT(in) :: kt ! ocean time step |
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| [2392] | 58 | ! |
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| [1951] | 59 | INTEGER :: ji, jj, jk, jl, jkk ! dummy loop indicies |
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| [2104] | 60 | INTEGER :: ik, ierror ! temporary integers |
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| [1951] | 61 | #if defined key_tradmp |
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| 62 | INTEGER :: il0, il1, ii0, ii1, ij0, ij1 ! temporary integers |
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| 63 | #endif |
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| [2104] | 64 | REAL(wp):: zl |
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| [473] | 65 | #if defined key_orca_lev10 |
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| [1951] | 66 | INTEGER :: ikr, ikw, ikt, jjk |
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| 67 | REAL(wp):: zfac |
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| [434] | 68 | #endif |
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| [2104] | 69 | REAL(wp), DIMENSION(jpk) :: zsaldta ! auxiliary array for interpolation |
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| [1951] | 70 | CHARACTER(len=100) :: cn_dir ! Root directory for location of ssr files |
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| 71 | TYPE(FLD_N) :: sn_sal |
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| 72 | LOGICAL , SAVE :: linit_sal = .FALSE. |
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| [2392] | 73 | !! |
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| 74 | NAMELIST/namdta_sal/ cn_dir, sn_sal |
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| [1951] | 75 | !!---------------------------------------------------------------------- |
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| [473] | 76 | |
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| [1951] | 77 | ! 1. Initialization |
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| 78 | ! ----------------------- |
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| [473] | 79 | |
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| [1951] | 80 | IF( kt == nit000 .AND. ( .NOT. linit_sal ) ) THEN |
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| [473] | 81 | |
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| [1951] | 82 | ! ! set file information |
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| 83 | cn_dir = './' ! directory in which the model is executed |
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| 84 | ! ... default values (NB: frequency positive => hours, negative => months) |
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| [2392] | 85 | ! ! file ! frequency ! variable ! time intep ! clim ! 'yearly' or ! weights ! rotation ! |
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| 86 | ! ! name ! (hours) ! name ! (T/F) ! (T/F) ! 'monthly' ! filename ! pairs ! |
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| 87 | sn_sal = FLD_N( 'salinity', -1. ,'vosaline', .false. , .true. , 'monthly' , '' , '' ) |
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| [1951] | 88 | |
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| [2392] | 89 | REWIND ( numnam ) ! read in namlist namdta_sal |
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| [1951] | 90 | READ( numnam, namdta_sal ) |
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| 91 | |
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| 92 | IF(lwp) THEN ! control print |
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| 93 | WRITE(numout,*) |
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| 94 | WRITE(numout,*) 'dta_sal : Salinity Climatology ' |
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| 95 | WRITE(numout,*) '~~~~~~~ ' |
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| 96 | ENDIF |
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| 97 | ALLOCATE( sf_sal(1), STAT=ierror ) |
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| 98 | IF( ierror > 0 ) THEN |
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| 99 | CALL ctl_stop( 'dta_sal: unable to allocate sf_sal structure' ) ; RETURN |
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| 100 | ENDIF |
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| [2236] | 101 | |
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| [1951] | 102 | #if defined key_orca_lev10 |
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| [2236] | 103 | ALLOCATE( sf_sal(1)%fnow(jpi,jpj,jpkdta) ) |
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| 104 | IF( sn_sal%ln_tint ) ALLOCATE( sf_sal(1)%fdta(jpi,jpj,jpkdta,2) ) |
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| [1951] | 105 | #else |
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| [2236] | 106 | ALLOCATE( sf_sal(1)%fnow(jpi,jpj,jpk) ) |
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| 107 | IF( sn_sal%ln_tint ) ALLOCATE( sf_sal(1)%fdta(jpi,jpj,jpk,2) ) |
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| [1951] | 108 | #endif |
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| [2392] | 109 | ! ! fill sf_sal with sn_sal and control print |
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| [1951] | 110 | CALL fld_fill( sf_sal, (/ sn_sal /), cn_dir, 'dta_sal', 'Salinity data', 'namdta_sal' ) |
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| 111 | linit_sal = .TRUE. |
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| 112 | ENDIF |
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| [473] | 113 | |
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| [1951] | 114 | ! 2. Read monthly file |
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| 115 | ! ------------------- |
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| [473] | 116 | |
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| [1951] | 117 | CALL fld_read( kt, 1, sf_sal ) |
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| 118 | |
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| [2236] | 119 | IF( lwp .AND. kt == nit000 ) THEN |
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| [1951] | 120 | WRITE(numout,*) |
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| 121 | WRITE(numout,*) ' read Levitus salinity ok' |
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| 122 | WRITE(numout,*) |
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| 123 | ENDIF |
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| 124 | |
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| [434] | 125 | #if defined key_tradmp |
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| [2392] | 126 | IF( cp_cfg == "orca" .AND. jp_cfg == 2 ) THEN ! ORCA_R2 configuration |
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| 127 | ! |
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| [1951] | 128 | ij0 = 101 ; ij1 = 109 |
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| 129 | ii0 = 141 ; ii1 = 155 |
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| 130 | DO jj = mj0(ij0), mj1(ij1) ! Reduced salinity in the Alboran Sea |
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| 131 | DO ji = mi0(ii0), mi1(ii1) |
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| 132 | sf_sal(1)%fnow(ji,jj,13:13) = sf_sal(1)%fnow(ji,jj,13:13) - 0.15 |
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| 133 | sf_sal(1)%fnow(ji,jj,14:15) = sf_sal(1)%fnow(ji,jj,14:15) - 0.25 |
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| 134 | sf_sal(1)%fnow(ji,jj,16:17) = sf_sal(1)%fnow(ji,jj,16:17) - 0.30 |
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| 135 | sf_sal(1)%fnow(ji,jj,18:25) = sf_sal(1)%fnow(ji,jj,18:25) - 0.35 |
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| 136 | END DO |
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| 137 | END DO |
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| [2392] | 138 | ! |
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| 139 | IF( nn_cla == 1 ) THEN |
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| [1951] | 140 | ! ! New salinity profile at Gibraltar |
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| 141 | il0 = 138 ; il1 = 138 |
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| 142 | ij0 = 101 ; ij1 = 102 |
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| 143 | ii0 = 139 ; ii1 = 139 |
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| 144 | DO jl = mi0(il0), mi1(il1) |
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| 145 | DO jj = mj0(ij0), mj1(ij1) |
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| 146 | DO ji = mi0(ii0), mi1(ii1) |
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| 147 | sf_sal(1)%fnow(ji,jj,:) = sf_sal(1)%fnow(jl,jj,:) |
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| 148 | END DO |
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| 149 | END DO |
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| 150 | END DO |
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| 151 | ! ! New salinity profile at Bab el Mandeb |
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| 152 | il0 = 164 ; il1 = 164 |
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| 153 | ij0 = 87 ; ij1 = 88 |
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| 154 | ii0 = 161 ; ii1 = 163 |
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| 155 | DO jl = mi0(il0), mi1(il1) |
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| 156 | DO jj = mj0(ij0), mj1(ij1) |
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| 157 | DO ji = mi0(ii0), mi1(ii1) |
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| 158 | sf_sal(1)%fnow(ji,jj,:) = sf_sal(1)%fnow(jl,jj,:) |
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| 159 | END DO |
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| 160 | END DO |
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| 161 | END DO |
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| 162 | ! |
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| 163 | ENDIF |
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| 164 | ! |
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| 165 | ENDIF |
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| [459] | 166 | #endif |
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| [473] | 167 | |
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| 168 | #if defined key_orca_lev10 |
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| [1951] | 169 | DO jjk = 1, 5 |
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| 170 | s_dta(:,:,jjk) = sf_sal(1)%fnow(:,:,1) |
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| 171 | ENDDO |
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| 172 | DO jk = 1, jpk-20,10 |
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| 173 | ikr = INT(jk/10) + 1 |
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| 174 | ikw = (ikr-1) *10 + 1 |
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| 175 | ikt = ikw + 5 |
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| 176 | DO jjk=ikt,ikt+9 |
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| 177 | zfac = ( gdept_0(jjk ) - gdepw_0(ikt) ) / ( gdepw_0(ikt+10) - gdepw_0(ikt) ) |
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| 178 | s_dta(:,:,jjk) = sf_sal(1)%fnow(:,:,ikr) + ( sf_sal(1)%fnow(:,:,ikr+1) - sf_sal(1)%fnow(:,:,ikr) ) * zfac |
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| 179 | END DO |
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| 180 | END DO |
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| 181 | DO jjk = jpk-5, jpk |
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| 182 | s_dta(:,:,jjk) = sf_sal(1)%fnow(:,:,jpkdta-1) |
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| 183 | END DO |
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| 184 | ! fill the overlap areas |
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| 185 | CALL lbc_lnk (s_dta(:,:,:),'Z',-999.,'no0') |
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| 186 | #else |
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| 187 | s_dta(:,:,:)=sf_sal(1)%fnow(:,:,:) |
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| [473] | 188 | #endif |
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| 189 | |
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| [1951] | 190 | IF( ln_sco ) THEN |
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| 191 | DO jj = 1, jpj ! interpolation of salinites |
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| 192 | DO ji = 1, jpi |
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| 193 | DO jk = 1, jpk |
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| 194 | zl=fsdept_0(ji,jj,jk) |
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| 195 | IF(zl < gdept_0(1) ) zsaldta(jk) = s_dta(ji,jj,1 ) |
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| 196 | IF(zl > gdept_0(jpk)) zsaldta(jk) = s_dta(ji,jj,jpkm1) |
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| 197 | DO jkk = 1, jpkm1 |
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| 198 | IF((zl-gdept_0(jkk))*(zl-gdept_0(jkk+1)).le.0.0) THEN |
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| 199 | zsaldta(jk) = s_dta(ji,jj,jkk) & |
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| 200 | & + (zl-gdept_0(jkk))/(gdept_0(jkk+1)-gdept_0(jkk)) & |
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| 201 | & *(s_dta(ji,jj,jkk+1) - s_dta(ji,jj,jkk)) |
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| 202 | ENDIF |
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| 203 | END DO |
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| 204 | END DO |
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| 205 | DO jk = 1, jpkm1 |
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| 206 | s_dta(ji,jj,jk) = zsaldta(jk) |
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| 207 | END DO |
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| 208 | s_dta(ji,jj,jpk) = 0.0 |
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| 209 | END DO |
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| 210 | END DO |
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| [473] | 211 | |
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| [1951] | 212 | IF( lwp .AND. kt==nn_it000 ) THEN |
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| 213 | WRITE(numout,*) |
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| 214 | WRITE(numout,*) ' Levitus salinity data interpolated to s-coordinate' |
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| 215 | WRITE(numout,*) |
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| 216 | ENDIF |
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| 217 | |
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| 218 | ELSE |
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| 219 | ! ! Mask |
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| 220 | s_dta(:,:,:) = s_dta(:,:,:) * tmask(:,:,:) |
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| [2392] | 221 | s_dta(:,:,jpk) = 0.e0 |
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| [1951] | 222 | IF( ln_zps ) THEN ! z-coord. partial steps |
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| 223 | DO jj = 1, jpj ! interpolation of salinity at the last ocean level (i.e. the partial step) |
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| 224 | DO ji = 1, jpi |
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| 225 | ik = mbathy(ji,jj) - 1 |
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| 226 | IF( ik > 2 ) THEN |
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| 227 | zl = ( gdept_0(ik) - fsdept_0(ji,jj,ik) ) / ( gdept_0(ik) - gdept_0(ik-1) ) |
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| 228 | s_dta(ji,jj,ik) = (1.-zl) * s_dta(ji,jj,ik) + zl * s_dta(ji,jj,ik-1) |
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| 229 | ENDIF |
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| 230 | END DO |
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| 231 | END DO |
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| 232 | ENDIF |
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| 233 | ENDIF |
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| [473] | 234 | |
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| [2236] | 235 | IF( lwp .AND. kt == nit000 ) THEN |
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| [1951] | 236 | WRITE(numout,*)' salinity Levitus ' |
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| 237 | WRITE(numout,*) |
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| 238 | WRITE(numout,*)' level = 1' |
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| 239 | CALL prihre(s_dta(:,:,1), jpi,jpj,1,jpi,20,1,jpj,20,1.,numout) |
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| 240 | WRITE(numout,*)' level = ',jpk/2 |
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| 241 | CALL prihre(s_dta(:,:,jpk/2),jpi,jpj,1,jpi,20,1,jpj,20,1.,numout) |
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| 242 | WRITE(numout,*) ' level = ',jpkm1 |
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| 243 | CALL prihre(s_dta(:,:,jpkm1),jpi,jpj,1,jpi,20,1,jpj,20,1.,numout) |
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| 244 | ENDIF |
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| [2392] | 245 | ! |
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| [3] | 246 | END SUBROUTINE dta_sal |
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| 247 | |
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| 248 | #else |
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| 249 | !!---------------------------------------------------------------------- |
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| 250 | !! Default option: NO salinity data |
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| 251 | !!---------------------------------------------------------------------- |
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| [16] | 252 | LOGICAL , PUBLIC, PARAMETER :: lk_dtasal = .FALSE. !: salinity data flag |
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| [3] | 253 | CONTAINS |
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| 254 | SUBROUTINE dta_sal( kt ) ! Empty routine |
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| [16] | 255 | WRITE(*,*) 'dta_sal: You should not have seen this print! error?', kt |
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| [3] | 256 | END SUBROUTINE dta_sal |
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| 257 | #endif |
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| 258 | !!====================================================================== |
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| 259 | END MODULE dtasal |
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