| 1 | MODULE sbcana_tam |
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| 2 | #if defined key_tam |
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| 3 | !!====================================================================== |
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| 4 | !! *** MODULE sbcana *** |
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| 5 | !! Ocean forcing: analytical momentum, heat and freshwater forcings |
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| 6 | !!===================================================================== |
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| 7 | !! History of the direct module : |
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| 8 | !! History : 3.0 ! 06-06 (G. Madec) Original code |
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| 9 | !! History of the T&A module : |
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| 10 | !! 3.0 ! 2009-10 (F. Vigilant) original verison |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | |
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| 13 | !!---------------------------------------------------------------------- |
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| 14 | !! sbc_ana : set an analytical ocean forcing |
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| 15 | !! sbc_gyre : set the GYRE configuration analytical forcing |
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| 16 | !!---------------------------------------------------------------------- |
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| 17 | USE par_kind , ONLY: & ! |
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| 18 | & wp |
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| 19 | ! USE oce ! ocean dynamics and tracers |
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| 20 | USE oce_tam , ONLY: & ! ocean dynamics and tracers |
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| 21 | & tb_tl, & |
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| 22 | & tb_ad |
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| 23 | USE par_oce , ONLY: & ! Ocean space and time domain variables |
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| 24 | & jpi, & |
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| 25 | & jpj, & |
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| 26 | & jpk, & |
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| 27 | & jpiglo |
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| 28 | USE dom_oce , ONLY: & ! ocean space and time domain |
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| 29 | & e1t, & |
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| 30 | & e2t, & |
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| 31 | #if defined key_zco |
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| 32 | & e3t_0, & |
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| 33 | #else |
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| 34 | & e3t, & |
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| 35 | #endif |
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| 36 | & tmask, & |
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| 37 | & tmask_i, & |
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| 38 | & mig, & |
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| 39 | & mjg, & |
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| 40 | & nldi, & |
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| 41 | & nldj, & |
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| 42 | & nlei, & |
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| 43 | & nlej |
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| 44 | ! USE sbc_oce ! Surface boundary condition: ocean fields |
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| 45 | ! USE phycst ! physical constants |
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| 46 | ! USE daymod ! calendar |
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| 47 | USE in_out_manager, ONLY: & ! I/O manager |
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| 48 | & lwp, & |
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| 49 | & numout, & |
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| 50 | & numnam, & |
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| 51 | & nbench, & |
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| 52 | & nbit_cmp, & |
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| 53 | & nit000, & |
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| 54 | & nitend |
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| 55 | USE lib_mpp , ONLY: & ! distributed memory computing |
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| 56 | & lk_mpp, & |
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| 57 | & mpp_sum |
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| 58 | ! USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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| 59 | USE sbc_oce_tam , ONLY: & ! surface variables |
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| 60 | & emp_tl, & |
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| 61 | & emps_tl, & |
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| 62 | & emp_ad, & |
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| 63 | & emps_ad |
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| 64 | USE sbc_oce_tam , ONLY: & ! thermohaline fluxes |
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| 65 | & qsr_tl, & |
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| 66 | & qsr_ad, & |
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| 67 | & qns_tl, & |
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| 68 | & qns_ad |
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| 69 | USE tstool_tam , ONLY: & |
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| 70 | & prntst_adj, & |
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| 71 | & stdemp, & ! evaporation minus precip |
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| 72 | & stdt ! sea surface height |
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| 73 | USE gridrandom , ONLY: & ! Random Gaussian noise on grids |
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| 74 | & grid_random |
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| 75 | USE dotprodfld , ONLY: & ! Computes dot product for 3D and 2D fields |
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| 76 | & dot_product |
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| 77 | |
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| 78 | IMPLICIT NONE |
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| 79 | PRIVATE |
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| 80 | |
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| 81 | PUBLIC sbc_ana_tan ! routine called sbcmod_tam |
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| 82 | PUBLIC sbc_ana_adj ! routine called sbcmod_tam |
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| 83 | PUBLIC sbc_gyre_tan ! routine called sbcmod_tam |
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| 84 | PUBLIC sbc_gyre_adj ! routine called sbcmod_tam |
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| 85 | PUBLIC sbc_gyre_adj_tst ! routine called by tst |
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| 86 | |
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| 87 | !! * Namelist namsbc_ana |
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| 88 | INTEGER :: nn_tau000 = 1 ! nb of time-step during which the surface stress |
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| 89 | ! ! increase from 0 to its nominal value |
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| 90 | REAL(wp) :: rn_utau0 = 0.e0 ! constant wind stress value in i-direction |
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| 91 | REAL(wp) :: rn_vtau0 = 0.e0 ! constant wind stress value in j-direction |
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| 92 | REAL(wp) :: rn_qns0 = 0.e0 ! non solar heat flux |
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| 93 | REAL(wp) :: rn_qsr0 = 0.e0 ! solar heat flux |
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| 94 | REAL(wp) :: rn_emp0 = 0.e0 ! net freshwater flux |
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| 95 | |
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| 96 | REAL(wp) :: rhoa = 1.22 ! Air density kg/m3 |
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| 97 | REAL(wp) :: cdrag = 1.5e-3 ! drag coefficient |
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| 98 | |
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| 99 | !! * Substitutions |
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| 100 | # include "domzgr_substitute.h90" |
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| 101 | # include "vectopt_loop_substitute.h90" |
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| 102 | !!---------------------------------------------------------------------- |
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| 103 | !! OPA 9.0 , LOCEAN-IPSL (2006) |
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| 104 | !! $Id$ |
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| 105 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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| 106 | !!---------------------------------------------------------------------- |
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| 107 | |
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| 108 | CONTAINS |
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| 109 | |
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| 110 | SUBROUTINE sbc_ana_tan( kt ) |
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| 111 | !!--------------------------------------------------------------------- |
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| 112 | !! *** ROUTINE sbc_ana *** |
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| 113 | !! |
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| 114 | !! ** Purpose : provide at each time-step the ocean surface boundary |
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| 115 | !! condition, i.e. the momentum, heat and freshwater fluxes. |
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| 116 | !! |
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| 117 | !! ** Method : Constant and uniform surface forcing specified from |
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| 118 | !! namsbc_ana namelist parameters. All the fluxes are time inde- |
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| 119 | !! pendant except the stresses which increase from zero during |
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| 120 | !! the first nn_tau000 time-step |
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| 121 | !! * C A U T I O N : never mask the surface stress field ! |
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| 122 | !! |
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| 123 | !! ** Action : - set the ocean surface boundary condition, i.e. |
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| 124 | !! utau, vtau, qns, qsr, emp, emps |
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| 125 | !!---------------------------------------------------------------------- |
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| 126 | INTEGER, INTENT(in) :: kt ! ocean time step |
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| 127 | !! |
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| 128 | NAMELIST/namsbc_ana/ nn_tau000, rn_utau0, rn_vtau0, rn_qns0, rn_qsr0, rn_emp0 |
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| 129 | !!--------------------------------------------------------------------- |
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| 130 | ! |
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| 131 | IF( kt == nit000 ) THEN |
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| 132 | ! |
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| 133 | REWIND ( numnam ) ! Read Namelist namsbc : surface fluxes |
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| 134 | READ ( numnam, namsbc_ana ) |
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| 135 | ! |
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| 136 | IF(lwp) WRITE(numout,*)' ' |
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| 137 | IF(lwp) WRITE(numout,*)' sbc_ana_tan : Constant surface fluxes read in namsbc_ana namelist' |
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| 138 | IF(lwp) WRITE(numout,*)' ~~~~~~~ ' |
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| 139 | IF(lwp) WRITE(numout,*)' spin up of the stress nn_tau000 = ', nn_tau000, ' time-steps' |
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| 140 | IF(lwp) WRITE(numout,*)' constant i-stress rn_utau0 = ', rn_utau0 , ' N/m2' |
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| 141 | IF(lwp) WRITE(numout,*)' constant j-stress rn_vtau0 = ', rn_vtau0 , ' N/m2' |
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| 142 | IF(lwp) WRITE(numout,*)' non solar heat flux rn_qns0 = ', rn_qns0 , ' W/m2' |
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| 143 | IF(lwp) WRITE(numout,*)' solar heat flux rn_qsr0 = ', rn_qsr0 , ' W/m2' |
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| 144 | IF(lwp) WRITE(numout,*)' net heat flux rn_emp0 = ', rn_emp0 , ' Kg/m2/s' |
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| 145 | ! |
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| 146 | nn_tau000 = MAX( nn_tau000, 1 ) ! must be >= 1 |
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| 147 | qns_tl (:,:) = 0.0_wp |
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| 148 | qsr_tl (:,:) = 0.0_wp |
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| 149 | emp_tl (:,:) = 0.0_wp |
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| 150 | emps_tl (:,:) = 0.0_wp |
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| 151 | ! |
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| 152 | ENDIF |
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| 153 | ! |
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| 154 | END SUBROUTINE sbc_ana_tan |
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| 155 | |
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| 156 | SUBROUTINE sbc_ana_adj( kt ) |
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| 157 | !!--------------------------------------------------------------------- |
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| 158 | !! *** ROUTINE sbc_ana *** |
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| 159 | !! |
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| 160 | !! ** Purpose : provide at each time-step the ocean surface boundary |
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| 161 | !! condition, i.e. the momentum, heat and freshwater fluxes. |
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| 162 | !! |
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| 163 | !! ** Method : Constant and uniform surface forcing specified from |
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| 164 | !! namsbc_ana namelist parameters. All the fluxes are time inde- |
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| 165 | !! pendant except the stresses which increase from zero during |
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| 166 | !! the first nn_tau000 time-step |
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| 167 | !! * C A U T I O N : never mask the surface stress field ! |
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| 168 | !! |
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| 169 | !! ** Action : - set the ocean surface boundary condition, i.e. |
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| 170 | !! utau, vtau, qns, qsr, emp, emps |
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| 171 | !!---------------------------------------------------------------------- |
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| 172 | INTEGER, INTENT(in) :: kt ! ocean time step |
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| 173 | !! |
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| 174 | NAMELIST/namsbc_ana/ nn_tau000, rn_utau0, rn_vtau0, rn_qns0, rn_qsr0, rn_emp0 |
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| 175 | !!--------------------------------------------------------------------- |
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| 176 | ! |
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| 177 | IF( kt == nitend ) THEN |
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| 178 | ! |
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| 179 | IF(lwp) WRITE(numout,*)' ' |
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| 180 | IF(lwp) WRITE(numout,*)' sbc_ana_adj : Constant surface fluxes read in namsbc_ana namelist' |
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| 181 | IF(lwp) WRITE(numout,*)' ~~~~~~~ ' |
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| 182 | |
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| 183 | nn_tau000 = MAX( nn_tau000, 1 ) ! must be >= 1 |
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| 184 | qns_ad (:,:) = 0.0_wp |
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| 185 | qsr_ad (:,:) = 0.0_wp |
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| 186 | emp_ad (:,:) = 0.0_wp |
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| 187 | emps_ad (:,:) = 0.0_wp |
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| 188 | ! |
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| 189 | ENDIF |
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| 190 | ! |
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| 191 | END SUBROUTINE sbc_ana_adj |
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| 192 | |
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| 193 | |
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| 194 | SUBROUTINE sbc_gyre_tan( kt ) |
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| 195 | !!--------------------------------------------------------------------- |
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| 196 | !! *** ROUTINE sbc_gyre_tam *** |
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| 197 | !! |
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| 198 | !! ** Purpose : provide at each time-step the ocean surface boundary |
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| 199 | !! condition, i.e. the momentum, heat and freshwater fluxes. |
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| 200 | !! |
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| 201 | !! ** Method : analytical seasonal cycle for GYRE configuration. |
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| 202 | !! * C A U T I O N : never mask the surface stress field ! |
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| 203 | !! |
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| 204 | !! ** Action : - set the ocean surface boundary condition, i.e. |
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| 205 | !! utau, vtau, qns, qsr, emp, emps |
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| 206 | !! |
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| 207 | !! Reference : Hazeleger, W., and S. Drijfhout, JPO, 30, 677-695, 2000. |
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| 208 | !!---------------------------------------------------------------------- |
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| 209 | INTEGER, INTENT(in) :: kt ! ocean time step |
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| 210 | |
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| 211 | INTEGER :: ji, jj ! dummy loop indices |
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| 212 | REAL(wp) :: ztstar |
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| 213 | REAL(wp) :: ztrp |
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| 214 | REAL(wp) :: zsumemp_tl, zsurf |
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| 215 | !!--------------------------------------------------------------------- |
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| 216 | |
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| 217 | ! ---------------------------- ! |
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| 218 | ! heat and freshwater fluxes ! |
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| 219 | ! ---------------------------- ! |
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| 220 | !same temperature, E-P as in HAZELEGER 2000 |
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| 221 | |
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| 222 | ztrp= - 40.e0 ! retroaction term on heat fluxes (W/m2/K) |
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| 223 | DO jj = 1, jpj |
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| 224 | DO ji = 1, jpi |
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| 225 | ! domain from 15 deg to 50 deg between 27 and 28 degC at 15N, -3 |
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| 226 | ! and 13 degC at 50N 53.5 + or - 11 = 1/4 period : |
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| 227 | ! 64.5 in summer, 42.5 in winter |
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| 228 | ! 23.5 deg : tropics |
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| 229 | qsr_tl (ji,jj) = 0.0_wp |
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| 230 | qns_tl (ji,jj) = ztrp * tb_tl(ji,jj,1) |
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| 231 | emp_tl (ji,jj) = 0.0_wp |
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| 232 | END DO |
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| 233 | END DO |
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| 234 | emps_tl(:,:) = emp_tl(:,:) |
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| 235 | |
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| 236 | ! Compute the emp flux such as its integration on the whole domain at each time is zero |
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| 237 | IF( nbench /= 1 .AND. nbit_cmp /= 1 ) THEN |
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| 238 | zsumemp_tl = 0.e0 ; zsurf = 0.e0 |
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| 239 | DO jj = 1, jpj |
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| 240 | DO ji = 1, jpi |
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| 241 | zsumemp_tl = zsumemp_tl + emp_tl(ji,jj) * tmask(ji,jj,1) * tmask_i(ji,jj) |
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| 242 | zsurf = zsurf + tmask(ji,jj,1) * tmask_i(ji,jj) |
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| 243 | END DO |
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| 244 | END DO |
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| 245 | |
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| 246 | IF( lk_mpp ) CALL mpp_sum( zsumemp_tl ) ! sum over the global domain |
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| 247 | IF( lk_mpp ) CALL mpp_sum( zsurf ) ! sum over the global domain |
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| 248 | |
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| 249 | ! Default GYRE configuration |
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| 250 | zsumemp_tl = zsumemp_tl / zsurf |
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| 251 | ELSE |
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| 252 | ! Benchmark GYRE configuration (to allow the bit to bit comparison between Mpp/Mono case) |
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| 253 | zsumemp_tl = 0.e0 ; zsurf = 0.e0 |
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| 254 | ENDIF |
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| 255 | |
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| 256 | !salinity terms |
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| 257 | emp_tl (:,:) = emp_tl(:,:) - zsumemp_tl * tmask(:,:,1) |
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| 258 | emps_tl(:,:) = emp_tl(:,:) |
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| 259 | |
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| 260 | END SUBROUTINE sbc_gyre_tan |
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| 261 | |
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| 262 | SUBROUTINE sbc_gyre_adj( kt ) |
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| 263 | !!--------------------------------------------------------------------- |
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| 264 | !! *** ROUTINE sbc_gyre_adj *** |
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| 265 | !! |
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| 266 | !! ** Purpose : provide at each time-step the ocean surface boundary |
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| 267 | !! condition, i.e. the momentum, heat and freshwater fluxes. |
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| 268 | !! |
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| 269 | !! ** Method : analytical seasonal cycle for GYRE configuration. |
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| 270 | !! * C A U T I O N : never mask the surface stress field ! |
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| 271 | !! |
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| 272 | !! ** Action : - set the ocean surface boundary condition, i.e. |
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| 273 | !! utau, vtau, qns, qsr, emp, emps |
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| 274 | !! |
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| 275 | !! Reference : Hazeleger, W., and S. Drijfhout, JPO, 30, 677-695, 2000. |
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| 276 | !!---------------------------------------------------------------------- |
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| 277 | INTEGER, INTENT(in) :: kt ! ocean time step |
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| 278 | |
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| 279 | INTEGER :: ji, jj ! dummy loop indices |
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| 280 | REAL(wp) :: ztstar |
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| 281 | REAL(wp) :: ztrp |
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| 282 | REAL(wp) :: zsumemp_ad, zsurf |
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| 283 | !!--------------------------------------------------------------------- |
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| 284 | |
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| 285 | zsumemp_ad = 0.0_wp |
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| 286 | zsurf = 0.0_wp |
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| 287 | DO jj = 1, jpj |
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| 288 | DO ji = 1, jpi |
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| 289 | emp_ad (ji,jj) = emp_ad(ji,jj) + emps_ad(ji,jj) |
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| 290 | emps_ad(ji,jj) = 0.0_wp |
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| 291 | END DO |
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| 292 | END DO |
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| 293 | DO jj = 1, jpj |
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| 294 | DO ji = 1, jpi |
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| 295 | zsumemp_ad = zsumemp_ad - emp_ad (ji,jj) * tmask(ji,jj,1) |
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| 296 | END DO |
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| 297 | END DO |
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| 298 | |
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| 299 | ! Compute the emp flux such as its integration on the whole domain at each time is zero |
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| 300 | IF( nbench /= 1 .AND. nbit_cmp /= 1 ) THEN |
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| 301 | |
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| 302 | DO jj = 1, jpj |
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| 303 | DO ji = 1, jpi |
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| 304 | zsurf = zsurf + tmask(ji,jj,1) * tmask_i(ji,jj) |
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| 305 | END DO |
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| 306 | END DO |
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| 307 | ! Default GYRE configuration |
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| 308 | zsumemp_ad = zsumemp_ad / zsurf |
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| 309 | |
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| 310 | IF( lk_mpp ) CALL mpp_sum( zsurf ) ! sum over the global domain |
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| 311 | IF( lk_mpp ) CALL mpp_sum( zsumemp_ad ) ! sum over the global domain |
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| 312 | |
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| 313 | DO jj = 1, jpj |
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| 314 | DO ji = 1, jpi |
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| 315 | emp_ad(ji,jj) = emp_ad(ji,jj) + zsumemp_ad * tmask(ji,jj,1) * tmask_i(ji,jj) |
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| 316 | END DO |
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| 317 | END DO |
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| 318 | zsumemp_ad = 0.0_wp ; zsurf = 0.0_wp |
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| 319 | ELSE |
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| 320 | ! Benchmark GYRE configuration (to allow the bit to bit comparison between Mpp/Mono case) |
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| 321 | zsumemp_ad = 0.0_wp ; zsurf = 0.0_wp |
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| 322 | ENDIF |
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| 323 | |
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| 324 | DO jj = 1, jpj |
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| 325 | DO ji = 1, jpi |
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| 326 | emp_ad (ji,jj) = emp_ad(ji,jj) + emps_ad(ji,jj) |
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| 327 | emps_ad(ji,jj) = 0.0_wp |
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| 328 | END DO |
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| 329 | END DO |
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| 330 | |
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| 331 | ! ---------------------------- ! |
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| 332 | ! heat and freshwater fluxes ! |
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| 333 | ! ---------------------------- ! |
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| 334 | !same temperature, E-P as in HAZELEGER 2000 |
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| 335 | |
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| 336 | ztrp= - 40.e0 ! retroaction term on heat fluxes (W/m2/K) |
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| 337 | DO jj = 1, jpj |
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| 338 | DO ji = 1, jpi |
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| 339 | ! domain from 15 deg to 50 deg between 27 and 28 degC at 15N, -3 |
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| 340 | ! and 13 degC at 50N 53.5 + or - 11 = 1/4 period : |
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| 341 | ! 64.5 in summer, 42.5 in winter |
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| 342 | ! 23.5 deg : tropics |
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| 343 | emp_ad (ji,jj) = 0.0_wp |
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| 344 | tb_ad (ji,jj,1) = tb_ad(ji,jj,1) + ztrp * qns_ad (ji,jj) |
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| 345 | qns_ad (ji,jj) = 0.0_wp |
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| 346 | qsr_ad (ji,jj) = 0.0_wp |
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| 347 | END DO |
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| 348 | END DO |
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| 349 | |
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| 350 | END SUBROUTINE sbc_gyre_adj |
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| 351 | |
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| 352 | SUBROUTINE sbc_gyre_adj_tst ( kumadt ) |
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| 353 | !!----------------------------------------------------------------------- |
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| 354 | !! |
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| 355 | !! *** ROUTINE example_adj_tst *** |
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| 356 | !! |
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| 357 | !! ** Purpose : Test the adjoint routine. |
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| 358 | !! |
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| 359 | !! ** Method : Verify the scalar product |
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| 360 | !! |
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| 361 | !! ( L dx )^T W dy = dx^T L^T W dy |
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| 362 | !! |
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| 363 | !! where L = tangent routine |
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| 364 | !! L^T = adjoint routine |
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| 365 | !! W = diagonal matrix of scale factors |
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| 366 | !! dx = input perturbation (random field) |
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| 367 | !! dy = L dx |
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| 368 | !! |
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| 369 | !! History : |
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| 370 | !! ! 09-10 (F. Vigilant) |
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| 371 | !!----------------------------------------------------------------------- |
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| 372 | !! * Modules used |
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| 373 | |
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| 374 | !! * Arguments |
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| 375 | INTEGER, INTENT(IN) :: & |
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| 376 | & kumadt ! Output unit |
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| 377 | |
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| 378 | !! * Local declarations |
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| 379 | INTEGER :: & |
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| 380 | & istp, & |
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| 381 | & jstp, & |
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| 382 | & ji, & ! dummy loop indices |
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| 383 | & jj, & |
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| 384 | & jk |
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| 385 | INTEGER, DIMENSION(jpi,jpj) :: & |
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| 386 | & iseed_2d ! 2D seed for the random number generator |
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| 387 | REAL(KIND=wp) :: & |
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| 388 | & zsp1, & ! scalar product involving the tangent routine |
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| 389 | & zsp2 ! scalar product involving the adjoint routine |
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| 390 | REAL(KIND=wp), DIMENSION(:,:), ALLOCATABLE :: & |
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| 391 | & zemp_tlin , & ! Tangent input |
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| 392 | & zemp_tlout, & ! Tangent output |
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| 393 | & zemps_tlout, & ! Tangent output |
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| 394 | & zqns_tlout, & ! Tangent output |
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| 395 | & zemp_adin , & ! Adjoint input |
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| 396 | & zemps_adin, & ! Adjoint input |
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| 397 | & zqns_adin , & ! Adjoint input |
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| 398 | & zemp_adout, & ! Adjoint output |
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| 399 | & zr ! 2D random field |
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| 400 | REAL(KIND=wp), DIMENSION(:,:,:), ALLOCATABLE :: & |
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| 401 | & ztb_tlin , & ! Tangent input |
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| 402 | & ztb_adout , & ! Adjoint output |
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| 403 | & z3r ! 3D random field |
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| 404 | CHARACTER(LEN=14) :: cl_name |
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| 405 | ! Allocate memory |
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| 406 | |
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| 407 | ALLOCATE( & |
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| 408 | & zemp_tlin( jpi,jpj), & |
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| 409 | & ztb_tlin(jpi,jpj,jpk), & |
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| 410 | & zemp_tlout( jpi,jpj), & |
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| 411 | & zemps_tlout( jpi,jpj), & |
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| 412 | & zqns_tlout( jpi,jpj), & |
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| 413 | & ztb_adout(jpi,jpj,jpk), & |
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| 414 | & zemp_adin( jpi,jpj), & |
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| 415 | & zemps_adin( jpi,jpj), & |
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| 416 | & zqns_adin( jpi,jpj), & |
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| 417 | & zemp_adout( jpi,jpj), & |
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| 418 | & zr( jpi,jpj), & |
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| 419 | & z3r( jpi,jpj,jpk) & |
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| 420 | & ) |
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| 421 | !================================================================== |
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| 422 | ! 1) dx = ( emp_tl, emps_tl, ssh_tl ) and |
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| 423 | ! dy = ( emp_tl, emps_tl ) |
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| 424 | !================================================================== |
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| 425 | ! Test for time steps nit000 and nit000 + 1 (the matrix changes) |
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| 426 | |
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| 427 | DO jstp = nit000, nit000 + 1 |
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| 428 | |
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| 429 | !-------------------------------------------------------------------- |
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| 430 | ! Reset the tangent and adjoint variables |
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| 431 | !-------------------------------------------------------------------- |
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| 432 | zemp_tlin (:,:) = 0.0_wp |
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| 433 | ztb_tlin (:,:,:) = 0.0_wp |
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| 434 | zemp_tlout (:,:) = 0.0_wp |
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| 435 | zemps_tlout(:,:) = 0.0_wp |
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| 436 | zqns_tlout (:,:) = 0.0_wp |
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| 437 | zemp_adin (:,:) = 0.0_wp |
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| 438 | zemps_adin (:,:) = 0.0_wp |
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| 439 | zqns_adin (:,:) = 0.0_wp |
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| 440 | zemp_adout (:,:) = 0.0_wp |
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| 441 | ztb_adout(:,:,:) = 0.0_wp |
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| 442 | z3r(:,:,:) = 0.0_wp |
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| 443 | zr(:,:) = 0.0_wp |
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| 444 | |
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| 445 | qns_tl (:,:) = 0.0_wp |
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| 446 | qsr_tl (:,:) = 0.0_wp |
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| 447 | emps_tl(:,:) = 0.0_wp |
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| 448 | qsr_ad (:,:) = 0.0_wp |
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| 449 | tb_ad(:,:,:) = 0.0_wp |
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| 450 | |
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| 451 | !-------------------------------------------------------------------- |
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| 452 | ! Initialize the tangent input with random noise: dx |
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| 453 | !-------------------------------------------------------------------- |
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| 454 | |
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| 455 | DO jj = 1, jpj |
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| 456 | DO ji = 1, jpi |
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| 457 | iseed_2d(ji,jj) = - ( 596035 + & |
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| 458 | & mig(ji) + ( mjg(jj) - 1 ) * jpiglo ) |
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| 459 | END DO |
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| 460 | END DO |
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| 461 | CALL grid_random( iseed_2d, zr, 'T', 0.0_wp, stdemp ) |
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| 462 | DO jj = nldj, nlej |
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| 463 | DO ji = nldi, nlei |
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| 464 | zemp_tlin(ji,jj) = zr(ji,jj) |
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| 465 | END DO |
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| 466 | END DO |
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| 467 | DO jj = 1, jpj |
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| 468 | DO ji = 1, jpi |
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| 469 | iseed_2d(ji,jj) = - ( 446251 + & |
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| 470 | & mig(ji) + ( mjg(jj) - 1 ) * jpiglo ) |
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| 471 | END DO |
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| 472 | END DO |
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| 473 | CALL grid_random( iseed_2d, z3r, 'T', 0.0_wp, stdt ) |
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| 474 | DO jk = 1, jpk |
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| 475 | DO jj = nldj, nlej |
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| 476 | DO ji = nldi, nlei |
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| 477 | ztb_tlin(ji,jj,jk) = z3r(ji,jj,jk) |
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| 478 | END DO |
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| 479 | END DO |
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| 480 | END DO |
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| 481 | |
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| 482 | tb_tl(:,:,:) = ztb_tlin(:,:,:) |
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| 483 | emp_tl (:,:) = zemp_tlin (:,:) |
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| 484 | |
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| 485 | CALL sbc_gyre_tan( istp ) |
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| 486 | |
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| 487 | zemps_tlout(:,:) = emps_tl(:,:) |
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| 488 | zemp_tlout (:,:) = emp_tl (:,:) |
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| 489 | zqns_tlout(:,:) = qns_tl(:,:) |
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| 490 | |
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| 491 | !----------------------------------------------------------------- |
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| 492 | ! Initialize the adjoint variables: dy^* = W dy |
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| 493 | !----------------------------------------------------------------- |
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| 494 | |
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| 495 | DO jj = nldj, nlej |
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| 496 | DO ji = nldi, nlei |
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| 497 | zemp_adin( ji,jj) = zemp_tlout( ji,jj) & |
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| 498 | & * e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,1) & |
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| 499 | & * tmask(ji,jj,1) |
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| 500 | zemps_adin(ji,jj) = zemps_tlout(ji,jj) & |
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| 501 | & * e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,1) & |
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| 502 | & * tmask(ji,jj,1) |
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| 503 | zqns_adin(ji,jj) = zqns_tlout(ji,jj) & |
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| 504 | & * e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,1) & |
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| 505 | & * tmask(ji,jj,1) |
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| 506 | END DO |
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| 507 | END DO |
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| 508 | |
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| 509 | !----------------------------------------------------------------- |
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| 510 | ! Compute the scalar product: ( L dx )^T W dy |
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| 511 | !----------------------------------------------------------------- |
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| 512 | |
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| 513 | zsp1 = DOT_PRODUCT( zemp_tlout, zemp_adin ) & |
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| 514 | & + DOT_PRODUCT( zemps_tlout, zemps_adin ) & |
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| 515 | & + DOT_PRODUCT( zqns_tlout, zqns_adin ) |
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| 516 | |
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| 517 | !----------------------------------------------------------------- |
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| 518 | ! Call the adjoint routine: dx^* = L^T dy^* |
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| 519 | !----------------------------------------------------------------- |
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| 520 | |
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| 521 | emp_ad (:,:) = zemp_adin (:,:) |
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| 522 | emps_ad(:,:) = zemps_adin(:,:) |
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| 523 | qns_ad( :,:) = zqns_adin( :,:) |
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| 524 | |
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| 525 | CALL sbc_gyre_adj ( istp ) |
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| 526 | |
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| 527 | ztb_adout(:,:,:) = tb_ad(:,:,:) |
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| 528 | zemp_adout (:,:) = emp_ad (:,:) |
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| 529 | |
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| 530 | zsp2 = DOT_PRODUCT( zemp_tlin, zemp_adout ) & |
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| 531 | & + DOT_PRODUCT( ztb_tlin, ztb_adout ) |
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| 532 | |
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| 533 | ! 14 char:'12345678901234' |
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| 534 | IF ( jstp == nit000 ) THEN |
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| 535 | WRITE (cl_name,"(A14)") 'sbc_gyre_adj 1' |
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| 536 | ELSEIF ( jstp == nit000 + 1 ) THEN |
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| 537 | WRITE (cl_name,"(A14)") 'sbc_gyre_adj 2' |
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| 538 | END IF |
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| 539 | ! WRITE (cl_name,"(A11,2x,i1)") 'sbc_fwb_adj',jn_fwb |
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| 540 | CALL prntst_adj( cl_name, kumadt, zsp1, zsp2 ) |
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| 541 | |
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| 542 | END DO |
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| 543 | |
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| 544 | DEALLOCATE( & |
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| 545 | & zemp_tlin, & |
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| 546 | & ztb_tlin, & |
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| 547 | & zemp_tlout, & |
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| 548 | & zemps_tlout, & |
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| 549 | & zqns_tlout, & |
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| 550 | & zemp_adin, & |
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| 551 | & zemps_adin, & |
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| 552 | & zqns_adin, & |
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| 553 | & zemp_adout, & |
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| 554 | & ztb_adout, & |
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| 555 | & z3r, & |
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| 556 | & zr & |
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| 557 | & ) |
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| 558 | |
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| 559 | END SUBROUTINE sbc_gyre_adj_tst |
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| 560 | #endif |
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| 561 | !!====================================================================== |
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| 562 | END MODULE sbcana_tam |
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