1 | MODULE floats |
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2 | !!====================================================================== |
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3 | !! *** MODULE floats *** |
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4 | !! Ocean floats : floats |
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5 | !!====================================================================== |
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6 | !! History : OPA ! (CLIPPER) original Code |
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7 | !! NEMO 1.0 ! 2002-06 (A. Bozec) F90, Free form and module |
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8 | !!---------------------------------------------------------------------- |
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9 | !! |
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10 | !!---------------------------------------------------------------------- |
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11 | !! flo_stp : float trajectories computation |
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12 | !! flo_init : initialization of float trajectories computation |
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13 | !!---------------------------------------------------------------------- |
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14 | USE oce ! ocean variables |
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15 | USE flo_oce ! floats variables |
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16 | USE lib_mpp ! distributed memory computing |
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17 | USE flodom ! initialisation Module |
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18 | USE flowri ! float output (flo_wri routine) |
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19 | USE florst ! float restart (flo_rst routine) |
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20 | USE flo4rk ! Trajectories, Runge Kutta scheme (flo_4rk routine) |
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21 | USE floblk ! Trajectories, Blanke scheme (flo_blk routine) |
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22 | ! |
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23 | USE in_out_manager ! I/O manager |
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24 | USE timing ! preformance summary |
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25 | |
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26 | IMPLICIT NONE |
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27 | PRIVATE |
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28 | |
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29 | PUBLIC flo_stp ! routine called by step.F90 |
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30 | PUBLIC flo_init ! routine called by nemogcm.F90 |
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31 | |
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32 | !!---------------------------------------------------------------------- |
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33 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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34 | !! $Id$ |
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35 | !! Software governed by the CeCILL license (see ./LICENSE) |
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36 | !!---------------------------------------------------------------------- |
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37 | CONTAINS |
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38 | |
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39 | SUBROUTINE flo_stp( kt ) |
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40 | !!---------------------------------------------------------------------- |
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41 | !! *** ROUTINE flo_stp *** |
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42 | !! |
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43 | !! ** Purpose : Compute the geographical position (lat., long., depth) |
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44 | !! of each float at each time step with one of the algorithm. |
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45 | !! |
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46 | !! ** Method : The position of a float is computed with Bruno Blanke |
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47 | !! algorithm by default and with a 4th order Runge-Kutta scheme |
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48 | !! if ln_flork4 =T |
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49 | !!---------------------------------------------------------------------- |
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50 | INTEGER, INTENT( in ) :: kt ! ocean time step |
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51 | !!---------------------------------------------------------------------- |
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52 | ! |
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53 | IF( ln_timing ) CALL timing_start('flo_stp') |
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54 | ! |
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55 | IF( ln_flork4 ) THEN ; CALL flo_4rk( kt ) ! Trajectories using a 4th order Runge Kutta scheme |
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56 | ELSE ; CALL flo_blk( kt ) ! Trajectories using Blanke' algorithme |
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57 | ENDIF |
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58 | ! |
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59 | IF( lk_mpp ) CALL mppsync ! synchronization of all the processor |
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60 | ! |
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61 | CALL flo_wri( kt ) ! trajectories ouput |
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62 | ! |
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63 | CALL flo_rst( kt ) ! trajectories restart |
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64 | ! |
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65 | wb(:,:,:) = wn(:,:,:) ! Save the old vertical velocity field |
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66 | ! |
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67 | IF( ln_timing ) CALL timing_stop('flo_stp') |
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68 | ! |
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69 | END SUBROUTINE flo_stp |
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70 | |
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71 | |
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72 | SUBROUTINE flo_init |
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73 | !!---------------------------------------------------------------- |
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74 | !! *** ROUTINE flo_init *** |
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75 | !! |
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76 | !! ** Purpose : Read the namelist of floats |
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77 | !!---------------------------------------------------------------------- |
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78 | INTEGER :: jfl |
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79 | INTEGER :: ios ! Local integer output status for namelist read |
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80 | ! |
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81 | NAMELIST/namflo/ ln_floats, jpnfl, jpnnewflo, ln_rstflo, nn_writefl, nn_stockfl, ln_argo, ln_flork4, ln_ariane, ln_flo_ascii |
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82 | !!--------------------------------------------------------------------- |
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83 | ! |
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84 | IF(lwp) WRITE(numout,*) |
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85 | IF(lwp) WRITE(numout,*) 'flo_stp : call floats routine ' |
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86 | IF(lwp) WRITE(numout,*) '~~~~~~~' |
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87 | |
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88 | REWIND( numnam_ref ) ! Namelist namflo in reference namelist : Floats |
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89 | READ ( numnam_ref, namflo, IOSTAT = ios, ERR = 901) |
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90 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namflo in reference namelist' ) |
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91 | |
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92 | REWIND( numnam_cfg ) ! Namelist namflo in configuration namelist : Floats |
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93 | READ ( numnam_cfg, namflo, IOSTAT = ios, ERR = 902 ) |
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94 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namflo in configuration namelist' ) |
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95 | IF(lwm) WRITE ( numond, namflo ) |
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96 | ! |
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97 | IF(lwp) THEN ! control print |
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98 | WRITE(numout,*) |
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99 | WRITE(numout,*) ' Namelist floats :' |
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100 | WRITE(numout,*) ' Activate floats or not ln_floats = ', ln_floats |
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101 | WRITE(numout,*) ' number of floats jpnfl = ', jpnfl |
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102 | WRITE(numout,*) ' number of new floats jpnflnewflo = ', jpnnewflo |
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103 | WRITE(numout,*) ' restart ln_rstflo = ', ln_rstflo |
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104 | WRITE(numout,*) ' frequency of float output file nn_writefl = ', nn_writefl |
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105 | WRITE(numout,*) ' frequency of float restart file nn_stockfl = ', nn_stockfl |
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106 | WRITE(numout,*) ' Argo type floats ln_argo = ', ln_argo |
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107 | WRITE(numout,*) ' Computation of T trajectories ln_flork4 = ', ln_flork4 |
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108 | WRITE(numout,*) ' Use of ariane convention ln_ariane = ', ln_ariane |
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109 | WRITE(numout,*) ' ascii output (T) or netcdf output (F) ln_flo_ascii = ', ln_flo_ascii |
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110 | |
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111 | ENDIF |
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112 | ! |
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113 | IF( ln_floats ) THEN |
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114 | ! ! allocate floats arrays |
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115 | IF( flo_oce_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'flo_init : unable to allocate arrays' ) |
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116 | ! |
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117 | ! ! allocate flodom arrays |
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118 | IF( flo_dom_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'flo_dom : unable to allocate arrays' ) |
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119 | ! |
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120 | ! ! allocate flowri arrays |
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121 | IF( flo_wri_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'flo_wri : unable to allocate arrays' ) |
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122 | ! |
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123 | ! ! allocate florst arrays |
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124 | IF( flo_rst_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'flo_rst : unable to allocate arrays' ) |
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125 | ! |
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126 | jpnrstflo = jpnfl-jpnnewflo ! memory allocation |
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127 | ! |
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128 | DO jfl = 1, jpnfl ! vertical axe for netcdf IOM ouput |
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129 | nfloat(jfl) = jfl |
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130 | END DO |
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131 | ! |
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132 | CALL flo_dom ! compute/read initial position of floats |
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133 | ! |
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134 | wb(:,:,:) = wn(:,:,:) ! set wb for computation of floats trajectories at the first time step |
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135 | ! |
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136 | ENDIF |
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137 | ! |
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138 | END SUBROUTINE flo_init |
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139 | |
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140 | !!====================================================================== |
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141 | END MODULE floats |
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