| 1 | !!---------------------------------------------------------------------- |
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| 2 | !! *** ldftra_c1d.h90 *** |
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| 3 | !!---------------------------------------------------------------------- |
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| 4 | |
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| 5 | !!---------------------------------------------------------------------- |
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| 6 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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| 7 | !! $Id$ |
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| 8 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 9 | !!---------------------------------------------------------------------- |
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| 10 | |
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| 11 | SUBROUTINE ldf_tra_c1d( ld_print ) |
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| 12 | !!---------------------------------------------------------------------- |
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| 13 | !! *** ROUTINE ldftra_c1d *** |
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| 14 | !! |
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| 15 | !! ** Purpose : 1D eddy diffusivity coefficient |
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| 16 | !! |
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| 17 | !! ** Method : 1D eddy diffusivity coefficients ( depth ) |
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| 18 | !! biharmonic operator : ahtt = defined at T-level |
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| 19 | !! ahtu,ahtv,ahtw never used |
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| 20 | !! |
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| 21 | !! harmonic operator : ahtt never used |
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| 22 | !! -1- iso-model level: ahtu = ahtv defined at T-level |
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| 23 | !! ahtw never used |
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| 24 | !! -2- isopycnal or : ahtu = ahtv defined at T-level |
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| 25 | !! geopotential ahtw defined at w-level |
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| 26 | !! |
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| 27 | !! eddy induced velocity |
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| 28 | !! always harmonic : aeiu = aeiv defined at T-level |
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| 29 | !! aeiw defined at w-level |
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| 30 | !! |
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| 31 | !!---------------------------------------------------------------------- |
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| 32 | !! * Arguments |
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| 33 | LOGICAL, INTENT (in) :: ld_print ! If true, print arrays in numout |
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| 34 | |
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| 35 | !! * Local variables |
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| 36 | INTEGER :: jk ! dummy loop indices |
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| 37 | REAL(wp) :: & |
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| 38 | zkah, zahr, za00 , za01, & ! temporary scalars |
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| 39 | zahf, zahs, zahtf, zahts |
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| 40 | !!---------------------------------------------------------------------- |
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| 41 | |
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| 42 | IF( lk_traldf_eiv ) THEN |
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| 43 | IF(lwp) WRITE(numout,*) |
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| 44 | IF(lwp) WRITE(numout,*) ' ldf_tra_c1d : 1D eddy diffusivity and eddy induced velocity coefficients' |
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| 45 | IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~ -- ' |
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| 46 | IF(lwp) WRITE(numout,*) |
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| 47 | ELSE |
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| 48 | IF(lwp) WRITE(numout,*) |
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| 49 | IF(lwp) WRITE(numout,*) ' inildf : 1D eddy diffusivity coefficient ' |
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| 50 | IF(lwp) WRITE(numout,*) ' ~~~~~~ -- ' |
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| 51 | IF(lwp) WRITE(numout,*) |
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| 52 | ENDIF |
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| 53 | |
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| 54 | ! initialization of the profile |
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| 55 | |
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| 56 | ! ahts, ahtf: surface and bottom values |
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| 57 | zahts = aht0 |
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| 58 | zahtf = aht0/4. |
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| 59 | ! zkah, zahr: depth of the inflection pt and width of inflection |
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| 60 | zkah = -300. |
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| 61 | zahr = 300. |
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| 62 | ! computation coefficients |
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| 63 | za00 = TANH( ( -fsdept(1,1,1 ) - zkah ) / zahr ) |
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| 64 | za01 = TANH( ( -fsdept(1,1,jpk) - zkah ) / zahr ) |
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| 65 | zahf = ( zahts-zahtf ) / ( za00 - za01 ) |
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| 66 | zahs = zahts - zahf * za00 |
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| 67 | |
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| 68 | ! biharmonic operator : (T-point) |
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| 69 | ! ==================== |
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| 70 | |
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| 71 | ! set ahtt at T-level |
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| 72 | DO jk = 1, jpk |
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| 73 | ahtt(jk) = zahs + zahf * TANH( (-fsdept(1,1,jk)-zkah) / zahr ) |
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| 74 | END DO |
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| 75 | |
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| 76 | ! control print |
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| 77 | IF(lwp .AND. ld_print ) THEN |
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| 78 | WRITE(numout,*) |
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| 79 | WRITE(numout,*) ' aht profile at T-level : ' |
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| 80 | WRITE(numout,*) |
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| 81 | WRITE(numout,*) ' level aht depth t-level ' |
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| 82 | DO jk = 1, jpk |
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| 83 | WRITE(numout,'(i6,2f12.4)') jk, ahtt(jk), fsdept(1,1,jk) |
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| 84 | END DO |
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| 85 | ENDIF |
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| 86 | |
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| 87 | ! harmonic operator : (U-, V-, W-points) |
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| 88 | ! ================== |
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| 89 | |
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| 90 | ! set ahtu = ahtv at T-level, and ahtw at w-level |
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| 91 | DO jk = 1, jpk |
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| 92 | ahtu(jk) = zahs + zahf * TANH( ( -fsdept(1,1,jk) - zkah ) / zahr ) |
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| 93 | ahtv(jk) = ahtu(jk) |
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| 94 | ahtw(jk) = zahs + zahf * TANH( ( -fsdepw(1,1,jk) - zkah ) / zahr ) |
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| 95 | END DO |
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| 96 | |
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| 97 | ! control print |
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| 98 | IF(lwp .AND. ld_print ) THEN |
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| 99 | IF(lwp) WRITE(numout,*) |
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| 100 | IF(lwp) WRITE(numout,*) ' aht profile at T-level : ' |
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| 101 | IF(lwp) WRITE(numout,*) |
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| 102 | IF(lwp) WRITE(numout,*) ' level aht depth t-level ' |
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| 103 | DO jk = 1, jpk |
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| 104 | IF(lwp) WRITE(numout,"(i6,2f12.4)") jk, ahtu(jk), fsdept(1,1,jk) |
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| 105 | END DO |
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| 106 | IF(lwp) WRITE(numout,*) |
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| 107 | IF(lwp) WRITE(numout,*) ' aht profile at W-level : ' |
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| 108 | IF(lwp) WRITE(numout,*) |
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| 109 | IF(lwp) WRITE(numout,*) ' jk aht depth w-level ' |
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| 110 | DO jk = 1, jpk |
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| 111 | IF(lwp)WRITE(numout,"(i6,2f12.4)") jk, ahtw(jk), fsdepw(1,1,jk) |
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| 112 | END DO |
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| 113 | ENDIF |
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| 114 | |
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| 115 | # if defined key_traldf_eiv |
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| 116 | ! set aeiu = aeiv and set aeiw (here same profile as on aht) |
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| 117 | aeiu(:) = ahtu(:) |
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| 118 | aeiv(:) = aeiu(:) |
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| 119 | aeiw(:) = ahtw(:) |
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| 120 | |
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| 121 | ! Control print |
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| 122 | IF(lwp .AND. ld_print ) THEN |
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| 123 | IF(lwp) WRITE(numout,*) |
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| 124 | IF(lwp) WRITE(numout,*) ' aeiv profile at T-level : ' |
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| 125 | IF(lwp) WRITE(numout,*) |
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| 126 | IF(lwp) WRITE(numout,*) ' jk aeiv depth t-level ' |
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| 127 | DO jk = 1, jpk |
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| 128 | IF(lwp) WRITE(numout,"(i6,2f12.4)") jk, aeiu(jk), fsdept(1,1,jk) |
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| 129 | END DO |
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| 130 | ENDIF |
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| 131 | #endif |
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| 132 | |
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| 133 | END SUBROUTINE ldf_tra_c1d |
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