1 | MODULE disvert_mod |
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2 | USE icosa |
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3 | REAL(rstd), SAVE, POINTER :: ap(:) |
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4 | !$OMP THREADPRIVATE(ap) |
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5 | REAL(rstd), SAVE, POINTER :: bp(:) |
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6 | !$OMP THREADPRIVATE(bp) |
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7 | REAL(rstd), SAVE, POINTER :: presnivs(:) |
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8 | !$OMP THREADPRIVATE(presnivs) |
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9 | REAL(rstd), SAVE, POINTER :: mass_al(:), mass_bl(:), mass_ak(:), mass_bk(:), mass_dak(:), mass_dbk(:) |
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10 | !$OMP THREADPRIVATE(mass_al, mass_bl, mass_ak, mass_bk, mass_dak, mass_dbk) |
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11 | |
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12 | REAL(rstd) :: ptop ! pressure at top of atmosphere l=llm+1 |
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13 | !$OMP THREADPRIVATE(ptop) |
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14 | ! vertical coordinate : Lagrangian or mass-based |
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15 | INTEGER, SAVE :: caldyn_eta |
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16 | !$OMP THREADPRIVATE(caldyn_eta) |
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17 | INTEGER, PARAMETER :: eta_mass=1, eta_lag=2 |
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18 | LOGICAL,SAVE :: ap_bp_present |
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19 | !$OMP THREADPRIVATE(ap_bp_present) |
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20 | |
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21 | CONTAINS |
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22 | |
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23 | SUBROUTINE init_disvert |
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24 | USE disvert_std_mod, ONLY: ap_std=>ap, bp_std=>bp, presnivs_std=>presnivs, init_disvert_std=>init_disvert |
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25 | USE disvert_apbp_mod, ONLY: ap_apbp=>ap, bp_apbp=>bp, presnivs_apbp=>presnivs, init_disvert_apbp=>init_disvert |
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26 | USE disvert_ncar_mod, ONLY: ap_ncar=>ap, bp_ncar=>bp, presnivs_ncar=>presnivs, init_disvert_ncar=>init_disvert |
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27 | USE disvert_ncarl30_mod, ONLY: ap_ncarl30=>ap, bp_ncarl30=>bp, presnivs_ncarl30=>presnivs, init_disvert_ncarl30=>init_disvert |
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28 | USE disvert_dcmip31_mod, ONLY: ap_dcmip31=>ap, bp_dcmip31=>bp, presnivs_dcmip31=>presnivs, init_disvert_dcmip31=>init_disvert |
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29 | USE disvert_dcmip200_mod, ONLY: ap_dcmip200=>ap, bp_dcmip200=>bp, presnivs_dcmip200=>presnivs, init_disvert_dcmip200=>init_disvert |
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30 | USE icosa |
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31 | USE mpipara |
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32 | IMPLICIT NONE |
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33 | CHARACTER(len=255) :: def |
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34 | INTEGER :: l |
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35 | |
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36 | def='eta_mass' |
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37 | CALL getin('caldyn_eta',def) |
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38 | SELECT CASE(TRIM(def)) |
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39 | CASE('eta_mass') |
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40 | caldyn_eta=eta_mass |
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41 | CASE('eta_lag') |
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42 | caldyn_eta=eta_lag |
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43 | CASE DEFAULT |
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44 | IF (is_mpi_root) PRINT *,'Bad selector for variable caldyn_eta : <', TRIM(def),'> options are <eta_mass>, <eta_lag>' |
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45 | STOP |
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46 | END SELECT |
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47 | IF (is_mpi_root) PRINT *, 'caldyn_eta=',TRIM(def), caldyn_eta, eta_lag, eta_mass |
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48 | |
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49 | def='std' |
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50 | ap_bp_present=.TRUE. |
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51 | CALL getin("disvert",def) |
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52 | |
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53 | SELECT CASE (TRIM(def)) |
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54 | CASE('none') |
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55 | IF(caldyn_eta/=eta_lag) THEN |
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56 | IF(is_mpi_root) PRINT *,'disvert_type=none must be used with caldyn_eta=eta_lag' |
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57 | STOP |
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58 | END IF |
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59 | ap_bp_present=.FALSE. |
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60 | CASE('std') |
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61 | |
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62 | CALL init_disvert_std |
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63 | ap=>ap_std |
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64 | bp=>bp_std |
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65 | presnivs=>presnivs_std |
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66 | |
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67 | CASE('read_apbp') |
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68 | |
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69 | CALL init_disvert_apbp |
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70 | ap=>ap_apbp |
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71 | bp=>bp_apbp |
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72 | presnivs=>presnivs_apbp |
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73 | |
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74 | CASE ('ncar') |
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75 | |
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76 | CALL init_disvert_ncar |
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77 | ap=>ap_ncar |
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78 | bp=>bp_ncar |
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79 | presnivs=>presnivs_ncar |
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80 | |
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81 | CASE ('dcmip31') |
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82 | |
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83 | CALL init_disvert_dcmip31 |
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84 | ap=>ap_dcmip31 |
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85 | bp=>bp_dcmip31 |
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86 | presnivs=>presnivs_dcmip31 |
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87 | |
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88 | CASE ('dcmip200') |
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89 | |
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90 | CALL init_disvert_dcmip200 |
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91 | ap=>ap_dcmip200 |
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92 | bp=>bp_dcmip200 |
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93 | presnivs=>presnivs_dcmip200 |
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94 | |
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95 | CASE ('ncarl30') |
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96 | |
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97 | CALL init_disvert_ncarl30 |
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98 | ap=>ap_ncarl30 |
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99 | bp=>bp_ncarl30 |
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100 | presnivs=>presnivs_ncarl30 |
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101 | CASE default |
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102 | IF (is_mpi_root) PRINT*,'Bad selector for variable disvert : <', TRIM(def),"> options are <std>, <ncar>, <ncarl30>" |
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103 | STOP |
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104 | |
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105 | END SELECT |
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106 | |
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107 | IF(ap_bp_present) THEN |
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108 | ! Convert from pressure coordinate to mass coordinate |
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109 | ! pk = ap(k) + bp(k)*ps(ij) = ptop + g*( mass_ak(k) + mass_bk(k)*ms(ij) ) |
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110 | ptop = ap(llm+1) |
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111 | ALLOCATE(mass_al(llm+1)) |
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112 | ALLOCATE(mass_bl(llm+1)) |
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113 | ALLOCATE(mass_ak(llm)) |
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114 | ALLOCATE(mass_bk(llm)) |
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115 | ALLOCATE(mass_dak(llm)) |
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116 | ALLOCATE(mass_dbk(llm)) |
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117 | |
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118 | ! FIXME : leave ps for the moment ; change ps to ms later |
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119 | DO l=1,llm+1 |
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120 | ! mass_al(l) = (ap(l)-ptop)/g |
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121 | ! mass_bl(l) = bp(l)/g |
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122 | mass_al(l) = (ap(l)-ptop) |
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123 | mass_bl(l) = bp(l) |
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124 | END DO |
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125 | DO l=1,llm |
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126 | mass_ak(l) = .5*(mass_al(l)+mass_al(l+1)) |
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127 | mass_bk(l) = .5*(mass_bl(l)+mass_bl(l+1)) |
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128 | mass_dak(l) = mass_al(l)-mass_al(l+1) ! >0 |
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129 | mass_dbk(l) = mass_bl(l)-mass_bl(l+1) ! >0 |
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130 | END DO |
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131 | END IF |
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132 | |
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133 | END SUBROUTINE init_disvert |
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134 | |
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135 | SUBROUTINE compute_rhodz(comp, ps, rhodz) |
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136 | USE icosa |
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137 | USE omp_para |
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138 | LOGICAL, INTENT(IN) :: comp ! .TRUE. to compute, .FALSE. to check |
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139 | REAL(rstd), INTENT(IN) :: ps(iim*jjm) |
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140 | REAL(rstd), INTENT(INOUT) :: rhodz(iim*jjm,llm) |
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141 | REAL(rstd) :: m, err |
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142 | INTEGER :: l,i,j,ij,dd |
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143 | err=0. |
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144 | |
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145 | IF(comp) THEN |
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146 | dd=1 |
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147 | ELSE |
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148 | dd=0 |
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149 | END IF |
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150 | |
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151 | DO l = ll_begin, ll_end |
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152 | DO j=jj_begin-dd,jj_end+dd |
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153 | DO i=ii_begin-dd,ii_end+dd |
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154 | ij=(j-1)*iim+i |
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155 | m = ( ap(l) - ap(l+1) + (bp(l)-bp(l+1))*ps(ij) )/g |
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156 | IF(comp) THEN |
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157 | rhodz(ij,l) = m |
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158 | ELSE |
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159 | err = MAX(err,abs(m-rhodz(ij,l))) |
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160 | END IF |
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161 | ENDDO |
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162 | ENDDO |
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163 | ENDDO |
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164 | |
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165 | IF(.NOT. comp) THEN |
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166 | IF(err>1e-10) THEN |
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167 | PRINT *, 'Discrepancy between ps and rhodz detected', err |
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168 | STOP |
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169 | ELSE |
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170 | ! PRINT *, 'No discrepancy between ps and rhodz detected' |
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171 | END IF |
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172 | END IF |
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173 | |
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174 | END SUBROUTINE compute_rhodz |
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175 | |
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176 | |
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177 | SUBROUTINE write_apbp |
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178 | USE icosa |
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179 | USE netcdf_mod |
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180 | IMPLICIT NONE |
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181 | REAL(rstd) :: val(llm) |
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182 | INTEGER :: status |
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183 | INTEGER :: lev,ilev |
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184 | INTEGER :: ncid,levid,ilevid,hyaiid,hybiid,hyamid,hybmid,P0id |
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185 | INTEGER :: l |
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186 | |
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187 | !$OMP BARRIER |
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188 | !$OMP MASTER |
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189 | status = NF90_CREATE('apbp.nc', NF90_CLOBBER, ncid) |
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190 | status = NF90_DEF_DIM(ncid,'lev',llm,lev) |
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191 | status = NF90_DEF_DIM(ncid,'ilev',llm+1,ilev) |
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192 | |
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193 | status = NF90_DEF_VAR(ncid,'lev',NF90_DOUBLE,(/ lev /),levid) |
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194 | status = NF90_PUT_ATT(ncid,levid,"long_name","hybrid level at midpoints (1000*(A+B))") |
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195 | status = NF90_PUT_ATT(ncid,levid,"units","Pa") |
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196 | status = NF90_PUT_ATT(ncid,levid,"positive","up") |
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197 | status = NF90_PUT_ATT(ncid,levid,"standard_name","atmosphere_hybrid_sigma_pressure_coordinate") |
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198 | status = NF90_PUT_ATT(ncid,levid,"formula_terms","a: hyam b: hybm p0: P0 ps: PS") |
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199 | |
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200 | status = NF90_DEF_VAR(ncid,'ilev',NF90_DOUBLE,(/ ilev /),ilevid) |
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201 | status = NF90_PUT_ATT(ncid,ilevid,"long_name","hybrid level at interfaces (1000*(A+B))") |
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202 | status = NF90_PUT_ATT(ncid,ilevid,"units","Pa") |
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203 | status = NF90_PUT_ATT(ncid,ilevid,"positive","up") |
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204 | status = NF90_PUT_ATT(ncid,ilevid,"standard_name","atmosphere_hybrid_sigma_pressure_coordinate") |
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205 | status = NF90_PUT_ATT(ncid,ilevid,"formula_terms","a: hyai b: hybi p0: P0 ps: PS") |
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206 | |
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207 | status = NF90_DEF_VAR(ncid,'hyai',NF90_DOUBLE,(/ ilev /),hyaiid) |
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208 | status = NF90_PUT_ATT(ncid,hyaiid,"long_name","hybrid A coefficient at layer interfaces") |
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209 | |
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210 | status = NF90_DEF_VAR(ncid,'hybi',NF90_DOUBLE,(/ ilev /),hybiid) |
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211 | status = NF90_PUT_ATT(ncid,hybiid,"long_name","hybrid B coefficient at layer interfaces") |
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212 | |
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213 | status = NF90_DEF_VAR(ncid,'hyam',NF90_DOUBLE,(/ lev /),hyamid) |
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214 | status = NF90_PUT_ATT(ncid,hyamid,"long_name","hybrid A coefficient at midpoint interfaces") |
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215 | |
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216 | status = NF90_DEF_VAR(ncid,'hybm',NF90_DOUBLE,(/ lev /),hybmid) |
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217 | status = NF90_PUT_ATT(ncid,hybmid,"long_name","hybrid B coefficient at midpoint interfaces") |
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218 | |
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219 | status = NF90_DEF_VAR(ncid,'P0',NF90_DOUBLE,varid=P0id) |
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220 | |
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221 | status = NF90_ENDDEF(ncid) |
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222 | |
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223 | IF(ap_bp_present) THEN |
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224 | |
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225 | status=NF90_PUT_VAR(ncid,ilevid, ap(:)+bp(:)*Preff) |
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226 | |
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227 | DO l=1,llm |
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228 | val(l)= 0.5*(ap(l+1)+ap(l)+Preff*(bp(l)+bp(l+1))) |
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229 | ENDDO |
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230 | |
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231 | status=NF90_PUT_VAR(ncid,levid, val) |
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232 | |
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233 | status=NF90_PUT_VAR(ncid,hyaiid, ap(:)/Preff) |
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234 | status=NF90_PUT_VAR(ncid,hybiid, bp(:)) |
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235 | |
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236 | DO l=1,llm |
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237 | val(l)= 0.5*(ap(l+1)+ap(l)) |
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238 | ENDDO |
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239 | status=NF90_PUT_VAR(ncid,hyamid, val(:)/Preff) |
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240 | |
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241 | DO l=1,llm |
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242 | val(l)= 0.5*(bp(l+1)+bp(l)) |
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243 | ENDDO |
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244 | status=NF90_PUT_VAR(ncid,hybmid, val(:)) |
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245 | |
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246 | status=NF90_PUT_VAR(ncid,P0id, Preff) |
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247 | |
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248 | END IF |
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249 | |
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250 | status=NF90_CLOSE(ncid) |
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251 | !$OMP END MASTER |
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252 | !$OMP BARRIER |
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253 | END SUBROUTINE write_apbp |
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254 | |
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255 | END MODULE disvert_mod |
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