[3] | 1 | MODULE flodom |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE flodom *** |
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| 4 | !! Ocean floats : domain |
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| 5 | !!====================================================================== |
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[2528] | 6 | !! History : OPA ! 1998-07 (Y.Drillet, CLIPPER) Original code |
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| 7 | !!---------------------------------------------------------------------- |
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[3] | 8 | #if defined key_floats || defined key_esopa |
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| 9 | !!---------------------------------------------------------------------- |
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| 10 | !! 'key_floats' float trajectories |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | !! flo_dom : initialization of floats |
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| 13 | !! findmesh : compute index of position |
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| 14 | !! dstnce : compute distance between face mesh and floats |
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| 15 | !!---------------------------------------------------------------------- |
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| 16 | USE oce ! ocean dynamics and tracers |
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| 17 | USE dom_oce ! ocean space and time domain |
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[16] | 18 | USE flo_oce ! ocean drifting floats |
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| 19 | USE in_out_manager ! I/O manager |
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[3] | 20 | USE lib_mpp ! distribued memory computing library |
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| 21 | |
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| 22 | IMPLICIT NONE |
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[2528] | 23 | PRIVATE |
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[3] | 24 | |
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[2528] | 25 | PUBLIC flo_dom ! routine called by floats.F90 |
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[3] | 26 | |
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| 27 | !! * Substitutions |
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| 28 | # include "domzgr_substitute.h90" |
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| 29 | !!---------------------------------------------------------------------- |
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[2528] | 30 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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[1152] | 31 | !! $Id$ |
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[2528] | 32 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[3] | 33 | !!---------------------------------------------------------------------- |
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| 34 | CONTAINS |
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| 35 | |
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| 36 | SUBROUTINE flo_dom |
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| 37 | !! --------------------------------------------------------------------- |
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| 38 | !! *** ROUTINE flo_dom *** |
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| 39 | !! |
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| 40 | !! ** Purpose : Initialisation of floats |
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| 41 | !! |
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| 42 | !! ** Method : We put the floats in the domain with the latitude, |
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[2528] | 43 | !! the longitude (degree) and the depth (m). |
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[3] | 44 | !!---------------------------------------------------------------------- |
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[2839] | 45 | CHARACTER (len=21) :: clname ! floats initialisation filename |
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| 46 | LOGICAL :: llinmesh |
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| 47 | INTEGER :: ji, jj, jk ! DO loop index on 3 directions |
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| 48 | INTEGER :: jfl, jfl1 ! number of floats |
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| 49 | INTEGER :: inum ! logical unit for file read |
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| 50 | INTEGER :: jtrash ! trash var for reading |
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| 51 | INTEGER :: ierr |
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[2528] | 52 | INTEGER, DIMENSION(jpnfl) :: iimfl, ijmfl, ikmfl ! index mesh of floats |
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| 53 | INTEGER, DIMENSION(jpnfl) :: idomfl, ivtest, ihtest ! - - |
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| 54 | REAL(wp) :: zdxab, zdyad |
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| 55 | REAL(wp), DIMENSION(jpnnewflo+1) :: zgifl, zgjfl, zgkfl |
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[3] | 56 | !!--------------------------------------------------------------------- |
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| 57 | |
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| 58 | ! Initialisation with the geographical position or restart |
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| 59 | |
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| 60 | IF(lwp) WRITE(numout,*) 'flo_dom : compute initial position of floats' |
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| 61 | IF(lwp) WRITE(numout,*) '~~~~~~~~' |
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| 62 | IF(lwp) WRITE(numout,*) ' jpnfl = ',jpnfl |
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| 63 | |
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[16] | 64 | IF(ln_rstflo) THEN |
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[3] | 65 | IF(lwp) WRITE(numout,*) ' float restart file read' |
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| 66 | |
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| 67 | ! open the restart file |
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[1581] | 68 | CALL ctl_opn( inum, 'restart_float', 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp ) |
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[3] | 69 | |
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| 70 | ! read of the restart file |
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[2839] | 71 | READ(inum,*) ( tpifl (jfl), jfl=1, jpnrstflo), & |
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[16] | 72 | ( tpjfl (jfl), jfl=1, jpnrstflo), & |
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| 73 | ( tpkfl (jfl), jfl=1, jpnrstflo), & |
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| 74 | ( nisobfl(jfl), jfl=1, jpnrstflo), & |
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| 75 | ( ngrpfl (jfl), jfl=1, jpnrstflo) |
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[3] | 76 | CLOSE(inum) |
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| 77 | |
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| 78 | ! if we want a surface drift ( like PROVOR floats ) |
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| 79 | IF( ln_argo ) THEN |
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[16] | 80 | DO jfl = 1, jpnrstflo |
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[3] | 81 | nisobfl(jfl) = 0 |
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| 82 | END DO |
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| 83 | ENDIF |
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| 84 | |
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| 85 | IF(lwp) WRITE(numout,*)' flo_dom: END of florstlec' |
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| 86 | |
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| 87 | ! It is possible to add new floats. |
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[16] | 88 | IF(lwp) WRITE(numout,*)' flo_dom:jpnfl jpnrstflo ',jpnfl,jpnrstflo |
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| 89 | IF( jpnfl > jpnrstflo ) THEN |
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[3] | 90 | ! open the init file |
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[1581] | 91 | CALL ctl_opn( inum, 'init_float', 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp ) |
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[16] | 92 | DO jfl = jpnrstflo+1, jpnfl |
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[3] | 93 | READ(inum,*) flxx(jfl),flyy(jfl),flzz(jfl), nisobfl(jfl),ngrpfl(jfl),jfl1 |
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| 94 | END DO |
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| 95 | CLOSE(inum) |
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| 96 | IF(lwp) WRITE(numout,*)' flodom: END reading init_float file' |
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| 97 | |
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| 98 | ! Test to find the grid point coordonate with the geographical position |
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[16] | 99 | DO jfl = jpnrstflo+1, jpnfl |
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[3] | 100 | ihtest(jfl) = 0 |
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| 101 | ivtest(jfl) = 0 |
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| 102 | ikmfl(jfl) = 0 |
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[2528] | 103 | # if defined key_mpp_mpi |
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[3] | 104 | DO ji = MAX(nldi,2), nlei |
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[1694] | 105 | DO jj = MAX(nldj,2), nlej ! NO vector opt. |
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[3] | 106 | # else |
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| 107 | DO ji = 2, jpi |
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[1694] | 108 | DO jj = 2, jpj ! NO vector opt. |
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[3] | 109 | # endif |
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| 110 | ! For each float we find the indexes of the mesh |
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| 111 | CALL findmesh(glamf(ji-1,jj-1),gphif(ji-1,jj-1), & |
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| 112 | glamf(ji-1,jj ),gphif(ji-1,jj ), & |
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| 113 | glamf(ji ,jj ),gphif(ji ,jj ), & |
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| 114 | glamf(ji ,jj-1),gphif(ji ,jj-1), & |
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| 115 | flxx(jfl) ,flyy(jfl) , & |
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| 116 | glamt(ji ,jj ),gphit(ji ,jj ), llinmesh) |
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| 117 | IF(llinmesh) THEN |
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| 118 | iimfl(jfl) = ji |
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| 119 | ijmfl(jfl) = jj |
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| 120 | ihtest(jfl) = ihtest(jfl)+1 |
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| 121 | DO jk = 1, jpk-1 |
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| 122 | IF( (fsdepw(ji,jj,jk) <= flzz(jfl)) .AND. (fsdepw(ji,jj,jk+1) > flzz(jfl)) ) THEN |
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| 123 | ikmfl(jfl) = jk |
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| 124 | ivtest(jfl) = ivtest(jfl) + 1 |
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| 125 | ENDIF |
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| 126 | END DO |
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| 127 | ENDIF |
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| 128 | END DO |
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| 129 | END DO |
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| 130 | IF(lwp) WRITE(numout,*)' flo_dom: END findmesh' |
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| 131 | |
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| 132 | ! If the float is in a mesh computed by an other processor we put iimfl=ijmfl=-1 |
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| 133 | IF( ihtest(jfl) == 0 ) THEN |
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| 134 | iimfl(jfl) = -1 |
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| 135 | ijmfl(jfl) = -1 |
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| 136 | ENDIF |
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| 137 | END DO |
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| 138 | |
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| 139 | ! A zero in the sum of the arrays "ihtest" and "ivtest" |
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[2528] | 140 | # if defined key_mpp_mpi |
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[16] | 141 | CALL mpp_sum(ihtest,jpnfl) |
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| 142 | CALL mpp_sum(ivtest,jpnfl) |
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[3] | 143 | # endif |
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[16] | 144 | DO jfl = jpnrstflo+1, jpnfl |
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[3] | 145 | IF( (ihtest(jfl) > 1 ) .OR. ( ivtest(jfl) > 1) ) THEN |
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| 146 | IF(lwp) WRITE(numout,*) 'THE FLOAT',jfl,' IS NOT IN ONLY ONE MESH' |
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| 147 | STOP |
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| 148 | ENDIF |
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| 149 | IF( (ihtest(jfl) == 0) ) THEN |
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| 150 | IF(lwp) WRITE(numout,*)'THE FLOAT',jfl,' IS IN NO MESH' |
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| 151 | STOP |
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| 152 | ENDIF |
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| 153 | END DO |
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| 154 | |
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| 155 | ! We compute the distance between the float and the face of the mesh |
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[16] | 156 | DO jfl = jpnrstflo+1, jpnfl |
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[3] | 157 | ! Made only if the float is in the domain of the processor |
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| 158 | IF( (iimfl(jfl) >= 0) .AND. (ijmfl(jfl) >= 0) ) THEN |
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| 159 | |
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| 160 | ! TEST TO KNOW IF THE FLOAT IS NOT INITIALISED IN THE COAST |
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| 161 | |
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| 162 | idomfl(jfl) = 0 |
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| 163 | IF( tmask(iimfl(jfl),ijmfl(jfl),ikmfl(jfl)) == 0. ) idomfl(jfl) = 1 |
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| 164 | |
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| 165 | ! Computation of the distance between the float and the faces of the mesh |
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| 166 | ! zdxab |
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| 167 | ! . |
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| 168 | ! B----.---------C |
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| 169 | ! | . | |
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| 170 | ! |<------>flo | |
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| 171 | ! | ^ | |
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| 172 | ! | |.....|....zdyad |
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| 173 | ! | | | |
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| 174 | ! A--------|-----D |
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| 175 | ! |
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| 176 | |
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[283] | 177 | zdxab = dstnce( flxx(jfl), flyy(jfl), glamf(iimfl(jfl)-1,ijmfl(jfl)-1), flyy(jfl) ) |
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| 178 | zdyad = dstnce( flxx(jfl), flyy(jfl), flxx(jfl), gphif(iimfl(jfl)-1,ijmfl(jfl)-1) ) |
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[3] | 179 | |
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| 180 | ! Translation of this distances (in meter) in indexes |
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| 181 | |
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[16] | 182 | zgifl(jfl-jpnrstflo)= (iimfl(jfl)-0.5) + zdxab/e1u(iimfl(jfl)-1,ijmfl(jfl)) + (mig(1)-jpizoom) |
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| 183 | zgjfl(jfl-jpnrstflo)= (ijmfl(jfl)-0.5) + zdyad/e2v(iimfl(jfl),ijmfl(jfl)-1) + (mjg(1)-jpjzoom) |
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[283] | 184 | zgkfl(jfl-jpnrstflo) = (( fsdepw(iimfl(jfl),ijmfl(jfl),ikmfl(jfl)+1) - flzz(jfl) )* ikmfl(jfl)) & |
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| 185 | & / ( fsdepw(iimfl(jfl),ijmfl(jfl),ikmfl(jfl)+1) & |
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| 186 | & - fsdepw(iimfl(jfl),ijmfl(jfl),ikmfl(jfl) ) ) & |
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| 187 | & + (( flzz(jfl)-fsdepw(iimfl(jfl),ijmfl(jfl),ikmfl(jfl)) ) *(ikmfl(jfl)+1)) & |
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| 188 | & / ( fsdepw(iimfl(jfl),ijmfl(jfl),ikmfl(jfl)+1) & |
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| 189 | & - fsdepw(iimfl(jfl),ijmfl(jfl),ikmfl(jfl)) ) |
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[3] | 190 | ELSE |
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[283] | 191 | zgifl(jfl-jpnrstflo) = 0.e0 |
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| 192 | zgjfl(jfl-jpnrstflo) = 0.e0 |
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| 193 | zgkfl(jfl-jpnrstflo) = 0.e0 |
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[3] | 194 | ENDIF |
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| 195 | END DO |
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| 196 | |
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| 197 | ! The sum of all the arrays zgifl, zgjfl, zgkfl give 3 arrays with the positions of all the floats. |
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[16] | 198 | IF( lk_mpp ) THEN |
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| 199 | CALL mpp_sum( zgjfl, jpnnewflo ) ! sums over the global domain |
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| 200 | CALL mpp_sum( zgkfl, jpnnewflo ) |
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| 201 | IF(lwp) WRITE(numout,*) (zgifl(jfl),jfl=1,jpnnewflo) |
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| 202 | IF(lwp) WRITE(numout,*) (zgjfl(jfl),jfl=1,jpnnewflo) |
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| 203 | IF(lwp) WRITE(numout,*) (zgkfl(jfl),jfl=1,jpnnewflo) |
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| 204 | ENDIF |
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[3] | 205 | |
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[16] | 206 | DO jfl = jpnrstflo+1, jpnfl |
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| 207 | tpifl(jfl) = zgifl(jfl-jpnrstflo) |
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| 208 | tpjfl(jfl) = zgjfl(jfl-jpnrstflo) |
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| 209 | tpkfl(jfl) = zgkfl(jfl-jpnrstflo) |
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[3] | 210 | END DO |
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| 211 | ENDIF |
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| 212 | ELSE |
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[2839] | 213 | |
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| 214 | IF( ln_ariane )THEN |
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| 215 | |
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| 216 | IF(lwp) WRITE(numout,*) ' init_float read with ariane convention (mesh indexes)' |
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| 217 | |
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| 218 | ! First initialisation of floats with ariane convention |
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| 219 | ! |
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| 220 | ! The indexes are read directly from file (warning ariane |
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| 221 | ! convention, are refered to |
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| 222 | ! U,V,W grids - and not T-) |
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| 223 | ! The isobar advection is managed with the sign of tpkfl ( >0 -> 3D |
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| 224 | ! advection, <0 -> 2D) |
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| 225 | ! Some variables are not read, as - gl : time index; 4th |
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| 226 | ! column |
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| 227 | ! - transport : transport ; 5th |
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| 228 | ! column |
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| 229 | ! and paste in the jtrash var |
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| 230 | ! At the end, ones need to replace the indexes on T grid |
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| 231 | ! RMQ : there is no float groups identification ! |
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| 232 | |
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| 233 | clname='init_float_ariane' |
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| 234 | |
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| 235 | nisobfl = 1 ! we assume that by default we want 3D advection |
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| 236 | |
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| 237 | ! we check that the number of floats in the init_file are consistant |
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| 238 | ! with the namelist |
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| 239 | IF( lwp ) THEN |
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| 240 | jfl1=0 |
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| 241 | OPEN( unit=inum, file=clname,status='old',access='sequential',form='formatted') |
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| 242 | DO WHILE (ierr .GE. 0) |
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| 243 | jfl1=jfl1+1 |
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| 244 | READ (inum,*, iostat=ierr) |
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| 245 | END DO |
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| 246 | CLOSE(inum) |
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| 247 | IF( (jfl1-1) .NE. jpnfl )THEN |
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| 248 | WRITE (numout,*) ' STOP the number of floats in' ,clname,' = ',jfl1 |
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| 249 | WRITE (numout,*) ' is not equal to jfl= ',jpnfl |
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| 250 | STOP |
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| 251 | ENDIF |
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| 252 | ENDIF |
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| 253 | |
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| 254 | ! we get the init values |
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| 255 | CALL ctl_opn( inum, clname, 'OLD', 'FORMATTED', 'SEQUENTIAL', & |
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| 256 | & 1, numout, .TRUE., 1 ) |
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| 257 | DO jfl = 1, jpnfl |
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| 258 | READ(inum,*) tpifl(jfl),tpjfl(jfl),tpkfl(jfl),jtrash, jtrash |
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| 259 | if(lwp)write(numout,*)"read : ",tpifl(jfl),tpjfl(jfl),tpkfl(jfl),jtrash, jtrash ; call flush(numout) |
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| 260 | |
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| 261 | IF ( tpkfl(jfl) .LT. 0. ) nisobfl(jfl) = 0 !set the 2D advection according to init_float |
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| 262 | ngrpfl(jfl)=jfl |
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| 263 | END DO |
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| 264 | |
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| 265 | ! conversion from ariane index to T grid index |
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| 266 | tpkfl = abs(tpkfl)-0.5 ! reversed vertical axis |
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| 267 | tpifl = tpifl+0.5 |
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| 268 | tpjfl = tpjfl+0.5 |
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| 269 | |
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| 270 | ! verif of non land point initialisation : no need if correct init |
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| 271 | |
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| 272 | ELSE |
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| 273 | IF(lwp) WRITE(numout,*) ' init_float read ' |
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[3] | 274 | |
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[2839] | 275 | ! First initialisation of floats |
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| 276 | ! the initials positions of floats are written in a file |
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| 277 | ! with a variable to know if it is a isobar float a number |
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| 278 | ! to identified who want the trajectories of this float and |
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| 279 | ! an index for the number of the float |
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| 280 | ! open the init file |
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| 281 | CALL ctl_opn( inum, 'init_float', 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp ) |
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| 282 | READ(inum,*) (flxx(jfl) , jfl=1, jpnfl), & |
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| 283 | (flyy(jfl) , jfl=1, jpnfl), & |
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| 284 | (flzz(jfl) , jfl=1, jpnfl), & |
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| 285 | (nisobfl(jfl), jfl=1, jpnfl), & |
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| 286 | (ngrpfl(jfl) , jfl=1, jpnfl) |
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| 287 | CLOSE(inum) |
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[3] | 288 | |
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[2839] | 289 | ! Test to find the grid point coordonate with the geographical position |
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| 290 | DO jfl = 1, jpnfl |
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| 291 | ihtest(jfl) = 0 |
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| 292 | ivtest(jfl) = 0 |
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| 293 | ikmfl(jfl) = 0 |
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[2528] | 294 | # if defined key_mpp_mpi |
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[2839] | 295 | DO ji = MAX(nldi,2), nlei |
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| 296 | DO jj = MAX(nldj,2), nlej ! NO vector opt. |
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| 297 | # else |
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| 298 | DO ji = 2, jpi |
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| 299 | DO jj = 2, jpj ! NO vector opt. |
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[3] | 300 | # endif |
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[2839] | 301 | ! for each float we find the indexes of the mesh |
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[3] | 302 | |
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[2839] | 303 | CALL findmesh(glamf(ji-1,jj-1),gphif(ji-1,jj-1), & |
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| 304 | glamf(ji-1,jj ),gphif(ji-1,jj ), & |
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| 305 | glamf(ji ,jj ),gphif(ji ,jj ), & |
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| 306 | glamf(ji ,jj-1),gphif(ji ,jj-1), & |
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| 307 | flxx(jfl) ,flyy(jfl) , & |
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| 308 | glamt(ji ,jj ),gphit(ji ,jj ), llinmesh) |
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| 309 | IF(llinmesh) THEN |
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| 310 | iimfl(jfl) = ji |
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| 311 | ijmfl(jfl) = jj |
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| 312 | ihtest(jfl) = ihtest(jfl)+1 |
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| 313 | DO jk = 1, jpk-1 |
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| 314 | IF( (fsdepw(ji,jj,jk) <= flzz(jfl)) .AND. (fsdepw(ji,jj,jk+1) > flzz(jfl)) ) THEN |
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| 315 | ikmfl(jfl) = jk |
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| 316 | ivtest(jfl) = ivtest(jfl) + 1 |
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| 317 | ENDIF |
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| 318 | END DO |
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| 319 | ENDIF |
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| 320 | END DO |
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[3] | 321 | END DO |
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[2839] | 322 | |
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| 323 | ! If the float is in a mesh computed by an other processor we put iimfl=ijmfl=-1 |
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| 324 | IF( ihtest(jfl) == 0 ) THEN |
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| 325 | iimfl(jfl) = -1 |
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| 326 | ijmfl(jfl) = -1 |
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| 327 | ENDIF |
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[3] | 328 | END DO |
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| 329 | |
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[2839] | 330 | ! A zero in the sum of the arrays "ihtest" and "ivtest" |
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| 331 | IF( lk_mpp ) CALL mpp_sum(ihtest,jpnfl) ! sums over the global domain |
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| 332 | IF( lk_mpp ) CALL mpp_sum(ivtest,jpnfl) |
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[3] | 333 | |
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[2839] | 334 | DO jfl = 1, jpnfl |
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| 335 | IF( (ihtest(jfl) > 1 ) .OR. ( ivtest(jfl) > 1 )) THEN |
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| 336 | IF(lwp) WRITE(numout,*) 'THE FLOAT',jfl,' IS NOT IN ONLY ONE MESH' |
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| 337 | ENDIF |
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| 338 | IF( ihtest(jfl) == 0 ) THEN |
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| 339 | IF(lwp) WRITE(numout,*)'THE FLOAT',jfl,' IS IN NO MESH' |
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| 340 | ENDIF |
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| 341 | END DO |
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[3] | 342 | |
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[2839] | 343 | ! We compute the distance between the float and the face of the mesh |
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| 344 | DO jfl = 1, jpnfl |
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| 345 | ! Made only if the float is in the domain of the processor |
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| 346 | IF( (iimfl(jfl) >= 0 ) .AND. ( ijmfl(jfl) >= 0 ) ) THEN |
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[3] | 347 | |
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[2839] | 348 | ! TEST TO KNOW IF THE FLOAT IS NOT INITIALISED IN THE COAST |
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[3] | 349 | |
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[2839] | 350 | idomfl(jfl) = 0 |
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| 351 | IF( tmask(iimfl(jfl),ijmfl(jfl),ikmfl(jfl)) == 0. ) idomfl(jfl)=1 |
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[3] | 352 | |
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[2839] | 353 | ! Computation of the distance between the float |
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| 354 | ! and the faces of the mesh |
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| 355 | ! zdxab |
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| 356 | ! . |
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| 357 | ! B----.---------C |
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| 358 | ! | . | |
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| 359 | ! |<------>flo | |
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| 360 | ! | ^ | |
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| 361 | ! | |.....|....zdyad |
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| 362 | ! | | | |
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| 363 | ! A--------|-----D |
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[3] | 364 | |
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[2839] | 365 | zdxab = dstnce(flxx(jfl),flyy(jfl),glamf(iimfl(jfl)-1,ijmfl(jfl)-1),flyy(jfl)) |
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| 366 | zdyad = dstnce(flxx(jfl),flyy(jfl),flxx(jfl),gphif(iimfl(jfl)-1,ijmfl(jfl)-1)) |
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[3] | 367 | |
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[2839] | 368 | ! Translation of this distances (in meter) in indexes |
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[3] | 369 | |
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[2839] | 370 | tpifl(jfl) = (iimfl(jfl)-0.5)+zdxab/ e1u(iimfl(jfl)-1,ijmfl(jfl))+(mig(1)-jpizoom) |
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| 371 | tpjfl(jfl) = (ijmfl(jfl)-0.5)+zdyad/ e2v(iimfl(jfl),ijmfl(jfl)-1)+(mjg(1)-jpjzoom) |
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| 372 | tpkfl(jfl) = (fsdepw(iimfl(jfl),ijmfl(jfl),ikmfl(jfl)+1) - flzz(jfl))*(ikmfl(jfl)) & |
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| 373 | / (fsdepw(iimfl(jfl),ijmfl(jfl),ikmfl(jfl)+1) - fsdepw(iimfl(jfl),ijmfl(jfl),ikmfl(jfl))) & |
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| 374 | + (flzz(jfl) - fsdepw(iimfl(jfl),ijmfl(jfl),ikmfl(jfl)))*(ikmfl(jfl)+1) & |
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| 375 | / (fsdepw(iimfl(jfl),ijmfl(jfl),ikmfl(jfl)+1) - fsdepw(iimfl(jfl),ijmfl(jfl),ikmfl(jfl))) |
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| 376 | ELSE |
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| 377 | tpifl (jfl) = 0.e0 |
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| 378 | tpjfl (jfl) = 0.e0 |
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| 379 | tpkfl (jfl) = 0.e0 |
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| 380 | idomfl(jfl) = 0 |
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| 381 | ENDIF |
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| 382 | END DO |
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[3] | 383 | |
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[2839] | 384 | ! The sum of all the arrays tpifl, tpjfl, tpkfl give 3 arrays with the positions of all the floats. |
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| 385 | IF( lk_mpp ) CALL mpp_sum( tpifl , jpnfl ) ! sums over the global domain |
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| 386 | IF( lk_mpp ) CALL mpp_sum( tpjfl , jpnfl ) |
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| 387 | IF( lk_mpp ) CALL mpp_sum( tpkfl , jpnfl ) |
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| 388 | IF( lk_mpp ) CALL mpp_sum( idomfl, jpnfl ) |
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| 389 | ENDIF |
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| 390 | |
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[3] | 391 | ENDIF |
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| 392 | |
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| 393 | ! Print the initial positions of the floats |
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[16] | 394 | IF( .NOT. ln_rstflo ) THEN |
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[3] | 395 | ! WARNING : initial position not in the sea |
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| 396 | DO jfl = 1, jpnfl |
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| 397 | IF( idomfl(jfl) == 1 ) THEN |
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| 398 | IF(lwp) WRITE(numout,*)'*****************************' |
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| 399 | IF(lwp) WRITE(numout,*)'!!!!!!! WARNING !!!!!!!!!!' |
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| 400 | IF(lwp) WRITE(numout,*)'*****************************' |
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| 401 | IF(lwp) WRITE(numout,*)'The float number',jfl,'is out of the sea.' |
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| 402 | IF(lwp) WRITE(numout,*)'geographical position',flxx(jfl),flyy(jfl),flzz(jfl) |
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| 403 | IF(lwp) WRITE(numout,*)'index position',tpifl(jfl),tpjfl(jfl),tpkfl(jfl) |
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| 404 | ENDIF |
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| 405 | END DO |
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| 406 | ENDIF |
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| 407 | |
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| 408 | END SUBROUTINE flo_dom |
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| 409 | |
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| 410 | |
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| 411 | SUBROUTINE findmesh( pax, pay, pbx, pby, & |
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| 412 | pcx, pcy, pdx, pdy, & |
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| 413 | px ,py ,ptx, pty, ldinmesh ) |
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| 414 | !! ------------------------------------------------------------- |
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| 415 | !! *** ROUTINE findmesh *** |
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| 416 | !! |
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| 417 | !! ** Purpose : Find the index of mesh for the point spx spy |
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| 418 | !! |
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| 419 | !! ** Method : |
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| 420 | !!---------------------------------------------------------------------- |
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| 421 | REAL(wp) :: & |
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| 422 | pax, pay, pbx, pby, & ! ??? |
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| 423 | pcx, pcy, pdx, pdy, & ! ??? |
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| 424 | px, py, & ! longitude and latitude |
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| 425 | ptx, pty ! ??? |
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| 426 | LOGICAL :: ldinmesh ! ??? |
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[2528] | 427 | !! |
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| 428 | REAL(wp) :: zabt, zbct, zcdt, zdat, zabpt, zbcpt, zcdpt, zdapt |
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[3] | 429 | !!--------------------------------------------------------------------- |
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[2528] | 430 | !! Statement function |
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| 431 | REAL(wp) :: fsline |
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| 432 | REAL(wp) :: psax, psay, psbx, psby, psx, psy |
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| 433 | fsline( psax, psay, psbx, psby, psx, psy ) = psy * ( psbx - psax ) & |
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| 434 | & - psx * ( psby - psay ) & |
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| 435 | & + psax * psby - psay * psbx |
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| 436 | !!--------------------------------------------------------------------- |
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[3] | 437 | |
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| 438 | ! 4 semi plane defined by the 4 points and including the T point |
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| 439 | zabt = fsline(pax,pay,pbx,pby,ptx,pty) |
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| 440 | zbct = fsline(pbx,pby,pcx,pcy,ptx,pty) |
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| 441 | zcdt = fsline(pcx,pcy,pdx,pdy,ptx,pty) |
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| 442 | zdat = fsline(pdx,pdy,pax,pay,ptx,pty) |
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| 443 | |
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| 444 | ! 4 semi plane defined by the 4 points and including the extrememity |
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| 445 | zabpt = fsline(pax,pay,pbx,pby,px,py) |
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| 446 | zbcpt = fsline(pbx,pby,pcx,pcy,px,py) |
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| 447 | zcdpt = fsline(pcx,pcy,pdx,pdy,px,py) |
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| 448 | zdapt = fsline(pdx,pdy,pax,pay,px,py) |
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| 449 | |
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| 450 | ! We compare the semi plane T with the semi plane including the point |
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| 451 | ! to know if it is in this mesh. |
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| 452 | ! For numerical reasons it is possible that for a point which is on |
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| 453 | ! the line we don't have exactly zero with fsline function. We want |
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| 454 | ! that a point can't be in 2 mesh in the same time, so we put the |
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| 455 | ! coefficient to zero if it is smaller than 1.E-12 |
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| 456 | |
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| 457 | IF( ABS(zabpt) <= 1.E-12 ) zabpt = 0. |
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| 458 | IF( ABS(zbcpt) <= 1.E-12 ) zbcpt = 0. |
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| 459 | IF( ABS(zcdpt) <= 1.E-12 ) zcdpt = 0. |
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| 460 | IF( ABS(zdapt) <= 1.E-12 ) zdapt = 0. |
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| 461 | IF( (zabt*zabpt > 0.) .AND. (zbct*zbcpt >= 0. ) .AND. ( zcdt*zcdpt >= 0. ) .AND. ( zdat*zdapt > 0. ) & |
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| 462 | .AND. ( px <= MAX(pcx,pdx) ) .AND. ( px >= MIN(pax,pbx) ) & |
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| 463 | .AND. ( py <= MAX(pby,pcy) ) .AND. ( py >= MIN(pay,pdy) ) ) THEN |
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| 464 | ldinmesh=.TRUE. |
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| 465 | ELSE |
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| 466 | ldinmesh=.FALSE. |
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| 467 | ENDIF |
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[2528] | 468 | ! |
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[3] | 469 | END SUBROUTINE findmesh |
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| 470 | |
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| 471 | |
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| 472 | FUNCTION dstnce( pla1, phi1, pla2, phi2 ) |
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| 473 | !! ------------------------------------------------------------- |
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| 474 | !! *** Function dstnce *** |
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| 475 | !! |
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| 476 | !! ** Purpose : returns distance (in m) between two geographical |
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| 477 | !! points |
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| 478 | !! ** Method : |
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| 479 | !!---------------------------------------------------------------------- |
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| 480 | REAL(wp), INTENT(in) :: pla1, phi1, pla2, phi2 ! ??? |
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[2528] | 481 | !! |
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[3] | 482 | REAL(wp) :: dly1, dly2, dlx1, dlx2, dlx, dls, dld, dpi |
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| 483 | REAL(wp) :: dstnce |
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| 484 | !!--------------------------------------------------------------------- |
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[2528] | 485 | ! |
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[3] | 486 | dpi = 2.* ASIN(1.) |
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| 487 | dls = dpi / 180. |
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| 488 | dly1 = phi1 * dls |
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| 489 | dly2 = phi2 * dls |
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| 490 | dlx1 = pla1 * dls |
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| 491 | dlx2 = pla2 * dls |
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[2528] | 492 | ! |
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[3] | 493 | dlx = SIN(dly1) * SIN(dly2) + COS(dly1) * COS(dly2) * COS(dlx2-dlx1) |
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[2528] | 494 | ! |
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[3] | 495 | IF( ABS(dlx) > 1.0 ) dlx = 1.0 |
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[2528] | 496 | ! |
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[3] | 497 | dld = ATAN(DSQRT( ( 1-dlx )/( 1+dlx ) )) * 222.24 / dls |
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| 498 | dstnce = dld * 1000. |
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[2528] | 499 | ! |
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[3] | 500 | END FUNCTION dstnce |
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| 501 | |
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| 502 | # else |
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| 503 | !!---------------------------------------------------------------------- |
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| 504 | !! Default option Empty module |
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| 505 | !!---------------------------------------------------------------------- |
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| 506 | CONTAINS |
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| 507 | SUBROUTINE flo_dom ! Empty routine |
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| 508 | END SUBROUTINE flo_dom |
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| 509 | #endif |
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| 510 | |
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| 511 | !!====================================================================== |
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| 512 | END MODULE flodom |
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