[3] | 1 | MODULE dynhpg |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE dynhpg *** |
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| 4 | !! Ocean dynamics: hydrostatic pressure gradient trend |
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| 5 | !!====================================================================== |
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[2528] | 6 | !! History : OPA ! 1987-09 (P. Andrich, M.-A. Foujols) hpg_zco: Original code |
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| 7 | !! 5.0 ! 1991-11 (G. Madec) |
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| 8 | !! 7.0 ! 1996-01 (G. Madec) hpg_sco: Original code for s-coordinates |
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| 9 | !! 8.0 ! 1997-05 (G. Madec) split dynber into dynkeg and dynhpg |
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| 10 | !! 8.5 ! 2002-07 (G. Madec) F90: Free form and module |
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| 11 | !! 8.5 ! 2002-08 (A. Bozec) hpg_zps: Original code |
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| 12 | !! NEMO 1.0 ! 2005-10 (A. Beckmann, B.W. An) various s-coordinate options |
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[3764] | 13 | !! ! Original code for hpg_ctl, hpg_hel hpg_wdj, hpg_djc, hpg_rot |
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[2528] | 14 | !! - ! 2005-11 (G. Madec) style & small optimisation |
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| 15 | !! 3.3 ! 2010-10 (C. Ethe, G. Madec) reorganisation of initialisation phase |
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[3294] | 16 | !! 3.4 ! 2011-11 (H. Liu) hpg_prj: Original code for s-coordinates |
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| 17 | !! ! (A. Coward) suppression of hel, wdj and rot options |
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[5120] | 18 | !! 3.6 ! 2014-11 (P. Mathiot) hpg_isf: original code for ice shelf cavity |
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[503] | 19 | !!---------------------------------------------------------------------- |
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[3] | 20 | |
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| 21 | !!---------------------------------------------------------------------- |
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[455] | 22 | !! dyn_hpg : update the momentum trend with the now horizontal |
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[3] | 23 | !! gradient of the hydrostatic pressure |
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[2528] | 24 | !! dyn_hpg_init : initialisation and control of options |
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[455] | 25 | !! hpg_zco : z-coordinate scheme |
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| 26 | !! hpg_zps : z-coordinate plus partial steps (interpolation) |
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| 27 | !! hpg_sco : s-coordinate (standard jacobian formulation) |
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[5120] | 28 | !! hpg_isf : s-coordinate (sco formulation) adapted to ice shelf |
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[455] | 29 | !! hpg_djc : s-coordinate (Density Jacobian with Cubic polynomial) |
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[3294] | 30 | !! hpg_prj : s-coordinate (Pressure Jacobian with Cubic polynomial) |
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[3] | 31 | !!---------------------------------------------------------------------- |
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| 32 | USE oce ! ocean dynamics and tracers |
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[4990] | 33 | USE sbc_oce ! surface variable (only for the flag with ice shelf) |
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[3] | 34 | USE dom_oce ! ocean space and time domain |
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[6152] | 35 | USE wet_dry ! wetting and drying |
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[3] | 36 | USE phycst ! physical constants |
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[4990] | 37 | USE trd_oce ! trends: ocean variables |
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| 38 | USE trddyn ! trend manager: dynamics |
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[5930] | 39 | !jc USE zpshde ! partial step: hor. derivative (zps_hde routine) |
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[4990] | 40 | ! |
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[2715] | 41 | USE in_out_manager ! I/O manager |
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[258] | 42 | USE prtctl ! Print control |
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[4990] | 43 | USE lbclnk ! lateral boundary condition |
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[2715] | 44 | USE lib_mpp ! MPP library |
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[4990] | 45 | USE eosbn2 ! compute density |
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[3294] | 46 | USE wrk_nemo ! Memory Allocation |
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| 47 | USE timing ! Timing |
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[6140] | 48 | USE iom |
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[3] | 49 | |
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| 50 | IMPLICIT NONE |
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| 51 | PRIVATE |
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| 52 | |
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[2528] | 53 | PUBLIC dyn_hpg ! routine called by step module |
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| 54 | PUBLIC dyn_hpg_init ! routine called by opa module |
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[3] | 55 | |
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[6140] | 56 | ! !!* Namelist namdyn_hpg : hydrostatic pressure gradient |
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| 57 | LOGICAL , PUBLIC :: ln_hpg_zco !: z-coordinate - full steps |
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| 58 | LOGICAL , PUBLIC :: ln_hpg_zps !: z-coordinate - partial steps (interpolation) |
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| 59 | LOGICAL , PUBLIC :: ln_hpg_sco !: s-coordinate (standard jacobian formulation) |
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| 60 | LOGICAL , PUBLIC :: ln_hpg_djc !: s-coordinate (Density Jacobian with Cubic polynomial) |
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| 61 | LOGICAL , PUBLIC :: ln_hpg_prj !: s-coordinate (Pressure Jacobian scheme) |
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| 62 | LOGICAL , PUBLIC :: ln_hpg_isf !: s-coordinate similar to sco modify for isf |
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[455] | 63 | |
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[3764] | 64 | INTEGER , PUBLIC :: nhpg = 0 ! = 0 to 7, type of pressure gradient scheme used ! (deduced from ln_hpg_... flags) (PUBLIC for TAM) |
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[455] | 65 | |
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[3] | 66 | !! * Substitutions |
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| 67 | # include "vectopt_loop_substitute.h90" |
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| 68 | !!---------------------------------------------------------------------- |
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[2528] | 69 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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| 70 | !! $Id$ |
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| 71 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[3] | 72 | !!---------------------------------------------------------------------- |
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| 73 | CONTAINS |
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| 74 | |
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| 75 | SUBROUTINE dyn_hpg( kt ) |
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| 76 | !!--------------------------------------------------------------------- |
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| 77 | !! *** ROUTINE dyn_hpg *** |
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| 78 | !! |
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[3764] | 79 | !! ** Method : Call the hydrostatic pressure gradient routine |
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[503] | 80 | !! using the scheme defined in the namelist |
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[3764] | 81 | !! |
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[455] | 82 | !! ** Action : - Update (ua,va) with the now hydrastatic pressure trend |
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[4990] | 83 | !! - send trends to trd_dyn for futher diagnostics (l_trddyn=T) |
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[503] | 84 | !!---------------------------------------------------------------------- |
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| 85 | INTEGER, INTENT(in) :: kt ! ocean time-step index |
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[3294] | 86 | REAL(wp), POINTER, DIMENSION(:,:,:) :: ztrdu, ztrdv |
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[455] | 87 | !!---------------------------------------------------------------------- |
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[2528] | 88 | ! |
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[3294] | 89 | IF( nn_timing == 1 ) CALL timing_start('dyn_hpg') |
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[2715] | 90 | ! |
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[503] | 91 | IF( l_trddyn ) THEN ! Temporary saving of ua and va trends (l_trddyn) |
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[3294] | 92 | CALL wrk_alloc( jpi,jpj,jpk, ztrdu, ztrdv ) |
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[7753] | 93 | ztrdu(:,:,:) = ua(:,:,:) |
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| 94 | ztrdv(:,:,:) = va(:,:,:) |
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[3764] | 95 | ENDIF |
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[2528] | 96 | ! |
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[3294] | 97 | SELECT CASE ( nhpg ) ! Hydrostatic pressure gradient computation |
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[503] | 98 | CASE ( 0 ) ; CALL hpg_zco ( kt ) ! z-coordinate |
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| 99 | CASE ( 1 ) ; CALL hpg_zps ( kt ) ! z-coordinate plus partial steps (interpolation) |
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| 100 | CASE ( 2 ) ; CALL hpg_sco ( kt ) ! s-coordinate (standard jacobian formulation) |
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[3294] | 101 | CASE ( 3 ) ; CALL hpg_djc ( kt ) ! s-coordinate (Density Jacobian with Cubic polynomial) |
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| 102 | CASE ( 4 ) ; CALL hpg_prj ( kt ) ! s-coordinate (Pressure Jacobian scheme) |
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[5120] | 103 | CASE ( 5 ) ; CALL hpg_isf ( kt ) ! s-coordinate similar to sco modify for ice shelf |
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[455] | 104 | END SELECT |
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[2528] | 105 | ! |
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[503] | 106 | IF( l_trddyn ) THEN ! save the hydrostatic pressure gradient trends for momentum trend diagnostics |
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[7753] | 107 | ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:) |
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| 108 | ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:) |
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[4990] | 109 | CALL trd_dyn( ztrdu, ztrdv, jpdyn_hpg, kt ) |
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[3294] | 110 | CALL wrk_dealloc( jpi,jpj,jpk, ztrdu, ztrdv ) |
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[3764] | 111 | ENDIF |
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[503] | 112 | ! |
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| 113 | IF(ln_ctl) CALL prt_ctl( tab3d_1=ua, clinfo1=' hpg - Ua: ', mask1=umask, & |
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| 114 | & tab3d_2=va, clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' ) |
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| 115 | ! |
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[3294] | 116 | IF( nn_timing == 1 ) CALL timing_stop('dyn_hpg') |
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[2715] | 117 | ! |
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[455] | 118 | END SUBROUTINE dyn_hpg |
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| 119 | |
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| 120 | |
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[2528] | 121 | SUBROUTINE dyn_hpg_init |
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[455] | 122 | !!---------------------------------------------------------------------- |
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[2528] | 123 | !! *** ROUTINE dyn_hpg_init *** |
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[455] | 124 | !! |
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| 125 | !! ** Purpose : initializations for the hydrostatic pressure gradient |
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| 126 | !! computation and consistency control |
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| 127 | !! |
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[1601] | 128 | !! ** Action : Read the namelist namdyn_hpg and check the consistency |
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[455] | 129 | !! with the type of vertical coordinate used (zco, zps, sco) |
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| 130 | !!---------------------------------------------------------------------- |
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| 131 | INTEGER :: ioptio = 0 ! temporary integer |
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[4147] | 132 | INTEGER :: ios ! Local integer output status for namelist read |
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[1601] | 133 | !! |
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[6140] | 134 | INTEGER :: ji, jj, jk, ikt ! dummy loop indices ISF |
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| 135 | REAL(wp) :: znad |
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| 136 | REAL(wp), POINTER, DIMENSION(:,:,:) :: ztstop, zrhd ! hypothesys on isf density |
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| 137 | REAL(wp), POINTER, DIMENSION(:,:) :: zrhdtop_isf ! density at bottom of ISF |
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| 138 | REAL(wp), POINTER, DIMENSION(:,:) :: ziceload ! density at bottom of ISF |
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| 139 | !! |
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[3294] | 140 | NAMELIST/namdyn_hpg/ ln_hpg_zco, ln_hpg_zps, ln_hpg_sco, & |
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[5930] | 141 | & ln_hpg_djc, ln_hpg_prj, ln_hpg_isf |
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[455] | 142 | !!---------------------------------------------------------------------- |
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[2528] | 143 | ! |
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[4147] | 144 | REWIND( numnam_ref ) ! Namelist namdyn_hpg in reference namelist : Hydrostatic pressure gradient |
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| 145 | READ ( numnam_ref, namdyn_hpg, IOSTAT = ios, ERR = 901) |
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[6140] | 146 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namdyn_hpg in reference namelist', lwp ) |
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| 147 | ! |
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[4147] | 148 | REWIND( numnam_cfg ) ! Namelist namdyn_hpg in configuration namelist : Hydrostatic pressure gradient |
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| 149 | READ ( numnam_cfg, namdyn_hpg, IOSTAT = ios, ERR = 902 ) |
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[6140] | 150 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namdyn_hpg in configuration namelist', lwp ) |
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[4624] | 151 | IF(lwm) WRITE ( numond, namdyn_hpg ) |
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[2528] | 152 | ! |
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| 153 | IF(lwp) THEN ! Control print |
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[455] | 154 | WRITE(numout,*) |
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[2528] | 155 | WRITE(numout,*) 'dyn_hpg_init : hydrostatic pressure gradient initialisation' |
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| 156 | WRITE(numout,*) '~~~~~~~~~~~~' |
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[1601] | 157 | WRITE(numout,*) ' Namelist namdyn_hpg : choice of hpg scheme' |
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| 158 | WRITE(numout,*) ' z-coord. - full steps ln_hpg_zco = ', ln_hpg_zco |
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| 159 | WRITE(numout,*) ' z-coord. - partial steps (interpolation) ln_hpg_zps = ', ln_hpg_zps |
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| 160 | WRITE(numout,*) ' s-coord. (standard jacobian formulation) ln_hpg_sco = ', ln_hpg_sco |
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[5120] | 161 | WRITE(numout,*) ' s-coord. (standard jacobian formulation) for isf ln_hpg_isf = ', ln_hpg_isf |
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[1601] | 162 | WRITE(numout,*) ' s-coord. (Density Jacobian: Cubic polynomial) ln_hpg_djc = ', ln_hpg_djc |
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[3294] | 163 | WRITE(numout,*) ' s-coord. (Pressure Jacobian: Cubic polynomial) ln_hpg_prj = ', ln_hpg_prj |
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[455] | 164 | ENDIF |
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[2528] | 165 | ! |
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[3294] | 166 | IF( ln_hpg_djc ) & |
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| 167 | & CALL ctl_stop('dyn_hpg_init : Density Jacobian: Cubic polynominal method & |
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| 168 | & currently disabled (bugs under investigation). Please select & |
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| 169 | & either ln_hpg_sco or ln_hpg_prj instead') |
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[2528] | 170 | ! |
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[6140] | 171 | IF( .NOT.ln_linssh .AND. .NOT.(ln_hpg_sco.OR.ln_hpg_prj.OR.ln_hpg_isf) ) & |
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| 172 | & CALL ctl_stop('dyn_hpg_init : non-linear free surface requires either ', & |
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| 173 | & ' the standard jacobian formulation hpg_sco or ' , & |
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| 174 | & ' the pressure jacobian formulation hpg_prj' ) |
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[5120] | 175 | |
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| 176 | IF( ln_hpg_isf .AND. .NOT. ln_isfcav ) & |
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| 177 | & CALL ctl_stop( ' hpg_isf not available if ln_isfcav = false ' ) |
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| 178 | IF( .NOT. ln_hpg_isf .AND. ln_isfcav ) & |
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| 179 | & CALL ctl_stop( 'Only hpg_isf has been corrected to work with ice shelf cavity.' ) |
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[3294] | 180 | ! |
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[503] | 181 | ! ! Set nhpg from ln_hpg_... flags |
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[455] | 182 | IF( ln_hpg_zco ) nhpg = 0 |
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| 183 | IF( ln_hpg_zps ) nhpg = 1 |
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| 184 | IF( ln_hpg_sco ) nhpg = 2 |
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[3294] | 185 | IF( ln_hpg_djc ) nhpg = 3 |
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| 186 | IF( ln_hpg_prj ) nhpg = 4 |
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[5120] | 187 | IF( ln_hpg_isf ) nhpg = 5 |
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[2528] | 188 | ! |
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[3294] | 189 | ! ! Consistency check |
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[3764] | 190 | ioptio = 0 |
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[455] | 191 | IF( ln_hpg_zco ) ioptio = ioptio + 1 |
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| 192 | IF( ln_hpg_zps ) ioptio = ioptio + 1 |
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| 193 | IF( ln_hpg_sco ) ioptio = ioptio + 1 |
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| 194 | IF( ln_hpg_djc ) ioptio = ioptio + 1 |
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[3294] | 195 | IF( ln_hpg_prj ) ioptio = ioptio + 1 |
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[5120] | 196 | IF( ln_hpg_isf ) ioptio = ioptio + 1 |
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[2715] | 197 | IF( ioptio /= 1 ) CALL ctl_stop( 'NO or several hydrostatic pressure gradient options used' ) |
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[5120] | 198 | ! |
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[6140] | 199 | ! initialisation of ice shelf load |
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[7753] | 200 | IF ( .NOT. ln_isfcav ) riceload(:,:)=0.0 |
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[6140] | 201 | IF ( ln_isfcav ) THEN |
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| 202 | CALL wrk_alloc( jpi,jpj, 2, ztstop) |
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| 203 | CALL wrk_alloc( jpi,jpj,jpk, zrhd ) |
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| 204 | CALL wrk_alloc( jpi,jpj, zrhdtop_isf, ziceload) |
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| 205 | ! |
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| 206 | IF(lwp) WRITE(numout,*) |
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| 207 | IF(lwp) WRITE(numout,*) 'dyn:hpg_isf : hydrostatic pressure gradient trend for ice shelf' |
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| 208 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~' |
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| 209 | |
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| 210 | ! To use density and not density anomaly |
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| 211 | znad=1._wp |
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| 212 | |
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| 213 | ! assume water displaced by the ice shelf is at T=-1.9 and S=34.4 (rude) |
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[7753] | 214 | ztstop(:,:,1)=-1.9_wp ; ztstop(:,:,2)=34.4_wp |
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[6140] | 215 | |
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| 216 | ! compute density of the water displaced by the ice shelf |
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| 217 | DO jk = 1, jpk |
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| 218 | CALL eos(ztstop(:,:,:),gdept_n(:,:,jk),zrhd(:,:,jk)) |
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| 219 | END DO |
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| 220 | |
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| 221 | ! compute rhd at the ice/oce interface (ice shelf side) |
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| 222 | CALL eos(ztstop,risfdep,zrhdtop_isf) |
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| 223 | |
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| 224 | ! Surface value + ice shelf gradient |
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| 225 | ! compute pressure due to ice shelf load (used to compute hpgi/j for all the level from 1 to miku/v) |
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| 226 | ! divided by 2 later |
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| 227 | ziceload = 0._wp |
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| 228 | DO jj = 1, jpj |
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| 229 | DO ji = 1, jpi |
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| 230 | ikt=mikt(ji,jj) |
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| 231 | ziceload(ji,jj) = ziceload(ji,jj) + (znad + zrhd(ji,jj,1) ) * e3w_n(ji,jj,1) * (1._wp - tmask(ji,jj,1)) |
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| 232 | DO jk=2,ikt-1 |
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| 233 | ziceload(ji,jj) = ziceload(ji,jj) + (2._wp * znad + zrhd(ji,jj,jk-1) + zrhd(ji,jj,jk)) * e3w_n(ji,jj,jk) & |
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| 234 | & * (1._wp - tmask(ji,jj,jk)) |
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| 235 | END DO |
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| 236 | IF (ikt >= 2) ziceload(ji,jj) = ziceload(ji,jj) + (2._wp * znad + zrhdtop_isf(ji,jj) + zrhd(ji,jj,ikt-1)) & |
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| 237 | & * ( risfdep(ji,jj) - gdept_1d(ikt-1) ) |
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| 238 | END DO |
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| 239 | END DO |
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[7753] | 240 | riceload(:,:)=ziceload(:,:) ! need to be saved for diaar5 |
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[6140] | 241 | |
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| 242 | CALL wrk_dealloc( jpi,jpj, 2, ztstop) |
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| 243 | CALL wrk_dealloc( jpi,jpj,jpk, zrhd ) |
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| 244 | CALL wrk_dealloc( jpi,jpj, zrhdtop_isf, ziceload) |
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| 245 | END IF |
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[503] | 246 | ! |
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[2528] | 247 | END SUBROUTINE dyn_hpg_init |
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[455] | 248 | |
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| 249 | |
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| 250 | SUBROUTINE hpg_zco( kt ) |
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| 251 | !!--------------------------------------------------------------------- |
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| 252 | !! *** ROUTINE hpg_zco *** |
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| 253 | !! |
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| 254 | !! ** Method : z-coordinate case, levels are horizontal surfaces. |
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| 255 | !! The now hydrostatic pressure gradient at a given level, jk, |
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| 256 | !! is computed by taking the vertical integral of the in-situ |
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| 257 | !! density gradient along the model level from the suface to that |
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| 258 | !! level: zhpi = grav ..... |
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| 259 | !! zhpj = grav ..... |
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[3] | 260 | !! add it to the general momentum trend (ua,va). |
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[455] | 261 | !! ua = ua - 1/e1u * zhpi |
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| 262 | !! va = va - 1/e2v * zhpj |
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[3764] | 263 | !! |
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[3] | 264 | !! ** Action : - Update (ua,va) with the now hydrastatic pressure trend |
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[503] | 265 | !!---------------------------------------------------------------------- |
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| 266 | INTEGER, INTENT(in) :: kt ! ocean time-step index |
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[6140] | 267 | ! |
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[503] | 268 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 269 | REAL(wp) :: zcoef0, zcoef1 ! temporary scalars |
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[3764] | 270 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zhpi, zhpj |
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[3] | 271 | !!---------------------------------------------------------------------- |
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[3764] | 272 | ! |
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[6140] | 273 | CALL wrk_alloc( jpi,jpj,jpk, zhpi, zhpj ) |
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[3294] | 274 | ! |
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[3] | 275 | IF( kt == nit000 ) THEN |
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| 276 | IF(lwp) WRITE(numout,*) |
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[455] | 277 | IF(lwp) WRITE(numout,*) 'dyn:hpg_zco : hydrostatic pressure gradient trend' |
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| 278 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~ z-coordinate case ' |
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[3] | 279 | ENDIF |
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| 280 | |
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[3764] | 281 | zcoef0 = - grav * 0.5_wp ! Local constant initialization |
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| 282 | |
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[455] | 283 | ! Surface value |
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[3] | 284 | DO jj = 2, jpjm1 |
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| 285 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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[6140] | 286 | zcoef1 = zcoef0 * e3w_n(ji,jj,1) |
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[455] | 287 | ! hydrostatic pressure gradient |
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[6140] | 288 | zhpi(ji,jj,1) = zcoef1 * ( rhd(ji+1,jj,1) - rhd(ji,jj,1) ) * r1_e1u(ji,jj) |
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| 289 | zhpj(ji,jj,1) = zcoef1 * ( rhd(ji,jj+1,1) - rhd(ji,jj,1) ) * r1_e2v(ji,jj) |
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[3] | 290 | ! add to the general momentum trend |
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[455] | 291 | ua(ji,jj,1) = ua(ji,jj,1) + zhpi(ji,jj,1) |
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| 292 | va(ji,jj,1) = va(ji,jj,1) + zhpj(ji,jj,1) |
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| 293 | END DO |
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| 294 | END DO |
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[3294] | 295 | |
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[503] | 296 | ! |
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[455] | 297 | ! interior value (2=<jk=<jpkm1) |
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[3] | 298 | DO jk = 2, jpkm1 |
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[455] | 299 | DO jj = 2, jpjm1 |
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[3] | 300 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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[6140] | 301 | zcoef1 = zcoef0 * e3w_n(ji,jj,jk) |
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[455] | 302 | ! hydrostatic pressure gradient |
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| 303 | zhpi(ji,jj,jk) = zhpi(ji,jj,jk-1) & |
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[6140] | 304 | & + zcoef1 * ( ( rhd(ji+1,jj,jk)+rhd(ji+1,jj,jk-1) ) & |
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| 305 | & - ( rhd(ji ,jj,jk)+rhd(ji ,jj,jk-1) ) ) * r1_e1u(ji,jj) |
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[455] | 306 | |
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| 307 | zhpj(ji,jj,jk) = zhpj(ji,jj,jk-1) & |
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[6140] | 308 | & + zcoef1 * ( ( rhd(ji,jj+1,jk)+rhd(ji,jj+1,jk-1) ) & |
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| 309 | & - ( rhd(ji,jj, jk)+rhd(ji,jj ,jk-1) ) ) * r1_e2v(ji,jj) |
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[3] | 310 | ! add to the general momentum trend |
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[455] | 311 | ua(ji,jj,jk) = ua(ji,jj,jk) + zhpi(ji,jj,jk) |
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| 312 | va(ji,jj,jk) = va(ji,jj,jk) + zhpj(ji,jj,jk) |
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[3] | 313 | END DO |
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| 314 | END DO |
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| 315 | END DO |
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[503] | 316 | ! |
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[6140] | 317 | CALL wrk_dealloc( jpi,jpj,jpk, zhpi, zhpj ) |
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[3294] | 318 | ! |
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[455] | 319 | END SUBROUTINE hpg_zco |
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[216] | 320 | |
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[3] | 321 | |
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[455] | 322 | SUBROUTINE hpg_zps( kt ) |
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[3] | 323 | !!--------------------------------------------------------------------- |
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[455] | 324 | !! *** ROUTINE hpg_zps *** |
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[3764] | 325 | !! |
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[455] | 326 | !! ** Method : z-coordinate plus partial steps case. blahblah... |
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[3764] | 327 | !! |
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[3] | 328 | !! ** Action : - Update (ua,va) with the now hydrastatic pressure trend |
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[3764] | 329 | !!---------------------------------------------------------------------- |
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[503] | 330 | INTEGER, INTENT(in) :: kt ! ocean time-step index |
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| 331 | !! |
---|
| 332 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
| 333 | INTEGER :: iku, ikv ! temporary integers |
---|
| 334 | REAL(wp) :: zcoef0, zcoef1, zcoef2, zcoef3 ! temporary scalars |
---|
[3764] | 335 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zhpi, zhpj |
---|
[3] | 336 | !!---------------------------------------------------------------------- |
---|
[3294] | 337 | ! |
---|
[6140] | 338 | CALL wrk_alloc( jpi,jpj,jpk, zhpi, zhpj ) |
---|
[3294] | 339 | ! |
---|
[3] | 340 | IF( kt == nit000 ) THEN |
---|
| 341 | IF(lwp) WRITE(numout,*) |
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[455] | 342 | IF(lwp) WRITE(numout,*) 'dyn:hpg_zps : hydrostatic pressure gradient trend' |
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[503] | 343 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~ z-coordinate with partial steps - vector optimization' |
---|
[3] | 344 | ENDIF |
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| 345 | |
---|
[5930] | 346 | ! Partial steps: bottom before horizontal gradient of t, s, rd at the last ocean level |
---|
| 347 | !jc CALL zps_hde ( kt, jpts, tsn, gtsu, gtsv, rhd, gru , grv ) |
---|
[3294] | 348 | |
---|
[503] | 349 | ! Local constant initialization |
---|
[2528] | 350 | zcoef0 = - grav * 0.5_wp |
---|
[3] | 351 | |
---|
[2528] | 352 | ! Surface value (also valid in partial step case) |
---|
[3] | 353 | DO jj = 2, jpjm1 |
---|
| 354 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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[6140] | 355 | zcoef1 = zcoef0 * e3w_n(ji,jj,1) |
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[3] | 356 | ! hydrostatic pressure gradient |
---|
[6140] | 357 | zhpi(ji,jj,1) = zcoef1 * ( rhd(ji+1,jj ,1) - rhd(ji,jj,1) ) * r1_e1u(ji,jj) |
---|
| 358 | zhpj(ji,jj,1) = zcoef1 * ( rhd(ji ,jj+1,1) - rhd(ji,jj,1) ) * r1_e2v(ji,jj) |
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[3] | 359 | ! add to the general momentum trend |
---|
| 360 | ua(ji,jj,1) = ua(ji,jj,1) + zhpi(ji,jj,1) |
---|
| 361 | va(ji,jj,1) = va(ji,jj,1) + zhpj(ji,jj,1) |
---|
| 362 | END DO |
---|
| 363 | END DO |
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| 364 | |
---|
[503] | 365 | ! interior value (2=<jk=<jpkm1) |
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[3] | 366 | DO jk = 2, jpkm1 |
---|
| 367 | DO jj = 2, jpjm1 |
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| 368 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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[6140] | 369 | zcoef1 = zcoef0 * e3w_n(ji,jj,jk) |
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[3] | 370 | ! hydrostatic pressure gradient |
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| 371 | zhpi(ji,jj,jk) = zhpi(ji,jj,jk-1) & |
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[455] | 372 | & + zcoef1 * ( ( rhd(ji+1,jj,jk) + rhd(ji+1,jj,jk-1) ) & |
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[6140] | 373 | & - ( rhd(ji ,jj,jk) + rhd(ji ,jj,jk-1) ) ) * r1_e1u(ji,jj) |
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[3] | 374 | |
---|
| 375 | zhpj(ji,jj,jk) = zhpj(ji,jj,jk-1) & |
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[455] | 376 | & + zcoef1 * ( ( rhd(ji,jj+1,jk) + rhd(ji,jj+1,jk-1) ) & |
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[6140] | 377 | & - ( rhd(ji,jj, jk) + rhd(ji,jj ,jk-1) ) ) * r1_e2v(ji,jj) |
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[3] | 378 | ! add to the general momentum trend |
---|
| 379 | ua(ji,jj,jk) = ua(ji,jj,jk) + zhpi(ji,jj,jk) |
---|
| 380 | va(ji,jj,jk) = va(ji,jj,jk) + zhpj(ji,jj,jk) |
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[455] | 381 | END DO |
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[3] | 382 | END DO |
---|
| 383 | END DO |
---|
| 384 | |
---|
[2528] | 385 | ! partial steps correction at the last level (use gru & grv computed in zpshde.F90) |
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[3] | 386 | DO jj = 2, jpjm1 |
---|
| 387 | DO ji = 2, jpim1 |
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[2528] | 388 | iku = mbku(ji,jj) |
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| 389 | ikv = mbkv(ji,jj) |
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[6140] | 390 | zcoef2 = zcoef0 * MIN( e3w_n(ji,jj,iku), e3w_n(ji+1,jj ,iku) ) |
---|
| 391 | zcoef3 = zcoef0 * MIN( e3w_n(ji,jj,ikv), e3w_n(ji ,jj+1,ikv) ) |
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[2528] | 392 | IF( iku > 1 ) THEN ! on i-direction (level 2 or more) |
---|
| 393 | ua (ji,jj,iku) = ua(ji,jj,iku) - zhpi(ji,jj,iku) ! subtract old value |
---|
| 394 | zhpi(ji,jj,iku) = zhpi(ji,jj,iku-1) & ! compute the new one |
---|
[6140] | 395 | & + zcoef2 * ( rhd(ji+1,jj,iku-1) - rhd(ji,jj,iku-1) + gru(ji,jj) ) * r1_e1u(ji,jj) |
---|
[2528] | 396 | ua (ji,jj,iku) = ua(ji,jj,iku) + zhpi(ji,jj,iku) ! add the new one to the general momentum trend |
---|
[3] | 397 | ENDIF |
---|
[2528] | 398 | IF( ikv > 1 ) THEN ! on j-direction (level 2 or more) |
---|
| 399 | va (ji,jj,ikv) = va(ji,jj,ikv) - zhpj(ji,jj,ikv) ! subtract old value |
---|
| 400 | zhpj(ji,jj,ikv) = zhpj(ji,jj,ikv-1) & ! compute the new one |
---|
[6140] | 401 | & + zcoef3 * ( rhd(ji,jj+1,ikv-1) - rhd(ji,jj,ikv-1) + grv(ji,jj) ) * r1_e2v(ji,jj) |
---|
[2528] | 402 | va (ji,jj,ikv) = va(ji,jj,ikv) + zhpj(ji,jj,ikv) ! add the new one to the general momentum trend |
---|
[3] | 403 | ENDIF |
---|
| 404 | END DO |
---|
| 405 | END DO |
---|
[503] | 406 | ! |
---|
[6140] | 407 | CALL wrk_dealloc( jpi,jpj,jpk, zhpi, zhpj ) |
---|
[3294] | 408 | ! |
---|
[455] | 409 | END SUBROUTINE hpg_zps |
---|
[216] | 410 | |
---|
[6140] | 411 | |
---|
[455] | 412 | SUBROUTINE hpg_sco( kt ) |
---|
[3] | 413 | !!--------------------------------------------------------------------- |
---|
[455] | 414 | !! *** ROUTINE hpg_sco *** |
---|
[3] | 415 | !! |
---|
[455] | 416 | !! ** Method : s-coordinate case. Jacobian scheme. |
---|
| 417 | !! The now hydrostatic pressure gradient at a given level, jk, |
---|
| 418 | !! is computed by taking the vertical integral of the in-situ |
---|
[3] | 419 | !! density gradient along the model level from the suface to that |
---|
[455] | 420 | !! level. s-coordinates (ln_sco): a corrective term is added |
---|
| 421 | !! to the horizontal pressure gradient : |
---|
| 422 | !! zhpi = grav ..... + 1/e1u mi(rhd) di[ grav dep3w ] |
---|
| 423 | !! zhpj = grav ..... + 1/e2v mj(rhd) dj[ grav dep3w ] |
---|
[3] | 424 | !! add it to the general momentum trend (ua,va). |
---|
[455] | 425 | !! ua = ua - 1/e1u * zhpi |
---|
| 426 | !! va = va - 1/e2v * zhpj |
---|
[3] | 427 | !! |
---|
| 428 | !! ** Action : - Update (ua,va) with the now hydrastatic pressure trend |
---|
[503] | 429 | !!---------------------------------------------------------------------- |
---|
| 430 | INTEGER, INTENT(in) :: kt ! ocean time-step index |
---|
| 431 | !! |
---|
[6152] | 432 | INTEGER :: ji, jj, jk, jii, jjj ! dummy loop indices |
---|
| 433 | REAL(wp) :: zcoef0, zuap, zvap, znad, ztmp ! temporary scalars |
---|
[7646] | 434 | LOGICAL :: ll_tmp1, ll_tmp2 ! local logical variables |
---|
[5120] | 435 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zhpi, zhpj |
---|
[6152] | 436 | REAL(wp), POINTER, DIMENSION(:,:) :: zcpx, zcpy !W/D pressure filter |
---|
[5120] | 437 | !!---------------------------------------------------------------------- |
---|
| 438 | ! |
---|
| 439 | CALL wrk_alloc( jpi,jpj,jpk, zhpi, zhpj ) |
---|
[7646] | 440 | IF( ln_wd ) CALL wrk_alloc( jpi,jpj, zcpx, zcpy ) |
---|
[5120] | 441 | ! |
---|
| 442 | IF( kt == nit000 ) THEN |
---|
| 443 | IF(lwp) WRITE(numout,*) |
---|
| 444 | IF(lwp) WRITE(numout,*) 'dyn:hpg_sco : hydrostatic pressure gradient trend' |
---|
| 445 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~ s-coordinate case, OPA original scheme used' |
---|
| 446 | ENDIF |
---|
[6140] | 447 | ! |
---|
[5120] | 448 | zcoef0 = - grav * 0.5_wp |
---|
[6140] | 449 | IF ( ln_linssh ) THEN ; znad = 0._wp ! Fixed volume: density anomaly |
---|
| 450 | ELSE ; znad = 1._wp ! Variable volume: density |
---|
[5120] | 451 | ENDIF |
---|
[6140] | 452 | ! |
---|
[7646] | 453 | IF( ln_wd ) THEN |
---|
[6152] | 454 | DO jj = 2, jpjm1 |
---|
| 455 | DO ji = 2, jpim1 |
---|
[7646] | 456 | ll_tmp1 = MIN( sshn(ji,jj) , sshn(ji+1,jj) ) > & |
---|
| 457 | & MAX( -ht_wd(ji,jj) , -ht_wd(ji+1,jj) ) .AND. & |
---|
| 458 | & MAX( sshn(ji,jj) + ht_wd(ji,jj), sshn(ji+1,jj) + ht_wd(ji+1,jj) ) & |
---|
| 459 | & > rn_wdmin1 + rn_wdmin2 |
---|
| 460 | ll_tmp2 = ( ABS( sshn(ji,jj) - sshn(ji+1,jj) ) > 1.E-12 ) .AND. ( & |
---|
| 461 | & MAX( sshn(ji,jj) , sshn(ji+1,jj) ) > & |
---|
| 462 | & MAX( -ht_wd(ji,jj) , -ht_wd(ji+1,jj) ) + rn_wdmin1 + rn_wdmin2 ) |
---|
[6152] | 463 | |
---|
[7646] | 464 | IF(ll_tmp1) THEN |
---|
[6152] | 465 | zcpx(ji,jj) = 1.0_wp |
---|
[7646] | 466 | ELSE IF(ll_tmp2) THEN |
---|
| 467 | ! no worries about sshn(ji+1,jj) - sshn(ji ,jj) = 0, it won't happen ! here |
---|
| 468 | zcpx(ji,jj) = ABS( (sshn(ji+1,jj) + ht_wd(ji+1,jj) - sshn(ji,jj) - ht_wd(ji,jj)) & |
---|
| 469 | & / (sshn(ji+1,jj) - sshn(ji ,jj)) ) |
---|
[6152] | 470 | ELSE |
---|
| 471 | zcpx(ji,jj) = 0._wp |
---|
| 472 | END IF |
---|
| 473 | |
---|
[7646] | 474 | ll_tmp1 = MIN( sshn(ji,jj) , sshn(ji,jj+1) ) > & |
---|
| 475 | & MAX( -ht_wd(ji,jj) , -ht_wd(ji,jj+1) ) .AND. & |
---|
| 476 | & MAX( sshn(ji,jj) + ht_wd(ji,jj), sshn(ji,jj+1) + ht_wd(ji,jj+1) ) & |
---|
| 477 | & > rn_wdmin1 + rn_wdmin2 |
---|
| 478 | ll_tmp2 = ( ABS( sshn(ji,jj) - sshn(ji,jj+1) ) > 1.E-12 ) .AND. ( & |
---|
| 479 | & MAX( sshn(ji,jj) , sshn(ji,jj+1) ) > & |
---|
| 480 | & MAX( -ht_wd(ji,jj) , -ht_wd(ji,jj+1) ) + rn_wdmin1 + rn_wdmin2 ) |
---|
[6152] | 481 | |
---|
[7646] | 482 | IF(ll_tmp1) THEN |
---|
[6152] | 483 | zcpy(ji,jj) = 1.0_wp |
---|
[7646] | 484 | ELSE IF(ll_tmp2) THEN |
---|
| 485 | ! no worries about sshn(ji,jj+1) - sshn(ji,jj ) = 0, it won't happen ! here |
---|
| 486 | zcpy(ji,jj) = ABS( (sshn(ji,jj+1) + ht_wd(ji,jj+1) - sshn(ji,jj) - ht_wd(ji,jj)) & |
---|
| 487 | & / (sshn(ji,jj+1) - sshn(ji,jj )) ) |
---|
[6152] | 488 | ELSE |
---|
| 489 | zcpy(ji,jj) = 0._wp |
---|
| 490 | END IF |
---|
| 491 | END DO |
---|
| 492 | END DO |
---|
| 493 | CALL lbc_lnk( zcpx, 'U', 1._wp ) ; CALL lbc_lnk( zcpy, 'V', 1._wp ) |
---|
[7646] | 494 | END IF |
---|
[6152] | 495 | |
---|
[5120] | 496 | ! Surface value |
---|
| 497 | DO jj = 2, jpjm1 |
---|
| 498 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 499 | ! hydrostatic pressure gradient along s-surfaces |
---|
[6140] | 500 | zhpi(ji,jj,1) = zcoef0 * ( e3w_n(ji+1,jj ,1) * ( znad + rhd(ji+1,jj ,1) ) & |
---|
| 501 | & - e3w_n(ji ,jj ,1) * ( znad + rhd(ji ,jj ,1) ) ) * r1_e1u(ji,jj) |
---|
| 502 | zhpj(ji,jj,1) = zcoef0 * ( e3w_n(ji ,jj+1,1) * ( znad + rhd(ji ,jj+1,1) ) & |
---|
| 503 | & - e3w_n(ji ,jj ,1) * ( znad + rhd(ji ,jj ,1) ) ) * r1_e2v(ji,jj) |
---|
[5120] | 504 | ! s-coordinate pressure gradient correction |
---|
[6140] | 505 | zuap = -zcoef0 * ( rhd (ji+1,jj,1) + rhd (ji,jj,1) + 2._wp * znad ) & |
---|
| 506 | & * ( gde3w_n(ji+1,jj,1) - gde3w_n(ji,jj,1) ) * r1_e1u(ji,jj) |
---|
| 507 | zvap = -zcoef0 * ( rhd (ji,jj+1,1) + rhd (ji,jj,1) + 2._wp * znad ) & |
---|
| 508 | & * ( gde3w_n(ji,jj+1,1) - gde3w_n(ji,jj,1) ) * r1_e2v(ji,jj) |
---|
[6152] | 509 | |
---|
| 510 | |
---|
[7646] | 511 | IF( ln_wd ) THEN |
---|
[6152] | 512 | |
---|
| 513 | zhpi(ji,jj,1) = zhpi(ji,jj,1) * zcpx(ji,jj) |
---|
| 514 | zhpj(ji,jj,1) = zhpj(ji,jj,1) * zcpy(ji,jj) |
---|
| 515 | zuap = zuap * zcpx(ji,jj) |
---|
| 516 | zvap = zvap * zcpy(ji,jj) |
---|
| 517 | ENDIF |
---|
| 518 | |
---|
[5120] | 519 | ! add to the general momentum trend |
---|
| 520 | ua(ji,jj,1) = ua(ji,jj,1) + zhpi(ji,jj,1) + zuap |
---|
| 521 | va(ji,jj,1) = va(ji,jj,1) + zhpj(ji,jj,1) + zvap |
---|
| 522 | END DO |
---|
| 523 | END DO |
---|
| 524 | |
---|
| 525 | ! interior value (2=<jk=<jpkm1) |
---|
| 526 | DO jk = 2, jpkm1 |
---|
| 527 | DO jj = 2, jpjm1 |
---|
| 528 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 529 | ! hydrostatic pressure gradient along s-surfaces |
---|
[6140] | 530 | zhpi(ji,jj,jk) = zhpi(ji,jj,jk-1) + zcoef0 * r1_e1u(ji,jj) & |
---|
| 531 | & * ( e3w_n(ji+1,jj,jk) * ( rhd(ji+1,jj,jk) + rhd(ji+1,jj,jk-1) + 2*znad ) & |
---|
| 532 | & - e3w_n(ji ,jj,jk) * ( rhd(ji ,jj,jk) + rhd(ji ,jj,jk-1) + 2*znad ) ) |
---|
| 533 | zhpj(ji,jj,jk) = zhpj(ji,jj,jk-1) + zcoef0 * r1_e2v(ji,jj) & |
---|
| 534 | & * ( e3w_n(ji,jj+1,jk) * ( rhd(ji,jj+1,jk) + rhd(ji,jj+1,jk-1) + 2*znad ) & |
---|
| 535 | & - e3w_n(ji,jj ,jk) * ( rhd(ji,jj, jk) + rhd(ji,jj ,jk-1) + 2*znad ) ) |
---|
[5120] | 536 | ! s-coordinate pressure gradient correction |
---|
[6140] | 537 | zuap = -zcoef0 * ( rhd (ji+1,jj ,jk) + rhd (ji,jj,jk) + 2._wp * znad ) & |
---|
| 538 | & * ( gde3w_n(ji+1,jj ,jk) - gde3w_n(ji,jj,jk) ) * r1_e1u(ji,jj) |
---|
| 539 | zvap = -zcoef0 * ( rhd (ji ,jj+1,jk) + rhd (ji,jj,jk) + 2._wp * znad ) & |
---|
| 540 | & * ( gde3w_n(ji ,jj+1,jk) - gde3w_n(ji,jj,jk) ) * r1_e2v(ji,jj) |
---|
[6152] | 541 | |
---|
[7646] | 542 | IF( ln_wd ) THEN |
---|
[6152] | 543 | zhpi(ji,jj,jk) = zhpi(ji,jj,jk) * zcpx(ji,jj) |
---|
| 544 | zhpj(ji,jj,jk) = zhpj(ji,jj,jk) * zcpy(ji,jj) |
---|
| 545 | zuap = zuap * zcpx(ji,jj) |
---|
| 546 | zvap = zvap * zcpy(ji,jj) |
---|
| 547 | ENDIF |
---|
| 548 | |
---|
[5120] | 549 | ! add to the general momentum trend |
---|
| 550 | ua(ji,jj,jk) = ua(ji,jj,jk) + zhpi(ji,jj,jk) + zuap |
---|
| 551 | va(ji,jj,jk) = va(ji,jj,jk) + zhpj(ji,jj,jk) + zvap |
---|
| 552 | END DO |
---|
| 553 | END DO |
---|
| 554 | END DO |
---|
| 555 | ! |
---|
| 556 | CALL wrk_dealloc( jpi,jpj,jpk, zhpi, zhpj ) |
---|
[7646] | 557 | IF( ln_wd ) CALL wrk_dealloc( jpi,jpj, zcpx, zcpy ) |
---|
[5120] | 558 | ! |
---|
| 559 | END SUBROUTINE hpg_sco |
---|
| 560 | |
---|
[6140] | 561 | |
---|
[5120] | 562 | SUBROUTINE hpg_isf( kt ) |
---|
| 563 | !!--------------------------------------------------------------------- |
---|
[6140] | 564 | !! *** ROUTINE hpg_isf *** |
---|
[5120] | 565 | !! |
---|
| 566 | !! ** Method : s-coordinate case. Jacobian scheme. |
---|
| 567 | !! The now hydrostatic pressure gradient at a given level, jk, |
---|
| 568 | !! is computed by taking the vertical integral of the in-situ |
---|
| 569 | !! density gradient along the model level from the suface to that |
---|
| 570 | !! level. s-coordinates (ln_sco): a corrective term is added |
---|
| 571 | !! to the horizontal pressure gradient : |
---|
| 572 | !! zhpi = grav ..... + 1/e1u mi(rhd) di[ grav dep3w ] |
---|
| 573 | !! zhpj = grav ..... + 1/e2v mj(rhd) dj[ grav dep3w ] |
---|
| 574 | !! add it to the general momentum trend (ua,va). |
---|
| 575 | !! ua = ua - 1/e1u * zhpi |
---|
| 576 | !! va = va - 1/e2v * zhpj |
---|
| 577 | !! iceload is added and partial cell case are added to the top and bottom |
---|
| 578 | !! |
---|
| 579 | !! ** Action : - Update (ua,va) with the now hydrastatic pressure trend |
---|
| 580 | !!---------------------------------------------------------------------- |
---|
| 581 | INTEGER, INTENT(in) :: kt ! ocean time-step index |
---|
| 582 | !! |
---|
[6140] | 583 | INTEGER :: ji, jj, jk, ikt, iktp1i, iktp1j ! dummy loop indices |
---|
| 584 | REAL(wp) :: zcoef0, zuap, zvap, znad ! temporary scalars |
---|
| 585 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zhpi, zhpj |
---|
[4990] | 586 | REAL(wp), POINTER, DIMENSION(:,:,:) :: ztstop |
---|
[6140] | 587 | REAL(wp), POINTER, DIMENSION(:,:) :: zrhdtop_oce |
---|
[3] | 588 | !!---------------------------------------------------------------------- |
---|
[3294] | 589 | ! |
---|
[6140] | 590 | CALL wrk_alloc( jpi,jpj, 2, ztstop) |
---|
| 591 | CALL wrk_alloc( jpi,jpj,jpk, zhpi, zhpj) |
---|
| 592 | CALL wrk_alloc( jpi,jpj, zrhdtop_oce ) |
---|
[3294] | 593 | ! |
---|
[503] | 594 | ! Local constant initialization |
---|
[2528] | 595 | zcoef0 = - grav * 0.5_wp |
---|
[6140] | 596 | |
---|
[592] | 597 | ! To use density and not density anomaly |
---|
[4990] | 598 | znad=1._wp |
---|
[6140] | 599 | |
---|
[4990] | 600 | ! iniitialised to 0. zhpi zhpi |
---|
| 601 | zhpi(:,:,:)=0._wp ; zhpj(:,:,:)=0._wp |
---|
[455] | 602 | |
---|
[4990] | 603 | ! compute rhd at the ice/oce interface (ocean side) |
---|
[6140] | 604 | ! usefull to reduce residual current in the test case ISOMIP with no melting |
---|
[4990] | 605 | DO ji=1,jpi |
---|
| 606 | DO jj=1,jpj |
---|
| 607 | ikt=mikt(ji,jj) |
---|
| 608 | ztstop(ji,jj,1)=tsn(ji,jj,ikt,1) |
---|
| 609 | ztstop(ji,jj,2)=tsn(ji,jj,ikt,2) |
---|
| 610 | END DO |
---|
| 611 | END DO |
---|
[6140] | 612 | CALL eos( ztstop, risfdep, zrhdtop_oce ) |
---|
| 613 | |
---|
| 614 | !================================================================================== |
---|
| 615 | !===== Compute surface value ===================================================== |
---|
| 616 | !================================================================================== |
---|
[455] | 617 | DO jj = 2, jpjm1 |
---|
[3764] | 618 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[6140] | 619 | ikt = mikt(ji,jj) |
---|
| 620 | iktp1i = mikt(ji+1,jj) |
---|
| 621 | iktp1j = mikt(ji,jj+1) |
---|
[4990] | 622 | ! hydrostatic pressure gradient along s-surfaces and ice shelf pressure |
---|
| 623 | ! we assume ISF is in isostatic equilibrium |
---|
[6140] | 624 | zhpi(ji,jj,1) = zcoef0 / e1u(ji,jj) * ( 0.5_wp * e3w_n(ji+1,jj,iktp1i) & |
---|
| 625 | & * ( 2._wp * znad + rhd(ji+1,jj,iktp1i) + zrhdtop_oce(ji+1,jj) ) & |
---|
| 626 | & - 0.5_wp * e3w_n(ji,jj,ikt) & |
---|
| 627 | & * ( 2._wp * znad + rhd(ji,jj,ikt) + zrhdtop_oce(ji,jj) ) & |
---|
| 628 | & + ( riceload(ji+1,jj) - riceload(ji,jj)) ) |
---|
| 629 | zhpj(ji,jj,1) = zcoef0 / e2v(ji,jj) * ( 0.5_wp * e3w_n(ji,jj+1,iktp1j) & |
---|
| 630 | & * ( 2._wp * znad + rhd(ji,jj+1,iktp1j) + zrhdtop_oce(ji,jj+1) ) & |
---|
| 631 | & - 0.5_wp * e3w_n(ji,jj,ikt) & |
---|
| 632 | & * ( 2._wp * znad + rhd(ji,jj,ikt) + zrhdtop_oce(ji,jj) ) & |
---|
| 633 | & + ( riceload(ji,jj+1) - riceload(ji,jj)) ) |
---|
[4990] | 634 | ! s-coordinate pressure gradient correction (=0 if z coordinate) |
---|
[6140] | 635 | zuap = -zcoef0 * ( rhd (ji+1,jj,1) + rhd (ji,jj,1) + 2._wp * znad ) & |
---|
| 636 | & * ( gde3w_n(ji+1,jj,1) - gde3w_n(ji,jj,1) ) * r1_e1u(ji,jj) |
---|
| 637 | zvap = -zcoef0 * ( rhd (ji,jj+1,1) + rhd (ji,jj,1) + 2._wp * znad ) & |
---|
| 638 | & * ( gde3w_n(ji,jj+1,1) - gde3w_n(ji,jj,1) ) * r1_e2v(ji,jj) |
---|
[455] | 639 | ! add to the general momentum trend |
---|
[4990] | 640 | ua(ji,jj,1) = ua(ji,jj,1) + (zhpi(ji,jj,1) + zuap) * umask(ji,jj,1) |
---|
| 641 | va(ji,jj,1) = va(ji,jj,1) + (zhpj(ji,jj,1) + zvap) * vmask(ji,jj,1) |
---|
[3764] | 642 | END DO |
---|
| 643 | END DO |
---|
[4990] | 644 | !================================================================================== |
---|
| 645 | !===== Compute interior value ===================================================== |
---|
| 646 | !================================================================================== |
---|
[6140] | 647 | ! interior value (2=<jk=<jpkm1) |
---|
| 648 | DO jk = 2, jpkm1 |
---|
| 649 | DO jj = 2, jpjm1 |
---|
| 650 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[455] | 651 | ! hydrostatic pressure gradient along s-surfaces |
---|
[6140] | 652 | zhpi(ji,jj,jk) = zhpi(ji,jj,jk-1) + zcoef0 / e1u(ji,jj) & |
---|
| 653 | & * ( e3w_n(ji+1,jj,jk) * ( rhd(ji+1,jj,jk) + rhd(ji+1,jj,jk-1) + 2*znad ) * wmask(ji+1,jj,jk) & |
---|
| 654 | & - e3w_n(ji ,jj,jk) * ( rhd(ji ,jj,jk) + rhd(ji ,jj,jk-1) + 2*znad ) * wmask(ji ,jj,jk) ) |
---|
| 655 | zhpj(ji,jj,jk) = zhpj(ji,jj,jk-1) + zcoef0 / e2v(ji,jj) & |
---|
| 656 | & * ( e3w_n(ji,jj+1,jk) * ( rhd(ji,jj+1,jk) + rhd(ji,jj+1,jk-1) + 2*znad ) * wmask(ji,jj+1,jk) & |
---|
| 657 | & - e3w_n(ji,jj ,jk) * ( rhd(ji,jj, jk) + rhd(ji,jj ,jk-1) + 2*znad ) * wmask(ji,jj ,jk) ) |
---|
[455] | 658 | ! s-coordinate pressure gradient correction |
---|
[6140] | 659 | zuap = -zcoef0 * ( rhd (ji+1,jj ,jk) + rhd (ji,jj,jk) + 2._wp * znad ) & |
---|
| 660 | & * ( gde3w_n(ji+1,jj ,jk) - gde3w_n(ji,jj,jk) ) / e1u(ji,jj) |
---|
| 661 | zvap = -zcoef0 * ( rhd (ji ,jj+1,jk) + rhd (ji,jj,jk) + 2._wp * znad ) & |
---|
| 662 | & * ( gde3w_n(ji ,jj+1,jk) - gde3w_n(ji,jj,jk) ) / e2v(ji,jj) |
---|
[455] | 663 | ! add to the general momentum trend |
---|
[6140] | 664 | ua(ji,jj,jk) = ua(ji,jj,jk) + (zhpi(ji,jj,jk) + zuap) * umask(ji,jj,jk) |
---|
| 665 | va(ji,jj,jk) = va(ji,jj,jk) + (zhpj(ji,jj,jk) + zvap) * vmask(ji,jj,jk) |
---|
[455] | 666 | END DO |
---|
| 667 | END DO |
---|
| 668 | END DO |
---|
[6140] | 669 | ! |
---|
| 670 | CALL wrk_dealloc( jpi,jpj,2 , ztstop) |
---|
| 671 | CALL wrk_dealloc( jpi,jpj,jpk, zhpi, zhpj) |
---|
| 672 | CALL wrk_dealloc( jpi,jpj , zrhdtop_oce ) |
---|
[503] | 673 | ! |
---|
[5120] | 674 | END SUBROUTINE hpg_isf |
---|
[455] | 675 | |
---|
[4990] | 676 | |
---|
[455] | 677 | SUBROUTINE hpg_djc( kt ) |
---|
| 678 | !!--------------------------------------------------------------------- |
---|
| 679 | !! *** ROUTINE hpg_djc *** |
---|
| 680 | !! |
---|
| 681 | !! ** Method : Density Jacobian with Cubic polynomial scheme |
---|
[3764] | 682 | !! |
---|
[503] | 683 | !! Reference: Shchepetkin and McWilliams, J. Geophys. Res., 108(C3), 3090, 2003 |
---|
[455] | 684 | !!---------------------------------------------------------------------- |
---|
[503] | 685 | INTEGER, INTENT(in) :: kt ! ocean time-step index |
---|
| 686 | !! |
---|
| 687 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
| 688 | REAL(wp) :: zcoef0, zep, cffw ! temporary scalars |
---|
| 689 | REAL(wp) :: z1_10, cffu, cffx ! " " |
---|
| 690 | REAL(wp) :: z1_12, cffv, cffy ! " " |
---|
[6152] | 691 | LOGICAL :: ll_tmp1, ll_tmp2 ! local logical variables |
---|
[3764] | 692 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zhpi, zhpj |
---|
[3294] | 693 | REAL(wp), POINTER, DIMENSION(:,:,:) :: dzx, dzy, dzz, dzu, dzv, dzw |
---|
| 694 | REAL(wp), POINTER, DIMENSION(:,:,:) :: drhox, drhoy, drhoz, drhou, drhov, drhow |
---|
| 695 | REAL(wp), POINTER, DIMENSION(:,:,:) :: rho_i, rho_j, rho_k |
---|
[6152] | 696 | REAL(wp), POINTER, DIMENSION(:,:) :: zcpx, zcpy !W/D pressure filter |
---|
[455] | 697 | !!---------------------------------------------------------------------- |
---|
[3294] | 698 | ! |
---|
[3764] | 699 | CALL wrk_alloc( jpi, jpj, jpk, dzx , dzy , dzz , dzu , dzv , dzw ) |
---|
| 700 | CALL wrk_alloc( jpi, jpj, jpk, drhox, drhoy, drhoz, drhou, drhov, drhow ) |
---|
| 701 | CALL wrk_alloc( jpi, jpj, jpk, rho_i, rho_j, rho_k, zhpi, zhpj ) |
---|
[7646] | 702 | IF( ln_wd ) CALL wrk_alloc( jpi,jpj, zcpx, zcpy ) |
---|
[3294] | 703 | ! |
---|
[6152] | 704 | ! |
---|
[7646] | 705 | IF( ln_wd ) THEN |
---|
[6152] | 706 | DO jj = 2, jpjm1 |
---|
| 707 | DO ji = 2, jpim1 |
---|
[7646] | 708 | ll_tmp1 = MIN( sshn(ji,jj) , sshn(ji+1,jj) ) > & |
---|
| 709 | & MAX( -ht_wd(ji,jj) , -ht_wd(ji+1,jj) ) .AND. & |
---|
| 710 | & MAX( sshn(ji,jj) + ht_wd(ji,jj), sshn(ji+1,jj) + ht_wd(ji+1,jj) ) & |
---|
| 711 | & > rn_wdmin1 + rn_wdmin2 |
---|
| 712 | ll_tmp2 = ( ABS( sshn(ji,jj) - sshn(ji+1,jj) ) > 1.E-12 ) .AND. ( & |
---|
| 713 | & MAX( sshn(ji,jj) , sshn(ji+1,jj) ) > & |
---|
| 714 | & MAX( -ht_wd(ji,jj) , -ht_wd(ji+1,jj) ) + rn_wdmin1 + rn_wdmin2 ) |
---|
[455] | 715 | |
---|
[6152] | 716 | IF(ll_tmp1) THEN |
---|
| 717 | zcpx(ji,jj) = 1.0_wp |
---|
| 718 | ELSE IF(ll_tmp2) THEN |
---|
[7646] | 719 | ! no worries about sshn(ji+1,jj) - sshn(ji ,jj) = 0, it won't happen ! here |
---|
| 720 | zcpx(ji,jj) = ABS( (sshn(ji+1,jj) + ht_wd(ji+1,jj) - sshn(ji,jj) - ht_wd(ji,jj)) & |
---|
| 721 | & / (sshn(ji+1,jj) - sshn(ji ,jj)) ) |
---|
[6152] | 722 | ELSE |
---|
| 723 | zcpx(ji,jj) = 0._wp |
---|
| 724 | END IF |
---|
| 725 | |
---|
[7646] | 726 | ll_tmp1 = MIN( sshn(ji,jj) , sshn(ji,jj+1) ) > & |
---|
| 727 | & MAX( -ht_wd(ji,jj) , -ht_wd(ji,jj+1) ) .AND. & |
---|
| 728 | & MAX( sshn(ji,jj) + ht_wd(ji,jj), sshn(ji,jj+1) + ht_wd(ji,jj+1) ) & |
---|
| 729 | & > rn_wdmin1 + rn_wdmin2 |
---|
| 730 | ll_tmp2 = ( ABS( sshn(ji,jj) - sshn(ji,jj+1) ) > 1.E-12 ) .AND. ( & |
---|
| 731 | & MAX( sshn(ji,jj) , sshn(ji,jj+1) ) > & |
---|
| 732 | & MAX( -ht_wd(ji,jj) , -ht_wd(ji,jj+1) ) + rn_wdmin1 + rn_wdmin2 ) |
---|
[6152] | 733 | |
---|
| 734 | IF(ll_tmp1) THEN |
---|
| 735 | zcpy(ji,jj) = 1.0_wp |
---|
| 736 | ELSE IF(ll_tmp2) THEN |
---|
[7646] | 737 | ! no worries about sshn(ji,jj+1) - sshn(ji,jj ) = 0, it won't happen ! here |
---|
| 738 | zcpy(ji,jj) = ABS( (sshn(ji,jj+1) + ht_wd(ji,jj+1) - sshn(ji,jj) - ht_wd(ji,jj)) & |
---|
| 739 | & / (sshn(ji,jj+1) - sshn(ji,jj )) ) |
---|
[6152] | 740 | ELSE |
---|
| 741 | zcpy(ji,jj) = 0._wp |
---|
| 742 | END IF |
---|
| 743 | END DO |
---|
| 744 | END DO |
---|
| 745 | CALL lbc_lnk( zcpx, 'U', 1._wp ) ; CALL lbc_lnk( zcpy, 'V', 1._wp ) |
---|
[7646] | 746 | END IF |
---|
[6152] | 747 | |
---|
[455] | 748 | IF( kt == nit000 ) THEN |
---|
| 749 | IF(lwp) WRITE(numout,*) |
---|
| 750 | IF(lwp) WRITE(numout,*) 'dyn:hpg_djc : hydrostatic pressure gradient trend' |
---|
| 751 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~ s-coordinate case, density Jacobian with cubic polynomial scheme' |
---|
[216] | 752 | ENDIF |
---|
| 753 | |
---|
[503] | 754 | ! Local constant initialization |
---|
[2528] | 755 | zcoef0 = - grav * 0.5_wp |
---|
| 756 | z1_10 = 1._wp / 10._wp |
---|
| 757 | z1_12 = 1._wp / 12._wp |
---|
[455] | 758 | |
---|
| 759 | !---------------------------------------------------------------------------------------- |
---|
| 760 | ! compute and store in provisional arrays elementary vertical and horizontal differences |
---|
| 761 | !---------------------------------------------------------------------------------------- |
---|
| 762 | |
---|
| 763 | !!bug gm Not a true bug, but... dzz=e3w for dzx, dzy verify what it is really |
---|
| 764 | |
---|
| 765 | DO jk = 2, jpkm1 |
---|
| 766 | DO jj = 2, jpjm1 |
---|
| 767 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[6140] | 768 | drhoz(ji,jj,jk) = rhd (ji ,jj ,jk) - rhd (ji,jj,jk-1) |
---|
| 769 | dzz (ji,jj,jk) = gde3w_n(ji ,jj ,jk) - gde3w_n(ji,jj,jk-1) |
---|
| 770 | drhox(ji,jj,jk) = rhd (ji+1,jj ,jk) - rhd (ji,jj,jk ) |
---|
| 771 | dzx (ji,jj,jk) = gde3w_n(ji+1,jj ,jk) - gde3w_n(ji,jj,jk ) |
---|
| 772 | drhoy(ji,jj,jk) = rhd (ji ,jj+1,jk) - rhd (ji,jj,jk ) |
---|
| 773 | dzy (ji,jj,jk) = gde3w_n(ji ,jj+1,jk) - gde3w_n(ji,jj,jk ) |
---|
[455] | 774 | END DO |
---|
| 775 | END DO |
---|
| 776 | END DO |
---|
| 777 | |
---|
| 778 | !------------------------------------------------------------------------- |
---|
| 779 | ! compute harmonic averages using eq. 5.18 |
---|
| 780 | !------------------------------------------------------------------------- |
---|
| 781 | zep = 1.e-15 |
---|
| 782 | |
---|
[503] | 783 | !!bug gm drhoz not defined at level 1 and used (jk-1 with jk=2) |
---|
| 784 | !!bug gm idem for drhox, drhoy et ji=jpi and jj=jpj |
---|
[455] | 785 | |
---|
| 786 | DO jk = 2, jpkm1 |
---|
| 787 | DO jj = 2, jpjm1 |
---|
| 788 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[2528] | 789 | cffw = 2._wp * drhoz(ji ,jj ,jk) * drhoz(ji,jj,jk-1) |
---|
[455] | 790 | |
---|
[2528] | 791 | cffu = 2._wp * drhox(ji+1,jj ,jk) * drhox(ji,jj,jk ) |
---|
| 792 | cffx = 2._wp * dzx (ji+1,jj ,jk) * dzx (ji,jj,jk ) |
---|
[3764] | 793 | |
---|
[2528] | 794 | cffv = 2._wp * drhoy(ji ,jj+1,jk) * drhoy(ji,jj,jk ) |
---|
| 795 | cffy = 2._wp * dzy (ji ,jj+1,jk) * dzy (ji,jj,jk ) |
---|
[455] | 796 | |
---|
| 797 | IF( cffw > zep) THEN |
---|
[2528] | 798 | drhow(ji,jj,jk) = 2._wp * drhoz(ji,jj,jk) * drhoz(ji,jj,jk-1) & |
---|
| 799 | & / ( drhoz(ji,jj,jk) + drhoz(ji,jj,jk-1) ) |
---|
[455] | 800 | ELSE |
---|
[2528] | 801 | drhow(ji,jj,jk) = 0._wp |
---|
[455] | 802 | ENDIF |
---|
| 803 | |
---|
[2528] | 804 | dzw(ji,jj,jk) = 2._wp * dzz(ji,jj,jk) * dzz(ji,jj,jk-1) & |
---|
| 805 | & / ( dzz(ji,jj,jk) + dzz(ji,jj,jk-1) ) |
---|
[455] | 806 | |
---|
| 807 | IF( cffu > zep ) THEN |
---|
[2528] | 808 | drhou(ji,jj,jk) = 2._wp * drhox(ji+1,jj,jk) * drhox(ji,jj,jk) & |
---|
| 809 | & / ( drhox(ji+1,jj,jk) + drhox(ji,jj,jk) ) |
---|
[455] | 810 | ELSE |
---|
[2528] | 811 | drhou(ji,jj,jk ) = 0._wp |
---|
[455] | 812 | ENDIF |
---|
| 813 | |
---|
| 814 | IF( cffx > zep ) THEN |
---|
[2528] | 815 | dzu(ji,jj,jk) = 2._wp * dzx(ji+1,jj,jk) * dzx(ji,jj,jk) & |
---|
| 816 | & / ( dzx(ji+1,jj,jk) + dzx(ji,jj,jk) ) |
---|
[455] | 817 | ELSE |
---|
[2528] | 818 | dzu(ji,jj,jk) = 0._wp |
---|
[455] | 819 | ENDIF |
---|
| 820 | |
---|
| 821 | IF( cffv > zep ) THEN |
---|
[2528] | 822 | drhov(ji,jj,jk) = 2._wp * drhoy(ji,jj+1,jk) * drhoy(ji,jj,jk) & |
---|
| 823 | & / ( drhoy(ji,jj+1,jk) + drhoy(ji,jj,jk) ) |
---|
[455] | 824 | ELSE |
---|
[2528] | 825 | drhov(ji,jj,jk) = 0._wp |
---|
[455] | 826 | ENDIF |
---|
| 827 | |
---|
| 828 | IF( cffy > zep ) THEN |
---|
[2528] | 829 | dzv(ji,jj,jk) = 2._wp * dzy(ji,jj+1,jk) * dzy(ji,jj,jk) & |
---|
| 830 | & / ( dzy(ji,jj+1,jk) + dzy(ji,jj,jk) ) |
---|
[455] | 831 | ELSE |
---|
[2528] | 832 | dzv(ji,jj,jk) = 0._wp |
---|
[455] | 833 | ENDIF |
---|
| 834 | |
---|
| 835 | END DO |
---|
| 836 | END DO |
---|
| 837 | END DO |
---|
| 838 | |
---|
| 839 | !---------------------------------------------------------------------------------- |
---|
| 840 | ! apply boundary conditions at top and bottom using 5.36-5.37 |
---|
| 841 | !---------------------------------------------------------------------------------- |
---|
[2528] | 842 | drhow(:,:, 1 ) = 1.5_wp * ( drhoz(:,:, 2 ) - drhoz(:,:, 1 ) ) - 0.5_wp * drhow(:,:, 2 ) |
---|
| 843 | drhou(:,:, 1 ) = 1.5_wp * ( drhox(:,:, 2 ) - drhox(:,:, 1 ) ) - 0.5_wp * drhou(:,:, 2 ) |
---|
| 844 | drhov(:,:, 1 ) = 1.5_wp * ( drhoy(:,:, 2 ) - drhoy(:,:, 1 ) ) - 0.5_wp * drhov(:,:, 2 ) |
---|
[455] | 845 | |
---|
[2528] | 846 | drhow(:,:,jpk) = 1.5_wp * ( drhoz(:,:,jpk) - drhoz(:,:,jpkm1) ) - 0.5_wp * drhow(:,:,jpkm1) |
---|
| 847 | drhou(:,:,jpk) = 1.5_wp * ( drhox(:,:,jpk) - drhox(:,:,jpkm1) ) - 0.5_wp * drhou(:,:,jpkm1) |
---|
| 848 | drhov(:,:,jpk) = 1.5_wp * ( drhoy(:,:,jpk) - drhoy(:,:,jpkm1) ) - 0.5_wp * drhov(:,:,jpkm1) |
---|
[455] | 849 | |
---|
| 850 | |
---|
| 851 | !-------------------------------------------------------------- |
---|
| 852 | ! Upper half of top-most grid box, compute and store |
---|
| 853 | !------------------------------------------------------------- |
---|
| 854 | |
---|
[6140] | 855 | !!bug gm : e3w-gde3w = 0.5*e3w .... and gde3w(2)-gde3w(1)=e3w(2) .... to be verified |
---|
| 856 | ! true if gde3w is really defined as the sum of the e3w scale factors as, it seems to me, it should be |
---|
[455] | 857 | |
---|
| 858 | DO jj = 2, jpjm1 |
---|
| 859 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[6140] | 860 | rho_k(ji,jj,1) = -grav * ( e3w_n(ji,jj,1) - gde3w_n(ji,jj,1) ) & |
---|
| 861 | & * ( rhd(ji,jj,1) & |
---|
| 862 | & + 0.5_wp * ( rhd (ji,jj,2) - rhd (ji,jj,1) ) & |
---|
| 863 | & * ( e3w_n (ji,jj,1) - gde3w_n(ji,jj,1) ) & |
---|
| 864 | & / ( gde3w_n(ji,jj,2) - gde3w_n(ji,jj,1) ) ) |
---|
[455] | 865 | END DO |
---|
| 866 | END DO |
---|
| 867 | |
---|
| 868 | !!bug gm : here also, simplification is possible |
---|
| 869 | !!bug gm : optimisation: 1/10 and 1/12 the division should be done before the loop |
---|
| 870 | |
---|
| 871 | DO jk = 2, jpkm1 |
---|
| 872 | DO jj = 2, jpjm1 |
---|
| 873 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 874 | |
---|
[6140] | 875 | rho_k(ji,jj,jk) = zcoef0 * ( rhd (ji,jj,jk) + rhd (ji,jj,jk-1) ) & |
---|
| 876 | & * ( gde3w_n(ji,jj,jk) - gde3w_n(ji,jj,jk-1) ) & |
---|
| 877 | & - grav * z1_10 * ( & |
---|
| 878 | & ( drhow (ji,jj,jk) - drhow (ji,jj,jk-1) ) & |
---|
| 879 | & * ( gde3w_n(ji,jj,jk) - gde3w_n(ji,jj,jk-1) - z1_12 * ( dzw (ji,jj,jk) + dzw (ji,jj,jk-1) ) ) & |
---|
| 880 | & - ( dzw (ji,jj,jk) - dzw (ji,jj,jk-1) ) & |
---|
| 881 | & * ( rhd (ji,jj,jk) - rhd (ji,jj,jk-1) - z1_12 * ( drhow(ji,jj,jk) + drhow(ji,jj,jk-1) ) ) & |
---|
[455] | 882 | & ) |
---|
| 883 | |
---|
[6140] | 884 | rho_i(ji,jj,jk) = zcoef0 * ( rhd (ji+1,jj,jk) + rhd (ji,jj,jk) ) & |
---|
| 885 | & * ( gde3w_n(ji+1,jj,jk) - gde3w_n(ji,jj,jk) ) & |
---|
| 886 | & - grav* z1_10 * ( & |
---|
| 887 | & ( drhou (ji+1,jj,jk) - drhou (ji,jj,jk) ) & |
---|
| 888 | & * ( gde3w_n(ji+1,jj,jk) - gde3w_n(ji,jj,jk) - z1_12 * ( dzu (ji+1,jj,jk) + dzu (ji,jj,jk) ) ) & |
---|
| 889 | & - ( dzu (ji+1,jj,jk) - dzu (ji,jj,jk) ) & |
---|
| 890 | & * ( rhd (ji+1,jj,jk) - rhd (ji,jj,jk) - z1_12 * ( drhou(ji+1,jj,jk) + drhou(ji,jj,jk) ) ) & |
---|
[455] | 891 | & ) |
---|
| 892 | |
---|
[6140] | 893 | rho_j(ji,jj,jk) = zcoef0 * ( rhd (ji,jj+1,jk) + rhd (ji,jj,jk) ) & |
---|
| 894 | & * ( gde3w_n(ji,jj+1,jk) - gde3w_n(ji,jj,jk) ) & |
---|
| 895 | & - grav* z1_10 * ( & |
---|
| 896 | & ( drhov (ji,jj+1,jk) - drhov (ji,jj,jk) ) & |
---|
| 897 | & * ( gde3w_n(ji,jj+1,jk) - gde3w_n(ji,jj,jk) - z1_12 * ( dzv (ji,jj+1,jk) + dzv (ji,jj,jk) ) ) & |
---|
| 898 | & - ( dzv (ji,jj+1,jk) - dzv (ji,jj,jk) ) & |
---|
| 899 | & * ( rhd (ji,jj+1,jk) - rhd (ji,jj,jk) - z1_12 * ( drhov(ji,jj+1,jk) + drhov(ji,jj,jk) ) ) & |
---|
[455] | 900 | & ) |
---|
| 901 | |
---|
| 902 | END DO |
---|
| 903 | END DO |
---|
| 904 | END DO |
---|
| 905 | CALL lbc_lnk(rho_k,'W',1.) |
---|
| 906 | CALL lbc_lnk(rho_i,'U',1.) |
---|
| 907 | CALL lbc_lnk(rho_j,'V',1.) |
---|
| 908 | |
---|
| 909 | |
---|
| 910 | ! --------------- |
---|
| 911 | ! Surface value |
---|
| 912 | ! --------------- |
---|
| 913 | DO jj = 2, jpjm1 |
---|
| 914 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[6140] | 915 | zhpi(ji,jj,1) = ( rho_k(ji+1,jj ,1) - rho_k(ji,jj,1) - rho_i(ji,jj,1) ) * r1_e1u(ji,jj) |
---|
| 916 | zhpj(ji,jj,1) = ( rho_k(ji ,jj+1,1) - rho_k(ji,jj,1) - rho_j(ji,jj,1) ) * r1_e2v(ji,jj) |
---|
[7646] | 917 | IF( ln_wd ) THEN |
---|
[6152] | 918 | zhpi(ji,jj,1) = zhpi(ji,jj,1) * zcpx(ji,jj) |
---|
| 919 | zhpj(ji,jj,1) = zhpj(ji,jj,1) * zcpy(ji,jj) |
---|
| 920 | ENDIF |
---|
[455] | 921 | ! add to the general momentum trend |
---|
| 922 | ua(ji,jj,1) = ua(ji,jj,1) + zhpi(ji,jj,1) |
---|
| 923 | va(ji,jj,1) = va(ji,jj,1) + zhpj(ji,jj,1) |
---|
| 924 | END DO |
---|
| 925 | END DO |
---|
| 926 | |
---|
| 927 | ! ---------------- |
---|
| 928 | ! interior value (2=<jk=<jpkm1) |
---|
| 929 | ! ---------------- |
---|
| 930 | DO jk = 2, jpkm1 |
---|
[3764] | 931 | DO jj = 2, jpjm1 |
---|
[455] | 932 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 933 | ! hydrostatic pressure gradient along s-surfaces |
---|
| 934 | zhpi(ji,jj,jk) = zhpi(ji,jj,jk-1) & |
---|
| 935 | & + ( ( rho_k(ji+1,jj,jk) - rho_k(ji,jj,jk ) ) & |
---|
[6140] | 936 | & - ( rho_i(ji ,jj,jk) - rho_i(ji,jj,jk-1) ) ) * r1_e1u(ji,jj) |
---|
[455] | 937 | zhpj(ji,jj,jk) = zhpj(ji,jj,jk-1) & |
---|
| 938 | & + ( ( rho_k(ji,jj+1,jk) - rho_k(ji,jj,jk ) ) & |
---|
[6140] | 939 | & -( rho_j(ji,jj ,jk) - rho_j(ji,jj,jk-1) ) ) * r1_e2v(ji,jj) |
---|
[7646] | 940 | IF( ln_wd ) THEN |
---|
[6152] | 941 | zhpi(ji,jj,jk) = zhpi(ji,jj,jk) * zcpx(ji,jj) |
---|
| 942 | zhpj(ji,jj,jk) = zhpj(ji,jj,jk) * zcpy(ji,jj) |
---|
| 943 | ENDIF |
---|
[455] | 944 | ! add to the general momentum trend |
---|
| 945 | ua(ji,jj,jk) = ua(ji,jj,jk) + zhpi(ji,jj,jk) |
---|
| 946 | va(ji,jj,jk) = va(ji,jj,jk) + zhpj(ji,jj,jk) |
---|
| 947 | END DO |
---|
| 948 | END DO |
---|
| 949 | END DO |
---|
[503] | 950 | ! |
---|
[3764] | 951 | CALL wrk_dealloc( jpi, jpj, jpk, dzx , dzy , dzz , dzu , dzv , dzw ) |
---|
| 952 | CALL wrk_dealloc( jpi, jpj, jpk, drhox, drhoy, drhoz, drhou, drhov, drhow ) |
---|
| 953 | CALL wrk_dealloc( jpi, jpj, jpk, rho_i, rho_j, rho_k, zhpi, zhpj ) |
---|
[7646] | 954 | IF( ln_wd ) CALL wrk_dealloc( jpi,jpj, zcpx, zcpy ) |
---|
[2715] | 955 | ! |
---|
[455] | 956 | END SUBROUTINE hpg_djc |
---|
| 957 | |
---|
| 958 | |
---|
[3294] | 959 | SUBROUTINE hpg_prj( kt ) |
---|
[455] | 960 | !!--------------------------------------------------------------------- |
---|
[3294] | 961 | !! *** ROUTINE hpg_prj *** |
---|
[455] | 962 | !! |
---|
[3294] | 963 | !! ** Method : s-coordinate case. |
---|
| 964 | !! A Pressure-Jacobian horizontal pressure gradient method |
---|
| 965 | !! based on the constrained cubic-spline interpolation for |
---|
| 966 | !! all vertical coordinate systems |
---|
[455] | 967 | !! |
---|
[3294] | 968 | !! ** Action : - Update (ua,va) with the now hydrastatic pressure trend |
---|
[455] | 969 | !!---------------------------------------------------------------------- |
---|
[3294] | 970 | INTEGER, PARAMETER :: polynomial_type = 1 ! 1: cubic spline, 2: linear |
---|
| 971 | INTEGER, INTENT(in) :: kt ! ocean time-step index |
---|
[503] | 972 | !! |
---|
[3294] | 973 | INTEGER :: ji, jj, jk, jkk ! dummy loop indices |
---|
[6140] | 974 | REAL(wp) :: zcoef0, znad ! local scalars |
---|
| 975 | ! |
---|
[3294] | 976 | !! The local variables for the correction term |
---|
| 977 | INTEGER :: jk1, jis, jid, jjs, jjd |
---|
[6152] | 978 | LOGICAL :: ll_tmp1, ll_tmp2 ! local logical variables |
---|
[3294] | 979 | REAL(wp) :: zuijk, zvijk, zpwes, zpwed, zpnss, zpnsd, zdeps |
---|
[3764] | 980 | REAL(wp) :: zrhdt1 |
---|
[3294] | 981 | REAL(wp) :: zdpdx1, zdpdx2, zdpdy1, zdpdy2 |
---|
[3764] | 982 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zdept, zrhh |
---|
[3294] | 983 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zhpi, zu, zv, fsp, xsp, asp, bsp, csp, dsp |
---|
[5224] | 984 | REAL(wp), POINTER, DIMENSION(:,:) :: zsshu_n, zsshv_n |
---|
[6152] | 985 | REAL(wp), POINTER, DIMENSION(:,:) :: zcpx, zcpy !W/D pressure filter |
---|
[455] | 986 | !!---------------------------------------------------------------------- |
---|
[3294] | 987 | ! |
---|
[6140] | 988 | CALL wrk_alloc( jpi,jpj,jpk, zhpi, zu, zv, fsp, xsp, asp, bsp, csp, dsp ) |
---|
| 989 | CALL wrk_alloc( jpi,jpj,jpk, zdept, zrhh ) |
---|
| 990 | CALL wrk_alloc( jpi,jpj, zsshu_n, zsshv_n ) |
---|
[7646] | 991 | IF( ln_wd ) CALL wrk_alloc( jpi,jpj, zcpx, zcpy ) |
---|
[3294] | 992 | ! |
---|
[455] | 993 | IF( kt == nit000 ) THEN |
---|
| 994 | IF(lwp) WRITE(numout,*) |
---|
[3294] | 995 | IF(lwp) WRITE(numout,*) 'dyn:hpg_prj : hydrostatic pressure gradient trend' |
---|
| 996 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~ s-coordinate case, cubic spline pressure Jacobian' |
---|
[3] | 997 | ENDIF |
---|
| 998 | |
---|
[3294] | 999 | ! Local constant initialization |
---|
[3764] | 1000 | zcoef0 = - grav |
---|
[6140] | 1001 | znad = 1._wp |
---|
| 1002 | IF( ln_linssh ) znad = 0._wp |
---|
[3] | 1003 | |
---|
[7646] | 1004 | IF( ln_wd ) THEN |
---|
[6152] | 1005 | DO jj = 2, jpjm1 |
---|
| 1006 | DO ji = 2, jpim1 |
---|
[7646] | 1007 | ll_tmp1 = MIN( sshn(ji,jj) , sshn(ji+1,jj) ) > & |
---|
| 1008 | & MAX( -ht_wd(ji,jj) , -ht_wd(ji+1,jj) ) .AND. & |
---|
| 1009 | & MAX( sshn(ji,jj) + ht_wd(ji,jj), sshn(ji+1,jj) + ht_wd(ji+1,jj) ) & |
---|
| 1010 | & > rn_wdmin1 + rn_wdmin2 |
---|
| 1011 | ll_tmp2 = ( ABS( sshn(ji,jj) - sshn(ji+1,jj) ) > 1.E-12 ) .AND. ( & |
---|
| 1012 | & MAX( sshn(ji,jj) , sshn(ji+1,jj) ) > & |
---|
| 1013 | & MAX( -ht_wd(ji,jj) , -ht_wd(ji+1,jj) ) + rn_wdmin1 + rn_wdmin2 ) |
---|
[6152] | 1014 | |
---|
| 1015 | IF(ll_tmp1) THEN |
---|
| 1016 | zcpx(ji,jj) = 1.0_wp |
---|
| 1017 | ELSE IF(ll_tmp2) THEN |
---|
[7646] | 1018 | ! no worries about sshn(ji+1,jj) - sshn(ji ,jj) = 0, it won't happen ! here |
---|
| 1019 | zcpx(ji,jj) = ABS( (sshn(ji+1,jj) + ht_wd(ji+1,jj) - sshn(ji,jj) - ht_wd(ji,jj)) & |
---|
| 1020 | & / (sshn(ji+1,jj) - sshn(ji ,jj)) ) |
---|
[6152] | 1021 | ELSE |
---|
| 1022 | zcpx(ji,jj) = 0._wp |
---|
| 1023 | END IF |
---|
| 1024 | |
---|
[7646] | 1025 | ll_tmp1 = MIN( sshn(ji,jj) , sshn(ji,jj+1) ) > & |
---|
| 1026 | & MAX( -ht_wd(ji,jj) , -ht_wd(ji,jj+1) ) .AND. & |
---|
| 1027 | & MAX( sshn(ji,jj) + ht_wd(ji,jj), sshn(ji,jj+1) + ht_wd(ji,jj+1) ) & |
---|
| 1028 | & > rn_wdmin1 + rn_wdmin2 |
---|
| 1029 | ll_tmp2 = ( ABS( sshn(ji,jj) - sshn(ji,jj+1) ) > 1.E-12 ) .AND. ( & |
---|
| 1030 | & MAX( sshn(ji,jj) , sshn(ji,jj+1) ) > & |
---|
| 1031 | & MAX( -ht_wd(ji,jj) , -ht_wd(ji,jj+1) ) + rn_wdmin1 + rn_wdmin2 ) |
---|
[6152] | 1032 | |
---|
[7646] | 1033 | IF(ll_tmp1) THEN |
---|
[6152] | 1034 | zcpy(ji,jj) = 1.0_wp |
---|
| 1035 | ELSE IF(ll_tmp2) THEN |
---|
[7646] | 1036 | ! no worries about sshn(ji,jj+1) - sshn(ji,jj ) = 0, it won't happen ! here |
---|
| 1037 | zcpy(ji,jj) = ABS( (sshn(ji,jj+1) + ht_wd(ji,jj+1) - sshn(ji,jj) - ht_wd(ji,jj)) & |
---|
| 1038 | & / (sshn(ji,jj+1) - sshn(ji,jj )) ) |
---|
[6152] | 1039 | ELSE |
---|
| 1040 | zcpy(ji,jj) = 0._wp |
---|
| 1041 | END IF |
---|
| 1042 | END DO |
---|
| 1043 | END DO |
---|
| 1044 | CALL lbc_lnk( zcpx, 'U', 1._wp ) ; CALL lbc_lnk( zcpy, 'V', 1._wp ) |
---|
[7646] | 1045 | END IF |
---|
[6152] | 1046 | |
---|
[3294] | 1047 | ! Clean 3-D work arrays |
---|
| 1048 | zhpi(:,:,:) = 0._wp |
---|
| 1049 | zrhh(:,:,:) = rhd(:,:,:) |
---|
[3764] | 1050 | |
---|
[3294] | 1051 | ! Preparing vertical density profile "zrhh(:,:,:)" for hybrid-sco coordinate |
---|
| 1052 | DO jj = 1, jpj |
---|
[3764] | 1053 | DO ji = 1, jpi |
---|
[7646] | 1054 | jk = mbkt(ji,jj)+1 |
---|
[6140] | 1055 | IF( jk <= 0 ) THEN ; zrhh(ji,jj, : ) = 0._wp |
---|
| 1056 | ELSEIF( jk == 1 ) THEN ; zrhh(ji,jj,jk+1:jpk) = rhd(ji,jj,jk) |
---|
| 1057 | ELSEIF( jk < jpkm1 ) THEN |
---|
[3294] | 1058 | DO jkk = jk+1, jpk |
---|
[6140] | 1059 | zrhh(ji,jj,jkk) = interp1(gde3w_n(ji,jj,jkk ), gde3w_n(ji,jj,jkk-1), & |
---|
| 1060 | & gde3w_n(ji,jj,jkk-2), rhd (ji,jj,jkk-1), rhd(ji,jj,jkk-2)) |
---|
[3764] | 1061 | END DO |
---|
[3294] | 1062 | ENDIF |
---|
| 1063 | END DO |
---|
| 1064 | END DO |
---|
[3] | 1065 | |
---|
[3632] | 1066 | ! Transfer the depth of "T(:,:,:)" to vertical coordinate "zdept(:,:,:)" |
---|
[4990] | 1067 | DO jj = 1, jpj |
---|
| 1068 | DO ji = 1, jpi |
---|
[6140] | 1069 | zdept(ji,jj,1) = 0.5_wp * e3w_n(ji,jj,1) - sshn(ji,jj) * znad |
---|
[4990] | 1070 | END DO |
---|
| 1071 | END DO |
---|
[455] | 1072 | |
---|
[4990] | 1073 | DO jk = 2, jpk |
---|
| 1074 | DO jj = 1, jpj |
---|
| 1075 | DO ji = 1, jpi |
---|
[6140] | 1076 | zdept(ji,jj,jk) = zdept(ji,jj,jk-1) + e3w_n(ji,jj,jk) |
---|
[4990] | 1077 | END DO |
---|
| 1078 | END DO |
---|
| 1079 | END DO |
---|
[455] | 1080 | |
---|
[4990] | 1081 | fsp(:,:,:) = zrhh (:,:,:) |
---|
[3632] | 1082 | xsp(:,:,:) = zdept(:,:,:) |
---|
| 1083 | |
---|
[3764] | 1084 | ! Construct the vertical density profile with the |
---|
[3294] | 1085 | ! constrained cubic spline interpolation |
---|
| 1086 | ! rho(z) = asp + bsp*z + csp*z^2 + dsp*z^3 |
---|
[6140] | 1087 | CALL cspline( fsp, xsp, asp, bsp, csp, dsp, polynomial_type ) |
---|
[3294] | 1088 | |
---|
| 1089 | ! Integrate the hydrostatic pressure "zhpi(:,:,:)" at "T(ji,jj,1)" |
---|
| 1090 | DO jj = 2, jpj |
---|
[3764] | 1091 | DO ji = 2, jpi |
---|
[6140] | 1092 | zrhdt1 = zrhh(ji,jj,1) - interp3( zdept(ji,jj,1), asp(ji,jj,1), bsp(ji,jj,1), & |
---|
| 1093 | & csp(ji,jj,1), dsp(ji,jj,1) ) * 0.25_wp * e3w_n(ji,jj,1) |
---|
[3294] | 1094 | |
---|
| 1095 | ! assuming linear profile across the top half surface layer |
---|
[6140] | 1096 | zhpi(ji,jj,1) = 0.5_wp * e3w_n(ji,jj,1) * zrhdt1 |
---|
[3294] | 1097 | END DO |
---|
[455] | 1098 | END DO |
---|
| 1099 | |
---|
[3294] | 1100 | ! Calculate the pressure "zhpi(:,:,:)" at "T(ji,jj,2:jpkm1)" |
---|
[3764] | 1101 | DO jk = 2, jpkm1 |
---|
| 1102 | DO jj = 2, jpj |
---|
[3294] | 1103 | DO ji = 2, jpi |
---|
[6140] | 1104 | zhpi(ji,jj,jk) = zhpi(ji,jj,jk-1) + & |
---|
| 1105 | & integ_spline( zdept(ji,jj,jk-1), zdept(ji,jj,jk), & |
---|
| 1106 | & asp (ji,jj,jk-1), bsp (ji,jj,jk-1), & |
---|
| 1107 | & csp (ji,jj,jk-1), dsp (ji,jj,jk-1) ) |
---|
[3294] | 1108 | END DO |
---|
| 1109 | END DO |
---|
[455] | 1110 | END DO |
---|
| 1111 | |
---|
[3294] | 1112 | ! Z coordinate of U(ji,jj,1:jpkm1) and V(ji,jj,1:jpkm1) |
---|
[5224] | 1113 | |
---|
| 1114 | ! Prepare zsshu_n and zsshv_n |
---|
[3764] | 1115 | DO jj = 2, jpjm1 |
---|
| 1116 | DO ji = 2, jpim1 |
---|
[6140] | 1117 | !!gm BUG ? if it is ssh at u- & v-point then it should be: |
---|
| 1118 | ! zsshu_n(ji,jj) = (e1e2t(ji,jj) * sshn(ji,jj) + e1e2t(ji+1,jj) * sshn(ji+1,jj)) * & |
---|
| 1119 | ! & r1_e1e2u(ji,jj) * umask(ji,jj,1) * 0.5_wp |
---|
| 1120 | ! zsshv_n(ji,jj) = (e1e2t(ji,jj) * sshn(ji,jj) + e1e2t(ji,jj+1) * sshn(ji,jj+1)) * & |
---|
| 1121 | ! & r1_e1e2v(ji,jj) * vmask(ji,jj,1) * 0.5_wp |
---|
| 1122 | !!gm not this: |
---|
[5836] | 1123 | zsshu_n(ji,jj) = (e1e2u(ji,jj) * sshn(ji,jj) + e1e2u(ji+1, jj) * sshn(ji+1,jj)) * & |
---|
| 1124 | & r1_e1e2u(ji,jj) * umask(ji,jj,1) * 0.5_wp |
---|
| 1125 | zsshv_n(ji,jj) = (e1e2v(ji,jj) * sshn(ji,jj) + e1e2v(ji+1, jj) * sshn(ji,jj+1)) * & |
---|
| 1126 | & r1_e1e2v(ji,jj) * vmask(ji,jj,1) * 0.5_wp |
---|
[3294] | 1127 | END DO |
---|
[455] | 1128 | END DO |
---|
| 1129 | |
---|
[6152] | 1130 | CALL lbc_lnk (zsshu_n, 'U', 1.) |
---|
| 1131 | CALL lbc_lnk (zsshv_n, 'V', 1.) |
---|
| 1132 | |
---|
[5224] | 1133 | DO jj = 2, jpjm1 |
---|
| 1134 | DO ji = 2, jpim1 |
---|
[6140] | 1135 | zu(ji,jj,1) = - ( e3u_n(ji,jj,1) - zsshu_n(ji,jj) * znad) |
---|
| 1136 | zv(ji,jj,1) = - ( e3v_n(ji,jj,1) - zsshv_n(ji,jj) * znad) |
---|
[5224] | 1137 | END DO |
---|
| 1138 | END DO |
---|
| 1139 | |
---|
[3764] | 1140 | DO jk = 2, jpkm1 |
---|
| 1141 | DO jj = 2, jpjm1 |
---|
| 1142 | DO ji = 2, jpim1 |
---|
[6140] | 1143 | zu(ji,jj,jk) = zu(ji,jj,jk-1) - e3u_n(ji,jj,jk) |
---|
| 1144 | zv(ji,jj,jk) = zv(ji,jj,jk-1) - e3v_n(ji,jj,jk) |
---|
[3294] | 1145 | END DO |
---|
| 1146 | END DO |
---|
[455] | 1147 | END DO |
---|
[3764] | 1148 | |
---|
| 1149 | DO jk = 1, jpkm1 |
---|
| 1150 | DO jj = 2, jpjm1 |
---|
| 1151 | DO ji = 2, jpim1 |
---|
[6140] | 1152 | zu(ji,jj,jk) = zu(ji,jj,jk) + 0.5_wp * e3u_n(ji,jj,jk) |
---|
| 1153 | zv(ji,jj,jk) = zv(ji,jj,jk) + 0.5_wp * e3v_n(ji,jj,jk) |
---|
[3294] | 1154 | END DO |
---|
| 1155 | END DO |
---|
| 1156 | END DO |
---|
[455] | 1157 | |
---|
[3632] | 1158 | DO jk = 1, jpkm1 |
---|
| 1159 | DO jj = 2, jpjm1 |
---|
| 1160 | DO ji = 2, jpim1 |
---|
[6140] | 1161 | zu(ji,jj,jk) = MIN( zu(ji,jj,jk) , MAX( -zdept(ji,jj,jk) , -zdept(ji+1,jj,jk) ) ) |
---|
| 1162 | zu(ji,jj,jk) = MAX( zu(ji,jj,jk) , MIN( -zdept(ji,jj,jk) , -zdept(ji+1,jj,jk) ) ) |
---|
| 1163 | zv(ji,jj,jk) = MIN( zv(ji,jj,jk) , MAX( -zdept(ji,jj,jk) , -zdept(ji,jj+1,jk) ) ) |
---|
| 1164 | zv(ji,jj,jk) = MAX( zv(ji,jj,jk) , MIN( -zdept(ji,jj,jk) , -zdept(ji,jj+1,jk) ) ) |
---|
[3632] | 1165 | END DO |
---|
| 1166 | END DO |
---|
| 1167 | END DO |
---|
| 1168 | |
---|
| 1169 | |
---|
[3764] | 1170 | DO jk = 1, jpkm1 |
---|
| 1171 | DO jj = 2, jpjm1 |
---|
| 1172 | DO ji = 2, jpim1 |
---|
[3294] | 1173 | zpwes = 0._wp; zpwed = 0._wp |
---|
| 1174 | zpnss = 0._wp; zpnsd = 0._wp |
---|
| 1175 | zuijk = zu(ji,jj,jk) |
---|
| 1176 | zvijk = zv(ji,jj,jk) |
---|
| 1177 | |
---|
| 1178 | !!!!! for u equation |
---|
| 1179 | IF( jk <= mbku(ji,jj) ) THEN |
---|
[3632] | 1180 | IF( -zdept(ji+1,jj,jk) >= -zdept(ji,jj,jk) ) THEN |
---|
[3294] | 1181 | jis = ji + 1; jid = ji |
---|
| 1182 | ELSE |
---|
| 1183 | jis = ji; jid = ji +1 |
---|
| 1184 | ENDIF |
---|
| 1185 | |
---|
| 1186 | ! integrate the pressure on the shallow side |
---|
[3764] | 1187 | jk1 = jk |
---|
[3632] | 1188 | DO WHILE ( -zdept(jis,jj,jk1) > zuijk ) |
---|
[3294] | 1189 | IF( jk1 == mbku(ji,jj) ) THEN |
---|
[3632] | 1190 | zuijk = -zdept(jis,jj,jk1) |
---|
[3294] | 1191 | EXIT |
---|
| 1192 | ENDIF |
---|
[3632] | 1193 | zdeps = MIN(zdept(jis,jj,jk1+1), -zuijk) |
---|
[3764] | 1194 | zpwes = zpwes + & |
---|
[3632] | 1195 | integ_spline(zdept(jis,jj,jk1), zdeps, & |
---|
[3294] | 1196 | asp(jis,jj,jk1), bsp(jis,jj,jk1), & |
---|
| 1197 | csp(jis,jj,jk1), dsp(jis,jj,jk1)) |
---|
| 1198 | jk1 = jk1 + 1 |
---|
| 1199 | END DO |
---|
[3764] | 1200 | |
---|
[3294] | 1201 | ! integrate the pressure on the deep side |
---|
[3764] | 1202 | jk1 = jk |
---|
[3632] | 1203 | DO WHILE ( -zdept(jid,jj,jk1) < zuijk ) |
---|
[3294] | 1204 | IF( jk1 == 1 ) THEN |
---|
[3632] | 1205 | zdeps = zdept(jid,jj,1) + MIN(zuijk, sshn(jid,jj)*znad) |
---|
| 1206 | zrhdt1 = zrhh(jid,jj,1) - interp3(zdept(jid,jj,1), asp(jid,jj,1), & |
---|
| 1207 | bsp(jid,jj,1), csp(jid,jj,1), & |
---|
| 1208 | dsp(jid,jj,1)) * zdeps |
---|
| 1209 | zpwed = zpwed + 0.5_wp * (zrhh(jid,jj,1) + zrhdt1) * zdeps |
---|
[3294] | 1210 | EXIT |
---|
| 1211 | ENDIF |
---|
[3632] | 1212 | zdeps = MAX(zdept(jid,jj,jk1-1), -zuijk) |
---|
[3764] | 1213 | zpwed = zpwed + & |
---|
[3632] | 1214 | integ_spline(zdeps, zdept(jid,jj,jk1), & |
---|
[3294] | 1215 | asp(jid,jj,jk1-1), bsp(jid,jj,jk1-1), & |
---|
| 1216 | csp(jid,jj,jk1-1), dsp(jid,jj,jk1-1) ) |
---|
| 1217 | jk1 = jk1 - 1 |
---|
| 1218 | END DO |
---|
[3764] | 1219 | |
---|
[3294] | 1220 | ! update the momentum trends in u direction |
---|
| 1221 | |
---|
[6140] | 1222 | zdpdx1 = zcoef0 * r1_e1u(ji,jj) * ( zhpi(ji+1,jj,jk) - zhpi(ji,jj,jk) ) |
---|
| 1223 | IF( .NOT.ln_linssh ) THEN |
---|
| 1224 | zdpdx2 = zcoef0 * r1_e1u(ji,jj) * & |
---|
| 1225 | & ( REAL(jis-jid, wp) * (zpwes + zpwed) + (sshn(ji+1,jj)-sshn(ji,jj)) ) |
---|
[3294] | 1226 | ELSE |
---|
[6140] | 1227 | zdpdx2 = zcoef0 * r1_e1u(ji,jj) * REAL(jis-jid, wp) * (zpwes + zpwed) |
---|
[3294] | 1228 | ENDIF |
---|
[7646] | 1229 | IF( ln_wd ) THEN |
---|
[6152] | 1230 | zdpdx1 = zdpdx1 * zcpx(ji,jj) |
---|
| 1231 | zdpdx2 = zdpdx2 * zcpx(ji,jj) |
---|
| 1232 | ENDIF |
---|
| 1233 | ua(ji,jj,jk) = ua(ji,jj,jk) + (zdpdx1 + zdpdx2) * umask(ji,jj,jk) |
---|
[3294] | 1234 | ENDIF |
---|
[3764] | 1235 | |
---|
[3294] | 1236 | !!!!! for v equation |
---|
| 1237 | IF( jk <= mbkv(ji,jj) ) THEN |
---|
[3632] | 1238 | IF( -zdept(ji,jj+1,jk) >= -zdept(ji,jj,jk) ) THEN |
---|
[3294] | 1239 | jjs = jj + 1; jjd = jj |
---|
| 1240 | ELSE |
---|
| 1241 | jjs = jj ; jjd = jj + 1 |
---|
| 1242 | ENDIF |
---|
| 1243 | |
---|
| 1244 | ! integrate the pressure on the shallow side |
---|
[3764] | 1245 | jk1 = jk |
---|
[3632] | 1246 | DO WHILE ( -zdept(ji,jjs,jk1) > zvijk ) |
---|
[3294] | 1247 | IF( jk1 == mbkv(ji,jj) ) THEN |
---|
[3632] | 1248 | zvijk = -zdept(ji,jjs,jk1) |
---|
[3294] | 1249 | EXIT |
---|
| 1250 | ENDIF |
---|
[3632] | 1251 | zdeps = MIN(zdept(ji,jjs,jk1+1), -zvijk) |
---|
[3764] | 1252 | zpnss = zpnss + & |
---|
[3632] | 1253 | integ_spline(zdept(ji,jjs,jk1), zdeps, & |
---|
[3294] | 1254 | asp(ji,jjs,jk1), bsp(ji,jjs,jk1), & |
---|
| 1255 | csp(ji,jjs,jk1), dsp(ji,jjs,jk1) ) |
---|
| 1256 | jk1 = jk1 + 1 |
---|
| 1257 | END DO |
---|
[3764] | 1258 | |
---|
[3294] | 1259 | ! integrate the pressure on the deep side |
---|
[3764] | 1260 | jk1 = jk |
---|
[3632] | 1261 | DO WHILE ( -zdept(ji,jjd,jk1) < zvijk ) |
---|
[3294] | 1262 | IF( jk1 == 1 ) THEN |
---|
[3632] | 1263 | zdeps = zdept(ji,jjd,1) + MIN(zvijk, sshn(ji,jjd)*znad) |
---|
| 1264 | zrhdt1 = zrhh(ji,jjd,1) - interp3(zdept(ji,jjd,1), asp(ji,jjd,1), & |
---|
| 1265 | bsp(ji,jjd,1), csp(ji,jjd,1), & |
---|
| 1266 | dsp(ji,jjd,1) ) * zdeps |
---|
| 1267 | zpnsd = zpnsd + 0.5_wp * (zrhh(ji,jjd,1) + zrhdt1) * zdeps |
---|
[3294] | 1268 | EXIT |
---|
| 1269 | ENDIF |
---|
[3632] | 1270 | zdeps = MAX(zdept(ji,jjd,jk1-1), -zvijk) |
---|
[3764] | 1271 | zpnsd = zpnsd + & |
---|
[3632] | 1272 | integ_spline(zdeps, zdept(ji,jjd,jk1), & |
---|
[3294] | 1273 | asp(ji,jjd,jk1-1), bsp(ji,jjd,jk1-1), & |
---|
| 1274 | csp(ji,jjd,jk1-1), dsp(ji,jjd,jk1-1) ) |
---|
| 1275 | jk1 = jk1 - 1 |
---|
| 1276 | END DO |
---|
| 1277 | |
---|
[3764] | 1278 | |
---|
[3294] | 1279 | ! update the momentum trends in v direction |
---|
| 1280 | |
---|
[6140] | 1281 | zdpdy1 = zcoef0 * r1_e2v(ji,jj) * ( zhpi(ji,jj+1,jk) - zhpi(ji,jj,jk) ) |
---|
| 1282 | IF( .NOT.ln_linssh ) THEN |
---|
| 1283 | zdpdy2 = zcoef0 * r1_e2v(ji,jj) * & |
---|
| 1284 | ( REAL(jjs-jjd, wp) * (zpnss + zpnsd) + (sshn(ji,jj+1)-sshn(ji,jj)) ) |
---|
[3294] | 1285 | ELSE |
---|
[6140] | 1286 | zdpdy2 = zcoef0 * r1_e2v(ji,jj) * REAL(jjs-jjd, wp) * (zpnss + zpnsd ) |
---|
[3294] | 1287 | ENDIF |
---|
[7646] | 1288 | IF( ln_wd ) THEN |
---|
[6152] | 1289 | zdpdy1 = zdpdy1 * zcpy(ji,jj) |
---|
| 1290 | zdpdy2 = zdpdy2 * zcpy(ji,jj) |
---|
| 1291 | ENDIF |
---|
| 1292 | |
---|
| 1293 | va(ji,jj,jk) = va(ji,jj,jk) + (zdpdy1 + zdpdy2) * vmask(ji,jj,jk) |
---|
[3294] | 1294 | ENDIF |
---|
[6140] | 1295 | ! |
---|
| 1296 | END DO |
---|
| 1297 | END DO |
---|
[455] | 1298 | END DO |
---|
[503] | 1299 | ! |
---|
[6140] | 1300 | CALL wrk_dealloc( jpi,jpj,jpk, zhpi, zu, zv, fsp, xsp, asp, bsp, csp, dsp ) |
---|
| 1301 | CALL wrk_dealloc( jpi,jpj,jpk, zdept, zrhh ) |
---|
| 1302 | CALL wrk_dealloc( jpi,jpj, zsshu_n, zsshv_n ) |
---|
[7646] | 1303 | IF( ln_wd ) CALL wrk_dealloc( jpi,jpj, zcpx, zcpy ) |
---|
[2715] | 1304 | ! |
---|
[3294] | 1305 | END SUBROUTINE hpg_prj |
---|
[455] | 1306 | |
---|
[4990] | 1307 | |
---|
[6140] | 1308 | SUBROUTINE cspline( fsp, xsp, asp, bsp, csp, dsp, polynomial_type ) |
---|
[3294] | 1309 | !!---------------------------------------------------------------------- |
---|
| 1310 | !! *** ROUTINE cspline *** |
---|
[3764] | 1311 | !! |
---|
[3294] | 1312 | !! ** Purpose : constrained cubic spline interpolation |
---|
[3764] | 1313 | !! |
---|
| 1314 | !! ** Method : f(x) = asp + bsp*x + csp*x^2 + dsp*x^3 |
---|
[4990] | 1315 | !! |
---|
[3294] | 1316 | !! Reference: CJC Kruger, Constrained Cubic Spline Interpoltation |
---|
| 1317 | !!---------------------------------------------------------------------- |
---|
[6140] | 1318 | REAL(wp), DIMENSION(:,:,:), INTENT(in ) :: fsp, xsp ! value and coordinate |
---|
| 1319 | REAL(wp), DIMENSION(:,:,:), INTENT( out) :: asp, bsp, csp, dsp ! coefficients of the interpoated function |
---|
| 1320 | INTEGER , INTENT(in ) :: polynomial_type ! 1: cubic spline ; 2: Linear |
---|
[4990] | 1321 | ! |
---|
[3294] | 1322 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
| 1323 | INTEGER :: jpi, jpj, jpkm1 |
---|
| 1324 | REAL(wp) :: zdf1, zdf2, zddf1, zddf2, ztmp1, ztmp2, zdxtmp |
---|
| 1325 | REAL(wp) :: zdxtmp1, zdxtmp2, zalpha |
---|
| 1326 | REAL(wp) :: zdf(size(fsp,3)) |
---|
| 1327 | !!---------------------------------------------------------------------- |
---|
[6140] | 1328 | ! |
---|
| 1329 | !!gm WHAT !!!!! THIS IS VERY DANGEROUS !!!!! |
---|
[3294] | 1330 | jpi = size(fsp,1) |
---|
| 1331 | jpj = size(fsp,2) |
---|
[7761] | 1332 | jpkm1 = MAX( 1, size(fsp,3) - 1 ) |
---|
[6140] | 1333 | ! |
---|
[3294] | 1334 | IF (polynomial_type == 1) THEN ! Constrained Cubic Spline |
---|
| 1335 | DO ji = 1, jpi |
---|
| 1336 | DO jj = 1, jpj |
---|
[3764] | 1337 | !!Fritsch&Butland's method, 1984 (preferred, but more computation) |
---|
[3294] | 1338 | ! DO jk = 2, jpkm1-1 |
---|
[3764] | 1339 | ! zdxtmp1 = xsp(ji,jj,jk) - xsp(ji,jj,jk-1) |
---|
| 1340 | ! zdxtmp2 = xsp(ji,jj,jk+1) - xsp(ji,jj,jk) |
---|
[3294] | 1341 | ! zdf1 = ( fsp(ji,jj,jk) - fsp(ji,jj,jk-1) ) / zdxtmp1 |
---|
| 1342 | ! zdf2 = ( fsp(ji,jj,jk+1) - fsp(ji,jj,jk) ) / zdxtmp2 |
---|
| 1343 | ! |
---|
| 1344 | ! zalpha = ( zdxtmp1 + 2._wp * zdxtmp2 ) / ( zdxtmp1 + zdxtmp2 ) / 3._wp |
---|
[3764] | 1345 | ! |
---|
[3294] | 1346 | ! IF(zdf1 * zdf2 <= 0._wp) THEN |
---|
| 1347 | ! zdf(jk) = 0._wp |
---|
| 1348 | ! ELSE |
---|
| 1349 | ! zdf(jk) = zdf1 * zdf2 / ( ( 1._wp - zalpha ) * zdf1 + zalpha * zdf2 ) |
---|
| 1350 | ! ENDIF |
---|
| 1351 | ! END DO |
---|
[3764] | 1352 | |
---|
[3294] | 1353 | !!Simply geometric average |
---|
| 1354 | DO jk = 2, jpkm1-1 |
---|
| 1355 | zdf1 = (fsp(ji,jj,jk) - fsp(ji,jj,jk-1)) / (xsp(ji,jj,jk) - xsp(ji,jj,jk-1)) |
---|
| 1356 | zdf2 = (fsp(ji,jj,jk+1) - fsp(ji,jj,jk)) / (xsp(ji,jj,jk+1) - xsp(ji,jj,jk)) |
---|
[3764] | 1357 | |
---|
[3294] | 1358 | IF(zdf1 * zdf2 <= 0._wp) THEN |
---|
| 1359 | zdf(jk) = 0._wp |
---|
| 1360 | ELSE |
---|
| 1361 | zdf(jk) = 2._wp * zdf1 * zdf2 / (zdf1 + zdf2) |
---|
| 1362 | ENDIF |
---|
| 1363 | END DO |
---|
[3764] | 1364 | |
---|
[3294] | 1365 | zdf(1) = 1.5_wp * ( fsp(ji,jj,2) - fsp(ji,jj,1) ) / & |
---|
[6140] | 1366 | & ( xsp(ji,jj,2) - xsp(ji,jj,1) ) - 0.5_wp * zdf(2) |
---|
[3294] | 1367 | zdf(jpkm1) = 1.5_wp * ( fsp(ji,jj,jpkm1) - fsp(ji,jj,jpkm1-1) ) / & |
---|
[6140] | 1368 | & ( xsp(ji,jj,jpkm1) - xsp(ji,jj,jpkm1-1) ) - 0.5_wp * zdf(jpkm1 - 1) |
---|
[3764] | 1369 | |
---|
[3294] | 1370 | DO jk = 1, jpkm1 - 1 |
---|
[3764] | 1371 | zdxtmp = xsp(ji,jj,jk+1) - xsp(ji,jj,jk) |
---|
[3294] | 1372 | ztmp1 = (zdf(jk+1) + 2._wp * zdf(jk)) / zdxtmp |
---|
| 1373 | ztmp2 = 6._wp * (fsp(ji,jj,jk+1) - fsp(ji,jj,jk)) / zdxtmp / zdxtmp |
---|
[3764] | 1374 | zddf1 = -2._wp * ztmp1 + ztmp2 |
---|
[3294] | 1375 | ztmp1 = (2._wp * zdf(jk+1) + zdf(jk)) / zdxtmp |
---|
[3764] | 1376 | zddf2 = 2._wp * ztmp1 - ztmp2 |
---|
| 1377 | |
---|
[3294] | 1378 | dsp(ji,jj,jk) = (zddf2 - zddf1) / 6._wp / zdxtmp |
---|
| 1379 | csp(ji,jj,jk) = ( xsp(ji,jj,jk+1) * zddf1 - xsp(ji,jj,jk)*zddf2 ) / 2._wp / zdxtmp |
---|
[3764] | 1380 | bsp(ji,jj,jk) = ( fsp(ji,jj,jk+1) - fsp(ji,jj,jk) ) / zdxtmp - & |
---|
[3294] | 1381 | & csp(ji,jj,jk) * ( xsp(ji,jj,jk+1) + xsp(ji,jj,jk) ) - & |
---|
| 1382 | & dsp(ji,jj,jk) * ((xsp(ji,jj,jk+1) + xsp(ji,jj,jk))**2 - & |
---|
| 1383 | & xsp(ji,jj,jk+1) * xsp(ji,jj,jk)) |
---|
| 1384 | asp(ji,jj,jk) = fsp(ji,jj,jk) - xsp(ji,jj,jk) * (bsp(ji,jj,jk) + & |
---|
| 1385 | & (xsp(ji,jj,jk) * (csp(ji,jj,jk) + & |
---|
| 1386 | & dsp(ji,jj,jk) * xsp(ji,jj,jk)))) |
---|
| 1387 | END DO |
---|
| 1388 | END DO |
---|
| 1389 | END DO |
---|
[3764] | 1390 | |
---|
[6140] | 1391 | ELSEIF ( polynomial_type == 2 ) THEN ! Linear |
---|
[3294] | 1392 | DO ji = 1, jpi |
---|
| 1393 | DO jj = 1, jpj |
---|
| 1394 | DO jk = 1, jpkm1-1 |
---|
[3764] | 1395 | zdxtmp =xsp(ji,jj,jk+1) - xsp(ji,jj,jk) |
---|
[3294] | 1396 | ztmp1 = fsp(ji,jj,jk+1) - fsp(ji,jj,jk) |
---|
[3764] | 1397 | |
---|
[3294] | 1398 | dsp(ji,jj,jk) = 0._wp |
---|
| 1399 | csp(ji,jj,jk) = 0._wp |
---|
| 1400 | bsp(ji,jj,jk) = ztmp1 / zdxtmp |
---|
| 1401 | asp(ji,jj,jk) = fsp(ji,jj,jk) - bsp(ji,jj,jk) * xsp(ji,jj,jk) |
---|
| 1402 | END DO |
---|
| 1403 | END DO |
---|
| 1404 | END DO |
---|
| 1405 | |
---|
| 1406 | ELSE |
---|
| 1407 | CALL ctl_stop( 'invalid polynomial type in cspline' ) |
---|
| 1408 | ENDIF |
---|
| 1409 | |
---|
| 1410 | END SUBROUTINE cspline |
---|
| 1411 | |
---|
| 1412 | |
---|
[3764] | 1413 | FUNCTION interp1(x, xl, xr, fl, fr) RESULT(f) |
---|
[3294] | 1414 | !!---------------------------------------------------------------------- |
---|
| 1415 | !! *** ROUTINE interp1 *** |
---|
[3764] | 1416 | !! |
---|
[3294] | 1417 | !! ** Purpose : 1-d linear interpolation |
---|
[3764] | 1418 | !! |
---|
[4990] | 1419 | !! ** Method : interpolation is straight forward |
---|
[3764] | 1420 | !! extrapolation is also permitted (no value limit) |
---|
[3294] | 1421 | !!---------------------------------------------------------------------- |
---|
[3764] | 1422 | REAL(wp), INTENT(in) :: x, xl, xr, fl, fr |
---|
[3294] | 1423 | REAL(wp) :: f ! result of the interpolation (extrapolation) |
---|
| 1424 | REAL(wp) :: zdeltx |
---|
| 1425 | !!---------------------------------------------------------------------- |
---|
[6140] | 1426 | ! |
---|
[3294] | 1427 | zdeltx = xr - xl |
---|
[6140] | 1428 | IF( abs(zdeltx) <= 10._wp * EPSILON(x) ) THEN |
---|
| 1429 | f = 0.5_wp * (fl + fr) |
---|
[3294] | 1430 | ELSE |
---|
[6140] | 1431 | f = ( (x - xl ) * fr - ( x - xr ) * fl ) / zdeltx |
---|
[3294] | 1432 | ENDIF |
---|
[6140] | 1433 | ! |
---|
[3294] | 1434 | END FUNCTION interp1 |
---|
| 1435 | |
---|
[4990] | 1436 | |
---|
[6140] | 1437 | FUNCTION interp2( x, a, b, c, d ) RESULT(f) |
---|
[3294] | 1438 | !!---------------------------------------------------------------------- |
---|
| 1439 | !! *** ROUTINE interp1 *** |
---|
[3764] | 1440 | !! |
---|
[3294] | 1441 | !! ** Purpose : 1-d constrained cubic spline interpolation |
---|
[3764] | 1442 | !! |
---|
[3294] | 1443 | !! ** Method : cubic spline interpolation |
---|
| 1444 | !! |
---|
| 1445 | !!---------------------------------------------------------------------- |
---|
[3764] | 1446 | REAL(wp), INTENT(in) :: x, a, b, c, d |
---|
[3294] | 1447 | REAL(wp) :: f ! value from the interpolation |
---|
| 1448 | !!---------------------------------------------------------------------- |
---|
[6140] | 1449 | ! |
---|
[3764] | 1450 | f = a + x* ( b + x * ( c + d * x ) ) |
---|
[6140] | 1451 | ! |
---|
[3294] | 1452 | END FUNCTION interp2 |
---|
| 1453 | |
---|
| 1454 | |
---|
[6140] | 1455 | FUNCTION interp3( x, a, b, c, d ) RESULT(f) |
---|
[3294] | 1456 | !!---------------------------------------------------------------------- |
---|
| 1457 | !! *** ROUTINE interp1 *** |
---|
[3764] | 1458 | !! |
---|
[3294] | 1459 | !! ** Purpose : Calculate the first order of deriavtive of |
---|
| 1460 | !! a cubic spline function y=a+b*x+c*x^2+d*x^3 |
---|
[3764] | 1461 | !! |
---|
[3294] | 1462 | !! ** Method : f=dy/dx=b+2*c*x+3*d*x^2 |
---|
| 1463 | !! |
---|
| 1464 | !!---------------------------------------------------------------------- |
---|
[3764] | 1465 | REAL(wp), INTENT(in) :: x, a, b, c, d |
---|
[3294] | 1466 | REAL(wp) :: f ! value from the interpolation |
---|
| 1467 | !!---------------------------------------------------------------------- |
---|
[6140] | 1468 | ! |
---|
[3294] | 1469 | f = b + x * ( 2._wp * c + 3._wp * d * x) |
---|
[6140] | 1470 | ! |
---|
[3294] | 1471 | END FUNCTION interp3 |
---|
| 1472 | |
---|
[3764] | 1473 | |
---|
[6140] | 1474 | FUNCTION integ_spline( xl, xr, a, b, c, d ) RESULT(f) |
---|
[3294] | 1475 | !!---------------------------------------------------------------------- |
---|
| 1476 | !! *** ROUTINE interp1 *** |
---|
[3764] | 1477 | !! |
---|
[3294] | 1478 | !! ** Purpose : 1-d constrained cubic spline integration |
---|
| 1479 | !! |
---|
[3764] | 1480 | !! ** Method : integrate polynomial a+bx+cx^2+dx^3 from xl to xr |
---|
| 1481 | !! |
---|
[3294] | 1482 | !!---------------------------------------------------------------------- |
---|
[3764] | 1483 | REAL(wp), INTENT(in) :: xl, xr, a, b, c, d |
---|
| 1484 | REAL(wp) :: za1, za2, za3 |
---|
[3294] | 1485 | REAL(wp) :: f ! integration result |
---|
| 1486 | !!---------------------------------------------------------------------- |
---|
[6140] | 1487 | ! |
---|
[3764] | 1488 | za1 = 0.5_wp * b |
---|
| 1489 | za2 = c / 3.0_wp |
---|
| 1490 | za3 = 0.25_wp * d |
---|
[6140] | 1491 | ! |
---|
[3294] | 1492 | f = xr * ( a + xr * ( za1 + xr * ( za2 + za3 * xr ) ) ) - & |
---|
| 1493 | & xl * ( a + xl * ( za1 + xl * ( za2 + za3 * xl ) ) ) |
---|
[6140] | 1494 | ! |
---|
[3632] | 1495 | END FUNCTION integ_spline |
---|
[3294] | 1496 | |
---|
[3] | 1497 | !!====================================================================== |
---|
| 1498 | END MODULE dynhpg |
---|
[3632] | 1499 | |
---|