1 | MODULE sbcssm |
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2 | !!====================================================================== |
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3 | !! *** MODULE sbcssm *** |
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4 | !! Off-line : interpolation of the physical fields |
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5 | !!====================================================================== |
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6 | !! History : |
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7 | !! NEMO 3.4 ! 2012-03 First version by S. Alderson |
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8 | !! ! Heavily derived from Christian's dtadyn routine |
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9 | !! ! in OFF_SRC |
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10 | !!---------------------------------------------------------------------- |
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11 | |
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12 | !!---------------------------------------------------------------------- |
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13 | !! sbc_ssm_init : initialization, namelist read, and SAVEs control |
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14 | !! sbc_ssm : Interpolation of the fields |
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15 | !!---------------------------------------------------------------------- |
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16 | USE oce ! ocean dynamics and tracers variables |
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17 | USE c1d ! 1D configuration: lk_c1d |
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18 | USE dom_oce ! ocean domain: variables |
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19 | USE zdf_oce ! ocean vertical physics: variables |
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20 | USE sbc_oce ! surface module: variables |
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21 | USE phycst ! physical constants |
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22 | USE eosbn2 ! equation of state - Brunt Vaisala frequency |
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23 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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24 | USE zpshde ! z-coord. with partial steps: horizontal derivatives |
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25 | USE in_out_manager ! I/O manager |
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26 | USE iom ! I/O library |
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27 | USE lib_mpp ! distributed memory computing library |
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28 | USE prtctl ! print control |
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29 | USE fldread ! read input fields |
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30 | USE timing ! Timing |
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31 | |
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32 | IMPLICIT NONE |
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33 | PRIVATE |
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34 | |
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35 | PUBLIC sbc_ssm_init ! called by sbc_init |
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36 | PUBLIC sbc_ssm ! called by sbc |
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37 | |
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38 | CHARACTER(len=100) :: cn_dir = './' !: Root directory for location of ssm files |
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39 | LOGICAL :: ln_3d_uv = .true. !: specify whether input velocity data is 3D |
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40 | INTEGER , SAVE :: nfld_3d |
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41 | INTEGER , SAVE :: nfld_2d |
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42 | |
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43 | INTEGER , PARAMETER :: jpfld_3d = 4 ! maximum number of files to read |
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44 | INTEGER , PARAMETER :: jpfld_2d = 1 ! maximum number of files to read |
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45 | INTEGER , SAVE :: jf_tem ! index of temperature |
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46 | INTEGER , SAVE :: jf_sal ! index of salinity |
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47 | INTEGER , SAVE :: jf_usp ! index of u velocity component |
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48 | INTEGER , SAVE :: jf_vsp ! index of v velocity component |
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49 | INTEGER , SAVE :: jf_ssh ! index of sea surface height |
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50 | |
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51 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_ssm_3d ! structure of input fields (file information, fields read) |
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52 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_ssm_2d ! structure of input fields (file information, fields read) |
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53 | |
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54 | !! * Substitutions |
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55 | # include "domzgr_substitute.h90" |
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56 | # include "vectopt_loop_substitute.h90" |
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57 | !!---------------------------------------------------------------------- |
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58 | !! NEMO/OFF 3.3 , NEMO Consortium (2010) |
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59 | !! $Id: sbcssm.F90 3294 2012-01-28 16:44:18Z rblod $ |
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60 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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61 | !!---------------------------------------------------------------------- |
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62 | CONTAINS |
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63 | |
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64 | SUBROUTINE sbc_ssm( kt ) |
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65 | !!---------------------------------------------------------------------- |
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66 | !! *** ROUTINE sbc_ssm *** |
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67 | !! |
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68 | !! ** Purpose : Prepares dynamics and physics fields from a NEMO run |
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69 | !! for an off-line simulation using surface processes only |
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70 | !! |
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71 | !! ** Method : calculates the position of data |
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72 | !! - interpolates data if needed |
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73 | !!---------------------------------------------------------------------- |
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74 | ! |
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75 | INTEGER, INTENT(in) :: kt ! ocean time-step index |
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76 | ! |
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77 | INTEGER :: ji, jj ! dummy loop indices |
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78 | REAL(wp) :: ztinta ! ratio applied to after records when doing time interpolation |
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79 | REAL(wp) :: ztintb ! ratio applied to before records when doing time interpolation |
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80 | !!---------------------------------------------------------------------- |
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81 | |
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82 | ! |
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83 | IF (kt == nn_it000 ) CALL sbc_ssm_init() |
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84 | |
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85 | IF( nn_timing == 1 ) CALL timing_start( 'sbc_ssm') |
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86 | |
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87 | IF( nfld_3d > 0 ) CALL fld_read( kt, 1, sf_ssm_3d ) !== read data at kt time step ==! |
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88 | IF( nfld_2d > 0 ) CALL fld_read( kt, 1, sf_ssm_2d ) !== read data at kt time step ==! |
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89 | ! |
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90 | IF( ln_3d_uv ) THEN |
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91 | ssu_m(:,:) = sf_ssm_3d(jf_usp)%fnow(:,:,1) * umask(:,:,1) ! u-velocity |
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92 | ssv_m(:,:) = sf_ssm_3d(jf_vsp)%fnow(:,:,1) * vmask(:,:,1) ! v-velocity |
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93 | ELSE |
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94 | ssu_m(:,:) = sf_ssm_2d(jf_usp)%fnow(:,:,1) * umask(:,:,1) ! u-velocity |
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95 | ssv_m(:,:) = sf_ssm_2d(jf_vsp)%fnow(:,:,1) * vmask(:,:,1) ! v-velocity |
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96 | ENDIF |
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97 | ! |
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98 | sst_m(:,:) = sf_ssm_2d(jf_tem)%fnow(:,:,1) * tmask(:,:,1) ! temperature |
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99 | sss_m(:,:) = sf_ssm_2d(jf_sal)%fnow(:,:,1) * tmask(:,:,1) ! salinity |
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100 | ssh_m(:,:) = sf_ssm_2d(jf_ssh)%fnow(:,:,1) * tmask(:,:,1) ! sea surface height |
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101 | ! |
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102 | tsn(:,:,1,jp_tem) = sst_m(:,:) |
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103 | tsn(:,:,1,jp_sal) = sss_m(:,:) |
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104 | ! Next two initialisation are required for sbcice_if (only) |
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105 | tsb(:,:,1,jp_tem) = sst_m(:,:) |
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106 | tsb(:,:,1,jp_sal) = sss_m(:,:) |
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107 | |
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108 | ub (:,:,1 ) = ssu_m(:,:) |
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109 | vb (:,:,1 ) = ssv_m(:,:) |
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110 | |
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111 | IF(ln_ctl) THEN ! print control |
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112 | CALL prt_ctl(tab2d_1=sst_m, clinfo1=' sst_m - : ', mask1=tmask, ovlap=1 ) |
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113 | CALL prt_ctl(tab2d_1=sss_m, clinfo1=' sss_m - : ', mask1=tmask, ovlap=1 ) |
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114 | CALL prt_ctl(tab2d_1=ssu_m, clinfo1=' ssu_m - : ', mask1=umask, ovlap=1 ) |
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115 | CALL prt_ctl(tab2d_1=ssv_m, clinfo1=' ssv_m - : ', mask1=vmask, ovlap=1 ) |
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116 | CALL prt_ctl(tab2d_1=ssh_m, clinfo1=' ssh_m - : ', mask1=tmask, ovlap=1 ) |
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117 | ENDIF |
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118 | ! |
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119 | IF( nn_timing == 1 ) CALL timing_stop( 'sbc_ssm') |
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120 | ! |
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121 | END SUBROUTINE sbc_ssm |
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122 | |
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123 | |
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124 | SUBROUTINE sbc_ssm_init |
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125 | !!---------------------------------------------------------------------- |
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126 | !! *** ROUTINE sbc_ssm_init *** |
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127 | !! |
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128 | !! ** Purpose : Initialisation of the dynamical data |
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129 | !! ** Method : - read the data namsbc_ssm namelist |
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130 | !! |
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131 | !! ** Action : - read parameters |
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132 | !!---------------------------------------------------------------------- |
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133 | INTEGER :: ierr, ierr0, ierr1, ierr2, ierr3 ! return error code |
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134 | INTEGER :: ifpr ! dummy loop indice |
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135 | INTEGER :: inum, idv, idimv, jpm ! local integer |
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136 | !! |
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137 | CHARACTER(len=100) :: cn_dir ! Root directory for location of core files |
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138 | TYPE(FLD_N), ALLOCATABLE, DIMENSION(:) :: slf_3d ! array of namelist information on the fields to read |
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139 | TYPE(FLD_N), ALLOCATABLE, DIMENSION(:) :: slf_2d ! array of namelist information on the fields to read |
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140 | TYPE(FLD_N) :: sn_tem, sn_sal ! information about the fields to be read |
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141 | TYPE(FLD_N) :: sn_usp, sn_vsp, sn_ssh |
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142 | ! |
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143 | NAMELIST/namsbc_sas/cn_dir, ln_3d_uv, sn_tem, sn_sal, sn_usp, sn_vsp, sn_ssh |
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144 | |
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145 | !!---------------------------------------------------------------------- |
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146 | ! ! ============ |
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147 | ! ! Namelist |
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148 | ! ! ============ |
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149 | ! (NB: frequency positive => hours, negative => months) |
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150 | ! ! file ! frequency ! variable ! time intep ! clim ! 'yearly' or ! weights ! rotation ! |
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151 | ! ! name ! (hours) ! name ! (T/F) ! (T/F) ! 'monthly' ! filename ! pairs ! |
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152 | sn_usp = FLD_N( 'ssm_grid_U' , 120 , 'vozocrtx' , .true. , .true. , 'yearly' , '' , '' ) |
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153 | sn_vsp = FLD_N( 'ssm_grid_V' , 120 , 'vomecrty' , .true. , .true. , 'yearly' , '' , '' ) |
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154 | sn_tem = FLD_N( 'ssm_grid_T' , 120 , 'sosstsst' , .true. , .true. , 'yearly' , '' , '' ) |
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155 | sn_sal = FLD_N( 'ssm_grid_T' , 120 , 'sosaline' , .true. , .true. , 'yearly' , '' , '' ) |
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156 | sn_ssh = FLD_N( 'ssm_grid_T' , 120 , 'sossheig' , .true. , .true. , 'yearly' , '' , '' ) |
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157 | ! |
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158 | REWIND( numnam ) ! read in namlist namsbc_ssm |
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159 | READ ( numnam, namsbc_sas ) |
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160 | ! ! store namelist information in an array |
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161 | ! ! Control print |
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162 | IF(lwp) THEN |
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163 | WRITE(numout,*) |
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164 | WRITE(numout,*) 'sbc_sas : standalone surface scheme ' |
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165 | WRITE(numout,*) '~~~~~~~~~~~ ' |
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166 | WRITE(numout,*) ' Namelist namsbc_sas' |
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167 | WRITE(numout,*) |
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168 | ENDIF |
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169 | |
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170 | ! |
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171 | !! switch off stuff that isn't sensible with a standalone module |
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172 | !! note that we need sbc_ssm called first in sbc |
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173 | ! |
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174 | IF( ln_cpl ) THEN |
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175 | IF( lwp ) WRITE(numout,*) 'Coupled mode not sensible with StandAlone Surface scheme' |
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176 | ln_cpl = .FALSE. |
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177 | ENDIF |
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178 | IF( ln_apr_dyn ) THEN |
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179 | IF( lwp ) WRITE(numout,*) 'No atmospheric gradient needed with StandAlone Surface scheme' |
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180 | ln_apr_dyn = .FALSE. |
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181 | ENDIF |
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182 | IF( ln_dm2dc ) THEN |
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183 | IF( lwp ) WRITE(numout,*) 'No diurnal cycle needed with StandAlone Surface scheme' |
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184 | ln_dm2dc = .FALSE. |
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185 | ENDIF |
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186 | IF( ln_rnf ) THEN |
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187 | IF( lwp ) WRITE(numout,*) 'No runoff needed with StandAlone Surface scheme' |
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188 | ln_rnf = .FALSE. |
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189 | ENDIF |
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190 | IF( ln_ssr ) THEN |
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191 | IF( lwp ) WRITE(numout,*) 'No surface relaxation needed with StandAlone Surface scheme' |
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192 | ln_ssr = .FALSE. |
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193 | ENDIF |
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194 | IF( nn_fwb > 0 ) THEN |
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195 | IF( lwp ) WRITE(numout,*) 'No freshwater budget adjustment needed with StandAlone Surface scheme' |
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196 | nn_fwb = 0 |
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197 | ENDIF |
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198 | IF( nn_closea > 0 ) THEN |
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199 | IF( lwp ) WRITE(numout,*) 'No closed seas adjustment needed with StandAlone Surface scheme' |
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200 | nn_closea = 0 |
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201 | ENDIF |
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202 | |
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203 | ! |
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204 | !! following code is a bit messy, but distinguishes between when u,v are 3d arrays and |
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205 | !! when we have other 3d arrays that we need to read in |
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206 | !! so if a new field is added i.e. jf_new, just give it the next integer in sequence |
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207 | !! for the corresponding dimension (currently if ln_3d_uv is true, 4 for 2d and 3 for 3d, |
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208 | !! alternatively if ln_3d_uv is false, 6 for 2d and 1 for 3d), reset nfld_3d, nfld_2d, |
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209 | !! and the rest of the logic should still work |
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210 | ! |
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211 | jf_tem = 1 ; jf_sal = 2 ; jf_ssh = 3 |
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212 | ! |
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213 | IF( ln_3d_uv ) THEN |
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214 | jf_usp = 1 ; jf_vsp = 2 |
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215 | nfld_3d = 2 |
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216 | nfld_2d = 3 |
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217 | ELSE |
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218 | jf_usp = 4 ; jf_vsp = 5 |
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219 | nfld_3d = 0 |
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220 | nfld_2d = 5 |
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221 | ENDIF |
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222 | |
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223 | IF( nfld_3d > 0 ) THEN |
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224 | ALLOCATE( slf_3d(nfld_3d), STAT=ierr ) ! set slf structure |
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225 | IF( ierr > 0 ) THEN |
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226 | CALL ctl_stop( 'sbc_ssm_init: unable to allocate slf 3d structure' ) ; RETURN |
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227 | ENDIF |
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228 | IF( ln_3d_uv ) THEN |
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229 | slf_3d(jf_usp) = sn_usp |
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230 | slf_3d(jf_vsp) = sn_vsp |
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231 | ENDIF |
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232 | ENDIF |
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233 | |
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234 | IF( nfld_2d > 0 ) THEN |
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235 | ALLOCATE( slf_2d(nfld_2d), STAT=ierr ) ! set slf structure |
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236 | IF( ierr > 0 ) THEN |
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237 | CALL ctl_stop( 'sbc_ssm_init: unable to allocate slf 2d structure' ) ; RETURN |
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238 | ENDIF |
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239 | slf_2d(jf_tem) = sn_tem ; slf_2d(jf_sal) = sn_sal ; slf_2d(jf_ssh) = sn_ssh |
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240 | IF( .NOT. ln_3d_uv ) THEN |
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241 | slf_2d(jf_usp) = sn_usp ; slf_2d(jf_vsp) = sn_vsp |
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242 | ENDIF |
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243 | ENDIF |
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244 | ! |
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245 | IF( nfld_3d > 0 ) THEN |
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246 | ALLOCATE( sf_ssm_3d(nfld_3d), STAT=ierr ) ! set sf structure |
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247 | IF( ierr > 0 ) THEN |
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248 | CALL ctl_stop( 'sbc_ssm_init: unable to allocate sf structure' ) ; RETURN |
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249 | ENDIF |
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250 | DO ifpr = 1, nfld_3d |
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251 | ALLOCATE( sf_ssm_3d(ifpr)%fnow(jpi,jpj,jpk) , STAT=ierr0 ) |
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252 | IF( slf_3d(ifpr)%ln_tint ) ALLOCATE( sf_ssm_3d(ifpr)%fdta(jpi,jpj,jpk,2) , STAT=ierr1 ) |
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253 | IF( ierr0 + ierr1 > 0 ) THEN |
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254 | CALL ctl_stop( 'sbc_ssm_init : unable to allocate sf_ssm_3d array structure' ) ; RETURN |
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255 | ENDIF |
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256 | END DO |
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257 | ! ! fill sf with slf_i and control print |
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258 | CALL fld_fill( sf_ssm_3d, slf_3d, cn_dir, 'sbc_ssm_init', '3D Data in file', 'namsbc_ssm' ) |
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259 | ENDIF |
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260 | |
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261 | IF( nfld_2d > 0 ) THEN |
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262 | ALLOCATE( sf_ssm_2d(nfld_2d), STAT=ierr ) ! set sf structure |
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263 | IF( ierr > 0 ) THEN |
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264 | CALL ctl_stop( 'sbc_ssm_init: unable to allocate sf 2d structure' ) ; RETURN |
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265 | ENDIF |
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266 | DO ifpr = 1, nfld_2d |
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267 | ALLOCATE( sf_ssm_2d(ifpr)%fnow(jpi,jpj,1) , STAT=ierr0 ) |
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268 | IF( slf_2d(ifpr)%ln_tint ) ALLOCATE( sf_ssm_2d(ifpr)%fdta(jpi,jpj,1,2) , STAT=ierr1 ) |
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269 | IF( ierr0 + ierr1 > 0 ) THEN |
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270 | CALL ctl_stop( 'sbc_ssm_init : unable to allocate sf_ssm_2d array structure' ) ; RETURN |
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271 | ENDIF |
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272 | END DO |
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273 | ! |
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274 | CALL fld_fill( sf_ssm_2d, slf_2d, cn_dir, 'sbc_ssm_init', '2D Data in file', 'namsbc_ssm' ) |
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275 | ENDIF |
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276 | ! |
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277 | ! lim code currently uses surface temperature and salinity in tsn array for initialisation |
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278 | ! and ub, vb arrays in ice dynamics |
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279 | ! so allocate enough of arrays to use |
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280 | ! |
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281 | jpm = MAX(jp_tem, jp_sal) |
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282 | ALLOCATE( tsn(jpi,jpj,1,jpm), STAT=ierr0 ) |
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283 | ALLOCATE( ub(jpi,jpj,1) , STAT=ierr1 ) |
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284 | ALLOCATE( vb(jpi,jpj,1) , STAT=ierr2 ) |
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285 | ! for sbcice_if, need to allocate array tsb |
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286 | ALLOCATE( tsb(jpi,jpj,1,jpm), STAT=ierr3 ) |
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287 | ierr = ierr0 + ierr1 + ierr2 + ierr3 |
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288 | IF( ierr > 0 ) THEN |
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289 | CALL ctl_stop('sbc_ssm_init: unable to allocate surface arrays') |
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290 | ENDIF |
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291 | ! |
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292 | ! finally tidy up |
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293 | |
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294 | IF( nfld_3d > 0 ) DEALLOCATE( slf_3d, STAT=ierr ) |
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295 | IF( nfld_2d > 0 ) DEALLOCATE( slf_2d, STAT=ierr ) |
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296 | ! |
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297 | END SUBROUTINE sbc_ssm_init |
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298 | |
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299 | !!====================================================================== |
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300 | END MODULE sbcssm |
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