| 1 | MODULE cla |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE cla *** |
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| 4 | !! Cross Land Advection : specific update of the horizontal divergence, |
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| 5 | !! tracer trends and after velocity |
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| 6 | !! |
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| 7 | !! --- Specific to ORCA_R2 --- |
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| 8 | !! |
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| 9 | !!====================================================================== |
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| 10 | !! History : 1.0 ! 2002-11 (A. Bozec) Original code |
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| 11 | !! 3.2 ! 2009-07 (G. Madec) merge cla, cla_div, tra_cla, cla_dynspg |
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| 12 | !! ! and correct a mpp bug reported by A.R. Porter |
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| 13 | !!---------------------------------------------------------------------- |
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| 14 | !! cla_div : update of horizontal divergence at cla straits |
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| 15 | !! tra_cla : update of tracers at cla straits |
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| 16 | !! cla_dynspg : update of after horizontal velocities at cla straits |
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| 17 | !! cla_init : initialisation - control check |
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| 18 | !! cla_bab_el_mandeb : cross land advection for Bab-el-mandeb strait |
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| 19 | !! cla_gibraltar : cross land advection for Gibraltar strait |
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| 20 | !! cla_hormuz : cross land advection for Hormuz strait |
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| 21 | !!---------------------------------------------------------------------- |
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| 22 | USE oce ! ocean dynamics and tracers |
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| 23 | USE dom_oce ! ocean space and time domain |
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| 24 | USE sbc_oce ! surface boundary condition: ocean |
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| 25 | USE dynspg_oce ! ocean dynamics: surface pressure gradient variables |
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| 26 | USE in_out_manager ! I/O manager |
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| 27 | USE lib_mpp ! distributed memory computing library |
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| 28 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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| 29 | USE lib_mpp ! MPP library |
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| 30 | |
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| 31 | IMPLICIT NONE |
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| 32 | PRIVATE |
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| 33 | |
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| 34 | PUBLIC cla_init ! routine called by opa.F90 |
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| 35 | PUBLIC cla_div ! routine called by divcur.F90 |
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| 36 | PUBLIC cla_traadv ! routine called by traadv.F90 |
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| 37 | PUBLIC cla_dynspg ! routine called by dynspg_flt.F90 |
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| 38 | |
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| 39 | INTEGER :: nbab, ngib, nhor ! presence or not of required grid-point on local domain |
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| 40 | ! ! for Bab-el-Mandeb, Gibraltar, and Hormuz straits |
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| 41 | |
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| 42 | ! ! fixed part ! time evolving !!! profile of hdiv for some straits |
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| 43 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION (:) :: hdiv_139_101, hdiv_139_101_kt ! Gibraltar (i,j)=(172,101) |
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| 44 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION (:) :: hdiv_139_102 ! Gibraltar (i,j)=(139,102) |
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| 45 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION (:) :: hdiv_141_102, hdiv_141_102_kt ! Gibraltar (i,j)=(141,102) |
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| 46 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION (:) :: hdiv_161_88 , hdiv_161_88_kt ! Bab-el-Mandeb (i,j)=(161,88) |
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| 47 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION (:) :: hdiv_161_87 ! Bab-el-Mandeb (i,j)=(161,87) |
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| 48 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION (:) :: hdiv_160_89 , hdiv_160_89_kt ! Bab-el-Mandeb (i,j)=(160,89) |
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| 49 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION (:) :: hdiv_172_94 ! Hormuz (i,j)=(172, 94) |
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| 50 | |
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| 51 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION (:) :: t_171_94_hor, s_171_94_hor ! Temperature, salinity in Hormuz strait |
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| 52 | |
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| 53 | !! * Substitutions |
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| 54 | # include "domzgr_substitute.h90" |
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| 55 | !!---------------------------------------------------------------------- |
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| 56 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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| 57 | !! $Id$ |
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| 58 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 59 | !!---------------------------------------------------------------------- |
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| 60 | CONTAINS |
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| 61 | |
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| 62 | SUBROUTINE cla_div( kt ) |
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| 63 | !!---------------------------------------------------------------------- |
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| 64 | !! *** ROUTINE div_cla *** |
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| 65 | !! |
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| 66 | !! ** Purpose : update the horizontal divergence of the velocity field |
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| 67 | !! at some straits ( Gibraltar, Bab el Mandeb and Hormuz ). |
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| 68 | !! |
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| 69 | !! ** Method : - first time-step: initialisation of cla |
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| 70 | !! - all time-step: using imposed transport at each strait, |
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| 71 | !! the now horizontal divergence is updated |
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| 72 | !! |
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| 73 | !! ** Action : phdivn updted now horizontal divergence at cla straits |
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| 74 | !!---------------------------------------------------------------------- |
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| 75 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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| 76 | !!---------------------------------------------------------------------- |
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| 77 | ! |
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| 78 | IF( kt == nit000 ) THEN |
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| 79 | ! |
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| 80 | CALL cla_init ! control check |
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| 81 | ! |
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| 82 | IF(lwp) WRITE(numout,*) |
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| 83 | IF(lwp) WRITE(numout,*) 'div_cla : cross land advection on hdiv ' |
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| 84 | IF(lwp) WRITE(numout,*) '~~~~~~~~' |
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| 85 | ! |
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| 86 | IF( nbab == 1 ) CALL cla_bab_el_mandeb('ini') ! Bab el Mandeb ( Red Sea - Indian ocean ) |
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| 87 | IF( ngib == 1 ) CALL cla_gibraltar ('ini') ! Gibraltar strait (Med Sea - Atlantic ocean) |
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| 88 | IF( nhor == 1 ) CALL cla_hormuz ('ini') ! Hormuz Strait ( Persian Gulf - Indian ocean ) |
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| 89 | ! |
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| 90 | ENDIF |
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| 91 | ! |
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| 92 | IF( nbab == 1 ) CALL cla_bab_el_mandeb('div') ! Bab el Mandeb ( Red Sea - Indian ocean ) |
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| 93 | IF( ngib == 1 ) CALL cla_gibraltar ('div') ! Gibraltar strait (Med Sea - Atlantic ocean) |
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| 94 | IF( nhor == 1 ) CALL cla_hormuz ('div') ! Hormuz Strait ( Persian Gulf - Indian ocean ) |
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| 95 | ! |
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| 96 | !!gm lbc useless here, no? |
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| 97 | !!gm CALL lbc_lnk( hdivn, 'T', 1. ) ! Lateral boundary conditions on hdivn |
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| 98 | ! |
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| 99 | END SUBROUTINE cla_div |
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| 100 | |
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| 101 | |
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| 102 | SUBROUTINE cla_traadv( kt ) |
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| 103 | !!---------------------------------------------------------------------- |
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| 104 | !! *** ROUTINE tra_cla *** |
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| 105 | !! |
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| 106 | !! ** Purpose : Update the now trend due to the advection of tracers |
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| 107 | !! and add it to the general trend of passive tracer equations |
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| 108 | !! at some straits ( Bab el Mandeb, Gibraltar, Hormuz ). |
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| 109 | !! |
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| 110 | !! ** Method : using both imposed transport at each strait and T & S |
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| 111 | !! budget, the now tracer trends is updated |
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| 112 | !! |
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| 113 | !! ** Action : (ta,sa) updated now tracer trends at cla straits |
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| 114 | !!---------------------------------------------------------------------- |
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| 115 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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| 116 | !!---------------------------------------------------------------------- |
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| 117 | ! |
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| 118 | IF( kt == nit000 ) THEN |
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| 119 | IF(lwp) WRITE(numout,*) |
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| 120 | IF(lwp) WRITE(numout,*) 'tra_cla : cross land advection on tracers ' |
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| 121 | IF(lwp) WRITE(numout,*) '~~~~~~~~' |
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| 122 | ENDIF |
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| 123 | ! |
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| 124 | IF( nbab == 1 ) CALL cla_bab_el_mandeb('tra') ! Bab el Mandeb strait |
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| 125 | IF( ngib == 1 ) CALL cla_gibraltar ('tra') ! Gibraltar strait |
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| 126 | IF( nhor == 1 ) CALL cla_hormuz ('tra') ! Hormuz Strait ( Persian Gulf) |
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| 127 | ! |
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| 128 | END SUBROUTINE cla_traadv |
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| 129 | |
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| 130 | |
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| 131 | SUBROUTINE cla_dynspg( kt ) |
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| 132 | !!---------------------------------------------------------------------- |
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| 133 | !! *** ROUTINE cla_dynspg *** |
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| 134 | !! |
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| 135 | !! ** Purpose : Update the after velocity at some straits |
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| 136 | !! (Bab el Mandeb, Gibraltar, Hormuz). |
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| 137 | !! |
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| 138 | !! ** Method : required to compute the filtered surface pressure gradient |
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| 139 | !! |
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| 140 | !! ** Action : (ua,va) after velocity at the cla straits |
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| 141 | !!---------------------------------------------------------------------- |
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| 142 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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| 143 | !!---------------------------------------------------------------------- |
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| 144 | ! |
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| 145 | IF( kt == nit000 ) THEN |
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| 146 | IF(lwp) WRITE(numout,*) |
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| 147 | IF(lwp) WRITE(numout,*) 'cla_dynspg : cross land advection on (ua,va) ' |
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| 148 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~' |
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| 149 | ENDIF |
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| 150 | ! |
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| 151 | IF( nbab == 1 ) CALL cla_bab_el_mandeb('spg') ! Bab el Mandeb strait |
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| 152 | IF( ngib == 1 ) CALL cla_gibraltar ('spg') ! Gibraltar strait |
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| 153 | IF( nhor == 1 ) CALL cla_hormuz ('spg') ! Hormuz Strait ( Persian Gulf) |
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| 154 | ! |
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| 155 | !!gm lbc is needed here, not? |
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| 156 | !!gm CALL lbc_lnk( hdivn, 'U', -1. ) ; CALL lbc_lnk( hdivn, 'V', -1. ) ! Lateral boundary conditions |
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| 157 | ! |
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| 158 | END SUBROUTINE cla_dynspg |
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| 159 | |
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| 160 | |
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| 161 | SUBROUTINE cla_init |
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| 162 | !! ------------------------------------------------------------------- |
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| 163 | !! *** ROUTINE cla_init *** |
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| 164 | !! |
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| 165 | !! ** Purpose : control check for mpp computation |
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| 166 | !! |
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| 167 | !! ** Method : - All the strait grid-points must be inside one of the |
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| 168 | !! local domain interior for the cla advection to work |
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| 169 | !! properly in mpp (i.e. inside (2:jpim1,2:jpjm1) ). |
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| 170 | !! Define the corresponding indicators (nbab, ngib, nhor) |
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| 171 | !! - The profiles of cross-land fluxes are currently hard |
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| 172 | !! coded for L31 levels. Stop if jpk/=31 |
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| 173 | !! |
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| 174 | !! ** Action : nbab, ngib, nhor strait inside the local domain or not |
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| 175 | !!--------------------------------------------------------------------- |
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| 176 | REAL(wp) :: ztemp ! local scalar |
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| 177 | INTEGER :: ierr ! local integer |
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| 178 | !!--------------------------------------------------------------------- |
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| 179 | ! |
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| 180 | IF(lwp) WRITE(numout,*) |
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| 181 | IF(lwp) WRITE(numout,*) 'cla_init : cross land advection initialisation ' |
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| 182 | IF(lwp) WRITE(numout,*) '~~~~~~~~~' |
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| 183 | ! |
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| 184 | ! Cross land advection hard coded only for ORCA_R2 with 31 levels linear filtred free surface |
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| 185 | ! |
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| 186 | IF( cp_cfg /= 'orca' ) CALL ctl_stop( 'cla_init: Cross Land Advection hard coded for ORCA_R2_L31' ) |
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| 187 | IF( jp_cfg /= 2 ) CALL ctl_stop( 'cla_init: Cross Land Advection hard coded for ORCA_R2_L31' ) |
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| 188 | IF( .NOT.lk_dynspg_flt ) CALL ctl_stop( 'cla_init: Cross Land Advection works only with lk_dynspg_flt=T ' ) |
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| 189 | IF( lk_vvl ) CALL ctl_stop( 'cla_init: Cross Land Advection does not work with lk_vvl=T option' ) |
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| 190 | IF( jpk /= 31 ) CALL ctl_stop( 'cla_init: Cross Land Advection hard coded for ORCA_R2_L31' ) |
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| 191 | ! |
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| 192 | ! ! Allocate arrays for this module |
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| 193 | ALLOCATE( hdiv_139_101(jpk) , hdiv_139_101_kt(jpk) , & ! Gibraltar |
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| 194 | & hdiv_139_102(jpk) , & |
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| 195 | & hdiv_141_102(jpk) , hdiv_141_102_kt(jpk) , & |
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| 196 | & hdiv_161_88 (jpk) , hdiv_161_88_kt (jpk) , & ! Bab-el-Mandeb |
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| 197 | & hdiv_161_87 (jpk) , & |
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| 198 | & hdiv_160_89 (jpk) , hdiv_160_89_kt (jpk) , & ! Hormuz |
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| 199 | & hdiv_172_94 (jpk) , & |
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| 200 | & t_171_94_hor(jpk) , s_171_94_hor (jpk) , STAT=ierr ) |
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| 201 | IF( lk_mpp ) CALL mpp_sum( ierr ) |
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| 202 | IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'cla_init: unable to allocate arrays' ) |
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| 203 | ! |
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| 204 | ! _|_______|_______|_ |
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| 205 | ! 89 | |///////| |
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| 206 | ! _|_______|_______|_ |
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| 207 | ! ------------------------ ! 88 |///////| | |
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| 208 | ! Bab el Mandeb strait ! _|_______|_______|_ |
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| 209 | ! ------------------------ ! 87 |///////| | |
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| 210 | ! _|_______|_______|_ |
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| 211 | ! | 160 | 161 | |
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| 212 | ! |
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| 213 | ! The 6 Bab el Mandeb grid-points must be inside one of the interior of the |
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| 214 | ! local domain for the cla advection to work properly (i.e. (2:jpim1,2:jpjm1) |
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| 215 | nbab = 0 |
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| 216 | IF( ( 1 <= mj0( 88) .AND. mj1( 89) <= jpj ) .AND. & !* (161,89), (161,88) and (161,88) on the local pocessor |
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| 217 | & ( 1 <= mi0(160) .AND. mi1(161) <= jpi ) ) nbab = 1 |
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| 218 | ! |
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| 219 | ! test if there is no local domain that includes all required grid-points |
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| 220 | ztemp = REAL( nbab ) |
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| 221 | IF( lk_mpp ) CALL mpp_sum( ztemp ) ! sum with other processors value |
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| 222 | IF( ztemp == 0 ) THEN ! Only 2 points in each direction, this should never be a problem |
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| 223 | CALL ctl_stop( ' cross land advection at Bab-el_Mandeb does not work with your processor cutting: change it' ) |
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| 224 | ENDIF |
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| 225 | ! ___________________________ |
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| 226 | ! ------------------------ ! 102 | |///////| | |
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| 227 | ! Gibraltar strait ! _|_______|_______|_______|_ |
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| 228 | ! ------------------------ ! 101 | |///////| | |
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| 229 | ! _|_______|_______|_______|_ |
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| 230 | ! | 139 | 140 | 141 | |
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| 231 | ! |
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| 232 | ! The 6 Gibraltar grid-points must be inside one of the interior of the |
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| 233 | ! local domain for the cla advection to work properly (i.e. (2:jpim1,2:jpjm1) |
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| 234 | ngib = 0 |
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| 235 | IF( ( 2 <= mj0(101) .AND. mj1(102) <= jpjm1 ) .AND. & !* (139:141,101:102) on the local pocessor |
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| 236 | & ( 2 <= mi0(139) .AND. mi1(141) <= jpim1 ) ) ngib = 1 |
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| 237 | ! |
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| 238 | ! test if there is no local domain that includes all required grid-points |
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| 239 | ztemp = REAL( ngib ) |
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| 240 | IF( lk_mpp ) CALL mpp_sum( ztemp ) ! sum with other processors value |
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| 241 | IF( ztemp == 0 ) THEN ! 3 points in i-direction, this may be a problem with some cutting |
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| 242 | CALL ctl_stop( ' cross land advection at Gibraltar does not work with your processor cutting: change it' ) |
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| 243 | ENDIF |
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| 244 | ! _______________ |
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| 245 | ! ------------------------ ! 94 |/////| | |
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| 246 | ! Hormuz strait ! _|_____|_____|_ |
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| 247 | ! ------------------------ ! 171 172 |
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| 248 | ! |
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| 249 | ! The 2 Hormuz grid-points must be inside one of the interior of the |
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| 250 | ! local domain for the cla advection to work properly (i.e. (2:jpim1,2:jpjm1) |
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| 251 | nhor = 0 |
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| 252 | IF( 2 <= mj0( 94) .AND. mj1( 94) <= jpjm1 .AND. & |
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| 253 | & 2 <= mi0(171) .AND. mi1(172) <= jpim1 ) nhor = 1 |
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| 254 | ! |
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| 255 | ! test if there is no local domain that includes all required grid-points |
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| 256 | ztemp = REAL( nhor ) |
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| 257 | IF( lk_mpp ) CALL mpp_sum( ztemp ) ! sum with other processors value |
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| 258 | IF( ztemp == 0 ) THEN ! 3 points in i-direction, this may be a problem with some cutting |
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| 259 | CALL ctl_stop( ' cross land advection at Hormuz does not work with your processor cutting: change it' ) |
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| 260 | ENDIF |
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| 261 | ! |
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| 262 | END SUBROUTINE cla_init |
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| 263 | |
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| 264 | |
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| 265 | SUBROUTINE cla_bab_el_mandeb( cd_td ) |
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| 266 | !!---------------------------------------------------------------------- |
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| 267 | !! *** ROUTINE cla_bab_el_mandeb *** |
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| 268 | !! |
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| 269 | !! ** Purpose : update the now horizontal divergence, the tracer tendancy |
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| 270 | !! and the after velocity in vicinity of Bab el Mandeb ( Red Sea - Indian ocean). |
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| 271 | !! |
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| 272 | !! ** Method : compute the exchanges at each side of the strait : |
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| 273 | !! |
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| 274 | !! surf. zio_flow |
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| 275 | !! (+ balance of emp) /\ |\\\\\\\\\\\| |
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| 276 | !! || |\\\\\\\\\\\| |
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| 277 | !! deep zio_flow || |\\\\\\\\\\\| |
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| 278 | !! | || || |\\\\\\\\\\\| |
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| 279 | !! 89 | || || |\\\\\\\\\\\| |
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| 280 | !! |__\/_v_||__|____________ |
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| 281 | !! !\\\\\\\\\\\| surf. zio_flow |
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| 282 | !! |\\\\\\\\\\\|<=== (+ balance of emp) |
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| 283 | !! |\\\\\\\\\\\u |
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| 284 | !! 88 |\\\\\\\\\\\|<--- deep zrecirc (upper+deep at 2 different levels) |
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| 285 | !! |___________|__________ |
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| 286 | !! !\\\\\\\\\\\| |
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| 287 | !! |\\\\\\\\\\\| ---\ deep zrecirc (upper+deep) |
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| 288 | !! 87 !\\\\\\\\\\\u ===/ + deep zio_flow (all at the same level) |
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| 289 | !! !\\\\\\\\\\\| |
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| 290 | !! !___________|__________ |
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| 291 | !! 160 161 |
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| 292 | !! |
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| 293 | !!---------------------------------------------------------------------- |
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| 294 | CHARACTER(len=1), INTENT(in) :: cd_td ! ='div' update the divergence |
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| 295 | ! ! ='tra' update the tracers |
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| 296 | ! ! ='spg' update after velocity |
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| 297 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 298 | REAL(wp) :: zemp_red ! temporary scalar |
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| 299 | REAL(wp) :: zio_flow, zrecirc_upp, zrecirc_mid, zrecirc_bot |
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| 300 | !!--------------------------------------------------------------------- |
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| 301 | ! |
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| 302 | SELECT CASE( cd_td ) |
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| 303 | ! ! ---------------- ! |
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| 304 | CASE( 'ini' ) ! initialisation ! |
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| 305 | ! ! ---------------- ! |
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| 306 | ! |
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| 307 | zio_flow = 0.4e6 ! imposed in/out flow |
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| 308 | zrecirc_upp = 0.2e6 ! imposed upper recirculation water |
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| 309 | zrecirc_bot = 0.5e6 ! imposed bottom recirculation water |
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| 310 | |
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| 311 | hdiv_161_88(:) = 0.e0 ! (161,88) Gulf of Aden side, north point |
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| 312 | hdiv_161_87(:) = 0.e0 ! (161,87) Gulf of Aden side, south point |
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| 313 | hdiv_160_89(:) = 0.e0 ! (160,89) Red sea side |
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| 314 | |
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| 315 | DO jj = mj0(88), mj1(88) !** profile of hdiv at (161,88) (Gulf of Aden side, north point) |
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| 316 | DO ji = mi0(161), mi1(161) !------------------------------ |
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| 317 | DO jk = 1, 8 ! surface in/out flow (Ind -> Red) (div >0) |
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| 318 | hdiv_161_88(jk) = + zio_flow / ( 8. * e1e2t(ji,jj) * fse3t(ji,jj,jk) ) |
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| 319 | END DO |
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| 320 | ! ! recirculation water (Ind -> Red) (div >0) |
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| 321 | hdiv_161_88(20) = + zrecirc_upp / ( e1e2t(ji,jj) * fse3t(ji,jj,20) ) |
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| 322 | hdiv_161_88(21) = + ( zrecirc_bot - zrecirc_upp ) / ( e1e2t(ji,jj) * fse3t(ji,jj,21) ) |
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| 323 | END DO |
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| 324 | END DO |
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| 325 | ! |
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| 326 | DO jj = mj0(87), mj1(87) !** profile of hdiv at (161,88) (Gulf of Aden side, south point) |
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| 327 | DO ji = mi0(161), mi1(161) !------------------------------ |
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| 328 | ! ! deep out flow + recirculation (Red -> Ind) (div <0) |
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| 329 | hdiv_161_87(21) = - ( zio_flow + zrecirc_bot ) / ( e1e2t(ji,jj) * fse3t(ji,jj,21) ) |
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| 330 | END DO |
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| 331 | END DO |
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| 332 | ! |
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| 333 | DO jj = mj0(89), mj1(89) !** profile of hdiv at (161,88) (Red sea side) |
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| 334 | DO ji = mi0(160), mi1(160) !------------------------------ |
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| 335 | DO jk = 1, 8 ! surface inflow (Ind -> Red) (div <0) |
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| 336 | hdiv_160_89(jk) = - zio_flow / ( 8. * e1e2t(ji,jj) * fse3t(ji,jj,jk) ) |
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| 337 | END DO |
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| 338 | ! ! deep outflow (Red -> Ind) (div >0) |
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| 339 | hdiv_160_89(16) = + zio_flow / ( e1e2t(ji,jj) * fse3t(ji,jj,16) ) |
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| 340 | END DO |
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| 341 | END DO |
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| 342 | ! ! ---------------- ! |
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| 343 | CASE( 'div' ) ! update hdivn ! (call by divcur module) |
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| 344 | ! ! ---------=====-- ! |
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| 345 | ! !** emp on the Red Sea (div >0) |
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| 346 | zemp_red = 0.e0 !--------------------- |
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| 347 | DO jj = mj0(87), mj1(96) ! sum over the Red sea |
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| 348 | DO ji = mi0(148), mi1(160) |
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| 349 | zemp_red = zemp_red + emp(ji,jj) * e1e2t(ji,jj) * tmask_i(ji,jj) |
|---|
| 350 | END DO |
|---|
| 351 | END DO |
|---|
| 352 | IF( lk_mpp ) CALL mpp_sum( zemp_red ) ! sum with other processors value |
|---|
| 353 | zemp_red = zemp_red * 1.e-3 ! convert in m3 |
|---|
| 354 | ! |
|---|
| 355 | ! !** Correct hdivn (including emp adjustment) |
|---|
| 356 | ! !------------------------------------------- |
|---|
| 357 | DO jj = mj0(88), mj1(88) !* profile of hdiv at (161,88) (Gulf of Aden side, north point) |
|---|
| 358 | DO ji = mi0(161), mi1(161) |
|---|
| 359 | hdiv_161_88_kt(:) = hdiv_161_88(:) |
|---|
| 360 | DO jk = 1, 8 ! increase the inflow from the Indian (div >0) |
|---|
| 361 | hdiv_161_88_kt(jk) = hdiv_161_88(jk) + zemp_red / (8. * e2u(ji,jj) * fse3u(ji,jj,jk) ) |
|---|
| 362 | END DO |
|---|
| 363 | hdivn(ji,jj,:) = hdivn(ji,jj,:) + hdiv_161_88_kt(:) |
|---|
| 364 | END DO |
|---|
| 365 | END DO |
|---|
| 366 | DO jj = mj0(87), mj1(87) !* profile of divergence at (161,87) (Gulf of Aden side, south point) |
|---|
| 367 | DO ji = mi0(161), mi1(161) |
|---|
| 368 | hdivn(ji,jj,:) = hdivn(ji,jj,:) + hdiv_161_87(:) |
|---|
| 369 | END DO |
|---|
| 370 | END DO |
|---|
| 371 | DO jj = mj0(89), mj1(89) !* profile of divergence at (160,89) (Red sea side) |
|---|
| 372 | DO ji = mi0(160), mi1(160) |
|---|
| 373 | hdiv_160_89_kt(:) = hdiv_160_89(:) |
|---|
| 374 | DO jk = 1, 18 ! increase the inflow from the Indian (div <0) |
|---|
| 375 | hdiv_160_89_kt(jk) = hdiv_160_89(jk) - zemp_red / (10. * e1v(ji,jj) * fse3v(ji,jj,jk) ) |
|---|
| 376 | END DO |
|---|
| 377 | hdivn(ji, jj,:) = hdivn(ji, jj,:) + hdiv_160_89_kt(:) |
|---|
| 378 | END DO |
|---|
| 379 | END DO |
|---|
| 380 | ! ! ---------------- ! |
|---|
| 381 | CASE( 'tra' ) ! update (ta,sa) ! (call by traadv module) |
|---|
| 382 | ! ! --------=======- ! |
|---|
| 383 | ! |
|---|
| 384 | DO jj = mj0(88), mj1(88) !** (161,88) (Gulf of Aden side, north point) |
|---|
| 385 | DO ji = mi0(161), mi1(161) |
|---|
| 386 | DO jk = 1, jpkm1 ! surf inflow + reciculation (from Gulf of Aden) |
|---|
| 387 | tsa(ji,jj,jk,jp_tem) = tsa(ji,jj,jk,jp_tem) - hdiv_161_88_kt(jk) * tsn(ji,jj,jk,jp_tem) |
|---|
| 388 | tsa(ji,jj,jk,jp_sal) = tsa(ji,jj,jk,jp_sal) - hdiv_161_88_kt(jk) * tsn(ji,jj,jk,jp_sal) |
|---|
| 389 | END DO |
|---|
| 390 | END DO |
|---|
| 391 | END DO |
|---|
| 392 | DO jj = mj0(87), mj1(87) !** (161,87) (Gulf of Aden side, south point) |
|---|
| 393 | DO ji = mi0(161), mi1(161) |
|---|
| 394 | jk = 21 ! deep outflow + recirulation (combined flux) |
|---|
| 395 | tsa(ji,jj,jk,jp_tem) = tsa(ji,jj,jk,jp_tem) + hdiv_161_88(20) * tsn(ji ,jj+1,20,jp_tem) & ! upper recirculation from Gulf of Aden |
|---|
| 396 | & + hdiv_161_88(21) * tsn(ji ,jj+1,21,jp_tem) & ! deep recirculation from Gulf of Aden |
|---|
| 397 | & + hdiv_160_89(16) * tsn(ji-1,jj+2,16,jp_tem) ! deep inflow from Red sea |
|---|
| 398 | tsa(ji,jj,jk,jp_sal) = tsa(ji,jj,jk,jp_sal) + hdiv_161_88(20) * tsn(ji ,jj+1,20,jp_sal) & |
|---|
| 399 | & + hdiv_161_88(21) * tsn(ji ,jj+1,21,jp_sal) & |
|---|
| 400 | & + hdiv_160_89(16) * tsn(ji-1,jj+2,16,jp_sal) |
|---|
| 401 | END DO |
|---|
| 402 | END DO |
|---|
| 403 | DO jj = mj0(89), mj1(89) !** (161,88) (Red sea side) |
|---|
| 404 | DO ji = mi0(160), mi1(160) |
|---|
| 405 | DO jk = 1, 14 ! surface inflow (from Gulf of Aden) |
|---|
| 406 | tsa(ji,jj,jk,jp_tem) = tsa(ji,jj,jk,jp_tem) - hdiv_160_89_kt(jk) * tsn(ji+1,jj-1,jk,jp_tem) |
|---|
| 407 | tsa(ji,jj,jk,jp_sal) = tsa(ji,jj,jk,jp_sal) - hdiv_160_89_kt(jk) * tsn(ji+1,jj-1,jk,jp_sal) |
|---|
| 408 | END DO |
|---|
| 409 | ! ! deep outflow (from Red sea) |
|---|
| 410 | tsa(ji,jj,16,jp_tem) = tsa(ji,jj,16,jp_tem) - hdiv_160_89(16) * tsn(ji,jj,16,jp_tem) |
|---|
| 411 | tsa(ji,jj,16,jp_sal) = tsa(ji,jj,16,jp_sal) - hdiv_160_89(16) * tsn(ji,jj,16,jp_sal) |
|---|
| 412 | END DO |
|---|
| 413 | END DO |
|---|
| 414 | ! |
|---|
| 415 | ! ! ---------------- ! |
|---|
| 416 | CASE( 'spg' ) ! update (ua,va) ! (call by dynspg module) |
|---|
| 417 | ! ! --------=======- ! |
|---|
| 418 | ! at this stage, (ua,va) are the after velocity, not the tendancy |
|---|
| 419 | ! compute the velocity from the divergence at T-point |
|---|
| 420 | ! |
|---|
| 421 | DO jj = mj0(88), mj1(88) !** (160,88) (Gulf of Aden side, north point) |
|---|
| 422 | DO ji = mi0(160), mi1(160) ! 160, not 161 as it is a U-point) |
|---|
| 423 | ua(ji,jj,:) = - hdiv_161_88_kt(:) / ( e1e2t(ji+1,jj) * fse3t(ji+1,jj,:) ) * e2u(ji,jj) * fse3u(ji,jj,:) |
|---|
| 424 | END DO |
|---|
| 425 | END DO |
|---|
| 426 | DO jj = mj0(87), mj1(87) !** (160,87) (Gulf of Aden side, south point) |
|---|
| 427 | DO ji = mi0(160), mi1(160) ! 160, not 161 as it is a U-point) |
|---|
| 428 | ua(ji,jj,:) = - hdiv_161_87(:) / ( e1e2t(ji+1,jj) * fse3t(ji+1,jj,:) ) * e2u(ji,jj) * fse3u(ji,jj,:) |
|---|
| 429 | END DO |
|---|
| 430 | END DO |
|---|
| 431 | DO jj = mj0(88), mj1(88) !** profile of divergence at (160,89) (Red sea side) |
|---|
| 432 | DO ji = mi0(160), mi1(160) ! 88, not 89 as it is a V-point) |
|---|
| 433 | va(ji,jj,:) = - hdiv_160_89_kt(:) / ( e1e2t(ji,jj+1) * fse3t(ji,jj+1,:) ) * e1v(ji,jj) * fse3v(ji,jj,:) |
|---|
| 434 | END DO |
|---|
| 435 | END DO |
|---|
| 436 | END SELECT |
|---|
| 437 | ! |
|---|
| 438 | END SUBROUTINE cla_bab_el_mandeb |
|---|
| 439 | |
|---|
| 440 | |
|---|
| 441 | SUBROUTINE cla_gibraltar( cd_td ) |
|---|
| 442 | !! ------------------------------------------------------------------- |
|---|
| 443 | !! *** ROUTINE cla_gibraltar *** |
|---|
| 444 | !! |
|---|
| 445 | !! ** Purpose : update the now horizontal divergence, the tracer |
|---|
| 446 | !! tendancyand the after velocity in vicinity of Gibraltar |
|---|
| 447 | !! strait ( Persian Gulf - Indian ocean ). |
|---|
| 448 | !! |
|---|
| 449 | !! ** Method : |
|---|
| 450 | !! _______________________ |
|---|
| 451 | !! deep zio_flow /====|///////|====> surf. zio_flow |
|---|
| 452 | !! + deep zrecirc \----|///////| (+balance of emp) |
|---|
| 453 | !! 102 u///////u |
|---|
| 454 | !! mid. recicul <--|///////|<==== deep zio_flow |
|---|
| 455 | !! _____|_______|_____ |
|---|
| 456 | !! surf. zio_flow ====>|///////| |
|---|
| 457 | !! (+balance of emp) |///////| |
|---|
| 458 | !! 101 u///////| |
|---|
| 459 | !! mid. recicul -->|///////| Caution: zrecirc split into |
|---|
| 460 | !! deep zrecirc ---->|///////| upper & bottom recirculation |
|---|
| 461 | !! _______|_______|_______ |
|---|
| 462 | !! 139 140 141 |
|---|
| 463 | !! |
|---|
| 464 | !!--------------------------------------------------------------------- |
|---|
| 465 | CHARACTER(len=1), INTENT(in) :: cd_td ! ='div' update the divergence |
|---|
| 466 | ! ! ='tra' update the tracers |
|---|
| 467 | ! ! ='spg' update after velocity |
|---|
| 468 | INTEGER :: ji, jj, jk ! dummy loop indices |
|---|
| 469 | REAL(wp) :: zemp_med ! temporary scalar |
|---|
| 470 | REAL(wp) :: zio_flow, zrecirc_upp, zrecirc_mid, zrecirc_bot |
|---|
| 471 | !!--------------------------------------------------------------------- |
|---|
| 472 | ! |
|---|
| 473 | SELECT CASE( cd_td ) |
|---|
| 474 | ! ! ---------------- ! |
|---|
| 475 | CASE( 'ini' ) ! initialisation ! |
|---|
| 476 | ! ! ---------------- ! |
|---|
| 477 | ! !** initialization of the velocity |
|---|
| 478 | hdiv_139_101(:) = 0.e0 ! 139,101 (Atlantic side, south point) |
|---|
| 479 | hdiv_139_102(:) = 0.e0 ! 139,102 (Atlantic side, north point) |
|---|
| 480 | hdiv_141_102(:) = 0.e0 ! 141,102 (Med sea side) |
|---|
| 481 | |
|---|
| 482 | ! !** imposed transport |
|---|
| 483 | zio_flow = 0.8e6 ! inflow surface water |
|---|
| 484 | zrecirc_mid = 0.7e6 ! middle recirculation water |
|---|
| 485 | zrecirc_upp = 2.5e6 ! upper recirculation water |
|---|
| 486 | zrecirc_bot = 3.5e6 ! bottom recirculation water |
|---|
| 487 | ! |
|---|
| 488 | DO jj = mj0(101), mj1(101) !** profile of hdiv at 139,101 (Atlantic side, south point) |
|---|
| 489 | DO ji = mi0(139), mi1(139) !----------------------------- |
|---|
| 490 | DO jk = 1, 14 ! surface in/out flow (Atl -> Med) (div >0) |
|---|
| 491 | hdiv_139_101(jk) = + zio_flow / ( 14. * e1e2t(ji,jj) * fse3t(ji,jj,jk) ) |
|---|
| 492 | END DO |
|---|
| 493 | DO jk = 15, 20 ! middle reciculation (Atl 101 -> Atl 102) (div >0) |
|---|
| 494 | hdiv_139_101(jk) = + zrecirc_mid / ( 6. * e1e2t(ji,jj) * fse3t(ji,jj,jk) ) |
|---|
| 495 | END DO |
|---|
| 496 | ! ! upper reciculation (Atl 101 -> Atl 101) (div >0) |
|---|
| 497 | hdiv_139_101(21) = + zrecirc_upp / ( e1e2t(ji,jj) * fse3t(ji,jj,jk) ) |
|---|
| 498 | ! |
|---|
| 499 | ! ! upper & bottom reciculation (Atl 101 -> Atl 101 & 102) (div >0) |
|---|
| 500 | hdiv_139_101(22) = ( zrecirc_bot - zrecirc_upp ) / ( e1e2t(ji,jj) * fse3t(ji,jj,jk) ) |
|---|
| 501 | END DO |
|---|
| 502 | END DO |
|---|
| 503 | DO jj = mj0(102), mj1(102) !** profile of hdiv at 139,102 (Atlantic side, north point) |
|---|
| 504 | DO ji = mi0(139), mi1(139) !----------------------------- |
|---|
| 505 | DO jk = 15, 20 ! middle reciculation (Atl 101 -> Atl 102) (div <0) |
|---|
| 506 | hdiv_139_102(jk) = - zrecirc_mid / ( 6. * e1e2t(ji,jj) * fse3t(ji,jj,jk) ) |
|---|
| 507 | END DO |
|---|
| 508 | ! ! outflow of Mediterranean sea + deep recirculation (div <0) |
|---|
| 509 | hdiv_139_102(22) = - ( zio_flow + zrecirc_bot ) / ( e1e2t(ji,jj) * fse3t(ji,jj,jk) ) |
|---|
| 510 | END DO |
|---|
| 511 | END DO |
|---|
| 512 | DO jj = mj0(102), mj1(102) !** velocity profile at 141,102 (Med sea side) |
|---|
| 513 | DO ji = mi0(141), mi1(141) !------------------------------ |
|---|
| 514 | DO jk = 1, 14 ! surface inflow in the Med (div <0) |
|---|
| 515 | hdiv_141_102(jk) = - zio_flow / ( 14. * e1e2t(ji,jj) * fse3t(ji,jj,jk) ) |
|---|
| 516 | END DO |
|---|
| 517 | ! ! deep outflow toward the Atlantic (div >0) |
|---|
| 518 | hdiv_141_102(21) = + zio_flow / ( e1e2t(ji,jj) * fse3t(ji,jj,jk) ) |
|---|
| 519 | END DO |
|---|
| 520 | END DO |
|---|
| 521 | ! ! ---------------- ! |
|---|
| 522 | CASE( 'div' ) ! update hdivn ! (call by divcur module) |
|---|
| 523 | ! ! ---------=====-- ! |
|---|
| 524 | ! !** emp on the Mediterranean Sea (div >0) |
|---|
| 525 | zemp_med = 0.e0 !------------------------------- |
|---|
| 526 | DO jj = mj0(96), mj1(110) ! sum over the Med sea |
|---|
| 527 | DO ji = mi0(141),mi1(181) |
|---|
| 528 | zemp_med = zemp_med + emp(ji,jj) * e1e2t(ji,jj) * tmask_i(ji,jj) |
|---|
| 529 | END DO |
|---|
| 530 | END DO |
|---|
| 531 | DO jj = mj0(96), mj1(96) ! minus 2 points in Red Sea |
|---|
| 532 | DO ji = mi0(148),mi1(148) |
|---|
| 533 | zemp_med = zemp_med - emp(ji,jj) * e1e2t(ji,jj) * tmask_i(ji,jj) |
|---|
| 534 | END DO |
|---|
| 535 | DO ji = mi0(149),mi1(149) |
|---|
| 536 | zemp_med = zemp_med - emp(ji,jj) * e1e2t(ji,jj) * tmask_i(ji,jj) |
|---|
| 537 | END DO |
|---|
| 538 | END DO |
|---|
| 539 | IF( lk_mpp ) CALL mpp_sum( zemp_med ) ! sum with other processors value |
|---|
| 540 | zemp_med = zemp_med * 1.e-3 ! convert in m3 |
|---|
| 541 | ! |
|---|
| 542 | ! !** Correct hdivn (including emp adjustment) |
|---|
| 543 | ! !------------------------------------------- |
|---|
| 544 | DO jj = mj0(101), mj1(101) !* 139,101 (Atlantic side, south point) |
|---|
| 545 | DO ji = mi0(139), mi1(139) |
|---|
| 546 | hdiv_139_101_kt(:) = hdiv_139_101(:) |
|---|
| 547 | DO jk = 1, 14 ! increase the inflow from the Atlantic (div >0) |
|---|
| 548 | hdiv_139_101_kt(jk) = hdiv_139_101(jk) + zemp_med / ( 14. * e1e2t(ji,jj) * fse3t(ji,jj,jk) ) |
|---|
| 549 | END DO |
|---|
| 550 | hdivn(ji, jj,:) = hdivn(ji, jj,:) + hdiv_139_101_kt(:) |
|---|
| 551 | END DO |
|---|
| 552 | END DO |
|---|
| 553 | DO jj = mj0(102), mj1(102) !* 139,102 (Atlantic side, north point) |
|---|
| 554 | DO ji = mi0(139), mi1(139) |
|---|
| 555 | hdivn(ji,jj,:) = hdivn(ji,jj,:) + hdiv_139_102(:) |
|---|
| 556 | END DO |
|---|
| 557 | END DO |
|---|
| 558 | DO jj = mj0(102), mj1(102) !* 141,102 (Med side) |
|---|
| 559 | DO ji = mi0(141), mi1(141) |
|---|
| 560 | hdiv_141_102(:) = hdiv_141_102(:) |
|---|
| 561 | DO jk = 1, 14 ! increase the inflow from the Atlantic (div <0) |
|---|
| 562 | hdiv_141_102_kt(jk) = hdiv_141_102(jk) - zemp_med / ( 14. * e1e2t(ji,jj) * fse3t(ji,jj,jk) ) |
|---|
| 563 | END DO |
|---|
| 564 | hdivn(ji, jj,:) = hdivn(ji, jj,:) + hdiv_141_102_kt(:) |
|---|
| 565 | END DO |
|---|
| 566 | END DO |
|---|
| 567 | ! ! ---------------- ! |
|---|
| 568 | CASE( 'tra' ) ! update (ta,sa) ! (call by traadv module) |
|---|
| 569 | ! ! --------=======- ! |
|---|
| 570 | ! |
|---|
| 571 | DO jj = mj0(101), mj1(101) !** 139,101 (Atlantic side, south point) (div >0) |
|---|
| 572 | DO ji = mi0(139), mi1(139) |
|---|
| 573 | DO jk = 1, jpkm1 ! surf inflow + mid. & bottom reciculation (from Atlantic) |
|---|
| 574 | tsa(ji,jj,jk,jp_tem) = tsa(ji,jj,jk,jp_tem) - hdiv_139_101_kt(jk) * tsn(ji,jj,jk,jp_tem) |
|---|
| 575 | tsa(ji,jj,jk,jp_sal) = tsa(ji,jj,jk,jp_sal) - hdiv_139_101_kt(jk) * tsn(ji,jj,jk,jp_sal) |
|---|
| 576 | END DO |
|---|
| 577 | END DO |
|---|
| 578 | END DO |
|---|
| 579 | ! |
|---|
| 580 | DO jj = mj0(102), mj1(102) !** 139,102 (Atlantic side, north point) (div <0) |
|---|
| 581 | DO ji = mi0(139), mi1(139) |
|---|
| 582 | DO jk = 15, 20 ! middle reciculation (Atl 101 -> Atl 102) (div <0) |
|---|
| 583 | tsa(ji,jj,jk,jp_tem) = tsa(ji,jj,jk,jp_tem) - hdiv_139_102(jk) * tsn(ji,jj-1,jk,jp_tem) ! middle Atlantic recirculation |
|---|
| 584 | tsa(ji,jj,jk,jp_sal) = tsa(ji,jj,jk,jp_sal) - hdiv_139_102(jk) * tsn(ji,jj-1,jk,jp_sal) |
|---|
| 585 | END DO |
|---|
| 586 | ! ! upper & bottom Atl. reciculation (Atl 101 -> Atl 102) - (div <0) |
|---|
| 587 | ! ! deep Med flow (Med 102 -> Atl 102) - (div <0) |
|---|
| 588 | tsa(ji,jj,22,jp_tem) = tsa(ji,jj,22,jp_tem) + hdiv_141_102(21) * tsn(ji+2,jj,21,jp_tem) & ! deep Med flow |
|---|
| 589 | & + hdiv_139_101(21) * tsn(ji,jj-1,21,jp_tem) & ! upper Atlantic recirculation |
|---|
| 590 | & + hdiv_139_101(22) * tsn(ji,jj-1,22,jp_tem) ! bottom Atlantic recirculation |
|---|
| 591 | tsa(ji,jj,22,jp_sal) = tsa(ji,jj,22,jp_sal) + hdiv_141_102(21) * tsn(ji+2,jj,21,jp_sal) & |
|---|
| 592 | & + hdiv_139_101(21) * tsn(ji,jj-1,21,jp_sal) & |
|---|
| 593 | & + hdiv_139_101(22) * tsn(ji,jj-1,22,jp_sal) |
|---|
| 594 | END DO |
|---|
| 595 | END DO |
|---|
| 596 | DO jj = mj0(102), mj1(102) !* 141,102 (Med side) (div <0) |
|---|
| 597 | DO ji = mi0(141), mi1(141) |
|---|
| 598 | DO jk = 1, 14 ! surface flow from Atlantic to Med sea |
|---|
| 599 | tsa(ji,jj,jk,jp_tem) = tsa(ji,jj,jk,jp_tem) - hdiv_141_102_kt(jk) * tsn(ji-2,jj-1,jk,jp_tem) |
|---|
| 600 | tsa(ji,jj,jk,jp_sal) = tsa(ji,jj,jk,jp_sal) - hdiv_141_102_kt(jk) * tsn(ji-2,jj-1,jk,jp_sal) |
|---|
| 601 | END DO |
|---|
| 602 | ! ! deeper flow from Med sea to Atlantic |
|---|
| 603 | tsa(ji,jj,21,jp_tem) = tsa(ji,jj,21,jp_tem) - hdiv_141_102(21) * tsn(ji,jj,21,jp_tem) |
|---|
| 604 | tsa(ji,jj,21,jp_sal) = tsa(ji,jj,21,jp_sal) - hdiv_141_102(21) * tsn(ji,jj,21,jp_sal) |
|---|
| 605 | END DO |
|---|
| 606 | END DO |
|---|
| 607 | ! ! ---------------- ! |
|---|
| 608 | CASE( 'spg' ) ! update (ua,va) ! (call by dynspg module) |
|---|
| 609 | ! ! --------=======- ! |
|---|
| 610 | ! at this stage, (ua,va) are the after velocity, not the tendancy |
|---|
| 611 | ! compute the velocity from the divergence at T-point |
|---|
| 612 | ! |
|---|
| 613 | DO jj = mj0(101), mj1(101) !** 139,101 (Atlantic side, south point) |
|---|
| 614 | DO ji = mi0(139), mi1(139) ! div >0 => ua >0, same sign |
|---|
| 615 | ua(ji,jj,:) = hdiv_139_101_kt(:) / ( e1e2t(ji,jj) * fse3t(ji,jj,:) ) * e2u(ji,jj) * fse3u(ji,jj,:) |
|---|
| 616 | END DO |
|---|
| 617 | END DO |
|---|
| 618 | DO jj = mj0(102), mj1(102) !** 139,102 (Atlantic side, north point) |
|---|
| 619 | DO ji = mi0(139), mi1(139) ! div <0 => ua <0, same sign |
|---|
| 620 | ua(ji,jj,:) = hdiv_139_102(:) / ( e1e2t(ji,jj) * fse3t(ji,jj,:) ) * e2u(ji,jj) * fse3u(ji,jj,:) |
|---|
| 621 | END DO |
|---|
| 622 | END DO |
|---|
| 623 | DO jj = mj0(102), mj1(102) !** 140,102 (Med side) (140 not 141 as it is a U-point) |
|---|
| 624 | DO ji = mi0(140), mi1(140) ! div >0 => ua <0, opposite sign |
|---|
| 625 | ua(ji,jj,:) = - hdiv_141_102(:) / ( e1e2t(ji+1,jj) * fse3t(ji+1,jj,:) ) * e2u(ji,jj) * fse3u(ji,jj,:) |
|---|
| 626 | END DO |
|---|
| 627 | END DO |
|---|
| 628 | ! |
|---|
| 629 | END SELECT |
|---|
| 630 | ! |
|---|
| 631 | END SUBROUTINE cla_gibraltar |
|---|
| 632 | |
|---|
| 633 | |
|---|
| 634 | SUBROUTINE cla_hormuz( cd_td ) |
|---|
| 635 | !! ------------------------------------------------------------------- |
|---|
| 636 | !! *** ROUTINE div_hormuz *** |
|---|
| 637 | !! |
|---|
| 638 | !! ** Purpose : update the now horizontal divergence, the tracer |
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| 639 | !! tendancyand the after velocity in vicinity of Hormuz |
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| 640 | !! strait ( Persian Gulf - Indian ocean ). |
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| 641 | !! |
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| 642 | !! ** Method : Hormuz strait |
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| 643 | !! ______________ |
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| 644 | !! |/////|<== surface inflow |
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| 645 | !! 94 |/////| |
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| 646 | !! |/////|==> deep outflow |
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| 647 | !! |_____|_______ |
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| 648 | !! 171 172 |
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| 649 | !!--------------------------------------------------------------------- |
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| 650 | CHARACTER(len=1), INTENT(in) :: cd_td ! ='ini' initialisation |
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| 651 | !! ! ='div' update the divergence |
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| 652 | !! ! ='tra' update the tracers |
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| 653 | !! ! ='spg' update after velocity |
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| 654 | !! |
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| 655 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 656 | REAL(wp) :: zio_flow ! temporary scalar |
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| 657 | !!--------------------------------------------------------------------- |
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| 658 | ! |
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| 659 | SELECT CASE( cd_td ) |
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| 660 | ! ! ---------------- ! |
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| 661 | CASE( 'ini' ) ! initialisation ! |
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| 662 | ! ! ---------------- ! |
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| 663 | ! !** profile of horizontal divergence due to cross-land advection |
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| 664 | zio_flow = 1.e6 ! imposed in/out flow |
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| 665 | ! |
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| 666 | hdiv_172_94(:) = 0.e0 |
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| 667 | ! |
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| 668 | DO jj = mj0(94), mj1(94) ! in/out flow at (i,j) = (172,94) |
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| 669 | DO ji = mi0(172), mi1(172) |
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| 670 | DO jk = 1, 8 ! surface inflow (Indian ocean to Persian Gulf) (div<0) |
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| 671 | hdiv_172_94(jk) = - ( zio_flow / 8.e0 * e1e2t(ji,jj) * fse3t(ji,jj,jk) ) |
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| 672 | END DO |
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| 673 | DO jk = 16, 18 ! deep outflow (Persian Gulf to Indian ocean) (div>0) |
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| 674 | hdiv_172_94(jk) = + ( zio_flow / 3.e0 * e1e2t(ji,jj) * fse3t(ji,jj,jk) ) |
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| 675 | END DO |
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| 676 | END DO |
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| 677 | END DO |
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| 678 | ! !** T & S profile in the Hormuz strait (use in deep outflow) |
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| 679 | ! Temperature and Salinity |
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| 680 | t_171_94_hor(:) = 0.e0 ; s_171_94_hor(:) = 0.e0 |
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| 681 | t_171_94_hor(16) = 18.4 ; s_171_94_hor(16) = 36.27 |
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| 682 | t_171_94_hor(17) = 17.8 ; s_171_94_hor(17) = 36.4 |
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| 683 | t_171_94_hor(18) = 16. ; s_171_94_hor(18) = 36.27 |
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| 684 | ! |
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| 685 | ! ! ---------------- ! |
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| 686 | CASE( 'div' ) ! update hdivn ! (call by divcur module) |
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| 687 | ! ! ---------=====-- ! |
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| 688 | ! |
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| 689 | DO jj = mj0(94), mj1(94) !** 172,94 (Indian ocean side) |
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| 690 | DO ji = mi0(172), mi1(172) |
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| 691 | hdivn(ji,jj,:) = hdivn(ji,jj,:) + hdiv_172_94(:) |
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| 692 | END DO |
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| 693 | END DO |
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| 694 | ! ! ---------------- ! |
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| 695 | CASE( 'tra' ) ! update (ta,sa) ! (call by traadv module) |
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| 696 | ! ! --------=======- ! |
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| 697 | ! |
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| 698 | DO jj = mj0(94), mj1(94) !** 172,94 (Indian ocean side) |
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| 699 | DO ji = mi0(172), mi1(172) |
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| 700 | DO jk = 1, 8 ! surface inflow (Indian ocean to Persian Gulf) (div<0) |
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| 701 | tsa(ji,jj,jk,jp_tem) = tsa(ji,jj,jk,jp_tem) - hdiv_172_94(jk) * tsn(ji,jj,jk,jp_tem) |
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| 702 | tsa(ji,jj,jk,jp_sal) = tsa(ji,jj,jk,jp_sal) - hdiv_172_94(jk) * tsn(ji,jj,jk,jp_sal) |
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| 703 | END DO |
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| 704 | DO jk = 16, 18 ! deep outflow (Persian Gulf to Indian ocean) (div>0) |
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| 705 | tsa(ji,jj,jk,jp_tem) = tsa(ji,jj,jk,jp_tem) - hdiv_172_94(jk) * t_171_94_hor(jk) |
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| 706 | tsa(ji,jj,jk,jp_sal) = tsa(ji,jj,jk,jp_sal) - hdiv_172_94(jk) * s_171_94_hor(jk) |
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| 707 | END DO |
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| 708 | END DO |
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| 709 | END DO |
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| 710 | ! ! ---------------- ! |
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| 711 | CASE( 'spg' ) ! update (ua,va) ! (call by dynspg module) |
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| 712 | ! ! --------=======- ! |
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| 713 | ! No barotropic flow through Hormuz strait |
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| 714 | ! at this stage, (ua,va) are the after velocity, not the tendancy |
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| 715 | ! compute the velocity from the divergence at T-point |
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| 716 | DO jj = mj0(94), mj1(94) !** 171,94 (Indian ocean side) (171 not 172 as it is the western U-point) |
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| 717 | DO ji = mi0(171), mi1(171) ! div >0 => ua >0, opposite sign |
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| 718 | ua(ji,jj,:) = - hdiv_172_94(:) / ( e1e2t(ji+1,jj) * fse3t(ji+1,jj,:) ) * e2u(ji,jj) * fse3u(ji,jj,:) |
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| 719 | END DO |
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| 720 | END DO |
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| 721 | ! |
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| 722 | END SELECT |
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| 723 | ! |
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| 724 | END SUBROUTINE cla_hormuz |
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| 725 | |
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| 726 | !!====================================================================== |
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| 727 | END MODULE cla |
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