[3614] | 1 | MODULE icbutl |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE icbutl *** |
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| 4 | !! Icebergs: various iceberg utility routines |
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| 5 | !!====================================================================== |
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| 6 | !! History : 3.3.1 ! 2010-01 (Martin&Adcroft) Original code |
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| 7 | !! - ! 2011-03 (Madec) Part conversion to NEMO form |
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| 8 | !! - ! Removal of mapping from another grid |
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| 9 | !! - ! 2011-04 (Alderson) Split into separate modules |
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| 10 | !!---------------------------------------------------------------------- |
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[9190] | 11 | |
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[3614] | 12 | !!---------------------------------------------------------------------- |
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| 13 | !! icb_utl_interp : |
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| 14 | !! icb_utl_bilin : |
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| 15 | !! icb_utl_bilin_e : |
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| 16 | !!---------------------------------------------------------------------- |
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| 17 | USE par_oce ! ocean parameters |
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| 18 | USE dom_oce ! ocean domain |
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| 19 | USE in_out_manager ! IO parameters |
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| 20 | USE lbclnk ! lateral boundary condition |
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| 21 | USE lib_mpp ! MPI code and lk_mpp in particular |
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| 22 | USE icb_oce ! define iceberg arrays |
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| 23 | USE sbc_oce ! ocean surface boundary conditions |
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[9570] | 24 | #if defined key_si3 |
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[9656] | 25 | USE ice, ONLY: u_ice, v_ice, hm_i ! SI3 variables |
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[3614] | 26 | #endif |
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| 27 | |
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| 28 | IMPLICIT NONE |
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| 29 | PRIVATE |
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| 30 | |
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| 31 | PUBLIC icb_utl_copy ! routine called in icbstp module |
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| 32 | PUBLIC icb_utl_interp ! routine called in icbdyn, icbthm modules |
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| 33 | PUBLIC icb_utl_bilin ! routine called in icbini, icbdyn modules |
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| 34 | PUBLIC icb_utl_bilin_x ! routine called in icbdyn module |
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| 35 | PUBLIC icb_utl_add ! routine called in icbini.F90, icbclv, icblbc and icbrst modules |
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| 36 | PUBLIC icb_utl_delete ! routine called in icblbc, icbthm modules |
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| 37 | PUBLIC icb_utl_destroy ! routine called in icbstp module |
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| 38 | PUBLIC icb_utl_track ! routine not currently used, retain just in case |
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| 39 | PUBLIC icb_utl_print_berg ! routine called in icbthm module |
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| 40 | PUBLIC icb_utl_print ! routine called in icbini, icbstp module |
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| 41 | PUBLIC icb_utl_count ! routine called in icbdia, icbini, icblbc, icbrst modules |
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| 42 | PUBLIC icb_utl_incr ! routine called in icbini, icbclv modules |
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| 43 | PUBLIC icb_utl_yearday ! routine called in icbclv, icbstp module |
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| 44 | PUBLIC icb_utl_mass ! routine called in icbdia module |
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| 45 | PUBLIC icb_utl_heat ! routine called in icbdia module |
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| 46 | |
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| 47 | !!---------------------------------------------------------------------- |
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[9598] | 48 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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[5215] | 49 | !! $Id$ |
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[9598] | 50 | !! Software governed by the CeCILL licence (./LICENSE) |
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[9190] | 51 | !!---------------------------------------------------------------------- |
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[3614] | 52 | CONTAINS |
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| 53 | |
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| 54 | SUBROUTINE icb_utl_copy() |
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| 55 | !!---------------------------------------------------------------------- |
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| 56 | !! *** ROUTINE icb_utl_copy *** |
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| 57 | !! |
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| 58 | !! ** Purpose : iceberg initialization. |
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| 59 | !! |
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| 60 | !! ** Method : - blah blah |
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| 61 | !!---------------------------------------------------------------------- |
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| 62 | |
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| 63 | ! copy nemo forcing arrays into iceberg versions with extra halo |
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| 64 | ! only necessary for variables not on T points |
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| 65 | ! and ssh which is used to calculate gradients |
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| 66 | |
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[9190] | 67 | uo_e(:,:) = 0._wp ; uo_e(1:jpi,1:jpj) = ssu_m(:,:) * umask(:,:,1) |
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| 68 | vo_e(:,:) = 0._wp ; vo_e(1:jpi,1:jpj) = ssv_m(:,:) * vmask(:,:,1) |
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| 69 | ff_e(:,:) = 0._wp ; ff_e(1:jpi,1:jpj) = ff_f (:,:) |
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| 70 | tt_e(:,:) = 0._wp ; tt_e(1:jpi,1:jpj) = sst_m(:,:) |
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| 71 | fr_e(:,:) = 0._wp ; fr_e(1:jpi,1:jpj) = fr_i (:,:) |
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| 72 | ua_e(:,:) = 0._wp ; ua_e(1:jpi,1:jpj) = utau (:,:) * umask(:,:,1) ! maybe mask useless because mask applied in sbcblk |
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| 73 | va_e(:,:) = 0._wp ; va_e(1:jpi,1:jpj) = vtau (:,:) * vmask(:,:,1) ! maybe mask useless because mask applied in sbcblk |
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| 74 | ! |
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[4990] | 75 | CALL lbc_lnk_icb( uo_e, 'U', -1._wp, 1, 1 ) |
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| 76 | CALL lbc_lnk_icb( vo_e, 'V', -1._wp, 1, 1 ) |
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| 77 | CALL lbc_lnk_icb( ff_e, 'F', +1._wp, 1, 1 ) |
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| 78 | CALL lbc_lnk_icb( ua_e, 'U', -1._wp, 1, 1 ) |
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| 79 | CALL lbc_lnk_icb( va_e, 'V', -1._wp, 1, 1 ) |
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| 80 | CALL lbc_lnk_icb( fr_e, 'T', +1._wp, 1, 1 ) |
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| 81 | CALL lbc_lnk_icb( tt_e, 'T', +1._wp, 1, 1 ) |
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[9570] | 82 | #if defined key_si3 |
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[9019] | 83 | hicth(:,:) = 0._wp ; hicth(1:jpi,1:jpj) = hm_i (:,:) |
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[3614] | 84 | ui_e(:,:) = 0._wp ; ui_e(1:jpi, 1:jpj) = u_ice(:,:) |
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| 85 | vi_e(:,:) = 0._wp ; vi_e(1:jpi, 1:jpj) = v_ice(:,:) |
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[9190] | 86 | ! |
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| 87 | CALL lbc_lnk_icb( hicth, 'T', +1._wp, 1, 1 ) |
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| 88 | CALL lbc_lnk_icb( ui_e , 'U', -1._wp, 1, 1 ) |
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| 89 | CALL lbc_lnk_icb( vi_e , 'V', -1._wp, 1, 1 ) |
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[3614] | 90 | #endif |
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| 91 | |
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| 92 | !! special for ssh which is used to calculate slope |
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| 93 | !! so fudge some numbers all the way around the boundary |
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| 94 | |
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[4990] | 95 | ssh_e(:,:) = 0._wp ; ssh_e(1:jpi, 1:jpj) = ssh_m(:,:) * tmask(:,:,1) |
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[3614] | 96 | ssh_e(0 , :) = ssh_e(1 , :) |
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| 97 | ssh_e(jpi+1, :) = ssh_e(jpi, :) |
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| 98 | ssh_e(: , 0) = ssh_e(: , 1) |
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| 99 | ssh_e(: ,jpj+1) = ssh_e(: ,jpj) |
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| 100 | ssh_e(0,0) = ssh_e(1,1) |
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| 101 | ssh_e(jpi+1,0) = ssh_e(jpi,1) |
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| 102 | ssh_e(0,jpj+1) = ssh_e(1,jpj) |
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| 103 | ssh_e(jpi+1,jpj+1) = ssh_e(jpi,jpj) |
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[4990] | 104 | CALL lbc_lnk_icb( ssh_e, 'T', +1._wp, 1, 1 ) |
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[3614] | 105 | ! |
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| 106 | END SUBROUTINE icb_utl_copy |
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| 107 | |
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| 108 | |
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| 109 | SUBROUTINE icb_utl_interp( pi, pe1, puo, pui, pua, pssh_i, & |
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| 110 | & pj, pe2, pvo, pvi, pva, pssh_j, & |
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| 111 | & psst, pcn, phi, pff ) |
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| 112 | !!---------------------------------------------------------------------- |
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| 113 | !! *** ROUTINE icb_utl_interp *** |
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| 114 | !! |
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| 115 | !! ** Purpose : interpolation |
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| 116 | !! |
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| 117 | !! ** Method : - interpolate from various ocean arrays onto iceberg position |
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| 118 | !! |
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| 119 | !! !!gm CAUTION here I do not care of the slip/no-slip conditions |
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| 120 | !! this can be done later (not that easy to do...) |
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| 121 | !! right now, U is 0 in land so that the coastal value of velocity parallel to the coast |
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| 122 | !! is half the off shore value, wile the normal-to-the-coast value is zero. |
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| 123 | !! This is OK as a starting point. |
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| 124 | !! |
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| 125 | !!---------------------------------------------------------------------- |
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| 126 | REAL(wp), INTENT(in ) :: pi , pj ! position in (i,j) referential |
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| 127 | REAL(wp), INTENT( out) :: pe1, pe2 ! i- and j scale factors |
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| 128 | REAL(wp), INTENT( out) :: puo, pvo, pui, pvi, pua, pva ! ocean, ice and wind speeds |
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| 129 | REAL(wp), INTENT( out) :: pssh_i, pssh_j ! ssh i- & j-gradients |
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| 130 | REAL(wp), INTENT( out) :: psst, pcn, phi, pff ! SST, ice concentration, ice thickness, Coriolis |
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| 131 | ! |
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| 132 | REAL(wp) :: zcd, zmod ! local scalars |
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| 133 | !!---------------------------------------------------------------------- |
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| 134 | |
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[4990] | 135 | pe1 = icb_utl_bilin_e( e1t, e1u, e1v, e1f, pi, pj ) ! scale factors |
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[3614] | 136 | pe2 = icb_utl_bilin_e( e2t, e2u, e2v, e2f, pi, pj ) |
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| 137 | ! |
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| 138 | puo = icb_utl_bilin_h( uo_e, pi, pj, 'U' ) ! ocean velocities |
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| 139 | pvo = icb_utl_bilin_h( vo_e, pi, pj, 'V' ) |
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[4990] | 140 | psst = icb_utl_bilin_h( tt_e, pi, pj, 'T' ) ! SST |
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| 141 | pcn = icb_utl_bilin_h( fr_e , pi, pj, 'T' ) ! ice concentration |
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[3614] | 142 | pff = icb_utl_bilin_h( ff_e , pi, pj, 'F' ) ! Coriolis parameter |
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| 143 | ! |
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| 144 | pua = icb_utl_bilin_h( ua_e , pi, pj, 'U' ) ! 10m wind |
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| 145 | pva = icb_utl_bilin_h( va_e , pi, pj, 'V' ) ! here (ua,va) are stress => rough conversion from stress to speed |
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[4990] | 146 | zcd = 1.22_wp * 1.5e-3_wp ! air density * drag coefficient |
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[3614] | 147 | zmod = 1._wp / MAX( 1.e-20, SQRT( zcd * SQRT( pua*pua + pva*pva) ) ) |
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[4990] | 148 | pua = pua * zmod ! note: stress module=0 necessarly implies ua=va=0 |
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[3614] | 149 | pva = pva * zmod |
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| 150 | |
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[9570] | 151 | #if defined key_si3 |
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[9190] | 152 | pui = icb_utl_bilin_h( ui_e , pi, pj, 'U' ) ! sea-ice velocities |
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| 153 | pvi = icb_utl_bilin_h( vi_e , pi, pj, 'V' ) |
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| 154 | phi = icb_utl_bilin_h( hicth, pi, pj, 'T' ) ! ice thickness |
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[3614] | 155 | #else |
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| 156 | pui = 0._wp |
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| 157 | pvi = 0._wp |
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| 158 | phi = 0._wp |
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| 159 | #endif |
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| 160 | |
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| 161 | ! Estimate SSH gradient in i- and j-direction (centred evaluation) |
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| 162 | pssh_i = ( icb_utl_bilin_h( ssh_e, pi+0.1_wp, pj, 'T' ) - & |
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[9190] | 163 | & icb_utl_bilin_h( ssh_e, pi-0.1_wp, pj, 'T' ) ) / ( 0.2_wp * pe1 ) |
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[3614] | 164 | pssh_j = ( icb_utl_bilin_h( ssh_e, pi, pj+0.1_wp, 'T' ) - & |
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[9190] | 165 | & icb_utl_bilin_h( ssh_e, pi, pj-0.1_wp, 'T' ) ) / ( 0.2_wp * pe2 ) |
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[3614] | 166 | ! |
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| 167 | END SUBROUTINE icb_utl_interp |
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| 168 | |
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| 169 | |
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| 170 | REAL(wp) FUNCTION icb_utl_bilin_h( pfld, pi, pj, cd_type ) |
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| 171 | !!---------------------------------------------------------------------- |
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| 172 | !! *** FUNCTION icb_utl_bilin *** |
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| 173 | !! |
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| 174 | !! ** Purpose : bilinear interpolation at berg location depending on the grid-point type |
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| 175 | !! this version deals with extra halo points |
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| 176 | !! |
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| 177 | !! !!gm CAUTION an optional argument should be added to handle |
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| 178 | !! the slip/no-slip conditions ==>>> to be done later |
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| 179 | !! |
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| 180 | !!---------------------------------------------------------------------- |
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| 181 | REAL(wp), DIMENSION(0:jpi+1,0:jpj+1), INTENT(in) :: pfld ! field to be interpolated |
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| 182 | REAL(wp) , INTENT(in) :: pi, pj ! targeted coordinates in (i,j) referential |
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| 183 | CHARACTER(len=1) , INTENT(in) :: cd_type ! type of pfld array grid-points: = T , U , V or F points |
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| 184 | ! |
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| 185 | INTEGER :: ii, ij ! local integer |
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| 186 | REAL(wp) :: zi, zj ! local real |
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| 187 | !!---------------------------------------------------------------------- |
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| 188 | ! |
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| 189 | SELECT CASE ( cd_type ) |
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[9190] | 190 | CASE ( 'T' ) |
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| 191 | ! note that here there is no +0.5 added |
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| 192 | ! since we're looking for four T points containing quadrant we're in of |
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| 193 | ! current T cell |
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| 194 | ii = MAX(1, INT( pi )) |
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| 195 | ij = MAX(1, INT( pj )) ! T-point |
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| 196 | zi = pi - REAL(ii,wp) |
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| 197 | zj = pj - REAL(ij,wp) |
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| 198 | CASE ( 'U' ) |
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| 199 | ii = MAX(1, INT( pi-0.5 )) |
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| 200 | ij = MAX(1, INT( pj )) ! U-point |
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| 201 | zi = pi - 0.5 - REAL(ii,wp) |
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| 202 | zj = pj - REAL(ij,wp) |
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| 203 | CASE ( 'V' ) |
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| 204 | ii = MAX(1, INT( pi )) |
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| 205 | ij = MAX(1, INT( pj-0.5 )) ! V-point |
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| 206 | zi = pi - REAL(ii,wp) |
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| 207 | zj = pj - 0.5 - REAL(ij,wp) |
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| 208 | CASE ( 'F' ) |
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| 209 | ii = MAX(1, INT( pi-0.5 )) |
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| 210 | ij = MAX(1, INT( pj-0.5 )) ! F-point |
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| 211 | zi = pi - 0.5 - REAL(ii,wp) |
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| 212 | zj = pj - 0.5 - REAL(ij,wp) |
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[3614] | 213 | END SELECT |
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| 214 | ! |
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[4990] | 215 | ! find position in this processor. Prevent near edge problems (see #1389) |
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[3614] | 216 | ! |
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[9190] | 217 | IF ( ii < mig( 1 ) ) THEN ; ii = 1 |
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| 218 | ELSEIF( ii > mig(jpi) ) THEN ; ii = jpi |
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| 219 | ELSE ; ii = mi1(ii) |
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| 220 | ENDIF |
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| 221 | IF ( ij < mjg( 1 ) ) THEN ; ij = 1 |
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| 222 | ELSEIF( ij > mjg(jpj) ) THEN ; ij = jpj |
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| 223 | ELSE ; ij = mj1(ij) |
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| 224 | ENDIF |
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| 225 | ! |
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| 226 | IF( ii == jpi ) ii = ii-1 |
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| 227 | IF( ij == jpj ) ij = ij-1 |
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| 228 | ! |
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[3614] | 229 | icb_utl_bilin_h = ( pfld(ii,ij ) * (1.-zi) + pfld(ii+1,ij ) * zi ) * (1.-zj) & |
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| 230 | & + ( pfld(ii,ij+1) * (1.-zi) + pfld(ii+1,ij+1) * zi ) * zj |
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| 231 | ! |
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| 232 | END FUNCTION icb_utl_bilin_h |
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| 233 | |
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| 234 | |
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| 235 | REAL(wp) FUNCTION icb_utl_bilin( pfld, pi, pj, cd_type ) |
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| 236 | !!---------------------------------------------------------------------- |
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| 237 | !! *** FUNCTION icb_utl_bilin *** |
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| 238 | !! |
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| 239 | !! ** Purpose : bilinear interpolation at berg location depending on the grid-point type |
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| 240 | !! |
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| 241 | !! !!gm CAUTION an optional argument should be added to handle |
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| 242 | !! the slip/no-slip conditions ==>>> to be done later |
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| 243 | !! |
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| 244 | !!---------------------------------------------------------------------- |
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| 245 | REAL(wp), DIMENSION(jpi,jpj), INTENT(in) :: pfld ! field to be interpolated |
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| 246 | REAL(wp) , INTENT(in) :: pi, pj ! targeted coordinates in (i,j) referential |
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| 247 | CHARACTER(len=1) , INTENT(in) :: cd_type ! type of pfld array grid-points: = T , U , V or F points |
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| 248 | ! |
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| 249 | INTEGER :: ii, ij ! local integer |
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| 250 | REAL(wp) :: zi, zj ! local real |
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| 251 | !!---------------------------------------------------------------------- |
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| 252 | ! |
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| 253 | SELECT CASE ( cd_type ) |
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| 254 | CASE ( 'T' ) |
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| 255 | ! note that here there is no +0.5 added |
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| 256 | ! since we're looking for four T points containing quadrant we're in of |
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| 257 | ! current T cell |
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[3821] | 258 | ii = MAX(1, INT( pi )) |
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| 259 | ij = MAX(1, INT( pj )) ! T-point |
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[3614] | 260 | zi = pi - REAL(ii,wp) |
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| 261 | zj = pj - REAL(ij,wp) |
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| 262 | CASE ( 'U' ) |
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[3821] | 263 | ii = MAX(1, INT( pi-0.5 )) |
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| 264 | ij = MAX(1, INT( pj )) ! U-point |
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[3614] | 265 | zi = pi - 0.5 - REAL(ii,wp) |
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| 266 | zj = pj - REAL(ij,wp) |
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| 267 | CASE ( 'V' ) |
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[3821] | 268 | ii = MAX(1, INT( pi )) |
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| 269 | ij = MAX(1, INT( pj-0.5 )) ! V-point |
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[3614] | 270 | zi = pi - REAL(ii,wp) |
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| 271 | zj = pj - 0.5 - REAL(ij,wp) |
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| 272 | CASE ( 'F' ) |
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[3821] | 273 | ii = MAX(1, INT( pi-0.5 )) |
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| 274 | ij = MAX(1, INT( pj-0.5 )) ! F-point |
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[3614] | 275 | zi = pi - 0.5 - REAL(ii,wp) |
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| 276 | zj = pj - 0.5 - REAL(ij,wp) |
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| 277 | END SELECT |
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| 278 | ! |
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[4990] | 279 | ! find position in this processor. Prevent near edge problems (see #1389) |
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[9190] | 280 | IF ( ii < mig( 1 ) ) THEN ; ii = 1 |
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| 281 | ELSEIF( ii > mig(jpi) ) THEN ; ii = jpi |
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| 282 | ELSE ; ii = mi1(ii) |
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| 283 | ENDIF |
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| 284 | IF ( ij < mjg( 1 ) ) THEN ; ij = 1 |
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| 285 | ELSEIF( ij > mjg(jpj) ) THEN ; ij = jpj |
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| 286 | ELSE ; ij = mj1(ij) |
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| 287 | ENDIF |
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| 288 | ! |
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| 289 | IF( ii == jpi ) ii = ii-1 |
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| 290 | IF( ij == jpj ) ij = ij-1 |
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| 291 | ! |
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[3614] | 292 | icb_utl_bilin = ( pfld(ii,ij ) * (1.-zi) + pfld(ii+1,ij ) * zi ) * (1.-zj) & |
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| 293 | & + ( pfld(ii,ij+1) * (1.-zi) + pfld(ii+1,ij+1) * zi ) * zj |
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| 294 | ! |
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| 295 | END FUNCTION icb_utl_bilin |
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| 296 | |
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| 297 | |
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| 298 | REAL(wp) FUNCTION icb_utl_bilin_x( pfld, pi, pj ) |
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| 299 | !!---------------------------------------------------------------------- |
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| 300 | !! *** FUNCTION icb_utl_bilin_x *** |
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| 301 | !! |
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| 302 | !! ** Purpose : bilinear interpolation at berg location depending on the grid-point type |
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| 303 | !! Special case for interpolating longitude |
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| 304 | !! |
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| 305 | !! !!gm CAUTION an optional argument should be added to handle |
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| 306 | !! the slip/no-slip conditions ==>>> to be done later |
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| 307 | !! |
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| 308 | !!---------------------------------------------------------------------- |
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| 309 | REAL(wp), DIMENSION(jpi,jpj), INTENT(in) :: pfld ! field to be interpolated |
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| 310 | REAL(wp) , INTENT(in) :: pi, pj ! targeted coordinates in (i,j) referential |
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| 311 | ! |
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| 312 | INTEGER :: ii, ij ! local integer |
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| 313 | REAL(wp) :: zi, zj ! local real |
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| 314 | REAL(wp) :: zret ! local real |
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| 315 | REAL(wp), DIMENSION(4) :: z4 |
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| 316 | !!---------------------------------------------------------------------- |
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| 317 | ! |
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| 318 | ! note that here there is no +0.5 added |
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| 319 | ! since we're looking for four T points containing quadrant we're in of |
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| 320 | ! current T cell |
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[3821] | 321 | ii = MAX(1, INT( pi )) |
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| 322 | ij = MAX(1, INT( pj )) ! T-point |
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[3614] | 323 | zi = pi - REAL(ii,wp) |
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| 324 | zj = pj - REAL(ij,wp) |
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| 325 | ! |
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[4990] | 326 | ! find position in this processor. Prevent near edge problems (see #1389) |
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[9190] | 327 | IF ( ii < mig( 1 ) ) THEN ; ii = 1 |
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| 328 | ELSEIF( ii > mig(jpi) ) THEN ; ii = jpi |
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| 329 | ELSE ; ii = mi1(ii) |
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| 330 | ENDIF |
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| 331 | IF ( ij < mjg( 1 ) ) THEN ; ij = 1 |
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| 332 | ELSEIF( ij > mjg(jpj) ) THEN ; ij = jpj |
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| 333 | ELSE ; ij = mj1(ij) |
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| 334 | ENDIF |
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| 335 | ! |
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| 336 | IF( ii == jpi ) ii = ii-1 |
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| 337 | IF( ij == jpj ) ij = ij-1 |
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| 338 | ! |
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[3614] | 339 | z4(1) = pfld(ii ,ij ) |
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| 340 | z4(2) = pfld(ii+1,ij ) |
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| 341 | z4(3) = pfld(ii ,ij+1) |
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| 342 | z4(4) = pfld(ii+1,ij+1) |
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| 343 | IF( MAXVAL(z4) - MINVAL(z4) > 90._wp ) THEN |
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| 344 | WHERE( z4 < 0._wp ) z4 = z4 + 360._wp |
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| 345 | ENDIF |
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| 346 | ! |
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| 347 | zret = (z4(1) * (1.-zi) + z4(2) * zi) * (1.-zj) + (z4(3) * (1.-zi) + z4(4) * zi) * zj |
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| 348 | IF( zret > 180._wp ) zret = zret - 360._wp |
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| 349 | icb_utl_bilin_x = zret |
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| 350 | ! |
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| 351 | END FUNCTION icb_utl_bilin_x |
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| 352 | |
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| 353 | |
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| 354 | REAL(wp) FUNCTION icb_utl_bilin_e( pet, peu, pev, pef, pi, pj ) |
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| 355 | !!---------------------------------------------------------------------- |
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| 356 | !! *** FUNCTION dom_init *** |
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| 357 | !! |
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| 358 | !! ** Purpose : bilinear interpolation at berg location of horizontal scale factor |
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| 359 | !! ** Method : interpolation done using the 4 nearest grid points among |
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| 360 | !! t-, u-, v-, and f-points. |
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| 361 | !!---------------------------------------------------------------------- |
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| 362 | REAL(wp), DIMENSION(:,:), INTENT(in) :: pet, peu, pev, pef ! horizontal scale factor to be interpolated at t-,u-,v- & f-pts |
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| 363 | REAL(wp) , INTENT(in) :: pi, pj ! targeted coordinates in (i,j) referential |
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| 364 | ! |
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| 365 | INTEGER :: ii, ij, icase ! local integer |
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| 366 | ! |
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| 367 | ! weights corresponding to corner points of a T cell quadrant |
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| 368 | REAL(wp) :: zi, zj ! local real |
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| 369 | ! |
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| 370 | ! values at corner points of a T cell quadrant |
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| 371 | ! 00 = bottom left, 10 = bottom right, 01 = top left, 11 = top right |
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| 372 | REAL(wp) :: ze00, ze10, ze01, ze11 |
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| 373 | !!---------------------------------------------------------------------- |
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| 374 | ! |
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[3821] | 375 | ii = MAX(1, INT( pi )) ; ij = MAX(1, INT( pj )) ! left bottom T-point (i,j) indices |
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[3614] | 376 | |
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| 377 | ! fractional box spacing |
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| 378 | ! 0 <= zi < 0.5, 0 <= zj < 0.5 --> NW quadrant of current T cell |
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| 379 | ! 0.5 <= zi < 1 , 0 <= zj < 0.5 --> NE quadrant |
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| 380 | ! 0 <= zi < 0.5, 0.5 <= zj < 1 --> SE quadrant |
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| 381 | ! 0.5 <= zi < 1 , 0.5 <= zj < 1 --> SW quadrant |
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| 382 | |
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| 383 | zi = pi - REAL(ii,wp) !!gm use here mig, mjg arrays |
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| 384 | zj = pj - REAL(ij,wp) |
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| 385 | |
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[4990] | 386 | ! find position in this processor. Prevent near edge problems (see #1389) |
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[9190] | 387 | IF ( ii < mig( 1 ) ) THEN ; ii = 1 |
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| 388 | ELSEIF( ii > mig(jpi) ) THEN ; ii = jpi |
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| 389 | ELSE ; ii = mi1(ii) |
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| 390 | ENDIF |
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| 391 | IF ( ij < mjg( 1 ) ) THEN ; ij = 1 |
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| 392 | ELSEIF( ij > mjg(jpj) ) THEN ; ij = jpj |
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| 393 | ELSE ; ij = mj1(ij) |
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| 394 | ENDIF |
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| 395 | ! |
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| 396 | IF( ii == jpi ) ii = ii-1 |
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| 397 | IF( ij == jpj ) ij = ij-1 |
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| 398 | ! |
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[3614] | 399 | IF( 0.0_wp <= zi .AND. zi < 0.5_wp ) THEN |
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| 400 | IF( 0.0_wp <= zj .AND. zj < 0.5_wp ) THEN ! NE quadrant |
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| 401 | ! ! i=I i=I+1/2 |
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| 402 | ze01 = pev(ii ,ij ) ; ze11 = pef(ii ,ij ) ! j=J+1/2 V ------- F |
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| 403 | ze00 = pet(ii ,ij ) ; ze10 = peu(ii ,ij ) ! j=J T ------- U |
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| 404 | zi = 2._wp * zi |
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| 405 | zj = 2._wp * zj |
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| 406 | ELSE ! SE quadrant |
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| 407 | ! ! i=I i=I+1/2 |
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| 408 | ze01 = pet(ii ,ij+1) ; ze11 = peu(ii ,ij+1) ! j=J+1 T ------- U |
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| 409 | ze00 = pev(ii ,ij ) ; ze10 = pef(ii ,ij ) ! j=J+1/2 V ------- F |
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| 410 | zi = 2._wp * zi |
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| 411 | zj = 2._wp * (zj-0.5_wp) |
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| 412 | ENDIF |
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| 413 | ELSE |
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| 414 | IF( 0.0_wp <= zj .AND. zj < 0.5_wp ) THEN ! NW quadrant |
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| 415 | ! ! i=I i=I+1/2 |
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| 416 | ze01 = pef(ii ,ij ) ; ze11 = pev(ii+1,ij) ! j=J+1/2 F ------- V |
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| 417 | ze00 = peu(ii ,ij ) ; ze10 = pet(ii+1,ij) ! j=J U ------- T |
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| 418 | zi = 2._wp * (zi-0.5_wp) |
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| 419 | zj = 2._wp * zj |
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| 420 | ELSE ! SW quadrant |
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| 421 | ! ! i=I+1/2 i=I+1 |
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| 422 | ze01 = peu(ii ,ij+1) ; ze11 = pet(ii+1,ij+1) ! j=J+1 U ------- T |
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| 423 | ze00 = pef(ii ,ij ) ; ze10 = pev(ii+1,ij ) ! j=J+1/2 F ------- V |
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| 424 | zi = 2._wp * (zi-0.5_wp) |
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| 425 | zj = 2._wp * (zj-0.5_wp) |
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| 426 | ENDIF |
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| 427 | ENDIF |
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| 428 | ! |
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| 429 | icb_utl_bilin_e = ( ze01 * (1.-zi) + ze11 * zi ) * zj & |
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| 430 | & + ( ze00 * (1.-zi) + ze10 * zi ) * (1.-zj) |
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| 431 | ! |
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| 432 | END FUNCTION icb_utl_bilin_e |
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| 433 | |
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| 434 | |
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| 435 | SUBROUTINE icb_utl_add( bergvals, ptvals ) |
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| 436 | !!---------------------------------------------------------------------- |
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| 437 | !! *** ROUTINE icb_utl_add *** |
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| 438 | !! |
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| 439 | !! ** Purpose : add a new berg to the iceberg list |
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| 440 | !! |
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| 441 | !!---------------------------------------------------------------------- |
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| 442 | TYPE(iceberg), INTENT(in) :: bergvals |
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| 443 | TYPE(point) , INTENT(in) :: ptvals |
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| 444 | ! |
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| 445 | TYPE(iceberg), POINTER :: new => NULL() |
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| 446 | !!---------------------------------------------------------------------- |
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| 447 | ! |
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| 448 | new => NULL() |
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| 449 | CALL icb_utl_create( new, bergvals, ptvals ) |
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| 450 | CALL icb_utl_insert( new ) |
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| 451 | new => NULL() ! Clear new |
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| 452 | ! |
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| 453 | END SUBROUTINE icb_utl_add |
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| 454 | |
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| 455 | |
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| 456 | SUBROUTINE icb_utl_create( berg, bergvals, ptvals ) |
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| 457 | !!---------------------------------------------------------------------- |
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| 458 | !! *** ROUTINE icb_utl_create *** |
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| 459 | !! |
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| 460 | !! ** Purpose : add a new berg to the iceberg list |
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| 461 | !! |
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| 462 | !!---------------------------------------------------------------------- |
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| 463 | TYPE(iceberg), INTENT(in) :: bergvals |
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| 464 | TYPE(point) , INTENT(in) :: ptvals |
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| 465 | TYPE(iceberg), POINTER :: berg |
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| 466 | ! |
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| 467 | TYPE(point) , POINTER :: pt |
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| 468 | INTEGER :: istat |
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| 469 | !!---------------------------------------------------------------------- |
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| 470 | ! |
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| 471 | IF( ASSOCIATED(berg) ) CALL ctl_stop( 'icebergs, icb_utl_create: berg already associated' ) |
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| 472 | ALLOCATE(berg, STAT=istat) |
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| 473 | IF( istat /= 0 ) CALL ctl_stop( 'failed to allocate iceberg' ) |
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| 474 | berg%number(:) = bergvals%number(:) |
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| 475 | berg%mass_scaling = bergvals%mass_scaling |
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| 476 | berg%prev => NULL() |
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| 477 | berg%next => NULL() |
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| 478 | ! |
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| 479 | ALLOCATE(pt, STAT=istat) |
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| 480 | IF( istat /= 0 ) CALL ctl_stop( 'failed to allocate first iceberg point' ) |
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| 481 | pt = ptvals |
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| 482 | berg%current_point => pt |
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| 483 | ! |
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| 484 | END SUBROUTINE icb_utl_create |
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| 485 | |
---|
| 486 | |
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| 487 | SUBROUTINE icb_utl_insert( newberg ) |
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| 488 | !!---------------------------------------------------------------------- |
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| 489 | !! *** ROUTINE icb_utl_insert *** |
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| 490 | !! |
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| 491 | !! ** Purpose : add a new berg to the iceberg list |
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| 492 | !! |
---|
| 493 | !!---------------------------------------------------------------------- |
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| 494 | TYPE(iceberg), POINTER :: newberg |
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| 495 | ! |
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| 496 | TYPE(iceberg), POINTER :: this, prev, last |
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| 497 | !!---------------------------------------------------------------------- |
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| 498 | ! |
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| 499 | IF( ASSOCIATED( first_berg ) ) THEN |
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| 500 | last => first_berg |
---|
| 501 | DO WHILE (ASSOCIATED(last%next)) |
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| 502 | last => last%next |
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| 503 | ENDDO |
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| 504 | newberg%prev => last |
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| 505 | last%next => newberg |
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| 506 | last => newberg |
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| 507 | ELSE ! list is empty so create it |
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| 508 | first_berg => newberg |
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| 509 | ENDIF |
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| 510 | ! |
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| 511 | END SUBROUTINE icb_utl_insert |
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| 512 | |
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| 513 | |
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| 514 | REAL(wp) FUNCTION icb_utl_yearday(kmon, kday, khr, kmin, ksec) |
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| 515 | !!---------------------------------------------------------------------- |
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| 516 | !! *** FUNCTION icb_utl_yearday *** |
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| 517 | !! |
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| 518 | !! ** Purpose : |
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| 519 | !! |
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| 520 | ! sga - improved but still only applies to 365 day year, need to do this properly |
---|
| 521 | ! |
---|
| 522 | !!gm all these info are already known in daymod, no??? |
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| 523 | !! |
---|
| 524 | !!---------------------------------------------------------------------- |
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| 525 | INTEGER, INTENT(in) :: kmon, kday, khr, kmin, ksec |
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| 526 | ! |
---|
| 527 | INTEGER, DIMENSION(12) :: imonths = (/ 0,31,28,31,30,31,30,31,31,30,31,30 /) |
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| 528 | !!---------------------------------------------------------------------- |
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| 529 | ! |
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| 530 | icb_utl_yearday = REAL( SUM( imonths(1:kmon) ), wp ) |
---|
| 531 | icb_utl_yearday = icb_utl_yearday + REAL(kday-1,wp) + (REAL(khr,wp) + (REAL(kmin,wp) + REAL(ksec,wp)/60.)/60.)/24. |
---|
| 532 | ! |
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| 533 | END FUNCTION icb_utl_yearday |
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| 534 | |
---|
| 535 | !!------------------------------------------------------------------------- |
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| 536 | |
---|
| 537 | SUBROUTINE icb_utl_delete( first, berg ) |
---|
| 538 | !!---------------------------------------------------------------------- |
---|
| 539 | !! *** ROUTINE icb_utl_delete *** |
---|
| 540 | !! |
---|
| 541 | !! ** Purpose : |
---|
| 542 | !! |
---|
| 543 | !!---------------------------------------------------------------------- |
---|
| 544 | TYPE(iceberg), POINTER :: first, berg |
---|
| 545 | !!---------------------------------------------------------------------- |
---|
| 546 | ! Connect neighbors to each other |
---|
| 547 | IF ( ASSOCIATED(berg%prev) ) THEN |
---|
| 548 | berg%prev%next => berg%next |
---|
| 549 | ELSE |
---|
| 550 | first => berg%next |
---|
| 551 | ENDIF |
---|
| 552 | IF (ASSOCIATED(berg%next)) berg%next%prev => berg%prev |
---|
| 553 | ! |
---|
| 554 | CALL icb_utl_destroy(berg) |
---|
| 555 | ! |
---|
| 556 | END SUBROUTINE icb_utl_delete |
---|
| 557 | |
---|
| 558 | |
---|
| 559 | SUBROUTINE icb_utl_destroy( berg ) |
---|
| 560 | !!---------------------------------------------------------------------- |
---|
| 561 | !! *** ROUTINE icb_utl_destroy *** |
---|
| 562 | !! |
---|
| 563 | !! ** Purpose : remove a single iceberg instance |
---|
| 564 | !! |
---|
| 565 | !!---------------------------------------------------------------------- |
---|
| 566 | TYPE(iceberg), POINTER :: berg |
---|
| 567 | !!---------------------------------------------------------------------- |
---|
| 568 | ! |
---|
| 569 | ! Remove any points |
---|
| 570 | IF( ASSOCIATED( berg%current_point ) ) DEALLOCATE( berg%current_point ) |
---|
| 571 | ! |
---|
| 572 | DEALLOCATE(berg) |
---|
| 573 | ! |
---|
| 574 | END SUBROUTINE icb_utl_destroy |
---|
| 575 | |
---|
| 576 | |
---|
| 577 | SUBROUTINE icb_utl_track( knum, cd_label, kt ) |
---|
| 578 | !!---------------------------------------------------------------------- |
---|
| 579 | !! *** ROUTINE icb_utl_track *** |
---|
| 580 | !! |
---|
| 581 | !! ** Purpose : |
---|
| 582 | !! |
---|
| 583 | !!---------------------------------------------------------------------- |
---|
| 584 | INTEGER, DIMENSION(nkounts) :: knum ! iceberg number |
---|
| 585 | CHARACTER(len=*) :: cd_label ! |
---|
| 586 | INTEGER :: kt ! timestep number |
---|
| 587 | ! |
---|
| 588 | TYPE(iceberg), POINTER :: this |
---|
| 589 | LOGICAL :: match |
---|
| 590 | INTEGER :: k |
---|
| 591 | !!---------------------------------------------------------------------- |
---|
| 592 | ! |
---|
| 593 | this => first_berg |
---|
| 594 | DO WHILE( ASSOCIATED(this) ) |
---|
| 595 | match = .TRUE. |
---|
| 596 | DO k = 1, nkounts |
---|
| 597 | IF( this%number(k) /= knum(k) ) match = .FALSE. |
---|
| 598 | END DO |
---|
| 599 | IF( match ) CALL icb_utl_print_berg(this, kt) |
---|
| 600 | this => this%next |
---|
| 601 | END DO |
---|
| 602 | ! |
---|
| 603 | END SUBROUTINE icb_utl_track |
---|
| 604 | |
---|
| 605 | |
---|
| 606 | SUBROUTINE icb_utl_print_berg( berg, kt ) |
---|
| 607 | !!---------------------------------------------------------------------- |
---|
| 608 | !! *** ROUTINE icb_utl_print_berg *** |
---|
| 609 | !! |
---|
| 610 | !! ** Purpose : print one |
---|
| 611 | !! |
---|
| 612 | !!---------------------------------------------------------------------- |
---|
| 613 | TYPE(iceberg), POINTER :: berg |
---|
| 614 | TYPE(point) , POINTER :: pt |
---|
| 615 | INTEGER :: kt ! timestep number |
---|
| 616 | !!---------------------------------------------------------------------- |
---|
| 617 | ! |
---|
| 618 | pt => berg%current_point |
---|
| 619 | WRITE(numicb, 9200) kt, berg%number(1), & |
---|
| 620 | pt%xi, pt%yj, pt%lon, pt%lat, pt%uvel, pt%vvel, & |
---|
| 621 | pt%uo, pt%vo, pt%ua, pt%va, pt%ui, pt%vi |
---|
| 622 | CALL flush( numicb ) |
---|
| 623 | 9200 FORMAT(5x,i5,2x,i10,6(2x,2f10.4)) |
---|
| 624 | ! |
---|
| 625 | END SUBROUTINE icb_utl_print_berg |
---|
| 626 | |
---|
| 627 | |
---|
| 628 | SUBROUTINE icb_utl_print( cd_label, kt ) |
---|
| 629 | !!---------------------------------------------------------------------- |
---|
| 630 | !! *** ROUTINE icb_utl_print *** |
---|
| 631 | !! |
---|
| 632 | !! ** Purpose : print many |
---|
| 633 | !! |
---|
| 634 | !!---------------------------------------------------------------------- |
---|
| 635 | CHARACTER(len=*) :: cd_label |
---|
| 636 | INTEGER :: kt ! timestep number |
---|
| 637 | ! |
---|
| 638 | INTEGER :: ibergs, inbergs |
---|
| 639 | TYPE(iceberg), POINTER :: this |
---|
| 640 | !!---------------------------------------------------------------------- |
---|
| 641 | ! |
---|
| 642 | this => first_berg |
---|
| 643 | IF( ASSOCIATED(this) ) THEN |
---|
| 644 | WRITE(numicb,'(a," pe=(",i3,")")' ) cd_label, narea |
---|
| 645 | WRITE(numicb,'(a8,4x,a6,12x,a5,15x,a7,19x,a3,17x,a5,17x,a5,17x,a5)' ) & |
---|
| 646 | & 'timestep', 'number', 'xi,yj','lon,lat','u,v','uo,vo','ua,va','ui,vi' |
---|
| 647 | ENDIF |
---|
| 648 | DO WHILE( ASSOCIATED(this) ) |
---|
| 649 | CALL icb_utl_print_berg(this, kt) |
---|
| 650 | this => this%next |
---|
| 651 | END DO |
---|
| 652 | ibergs = icb_utl_count() |
---|
| 653 | inbergs = ibergs |
---|
| 654 | IF( lk_mpp ) CALL mpp_sum(inbergs) |
---|
| 655 | IF( ibergs > 0 ) WRITE(numicb,'(a," there are",i5," bergs out of",i6," on PE ",i4)') & |
---|
| 656 | & cd_label, ibergs, inbergs, narea |
---|
| 657 | ! |
---|
| 658 | END SUBROUTINE icb_utl_print |
---|
| 659 | |
---|
| 660 | |
---|
| 661 | SUBROUTINE icb_utl_incr() |
---|
| 662 | !!---------------------------------------------------------------------- |
---|
| 663 | !! *** ROUTINE icb_utl_incr *** |
---|
| 664 | !! |
---|
| 665 | !! ** Purpose : |
---|
| 666 | !! |
---|
| 667 | ! Small routine for coping with very large integer values labelling icebergs |
---|
| 668 | ! num_bergs is a array of integers |
---|
| 669 | ! the first member is incremented in steps of jpnij starting from narea |
---|
| 670 | ! this means each iceberg is labelled with a unique number |
---|
| 671 | ! when this gets to the maximum allowed integer the second and subsequent members are |
---|
| 672 | ! used to count how many times the member before cycles |
---|
| 673 | !!---------------------------------------------------------------------- |
---|
| 674 | INTEGER :: ii, ibig |
---|
| 675 | !!---------------------------------------------------------------------- |
---|
| 676 | |
---|
| 677 | ibig = HUGE(num_bergs(1)) |
---|
| 678 | IF( ibig-jpnij < num_bergs(1) ) THEN |
---|
| 679 | num_bergs(1) = narea |
---|
| 680 | DO ii = 2,nkounts |
---|
| 681 | IF( num_bergs(ii) == ibig ) THEN |
---|
| 682 | num_bergs(ii) = 0 |
---|
| 683 | IF( ii == nkounts ) CALL ctl_stop('Sorry, run out of iceberg number space') |
---|
| 684 | ELSE |
---|
| 685 | num_bergs(ii) = num_bergs(ii) + 1 |
---|
| 686 | EXIT |
---|
| 687 | ENDIF |
---|
| 688 | END DO |
---|
| 689 | ELSE |
---|
| 690 | num_bergs(1) = num_bergs(1) + jpnij |
---|
| 691 | ENDIF |
---|
| 692 | ! |
---|
| 693 | END SUBROUTINE icb_utl_incr |
---|
| 694 | |
---|
| 695 | |
---|
| 696 | INTEGER FUNCTION icb_utl_count() |
---|
| 697 | !!---------------------------------------------------------------------- |
---|
| 698 | !! *** FUNCTION icb_utl_count *** |
---|
| 699 | !! |
---|
| 700 | !! ** Purpose : |
---|
| 701 | !!---------------------------------------------------------------------- |
---|
| 702 | TYPE(iceberg), POINTER :: this |
---|
| 703 | !!---------------------------------------------------------------------- |
---|
| 704 | ! |
---|
| 705 | icb_utl_count = 0 |
---|
| 706 | this => first_berg |
---|
| 707 | DO WHILE( ASSOCIATED(this) ) |
---|
| 708 | icb_utl_count = icb_utl_count+1 |
---|
| 709 | this => this%next |
---|
| 710 | END DO |
---|
| 711 | ! |
---|
| 712 | END FUNCTION icb_utl_count |
---|
| 713 | |
---|
| 714 | |
---|
| 715 | REAL(wp) FUNCTION icb_utl_mass( first, justbits, justbergs ) |
---|
| 716 | !!---------------------------------------------------------------------- |
---|
| 717 | !! *** FUNCTION icb_utl_mass *** |
---|
| 718 | !! |
---|
| 719 | !! ** Purpose : compute the mass all iceberg, all berg bits or all bergs. |
---|
| 720 | !!---------------------------------------------------------------------- |
---|
| 721 | TYPE(iceberg) , POINTER :: first |
---|
| 722 | TYPE(point) , POINTER :: pt |
---|
| 723 | LOGICAL, INTENT(in), OPTIONAL :: justbits, justbergs |
---|
| 724 | ! |
---|
| 725 | TYPE(iceberg), POINTER :: this |
---|
| 726 | !!---------------------------------------------------------------------- |
---|
| 727 | icb_utl_mass = 0._wp |
---|
| 728 | this => first |
---|
| 729 | ! |
---|
| 730 | IF( PRESENT( justbergs ) ) THEN |
---|
| 731 | DO WHILE( ASSOCIATED( this ) ) |
---|
| 732 | pt => this%current_point |
---|
| 733 | icb_utl_mass = icb_utl_mass + pt%mass * this%mass_scaling |
---|
| 734 | this => this%next |
---|
| 735 | END DO |
---|
| 736 | ELSEIF( PRESENT(justbits) ) THEN |
---|
| 737 | DO WHILE( ASSOCIATED( this ) ) |
---|
| 738 | pt => this%current_point |
---|
| 739 | icb_utl_mass = icb_utl_mass + pt%mass_of_bits * this%mass_scaling |
---|
| 740 | this => this%next |
---|
| 741 | END DO |
---|
| 742 | ELSE |
---|
| 743 | DO WHILE( ASSOCIATED( this ) ) |
---|
| 744 | pt => this%current_point |
---|
| 745 | icb_utl_mass = icb_utl_mass + ( pt%mass + pt%mass_of_bits ) * this%mass_scaling |
---|
| 746 | this => this%next |
---|
| 747 | END DO |
---|
| 748 | ENDIF |
---|
| 749 | ! |
---|
| 750 | END FUNCTION icb_utl_mass |
---|
| 751 | |
---|
| 752 | |
---|
| 753 | REAL(wp) FUNCTION icb_utl_heat( first, justbits, justbergs ) |
---|
| 754 | !!---------------------------------------------------------------------- |
---|
| 755 | !! *** FUNCTION icb_utl_heat *** |
---|
| 756 | !! |
---|
| 757 | !! ** Purpose : compute the heat in all iceberg, all bergies or all bergs. |
---|
| 758 | !!---------------------------------------------------------------------- |
---|
| 759 | TYPE(iceberg) , POINTER :: first |
---|
| 760 | LOGICAL, INTENT(in), OPTIONAL :: justbits, justbergs |
---|
| 761 | ! |
---|
| 762 | TYPE(iceberg) , POINTER :: this |
---|
| 763 | TYPE(point) , POINTER :: pt |
---|
| 764 | !!---------------------------------------------------------------------- |
---|
| 765 | icb_utl_heat = 0._wp |
---|
| 766 | this => first |
---|
| 767 | ! |
---|
| 768 | IF( PRESENT( justbergs ) ) THEN |
---|
| 769 | DO WHILE( ASSOCIATED( this ) ) |
---|
| 770 | pt => this%current_point |
---|
| 771 | icb_utl_heat = icb_utl_heat + pt%mass * this%mass_scaling * pt%heat_density |
---|
| 772 | this => this%next |
---|
| 773 | END DO |
---|
| 774 | ELSEIF( PRESENT(justbits) ) THEN |
---|
| 775 | DO WHILE( ASSOCIATED( this ) ) |
---|
| 776 | pt => this%current_point |
---|
| 777 | icb_utl_heat = icb_utl_heat + pt%mass_of_bits * this%mass_scaling * pt%heat_density |
---|
| 778 | this => this%next |
---|
| 779 | END DO |
---|
| 780 | ELSE |
---|
| 781 | DO WHILE( ASSOCIATED( this ) ) |
---|
| 782 | pt => this%current_point |
---|
| 783 | icb_utl_heat = icb_utl_heat + ( pt%mass + pt%mass_of_bits ) * this%mass_scaling * pt%heat_density |
---|
| 784 | this => this%next |
---|
| 785 | END DO |
---|
| 786 | ENDIF |
---|
| 787 | ! |
---|
| 788 | END FUNCTION icb_utl_heat |
---|
| 789 | |
---|
| 790 | !!====================================================================== |
---|
| 791 | END MODULE icbutl |
---|