[3] | 1 | MODULE flxmod |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE flxmod *** |
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| 4 | !! Ocean forcing: thermohaline forcing of the ocean |
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| 5 | !!===================================================================== |
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| 6 | !! * Modules used |
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| 7 | USE oce ! ocean dynamics and tracers |
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| 8 | USE dom_oce ! ocean space and time domain |
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| 9 | USE phycst ! physical constants |
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| 10 | USE in_out_manager ! I/O manager |
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| 11 | USE lib_mpp ! distribued memory computing library |
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| 12 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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| 13 | USE daymod ! calendar |
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| 14 | USE ocfzpt ! ocean freezing point |
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| 15 | |
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[532] | 16 | #if defined key_oasis3 || defined key_oasis4 |
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| 17 | #if defined key_oasis3 |
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| 18 | USE cpl_oasis3 ! OASIS3 coupling (to ECHAM5) |
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[609] | 19 | #elif defined key_oasis4 |
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[532] | 20 | USE cpl_oasis4 ! OASIS4 coupling (to ECHAM5) |
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| 21 | #endif |
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| 22 | USE flx_oce, only : dqns_ice , & ! : derivative of non solar heat flux on sea ice |
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| 23 | qsr_oce , & ! : solar flux over ocean |
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| 24 | qnsr_oce , & ! : total non solar heat flux (longwave downward radiation) over ocean |
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| 25 | qsr_ice , & ! : solar flux over ice |
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| 26 | qnsr_ice , & ! : total non solar heat flux (Longwave downward radiation) over ice |
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| 27 | tn_ice , & ! : ice surface temperature |
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| 28 | alb_ice , & ! : albedo of ice |
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| 29 | sprecip , & ! : solid (snow) precipitation over water (!) what about ice? |
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| 30 | tprecip , & ! : total precipitation ( or liquid precip minus evaporation in coupled mode) |
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| 31 | calving , & ! : calving |
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| 32 | rrunoff , & ! : monthly runoff (kg/m2/s) |
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| 33 | fr1_i0 , & ! : 1st part of the fraction of sol.rad. which penetrate inside the ice cover |
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| 34 | fr2_i0 ! : 2nd part of the fraction of sol.rad. which penetrate inside the ice cover |
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| 35 | |
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| 36 | USE ice, only : hicif , & ! : ice thickness |
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| 37 | frld , & ! : leads fraction = 1-a/totalarea |
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| 38 | hsnif , & ! : snow thickness |
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| 39 | u_ice , v_ice ! : ice velocity |
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| 40 | |
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| 41 | USE ice_oce, only : sst_io ! : sea surface temperature |
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| 42 | |
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| 43 | #if defined key_cpl_ocevel |
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| 44 | USE geo2ocean, only : repere, repcmo |
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| 45 | #endif |
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| 46 | #endif |
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[3] | 47 | IMPLICIT NONE |
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| 48 | PRIVATE |
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| 49 | |
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[604] | 50 | #if defined key_flx_core |
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| 51 | LOGICAL, PUBLIC :: lk_core = .TRUE. !: CORE surface fluxes flag |
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| 52 | #else |
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| 53 | LOGICAL, PUBLIC :: lk_core = .FALSE. !: CORE surface fluxes flag |
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| 54 | #endif |
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| 55 | |
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[532] | 56 | #if defined key_oasis3 || defined key_oasis4 |
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| 57 | REAL(wp), DIMENSION(jpi,jpj) :: catm |
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| 58 | #endif |
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[3] | 59 | !! * Routine accessibility |
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| 60 | PUBLIC flx ! routine called by step.F90 |
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[440] | 61 | PUBLIC flx_init ! routine called by opa.F90 |
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| 62 | |
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| 63 | !! * local declarations |
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| 64 | REAL(wp), PUBLIC :: & !!! surface fluxes namelist (namflx) |
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| 65 | q0 = 0.e0, & ! net heat flux |
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| 66 | qsr0 = 0.e0, & ! solar heat flux |
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| 67 | emp0 = 0.e0, & ! net freshwater flux |
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| 68 | dqdt0 = -40., & ! coefficient for SST damping (W/m2/K) |
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| 69 | deds0 = 27.7 ! coefficient for SSS damping (mm/day) |
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[3] | 70 | |
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| 71 | !! * Substitutions |
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| 72 | # include "domzgr_substitute.h90" |
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| 73 | !!---------------------------------------------------------------------- |
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[247] | 74 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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| 75 | !! $Header$ |
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| 76 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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[3] | 77 | !!---------------------------------------------------------------------- |
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| 78 | |
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| 79 | #if defined key_flx_bulk_monthly |
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| 80 | !!---------------------------------------------------------------------- |
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| 81 | !! 'key_flx_bulk_monthly' and MONTHLY bulk |
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| 82 | !! Default option Net CDF file |
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| 83 | !!---------------------------------------------------------------------- |
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| 84 | # include "flx_bulk_monthly.h90" |
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| 85 | |
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| 86 | #elif defined key_flx_bulk_daily |
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| 87 | !!---------------------------------------------------------------------- |
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| 88 | !! 'key_flx_bulk_daily' DAILY bulk |
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| 89 | !! Net CDF file |
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| 90 | !!---------------------------------------------------------------------- |
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| 91 | # include "flx_bulk_daily.h90" |
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| 92 | |
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[473] | 93 | #elif defined key_flx_core |
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| 94 | !!---------------------------------------------------------------------- |
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| 95 | !! 'key_flx_core' and NCAR data (Large & Yeager) |
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| 96 | !! Net CDF file |
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| 97 | !!---------------------------------------------------------------------- |
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| 98 | # include "flx_core.h90" |
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| 99 | |
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[3] | 100 | #elif defined key_flx_forced_daily |
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| 101 | !!---------------------------------------------------------------------- |
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| 102 | !! 'key_flx_forced_daily' DAILY fluxes |
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| 103 | !! Net CDF file |
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| 104 | !!---------------------------------------------------------------------- |
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| 105 | # include "flx_forced_daily.h90" |
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| 106 | |
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[532] | 107 | #elif defined key_oasis3 || defined key_oasis4 |
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[3] | 108 | !!---------------------------------------------------------------------- |
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[532] | 109 | !! 'key_oasis3' or 'key_oasis4' and Coupled Ocan/Atmosphere |
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[3] | 110 | !! 'key_ice_lim' with LIM sea-ice model |
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| 111 | !!---------------------------------------------------------------------- |
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[532] | 112 | # include "flx_oasis_ice.h90" |
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[3] | 113 | #else |
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| 114 | !!---------------------------------------------------------------------- |
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| 115 | !! Default option Analytical forcing |
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| 116 | !!---------------------------------------------------------------------- |
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| 117 | !! flx : define the thermohaline fluxes for the ocean |
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| 118 | !!---------------------------------------------------------------------- |
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| 119 | !! * Module used |
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| 120 | !!---------------------------------------------------------------------- |
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| 121 | |
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| 122 | CONTAINS |
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| 123 | |
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| 124 | SUBROUTINE flx ( kt ) |
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| 125 | !!--------------------------------------------------------------------- |
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| 126 | !! *** ROUTINE flx *** |
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| 127 | !! |
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| 128 | !! ** Purpose : provide the thermohaline fluxes (heat and freshwater) |
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| 129 | !! to the ocean at each time step. |
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| 130 | !! |
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| 131 | !! ** Method : Constant surface fluxes (read in namelist (namflx)) |
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| 132 | !! |
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| 133 | !! ** Action : - q, qt, qsr, emp, emps, qrp, erp |
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| 134 | !! |
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| 135 | !! History : |
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| 136 | !! ! 91-03 () Original code |
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| 137 | !! 8.5 ! 02-09 (G. Madec) F90: Free form and module |
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| 138 | !!---------------------------------------------------------------------- |
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| 139 | !! * arguments |
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| 140 | INTEGER, INTENT( in ) :: kt ! ocean time step |
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[440] | 141 | !!--------------------------------------------------------------------- |
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[3] | 142 | |
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[440] | 143 | IF( kt == nit000 ) THEN |
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| 144 | IF(lwp) WRITE(numout,*)' ' |
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| 145 | IF(lwp) WRITE(numout,*)'flx : Analytical/Constant surface fluxes' |
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| 146 | IF(lwp) WRITE(numout,*)'~~~~~~~ ' |
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| 147 | IF(lwp) WRITE(numout,*)' See the routine oce_sbc' |
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| 148 | IF(lwp) WRITE(numout,*)' ' |
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| 149 | ENDIF |
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[3] | 150 | |
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[440] | 151 | END SUBROUTINE flx |
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[3] | 152 | |
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[440] | 153 | #endif |
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[3] | 154 | |
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| 155 | |
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[440] | 156 | SUBROUTINE flx_init |
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| 157 | !!--------------------------------------------------------------------- |
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| 158 | !! *** ROUTINE flx *** |
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| 159 | !! |
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| 160 | !! ** Purpose : provide the thermohaline fluxes (heat and freshwater) |
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| 161 | !! to the ocean at each time step. |
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| 162 | !! |
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| 163 | !! ** Method : Constant surface fluxes (read in namelist (namflx)) |
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| 164 | !! |
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| 165 | !! ** Action : - q, qt, qsr, emp, emps, qrp, erp |
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| 166 | !! |
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| 167 | !! History : |
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| 168 | !! ! 91-03 () Original code |
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| 169 | !! 8.5 ! 02-09 (G. Madec) F90: Free form and module |
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| 170 | !!---------------------------------------------------------------------- |
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| 171 | NAMELIST/namflx/ q0, qsr0, emp0, dqdt0, deds0 |
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| 172 | !!--------------------------------------------------------------------- |
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[3] | 173 | |
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[440] | 174 | ! Read Namelist namflx : surface thermohaline fluxes |
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| 175 | ! -------------------- |
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| 176 | REWIND ( numnam ) |
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| 177 | READ ( numnam, namflx ) |
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[3] | 178 | |
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[440] | 179 | IF(lwp) THEN |
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| 180 | WRITE(numout,*)' ' |
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| 181 | WRITE(numout,*)'flx_init : thermohaline forcing ' |
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| 182 | WRITE(numout,*)'~~~~~~~~ ' |
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| 183 | WRITE(numout,*)' net heat flux q0 = ', q0 , ' W/m2' |
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| 184 | WRITE(numout,*)' solar heat flux qsr0 = ', qsr0, ' W/m2' |
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| 185 | WRITE(numout,*)' net heat flux emp0 = ', emp0, ' W/m2' |
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| 186 | WRITE(numout,*)' coefficient for SST damping dqdt0 = ', dqdt0,' W/m2/K' |
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| 187 | WRITE(numout,*)' coefficient for SSS damping deds0 = ', deds0,' mm/day' |
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| 188 | ENDIF |
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[3] | 189 | |
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[440] | 190 | END SUBROUTINE flx_init |
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| 191 | |
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[3] | 192 | END MODULE flxmod |
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