| 1 | MODULE obc_oce |
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| 2 | !!============================================================================== |
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| 3 | !! *** MODULE obc_oce *** |
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| 4 | !! Open Boundary Cond. : define related variables |
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| 5 | !!============================================================================== |
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| 6 | !!---------------------------------------------------------------------- |
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| 7 | !! 'key_obc' : Open Boundary Condition |
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| 8 | !!---------------------------------------------------------------------- |
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| 9 | !! history : |
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| 10 | !! 8.0 01/91 (CLIPPER) Original code |
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| 11 | !! 8.5 06/02 (C. Talandier) modules |
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| 12 | !! 06/04 (F. Durand) ORCA2_ZIND config |
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| 13 | !! |
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| 14 | !!---------------------------------------------------------------------- |
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| 15 | !! * Modules used |
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| 16 | USE par_oce ! ocean parameters |
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| 17 | USE obc_par ! open boundary condition parameters |
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| 18 | |
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| 19 | #if defined key_obc |
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| 20 | |
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| 21 | IMPLICIT NONE |
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| 22 | PUBLIC |
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| 23 | |
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| 24 | !!---------------------------------------------------------------------- |
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| 25 | !! open boundary variables |
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| 26 | !!---------------------------------------------------------------------- |
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| 27 | ! |
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| 28 | ! !!* Namelist namobc: open boundary condition * |
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| 29 | INTEGER :: nn_obcdta = 0 !: = 0 use the initial state as obc data |
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| 30 | ! ! = 1 read obc data in obcxxx.dta files |
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| 31 | CHARACTER(len=20) :: cn_obcdta = 'annual' !: set to annual if obc datafile hold 1 year of data |
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| 32 | ! ! set to monthly if obc datafile hold 1 month of data |
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| 33 | LOGICAL :: ln_obc_clim = .true. !: obc data files are climatological |
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| 34 | LOGICAL :: ln_obc_fla = .false. !: Flather open boundary condition not used |
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| 35 | LOGICAL :: ln_vol_cst = .true. !: Conservation of the whole volume |
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| 36 | REAL(wp) :: rn_dpein = 1. !: damping time scale for inflow at East open boundary |
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| 37 | REAL(wp) :: rn_dpwin = 1. !: " " at West open boundary |
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| 38 | REAL(wp) :: rn_dpsin = 1. !: " " at South open boundary |
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| 39 | REAL(wp) :: rn_dpnin = 1. !: " " at North open boundary |
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| 40 | REAL(wp) :: rn_dpeob = 15. !: damping time scale for the climatology at East open boundary |
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| 41 | REAL(wp) :: rn_dpwob = 15. !: " " at West open boundary |
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| 42 | REAL(wp) :: rn_dpsob = 15. !: " " at South open boundary |
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| 43 | REAL(wp) :: rn_dpnob = 15. !: " " at North open boundary |
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| 44 | REAL(wp) :: rn_volemp = 1. !: = 0 the total volume will have the variability of the |
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| 45 | ! ! surface Flux E-P else (volemp = 1) the volume will be constant |
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| 46 | ! ! = 1 the volume will be constant during all the integration. |
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| 47 | |
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| 48 | ! !!! OLD non-DOCTOR name of namelist variables |
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| 49 | INTEGER :: nbobc !: number of open boundaries ( 1=< nbobc =< 4 ) |
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| 50 | INTEGER :: nobc_dta !: = 0 use the initial state as obc data |
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| 51 | REAL(wp) :: rdpein !: damping time scale for inflow at East open boundary |
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| 52 | REAL(wp) :: rdpwin !: " " at West open boundary |
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| 53 | REAL(wp) :: rdpsin !: " " at South open boundary |
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| 54 | REAL(wp) :: rdpnin !: " " at North open boundary |
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| 55 | REAL(wp) :: rdpeob !: damping time scale for the climatology at East open boundary |
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| 56 | REAL(wp) :: rdpwob !: " " at West open boundary |
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| 57 | REAL(wp) :: rdpsob !: " " at South open boundary |
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| 58 | REAL(wp) :: rdpnob !: " " at North open boundary |
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| 59 | REAL(wp) :: volemp !: = 0 the total volume will have the variability of the |
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| 60 | CHARACTER(len=20) :: cffile |
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| 61 | |
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| 62 | |
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| 63 | !!General variables for open boundaries: |
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| 64 | !!-------------------------------------- |
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| 65 | LOGICAL :: & !: |
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| 66 | lfbceast, lfbcwest, & !: logical flag for a fixed East and West open boundaries |
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| 67 | lfbcnorth, lfbcsouth !: logical flag for a fixed North and South open boundaries |
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| 68 | ! ! These logical flags are set to 'true' if damping time |
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| 69 | ! ! scale are set to 0 in the namelist, for both inflow and outflow). |
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| 70 | |
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| 71 | REAL(wp), PUBLIC :: obcsurftot !: Total lateral surface of open boundaries |
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| 72 | |
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| 73 | REAL(wp), PUBLIC, DIMENSION(jpi,jpj) :: & !: |
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| 74 | obctmsk, & !: mask array identical to tmask, execpt along OBC where it is set to 0 |
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| 75 | ! ! it used to calculate the cumulate flux E-P in the obcvol.F90 routine |
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| 76 | obcumask, obcvmask !: u-, v- Force filtering mask for the open |
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| 77 | ! ! boundary condition on grad D |
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| 78 | |
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| 79 | !!-------------------- |
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| 80 | !! East open boundary: |
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| 81 | !!-------------------- |
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| 82 | INTEGER :: nie0 , nie1 !: do loop index in mpp case for jpieob |
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| 83 | INTEGER :: nie0p1, nie1p1 !: do loop index in mpp case for jpieob+1 |
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| 84 | INTEGER :: nie0m1, nie1m1 !: do loop index in mpp case for jpieob-1 |
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| 85 | INTEGER :: nje0 , nje1 !: do loop index in mpp case for jpjed, jpjef |
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| 86 | INTEGER :: nje0p1, nje1m1 !: do loop index in mpp case for jpjedp1,jpjefm1 |
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| 87 | INTEGER :: nje1m2, nje0m1 !: do loop index in mpp case for jpjefm1-1,jpjed |
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| 88 | |
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| 89 | REAL(wp), DIMENSION(jpjed:jpjef) :: & !: |
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| 90 | sshfoe, & !: now climatology of the east boundary sea surface height |
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| 91 | ubtfoe,vbtfoe !: now climatology of the east boundary barotropic transport |
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| 92 | |
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| 93 | REAL(wp), DIMENSION(jpj,jpk) :: & !: |
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| 94 | ufoe, vfoe, & !: now climatology of the east boundary velocities |
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| 95 | tfoe, sfoe, & !: now climatology of the east boundary temperature and salinity |
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| 96 | uclie !: baroclinic componant of the zonal velocity after radiation |
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| 97 | ! ! in the obcdyn.F90 routine |
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| 98 | |
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| 99 | REAL(wp), DIMENSION(jpjed:jpjef,jpj) :: sshfoe_b !: east boundary ssh correction averaged over the barotropic loop |
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| 100 | ! ! (if Flather's algoritm applied at open boundary) |
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| 101 | |
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| 102 | !!------------------------------- |
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| 103 | !! Arrays for radiative East OBC: |
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| 104 | !!------------------------------- |
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| 105 | REAL(wp), DIMENSION(jpj,jpk,3,3) :: uebnd, vebnd !: baroclinic u & v component of the velocity over 3 rows |
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| 106 | ! ! and 3 time step (now, before, and before before) |
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| 107 | REAL(wp), DIMENSION(jpj,jpk,2,2) :: tebnd, sebnd !: East boundary temperature and salinity over 2 rows |
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| 108 | ! ! and 2 time step (now and before) |
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| 109 | REAL(wp), DIMENSION(jpj,jpk) :: u_cxebnd, v_cxebnd !: Zonal component of the phase speed ratio computed with |
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| 110 | ! ! radiation of u and v velocity (respectively) at the |
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| 111 | ! ! east open boundary (u_cxebnd = cx rdt ) |
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| 112 | REAL(wp), DIMENSION(jpj,jpk) :: uemsk, vemsk, temsk !: 2D mask for the East OB |
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| 113 | |
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| 114 | ! Note that those arrays are optimized for mpp case |
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| 115 | ! (hence the dimension jpj is the size of one processor subdomain) |
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| 116 | |
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| 117 | !!-------------------- |
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| 118 | !! West open boundary |
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| 119 | !!-------------------- |
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| 120 | INTEGER :: niw0 , niw1 !: do loop index in mpp case for jpiwob |
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| 121 | INTEGER :: niw0p1, niw1p1 !: do loop index in mpp case for jpiwob+1 |
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| 122 | INTEGER :: njw0 , njw1 !: do loop index in mpp case for jpjwd, jpjwf |
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| 123 | INTEGER :: njw0p1, njw1m1 !: do loop index in mpp case for jpjwdp1,jpjwfm1 |
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| 124 | INTEGER :: njw1m2, njw0m1 !: do loop index in mpp case for jpjwfm2,jpjwd |
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| 125 | |
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| 126 | REAL(wp), DIMENSION(jpjwd:jpjwf) :: & !: |
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| 127 | sshfow, & !: now climatology of the west boundary sea surface height |
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| 128 | ubtfow,vbtfow !: now climatology of the west boundary barotropic transport |
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| 129 | |
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| 130 | REAL(wp), DIMENSION(jpj,jpk) :: & !: |
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| 131 | ufow, vfow, & !: now climatology of the west velocities |
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| 132 | tfow, sfow, & !: now climatology of the west temperature and salinity |
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| 133 | ucliw !: baroclinic componant of the zonal velocity after the radiation |
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| 134 | ! ! in the obcdyn.F90 routine |
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| 135 | |
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| 136 | REAL(wp), DIMENSION(jpjwd:jpjwf,jpj) :: sshfow_b !: west boundary ssh correction averaged over the barotropic loop |
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| 137 | ! ! (if Flather's algoritm applied at open boundary) |
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| 138 | |
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| 139 | !!------------------------------- |
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| 140 | !! Arrays for radiative West OBC |
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| 141 | !!------------------------------- |
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| 142 | REAL(wp), DIMENSION(jpj,jpk,3,3) :: uwbnd, vwbnd !: baroclinic u & v components of the velocity over 3 rows |
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| 143 | ! ! and 3 time step (now, before, and before before) |
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| 144 | REAL(wp), DIMENSION(jpj,jpk,2,2) :: twbnd, swbnd !: west boundary temperature and salinity over 2 rows and |
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| 145 | ! ! 2 time step (now and before) |
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| 146 | REAL(wp), DIMENSION(jpj,jpk) :: u_cxwbnd, v_cxwbnd !: Zonal component of the phase speed ratio computed with |
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| 147 | ! ! radiation of zonal and meridional velocity (respectively) |
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| 148 | ! ! at the west open boundary (u_cxwbnd = cx rdt ) |
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| 149 | REAL(wp), DIMENSION(jpj,jpk) :: uwmsk, vwmsk, twmsk !: 2D mask for the West OB |
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| 150 | |
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| 151 | ! Note that those arrays are optimized for mpp case |
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| 152 | ! (hence the dimension jpj is the size of one processor subdomain) |
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| 153 | |
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| 154 | !!--------------------- |
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| 155 | !! North open boundary |
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| 156 | !!--------------------- |
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| 157 | INTEGER :: nin0 , nin1 !: do loop index in mpp case for jpind, jpinf |
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| 158 | INTEGER :: nin0p1, nin1m1 !: do loop index in mpp case for jpindp1, jpinfm1 |
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| 159 | INTEGER :: nin1m2, nin0m1 !: do loop index in mpp case for jpinfm1-1,jpind |
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| 160 | INTEGER :: njn0 , njn1 !: do loop index in mpp case for jpnob |
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| 161 | INTEGER :: njn0p1, njn1p1 !: do loop index in mpp case for jpnob+1 |
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| 162 | INTEGER :: njn0m1, njn1m1 !: do loop index in mpp case for jpnob-1 |
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| 163 | |
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| 164 | REAL(wp), DIMENSION(jpind:jpinf) :: & !: |
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| 165 | sshfon, & !: now climatology of the north boundary sea surface height |
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| 166 | ubtfon,vbtfon !: now climatology of the north boundary barotropic transport |
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| 167 | |
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| 168 | REAL(wp), DIMENSION(jpi,jpk) :: & !: |
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| 169 | ufon, vfon, & !: now climatology of the north boundary velocities |
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| 170 | tfon, sfon, & !: now climatology of the north boundary temperature and salinity |
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| 171 | vclin !: baroclinic componant of the meridian velocity after the radiation |
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| 172 | ! ! in yhe obcdyn.F90 routine |
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| 173 | |
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| 174 | REAL(wp), DIMENSION(jpind:jpinf,jpj) :: sshfon_b !: north boundary ssh correction averaged over the barotropic loop |
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| 175 | ! ! (if Flather's algoritm applied at open boundary) |
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| 176 | |
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| 177 | !!-------------------------------- |
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| 178 | !! Arrays for radiative North OBC |
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| 179 | !!-------------------------------- |
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| 180 | REAL(wp), DIMENSION(jpi,jpk,3,3) :: unbnd, vnbnd !: baroclinic u & v components of the velocity over 3 |
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| 181 | ! ! rows and 3 time step (now, before, and before before) |
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| 182 | REAL(wp), DIMENSION(jpi,jpk,2,2) :: tnbnd, snbnd !: north boundary temperature and salinity over |
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| 183 | ! ! 2 rows and 2 time step (now and before) |
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| 184 | REAL(wp), DIMENSION(jpi,jpk) :: u_cynbnd, v_cynbnd !: Meridional component of the phase speed ratio compu- |
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| 185 | ! ! ted with radiation of zonal and meridional velocity |
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| 186 | ! ! (respectively) at the north OB (u_cynbnd = cx rdt ) |
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| 187 | REAL(wp), DIMENSION(jpi,jpk) :: unmsk, vnmsk, tnmsk !: 2D mask for the North OB |
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| 188 | |
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| 189 | ! Note that those arrays are optimized for mpp case |
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| 190 | ! (hence the dimension jpj is the size of one processor subdomain) |
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| 191 | |
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| 192 | !!--------------------- |
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| 193 | !! South open boundary |
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| 194 | !!--------------------- |
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| 195 | INTEGER :: nis0 , nis1 !: do loop index in mpp case for jpisd, jpisf |
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| 196 | INTEGER :: nis0p1, nis1m1 !: do loop index in mpp case for jpisdp1, jpisfm1 |
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| 197 | INTEGER :: nis1m2, nis0m1 !: do loop index in mpp case for jpisfm1-1,jpisd |
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| 198 | INTEGER :: njs0 , njs1 !: do loop index in mpp case for jpsob |
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| 199 | INTEGER :: njs0p1, njs1p1 !: do loop index in mpp case for jpsob+1 |
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| 200 | |
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| 201 | REAL(wp), DIMENSION(jpisd:jpisf) :: & !: |
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| 202 | sshfos, & !: now climatology of the south boundary sea surface height |
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| 203 | ubtfos,vbtfos !: now climatology of the south boundary barotropic transport |
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| 204 | |
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| 205 | REAL(wp), DIMENSION(jpi,jpk) :: & !: |
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| 206 | ufos, vfos, & !: now climatology of the south boundary velocities |
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| 207 | tfos, sfos, & !: now climatology of the south boundary temperature and salinity |
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| 208 | vclis !: baroclinic componant of the meridian velocity after the radiation |
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| 209 | ! ! in the obcdyn.F90 routine |
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| 210 | |
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| 211 | REAL(wp), DIMENSION(jpisd:jpisf,jpj) :: sshfos_b !: south boundary ssh correction averaged over the barotropic loop |
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| 212 | ! ! (if Flather's algoritm applied at open boundary) |
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| 213 | |
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| 214 | !!-------------------------------- |
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| 215 | !! Arrays for radiative South OBC (computed by the forward time step in dynspg) |
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| 216 | !!-------------------------------- |
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| 217 | REAL(wp), DIMENSION(jpi,jpk,3,3) :: usbnd, vsbnd !: baroclinic u & v components of the velocity over 3 |
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| 218 | ! ! rows and 3 time step (now, before, and before before) |
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| 219 | REAL(wp), DIMENSION(jpi,jpk,2,2) :: tsbnd, ssbnd !: south boundary temperature and salinity over |
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| 220 | ! ! 2 rows and 2 time step (now and before) |
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| 221 | REAL(wp), DIMENSION(jpi,jpk) :: u_cysbnd, v_cysbnd !: Meridional component of the phase speed ratio |
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| 222 | ! ! computed with radiation of zonal and meridional velocity |
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| 223 | ! ! (repsectively) at the south OB (u_cynbnd = cx rdt ) |
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| 224 | REAL(wp), DIMENSION(jpi,jpk) :: usmsk, vsmsk, tsmsk !: 2D mask for the South OB |
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| 225 | |
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| 226 | #else |
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| 227 | !!---------------------------------------------------------------------- |
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| 228 | !! Default option : Empty module |
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| 229 | !!---------------------------------------------------------------------- |
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| 230 | #endif |
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| 231 | |
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| 232 | !!---------------------------------------------------------------------- |
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| 233 | !! NEMO/OPA 3.2 , LOCEAN-IPSL (2009) |
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| 234 | !! $Id$ |
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| 235 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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| 236 | !!====================================================================== |
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| 237 | END MODULE obc_oce |
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