[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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[14060] | 19 | !! 4.2 ! 2020-12 (M. Bell, A. Young) hpg_djc: revised djc scheme |
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[503] | 20 | !!---------------------------------------------------------------------- |
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[3] | 21 | |
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| 22 | !!---------------------------------------------------------------------- |
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[455] | 23 | !! dyn_hpg : update the momentum trend with the now horizontal |
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[3] | 24 | !! gradient of the hydrostatic pressure |
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[2528] | 25 | !! dyn_hpg_init : initialisation and control of options |
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[455] | 26 | !! hpg_zco : z-coordinate scheme |
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| 27 | !! hpg_zps : z-coordinate plus partial steps (interpolation) |
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| 28 | !! hpg_sco : s-coordinate (standard jacobian formulation) |
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[5120] | 29 | !! hpg_isf : s-coordinate (sco formulation) adapted to ice shelf |
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[455] | 30 | !! hpg_djc : s-coordinate (Density Jacobian with Cubic polynomial) |
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[3294] | 31 | !! hpg_prj : s-coordinate (Pressure Jacobian with Cubic polynomial) |
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[3] | 32 | !!---------------------------------------------------------------------- |
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| 33 | USE oce ! ocean dynamics and tracers |
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[12377] | 34 | USE isf_oce , ONLY : risfload ! ice shelf (risfload variable) |
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| 35 | USE isfload , ONLY : isf_load ! ice shelf (isf_load routine ) |
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[4990] | 36 | USE sbc_oce ! surface variable (only for the flag with ice shelf) |
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[3] | 37 | USE dom_oce ! ocean space and time domain |
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[6152] | 38 | USE wet_dry ! wetting and drying |
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[3] | 39 | USE phycst ! physical constants |
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[4990] | 40 | USE trd_oce ! trends: ocean variables |
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| 41 | USE trddyn ! trend manager: dynamics |
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[11416] | 42 | USE zpshde ! partial step: hor. derivative (zps_hde routine) |
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[4990] | 43 | ! |
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[2715] | 44 | USE in_out_manager ! I/O manager |
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[258] | 45 | USE prtctl ! Print control |
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[4990] | 46 | USE lbclnk ! lateral boundary condition |
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[2715] | 47 | USE lib_mpp ! MPP library |
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[4990] | 48 | USE eosbn2 ! compute density |
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[3294] | 49 | USE timing ! Timing |
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[6140] | 50 | USE iom |
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[3] | 51 | |
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| 52 | IMPLICIT NONE |
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| 53 | PRIVATE |
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| 54 | |
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[2528] | 55 | PUBLIC dyn_hpg ! routine called by step module |
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| 56 | PUBLIC dyn_hpg_init ! routine called by opa module |
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[3] | 57 | |
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[9490] | 58 | ! !!* Namelist namdyn_hpg : hydrostatic pressure gradient |
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| 59 | LOGICAL, PUBLIC :: ln_hpg_zco !: z-coordinate - full steps |
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| 60 | LOGICAL, PUBLIC :: ln_hpg_zps !: z-coordinate - partial steps (interpolation) |
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| 61 | LOGICAL, PUBLIC :: ln_hpg_sco !: s-coordinate (standard jacobian formulation) |
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| 62 | LOGICAL, PUBLIC :: ln_hpg_djc !: s-coordinate (Density Jacobian with Cubic polynomial) |
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| 63 | LOGICAL, PUBLIC :: ln_hpg_prj !: s-coordinate (Pressure Jacobian scheme) |
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| 64 | LOGICAL, PUBLIC :: ln_hpg_isf !: s-coordinate similar to sco modify for isf |
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[455] | 65 | |
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[9490] | 66 | ! !! Flag to control the type of hydrostatic pressure gradient |
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| 67 | INTEGER, PARAMETER :: np_ERROR =-10 ! error in specification of lateral diffusion |
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| 68 | INTEGER, PARAMETER :: np_zco = 0 ! z-coordinate - full steps |
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| 69 | INTEGER, PARAMETER :: np_zps = 1 ! z-coordinate - partial steps (interpolation) |
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| 70 | INTEGER, PARAMETER :: np_sco = 2 ! s-coordinate (standard jacobian formulation) |
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| 71 | INTEGER, PARAMETER :: np_djc = 3 ! s-coordinate (Density Jacobian with Cubic polynomial) |
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| 72 | INTEGER, PARAMETER :: np_prj = 4 ! s-coordinate (Pressure Jacobian scheme) |
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| 73 | INTEGER, PARAMETER :: np_isf = 5 ! s-coordinate similar to sco modify for isf |
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| 74 | ! |
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[14060] | 75 | INTEGER, PUBLIC :: nhpg !: type of pressure gradient scheme used ! (deduced from ln_hpg_... flags) (PUBLIC for TAM) |
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| 76 | ! |
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| 77 | LOGICAL :: ln_hpg_djc_vnh, ln_hpg_djc_vnv ! flag to specify hpg_djc boundary condition type |
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| 78 | REAL(wp), PUBLIC :: aco_bc_hor, bco_bc_hor, aco_bc_vrt, bco_bc_vrt !: coefficients for hpg_djc hor and vert boundary conditions |
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[455] | 79 | |
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[3] | 80 | !! * Substitutions |
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[12377] | 81 | # include "do_loop_substitute.h90" |
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[13237] | 82 | # include "domzgr_substitute.h90" |
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| 83 | |
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[3] | 84 | !!---------------------------------------------------------------------- |
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[9598] | 85 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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[2528] | 86 | !! $Id$ |
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[10068] | 87 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[3] | 88 | !!---------------------------------------------------------------------- |
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| 89 | CONTAINS |
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| 90 | |
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[12377] | 91 | SUBROUTINE dyn_hpg( kt, Kmm, puu, pvv, Krhs ) |
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[3] | 92 | !!--------------------------------------------------------------------- |
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| 93 | !! *** ROUTINE dyn_hpg *** |
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| 94 | !! |
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[3764] | 95 | !! ** Method : Call the hydrostatic pressure gradient routine |
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[503] | 96 | !! using the scheme defined in the namelist |
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[3764] | 97 | !! |
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[12377] | 98 | !! ** Action : - Update (puu(:,:,:,Krhs),pvv(:,:,:,Krhs)) with the now hydrastatic pressure trend |
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[4990] | 99 | !! - send trends to trd_dyn for futher diagnostics (l_trddyn=T) |
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[503] | 100 | !!---------------------------------------------------------------------- |
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[12377] | 101 | INTEGER , INTENT( in ) :: kt ! ocean time-step index |
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| 102 | INTEGER , INTENT( in ) :: Kmm, Krhs ! ocean time level indices |
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| 103 | REAL(wp), DIMENSION(jpi,jpj,jpk,jpt), INTENT(inout) :: puu, pvv ! ocean velocities and RHS of momentum equation |
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| 104 | ! |
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[9019] | 105 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: ztrdu, ztrdv |
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[455] | 106 | !!---------------------------------------------------------------------- |
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[2528] | 107 | ! |
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[9019] | 108 | IF( ln_timing ) CALL timing_start('dyn_hpg') |
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[2715] | 109 | ! |
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[12377] | 110 | IF( l_trddyn ) THEN ! Temporary saving of puu(:,:,:,Krhs) and pvv(:,:,:,Krhs) trends (l_trddyn) |
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[9019] | 111 | ALLOCATE( ztrdu(jpi,jpj,jpk) , ztrdv(jpi,jpj,jpk) ) |
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[12377] | 112 | ztrdu(:,:,:) = puu(:,:,:,Krhs) |
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| 113 | ztrdv(:,:,:) = pvv(:,:,:,Krhs) |
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[3764] | 114 | ENDIF |
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[2528] | 115 | ! |
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[3294] | 116 | SELECT CASE ( nhpg ) ! Hydrostatic pressure gradient computation |
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[12377] | 117 | CASE ( np_zco ) ; CALL hpg_zco ( kt, Kmm, puu, pvv, Krhs ) ! z-coordinate |
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| 118 | CASE ( np_zps ) ; CALL hpg_zps ( kt, Kmm, puu, pvv, Krhs ) ! z-coordinate plus partial steps (interpolation) |
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| 119 | CASE ( np_sco ) ; CALL hpg_sco ( kt, Kmm, puu, pvv, Krhs ) ! s-coordinate (standard jacobian formulation) |
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| 120 | CASE ( np_djc ) ; CALL hpg_djc ( kt, Kmm, puu, pvv, Krhs ) ! s-coordinate (Density Jacobian with Cubic polynomial) |
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| 121 | CASE ( np_prj ) ; CALL hpg_prj ( kt, Kmm, puu, pvv, Krhs ) ! s-coordinate (Pressure Jacobian scheme) |
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| 122 | CASE ( np_isf ) ; CALL hpg_isf ( kt, Kmm, puu, pvv, Krhs ) ! s-coordinate similar to sco modify for ice shelf |
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[455] | 123 | END SELECT |
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[2528] | 124 | ! |
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[503] | 125 | IF( l_trddyn ) THEN ! save the hydrostatic pressure gradient trends for momentum trend diagnostics |
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[12377] | 126 | ztrdu(:,:,:) = puu(:,:,:,Krhs) - ztrdu(:,:,:) |
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| 127 | ztrdv(:,:,:) = pvv(:,:,:,Krhs) - ztrdv(:,:,:) |
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| 128 | CALL trd_dyn( ztrdu, ztrdv, jpdyn_hpg, kt, Kmm ) |
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[9019] | 129 | DEALLOCATE( ztrdu , ztrdv ) |
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[3764] | 130 | ENDIF |
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[503] | 131 | ! |
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[12377] | 132 | IF(sn_cfctl%l_prtctl) CALL prt_ctl( tab3d_1=puu(:,:,:,Krhs), clinfo1=' hpg - Ua: ', mask1=umask, & |
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| 133 | & tab3d_2=pvv(:,:,:,Krhs), clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' ) |
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[503] | 134 | ! |
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[9019] | 135 | IF( ln_timing ) CALL timing_stop('dyn_hpg') |
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[2715] | 136 | ! |
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[455] | 137 | END SUBROUTINE dyn_hpg |
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| 138 | |
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| 139 | |
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[12377] | 140 | SUBROUTINE dyn_hpg_init( Kmm ) |
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[455] | 141 | !!---------------------------------------------------------------------- |
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[2528] | 142 | !! *** ROUTINE dyn_hpg_init *** |
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[455] | 143 | !! |
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| 144 | !! ** Purpose : initializations for the hydrostatic pressure gradient |
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| 145 | !! computation and consistency control |
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| 146 | !! |
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[1601] | 147 | !! ** Action : Read the namelist namdyn_hpg and check the consistency |
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[455] | 148 | !! with the type of vertical coordinate used (zco, zps, sco) |
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| 149 | !!---------------------------------------------------------------------- |
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[12377] | 150 | INTEGER, INTENT( in ) :: Kmm ! ocean time level index |
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| 151 | ! |
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[455] | 152 | INTEGER :: ioptio = 0 ! temporary integer |
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[4147] | 153 | INTEGER :: ios ! Local integer output status for namelist read |
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[1601] | 154 | !! |
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[6140] | 155 | INTEGER :: ji, jj, jk, ikt ! dummy loop indices ISF |
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[9019] | 156 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: zts_top, zrhd ! hypothesys on isf density |
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| 157 | REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: zrhdtop_isf ! density at bottom of ISF |
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| 158 | REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: ziceload ! density at bottom of ISF |
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[6140] | 159 | !! |
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[3294] | 160 | NAMELIST/namdyn_hpg/ ln_hpg_zco, ln_hpg_zps, ln_hpg_sco, & |
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[14060] | 161 | & ln_hpg_djc, ln_hpg_prj, ln_hpg_isf, & |
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| 162 | & ln_hpg_djc_vnh, ln_hpg_djc_vnv |
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[455] | 163 | !!---------------------------------------------------------------------- |
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[2528] | 164 | ! |
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[4147] | 165 | READ ( numnam_ref, namdyn_hpg, IOSTAT = ios, ERR = 901) |
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[11536] | 166 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namdyn_hpg in reference namelist' ) |
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[6140] | 167 | ! |
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[4147] | 168 | READ ( numnam_cfg, namdyn_hpg, IOSTAT = ios, ERR = 902 ) |
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[11536] | 169 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namdyn_hpg in configuration namelist' ) |
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[4624] | 170 | IF(lwm) WRITE ( numond, namdyn_hpg ) |
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[2528] | 171 | ! |
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| 172 | IF(lwp) THEN ! Control print |
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[455] | 173 | WRITE(numout,*) |
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[2528] | 174 | WRITE(numout,*) 'dyn_hpg_init : hydrostatic pressure gradient initialisation' |
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| 175 | WRITE(numout,*) '~~~~~~~~~~~~' |
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[1601] | 176 | WRITE(numout,*) ' Namelist namdyn_hpg : choice of hpg scheme' |
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| 177 | WRITE(numout,*) ' z-coord. - full steps ln_hpg_zco = ', ln_hpg_zco |
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| 178 | WRITE(numout,*) ' z-coord. - partial steps (interpolation) ln_hpg_zps = ', ln_hpg_zps |
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| 179 | WRITE(numout,*) ' s-coord. (standard jacobian formulation) ln_hpg_sco = ', ln_hpg_sco |
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[5120] | 180 | WRITE(numout,*) ' s-coord. (standard jacobian formulation) for isf ln_hpg_isf = ', ln_hpg_isf |
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[1601] | 181 | WRITE(numout,*) ' s-coord. (Density Jacobian: Cubic polynomial) ln_hpg_djc = ', ln_hpg_djc |
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[3294] | 182 | WRITE(numout,*) ' s-coord. (Pressure Jacobian: Cubic polynomial) ln_hpg_prj = ', ln_hpg_prj |
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[455] | 183 | ENDIF |
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[2528] | 184 | ! |
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[14141] | 185 | IF( .NOT.ln_linssh .AND. (ln_hpg_zco.OR.ln_hpg_zps) ) & |
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| 186 | & CALL ctl_stop( 'dyn_hpg_init : non-linear free surface incompatible with hpg_zco or hpg_zps' ) |
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| 187 | ! |
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[14143] | 188 | IF( (.NOT.ln_hpg_isf .AND. ln_isfcav) .OR. (ln_hpg_isf .AND. .NOT.ln_isfcav) ) & |
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[14141] | 189 | & CALL ctl_stop( 'dyn_hpg_init : ln_hpg_isf=T requires ln_isfcav=T and vice versa' ) |
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| 190 | ! |
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| 191 | #if defined key_qco |
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[9019] | 192 | IF( ln_hpg_isf ) THEN |
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[14141] | 193 | CALL ctl_stop( 'dyn_hpg_init : key_qco and ln_hpg_isf not yet compatible' ) |
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[9019] | 194 | ENDIF |
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[14141] | 195 | #endif |
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[2528] | 196 | ! |
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[9490] | 197 | ! ! Set nhpg from ln_hpg_... flags & consistency check |
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| 198 | nhpg = np_ERROR |
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| 199 | ioptio = 0 |
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| 200 | IF( ln_hpg_zco ) THEN ; nhpg = np_zco ; ioptio = ioptio +1 ; ENDIF |
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| 201 | IF( ln_hpg_zps ) THEN ; nhpg = np_zps ; ioptio = ioptio +1 ; ENDIF |
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| 202 | IF( ln_hpg_sco ) THEN ; nhpg = np_sco ; ioptio = ioptio +1 ; ENDIF |
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| 203 | IF( ln_hpg_djc ) THEN ; nhpg = np_djc ; ioptio = ioptio +1 ; ENDIF |
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| 204 | IF( ln_hpg_prj ) THEN ; nhpg = np_prj ; ioptio = ioptio +1 ; ENDIF |
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| 205 | IF( ln_hpg_isf ) THEN ; nhpg = np_isf ; ioptio = ioptio +1 ; ENDIF |
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[2528] | 206 | ! |
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[2715] | 207 | IF( ioptio /= 1 ) CALL ctl_stop( 'NO or several hydrostatic pressure gradient options used' ) |
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[5120] | 208 | ! |
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[9490] | 209 | IF(lwp) THEN |
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| 210 | WRITE(numout,*) |
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| 211 | SELECT CASE( nhpg ) |
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| 212 | CASE( np_zco ) ; WRITE(numout,*) ' ==>>> z-coord. - full steps ' |
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| 213 | CASE( np_zps ) ; WRITE(numout,*) ' ==>>> z-coord. - partial steps (interpolation)' |
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| 214 | CASE( np_sco ) ; WRITE(numout,*) ' ==>>> s-coord. (standard jacobian formulation)' |
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| 215 | CASE( np_djc ) ; WRITE(numout,*) ' ==>>> s-coord. (Density Jacobian: Cubic polynomial)' |
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| 216 | CASE( np_prj ) ; WRITE(numout,*) ' ==>>> s-coord. (Pressure Jacobian: Cubic polynomial)' |
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| 217 | CASE( np_isf ) ; WRITE(numout,*) ' ==>>> s-coord. (standard jacobian formulation) for isf' |
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| 218 | END SELECT |
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| 219 | WRITE(numout,*) |
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| 220 | ENDIF |
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[9019] | 221 | ! |
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[14060] | 222 | IF ( ln_hpg_djc ) THEN |
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| 223 | IF (ln_hpg_djc_vnh) THEN ! Von Neumann boundary condition |
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| 224 | IF(lwp) WRITE(numout,*) ' horizontal bc: von Neumann ' |
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| 225 | aco_bc_hor = 6.0_wp/5.0_wp |
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| 226 | bco_bc_hor = 7.0_wp/15.0_wp |
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| 227 | ELSE ! Linear extrapolation |
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| 228 | IF(lwp) WRITE(numout,*) ' horizontal bc: linear extrapolation' |
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| 229 | aco_bc_hor = 3.0_wp/2.0_wp |
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| 230 | bco_bc_hor = 1.0_wp/2.0_wp |
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| 231 | END IF |
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| 232 | IF (ln_hpg_djc_vnv) THEN ! Von Neumann boundary condition |
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| 233 | IF(lwp) WRITE(numout,*) ' vertical bc: von Neumann ' |
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| 234 | aco_bc_vrt = 6.0_wp/5.0_wp |
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| 235 | bco_bc_vrt = 7.0_wp/15.0_wp |
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| 236 | ELSE ! Linear extrapolation |
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| 237 | IF(lwp) WRITE(numout,*) ' vertical bc: linear extrapolation' |
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| 238 | aco_bc_vrt = 3.0_wp/2.0_wp |
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| 239 | bco_bc_vrt = 1.0_wp/2.0_wp |
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| 240 | END IF |
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| 241 | END IF |
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[14141] | 242 | ! |
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[2528] | 243 | END SUBROUTINE dyn_hpg_init |
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[455] | 244 | |
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| 245 | |
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[12377] | 246 | SUBROUTINE hpg_zco( kt, Kmm, puu, pvv, Krhs ) |
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[455] | 247 | !!--------------------------------------------------------------------- |
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| 248 | !! *** ROUTINE hpg_zco *** |
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| 249 | !! |
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| 250 | !! ** Method : z-coordinate case, levels are horizontal surfaces. |
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| 251 | !! The now hydrostatic pressure gradient at a given level, jk, |
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| 252 | !! is computed by taking the vertical integral of the in-situ |
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| 253 | !! density gradient along the model level from the suface to that |
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| 254 | !! level: zhpi = grav ..... |
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| 255 | !! zhpj = grav ..... |
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[12377] | 256 | !! add it to the general momentum trend (puu(:,:,:,Krhs),pvv(:,:,:,Krhs)). |
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| 257 | !! puu(:,:,:,Krhs) = puu(:,:,:,Krhs) - 1/e1u * zhpi |
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| 258 | !! pvv(:,:,:,Krhs) = pvv(:,:,:,Krhs) - 1/e2v * zhpj |
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[3764] | 259 | !! |
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[12377] | 260 | !! ** Action : - Update (puu(:,:,:,Krhs),pvv(:,:,:,Krhs)) with the now hydrastatic pressure trend |
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[503] | 261 | !!---------------------------------------------------------------------- |
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[12377] | 262 | INTEGER , INTENT( in ) :: kt ! ocean time-step index |
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| 263 | INTEGER , INTENT( in ) :: Kmm, Krhs ! ocean time level indices |
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| 264 | REAL(wp), DIMENSION(jpi,jpj,jpk,jpt), INTENT(inout) :: puu, pvv ! ocean velocities and RHS of momentum equation |
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[6140] | 265 | ! |
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[503] | 266 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 267 | REAL(wp) :: zcoef0, zcoef1 ! temporary scalars |
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[14064] | 268 | REAL(wp), DIMENSION(jpi,jpj) :: zhpi, zhpj |
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[3] | 269 | !!---------------------------------------------------------------------- |
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[3764] | 270 | ! |
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[3] | 271 | IF( kt == nit000 ) THEN |
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| 272 | IF(lwp) WRITE(numout,*) |
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[455] | 273 | IF(lwp) WRITE(numout,*) 'dyn:hpg_zco : hydrostatic pressure gradient trend' |
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| 274 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~ z-coordinate case ' |
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[3] | 275 | ENDIF |
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[14064] | 276 | ! |
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| 277 | zcoef0 = - grav * 0.5_wp ! Local constant initialization |
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| 278 | ! |
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| 279 | DO_2D( 0, 0, 0, 0 ) ! Surface value |
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[12377] | 280 | zcoef1 = zcoef0 * e3w(ji,jj,1,Kmm) |
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[14064] | 281 | ! ! hydrostatic pressure gradient |
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| 282 | zhpi(ji,jj) = zcoef1 * ( rhd(ji+1,jj,1) - rhd(ji,jj,1) ) * r1_e1u(ji,jj) |
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| 283 | zhpj(ji,jj) = zcoef1 * ( rhd(ji,jj+1,1) - rhd(ji,jj,1) ) * r1_e2v(ji,jj) |
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| 284 | ! ! add to the general momentum trend |
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| 285 | puu(ji,jj,1,Krhs) = puu(ji,jj,1,Krhs) + zhpi(ji,jj) |
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| 286 | pvv(ji,jj,1,Krhs) = pvv(ji,jj,1,Krhs) + zhpj(ji,jj) |
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[12377] | 287 | END_2D |
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[503] | 288 | ! |
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[14064] | 289 | DO_3D( 0, 0, 0, 0, 2, jpkm1 ) ! interior value (2=<jk=<jpkm1) |
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[12377] | 290 | zcoef1 = zcoef0 * e3w(ji,jj,jk,Kmm) |
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[14064] | 291 | ! ! hydrostatic pressure gradient |
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| 292 | zhpi(ji,jj) = zhpi(ji,jj) + zcoef1 * ( ( rhd(ji+1,jj,jk)+rhd(ji+1,jj,jk-1) ) & |
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| 293 | & - ( rhd(ji ,jj,jk)+rhd(ji ,jj,jk-1) ) ) * r1_e1u(ji,jj) |
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[455] | 294 | |
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[14064] | 295 | zhpj(ji,jj) = zhpj(ji,jj) + zcoef1 * ( ( rhd(ji,jj+1,jk)+rhd(ji,jj+1,jk-1) ) & |
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| 296 | & - ( rhd(ji,jj, jk)+rhd(ji,jj ,jk-1) ) ) * r1_e2v(ji,jj) |
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| 297 | ! ! add to the general momentum trend |
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| 298 | puu(ji,jj,jk,Krhs) = puu(ji,jj,jk,Krhs) + zhpi(ji,jj) |
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| 299 | pvv(ji,jj,jk,Krhs) = pvv(ji,jj,jk,Krhs) + zhpj(ji,jj) |
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[12377] | 300 | END_3D |
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[503] | 301 | ! |
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[455] | 302 | END SUBROUTINE hpg_zco |
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[216] | 303 | |
---|
[3] | 304 | |
---|
[12377] | 305 | SUBROUTINE hpg_zps( kt, Kmm, puu, pvv, Krhs ) |
---|
[3] | 306 | !!--------------------------------------------------------------------- |
---|
[455] | 307 | !! *** ROUTINE hpg_zps *** |
---|
[3764] | 308 | !! |
---|
[455] | 309 | !! ** Method : z-coordinate plus partial steps case. blahblah... |
---|
[3764] | 310 | !! |
---|
[12377] | 311 | !! ** Action : - Update (puu(:,:,:,Krhs),pvv(:,:,:,Krhs)) with the now hydrastatic pressure trend |
---|
[3764] | 312 | !!---------------------------------------------------------------------- |
---|
[12377] | 313 | INTEGER , INTENT( in ) :: kt ! ocean time-step index |
---|
| 314 | INTEGER , INTENT( in ) :: Kmm, Krhs ! ocean time level indices |
---|
| 315 | REAL(wp), DIMENSION(jpi,jpj,jpk,jpt), INTENT(inout) :: puu, pvv ! ocean velocities and RHS of momentum equation |
---|
[503] | 316 | !! |
---|
| 317 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
| 318 | INTEGER :: iku, ikv ! temporary integers |
---|
| 319 | REAL(wp) :: zcoef0, zcoef1, zcoef2, zcoef3 ! temporary scalars |
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[13982] | 320 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zhpi, zhpj |
---|
| 321 | REAL(wp), DIMENSION(jpi,jpj,jpts) :: zgtsu, zgtsv |
---|
| 322 | REAL(wp), DIMENSION(jpi,jpj) :: zgru, zgrv |
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[3] | 323 | !!---------------------------------------------------------------------- |
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[3294] | 324 | ! |
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[3] | 325 | IF( kt == nit000 ) THEN |
---|
| 326 | IF(lwp) WRITE(numout,*) |
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[455] | 327 | IF(lwp) WRITE(numout,*) 'dyn:hpg_zps : hydrostatic pressure gradient trend' |
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[503] | 328 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~ z-coordinate with partial steps - vector optimization' |
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[3] | 329 | ENDIF |
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| 330 | |
---|
[11416] | 331 | ! Partial steps: Compute NOW horizontal gradient of t, s, rd at the last ocean level |
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[12377] | 332 | CALL zps_hde( kt, Kmm, jpts, ts(:,:,:,:,Kmm), zgtsu, zgtsv, rhd, zgru , zgrv ) |
---|
[3294] | 333 | |
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[503] | 334 | ! Local constant initialization |
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[2528] | 335 | zcoef0 = - grav * 0.5_wp |
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[3] | 336 | |
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[2528] | 337 | ! Surface value (also valid in partial step case) |
---|
[13295] | 338 | DO_2D( 0, 0, 0, 0 ) |
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[12377] | 339 | zcoef1 = zcoef0 * e3w(ji,jj,1,Kmm) |
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| 340 | ! hydrostatic pressure gradient |
---|
| 341 | zhpi(ji,jj,1) = zcoef1 * ( rhd(ji+1,jj ,1) - rhd(ji,jj,1) ) * r1_e1u(ji,jj) |
---|
| 342 | zhpj(ji,jj,1) = zcoef1 * ( rhd(ji ,jj+1,1) - rhd(ji,jj,1) ) * r1_e2v(ji,jj) |
---|
| 343 | ! add to the general momentum trend |
---|
| 344 | puu(ji,jj,1,Krhs) = puu(ji,jj,1,Krhs) + zhpi(ji,jj,1) |
---|
| 345 | pvv(ji,jj,1,Krhs) = pvv(ji,jj,1,Krhs) + zhpj(ji,jj,1) |
---|
| 346 | END_2D |
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[3] | 347 | |
---|
[503] | 348 | ! interior value (2=<jk=<jpkm1) |
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[13295] | 349 | DO_3D( 0, 0, 0, 0, 2, jpkm1 ) |
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[12377] | 350 | zcoef1 = zcoef0 * e3w(ji,jj,jk,Kmm) |
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| 351 | ! hydrostatic pressure gradient |
---|
| 352 | zhpi(ji,jj,jk) = zhpi(ji,jj,jk-1) & |
---|
| 353 | & + zcoef1 * ( ( rhd(ji+1,jj,jk) + rhd(ji+1,jj,jk-1) ) & |
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| 354 | & - ( rhd(ji ,jj,jk) + rhd(ji ,jj,jk-1) ) ) * r1_e1u(ji,jj) |
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[3] | 355 | |
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[12377] | 356 | zhpj(ji,jj,jk) = zhpj(ji,jj,jk-1) & |
---|
| 357 | & + zcoef1 * ( ( rhd(ji,jj+1,jk) + rhd(ji,jj+1,jk-1) ) & |
---|
| 358 | & - ( rhd(ji,jj, jk) + rhd(ji,jj ,jk-1) ) ) * r1_e2v(ji,jj) |
---|
| 359 | ! add to the general momentum trend |
---|
| 360 | puu(ji,jj,jk,Krhs) = puu(ji,jj,jk,Krhs) + zhpi(ji,jj,jk) |
---|
| 361 | pvv(ji,jj,jk,Krhs) = pvv(ji,jj,jk,Krhs) + zhpj(ji,jj,jk) |
---|
| 362 | END_3D |
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[3] | 363 | |
---|
[11416] | 364 | ! partial steps correction at the last level (use zgru & zgrv computed in zpshde.F90) |
---|
[13295] | 365 | DO_2D( 0, 0, 0, 0 ) |
---|
[12377] | 366 | iku = mbku(ji,jj) |
---|
| 367 | ikv = mbkv(ji,jj) |
---|
| 368 | zcoef2 = zcoef0 * MIN( e3w(ji,jj,iku,Kmm), e3w(ji+1,jj ,iku,Kmm) ) |
---|
| 369 | zcoef3 = zcoef0 * MIN( e3w(ji,jj,ikv,Kmm), e3w(ji ,jj+1,ikv,Kmm) ) |
---|
| 370 | IF( iku > 1 ) THEN ! on i-direction (level 2 or more) |
---|
| 371 | puu (ji,jj,iku,Krhs) = puu(ji,jj,iku,Krhs) - zhpi(ji,jj,iku) ! subtract old value |
---|
| 372 | zhpi(ji,jj,iku) = zhpi(ji,jj,iku-1) & ! compute the new one |
---|
| 373 | & + zcoef2 * ( rhd(ji+1,jj,iku-1) - rhd(ji,jj,iku-1) + zgru(ji,jj) ) * r1_e1u(ji,jj) |
---|
| 374 | puu (ji,jj,iku,Krhs) = puu(ji,jj,iku,Krhs) + zhpi(ji,jj,iku) ! add the new one to the general momentum trend |
---|
| 375 | ENDIF |
---|
| 376 | IF( ikv > 1 ) THEN ! on j-direction (level 2 or more) |
---|
| 377 | pvv (ji,jj,ikv,Krhs) = pvv(ji,jj,ikv,Krhs) - zhpj(ji,jj,ikv) ! subtract old value |
---|
| 378 | zhpj(ji,jj,ikv) = zhpj(ji,jj,ikv-1) & ! compute the new one |
---|
| 379 | & + zcoef3 * ( rhd(ji,jj+1,ikv-1) - rhd(ji,jj,ikv-1) + zgrv(ji,jj) ) * r1_e2v(ji,jj) |
---|
| 380 | pvv (ji,jj,ikv,Krhs) = pvv(ji,jj,ikv,Krhs) + zhpj(ji,jj,ikv) ! add the new one to the general momentum trend |
---|
| 381 | ENDIF |
---|
| 382 | END_2D |
---|
[503] | 383 | ! |
---|
[455] | 384 | END SUBROUTINE hpg_zps |
---|
[216] | 385 | |
---|
[6140] | 386 | |
---|
[12377] | 387 | SUBROUTINE hpg_sco( kt, Kmm, puu, pvv, Krhs ) |
---|
[3] | 388 | !!--------------------------------------------------------------------- |
---|
[455] | 389 | !! *** ROUTINE hpg_sco *** |
---|
[3] | 390 | !! |
---|
[455] | 391 | !! ** Method : s-coordinate case. Jacobian scheme. |
---|
| 392 | !! The now hydrostatic pressure gradient at a given level, jk, |
---|
| 393 | !! is computed by taking the vertical integral of the in-situ |
---|
[3] | 394 | !! density gradient along the model level from the suface to that |
---|
[455] | 395 | !! level. s-coordinates (ln_sco): a corrective term is added |
---|
| 396 | !! to the horizontal pressure gradient : |
---|
| 397 | !! zhpi = grav ..... + 1/e1u mi(rhd) di[ grav dep3w ] |
---|
| 398 | !! zhpj = grav ..... + 1/e2v mj(rhd) dj[ grav dep3w ] |
---|
[12377] | 399 | !! add it to the general momentum trend (puu(:,:,:,Krhs),pvv(:,:,:,Krhs)). |
---|
| 400 | !! puu(:,:,:,Krhs) = puu(:,:,:,Krhs) - 1/e1u * zhpi |
---|
| 401 | !! pvv(:,:,:,Krhs) = pvv(:,:,:,Krhs) - 1/e2v * zhpj |
---|
[3] | 402 | !! |
---|
[12377] | 403 | !! ** Action : - Update (puu(:,:,:,Krhs),pvv(:,:,:,Krhs)) with the now hydrastatic pressure trend |
---|
[503] | 404 | !!---------------------------------------------------------------------- |
---|
[12377] | 405 | INTEGER , INTENT( in ) :: kt ! ocean time-step index |
---|
| 406 | INTEGER , INTENT( in ) :: Kmm, Krhs ! ocean time level indices |
---|
| 407 | REAL(wp), DIMENSION(jpi,jpj,jpk,jpt), INTENT(inout) :: puu, pvv ! ocean velocities and RHS of momentum equation |
---|
[503] | 408 | !! |
---|
[14064] | 409 | INTEGER :: ji, jj, jk, jii, jjj ! dummy loop indices |
---|
| 410 | REAL(wp) :: zcoef0, zuap, zvap, ztmp ! local scalars |
---|
| 411 | LOGICAL :: ll_tmp1, ll_tmp2 ! local logical variables |
---|
[9019] | 412 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zhpi, zhpj |
---|
| 413 | REAL(wp), DIMENSION(:,:), ALLOCATABLE :: zcpx, zcpy !W/D pressure filter |
---|
[5120] | 414 | !!---------------------------------------------------------------------- |
---|
| 415 | ! |
---|
[9039] | 416 | IF( ln_wd_il ) ALLOCATE(zcpx(jpi,jpj), zcpy(jpi,jpj)) |
---|
[9023] | 417 | ! |
---|
[5120] | 418 | IF( kt == nit000 ) THEN |
---|
| 419 | IF(lwp) WRITE(numout,*) |
---|
| 420 | IF(lwp) WRITE(numout,*) 'dyn:hpg_sco : hydrostatic pressure gradient trend' |
---|
[14227] | 421 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~ s-coordinate case, OCE original scheme used' |
---|
[5120] | 422 | ENDIF |
---|
[6140] | 423 | ! |
---|
[5120] | 424 | zcoef0 = - grav * 0.5_wp |
---|
[6140] | 425 | ! |
---|
[9023] | 426 | IF( ln_wd_il ) THEN |
---|
[13295] | 427 | DO_2D( 0, 0, 0, 0 ) |
---|
[12377] | 428 | ll_tmp1 = MIN( ssh(ji,jj,Kmm) , ssh(ji+1,jj,Kmm) ) > & |
---|
| 429 | & MAX( -ht_0(ji,jj) , -ht_0(ji+1,jj) ) .AND. & |
---|
| 430 | & MAX( ssh(ji,jj,Kmm) + ht_0(ji,jj), ssh(ji+1,jj,Kmm) + ht_0(ji+1,jj) ) & |
---|
| 431 | & > rn_wdmin1 + rn_wdmin2 |
---|
| 432 | ll_tmp2 = ( ABS( ssh(ji,jj,Kmm) - ssh(ji+1,jj,Kmm) ) > 1.E-12 ) .AND. ( & |
---|
| 433 | & MAX( ssh(ji,jj,Kmm) , ssh(ji+1,jj,Kmm) ) > & |
---|
| 434 | & MAX( -ht_0(ji,jj) , -ht_0(ji+1,jj) ) + rn_wdmin1 + rn_wdmin2 ) |
---|
[6152] | 435 | |
---|
[12377] | 436 | IF(ll_tmp1) THEN |
---|
| 437 | zcpx(ji,jj) = 1.0_wp |
---|
| 438 | ELSE IF(ll_tmp2) THEN |
---|
| 439 | ! no worries about ssh(ji+1,jj,Kmm) - ssh(ji ,jj,Kmm) = 0, it won't happen ! here |
---|
| 440 | zcpx(ji,jj) = ABS( (ssh(ji+1,jj,Kmm) + ht_0(ji+1,jj) - ssh(ji,jj,Kmm) - ht_0(ji,jj)) & |
---|
| 441 | & / (ssh(ji+1,jj,Kmm) - ssh(ji ,jj,Kmm)) ) |
---|
| 442 | ELSE |
---|
| 443 | zcpx(ji,jj) = 0._wp |
---|
| 444 | END IF |
---|
| 445 | |
---|
| 446 | ll_tmp1 = MIN( ssh(ji,jj,Kmm) , ssh(ji,jj+1,Kmm) ) > & |
---|
| 447 | & MAX( -ht_0(ji,jj) , -ht_0(ji,jj+1) ) .AND. & |
---|
| 448 | & MAX( ssh(ji,jj,Kmm) + ht_0(ji,jj), ssh(ji,jj+1,Kmm) + ht_0(ji,jj+1) ) & |
---|
| 449 | & > rn_wdmin1 + rn_wdmin2 |
---|
| 450 | ll_tmp2 = ( ABS( ssh(ji,jj,Kmm) - ssh(ji,jj+1,Kmm) ) > 1.E-12 ) .AND. ( & |
---|
| 451 | & MAX( ssh(ji,jj,Kmm) , ssh(ji,jj+1,Kmm) ) > & |
---|
| 452 | & MAX( -ht_0(ji,jj) , -ht_0(ji,jj+1) ) + rn_wdmin1 + rn_wdmin2 ) |
---|
[6152] | 453 | |
---|
[12377] | 454 | IF(ll_tmp1) THEN |
---|
| 455 | zcpy(ji,jj) = 1.0_wp |
---|
| 456 | ELSE IF(ll_tmp2) THEN |
---|
| 457 | ! no worries about ssh(ji,jj+1,Kmm) - ssh(ji,jj ,Kmm) = 0, it won't happen ! here |
---|
| 458 | zcpy(ji,jj) = ABS( (ssh(ji,jj+1,Kmm) + ht_0(ji,jj+1) - ssh(ji,jj,Kmm) - ht_0(ji,jj)) & |
---|
| 459 | & / (ssh(ji,jj+1,Kmm) - ssh(ji,jj ,Kmm)) ) |
---|
| 460 | ELSE |
---|
| 461 | zcpy(ji,jj) = 0._wp |
---|
| 462 | END IF |
---|
| 463 | END_2D |
---|
[14338] | 464 | CALL lbc_lnk( 'dynhpg', zcpx, 'U', 1.0_wp, zcpy, 'V', 1.0_wp ) |
---|
[9023] | 465 | END IF |
---|
[14064] | 466 | ! |
---|
| 467 | DO_2D( 0, 0, 0, 0 ) ! Surface value |
---|
| 468 | ! ! hydrostatic pressure gradient along s-surfaces |
---|
| 469 | zhpi(ji,jj,1) = zcoef0 * r1_e1u(ji,jj) & |
---|
| 470 | & * ( e3w(ji+1,jj ,1,Kmm) * rhd(ji+1,jj ,1) & |
---|
| 471 | & - e3w(ji ,jj ,1,Kmm) * rhd(ji ,jj ,1) ) |
---|
| 472 | zhpj(ji,jj,1) = zcoef0 * r1_e2v(ji,jj) & |
---|
| 473 | & * ( e3w(ji ,jj+1,1,Kmm) * rhd(ji ,jj+1,1) & |
---|
| 474 | & - e3w(ji ,jj ,1,Kmm) * rhd(ji ,jj ,1) ) |
---|
| 475 | ! ! s-coordinate pressure gradient correction |
---|
| 476 | zuap = -zcoef0 * ( rhd (ji+1,jj,1) + rhd (ji,jj,1) ) & |
---|
[12377] | 477 | & * ( gde3w(ji+1,jj,1) - gde3w(ji,jj,1) ) * r1_e1u(ji,jj) |
---|
[14064] | 478 | zvap = -zcoef0 * ( rhd (ji,jj+1,1) + rhd (ji,jj,1) ) & |
---|
[12377] | 479 | & * ( gde3w(ji,jj+1,1) - gde3w(ji,jj,1) ) * r1_e2v(ji,jj) |
---|
| 480 | ! |
---|
| 481 | IF( ln_wd_il ) THEN |
---|
| 482 | zhpi(ji,jj,1) = zhpi(ji,jj,1) * zcpx(ji,jj) |
---|
| 483 | zhpj(ji,jj,1) = zhpj(ji,jj,1) * zcpy(ji,jj) |
---|
| 484 | zuap = zuap * zcpx(ji,jj) |
---|
| 485 | zvap = zvap * zcpy(ji,jj) |
---|
| 486 | ENDIF |
---|
[14064] | 487 | ! ! add to the general momentum trend |
---|
[12377] | 488 | puu(ji,jj,1,Krhs) = puu(ji,jj,1,Krhs) + zhpi(ji,jj,1) + zuap |
---|
| 489 | pvv(ji,jj,1,Krhs) = pvv(ji,jj,1,Krhs) + zhpj(ji,jj,1) + zvap |
---|
| 490 | END_2D |
---|
[14064] | 491 | ! |
---|
| 492 | DO_3D( 0, 0, 0, 0, 2, jpkm1 ) ! interior value (2=<jk=<jpkm1) |
---|
| 493 | ! ! hydrostatic pressure gradient along s-surfaces |
---|
| 494 | zhpi(ji,jj,jk) = zhpi(ji,jj,jk-1) + zcoef0 * r1_e1u(ji,jj) & |
---|
| 495 | & * ( e3w(ji+1,jj,jk,Kmm) * ( rhd(ji+1,jj,jk) + rhd(ji+1,jj,jk-1) ) & |
---|
| 496 | & - e3w(ji ,jj,jk,Kmm) * ( rhd(ji ,jj,jk) + rhd(ji ,jj,jk-1) ) ) |
---|
| 497 | zhpj(ji,jj,jk) = zhpj(ji,jj,jk-1) + zcoef0 * r1_e2v(ji,jj) & |
---|
| 498 | & * ( e3w(ji,jj+1,jk,Kmm) * ( rhd(ji,jj+1,jk) + rhd(ji,jj+1,jk-1) ) & |
---|
| 499 | & - e3w(ji,jj ,jk,Kmm) * ( rhd(ji,jj, jk) + rhd(ji,jj ,jk-1) ) ) |
---|
| 500 | ! ! s-coordinate pressure gradient correction |
---|
| 501 | zuap = -zcoef0 * ( rhd (ji+1,jj ,jk) + rhd (ji,jj,jk) ) & |
---|
[12377] | 502 | & * ( gde3w(ji+1,jj ,jk) - gde3w(ji,jj,jk) ) * r1_e1u(ji,jj) |
---|
[14064] | 503 | zvap = -zcoef0 * ( rhd (ji ,jj+1,jk) + rhd (ji,jj,jk) ) & |
---|
[12377] | 504 | & * ( gde3w(ji ,jj+1,jk) - gde3w(ji,jj,jk) ) * r1_e2v(ji,jj) |
---|
| 505 | ! |
---|
| 506 | IF( ln_wd_il ) THEN |
---|
| 507 | zhpi(ji,jj,jk) = zhpi(ji,jj,jk) * zcpx(ji,jj) |
---|
| 508 | zhpj(ji,jj,jk) = zhpj(ji,jj,jk) * zcpy(ji,jj) |
---|
| 509 | zuap = zuap * zcpx(ji,jj) |
---|
| 510 | zvap = zvap * zcpy(ji,jj) |
---|
| 511 | ENDIF |
---|
| 512 | ! |
---|
| 513 | ! add to the general momentum trend |
---|
| 514 | puu(ji,jj,jk,Krhs) = puu(ji,jj,jk,Krhs) + zhpi(ji,jj,jk) + zuap |
---|
| 515 | pvv(ji,jj,jk,Krhs) = pvv(ji,jj,jk,Krhs) + zhpj(ji,jj,jk) + zvap |
---|
| 516 | END_3D |
---|
[5120] | 517 | ! |
---|
[9039] | 518 | IF( ln_wd_il ) DEALLOCATE( zcpx , zcpy ) |
---|
[5120] | 519 | ! |
---|
| 520 | END SUBROUTINE hpg_sco |
---|
| 521 | |
---|
[6140] | 522 | |
---|
[12377] | 523 | SUBROUTINE hpg_isf( kt, Kmm, puu, pvv, Krhs ) |
---|
[5120] | 524 | !!--------------------------------------------------------------------- |
---|
[6140] | 525 | !! *** ROUTINE hpg_isf *** |
---|
[5120] | 526 | !! |
---|
| 527 | !! ** Method : s-coordinate case. Jacobian scheme. |
---|
| 528 | !! The now hydrostatic pressure gradient at a given level, jk, |
---|
| 529 | !! is computed by taking the vertical integral of the in-situ |
---|
| 530 | !! density gradient along the model level from the suface to that |
---|
| 531 | !! level. s-coordinates (ln_sco): a corrective term is added |
---|
| 532 | !! to the horizontal pressure gradient : |
---|
| 533 | !! zhpi = grav ..... + 1/e1u mi(rhd) di[ grav dep3w ] |
---|
| 534 | !! zhpj = grav ..... + 1/e2v mj(rhd) dj[ grav dep3w ] |
---|
[12377] | 535 | !! add it to the general momentum trend (puu(:,:,:,Krhs),pvv(:,:,:,Krhs)). |
---|
| 536 | !! puu(:,:,:,Krhs) = puu(:,:,:,Krhs) - 1/e1u * zhpi |
---|
| 537 | !! pvv(:,:,:,Krhs) = pvv(:,:,:,Krhs) - 1/e2v * zhpj |
---|
| 538 | !! iceload is added |
---|
[5120] | 539 | !! |
---|
[12377] | 540 | !! ** Action : - Update (puu(:,:,:,Krhs),pvv(:,:,:,Krhs)) with the now hydrastatic pressure trend |
---|
[5120] | 541 | !!---------------------------------------------------------------------- |
---|
[12377] | 542 | INTEGER , INTENT( in ) :: kt ! ocean time-step index |
---|
| 543 | INTEGER , INTENT( in ) :: Kmm, Krhs ! ocean time level indices |
---|
| 544 | REAL(wp), DIMENSION(jpi,jpj,jpk,jpt), INTENT(inout) :: puu, pvv ! ocean velocities and RHS of momentum equation |
---|
[5120] | 545 | !! |
---|
[14064] | 546 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
| 547 | INTEGER :: ikt , ikti1, iktj1 ! local integer |
---|
| 548 | REAL(wp) :: ze3w, ze3wi1, ze3wj1 ! local scalars |
---|
| 549 | REAL(wp) :: zcoef0, zuap, zvap ! - - |
---|
[9019] | 550 | REAL(wp), DIMENSION(jpi,jpj,jpk ) :: zhpi, zhpj |
---|
| 551 | REAL(wp), DIMENSION(jpi,jpj,jpts) :: zts_top |
---|
| 552 | REAL(wp), DIMENSION(jpi,jpj) :: zrhdtop_oce |
---|
[3] | 553 | !!---------------------------------------------------------------------- |
---|
[3294] | 554 | ! |
---|
[9019] | 555 | zcoef0 = - grav * 0.5_wp ! Local constant initialization |
---|
[3294] | 556 | ! |
---|
[9019] | 557 | ! ! iniitialised to 0. zhpi zhpi |
---|
| 558 | zhpi(:,:,:) = 0._wp ; zhpj(:,:,:) = 0._wp |
---|
[6140] | 559 | |
---|
[4990] | 560 | ! compute rhd at the ice/oce interface (ocean side) |
---|
[6140] | 561 | ! usefull to reduce residual current in the test case ISOMIP with no melting |
---|
[9019] | 562 | DO ji = 1, jpi |
---|
| 563 | DO jj = 1, jpj |
---|
| 564 | ikt = mikt(ji,jj) |
---|
[12377] | 565 | zts_top(ji,jj,1) = ts(ji,jj,ikt,1,Kmm) |
---|
| 566 | zts_top(ji,jj,2) = ts(ji,jj,ikt,2,Kmm) |
---|
[4990] | 567 | END DO |
---|
| 568 | END DO |
---|
[9019] | 569 | CALL eos( zts_top, risfdep, zrhdtop_oce ) |
---|
[6140] | 570 | |
---|
[14064] | 571 | ! !===========================! |
---|
| 572 | ! !===== surface value =====! |
---|
| 573 | ! !===========================! |
---|
[13295] | 574 | DO_2D( 0, 0, 0, 0 ) |
---|
[14064] | 575 | ikt = mikt(ji ,jj ) ; ze3w = e3w(ji ,jj ,ikt ,Kmm) |
---|
| 576 | ikti1 = mikt(ji+1,jj ) ; ze3wi1 = e3w(ji+1,jj ,ikti1,Kmm) |
---|
| 577 | iktj1 = mikt(ji ,jj+1) ; ze3wj1 = e3w(ji ,jj+1,iktj1,Kmm) |
---|
| 578 | ! ! hydrostatic pressure gradient along s-surfaces and ice shelf pressure |
---|
| 579 | ! ! we assume ISF is in isostatic equilibrium |
---|
| 580 | zhpi(ji,jj,1) = zcoef0 * r1_e1u(ji,jj) * ( risfload(ji+1,jj) - risfload(ji,jj) & |
---|
| 581 | & + 0.5_wp * ( ze3wi1 * ( rhd(ji+1,jj,ikti1) + zrhdtop_oce(ji+1,jj) ) & |
---|
| 582 | & - ze3w * ( rhd(ji ,jj,ikt ) + zrhdtop_oce(ji ,jj) ) ) ) |
---|
| 583 | zhpj(ji,jj,1) = zcoef0 * r1_e2v(ji,jj) * ( risfload(ji,jj+1) - risfload(ji,jj) & |
---|
| 584 | & + 0.5_wp * ( ze3wj1 * ( rhd(ji,jj+1,iktj1) + zrhdtop_oce(ji,jj+1) ) & |
---|
| 585 | & - ze3w * ( rhd(ji,jj ,ikt ) + zrhdtop_oce(ji,jj ) ) ) ) |
---|
| 586 | ! ! s-coordinate pressure gradient correction (=0 if z coordinate) |
---|
| 587 | zuap = -zcoef0 * ( rhd (ji+1,jj,1) + rhd (ji,jj,1) ) & |
---|
[12377] | 588 | & * ( gde3w(ji+1,jj,1) - gde3w(ji,jj,1) ) * r1_e1u(ji,jj) |
---|
[14064] | 589 | zvap = -zcoef0 * ( rhd (ji,jj+1,1) + rhd (ji,jj,1) ) & |
---|
[12377] | 590 | & * ( gde3w(ji,jj+1,1) - gde3w(ji,jj,1) ) * r1_e2v(ji,jj) |
---|
[14064] | 591 | ! ! add to the general momentum trend |
---|
[12377] | 592 | puu(ji,jj,1,Krhs) = puu(ji,jj,1,Krhs) + (zhpi(ji,jj,1) + zuap) * umask(ji,jj,1) |
---|
| 593 | pvv(ji,jj,1,Krhs) = pvv(ji,jj,1,Krhs) + (zhpj(ji,jj,1) + zvap) * vmask(ji,jj,1) |
---|
| 594 | END_2D |
---|
[14064] | 595 | ! |
---|
| 596 | ! !=============================! |
---|
| 597 | ! !===== interior values =====! |
---|
| 598 | ! !=============================! |
---|
[13295] | 599 | DO_3D( 0, 0, 0, 0, 2, jpkm1 ) |
---|
[14064] | 600 | ze3w = e3w(ji ,jj ,jk,Kmm) |
---|
| 601 | ze3wi1 = e3w(ji+1,jj ,jk,Kmm) |
---|
| 602 | ze3wj1 = e3w(ji ,jj+1,jk,Kmm) |
---|
| 603 | ! ! hydrostatic pressure gradient along s-surfaces |
---|
[12377] | 604 | zhpi(ji,jj,jk) = zhpi(ji,jj,jk-1) + zcoef0 / e1u(ji,jj) & |
---|
[14064] | 605 | & * ( ze3wi1 * ( rhd(ji+1,jj,jk) + rhd(ji+1,jj,jk-1) ) * wmask(ji+1,jj,jk) & |
---|
| 606 | & - ze3w * ( rhd(ji ,jj,jk) + rhd(ji ,jj,jk-1) ) * wmask(ji ,jj,jk) ) |
---|
[12377] | 607 | zhpj(ji,jj,jk) = zhpj(ji,jj,jk-1) + zcoef0 / e2v(ji,jj) & |
---|
[14064] | 608 | & * ( ze3wj1 * ( rhd(ji,jj+1,jk) + rhd(ji,jj+1,jk-1) ) * wmask(ji,jj+1,jk) & |
---|
| 609 | & - ze3w * ( rhd(ji,jj, jk) + rhd(ji,jj ,jk-1) ) * wmask(ji,jj ,jk) ) |
---|
| 610 | ! ! s-coordinate pressure gradient correction |
---|
| 611 | zuap = -zcoef0 * ( rhd (ji+1,jj ,jk) + rhd (ji,jj,jk) ) & |
---|
[12377] | 612 | & * ( gde3w(ji+1,jj ,jk) - gde3w(ji,jj,jk) ) / e1u(ji,jj) |
---|
[14064] | 613 | zvap = -zcoef0 * ( rhd (ji ,jj+1,jk) + rhd (ji,jj,jk) ) & |
---|
[12377] | 614 | & * ( gde3w(ji ,jj+1,jk) - gde3w(ji,jj,jk) ) / e2v(ji,jj) |
---|
[14064] | 615 | ! ! add to the general momentum trend |
---|
[12377] | 616 | puu(ji,jj,jk,Krhs) = puu(ji,jj,jk,Krhs) + (zhpi(ji,jj,jk) + zuap) * umask(ji,jj,jk) |
---|
| 617 | pvv(ji,jj,jk,Krhs) = pvv(ji,jj,jk,Krhs) + (zhpj(ji,jj,jk) + zvap) * vmask(ji,jj,jk) |
---|
| 618 | END_3D |
---|
[503] | 619 | ! |
---|
[5120] | 620 | END SUBROUTINE hpg_isf |
---|
[455] | 621 | |
---|
[4990] | 622 | |
---|
[12377] | 623 | SUBROUTINE hpg_djc( kt, Kmm, puu, pvv, Krhs ) |
---|
[455] | 624 | !!--------------------------------------------------------------------- |
---|
| 625 | !! *** ROUTINE hpg_djc *** |
---|
| 626 | !! |
---|
| 627 | !! ** Method : Density Jacobian with Cubic polynomial scheme |
---|
[3764] | 628 | !! |
---|
[503] | 629 | !! Reference: Shchepetkin and McWilliams, J. Geophys. Res., 108(C3), 3090, 2003 |
---|
[455] | 630 | !!---------------------------------------------------------------------- |
---|
[12377] | 631 | INTEGER , INTENT( in ) :: kt ! ocean time-step index |
---|
| 632 | INTEGER , INTENT( in ) :: Kmm, Krhs ! ocean time level indices |
---|
| 633 | REAL(wp), DIMENSION(jpi,jpj,jpk,jpt), INTENT(inout) :: puu, pvv ! ocean velocities and RHS of momentum equation |
---|
[503] | 634 | !! |
---|
| 635 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
[14060] | 636 | INTEGER :: iktb, iktt ! jk indices at tracer points for top and bottom points |
---|
[503] | 637 | REAL(wp) :: zcoef0, zep, cffw ! temporary scalars |
---|
[14060] | 638 | REAL(wp) :: z_grav_10, z1_12 |
---|
| 639 | REAL(wp) :: cffu, cffx ! " " |
---|
| 640 | REAL(wp) :: cffv, cffy ! " " |
---|
[6152] | 641 | LOGICAL :: ll_tmp1, ll_tmp2 ! local logical variables |
---|
[9019] | 642 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zhpi, zhpj |
---|
[14060] | 643 | |
---|
| 644 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zdzx, zdzy, zdzz ! Primitive grid differences ('delta_xyz') |
---|
| 645 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zdz_i, zdz_j, zdz_k ! Harmonic average of primitive grid differences ('d_xyz') |
---|
| 646 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zdrhox, zdrhoy, zdrhoz ! Primitive rho differences ('delta_rho') |
---|
| 647 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zdrho_i, zdrho_j, zdrho_k ! Harmonic average of primitive rho differences ('d_rho') |
---|
| 648 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: z_rho_i, z_rho_j, z_rho_k ! Face intergrals |
---|
| 649 | REAL(wp), DIMENSION(jpi,jpj) :: zz_dz_i, zz_dz_j, zz_drho_i, zz_drho_j ! temporary arrays |
---|
[9019] | 650 | REAL(wp), DIMENSION(:,:), ALLOCATABLE :: zcpx, zcpy !W/D pressure filter |
---|
[455] | 651 | !!---------------------------------------------------------------------- |
---|
[3294] | 652 | ! |
---|
[9023] | 653 | IF( ln_wd_il ) THEN |
---|
[9019] | 654 | ALLOCATE( zcpx(jpi,jpj) , zcpy(jpi,jpj) ) |
---|
[13295] | 655 | DO_2D( 0, 0, 0, 0 ) |
---|
[12377] | 656 | ll_tmp1 = MIN( ssh(ji,jj,Kmm) , ssh(ji+1,jj,Kmm) ) > & |
---|
| 657 | & MAX( -ht_0(ji,jj) , -ht_0(ji+1,jj) ) .AND. & |
---|
| 658 | & MAX( ssh(ji,jj,Kmm) + ht_0(ji,jj), ssh(ji+1,jj,Kmm) + ht_0(ji+1,jj) ) & |
---|
| 659 | & > rn_wdmin1 + rn_wdmin2 |
---|
| 660 | ll_tmp2 = ( ABS( ssh(ji,jj,Kmm) - ssh(ji+1,jj,Kmm) ) > 1.E-12 ) .AND. ( & |
---|
| 661 | & MAX( ssh(ji,jj,Kmm) , ssh(ji+1,jj,Kmm) ) > & |
---|
| 662 | & MAX( -ht_0(ji,jj) , -ht_0(ji+1,jj) ) + rn_wdmin1 + rn_wdmin2 ) |
---|
| 663 | IF(ll_tmp1) THEN |
---|
| 664 | zcpx(ji,jj) = 1.0_wp |
---|
| 665 | ELSE IF(ll_tmp2) THEN |
---|
| 666 | ! no worries about ssh(ji+1,jj,Kmm) - ssh(ji ,jj,Kmm) = 0, it won't happen ! here |
---|
| 667 | zcpx(ji,jj) = ABS( (ssh(ji+1,jj,Kmm) + ht_0(ji+1,jj) - ssh(ji,jj,Kmm) - ht_0(ji,jj)) & |
---|
| 668 | & / (ssh(ji+1,jj,Kmm) - ssh(ji ,jj,Kmm)) ) |
---|
| 669 | ELSE |
---|
| 670 | zcpx(ji,jj) = 0._wp |
---|
| 671 | END IF |
---|
| 672 | |
---|
| 673 | ll_tmp1 = MIN( ssh(ji,jj,Kmm) , ssh(ji,jj+1,Kmm) ) > & |
---|
| 674 | & MAX( -ht_0(ji,jj) , -ht_0(ji,jj+1) ) .AND. & |
---|
| 675 | & MAX( ssh(ji,jj,Kmm) + ht_0(ji,jj), ssh(ji,jj+1,Kmm) + ht_0(ji,jj+1) ) & |
---|
| 676 | & > rn_wdmin1 + rn_wdmin2 |
---|
| 677 | ll_tmp2 = ( ABS( ssh(ji,jj,Kmm) - ssh(ji,jj+1,Kmm) ) > 1.E-12 ) .AND. ( & |
---|
| 678 | & MAX( ssh(ji,jj,Kmm) , ssh(ji,jj+1,Kmm) ) > & |
---|
| 679 | & MAX( -ht_0(ji,jj) , -ht_0(ji,jj+1) ) + rn_wdmin1 + rn_wdmin2 ) |
---|
[6152] | 680 | |
---|
[12377] | 681 | IF(ll_tmp1) THEN |
---|
| 682 | zcpy(ji,jj) = 1.0_wp |
---|
| 683 | ELSE IF(ll_tmp2) THEN |
---|
| 684 | ! no worries about ssh(ji,jj+1,Kmm) - ssh(ji,jj ,Kmm) = 0, it won't happen ! here |
---|
| 685 | zcpy(ji,jj) = ABS( (ssh(ji,jj+1,Kmm) + ht_0(ji,jj+1) - ssh(ji,jj,Kmm) - ht_0(ji,jj)) & |
---|
| 686 | & / (ssh(ji,jj+1,Kmm) - ssh(ji,jj ,Kmm)) ) |
---|
| 687 | ELSE |
---|
| 688 | zcpy(ji,jj) = 0._wp |
---|
| 689 | END IF |
---|
| 690 | END_2D |
---|
[14338] | 691 | CALL lbc_lnk( 'dynhpg', zcpx, 'U', 1.0_wp, zcpy, 'V', 1.0_wp ) |
---|
[9023] | 692 | END IF |
---|
[6152] | 693 | |
---|
[455] | 694 | IF( kt == nit000 ) THEN |
---|
| 695 | IF(lwp) WRITE(numout,*) |
---|
| 696 | IF(lwp) WRITE(numout,*) 'dyn:hpg_djc : hydrostatic pressure gradient trend' |
---|
| 697 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~ s-coordinate case, density Jacobian with cubic polynomial scheme' |
---|
[216] | 698 | ENDIF |
---|
| 699 | |
---|
[503] | 700 | ! Local constant initialization |
---|
[2528] | 701 | zcoef0 = - grav * 0.5_wp |
---|
[14060] | 702 | z_grav_10 = grav / 10._wp |
---|
| 703 | z1_12 = 1.0_wp / 12._wp |
---|
[455] | 704 | |
---|
| 705 | !---------------------------------------------------------------------------------------- |
---|
[14060] | 706 | ! 1. compute and store elementary vertical differences in provisional arrays |
---|
[455] | 707 | !---------------------------------------------------------------------------------------- |
---|
| 708 | |
---|
[14060] | 709 | !!bug gm Not a true bug, but... zdzz=e3w for zdzx, zdzy verify what it is really |
---|
[455] | 710 | |
---|
[14060] | 711 | DO_3D( 1, 1, 1, 1, 2, jpkm1 ) |
---|
[14064] | 712 | zdrhoz(ji,jj,jk) = rhd (ji ,jj ,jk) - rhd (ji,jj,jk-1) |
---|
[14060] | 713 | zdzz (ji,jj,jk) = - gde3w(ji ,jj ,jk) + gde3w(ji,jj,jk-1) |
---|
[12377] | 714 | END_3D |
---|
[455] | 715 | |
---|
| 716 | !------------------------------------------------------------------------- |
---|
[14060] | 717 | ! 2. compute harmonic averages for vertical differences using eq. 5.18 |
---|
[455] | 718 | !------------------------------------------------------------------------- |
---|
| 719 | zep = 1.e-15 |
---|
| 720 | |
---|
[14060] | 721 | !! mb zdrho_k, zdz_k, zdrho_i, zdz_i, zdrho_j, zdz_j re-centred about the point (ji,jj,jk) |
---|
| 722 | zdrho_k(:,:,:) = 0._wp |
---|
| 723 | zdz_k (:,:,:) = 0._wp |
---|
[455] | 724 | |
---|
[14060] | 725 | DO_3D( 1, 1, 1, 1, 2, jpk-2 ) |
---|
| 726 | cffw = 2._wp * zdrhoz(ji ,jj ,jk) * zdrhoz(ji,jj,jk+1) |
---|
| 727 | IF( cffw > zep) THEN |
---|
| 728 | zdrho_k(ji,jj,jk) = cffw / ( zdrhoz(ji,jj,jk) + zdrhoz(ji,jj,jk+1) ) |
---|
| 729 | ENDIF |
---|
| 730 | zdz_k(ji,jj,jk) = 2._wp * zdzz(ji,jj,jk) * zdzz(ji,jj,jk+1) & |
---|
| 731 | & / ( zdzz(ji,jj,jk) + zdzz(ji,jj,jk+1) ) |
---|
| 732 | END_3D |
---|
[455] | 733 | |
---|
[14060] | 734 | !---------------------------------------------------------------------------------- |
---|
| 735 | ! 3. apply boundary conditions at top and bottom using 5.36-5.37 |
---|
| 736 | !---------------------------------------------------------------------------------- |
---|
[3764] | 737 | |
---|
[14060] | 738 | ! mb for sea-ice shelves we will need to re-write this upper boundary condition in the same form as the lower boundary condition |
---|
[14064] | 739 | zdrho_k(:,:,1) = aco_bc_vrt * ( rhd (:,:,2) - rhd (:,:,1) ) - bco_bc_vrt * zdrho_k(:,:,2) |
---|
[14060] | 740 | zdz_k (:,:,1) = aco_bc_vrt * (-gde3w(:,:,2) + gde3w(:,:,1) ) - bco_bc_vrt * zdz_k (:,:,2) |
---|
[455] | 741 | |
---|
[14060] | 742 | DO_2D( 1, 1, 1, 1 ) |
---|
| 743 | IF ( mbkt(ji,jj)>1 ) THEN |
---|
| 744 | iktb = mbkt(ji,jj) |
---|
[14064] | 745 | zdrho_k(ji,jj,iktb) = aco_bc_vrt * ( rhd(ji,jj,iktb) - rhd(ji,jj,iktb-1) ) - bco_bc_vrt * zdrho_k(ji,jj,iktb-1) |
---|
[14060] | 746 | zdz_k (ji,jj,iktb) = aco_bc_vrt * (-gde3w(ji,jj,iktb) + gde3w(ji,jj,iktb-1) ) - bco_bc_vrt * zdz_k (ji,jj,iktb-1) |
---|
| 747 | END IF |
---|
| 748 | END_2D |
---|
[455] | 749 | |
---|
[14060] | 750 | !-------------------------------------------------------------- |
---|
| 751 | ! 4. Compute side face integrals |
---|
| 752 | !------------------------------------------------------------- |
---|
[455] | 753 | |
---|
[14060] | 754 | !! ssh replaces e3w_n ; gde3w is a depth; the formulae involve heights |
---|
| 755 | !! rho_k stores grav * FX / rho_0 |
---|
| 756 | |
---|
| 757 | !-------------------------------------------------------------- |
---|
| 758 | ! 4. a) Upper half of top-most grid box, compute and store |
---|
| 759 | !------------------------------------------------------------- |
---|
[14118] | 760 | ! *** AY note: ssh(ji,jj,Kmm) + gde3w(ji,jj,1) = e3w(ji,jj,1,Kmm) |
---|
[14060] | 761 | DO_2D( 0, 1, 0, 1) |
---|
| 762 | z_rho_k(ji,jj,1) = grav * ( ssh(ji,jj,Kmm) + gde3w(ji,jj,1) ) & |
---|
[14064] | 763 | & * ( rhd(ji,jj,1) & |
---|
| 764 | & + 0.5_wp * ( rhd (ji,jj,2) - rhd (ji,jj,1) ) & |
---|
[14060] | 765 | & * ( ssh (ji,jj,Kmm) + gde3w(ji,jj,1) ) & |
---|
| 766 | & / ( - gde3w(ji,jj,2) + gde3w(ji,jj,1) ) ) |
---|
| 767 | END_2D |
---|
| 768 | |
---|
| 769 | !-------------------------------------------------------------- |
---|
| 770 | ! 4. b) Interior faces, compute and store |
---|
| 771 | !------------------------------------------------------------- |
---|
| 772 | |
---|
| 773 | DO_3D( 0, 1, 0, 1, 2, jpkm1 ) |
---|
[14064] | 774 | z_rho_k(ji,jj,jk) = zcoef0 * ( rhd (ji,jj,jk) + rhd (ji,jj,jk-1) ) & |
---|
[14060] | 775 | & * ( - gde3w(ji,jj,jk) + gde3w(ji,jj,jk-1) ) & |
---|
| 776 | & + z_grav_10 * ( & |
---|
| 777 | & ( zdrho_k (ji,jj,jk) - zdrho_k (ji,jj,jk-1) ) & |
---|
| 778 | & * ( - gde3w(ji,jj,jk) + gde3w(ji,jj,jk-1) - z1_12 * ( zdz_k (ji,jj,jk) + zdz_k (ji,jj,jk-1) ) ) & |
---|
| 779 | & - ( zdz_k (ji,jj,jk) - zdz_k (ji,jj,jk-1) ) & |
---|
[14064] | 780 | & * ( rhd (ji,jj,jk) - rhd (ji,jj,jk-1) - z1_12 * ( zdrho_k(ji,jj,jk) + zdrho_k(ji,jj,jk-1) ) ) & |
---|
[14060] | 781 | & ) |
---|
| 782 | END_3D |
---|
| 783 | |
---|
| 784 | !---------------------------------------------------------------------------------------- |
---|
| 785 | ! 5. compute and store elementary horizontal differences in provisional arrays |
---|
| 786 | !---------------------------------------------------------------------------------------- |
---|
| 787 | |
---|
| 788 | DO_3D( 1, 0, 1, 0, 1, jpkm1 ) |
---|
[14064] | 789 | zdrhox(ji,jj,jk) = rhd (ji+1,jj ,jk) - rhd (ji,jj,jk ) |
---|
[14060] | 790 | zdzx (ji,jj,jk) = - gde3w(ji+1,jj ,jk) + gde3w(ji,jj,jk ) |
---|
[14064] | 791 | zdrhoy(ji,jj,jk) = rhd (ji ,jj+1,jk) - rhd (ji,jj,jk ) |
---|
[14060] | 792 | zdzy (ji,jj,jk) = - gde3w(ji ,jj+1,jk) + gde3w(ji,jj,jk ) |
---|
| 793 | END_3D |
---|
| 794 | |
---|
[14338] | 795 | CALL lbc_lnk( 'dynhpg', zdrhox, 'U', 1., zdzx, 'U', 1., zdrhoy, 'V', 1., zdzy, 'V', 1. ) |
---|
[14060] | 796 | |
---|
| 797 | !------------------------------------------------------------------------- |
---|
| 798 | ! 6. compute harmonic averages using eq. 5.18 |
---|
| 799 | !------------------------------------------------------------------------- |
---|
| 800 | |
---|
| 801 | DO_3D( 0, 1, 0, 1, 1, jpkm1 ) |
---|
| 802 | cffu = 2._wp * zdrhox(ji-1,jj ,jk) * zdrhox(ji,jj,jk ) |
---|
[12377] | 803 | IF( cffu > zep ) THEN |
---|
[14060] | 804 | zdrho_i(ji,jj,jk) = cffu / ( zdrhox(ji-1,jj,jk) + zdrhox(ji,jj,jk) ) |
---|
[12377] | 805 | ELSE |
---|
[14060] | 806 | zdrho_i(ji,jj,jk ) = 0._wp |
---|
[12377] | 807 | ENDIF |
---|
[455] | 808 | |
---|
[14060] | 809 | cffx = 2._wp * zdzx (ji-1,jj ,jk) * zdzx (ji,jj,jk ) |
---|
[12377] | 810 | IF( cffx > zep ) THEN |
---|
[14060] | 811 | zdz_i(ji,jj,jk) = cffx / ( zdzx(ji-1,jj,jk) + zdzx(ji,jj,jk) ) |
---|
[12377] | 812 | ELSE |
---|
[14060] | 813 | zdz_i(ji,jj,jk) = 0._wp |
---|
[12377] | 814 | ENDIF |
---|
[455] | 815 | |
---|
[14060] | 816 | cffv = 2._wp * zdrhoy(ji ,jj-1,jk) * zdrhoy(ji,jj,jk ) |
---|
[12377] | 817 | IF( cffv > zep ) THEN |
---|
[14060] | 818 | zdrho_j(ji,jj,jk) = cffv / ( zdrhoy(ji,jj-1,jk) + zdrhoy(ji,jj,jk) ) |
---|
[12377] | 819 | ELSE |
---|
[14060] | 820 | zdrho_j(ji,jj,jk) = 0._wp |
---|
[12377] | 821 | ENDIF |
---|
[455] | 822 | |
---|
[14060] | 823 | cffy = 2._wp * zdzy (ji ,jj-1,jk) * zdzy (ji,jj,jk ) |
---|
[12377] | 824 | IF( cffy > zep ) THEN |
---|
[14060] | 825 | zdz_j(ji,jj,jk) = cffy / ( zdzy(ji,jj-1,jk) + zdzy(ji,jj,jk) ) |
---|
[12377] | 826 | ELSE |
---|
[14060] | 827 | zdz_j(ji,jj,jk) = 0._wp |
---|
[12377] | 828 | ENDIF |
---|
| 829 | END_3D |
---|
[14060] | 830 | |
---|
| 831 | !!! Note that zdzx, zdzy, zdzz, zdrhox, zdrhoy and zdrhoz should NOT be used beyond this point |
---|
[455] | 832 | |
---|
| 833 | !---------------------------------------------------------------------------------- |
---|
[14060] | 834 | ! 6B. apply boundary conditions at side boundaries using 5.36-5.37 |
---|
[455] | 835 | !---------------------------------------------------------------------------------- |
---|
| 836 | |
---|
[14060] | 837 | DO jk = 1, jpkm1 |
---|
| 838 | zz_drho_i(:,:) = zdrho_i(:,:,jk) |
---|
| 839 | zz_dz_i (:,:) = zdz_i (:,:,jk) |
---|
| 840 | zz_drho_j(:,:) = zdrho_j(:,:,jk) |
---|
| 841 | zz_dz_j (:,:) = zdz_j (:,:,jk) |
---|
| 842 | DO_2D( 0, 1, 0, 1) |
---|
| 843 | ! Walls coming from left: should check from 2 to jpi-1 (and jpj=2-jpj) |
---|
| 844 | IF (ji < jpi) THEN |
---|
| 845 | IF ( umask(ji,jj,jk) > 0.5_wp .AND. umask(ji-1,jj,jk) < 0.5_wp .AND. umask(ji+1,jj,jk) > 0.5_wp) THEN |
---|
[14064] | 846 | zz_drho_i(ji,jj) = aco_bc_hor * ( rhd (ji+1,jj,jk) - rhd (ji,jj,jk) ) - bco_bc_hor * zdrho_i(ji+1,jj,jk) |
---|
[14060] | 847 | zz_dz_i (ji,jj) = aco_bc_hor * (-gde3w(ji+1,jj,jk) + gde3w(ji,jj,jk) ) - bco_bc_hor * zdz_i (ji+1,jj,jk) |
---|
| 848 | END IF |
---|
| 849 | END IF |
---|
| 850 | ! Walls coming from right: should check from 3 to jpi (and jpj=2-jpj) |
---|
| 851 | IF (ji > 2) THEN |
---|
| 852 | IF ( umask(ji,jj,jk) < 0.5_wp .AND. umask(ji-1,jj,jk) > 0.5_wp .AND. umask(ji-2,jj,jk) > 0.5_wp) THEN |
---|
[14064] | 853 | zz_drho_i(ji,jj) = aco_bc_hor * ( rhd (ji,jj,jk) - rhd (ji-1,jj,jk) ) - bco_bc_hor * zdrho_i(ji-1,jj,jk) |
---|
[14060] | 854 | zz_dz_i (ji,jj) = aco_bc_hor * (-gde3w(ji,jj,jk) + gde3w(ji-1,jj,jk) ) - bco_bc_hor * zdz_i (ji-1,jj,jk) |
---|
| 855 | END IF |
---|
| 856 | END IF |
---|
| 857 | ! Walls coming from left: should check from 2 to jpj-1 (and jpi=2-jpi) |
---|
| 858 | IF (jj < jpj) THEN |
---|
| 859 | IF ( vmask(ji,jj,jk) > 0.5_wp .AND. vmask(ji,jj-1,jk) < 0.5_wp .AND. vmask(ji,jj+1,jk) > 0.5_wp) THEN |
---|
[14064] | 860 | zz_drho_j(ji,jj) = aco_bc_hor * ( rhd (ji,jj+1,jk) - rhd (ji,jj,jk) ) - bco_bc_hor * zdrho_j(ji,jj+1,jk) |
---|
[14060] | 861 | zz_dz_j (ji,jj) = aco_bc_hor * (-gde3w(ji,jj+1,jk) + gde3w(ji,jj,jk) ) - bco_bc_hor * zdz_j (ji,jj+1,jk) |
---|
| 862 | END IF |
---|
| 863 | END IF |
---|
| 864 | ! Walls coming from right: should check from 3 to jpj (and jpi=2-jpi) |
---|
| 865 | IF (jj > 2) THEN |
---|
| 866 | IF ( vmask(ji,jj,jk) < 0.5_wp .AND. vmask(ji,jj-1,jk) > 0.5_wp .AND. vmask(ji,jj-2,jk) > 0.5_wp) THEN |
---|
[14064] | 867 | zz_drho_j(ji,jj) = aco_bc_hor * ( rhd (ji,jj,jk) - rhd (ji,jj-1,jk) ) - bco_bc_hor * zdrho_j(ji,jj-1,jk) |
---|
[14060] | 868 | zz_dz_j (ji,jj) = aco_bc_hor * (-gde3w(ji,jj,jk) + gde3w(ji,jj-1,jk) ) - bco_bc_hor * zdz_j (ji,jj-1,jk) |
---|
| 869 | END IF |
---|
| 870 | END IF |
---|
| 871 | END_2D |
---|
| 872 | zdrho_i(:,:,jk) = zz_drho_i(:,:) |
---|
| 873 | zdz_i (:,:,jk) = zz_dz_i (:,:) |
---|
| 874 | zdrho_j(:,:,jk) = zz_drho_j(:,:) |
---|
| 875 | zdz_j (:,:,jk) = zz_dz_j (:,:) |
---|
| 876 | END DO |
---|
[455] | 877 | |
---|
| 878 | !-------------------------------------------------------------- |
---|
[14060] | 879 | ! 7. Calculate integrals on side faces |
---|
[455] | 880 | !------------------------------------------------------------- |
---|
| 881 | |
---|
[14060] | 882 | DO_3D( 0, 0, 0, 0, 1, jpkm1 ) |
---|
| 883 | ! two -ve signs cancel in next two lines (within zcoef0 and because gde3w is a depth not a height) |
---|
[14064] | 884 | z_rho_i(ji,jj,jk) = zcoef0 * ( rhd (ji+1,jj,jk) + rhd (ji,jj,jk) ) & |
---|
[14060] | 885 | & * ( gde3w(ji+1,jj,jk) - gde3w(ji,jj,jk) ) |
---|
| 886 | IF ( umask(ji-1, jj, jk) > 0.5 .OR. umask(ji+1, jj, jk) > 0.5 ) THEN |
---|
| 887 | z_rho_i(ji,jj,jk) = z_rho_i(ji,jj,jk) - z_grav_10 * ( & |
---|
| 888 | & ( zdrho_i (ji+1,jj,jk) - zdrho_i (ji,jj,jk) ) & |
---|
| 889 | & * ( - gde3w(ji+1,jj,jk) + gde3w(ji,jj,jk) - z1_12 * ( zdz_i (ji+1,jj,jk) + zdz_i (ji,jj,jk) ) ) & |
---|
| 890 | & - ( zdz_i (ji+1,jj,jk) - zdz_i (ji,jj,jk) ) & |
---|
[14064] | 891 | & * ( rhd (ji+1,jj,jk) - rhd (ji,jj,jk) - z1_12 * ( zdrho_i(ji+1,jj,jk) + zdrho_i(ji,jj,jk) ) ) & |
---|
[14060] | 892 | & ) |
---|
| 893 | END IF |
---|
| 894 | |
---|
[14064] | 895 | z_rho_j(ji,jj,jk) = zcoef0 * ( rhd (ji,jj+1,jk) + rhd (ji,jj,jk) ) & |
---|
[14060] | 896 | & * ( gde3w(ji,jj+1,jk) - gde3w(ji,jj,jk) ) |
---|
| 897 | IF ( vmask(ji, jj-1, jk) > 0.5 .OR. vmask(ji, jj+1, jk) > 0.5 ) THEN |
---|
| 898 | z_rho_j(ji,jj,jk) = z_rho_j(ji,jj,jk) - z_grav_10 * ( & |
---|
| 899 | & ( zdrho_j (ji,jj+1,jk) - zdrho_j (ji,jj,jk) ) & |
---|
| 900 | & * ( - gde3w(ji,jj+1,jk) + gde3w(ji,jj,jk) - z1_12 * ( zdz_j (ji,jj+1,jk) + zdz_j (ji,jj,jk) ) ) & |
---|
| 901 | & - ( zdz_j (ji,jj+1,jk) - zdz_j (ji,jj,jk) ) & |
---|
[14064] | 902 | & * ( rhd (ji,jj+1,jk) - rhd (ji,jj,jk) - z1_12 * ( zdrho_j(ji,jj+1,jk) + zdrho_j(ji,jj,jk) ) ) & |
---|
[14060] | 903 | & ) |
---|
| 904 | END IF |
---|
| 905 | END_3D |
---|
[455] | 906 | |
---|
[14060] | 907 | !-------------------------------------------------------------- |
---|
| 908 | ! 8. Integrate in the vertical |
---|
| 909 | !------------------------------------------------------------- |
---|
[14064] | 910 | ! |
---|
[455] | 911 | ! --------------- |
---|
| 912 | ! Surface value |
---|
| 913 | ! --------------- |
---|
[13295] | 914 | DO_2D( 0, 0, 0, 0 ) |
---|
[14060] | 915 | zhpi(ji,jj,1) = ( z_rho_k(ji,jj,1) - z_rho_k(ji+1,jj ,1) - z_rho_i(ji,jj,1) ) * r1_e1u(ji,jj) |
---|
| 916 | zhpj(ji,jj,1) = ( z_rho_k(ji,jj,1) - z_rho_k(ji ,jj+1,1) - z_rho_j(ji,jj,1) ) * r1_e2v(ji,jj) |
---|
[12377] | 917 | IF( ln_wd_il ) THEN |
---|
| 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 |
---|
| 921 | ! add to the general momentum trend |
---|
| 922 | puu(ji,jj,1,Krhs) = puu(ji,jj,1,Krhs) + zhpi(ji,jj,1) |
---|
| 923 | pvv(ji,jj,1,Krhs) = pvv(ji,jj,1,Krhs) + zhpj(ji,jj,1) |
---|
| 924 | END_2D |
---|
[455] | 925 | |
---|
| 926 | ! ---------------- |
---|
| 927 | ! interior value (2=<jk=<jpkm1) |
---|
| 928 | ! ---------------- |
---|
[13295] | 929 | DO_3D( 0, 0, 0, 0, 2, jpkm1 ) |
---|
[12377] | 930 | ! hydrostatic pressure gradient along s-surfaces |
---|
[14060] | 931 | zhpi(ji,jj,jk) = zhpi(ji,jj,jk-1) & |
---|
| 932 | & + ( ( z_rho_k(ji,jj,jk) - z_rho_k(ji+1,jj,jk ) ) & |
---|
| 933 | & - ( z_rho_i(ji,jj,jk) - z_rho_i(ji ,jj,jk-1) ) ) * r1_e1u(ji,jj) |
---|
| 934 | zhpj(ji,jj,jk) = zhpj(ji,jj,jk-1) & |
---|
| 935 | & + ( ( z_rho_k(ji,jj,jk) - z_rho_k(ji,jj+1,jk ) ) & |
---|
| 936 | & -( z_rho_j(ji,jj,jk) - z_rho_j(ji,jj ,jk-1) ) ) * r1_e2v(ji,jj) |
---|
[12377] | 937 | IF( ln_wd_il ) THEN |
---|
| 938 | zhpi(ji,jj,jk) = zhpi(ji,jj,jk) * zcpx(ji,jj) |
---|
| 939 | zhpj(ji,jj,jk) = zhpj(ji,jj,jk) * zcpy(ji,jj) |
---|
| 940 | ENDIF |
---|
| 941 | ! add to the general momentum trend |
---|
| 942 | puu(ji,jj,jk,Krhs) = puu(ji,jj,jk,Krhs) + zhpi(ji,jj,jk) |
---|
| 943 | pvv(ji,jj,jk,Krhs) = pvv(ji,jj,jk,Krhs) + zhpj(ji,jj,jk) |
---|
| 944 | END_3D |
---|
[503] | 945 | ! |
---|
[9023] | 946 | IF( ln_wd_il ) DEALLOCATE( zcpx, zcpy ) |
---|
[2715] | 947 | ! |
---|
[455] | 948 | END SUBROUTINE hpg_djc |
---|
| 949 | |
---|
| 950 | |
---|
[12377] | 951 | SUBROUTINE hpg_prj( kt, Kmm, puu, pvv, Krhs ) |
---|
[455] | 952 | !!--------------------------------------------------------------------- |
---|
[3294] | 953 | !! *** ROUTINE hpg_prj *** |
---|
[455] | 954 | !! |
---|
[3294] | 955 | !! ** Method : s-coordinate case. |
---|
| 956 | !! A Pressure-Jacobian horizontal pressure gradient method |
---|
| 957 | !! based on the constrained cubic-spline interpolation for |
---|
| 958 | !! all vertical coordinate systems |
---|
[455] | 959 | !! |
---|
[12377] | 960 | !! ** Action : - Update (puu(:,:,:,Krhs),pvv(:,:,:,Krhs)) with the now hydrastatic pressure trend |
---|
[455] | 961 | !!---------------------------------------------------------------------- |
---|
[3294] | 962 | INTEGER, PARAMETER :: polynomial_type = 1 ! 1: cubic spline, 2: linear |
---|
[12377] | 963 | INTEGER , INTENT( in ) :: kt ! ocean time-step index |
---|
| 964 | INTEGER , INTENT( in ) :: Kmm, Krhs ! ocean time level indices |
---|
| 965 | REAL(wp), DIMENSION(jpi,jpj,jpk,jpt), INTENT(inout) :: puu, pvv ! ocean velocities and RHS of momentum equation |
---|
[503] | 966 | !! |
---|
[3294] | 967 | INTEGER :: ji, jj, jk, jkk ! dummy loop indices |
---|
[6140] | 968 | REAL(wp) :: zcoef0, znad ! local scalars |
---|
| 969 | ! |
---|
[3294] | 970 | !! The local variables for the correction term |
---|
| 971 | INTEGER :: jk1, jis, jid, jjs, jjd |
---|
[6152] | 972 | LOGICAL :: ll_tmp1, ll_tmp2 ! local logical variables |
---|
[3294] | 973 | REAL(wp) :: zuijk, zvijk, zpwes, zpwed, zpnss, zpnsd, zdeps |
---|
[3764] | 974 | REAL(wp) :: zrhdt1 |
---|
[3294] | 975 | REAL(wp) :: zdpdx1, zdpdx2, zdpdy1, zdpdy2 |
---|
[14064] | 976 | REAL(wp), DIMENSION(jpi,jpj) :: zpgu, zpgv ! 2D workspace |
---|
| 977 | REAL(wp), DIMENSION(jpi,jpj) :: zsshu_n, zsshv_n |
---|
[9019] | 978 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zdept, zrhh |
---|
| 979 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zhpi, zu, zv, fsp, xsp, asp, bsp, csp, dsp |
---|
| 980 | REAL(wp), DIMENSION(:,:), ALLOCATABLE :: zcpx, zcpy !W/D pressure filter |
---|
[455] | 981 | !!---------------------------------------------------------------------- |
---|
[3294] | 982 | ! |
---|
[455] | 983 | IF( kt == nit000 ) THEN |
---|
| 984 | IF(lwp) WRITE(numout,*) |
---|
[3294] | 985 | IF(lwp) WRITE(numout,*) 'dyn:hpg_prj : hydrostatic pressure gradient trend' |
---|
| 986 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~ s-coordinate case, cubic spline pressure Jacobian' |
---|
[3] | 987 | ENDIF |
---|
| 988 | |
---|
[3294] | 989 | ! Local constant initialization |
---|
[3764] | 990 | zcoef0 = - grav |
---|
[6140] | 991 | znad = 1._wp |
---|
[14064] | 992 | IF( ln_linssh ) znad = 1._wp |
---|
| 993 | ! |
---|
| 994 | ! --------------- |
---|
| 995 | ! Surface pressure gradient to be removed |
---|
| 996 | ! --------------- |
---|
| 997 | DO_2D( 0, 0, 0, 0 ) |
---|
| 998 | zpgu(ji,jj) = - grav * ( ssh(ji+1,jj,Kmm) - ssh(ji,jj,Kmm) ) * r1_e1u(ji,jj) |
---|
| 999 | zpgv(ji,jj) = - grav * ( ssh(ji,jj+1,Kmm) - ssh(ji,jj,Kmm) ) * r1_e2v(ji,jj) |
---|
| 1000 | END_2D |
---|
| 1001 | ! |
---|
[9023] | 1002 | IF( ln_wd_il ) THEN |
---|
[9019] | 1003 | ALLOCATE( zcpx(jpi,jpj) , zcpy(jpi,jpj) ) |
---|
[13295] | 1004 | DO_2D( 0, 0, 0, 0 ) |
---|
[12377] | 1005 | ll_tmp1 = MIN( ssh(ji,jj,Kmm) , ssh(ji+1,jj,Kmm) ) > & |
---|
| 1006 | & MAX( -ht_0(ji,jj) , -ht_0(ji+1,jj) ) .AND. & |
---|
| 1007 | & MAX( ssh(ji,jj,Kmm) + ht_0(ji,jj), ssh(ji+1,jj,Kmm) + ht_0(ji+1,jj) ) & |
---|
| 1008 | & > rn_wdmin1 + rn_wdmin2 |
---|
| 1009 | ll_tmp2 = ( ABS( ssh(ji,jj,Kmm) - ssh(ji+1,jj,Kmm) ) > 1.E-12 ) .AND. ( & |
---|
| 1010 | & MAX( ssh(ji,jj,Kmm) , ssh(ji+1,jj,Kmm) ) > & |
---|
| 1011 | & MAX( -ht_0(ji,jj) , -ht_0(ji+1,jj) ) + rn_wdmin1 + rn_wdmin2 ) |
---|
[6152] | 1012 | |
---|
[12377] | 1013 | IF(ll_tmp1) THEN |
---|
| 1014 | zcpx(ji,jj) = 1.0_wp |
---|
| 1015 | ELSE IF(ll_tmp2) THEN |
---|
| 1016 | ! no worries about ssh(ji+1,jj,Kmm) - ssh(ji ,jj,Kmm) = 0, it won't happen ! here |
---|
| 1017 | zcpx(ji,jj) = ABS( (ssh(ji+1,jj,Kmm) + ht_0(ji+1,jj) - ssh(ji,jj,Kmm) - ht_0(ji,jj)) & |
---|
| 1018 | & / (ssh(ji+1,jj,Kmm) - ssh(ji ,jj,Kmm)) ) |
---|
| 1019 | |
---|
| 1020 | zcpx(ji,jj) = max(min( zcpx(ji,jj) , 1.0_wp),0.0_wp) |
---|
| 1021 | ELSE |
---|
| 1022 | zcpx(ji,jj) = 0._wp |
---|
| 1023 | END IF |
---|
| 1024 | |
---|
| 1025 | ll_tmp1 = MIN( ssh(ji,jj,Kmm) , ssh(ji,jj+1,Kmm) ) > & |
---|
| 1026 | & MAX( -ht_0(ji,jj) , -ht_0(ji,jj+1) ) .AND. & |
---|
| 1027 | & MAX( ssh(ji,jj,Kmm) + ht_0(ji,jj), ssh(ji,jj+1,Kmm) + ht_0(ji,jj+1) ) & |
---|
| 1028 | & > rn_wdmin1 + rn_wdmin2 |
---|
| 1029 | ll_tmp2 = ( ABS( ssh(ji,jj,Kmm) - ssh(ji,jj+1,Kmm) ) > 1.E-12 ) .AND. ( & |
---|
| 1030 | & MAX( ssh(ji,jj,Kmm) , ssh(ji,jj+1,Kmm) ) > & |
---|
| 1031 | & MAX( -ht_0(ji,jj) , -ht_0(ji,jj+1) ) + rn_wdmin1 + rn_wdmin2 ) |
---|
[6152] | 1032 | |
---|
[12377] | 1033 | IF(ll_tmp1) THEN |
---|
| 1034 | zcpy(ji,jj) = 1.0_wp |
---|
| 1035 | ELSE IF(ll_tmp2) THEN |
---|
| 1036 | ! no worries about ssh(ji,jj+1,Kmm) - ssh(ji,jj ,Kmm) = 0, it won't happen ! here |
---|
| 1037 | zcpy(ji,jj) = ABS( (ssh(ji,jj+1,Kmm) + ht_0(ji,jj+1) - ssh(ji,jj,Kmm) - ht_0(ji,jj)) & |
---|
| 1038 | & / (ssh(ji,jj+1,Kmm) - ssh(ji,jj ,Kmm)) ) |
---|
| 1039 | zcpy(ji,jj) = max(min( zcpy(ji,jj) , 1.0_wp),0.0_wp) |
---|
[9023] | 1040 | |
---|
[12377] | 1041 | ELSE |
---|
| 1042 | zcpy(ji,jj) = 0._wp |
---|
| 1043 | ENDIF |
---|
| 1044 | END_2D |
---|
[14338] | 1045 | CALL lbc_lnk( 'dynhpg', zcpx, 'U', 1.0_wp, zcpy, 'V', 1.0_wp ) |
---|
[9019] | 1046 | ENDIF |
---|
[6152] | 1047 | |
---|
[3294] | 1048 | ! Clean 3-D work arrays |
---|
| 1049 | zhpi(:,:,:) = 0._wp |
---|
| 1050 | zrhh(:,:,:) = rhd(:,:,:) |
---|
[3764] | 1051 | |
---|
[3294] | 1052 | ! Preparing vertical density profile "zrhh(:,:,:)" for hybrid-sco coordinate |
---|
[13295] | 1053 | DO_2D( 1, 1, 1, 1 ) |
---|
[13288] | 1054 | jk = mbkt(ji,jj) |
---|
| 1055 | IF( jk <= 1 ) THEN ; zrhh(ji,jj, : ) = 0._wp |
---|
| 1056 | ELSEIF( jk == 2 ) THEN ; zrhh(ji,jj,jk+1:jpk) = rhd(ji,jj,jk) |
---|
[12377] | 1057 | ELSEIF( jk < jpkm1 ) THEN |
---|
| 1058 | DO jkk = jk+1, jpk |
---|
| 1059 | zrhh(ji,jj,jkk) = interp1(gde3w(ji,jj,jkk ), gde3w(ji,jj,jkk-1), & |
---|
[13288] | 1060 | & gde3w(ji,jj,jkk-2), zrhh (ji,jj,jkk-1), zrhh(ji,jj,jkk-2)) |
---|
[12377] | 1061 | END DO |
---|
| 1062 | ENDIF |
---|
| 1063 | END_2D |
---|
[3] | 1064 | |
---|
[3632] | 1065 | ! Transfer the depth of "T(:,:,:)" to vertical coordinate "zdept(:,:,:)" |
---|
[13295] | 1066 | DO_2D( 1, 1, 1, 1 ) |
---|
[14064] | 1067 | zdept(ji,jj,1) = 0.5_wp * e3w(ji,jj,1,Kmm) - ssh(ji,jj,Kmm) |
---|
[12377] | 1068 | END_2D |
---|
[455] | 1069 | |
---|
[13295] | 1070 | DO_3D( 1, 1, 1, 1, 2, jpk ) |
---|
[12377] | 1071 | zdept(ji,jj,jk) = zdept(ji,jj,jk-1) + e3w(ji,jj,jk,Kmm) |
---|
| 1072 | END_3D |
---|
[455] | 1073 | |
---|
[4990] | 1074 | fsp(:,:,:) = zrhh (:,:,:) |
---|
[3632] | 1075 | xsp(:,:,:) = zdept(:,:,:) |
---|
| 1076 | |
---|
[3764] | 1077 | ! Construct the vertical density profile with the |
---|
[3294] | 1078 | ! constrained cubic spline interpolation |
---|
| 1079 | ! rho(z) = asp + bsp*z + csp*z^2 + dsp*z^3 |
---|
[6140] | 1080 | CALL cspline( fsp, xsp, asp, bsp, csp, dsp, polynomial_type ) |
---|
[3294] | 1081 | |
---|
| 1082 | ! Integrate the hydrostatic pressure "zhpi(:,:,:)" at "T(ji,jj,1)" |
---|
[13295] | 1083 | DO_2D( 0, 1, 0, 1 ) |
---|
[12377] | 1084 | zrhdt1 = zrhh(ji,jj,1) - interp3( zdept(ji,jj,1), asp(ji,jj,1), bsp(ji,jj,1), & |
---|
| 1085 | & csp(ji,jj,1), dsp(ji,jj,1) ) * 0.25_wp * e3w(ji,jj,1,Kmm) |
---|
[3294] | 1086 | |
---|
[12377] | 1087 | ! assuming linear profile across the top half surface layer |
---|
| 1088 | zhpi(ji,jj,1) = 0.5_wp * e3w(ji,jj,1,Kmm) * zrhdt1 |
---|
| 1089 | END_2D |
---|
[455] | 1090 | |
---|
[3294] | 1091 | ! Calculate the pressure "zhpi(:,:,:)" at "T(ji,jj,2:jpkm1)" |
---|
[13295] | 1092 | DO_3D( 0, 1, 0, 1, 2, jpkm1 ) |
---|
[12377] | 1093 | zhpi(ji,jj,jk) = zhpi(ji,jj,jk-1) + & |
---|
| 1094 | & integ_spline( zdept(ji,jj,jk-1), zdept(ji,jj,jk), & |
---|
| 1095 | & asp (ji,jj,jk-1), bsp (ji,jj,jk-1), & |
---|
| 1096 | & csp (ji,jj,jk-1), dsp (ji,jj,jk-1) ) |
---|
| 1097 | END_3D |
---|
[455] | 1098 | |
---|
[3294] | 1099 | ! Z coordinate of U(ji,jj,1:jpkm1) and V(ji,jj,1:jpkm1) |
---|
[5224] | 1100 | |
---|
| 1101 | ! Prepare zsshu_n and zsshv_n |
---|
[13295] | 1102 | DO_2D( 0, 0, 0, 0 ) |
---|
[6140] | 1103 | !!gm BUG ? if it is ssh at u- & v-point then it should be: |
---|
[12377] | 1104 | ! zsshu_n(ji,jj) = (e1e2t(ji,jj) * ssh(ji,jj,Kmm) + e1e2t(ji+1,jj) * ssh(ji+1,jj,Kmm)) * & |
---|
[6140] | 1105 | ! & r1_e1e2u(ji,jj) * umask(ji,jj,1) * 0.5_wp |
---|
[12377] | 1106 | ! zsshv_n(ji,jj) = (e1e2t(ji,jj) * ssh(ji,jj,Kmm) + e1e2t(ji,jj+1) * ssh(ji,jj+1,Kmm)) * & |
---|
[6140] | 1107 | ! & r1_e1e2v(ji,jj) * vmask(ji,jj,1) * 0.5_wp |
---|
| 1108 | !!gm not this: |
---|
[12377] | 1109 | zsshu_n(ji,jj) = (e1e2u(ji,jj) * ssh(ji,jj,Kmm) + e1e2u(ji+1, jj) * ssh(ji+1,jj,Kmm)) * & |
---|
| 1110 | & r1_e1e2u(ji,jj) * umask(ji,jj,1) * 0.5_wp |
---|
| 1111 | zsshv_n(ji,jj) = (e1e2v(ji,jj) * ssh(ji,jj,Kmm) + e1e2v(ji+1, jj) * ssh(ji,jj+1,Kmm)) * & |
---|
| 1112 | & r1_e1e2v(ji,jj) * vmask(ji,jj,1) * 0.5_wp |
---|
| 1113 | END_2D |
---|
[455] | 1114 | |
---|
[14338] | 1115 | CALL lbc_lnk ('dynhpg', zsshu_n, 'U', 1.0_wp, zsshv_n, 'V', 1.0_wp ) |
---|
[6152] | 1116 | |
---|
[13295] | 1117 | DO_2D( 0, 0, 0, 0 ) |
---|
[14064] | 1118 | zu(ji,jj,1) = - ( e3u(ji,jj,1,Kmm) - zsshu_n(ji,jj) ) |
---|
| 1119 | zv(ji,jj,1) = - ( e3v(ji,jj,1,Kmm) - zsshv_n(ji,jj) ) |
---|
[12377] | 1120 | END_2D |
---|
[5224] | 1121 | |
---|
[13295] | 1122 | DO_3D( 0, 0, 0, 0, 2, jpkm1 ) |
---|
[12377] | 1123 | zu(ji,jj,jk) = zu(ji,jj,jk-1) - e3u(ji,jj,jk,Kmm) |
---|
| 1124 | zv(ji,jj,jk) = zv(ji,jj,jk-1) - e3v(ji,jj,jk,Kmm) |
---|
| 1125 | END_3D |
---|
[3764] | 1126 | |
---|
[13295] | 1127 | DO_3D( 0, 0, 0, 0, 1, jpkm1 ) |
---|
[12377] | 1128 | zu(ji,jj,jk) = zu(ji,jj,jk) + 0.5_wp * e3u(ji,jj,jk,Kmm) |
---|
| 1129 | zv(ji,jj,jk) = zv(ji,jj,jk) + 0.5_wp * e3v(ji,jj,jk,Kmm) |
---|
| 1130 | END_3D |
---|
[455] | 1131 | |
---|
[13295] | 1132 | DO_3D( 0, 0, 0, 0, 1, jpkm1 ) |
---|
[12377] | 1133 | zu(ji,jj,jk) = MIN( zu(ji,jj,jk) , MAX( -zdept(ji,jj,jk) , -zdept(ji+1,jj,jk) ) ) |
---|
| 1134 | zu(ji,jj,jk) = MAX( zu(ji,jj,jk) , MIN( -zdept(ji,jj,jk) , -zdept(ji+1,jj,jk) ) ) |
---|
| 1135 | zv(ji,jj,jk) = MIN( zv(ji,jj,jk) , MAX( -zdept(ji,jj,jk) , -zdept(ji,jj+1,jk) ) ) |
---|
| 1136 | zv(ji,jj,jk) = MAX( zv(ji,jj,jk) , MIN( -zdept(ji,jj,jk) , -zdept(ji,jj+1,jk) ) ) |
---|
| 1137 | END_3D |
---|
[3632] | 1138 | |
---|
| 1139 | |
---|
[13295] | 1140 | DO_3D( 0, 0, 0, 0, 1, jpkm1 ) |
---|
[12377] | 1141 | zpwes = 0._wp; zpwed = 0._wp |
---|
| 1142 | zpnss = 0._wp; zpnsd = 0._wp |
---|
| 1143 | zuijk = zu(ji,jj,jk) |
---|
| 1144 | zvijk = zv(ji,jj,jk) |
---|
[3294] | 1145 | |
---|
[12377] | 1146 | !!!!! for u equation |
---|
| 1147 | IF( jk <= mbku(ji,jj) ) THEN |
---|
| 1148 | IF( -zdept(ji+1,jj,jk) >= -zdept(ji,jj,jk) ) THEN |
---|
| 1149 | jis = ji + 1; jid = ji |
---|
| 1150 | ELSE |
---|
| 1151 | jis = ji; jid = ji +1 |
---|
| 1152 | ENDIF |
---|
[3294] | 1153 | |
---|
[12377] | 1154 | ! integrate the pressure on the shallow side |
---|
| 1155 | jk1 = jk |
---|
| 1156 | DO WHILE ( -zdept(jis,jj,jk1) > zuijk ) |
---|
| 1157 | IF( jk1 == mbku(ji,jj) ) THEN |
---|
| 1158 | zuijk = -zdept(jis,jj,jk1) |
---|
| 1159 | EXIT |
---|
| 1160 | ENDIF |
---|
| 1161 | zdeps = MIN(zdept(jis,jj,jk1+1), -zuijk) |
---|
| 1162 | zpwes = zpwes + & |
---|
| 1163 | integ_spline(zdept(jis,jj,jk1), zdeps, & |
---|
| 1164 | asp(jis,jj,jk1), bsp(jis,jj,jk1), & |
---|
| 1165 | csp(jis,jj,jk1), dsp(jis,jj,jk1)) |
---|
| 1166 | jk1 = jk1 + 1 |
---|
| 1167 | END DO |
---|
[3764] | 1168 | |
---|
[12377] | 1169 | ! integrate the pressure on the deep side |
---|
| 1170 | jk1 = jk |
---|
| 1171 | DO WHILE ( -zdept(jid,jj,jk1) < zuijk ) |
---|
| 1172 | IF( jk1 == 1 ) THEN |
---|
| 1173 | zdeps = zdept(jid,jj,1) + MIN(zuijk, ssh(jid,jj,Kmm)*znad) |
---|
| 1174 | zrhdt1 = zrhh(jid,jj,1) - interp3(zdept(jid,jj,1), asp(jid,jj,1), & |
---|
| 1175 | bsp(jid,jj,1), csp(jid,jj,1), & |
---|
| 1176 | dsp(jid,jj,1)) * zdeps |
---|
| 1177 | zpwed = zpwed + 0.5_wp * (zrhh(jid,jj,1) + zrhdt1) * zdeps |
---|
| 1178 | EXIT |
---|
| 1179 | ENDIF |
---|
| 1180 | zdeps = MAX(zdept(jid,jj,jk1-1), -zuijk) |
---|
| 1181 | zpwed = zpwed + & |
---|
| 1182 | integ_spline(zdeps, zdept(jid,jj,jk1), & |
---|
| 1183 | asp(jid,jj,jk1-1), bsp(jid,jj,jk1-1), & |
---|
| 1184 | csp(jid,jj,jk1-1), dsp(jid,jj,jk1-1) ) |
---|
| 1185 | jk1 = jk1 - 1 |
---|
| 1186 | END DO |
---|
[3764] | 1187 | |
---|
[12377] | 1188 | ! update the momentum trends in u direction |
---|
[3294] | 1189 | |
---|
[12377] | 1190 | zdpdx1 = zcoef0 * r1_e1u(ji,jj) * ( zhpi(ji+1,jj,jk) - zhpi(ji,jj,jk) ) |
---|
| 1191 | IF( .NOT.ln_linssh ) THEN |
---|
| 1192 | zdpdx2 = zcoef0 * r1_e1u(ji,jj) * & |
---|
| 1193 | & ( REAL(jis-jid, wp) * (zpwes + zpwed) + (ssh(ji+1,jj,Kmm)-ssh(ji,jj,Kmm)) ) |
---|
| 1194 | ELSE |
---|
| 1195 | zdpdx2 = zcoef0 * r1_e1u(ji,jj) * REAL(jis-jid, wp) * (zpwes + zpwed) |
---|
| 1196 | ENDIF |
---|
| 1197 | IF( ln_wd_il ) THEN |
---|
| 1198 | zdpdx1 = zdpdx1 * zcpx(ji,jj) * wdrampu(ji,jj) |
---|
| 1199 | zdpdx2 = zdpdx2 * zcpx(ji,jj) * wdrampu(ji,jj) |
---|
| 1200 | ENDIF |
---|
[14064] | 1201 | puu(ji,jj,jk,Krhs) = puu(ji,jj,jk,Krhs) + (zdpdx1 + zdpdx2 - zpgu(ji,jj)) * umask(ji,jj,jk) |
---|
[12377] | 1202 | ENDIF |
---|
[3764] | 1203 | |
---|
[12377] | 1204 | !!!!! for v equation |
---|
| 1205 | IF( jk <= mbkv(ji,jj) ) THEN |
---|
| 1206 | IF( -zdept(ji,jj+1,jk) >= -zdept(ji,jj,jk) ) THEN |
---|
| 1207 | jjs = jj + 1; jjd = jj |
---|
| 1208 | ELSE |
---|
| 1209 | jjs = jj ; jjd = jj + 1 |
---|
| 1210 | ENDIF |
---|
[3294] | 1211 | |
---|
[12377] | 1212 | ! integrate the pressure on the shallow side |
---|
| 1213 | jk1 = jk |
---|
| 1214 | DO WHILE ( -zdept(ji,jjs,jk1) > zvijk ) |
---|
| 1215 | IF( jk1 == mbkv(ji,jj) ) THEN |
---|
| 1216 | zvijk = -zdept(ji,jjs,jk1) |
---|
| 1217 | EXIT |
---|
| 1218 | ENDIF |
---|
| 1219 | zdeps = MIN(zdept(ji,jjs,jk1+1), -zvijk) |
---|
| 1220 | zpnss = zpnss + & |
---|
| 1221 | integ_spline(zdept(ji,jjs,jk1), zdeps, & |
---|
| 1222 | asp(ji,jjs,jk1), bsp(ji,jjs,jk1), & |
---|
| 1223 | csp(ji,jjs,jk1), dsp(ji,jjs,jk1) ) |
---|
| 1224 | jk1 = jk1 + 1 |
---|
| 1225 | END DO |
---|
[3764] | 1226 | |
---|
[12377] | 1227 | ! integrate the pressure on the deep side |
---|
| 1228 | jk1 = jk |
---|
| 1229 | DO WHILE ( -zdept(ji,jjd,jk1) < zvijk ) |
---|
| 1230 | IF( jk1 == 1 ) THEN |
---|
| 1231 | zdeps = zdept(ji,jjd,1) + MIN(zvijk, ssh(ji,jjd,Kmm)*znad) |
---|
| 1232 | zrhdt1 = zrhh(ji,jjd,1) - interp3(zdept(ji,jjd,1), asp(ji,jjd,1), & |
---|
| 1233 | bsp(ji,jjd,1), csp(ji,jjd,1), & |
---|
| 1234 | dsp(ji,jjd,1) ) * zdeps |
---|
| 1235 | zpnsd = zpnsd + 0.5_wp * (zrhh(ji,jjd,1) + zrhdt1) * zdeps |
---|
| 1236 | EXIT |
---|
| 1237 | ENDIF |
---|
| 1238 | zdeps = MAX(zdept(ji,jjd,jk1-1), -zvijk) |
---|
| 1239 | zpnsd = zpnsd + & |
---|
| 1240 | integ_spline(zdeps, zdept(ji,jjd,jk1), & |
---|
| 1241 | asp(ji,jjd,jk1-1), bsp(ji,jjd,jk1-1), & |
---|
| 1242 | csp(ji,jjd,jk1-1), dsp(ji,jjd,jk1-1) ) |
---|
| 1243 | jk1 = jk1 - 1 |
---|
| 1244 | END DO |
---|
[3294] | 1245 | |
---|
[3764] | 1246 | |
---|
[12377] | 1247 | ! update the momentum trends in v direction |
---|
[3294] | 1248 | |
---|
[12377] | 1249 | zdpdy1 = zcoef0 * r1_e2v(ji,jj) * ( zhpi(ji,jj+1,jk) - zhpi(ji,jj,jk) ) |
---|
| 1250 | IF( .NOT.ln_linssh ) THEN |
---|
| 1251 | zdpdy2 = zcoef0 * r1_e2v(ji,jj) * & |
---|
| 1252 | ( REAL(jjs-jjd, wp) * (zpnss + zpnsd) + (ssh(ji,jj+1,Kmm)-ssh(ji,jj,Kmm)) ) |
---|
| 1253 | ELSE |
---|
| 1254 | zdpdy2 = zcoef0 * r1_e2v(ji,jj) * REAL(jjs-jjd, wp) * (zpnss + zpnsd ) |
---|
| 1255 | ENDIF |
---|
| 1256 | IF( ln_wd_il ) THEN |
---|
| 1257 | zdpdy1 = zdpdy1 * zcpy(ji,jj) * wdrampv(ji,jj) |
---|
| 1258 | zdpdy2 = zdpdy2 * zcpy(ji,jj) * wdrampv(ji,jj) |
---|
| 1259 | ENDIF |
---|
[6152] | 1260 | |
---|
[14064] | 1261 | pvv(ji,jj,jk,Krhs) = pvv(ji,jj,jk,Krhs) + (zdpdy1 + zdpdy2 - zpgv(ji,jj)) * vmask(ji,jj,jk) |
---|
[12377] | 1262 | ENDIF |
---|
| 1263 | ! |
---|
| 1264 | END_3D |
---|
[503] | 1265 | ! |
---|
[9023] | 1266 | IF( ln_wd_il ) DEALLOCATE( zcpx, zcpy ) |
---|
[2715] | 1267 | ! |
---|
[3294] | 1268 | END SUBROUTINE hpg_prj |
---|
[455] | 1269 | |
---|
[4990] | 1270 | |
---|
[6140] | 1271 | SUBROUTINE cspline( fsp, xsp, asp, bsp, csp, dsp, polynomial_type ) |
---|
[3294] | 1272 | !!---------------------------------------------------------------------- |
---|
| 1273 | !! *** ROUTINE cspline *** |
---|
[3764] | 1274 | !! |
---|
[3294] | 1275 | !! ** Purpose : constrained cubic spline interpolation |
---|
[3764] | 1276 | !! |
---|
| 1277 | !! ** Method : f(x) = asp + bsp*x + csp*x^2 + dsp*x^3 |
---|
[4990] | 1278 | !! |
---|
[3294] | 1279 | !! Reference: CJC Kruger, Constrained Cubic Spline Interpoltation |
---|
| 1280 | !!---------------------------------------------------------------------- |
---|
[6140] | 1281 | REAL(wp), DIMENSION(:,:,:), INTENT(in ) :: fsp, xsp ! value and coordinate |
---|
| 1282 | REAL(wp), DIMENSION(:,:,:), INTENT( out) :: asp, bsp, csp, dsp ! coefficients of the interpoated function |
---|
| 1283 | INTEGER , INTENT(in ) :: polynomial_type ! 1: cubic spline ; 2: Linear |
---|
[4990] | 1284 | ! |
---|
[3294] | 1285 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
| 1286 | INTEGER :: jpi, jpj, jpkm1 |
---|
| 1287 | REAL(wp) :: zdf1, zdf2, zddf1, zddf2, ztmp1, ztmp2, zdxtmp |
---|
| 1288 | REAL(wp) :: zdxtmp1, zdxtmp2, zalpha |
---|
| 1289 | REAL(wp) :: zdf(size(fsp,3)) |
---|
| 1290 | !!---------------------------------------------------------------------- |
---|
[6140] | 1291 | ! |
---|
| 1292 | !!gm WHAT !!!!! THIS IS VERY DANGEROUS !!!!! |
---|
[3294] | 1293 | jpi = size(fsp,1) |
---|
| 1294 | jpj = size(fsp,2) |
---|
[7761] | 1295 | jpkm1 = MAX( 1, size(fsp,3) - 1 ) |
---|
[6140] | 1296 | ! |
---|
[3294] | 1297 | IF (polynomial_type == 1) THEN ! Constrained Cubic Spline |
---|
| 1298 | DO ji = 1, jpi |
---|
| 1299 | DO jj = 1, jpj |
---|
[3764] | 1300 | !!Fritsch&Butland's method, 1984 (preferred, but more computation) |
---|
[3294] | 1301 | ! DO jk = 2, jpkm1-1 |
---|
[3764] | 1302 | ! zdxtmp1 = xsp(ji,jj,jk) - xsp(ji,jj,jk-1) |
---|
| 1303 | ! zdxtmp2 = xsp(ji,jj,jk+1) - xsp(ji,jj,jk) |
---|
[3294] | 1304 | ! zdf1 = ( fsp(ji,jj,jk) - fsp(ji,jj,jk-1) ) / zdxtmp1 |
---|
| 1305 | ! zdf2 = ( fsp(ji,jj,jk+1) - fsp(ji,jj,jk) ) / zdxtmp2 |
---|
| 1306 | ! |
---|
| 1307 | ! zalpha = ( zdxtmp1 + 2._wp * zdxtmp2 ) / ( zdxtmp1 + zdxtmp2 ) / 3._wp |
---|
[3764] | 1308 | ! |
---|
[3294] | 1309 | ! IF(zdf1 * zdf2 <= 0._wp) THEN |
---|
| 1310 | ! zdf(jk) = 0._wp |
---|
| 1311 | ! ELSE |
---|
| 1312 | ! zdf(jk) = zdf1 * zdf2 / ( ( 1._wp - zalpha ) * zdf1 + zalpha * zdf2 ) |
---|
| 1313 | ! ENDIF |
---|
| 1314 | ! END DO |
---|
[3764] | 1315 | |
---|
[3294] | 1316 | !!Simply geometric average |
---|
| 1317 | DO jk = 2, jpkm1-1 |
---|
[9019] | 1318 | zdf1 = (fsp(ji,jj,jk ) - fsp(ji,jj,jk-1)) / (xsp(ji,jj,jk ) - xsp(ji,jj,jk-1)) |
---|
| 1319 | zdf2 = (fsp(ji,jj,jk+1) - fsp(ji,jj,jk )) / (xsp(ji,jj,jk+1) - xsp(ji,jj,jk )) |
---|
[3764] | 1320 | |
---|
[3294] | 1321 | IF(zdf1 * zdf2 <= 0._wp) THEN |
---|
| 1322 | zdf(jk) = 0._wp |
---|
| 1323 | ELSE |
---|
| 1324 | zdf(jk) = 2._wp * zdf1 * zdf2 / (zdf1 + zdf2) |
---|
| 1325 | ENDIF |
---|
| 1326 | END DO |
---|
[3764] | 1327 | |
---|
[3294] | 1328 | zdf(1) = 1.5_wp * ( fsp(ji,jj,2) - fsp(ji,jj,1) ) / & |
---|
[6140] | 1329 | & ( xsp(ji,jj,2) - xsp(ji,jj,1) ) - 0.5_wp * zdf(2) |
---|
[3294] | 1330 | zdf(jpkm1) = 1.5_wp * ( fsp(ji,jj,jpkm1) - fsp(ji,jj,jpkm1-1) ) / & |
---|
[6140] | 1331 | & ( xsp(ji,jj,jpkm1) - xsp(ji,jj,jpkm1-1) ) - 0.5_wp * zdf(jpkm1 - 1) |
---|
[3764] | 1332 | |
---|
[3294] | 1333 | DO jk = 1, jpkm1 - 1 |
---|
[3764] | 1334 | zdxtmp = xsp(ji,jj,jk+1) - xsp(ji,jj,jk) |
---|
[3294] | 1335 | ztmp1 = (zdf(jk+1) + 2._wp * zdf(jk)) / zdxtmp |
---|
| 1336 | ztmp2 = 6._wp * (fsp(ji,jj,jk+1) - fsp(ji,jj,jk)) / zdxtmp / zdxtmp |
---|
[3764] | 1337 | zddf1 = -2._wp * ztmp1 + ztmp2 |
---|
[3294] | 1338 | ztmp1 = (2._wp * zdf(jk+1) + zdf(jk)) / zdxtmp |
---|
[3764] | 1339 | zddf2 = 2._wp * ztmp1 - ztmp2 |
---|
| 1340 | |
---|
[3294] | 1341 | dsp(ji,jj,jk) = (zddf2 - zddf1) / 6._wp / zdxtmp |
---|
| 1342 | csp(ji,jj,jk) = ( xsp(ji,jj,jk+1) * zddf1 - xsp(ji,jj,jk)*zddf2 ) / 2._wp / zdxtmp |
---|
[3764] | 1343 | bsp(ji,jj,jk) = ( fsp(ji,jj,jk+1) - fsp(ji,jj,jk) ) / zdxtmp - & |
---|
[3294] | 1344 | & csp(ji,jj,jk) * ( xsp(ji,jj,jk+1) + xsp(ji,jj,jk) ) - & |
---|
| 1345 | & dsp(ji,jj,jk) * ((xsp(ji,jj,jk+1) + xsp(ji,jj,jk))**2 - & |
---|
| 1346 | & xsp(ji,jj,jk+1) * xsp(ji,jj,jk)) |
---|
| 1347 | asp(ji,jj,jk) = fsp(ji,jj,jk) - xsp(ji,jj,jk) * (bsp(ji,jj,jk) + & |
---|
| 1348 | & (xsp(ji,jj,jk) * (csp(ji,jj,jk) + & |
---|
| 1349 | & dsp(ji,jj,jk) * xsp(ji,jj,jk)))) |
---|
| 1350 | END DO |
---|
| 1351 | END DO |
---|
| 1352 | END DO |
---|
[3764] | 1353 | |
---|
[6140] | 1354 | ELSEIF ( polynomial_type == 2 ) THEN ! Linear |
---|
[3294] | 1355 | DO ji = 1, jpi |
---|
| 1356 | DO jj = 1, jpj |
---|
| 1357 | DO jk = 1, jpkm1-1 |
---|
[3764] | 1358 | zdxtmp =xsp(ji,jj,jk+1) - xsp(ji,jj,jk) |
---|
[3294] | 1359 | ztmp1 = fsp(ji,jj,jk+1) - fsp(ji,jj,jk) |
---|
[3764] | 1360 | |
---|
[3294] | 1361 | dsp(ji,jj,jk) = 0._wp |
---|
| 1362 | csp(ji,jj,jk) = 0._wp |
---|
| 1363 | bsp(ji,jj,jk) = ztmp1 / zdxtmp |
---|
| 1364 | asp(ji,jj,jk) = fsp(ji,jj,jk) - bsp(ji,jj,jk) * xsp(ji,jj,jk) |
---|
| 1365 | END DO |
---|
| 1366 | END DO |
---|
| 1367 | END DO |
---|
[9019] | 1368 | ! |
---|
[3294] | 1369 | ELSE |
---|
[9019] | 1370 | CALL ctl_stop( 'invalid polynomial type in cspline' ) |
---|
[3294] | 1371 | ENDIF |
---|
[9019] | 1372 | ! |
---|
[3294] | 1373 | END SUBROUTINE cspline |
---|
| 1374 | |
---|
| 1375 | |
---|
[3764] | 1376 | FUNCTION interp1(x, xl, xr, fl, fr) RESULT(f) |
---|
[3294] | 1377 | !!---------------------------------------------------------------------- |
---|
| 1378 | !! *** ROUTINE interp1 *** |
---|
[3764] | 1379 | !! |
---|
[3294] | 1380 | !! ** Purpose : 1-d linear interpolation |
---|
[3764] | 1381 | !! |
---|
[4990] | 1382 | !! ** Method : interpolation is straight forward |
---|
[3764] | 1383 | !! extrapolation is also permitted (no value limit) |
---|
[3294] | 1384 | !!---------------------------------------------------------------------- |
---|
[3764] | 1385 | REAL(wp), INTENT(in) :: x, xl, xr, fl, fr |
---|
[3294] | 1386 | REAL(wp) :: f ! result of the interpolation (extrapolation) |
---|
| 1387 | REAL(wp) :: zdeltx |
---|
| 1388 | !!---------------------------------------------------------------------- |
---|
[6140] | 1389 | ! |
---|
[3294] | 1390 | zdeltx = xr - xl |
---|
[6140] | 1391 | IF( abs(zdeltx) <= 10._wp * EPSILON(x) ) THEN |
---|
| 1392 | f = 0.5_wp * (fl + fr) |
---|
[3294] | 1393 | ELSE |
---|
[6140] | 1394 | f = ( (x - xl ) * fr - ( x - xr ) * fl ) / zdeltx |
---|
[3294] | 1395 | ENDIF |
---|
[6140] | 1396 | ! |
---|
[3294] | 1397 | END FUNCTION interp1 |
---|
| 1398 | |
---|
[4990] | 1399 | |
---|
[6140] | 1400 | FUNCTION interp2( x, a, b, c, d ) RESULT(f) |
---|
[3294] | 1401 | !!---------------------------------------------------------------------- |
---|
| 1402 | !! *** ROUTINE interp1 *** |
---|
[3764] | 1403 | !! |
---|
[3294] | 1404 | !! ** Purpose : 1-d constrained cubic spline interpolation |
---|
[3764] | 1405 | !! |
---|
[3294] | 1406 | !! ** Method : cubic spline interpolation |
---|
| 1407 | !! |
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| 1408 | !!---------------------------------------------------------------------- |
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[3764] | 1409 | REAL(wp), INTENT(in) :: x, a, b, c, d |
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[3294] | 1410 | REAL(wp) :: f ! value from the interpolation |
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| 1411 | !!---------------------------------------------------------------------- |
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[6140] | 1412 | ! |
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[3764] | 1413 | f = a + x* ( b + x * ( c + d * x ) ) |
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[6140] | 1414 | ! |
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[3294] | 1415 | END FUNCTION interp2 |
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| 1416 | |
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| 1417 | |
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[6140] | 1418 | FUNCTION interp3( x, a, b, c, d ) RESULT(f) |
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[3294] | 1419 | !!---------------------------------------------------------------------- |
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| 1420 | !! *** ROUTINE interp1 *** |
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[3764] | 1421 | !! |
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[9019] | 1422 | !! ** Purpose : Calculate the first order of derivative of |
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[3294] | 1423 | !! a cubic spline function y=a+b*x+c*x^2+d*x^3 |
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[3764] | 1424 | !! |
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[3294] | 1425 | !! ** Method : f=dy/dx=b+2*c*x+3*d*x^2 |
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| 1426 | !! |
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| 1427 | !!---------------------------------------------------------------------- |
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[3764] | 1428 | REAL(wp), INTENT(in) :: x, a, b, c, d |
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[3294] | 1429 | REAL(wp) :: f ! value from the interpolation |
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| 1430 | !!---------------------------------------------------------------------- |
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[6140] | 1431 | ! |
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[3294] | 1432 | f = b + x * ( 2._wp * c + 3._wp * d * x) |
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[6140] | 1433 | ! |
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[3294] | 1434 | END FUNCTION interp3 |
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| 1435 | |
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[3764] | 1436 | |
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[6140] | 1437 | FUNCTION integ_spline( xl, xr, a, b, c, d ) RESULT(f) |
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[3294] | 1438 | !!---------------------------------------------------------------------- |
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| 1439 | !! *** ROUTINE interp1 *** |
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[3764] | 1440 | !! |
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[3294] | 1441 | !! ** Purpose : 1-d constrained cubic spline integration |
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| 1442 | !! |
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[3764] | 1443 | !! ** Method : integrate polynomial a+bx+cx^2+dx^3 from xl to xr |
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| 1444 | !! |
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[3294] | 1445 | !!---------------------------------------------------------------------- |
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[3764] | 1446 | REAL(wp), INTENT(in) :: xl, xr, a, b, c, d |
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| 1447 | REAL(wp) :: za1, za2, za3 |
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[3294] | 1448 | REAL(wp) :: f ! integration result |
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| 1449 | !!---------------------------------------------------------------------- |
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[6140] | 1450 | ! |
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[3764] | 1451 | za1 = 0.5_wp * b |
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| 1452 | za2 = c / 3.0_wp |
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| 1453 | za3 = 0.25_wp * d |
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[6140] | 1454 | ! |
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[3294] | 1455 | f = xr * ( a + xr * ( za1 + xr * ( za2 + za3 * xr ) ) ) - & |
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| 1456 | & xl * ( a + xl * ( za1 + xl * ( za2 + za3 * xl ) ) ) |
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[6140] | 1457 | ! |
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[3632] | 1458 | END FUNCTION integ_spline |
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[3294] | 1459 | |
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[3] | 1460 | !!====================================================================== |
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| 1461 | END MODULE dynhpg |
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