1 | MODULE trcnam_idtra |
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2 | !!====================================================================== |
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3 | !! *** MODULE trcnam_idtra *** |
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4 | !! TOP : initialisation of some run parameters for IDEAL-TRACER chemical model |
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5 | !!====================================================================== |
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6 | !! History : 2.0 ! 2007-12 (C. Ethe, G. Madec) from trcnam.idtra.h90 |
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7 | !!---------------------------------------------------------------------- |
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8 | #if defined key_idtra |
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9 | !!---------------------------------------------------------------------- |
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10 | !! 'key_idtra' IDEAL-TRACER tracers |
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11 | !!---------------------------------------------------------------------- |
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12 | !! trc_nam_idtra : IDEAL-TRACER model initialisation |
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13 | !!---------------------------------------------------------------------- |
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14 | USE oce_trc ! Ocean variables |
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15 | USE par_trc ! TOP parameters |
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16 | USE trc ! TOP variables |
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17 | USE trcsms_idtra ! IDEAL-TRACER specific variable |
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18 | USE iom ! I/O manager |
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19 | |
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20 | IMPLICIT NONE |
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21 | PRIVATE |
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22 | |
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23 | PUBLIC trc_nam_idtra ! called by trcnam.F90 module |
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24 | |
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25 | !!---------------------------------------------------------------------- |
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26 | !! NEMO/TOP 2.0 , LOCEAN-IPSL (2007) |
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27 | !! $Id$ |
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28 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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29 | !!---------------------------------------------------------------------- |
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30 | |
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31 | CONTAINS |
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32 | |
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33 | SUBROUTINE trc_nam_idtra |
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34 | !!------------------------------------------------------------------- |
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35 | !! *** ROUTINE trc_nam_idtra *** |
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36 | !! |
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37 | !! ** Purpose : Definition some run parameter for IDEAL-TRACER model |
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38 | !! |
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39 | !! ** Method : Read the namidtra namelist and check the parameter |
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40 | !! values called at the first timestep (nit000) |
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41 | !! |
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42 | !! ** input : Namelist namidtra |
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43 | !!---------------------------------------------------------------------- |
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44 | INTEGER :: numnatm_ref = -1 ! Logical unit for reference ID-TRA namelist |
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45 | INTEGER :: numnatm_cfg = -1 ! Logical unit for configuration ID-TRA namelist |
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46 | INTEGER :: numonc = -1 ! Logical unit for output namelist |
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47 | INTEGER :: ios ! Local integer output status for namelist read |
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48 | REAL(wp) :: tmp_decay !! Years ; half time decay of our idealize tracer |
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49 | REAL(wp) :: TDECyr, TDEC |
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50 | !! ---------------------------------------------------------------- |
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51 | NAMELIST/namidtra/tmp_decay |
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52 | !!%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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53 | !! Jpalm -- 4-11-2014 |
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54 | !! namelist for idealize tracer |
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55 | !! only thing in namelist is the chosen half time decay |
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56 | !! no atmospheric conditions, cause we do impose a surface concentration of 1, |
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57 | !! and no additionnal diagnostics, |
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58 | !! because the only thing we are interested in is the water mass concentration on this tracer. |
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59 | !!%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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60 | IF(lwp) WRITE(numout,*) |
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61 | IF(lwp) WRITE(numout,*) ' trc_nam_idtra: read IDEAL-TRACER namelist' |
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62 | IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~~~~' |
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63 | !! |
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64 | !! Open the namelist file : |
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65 | !!~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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66 | CALL ctl_opn( numnatm_ref, 'namelist_idtra_ref', 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, numout, .FALSE. ) |
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67 | CALL ctl_opn( numnatm_cfg, 'namelist_idtra_cfg', 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, numout, .FALSE. ) |
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68 | IF(lwm) CALL ctl_opn( numonc, 'output.namelist.idtra', 'UNKNOWN', 'FORMATTED', 'SEQUENTIAL', -1, numout, .FALSE. ) |
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69 | !! Read the namelists : |
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70 | !!~~~~~~~~~~~~~~~~~~~~~~~ |
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71 | !! First namelist of our idealize tracer : |
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72 | !! read the decay 1/2 time of our tracer, to define in the namelist. |
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73 | !! tmp_decay = 1y ; 10y ; 100y or 1000y depending of which water mass you want to track |
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74 | !!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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75 | |
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76 | REWIND( numnatm_ref ) ! Namelist namidtra in reference namelist : IDTRA parameters |
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77 | READ ( numnatm_ref, namidtra, IOSTAT = ios, ERR = 901) |
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78 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namidtra in reference namelist', lwp ) |
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79 | |
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80 | REWIND( numnatm_cfg ) ! Namelist namidtra in configuration namelist : IDTRA parameters |
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81 | READ ( numnatm_cfg, namidtra, IOSTAT = ios, ERR = 902 ) |
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82 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namidtra in configuration namelist', lwp ) |
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83 | IF(lwm) WRITE ( numonc, namidtra ) |
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84 | |
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85 | IF(lwp) WRITE(numout,*) ' - half time decay of our idealize tracer : ', tmp_decay |
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86 | |
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87 | ! decroissance radioactive du traceur ideal |
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88 | ! --------------------------------------- |
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89 | ! TDECyr = 12.43/LOG(2.) !! Tricium as example |
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90 | TDECyr = tmp_decay/LOG(2.) !! Idealise tracer -- with tmp_decay given in the idtracer namelist |
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91 | TDEC = TDECyr*365.*24.*60.*60. !! translate in second |
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92 | FDEC = EXP( -rdt/TDEC ) |
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93 | |
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94 | |
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95 | !! #if defined key_trc_diaadd && ! defined key_iomput |
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96 | !! |
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97 | !! -Here you can add tracers names to be read |
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98 | !! in a namelist. |
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99 | !! -But this is not necessary with the iomput module |
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100 | !! cause names are written in the Iodef file. |
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101 | !!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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102 | |
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103 | !! #endif |
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104 | |
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105 | END SUBROUTINE trc_nam_idtra |
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106 | |
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107 | #else |
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108 | !!---------------------------------------------------------------------- |
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109 | !! Dummy module : No IDEAL-TRACER |
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110 | !!---------------------------------------------------------------------- |
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111 | CONTAINS |
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112 | SUBROUTINE trc_nam_idtra ! Empty routine |
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113 | END SUBROUTINE trc_nam_idtra |
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114 | #endif |
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115 | |
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116 | !!====================================================================== |
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117 | END MODULE trcnam_idtra |
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123 | |
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