1 | MODULE isf |
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2 | !!====================================================================== |
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3 | !! *** MODULE sbcisf *** |
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4 | !! Surface module : compute iceshelf melt and heat flux |
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5 | !!====================================================================== |
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6 | !! History : 3.2 ! 2011-02 (C.Harris ) Original code isf cav |
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7 | !! X.X ! 2006-02 (C. Wang ) Original code bg03 |
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8 | !! 3.4 ! 2013-03 (P. Mathiot) Merging + parametrization |
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9 | !! 4.1 ! 2019-09 (P. Mathiot) Split param/explicit ice shelf and re-organisation |
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10 | !!---------------------------------------------------------------------- |
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11 | |
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12 | !!---------------------------------------------------------------------- |
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13 | !! isf : define and allocate ice shelf variables |
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14 | !!---------------------------------------------------------------------- |
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15 | |
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16 | USE in_out_manager ! I/O manager |
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17 | USE lib_mpp ! MPP library |
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18 | USE fldread ! read input fields |
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19 | |
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20 | IMPLICIT NONE |
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21 | |
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22 | PRIVATE |
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23 | |
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24 | PUBLIC isf_alloc, isf_alloc_par, isf_alloc_cav, isf_alloc_cpl |
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25 | ! |
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26 | !------------------------------------------------------- |
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27 | ! 0 : namelist parameter |
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28 | !------------------------------------------------------- |
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29 | ! |
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30 | ! 0.1 -------- ice shelf cavity parameter -------------- |
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31 | CHARACTER(LEN=256), PUBLIC :: cn_isfdir |
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32 | CHARACTER(LEN=256), PUBLIC :: cn_isfload !: ice shelf load computation method |
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33 | ! |
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34 | ! 0.2 -------- ice shelf cavity melt namelist parameter ------------- |
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35 | LOGICAL , PUBLIC :: ln_isfcav_mlt !: logical for the use of ice shelf parametrisation |
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36 | REAL(wp) , PUBLIC :: rn_gammat0 !: temperature exchange coeficient [] |
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37 | REAL(wp) , PUBLIC :: rn_gammas0 !: salinity exchange coeficient [] |
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38 | REAL(wp) , PUBLIC :: rn_htbl !: Losch top boundary layer thickness [m] |
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39 | CHARACTER(LEN=256), PUBLIC :: cn_gammablk !: gamma formulation |
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40 | CHARACTER(LEN=256), PUBLIC :: cn_isfcav_mlt !: melt formulation (cavity/param) |
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41 | TYPE(FLD_N) , PUBLIC :: sn_isfcav_fwf !: information about the isf melting file to be read |
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42 | ! |
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43 | ! 0.3 -------- ice shelf param. melt namelist parameter ------------- |
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44 | LOGICAL , PUBLIC :: ln_isfpar_mlt !: logical for the computation of melt inside the cavity |
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45 | CHARACTER(LEN=256), PUBLIC :: cn_isfpar_mlt !: melt formulation (cavity/param) |
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46 | TYPE(FLD_N) , PUBLIC :: sn_isfpar_fwf !: information about the isf melting file to be read |
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47 | TYPE(FLD_N) , PUBLIC :: sn_isfpar_zmax !: information about the grounding line depth file to be read |
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48 | TYPE(FLD_N) , PUBLIC :: sn_isfpar_zmin !: information about the calving line depth file to be read |
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49 | TYPE(FLD_N) , PUBLIC :: sn_isfpar_Leff !: information about the effective length file to be read |
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50 | ! |
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51 | ! 0.4 -------- coupling namelist parameter ------------- |
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52 | LOGICAL, PUBLIC :: ln_isfcpl !: |
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53 | LOGICAL, PUBLIC :: ln_isfcpl_cons !: |
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54 | INTEGER, PUBLIC :: nn_drown !: |
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55 | ! |
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56 | !------------------------------------------------------- |
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57 | ! 1 : ice shelf parameter |
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58 | !------------------------------------------------------- |
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59 | ! |
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60 | REAL(wp), PARAMETER, PUBLIC :: rLfusisf = 0.334e6_wp !: latent heat of fusion of ice shelf [J/kg] |
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61 | REAL(wp), PARAMETER, PUBLIC :: rcpisf = 2000.0_wp !: specific heat of ice shelf [J/kg/K] |
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62 | REAL(wp), PARAMETER, PUBLIC :: rkappa = 1.54e-6_wp !: heat diffusivity through the ice-shelf [m2/s] |
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63 | REAL(wp), PARAMETER, PUBLIC :: rhoisf = 920.0_wp !: volumic mass of ice shelf [kg/m3] |
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64 | REAL(wp), PARAMETER, PUBLIC :: rtsurf = -20.0 !: surface temperature [C] |
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65 | ! |
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66 | !------------------------------------------------------- |
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67 | ! 2 : ice shelf global variables |
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68 | !------------------------------------------------------- |
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69 | ! |
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70 | ! 0.1 -------- ice shelf cavity parameter -------------- |
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71 | LOGICAL , PUBLIC :: l_isfoasis |
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72 | REAL(wp), PUBLIC :: r1_Lfusisf !: 1/rLfusisf |
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73 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: risfload !: ice shelf load |
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74 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: fwfisf_oasis |
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75 | ! |
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76 | ! 0.2 -------- ice shelf cavity melt namelist parameter ------------- |
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77 | INTEGER , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: mskisf_cav !: |
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78 | INTEGER , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: misfkt_cav , misfkb_cav !: |
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79 | REAL(wp) , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rhisf_tbl_cav, rfrac_tbl_cav !: |
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80 | REAL(wp) , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: fwfisf_cav , fwfisf_cav_b !: before and now net fwf from the ice shelf [kg/m2/s] |
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81 | REAL(wp) , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: risf_cav_tsc , risf_cav_tsc_b !: before and now T & S isf contents [K.m/s & PSU.m/s] |
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82 | TYPE(FLD), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: sf_isfcav_fwf !: |
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83 | ! |
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84 | REAL(wp) , PUBLIC :: risf_lamb1, risf_lamb2, risf_lamb3 ! freezing point linearization coeficient |
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85 | ! |
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86 | ! 0.3 -------- ice shelf param. melt namelist parameter ------------- |
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87 | INTEGER , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: mskisf_par !: |
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88 | INTEGER , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: misfkt_par , misfkb_par !: |
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89 | REAL(wp) , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rhisf_tbl_par, rfrac_tbl_par !: |
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90 | REAL(wp) , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: fwfisf_par , fwfisf_par_b !: before and now net fwf from the ice shelf [kg/m2/s] |
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91 | REAL(wp) , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: risf_par_tsc , risf_par_tsc_b !: before and now T & S isf contents [K.m/s & PSU.m/s] |
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92 | TYPE(FLD), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: sf_isfpar_fwf !: |
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93 | ! |
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94 | REAL(wp) , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rhisf0_tbl_par !: thickness of tbl (initial value) [m] |
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95 | REAL(wp) , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: risfLeff !: |
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96 | ! |
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97 | ! 0.4 -------- coupling namelist parameter ------------- |
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98 | LOGICAL , PUBLIC :: ll_isfcpl !: |
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99 | LOGICAL , PUBLIC :: ll_isfcpl_cons !: |
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100 | INTEGER , PUBLIC :: nstp_iscpl !: |
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101 | REAL(wp), PUBLIC :: rdt_iscpl !: |
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102 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: risfcpl_vol, risfcpl_cons_vol !: |
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103 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: risfcpl_tsc, risfcpl_cons_tsc !: |
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104 | ! |
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105 | !!---------------------------------------------------------------------- |
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106 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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107 | !! $Id: sbcisf.F90 10536 2019-01-16 19:21:09Z mathiot $ |
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108 | !! Software governed by the CeCILL license (see ./LICENSE) |
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109 | !!---------------------------------------------------------------------- |
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110 | CONTAINS |
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111 | |
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112 | SUBROUTINE isf_alloc_par() |
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113 | !!--------------------------------------------------------------------- |
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114 | !! *** ROUTINE isf_alloc_par *** |
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115 | !! |
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116 | !! ** Purpose : |
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117 | !! |
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118 | !! ** Method : |
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119 | !! |
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120 | !!---------------------------------------------------------------------- |
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121 | INTEGER :: ierr, ialloc |
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122 | !!---------------------------------------------------------------------- |
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123 | ierr = 0 ! set to zero if no array to be allocated |
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124 | ! |
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125 | ALLOCATE(risfLeff(jpi,jpj), STAT=ialloc) |
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126 | ierr = ierr + ialloc |
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127 | ! |
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128 | ALLOCATE(misfkt_par(jpi,jpj), misfkb_par(jpi,jpj), STAT=ialloc ) |
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129 | ierr = ierr + ialloc |
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130 | ! |
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131 | ALLOCATE( rfrac_tbl_par(jpi,jpj), STAT=ialloc) |
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132 | ierr = ierr + ialloc |
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133 | ! |
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134 | ALLOCATE( rhisf_tbl_par(jpi,jpj), rhisf0_tbl_par(jpi,jpj), STAT=ialloc) |
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135 | ierr = ierr + ialloc |
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136 | ! |
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137 | ALLOCATE( mskisf_par(jpi,jpj), STAT=ialloc) |
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138 | ierr = ierr + ialloc |
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139 | ! |
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140 | CALL mpp_sum ( 'isf', ierr ) |
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141 | IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'isf: failed to allocate arrays.' ) |
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142 | ! |
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143 | END SUBROUTINE isf_alloc_par |
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144 | |
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145 | SUBROUTINE isf_alloc_cav() |
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146 | !!--------------------------------------------------------------------- |
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147 | !! *** ROUTINE isf_alloc_cav *** |
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148 | !! |
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149 | !! ** Purpose : |
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150 | !! |
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151 | !! ** Method : |
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152 | !! |
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153 | !!---------------------------------------------------------------------- |
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154 | INTEGER :: ierr, ialloc |
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155 | !!---------------------------------------------------------------------- |
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156 | ierr = 0 ! set to zero if no array to be allocated |
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157 | ! |
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158 | ALLOCATE(misfkt_cav(jpi,jpj), misfkb_cav(jpi,jpj), STAT=ialloc ) |
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159 | ierr = ierr + ialloc |
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160 | ! |
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161 | ALLOCATE( rfrac_tbl_cav(jpi,jpj), STAT=ialloc) |
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162 | ierr = ierr + ialloc |
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163 | ! |
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164 | ALLOCATE( rhisf_tbl_cav(jpi,jpj), STAT=ialloc) |
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165 | ierr = ierr + ialloc |
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166 | ! |
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167 | CALL mpp_sum ( 'isf', ierr ) |
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168 | IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'isf: failed to allocate arrays.' ) |
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169 | ! |
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170 | END SUBROUTINE isf_alloc_cav |
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171 | |
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172 | SUBROUTINE isf_alloc_cpl() |
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173 | !!--------------------------------------------------------------------- |
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174 | !! *** ROUTINE isf_alloc_cpl *** |
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175 | !! |
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176 | !! ** Purpose : |
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177 | !! |
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178 | !! ** Method : |
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179 | !! |
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180 | !!---------------------------------------------------------------------- |
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181 | INTEGER :: ierr, ialloc |
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182 | !!---------------------------------------------------------------------- |
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183 | ierr = 0 |
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184 | ! |
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185 | ALLOCATE( risfcpl_tsc(jpi,jpj,jpk,jpts) , risfcpl_vol(jpi,jpj,jpk) , & |
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186 | & risfcpl_cons_tsc(jpi,jpj,jpk,jpts) , risfcpl_cons_vol(jpi,jpj,jpk) , STAT=ialloc ) |
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187 | ierr = ierr + ialloc |
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188 | ! |
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189 | CALL mpp_sum ( 'isf', ierr ) |
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190 | IF( ierr /= 0 ) CALL ctl_warn('STOP','isfcpl: failed to allocate arrays.') |
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191 | ! |
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192 | END SUBROUTINE isf_alloc_cpl |
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193 | |
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194 | SUBROUTINE isf_alloc() |
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195 | !!--------------------------------------------------------------------- |
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196 | !! *** ROUTINE isf_alloc *** |
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197 | !! |
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198 | !! ** Purpose : |
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199 | !! |
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200 | !! ** Method : |
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201 | !! |
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202 | !!---------------------------------------------------------------------- |
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203 | INTEGER :: ierr, ialloc |
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204 | !!---------------------------------------------------------------------- |
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205 | ! |
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206 | ierr = 0 ! set to zero if no array to be allocated |
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207 | ! |
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208 | ALLOCATE(fwfisf_par(jpi,jpj) , fwfisf_par_b(jpi,jpj), & |
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209 | & fwfisf_cav(jpi,jpj) , fwfisf_cav_b(jpi,jpj), & |
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210 | & fwfisf_oasis(jpi,jpj), STAT=ialloc ) |
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211 | ierr = ierr + ialloc |
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212 | ! |
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213 | ALLOCATE(risf_par_tsc(jpi,jpj,jpts), risf_par_tsc_b(jpi,jpj,jpts), STAT=ialloc ) |
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214 | ierr = ierr + ialloc |
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215 | ! |
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216 | ALLOCATE(risf_cav_tsc(jpi,jpj,jpts), risf_cav_tsc_b(jpi,jpj,jpts), STAT=ialloc ) |
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217 | ierr = ierr + ialloc |
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218 | ! |
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219 | ALLOCATE(risfload(jpi,jpj), STAT=ialloc) |
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220 | ierr = ierr + ialloc |
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221 | ! |
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222 | ALLOCATE( mskisf_cav(jpi,jpj), STAT=ialloc) |
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223 | ierr = ierr + ialloc |
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224 | ! |
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225 | CALL mpp_sum ( 'isf', ierr ) |
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226 | IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'isf: failed to allocate arrays.' ) |
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227 | |
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228 | END SUBROUTINE isf_alloc |
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229 | |
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230 | END MODULE isf |
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