[4144] | 1 | MODULE dtauvd |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE dtauvd *** |
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| 4 | !! Ocean data : read ocean U & V current data from gridded data |
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| 5 | !!====================================================================== |
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[6140] | 6 | !! History : 3.5 ! 2013-08 (D. Calvert) Original code |
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[4144] | 7 | !!---------------------------------------------------------------------- |
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| 8 | |
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| 9 | !!---------------------------------------------------------------------- |
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[6140] | 10 | !! dta_uvd_init : read namelist and allocate data structures |
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| 11 | !! dta_uvd : read and time-interpolate ocean U & V current data |
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[4144] | 12 | !!---------------------------------------------------------------------- |
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[6140] | 13 | USE oce ! ocean dynamics and tracers |
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| 14 | USE phycst ! physical constants |
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| 15 | USE dom_oce ! ocean space and time domain |
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| 16 | ! |
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| 17 | USE in_out_manager ! I/O manager |
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| 18 | USE fldread ! read input fields |
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| 19 | USE lib_mpp ! MPP library |
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| 20 | USE wrk_nemo ! Memory allocation |
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| 21 | USE timing ! Timing |
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[4144] | 22 | |
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| 23 | IMPLICIT NONE |
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| 24 | PRIVATE |
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| 25 | |
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| 26 | PUBLIC dta_uvd_init ! called by nemogcm.F90 |
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| 27 | PUBLIC dta_uvd ! called by istate.F90 and dyndmp.90 |
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| 28 | |
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[6140] | 29 | LOGICAL , PUBLIC :: ln_uvd_init ! Flag to initialise with U & V current data |
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| 30 | LOGICAL , PUBLIC :: ln_uvd_dyndmp ! Flag for Newtonian damping toward U & V current data |
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[4144] | 31 | |
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| 32 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_uvd ! structure for input U & V current (file information and data) |
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| 33 | |
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| 34 | !!---------------------------------------------------------------------- |
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[6140] | 35 | !! NEMO/OPA 3.7 , NEMO Consortium (2015) |
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[5215] | 36 | !! $Id$ |
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[4144] | 37 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 38 | !!---------------------------------------------------------------------- |
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| 39 | CONTAINS |
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| 40 | |
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| 41 | SUBROUTINE dta_uvd_init( ld_dyndmp ) |
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| 42 | !!---------------------------------------------------------------------- |
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| 43 | !! *** ROUTINE dta_uvd_init *** |
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| 44 | !! |
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| 45 | !! ** Purpose : initialization of U & V current input data |
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| 46 | !! |
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| 47 | !! ** Method : - read namc1d_uvd namelist |
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| 48 | !! - allocate U & V current data structure |
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| 49 | !! - fld_fill data structure with namelist information |
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| 50 | !!---------------------------------------------------------------------- |
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[6140] | 51 | LOGICAL, INTENT(in), OPTIONAL :: ld_dyndmp ! force the initialization when dyndmp is used |
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[4144] | 52 | ! |
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[6140] | 53 | INTEGER :: ios, ierr0, ierr1, ierr2, ierr3 ! local integers |
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| 54 | CHARACTER(len=100) :: cn_dir ! Root directory for location of files to be used |
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| 55 | TYPE(FLD_N), DIMENSION(2) :: suv_i ! Combined U & V namelist information |
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| 56 | TYPE(FLD_N) :: sn_ucur, sn_vcur ! U & V data namelist information |
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[4144] | 57 | !! |
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| 58 | NAMELIST/namc1d_uvd/ ln_uvd_init, ln_uvd_dyndmp, cn_dir, sn_ucur, sn_vcur |
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| 59 | !!---------------------------------------------------------------------- |
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| 60 | ! |
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[6140] | 61 | IF( nn_timing == 1 ) CALL timing_start('dta_uvd_init') |
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[4144] | 62 | ! |
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[6140] | 63 | ierr0 = 0 ; ierr1 = 0 ; ierr2 = 0 ; ierr3 = 0 |
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[4144] | 64 | |
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[4245] | 65 | REWIND( numnam_ref ) ! Namelist namc1d_uvd in reference namelist : |
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| 66 | READ ( numnam_ref, namc1d_uvd, IOSTAT = ios, ERR = 901) |
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[6140] | 67 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namc1d_uvd in reference namelist', lwp ) |
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| 68 | ! |
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[4245] | 69 | REWIND( numnam_cfg ) ! Namelist namc1d_uvd in configuration namelist : Parameters of the run |
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| 70 | READ ( numnam_cfg, namc1d_uvd, IOSTAT = ios, ERR = 902 ) |
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[6140] | 71 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namc1d_uvd in configuration namelist', lwp ) |
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[4624] | 72 | IF(lwm) WRITE ( numond, namc1d_uvd ) |
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[4144] | 73 | |
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| 74 | ! ! force the initialization when dyndmp is used |
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| 75 | IF( PRESENT( ld_dyndmp ) ) ln_uvd_dyndmp = .TRUE. |
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| 76 | |
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| 77 | IF(lwp) THEN ! control print |
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| 78 | WRITE(numout,*) |
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| 79 | WRITE(numout,*) 'dta_uvd_init : U & V current data ' |
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| 80 | WRITE(numout,*) '~~~~~~~~~~~~ ' |
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| 81 | WRITE(numout,*) ' Namelist namc1d_uvd : Set flags' |
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| 82 | WRITE(numout,*) ' Initialization of ocean U & V current with input data ln_uvd_init = ', ln_uvd_init |
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| 83 | WRITE(numout,*) ' Damping of ocean U & V current toward input data ln_uvd_dyndmp = ', ln_uvd_dyndmp |
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| 84 | WRITE(numout,*) |
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| 85 | IF( .NOT. ln_uvd_init .AND. .NOT. ln_uvd_dyndmp ) THEN |
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| 86 | WRITE(numout,*) |
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| 87 | WRITE(numout,*) ' U & V current data not used' |
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| 88 | ENDIF |
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| 89 | ENDIF |
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| 90 | ! ! no initialization when restarting |
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| 91 | IF( ln_rstart .AND. ln_uvd_init ) THEN |
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| 92 | CALL ctl_warn( 'dta_uvd_init: ocean restart and U & V current data initialization, ', & |
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| 93 | & 'we keep the restart U & V current values and set ln_uvd_init to FALSE' ) |
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| 94 | ln_uvd_init = .FALSE. |
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| 95 | ENDIF |
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| 96 | |
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| 97 | ! |
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| 98 | IF( ln_uvd_init .OR. ln_uvd_dyndmp ) THEN |
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| 99 | ! !== allocate the data arrays ==! |
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| 100 | ALLOCATE( sf_uvd(2), STAT=ierr0 ) |
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| 101 | IF( ierr0 > 0 ) THEN |
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| 102 | CALL ctl_stop( 'dta_uvd_init: unable to allocate sf_uvd structure' ) ; RETURN |
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| 103 | ENDIF |
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| 104 | ! |
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| 105 | ALLOCATE( sf_uvd(1)%fnow(jpi,jpj,jpk) , STAT=ierr0 ) |
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| 106 | IF( sn_ucur%ln_tint ) ALLOCATE( sf_uvd(1)%fdta(jpi,jpj,jpk,2) , STAT=ierr1 ) |
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| 107 | ALLOCATE( sf_uvd(2)%fnow(jpi,jpj,jpk) , STAT=ierr2 ) |
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| 108 | IF( sn_vcur%ln_tint ) ALLOCATE( sf_uvd(2)%fdta(jpi,jpj,jpk,2) , STAT=ierr3 ) |
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| 109 | ! |
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| 110 | IF( ierr0 + ierr1 + ierr2 + ierr3 > 0 ) THEN |
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| 111 | CALL ctl_stop( 'dta_uvd_init : unable to allocate U & V current data arrays' ) ; RETURN |
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| 112 | ENDIF |
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| 113 | ! !== fill sf_uvd with sn_ucur, sn_vcur and control print ==! |
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| 114 | suv_i(1) = sn_ucur ; suv_i(2) = sn_vcur |
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| 115 | CALL fld_fill( sf_uvd, suv_i, cn_dir, 'dta_uvd', 'U & V current data', 'namc1d_uvd' ) |
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| 116 | ! |
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| 117 | ENDIF |
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| 118 | ! |
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| 119 | IF( nn_timing == 1 ) CALL timing_stop('dta_uvd_init') |
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| 120 | ! |
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| 121 | END SUBROUTINE dta_uvd_init |
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| 122 | |
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| 123 | |
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| 124 | SUBROUTINE dta_uvd( kt, puvd ) |
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| 125 | !!---------------------------------------------------------------------- |
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| 126 | !! *** ROUTINE dta_uvd *** |
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| 127 | !! |
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| 128 | !! ** Purpose : provides U & V current data at time step kt |
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| 129 | !! |
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| 130 | !! ** Method : - call fldread routine |
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| 131 | !! - ORCA_R2: make some hand made alterations to the data (EMPTY) |
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| 132 | !! - s- or mixed s-zps coordinate: vertical interpolation onto model mesh |
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| 133 | !! - zps coordinate: vertical interpolation onto last partial level |
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| 134 | !! - ln_uvd_dyndmp=False: deallocate the U & V current data structure, |
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| 135 | !! as the data is no longer used |
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| 136 | !! |
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| 137 | !! ** Action : puvd, U & V current data interpolated onto model mesh at time-step kt |
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| 138 | !!---------------------------------------------------------------------- |
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| 139 | INTEGER , INTENT(in ) :: kt ! ocean time-step |
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| 140 | REAL(wp), DIMENSION(jpi,jpj,jpk,2), INTENT( out) :: puvd ! U & V current data |
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| 141 | ! |
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| 142 | INTEGER :: ji, jj, jk, jl, jkk ! dummy loop indicies |
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| 143 | INTEGER :: ik, il0, il1, ii0, ii1, ij0, ij1 ! local integers |
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| 144 | REAL(wp):: zl, zi ! local floats |
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| 145 | REAL(wp), POINTER, DIMENSION(:) :: zup, zvp ! 1D workspace |
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| 146 | !!---------------------------------------------------------------------- |
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| 147 | ! |
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[6140] | 148 | IF( nn_timing == 1 ) CALL timing_start('dta_uvd') |
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[4144] | 149 | ! |
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| 150 | CALL fld_read( kt, 1, sf_uvd ) !== read U & V current data at time step kt ==! |
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| 151 | ! |
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| 152 | puvd(:,:,:,1) = sf_uvd(1)%fnow(:,:,:) ! NO mask |
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| 153 | puvd(:,:,:,2) = sf_uvd(2)%fnow(:,:,:) |
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| 154 | ! |
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| 155 | IF( ln_sco ) THEN !== s- or mixed s-zps-coordinate ==! |
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| 156 | ! |
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[6140] | 157 | CALL wrk_alloc( jpk, zup, zvp ) |
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[4144] | 158 | ! |
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| 159 | IF( kt == nit000 .AND. lwp )THEN |
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| 160 | WRITE(numout,*) |
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| 161 | WRITE(numout,*) 'dta_uvd: interpolate U & V current data onto the s- or mixed s-z-coordinate mesh' |
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| 162 | ENDIF |
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| 163 | ! |
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| 164 | DO jj = 1, jpj ! vertical interpolation of U & V current: |
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| 165 | DO ji = 1, jpi ! determines the interpolated U & V current profiles at each (i,j) point |
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| 166 | DO jk = 1, jpk |
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[6140] | 167 | zl = gdept_n(ji,jj,jk) |
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[4294] | 168 | IF ( zl < gdept_1d(1 ) ) THEN ! extrapolate above the first level of data |
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[4144] | 169 | zup(jk) = puvd(ji,jj,1 ,1) |
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| 170 | zvp(jk) = puvd(ji,jj,1 ,2) |
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[4294] | 171 | ELSEIF( zl > gdept_1d(jpk) ) THEN ! extrapolate below the last level of data |
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[4144] | 172 | zup(jk) = puvd(ji,jj,jpkm1,1) |
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| 173 | zvp(jk) = puvd(ji,jj,jpkm1,2) |
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| 174 | ELSE ! inbetween : vertical interpolation between jkk & jkk+1 |
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| 175 | DO jkk = 1, jpkm1 ! when gdept(jkk) < zl < gdept(jkk+1) |
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[4294] | 176 | IF( (zl-gdept_1d(jkk)) * (zl-gdept_1d(jkk+1)) <= 0._wp ) THEN |
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| 177 | zi = ( zl - gdept_1d(jkk) ) / (gdept_1d(jkk+1)-gdept_1d(jkk)) |
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[4144] | 178 | zup(jk) = puvd(ji,jj,jkk,1) + ( puvd(ji,jj,jkk+1,1 ) - puvd(ji,jj,jkk,1) ) * zi |
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| 179 | zvp(jk) = puvd(ji,jj,jkk,2) + ( puvd(ji,jj,jkk+1,2 ) - puvd(ji,jj,jkk,2) ) * zi |
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| 180 | ENDIF |
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| 181 | END DO |
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| 182 | ENDIF |
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| 183 | END DO |
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| 184 | DO jk = 1, jpkm1 ! apply mask |
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| 185 | puvd(ji,jj,jk,1) = zup(jk) * umask(ji,jj,jk) |
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| 186 | puvd(ji,jj,jk,2) = zvp(jk) * vmask(ji,jj,jk) |
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| 187 | END DO |
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| 188 | puvd(ji,jj,jpk,1) = 0._wp |
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| 189 | puvd(ji,jj,jpk,2) = 0._wp |
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| 190 | END DO |
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| 191 | END DO |
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| 192 | ! |
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[6140] | 193 | CALL wrk_dealloc( jpk, zup, zvp ) |
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[4144] | 194 | ! |
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| 195 | ELSE !== z- or zps- coordinate ==! |
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| 196 | ! |
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| 197 | puvd(:,:,:,1) = puvd(:,:,:,1) * umask(:,:,:) ! apply mask |
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| 198 | puvd(:,:,:,2) = puvd(:,:,:,2) * vmask(:,:,:) |
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| 199 | ! |
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| 200 | IF( ln_zps ) THEN ! zps-coordinate (partial steps) interpolation at the last ocean level |
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| 201 | DO jj = 1, jpj |
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| 202 | DO ji = 1, jpi |
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| 203 | ik = mbkt(ji,jj) |
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| 204 | IF( ik > 1 ) THEN |
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[4294] | 205 | zl = ( gdept_1d(ik) - gdept_0(ji,jj,ik) ) / ( gdept_1d(ik) - gdept_1d(ik-1) ) |
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[4144] | 206 | puvd(ji,jj,ik,1) = (1.-zl) * puvd(ji,jj,ik,1) + zl * puvd(ji,jj,ik-1,1) |
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| 207 | puvd(ji,jj,ik,2) = (1.-zl) * puvd(ji,jj,ik,2) + zl * puvd(ji,jj,ik-1,2) |
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| 208 | ENDIF |
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| 209 | END DO |
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| 210 | END DO |
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| 211 | ENDIF |
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| 212 | ! |
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| 213 | ENDIF |
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| 214 | ! |
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| 215 | IF( .NOT. ln_uvd_dyndmp ) THEN !== deallocate U & V current structure ==! |
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| 216 | ! !== (data used only for initialization) ==! |
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| 217 | IF(lwp) WRITE(numout,*) 'dta_uvd: deallocate U & V current arrays as they are only used to initialize the run' |
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| 218 | DEALLOCATE( sf_uvd(1)%fnow ) ! U current arrays in the structure |
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| 219 | IF( sf_uvd(1)%ln_tint ) DEALLOCATE( sf_uvd(1)%fdta ) |
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| 220 | DEALLOCATE( sf_uvd(2)%fnow ) ! V current arrays in the structure |
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| 221 | IF( sf_uvd(2)%ln_tint ) DEALLOCATE( sf_uvd(2)%fdta ) |
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| 222 | DEALLOCATE( sf_uvd ) ! the structure itself |
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| 223 | ENDIF |
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| 224 | ! |
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| 225 | IF( nn_timing == 1 ) CALL timing_stop('dta_uvd') |
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| 226 | ! |
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| 227 | END SUBROUTINE dta_uvd |
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| 228 | |
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| 229 | !!====================================================================== |
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| 230 | END MODULE dtauvd |
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