| 1 | MODULE diaar5 |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE diaar5 *** |
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| 4 | !! AR5 diagnostics |
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| 5 | !!====================================================================== |
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| 6 | !! History : 3.2 ! 2009-11 (S. Masson) Original code |
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| 7 | !! 3.3 ! 2010-10 (C. Ethe, G. Madec) reorganisation of initialisation phase + merge TRC-TRA |
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| 8 | !!---------------------------------------------------------------------- |
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| 9 | !! dia_ar5 : AR5 diagnostics |
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| 10 | !! dia_ar5_init : initialisation of AR5 diagnostics |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | USE oce ! ocean dynamics and active tracers |
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| 13 | USE dom_oce ! ocean space and time domain |
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| 14 | USE eosbn2 ! equation of state (eos_bn2 routine) |
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| 15 | USE phycst ! physical constant |
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| 16 | USE in_out_manager ! I/O manager |
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| 17 | USE zdfddm |
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| 18 | USE zdf_oce |
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| 19 | ! |
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| 20 | USE lib_mpp ! distribued memory computing library |
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| 21 | USE iom ! I/O manager library |
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| 22 | USE fldread ! type FLD_N |
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| 23 | USE timing ! preformance summary |
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| 24 | |
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| 25 | IMPLICIT NONE |
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| 26 | PRIVATE |
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| 27 | |
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| 28 | PUBLIC dia_ar5 ! routine called in step.F90 module |
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| 29 | PUBLIC dia_ar5_alloc ! routine called in nemogcm.F90 module |
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| 30 | PUBLIC dia_ar5_hst ! heat/salt transport |
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| 31 | |
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| 32 | REAL(dp) :: vol0 ! ocean volume (interior domain) |
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| 33 | REAL(dp) :: area_tot ! total ocean surface (interior domain) |
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| 34 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,: ) :: thick0 ! ocean thickness (interior domain) |
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| 35 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sn0 ! initial salinity |
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| 36 | |
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| 37 | LOGICAL :: l_ar5 |
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| 38 | |
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| 39 | !! * Substitutions |
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| 40 | # include "do_loop_substitute.h90" |
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| 41 | # include "domzgr_substitute.h90" |
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| 42 | # include "single_precision_substitute.h90" |
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| 43 | !!---------------------------------------------------------------------- |
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| 44 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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| 45 | !! $Id$ |
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| 46 | !! Software governed by the CeCILL license (see ./LICENSE) |
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| 47 | !!---------------------------------------------------------------------- |
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| 48 | CONTAINS |
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| 49 | |
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| 50 | FUNCTION dia_ar5_alloc() |
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| 51 | !!---------------------------------------------------------------------- |
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| 52 | !! *** ROUTINE dia_ar5_alloc *** |
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| 53 | !!---------------------------------------------------------------------- |
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| 54 | INTEGER :: dia_ar5_alloc |
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| 55 | !!---------------------------------------------------------------------- |
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| 56 | ! |
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| 57 | ALLOCATE( thick0(jpi,jpj) , sn0(jpi,jpj,jpk), STAT=dia_ar5_alloc ) |
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| 58 | ! |
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| 59 | CALL mpp_sum ( 'diaar5', dia_ar5_alloc ) |
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| 60 | IF( dia_ar5_alloc /= 0 ) CALL ctl_stop( 'STOP', 'dia_ar5_alloc: failed to allocate arrays' ) |
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| 61 | ! |
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| 62 | END FUNCTION dia_ar5_alloc |
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| 63 | |
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| 64 | |
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| 65 | SUBROUTINE dia_ar5( kt, Kmm ) |
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| 66 | !!---------------------------------------------------------------------- |
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| 67 | !! *** ROUTINE dia_ar5 *** |
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| 68 | !! |
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| 69 | !! ** Purpose : compute and output some AR5 diagnostics |
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| 70 | !!---------------------------------------------------------------------- |
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| 71 | ! |
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| 72 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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| 73 | INTEGER, INTENT( in ) :: Kmm ! ocean time level index |
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| 74 | ! |
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| 75 | INTEGER :: ji, jj, jk, iks, ikb ! dummy loop arguments |
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| 76 | REAL(wp) :: zvolssh, zvol, zssh_steric, zztmp, zarho, ztemp, zsal, zmass, zsst |
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| 77 | REAL(wp) :: zaw, zbw, zrw |
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| 78 | ! |
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| 79 | REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: zarea_ssh , zbotpres ! 2D workspace |
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| 80 | REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: z2d! 2D workspace |
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| 81 | REAL(dp), ALLOCATABLE, DIMENSION(:,:) :: zpe! 2D workspace |
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| 82 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: zgdept! 3D workspace (zgdept: needed to use the substitute) |
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| 83 | REAL(dp), ALLOCATABLE, DIMENSION(:,:,:) :: z3d, zrhd, ztpot! 3D workspace (zgdept: needed to use the substitute) |
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| 84 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:,:) :: ztsn ! 4D workspace |
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| 85 | |
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| 86 | !!-------------------------------------------------------------------- |
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| 87 | IF( ln_timing ) CALL timing_start('dia_ar5') |
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| 88 | |
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| 89 | IF( kt == nit000 ) CALL dia_ar5_init |
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| 90 | |
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| 91 | IF( l_ar5 ) THEN |
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| 92 | ALLOCATE( zarea_ssh(jpi,jpj), zbotpres(jpi,jpj), z2d(jpi,jpj) ) |
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| 93 | ALLOCATE( zrhd(jpi,jpj,jpk) ) |
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| 94 | ALLOCATE( ztsn(jpi,jpj,jpk,jpts) ) |
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| 95 | zarea_ssh(:,:) = e1e2t(:,:) * ssh(:,:,Kmm) |
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| 96 | ENDIF |
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| 97 | ! |
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| 98 | CALL iom_put( 'e2u' , e2u (:,:) ) |
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| 99 | CALL iom_put( 'e1v' , e1v (:,:) ) |
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| 100 | CALL iom_put( 'areacello', e1e2t(:,:) ) |
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| 101 | ! |
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| 102 | IF( iom_use( 'volcello' ) .OR. iom_use( 'masscello' ) ) THEN |
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| 103 | zrhd(:,:,jpk) = 0._wp ! ocean volume ; rhd is used as workspace |
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| 104 | DO jk = 1, jpkm1 |
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| 105 | zrhd(:,:,jk) = e1e2t(:,:) * e3t(:,:,jk,Kmm) * tmask(:,:,jk) |
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| 106 | END DO |
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| 107 | DO jk = 1, jpk |
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| 108 | z3d(:,:,jk) = rho0 * e3t(:,:,jk,Kmm) * tmask(:,:,jk) |
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| 109 | END DO |
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| 110 | CALL iom_put( 'volcello' , zrhd(:,:,:) ) ! WARNING not consistent with CMIP DR where volcello is at ca. 2000 |
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| 111 | CALL iom_put( 'masscello' , z3d (:,:,:) ) ! ocean mass |
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| 112 | ENDIF |
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| 113 | ! |
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| 114 | IF( iom_use( 'e3tb' ) ) THEN ! bottom layer thickness |
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| 115 | DO_2D( 1, 1, 1, 1 ) |
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| 116 | ikb = mbkt(ji,jj) |
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| 117 | z2d(ji,jj) = e3t(ji,jj,ikb,Kmm) |
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| 118 | END_2D |
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| 119 | CALL iom_put( 'e3tb', z2d ) |
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| 120 | ENDIF |
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| 121 | ! |
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| 122 | IF( iom_use( 'voltot' ) .OR. iom_use( 'sshtot' ) .OR. iom_use( 'sshdyn' ) ) THEN |
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| 123 | ! ! total volume of liquid seawater |
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| 124 | zvolssh = glob_sum( 'diaar5', zarea_ssh(:,:) ) |
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| 125 | zvol = vol0 + zvolssh |
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| 126 | |
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| 127 | CALL iom_put( 'voltot', zvol ) |
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| 128 | CALL iom_put( 'sshtot', zvolssh / area_tot ) |
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| 129 | CALL iom_put( 'sshdyn', ssh(:,:,Kmm) - (zvolssh / area_tot) ) |
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| 130 | ! |
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| 131 | ENDIF |
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| 132 | |
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| 133 | IF( iom_use( 'botpres' ) .OR. iom_use( 'sshthster' ) .OR. iom_use( 'sshsteric' ) ) THEN |
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| 134 | ! |
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| 135 | ztsn(:,:,:,jp_tem) = ts(:,:,:,jp_tem,Kmm) ! thermosteric ssh |
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| 136 | ztsn(:,:,:,jp_sal) = sn0(:,:,:) |
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| 137 | ALLOCATE( zgdept(jpi,jpj,jpk) ) |
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| 138 | DO jk = 1, jpk |
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| 139 | zgdept(:,:,jk) = gdept(:,:,jk,Kmm) |
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| 140 | END DO |
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| 141 | CALL eos( CASTDP(ztsn), zrhd, CASTDP(zgdept)) ! now in situ density using initial salinity |
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| 142 | ! |
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| 143 | zbotpres(:,:) = 0._wp ! no atmospheric surface pressure, levitating sea-ice |
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| 144 | DO jk = 1, jpkm1 |
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| 145 | zbotpres(:,:) = zbotpres(:,:) + e3t(:,:,jk,Kmm) * zrhd(:,:,jk) |
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| 146 | END DO |
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| 147 | IF( ln_linssh ) THEN |
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| 148 | IF( ln_isfcav ) THEN |
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| 149 | DO_2D( nn_hls, nn_hls, nn_hls, nn_hls ) |
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| 150 | iks = mikt(ji,jj) |
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| 151 | zbotpres(ji,jj) = zbotpres(ji,jj) + ssh(ji,jj,Kmm) * zrhd(ji,jj,iks) + riceload(ji,jj) |
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| 152 | END_2D |
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| 153 | ELSE |
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| 154 | zbotpres(:,:) = zbotpres(:,:) + ssh(:,:,Kmm) * zrhd(:,:,1) |
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| 155 | END IF |
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| 156 | !!gm |
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| 157 | !!gm riceload should be added in both ln_linssh=T or F, no? |
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| 158 | !!gm |
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| 159 | END IF |
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| 160 | ! |
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| 161 | zarho = glob_sum( 'diaar5', e1e2t(:,:) * zbotpres(:,:) ) |
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| 162 | zssh_steric = - zarho / area_tot |
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| 163 | CALL iom_put( 'sshthster', zssh_steric ) |
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| 164 | |
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| 165 | ! ! steric sea surface height |
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| 166 | zbotpres(:,:) = 0._wp ! no atmospheric surface pressure, levitating sea-ice |
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| 167 | DO jk = 1, jpkm1 |
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| 168 | zbotpres(:,:) = zbotpres(:,:) + e3t(:,:,jk,Kmm) * rhd(:,:,jk) |
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| 169 | END DO |
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| 170 | IF( ln_linssh ) THEN |
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| 171 | IF ( ln_isfcav ) THEN |
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| 172 | DO ji = 1,jpi |
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| 173 | DO jj = 1,jpj |
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| 174 | iks = mikt(ji,jj) |
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| 175 | zbotpres(ji,jj) = zbotpres(ji,jj) + ssh(ji,jj,Kmm) * rhd(ji,jj,iks) + riceload(ji,jj) |
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| 176 | END DO |
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| 177 | END DO |
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| 178 | ELSE |
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| 179 | zbotpres(:,:) = zbotpres(:,:) + ssh(:,:,Kmm) * rhd(:,:,1) |
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| 180 | END IF |
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| 181 | END IF |
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| 182 | ! |
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| 183 | zarho = glob_sum( 'diaar5', e1e2t(:,:) * zbotpres(:,:) ) |
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| 184 | zssh_steric = - zarho / area_tot |
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| 185 | CALL iom_put( 'sshsteric', zssh_steric ) |
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| 186 | ! ! ocean bottom pressure |
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| 187 | zztmp = rho0 * grav * 1.e-4_wp ! recover pressure from pressure anomaly and cover to dbar = 1.e4 Pa |
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| 188 | zbotpres(:,:) = zztmp * ( zbotpres(:,:) + ssh(:,:,Kmm) + thick0(:,:) ) |
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| 189 | CALL iom_put( 'botpres', zbotpres ) |
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| 190 | ! |
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| 191 | DEALLOCATE( zgdept ) |
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| 192 | ! |
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| 193 | ENDIF |
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| 194 | |
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| 195 | IF( iom_use( 'masstot' ) .OR. iom_use( 'temptot' ) .OR. iom_use( 'saltot' ) ) THEN |
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| 196 | ! ! Mean density anomalie, temperature and salinity |
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| 197 | ztsn(:,:,:,:) = 0._wp ! ztsn(:,:,1,jp_tem/sal) is used here as 2D Workspace for temperature & salinity |
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| 198 | DO_3D( 1, 1, 1, 1, 1, jpkm1 ) |
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| 199 | zztmp = e1e2t(ji,jj) * e3t(ji,jj,jk,Kmm) |
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| 200 | ztsn(ji,jj,1,jp_tem) = ztsn(ji,jj,1,jp_tem) + zztmp * ts(ji,jj,jk,jp_tem,Kmm) |
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| 201 | ztsn(ji,jj,1,jp_sal) = ztsn(ji,jj,1,jp_sal) + zztmp * ts(ji,jj,jk,jp_sal,Kmm) |
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| 202 | END_3D |
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| 203 | |
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| 204 | IF( ln_linssh ) THEN |
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| 205 | IF( ln_isfcav ) THEN |
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| 206 | DO ji = 1, jpi |
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| 207 | DO jj = 1, jpj |
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| 208 | iks = mikt(ji,jj) |
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| 209 | ztsn(ji,jj,1,jp_tem) = ztsn(ji,jj,1,jp_tem) + zarea_ssh(ji,jj) * ts(ji,jj,iks,jp_tem,Kmm) |
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| 210 | ztsn(ji,jj,1,jp_sal) = ztsn(ji,jj,1,jp_sal) + zarea_ssh(ji,jj) * ts(ji,jj,iks,jp_sal,Kmm) |
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| 211 | END DO |
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| 212 | END DO |
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| 213 | ELSE |
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| 214 | ztsn(:,:,1,jp_tem) = ztsn(:,:,1,jp_tem) + zarea_ssh(:,:) * ts(:,:,1,jp_tem,Kmm) |
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| 215 | ztsn(:,:,1,jp_sal) = ztsn(:,:,1,jp_sal) + zarea_ssh(:,:) * ts(:,:,1,jp_sal,Kmm) |
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| 216 | END IF |
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| 217 | ENDIF |
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| 218 | ! |
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| 219 | ztemp = glob_sum( 'diaar5', ztsn(:,:,1,jp_tem) ) |
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| 220 | zsal = glob_sum( 'diaar5', ztsn(:,:,1,jp_sal) ) |
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| 221 | zmass = rho0 * ( zarho + zvol ) |
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| 222 | ! |
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| 223 | CALL iom_put( 'masstot', zmass ) |
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| 224 | CALL iom_put( 'temptot', ztemp / zvol ) |
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| 225 | CALL iom_put( 'saltot' , zsal / zvol ) |
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| 226 | ! |
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| 227 | ENDIF |
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| 228 | |
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| 229 | IF( ln_teos10 ) THEN ! ! potential temperature (TEOS-10 case) |
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| 230 | IF( iom_use( 'toce_pot') .OR. iom_use( 'temptot_pot' ) .OR. iom_use( 'sst_pot' ) & |
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| 231 | .OR. iom_use( 'ssttot' ) .OR. iom_use( 'tosmint_pot' ) ) THEN |
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| 232 | ! |
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| 233 | ALLOCATE( ztpot(jpi,jpj,jpk) ) |
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| 234 | ztpot(:,:,jpk) = 0._wp |
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| 235 | DO jk = 1, jpkm1 |
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| 236 | ztpot(:,:,jk) = eos_pt_from_ct( ts(:,:,jk,jp_tem,Kmm), ts(:,:,jk,jp_sal,Kmm) ) |
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| 237 | END DO |
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| 238 | ! |
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| 239 | CALL iom_put( 'toce_pot', ztpot(:,:,:) ) ! potential temperature (TEOS-10 case) |
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| 240 | CALL iom_put( 'sst_pot' , ztpot(:,:,1) ) ! surface temperature |
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| 241 | ! |
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| 242 | IF( iom_use( 'temptot_pot' ) ) THEN ! Output potential temperature in case we use TEOS-10 |
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| 243 | z2d(:,:) = 0._wp |
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| 244 | DO jk = 1, jpkm1 |
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| 245 | z2d(:,:) = z2d(:,:) + e1e2t(:,:) * e3t(:,:,jk,Kmm) * ztpot(:,:,jk) |
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| 246 | END DO |
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| 247 | ztemp = glob_sum( 'diaar5', z2d(:,:) ) |
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| 248 | CALL iom_put( 'temptot_pot', ztemp / zvol ) |
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| 249 | ENDIF |
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| 250 | ! |
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| 251 | IF( iom_use( 'ssttot' ) ) THEN ! Output potential temperature in case we use TEOS-10 |
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| 252 | zsst = glob_sum( 'diaar5', e1e2t(:,:) * ztpot(:,:,1) ) |
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| 253 | CALL iom_put( 'ssttot', zsst / area_tot ) |
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| 254 | ENDIF |
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| 255 | ! Vertical integral of temperature |
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| 256 | IF( iom_use( 'tosmint_pot') ) THEN |
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| 257 | z2d(:,:) = 0._wp |
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| 258 | DO_3D( 1, 1, 1, 1, 1, jpkm1 ) |
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| 259 | z2d(ji,jj) = z2d(ji,jj) + rho0 * e3t(ji,jj,jk,Kmm) * ztpot(ji,jj,jk) |
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| 260 | END_3D |
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| 261 | CALL iom_put( 'tosmint_pot', z2d ) |
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| 262 | ENDIF |
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| 263 | DEALLOCATE( ztpot ) |
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| 264 | ENDIF |
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| 265 | ELSE |
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| 266 | IF( iom_use('ssttot') ) THEN ! Output sst in case we use EOS-80 |
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| 267 | zsst = glob_sum( 'diaar5', e1e2t(:,:) * ts(:,:,1,jp_tem,Kmm) ) |
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| 268 | CALL iom_put('ssttot', zsst / area_tot ) |
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| 269 | ENDIF |
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| 270 | ENDIF |
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| 271 | |
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| 272 | IF( iom_use( 'tnpeo' )) THEN |
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| 273 | ! Work done against stratification by vertical mixing |
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| 274 | ! Exclude points where rn2 is negative as convection kicks in here and |
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| 275 | ! work is not being done against stratification |
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| 276 | ALLOCATE( zpe(jpi,jpj) ) |
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| 277 | zpe(:,:) = 0._wp |
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| 278 | IF( ln_zdfddm ) THEN |
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| 279 | DO_3D( 1, 1, 1, 1, 2, jpk ) |
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| 280 | IF( rn2(ji,jj,jk) > 0._wp ) THEN |
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| 281 | zrw = ( gdept(ji,jj,jk,Kmm) - gdepw(ji,jj,jk,Kmm) ) / e3w(ji,jj,jk,Kmm) |
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| 282 | ! |
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| 283 | zaw = rab_n(ji,jj,jk,jp_tem) * (1. - zrw) + rab_n(ji,jj,jk-1,jp_tem)* zrw |
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| 284 | zbw = rab_n(ji,jj,jk,jp_sal) * (1. - zrw) + rab_n(ji,jj,jk-1,jp_sal)* zrw |
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| 285 | ! |
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| 286 | zpe(ji, jj) = zpe(ji,jj) & |
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| 287 | & - grav * ( avt(ji,jj,jk) * zaw * (ts(ji,jj,jk-1,jp_tem,Kmm) - ts(ji,jj,jk,jp_tem,Kmm) ) & |
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| 288 | & - avs(ji,jj,jk) * zbw * (ts(ji,jj,jk-1,jp_sal,Kmm) - ts(ji,jj,jk,jp_sal,Kmm) ) ) |
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| 289 | ENDIF |
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| 290 | END_3D |
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| 291 | ELSE |
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| 292 | DO_3D( 1, 1, 1, 1, 1, jpk ) |
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| 293 | zpe(ji,jj) = zpe(ji,jj) + avt(ji,jj,jk) * MIN(0._wp,rn2(ji,jj,jk)) * rho0 * e3w(ji,jj,jk,Kmm) |
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| 294 | END_3D |
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| 295 | ENDIF |
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| 296 | CALL iom_put( 'tnpeo', zpe ) |
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| 297 | DEALLOCATE( zpe ) |
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| 298 | ENDIF |
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| 299 | |
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| 300 | IF( l_ar5 ) THEN |
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| 301 | DEALLOCATE( zarea_ssh , zbotpres, z2d ) |
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| 302 | DEALLOCATE( ztsn ) |
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| 303 | ENDIF |
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| 304 | ! |
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| 305 | IF( ln_timing ) CALL timing_stop('dia_ar5') |
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| 306 | ! |
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| 307 | END SUBROUTINE dia_ar5 |
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| 308 | |
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| 309 | |
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| 310 | SUBROUTINE dia_ar5_hst( ktra, cptr, puflx, pvflx ) |
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| 311 | !!---------------------------------------------------------------------- |
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| 312 | !! *** ROUTINE dia_ar5_htr *** |
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| 313 | !!---------------------------------------------------------------------- |
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| 314 | !! Wrapper for heat transport calculations |
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| 315 | !! Called from all advection and/or diffusion routines |
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| 316 | !!---------------------------------------------------------------------- |
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| 317 | INTEGER , INTENT(in ) :: ktra ! tracer index |
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| 318 | CHARACTER(len=3) , INTENT(in) :: cptr ! transport type 'adv'/'ldf' |
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| 319 | REAL(dp), DIMENSION(A2D(nn_hls),jpk) , INTENT(in) :: puflx ! u-flux of advection/diffusion |
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| 320 | REAL(dp), DIMENSION(A2D(nn_hls),jpk) , INTENT(in) :: pvflx ! v-flux of advection/diffusion |
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| 321 | ! |
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| 322 | INTEGER :: ji, jj, jk |
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| 323 | REAL(dp), DIMENSION(A2D(nn_hls)) :: z2d |
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| 324 | |
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| 325 | z2d(:,:) = puflx(:,:,1) |
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| 326 | DO_3D( 0, 0, 0, 0, 1, jpkm1 ) |
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| 327 | z2d(ji,jj) = z2d(ji,jj) + puflx(ji,jj,jk) |
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| 328 | END_3D |
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| 329 | |
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| 330 | IF( cptr == 'adv' ) THEN |
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| 331 | IF( ktra == jp_tem ) CALL iom_put( 'uadv_heattr' , rho0_rcp * z2d(:,:) ) ! advective heat transport in i-direction |
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| 332 | IF( ktra == jp_sal ) CALL iom_put( 'uadv_salttr' , rho0 * z2d(:,:) ) ! advective salt transport in i-direction |
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| 333 | ELSE IF( cptr == 'ldf' ) THEN |
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| 334 | IF( ktra == jp_tem ) CALL iom_put( 'udiff_heattr' , rho0_rcp * z2d(:,:) ) ! diffusive heat transport in i-direction |
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| 335 | IF( ktra == jp_sal ) CALL iom_put( 'udiff_salttr' , rho0 * z2d(:,:) ) ! diffusive salt transport in i-direction |
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| 336 | ENDIF |
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| 337 | ! |
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| 338 | z2d(:,:) = pvflx(:,:,1) |
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| 339 | DO_3D( 0, 0, 0, 0, 1, jpkm1 ) |
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| 340 | z2d(ji,jj) = z2d(ji,jj) + pvflx(ji,jj,jk) |
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| 341 | END_3D |
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| 342 | |
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| 343 | IF( cptr == 'adv' ) THEN |
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| 344 | IF( ktra == jp_tem ) CALL iom_put( 'vadv_heattr' , rho0_rcp * z2d(:,:) ) ! advective heat transport in j-direction |
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| 345 | IF( ktra == jp_sal ) CALL iom_put( 'vadv_salttr' , rho0 * z2d(:,:) ) ! advective salt transport in j-direction |
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| 346 | ELSE IF( cptr == 'ldf' ) THEN |
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| 347 | IF( ktra == jp_tem ) CALL iom_put( 'vdiff_heattr' , rho0_rcp * z2d(:,:) ) ! diffusive heat transport in j-direction |
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| 348 | IF( ktra == jp_sal ) CALL iom_put( 'vdiff_salttr' , rho0 * z2d(:,:) ) ! diffusive salt transport in j-direction |
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| 349 | ENDIF |
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| 350 | |
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| 351 | END SUBROUTINE dia_ar5_hst |
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| 352 | |
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| 353 | |
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| 354 | SUBROUTINE dia_ar5_init |
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| 355 | !!---------------------------------------------------------------------- |
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| 356 | !! *** ROUTINE dia_ar5_init *** |
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| 357 | !! |
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| 358 | !! ** Purpose : initialization for AR5 diagnostic computation |
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| 359 | !!---------------------------------------------------------------------- |
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| 360 | INTEGER :: inum |
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| 361 | INTEGER :: ik, idep |
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| 362 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 363 | REAL(wp) :: zztmp |
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| 364 | REAL(dp), ALLOCATABLE, DIMENSION(:,:,:,:) :: zsaldta ! Jan/Dec levitus salinity |
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| 365 | REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: zvol0 |
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| 366 | ! |
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| 367 | !!---------------------------------------------------------------------- |
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| 368 | ! |
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| 369 | l_ar5 = .FALSE. |
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| 370 | IF( iom_use( 'voltot' ) .OR. iom_use( 'sshtot' ) .OR. iom_use( 'sshdyn' ) .OR. & |
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| 371 | & iom_use( 'masstot' ) .OR. iom_use( 'temptot' ) .OR. iom_use( 'saltot' ) .OR. & |
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| 372 | & iom_use( 'botpres' ) .OR. iom_use( 'sshthster' ) .OR. iom_use( 'sshsteric' ) .OR. & |
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| 373 | & iom_use( 'uadv_heattr' ) .OR. iom_use( 'udiff_heattr' ) .OR. & |
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| 374 | & iom_use( 'uadv_salttr' ) .OR. iom_use( 'udiff_salttr' ) .OR. & |
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| 375 | & iom_use( 'vadv_heattr' ) .OR. iom_use( 'vdiff_heattr' ) .OR. & |
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| 376 | & iom_use( 'vadv_salttr' ) .OR. iom_use( 'vdiff_salttr' ) .OR. & |
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| 377 | & iom_use( 'rhop' ) ) L_ar5 = .TRUE. |
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| 378 | |
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| 379 | IF( l_ar5 ) THEN |
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| 380 | ! |
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| 381 | ! ! allocate dia_ar5 arrays |
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| 382 | IF( dia_ar5_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'dia_ar5_init : unable to allocate arrays' ) |
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| 383 | |
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| 384 | area_tot = glob_sum( 'diaar5', e1e2t(:,:) ) |
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| 385 | |
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| 386 | ALLOCATE( zvol0(jpi,jpj) ) |
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| 387 | zvol0 (:,:) = 0._wp |
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| 388 | thick0(:,:) = 0._wp |
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| 389 | DO_3D( 1, 1, 1, 1, 1, jpkm1 ) ! interpolation of salinity at the last ocean level (i.e. the partial step) |
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| 390 | idep = tmask(ji,jj,jk) * e3t_0(ji,jj,jk) |
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| 391 | zvol0 (ji,jj) = zvol0 (ji,jj) + idep * e1e2t(ji,jj) |
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| 392 | thick0(ji,jj) = thick0(ji,jj) + idep |
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| 393 | END_3D |
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| 394 | vol0 = glob_sum( 'diaar5', zvol0 ) |
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| 395 | DEALLOCATE( zvol0 ) |
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| 396 | |
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| 397 | IF( iom_use( 'sshthster' ) ) THEN |
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| 398 | ALLOCATE( zsaldta(jpi,jpj,jpk,jpts) ) |
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| 399 | CALL iom_open ( 'sali_ref_clim_monthly', inum ) |
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| 400 | CALL iom_get ( inum, jpdom_global, 'vosaline' , zsaldta(:,:,:,1), 1 ) |
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| 401 | CALL iom_get ( inum, jpdom_global, 'vosaline' , zsaldta(:,:,:,2), 12 ) |
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| 402 | CALL iom_close( inum ) |
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| 403 | |
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| 404 | sn0(:,:,:) = 0.5_wp * ( zsaldta(:,:,:,1) + zsaldta(:,:,:,2) ) |
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| 405 | sn0(:,:,:) = sn0(:,:,:) * tmask(:,:,:) |
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| 406 | IF( ln_zps ) THEN ! z-coord. partial steps |
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| 407 | DO_2D( 1, 1, 1, 1 ) ! interpolation of salinity at the last ocean level (i.e. the partial step) |
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| 408 | ik = mbkt(ji,jj) |
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| 409 | IF( ik > 1 ) THEN |
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| 410 | zztmp = ( gdept_1d(ik) - gdept_0(ji,jj,ik) ) / ( gdept_1d(ik) - gdept_1d(ik-1) ) |
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| 411 | sn0(ji,jj,ik) = ( 1._wp - zztmp ) * sn0(ji,jj,ik) + zztmp * sn0(ji,jj,ik-1) |
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| 412 | ENDIF |
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| 413 | END_2D |
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| 414 | ENDIF |
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| 415 | ! |
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| 416 | DEALLOCATE( zsaldta ) |
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| 417 | ENDIF |
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| 418 | ! |
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| 419 | ENDIF |
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| 420 | ! |
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| 421 | END SUBROUTINE dia_ar5_init |
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| 422 | |
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| 423 | !!====================================================================== |
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| 424 | END MODULE diaar5 |
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