1 | MODULE timeloop_gcm_mod |
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2 | |
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3 | PRIVATE |
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4 | |
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5 | PUBLIC :: timeloop |
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6 | |
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7 | INTEGER, PARAMETER :: euler=1, rk4=2, mlf=3 |
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8 | |
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9 | CONTAINS |
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10 | |
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11 | SUBROUTINE timeloop |
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12 | USE icosa |
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13 | USE dissip_gcm_mod |
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14 | USE caldyn_mod |
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15 | USE etat0_mod |
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16 | USE guided_mod |
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17 | USE advect_tracer_mod |
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18 | USE physics_mod |
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19 | USE mpipara |
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20 | |
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21 | IMPLICIT NONE |
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22 | TYPE(t_field),POINTER :: f_phis(:) |
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23 | ! TYPE(t_field),POINTER :: f_theta(:) |
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24 | TYPE(t_field),POINTER :: f_q(:) |
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25 | TYPE(t_field),POINTER :: f_dtheta(:), f_rhodz(:) |
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26 | TYPE(t_field),POINTER :: f_ps(:),f_psm1(:), f_psm2(:) |
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27 | TYPE(t_field),POINTER :: f_u(:),f_um1(:),f_um2(:) |
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28 | TYPE(t_field),POINTER :: f_theta_rhodz(:),f_theta_rhodzm1(:),f_theta_rhodzm2(:) |
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29 | TYPE(t_field),POINTER :: f_dps(:),f_dpsm1(:), f_dpsm2(:) |
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30 | TYPE(t_field),POINTER :: f_du(:),f_dum1(:),f_dum2(:) |
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31 | TYPE(t_field),POINTER :: f_dtheta_rhodz(:),f_dtheta_rhodzm1(:),f_dtheta_rhodzm2(:) |
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32 | TYPE(t_field),POINTER :: f_hflux(:), f_wflux(:), f_hfluxt(:), f_wfluxt(:) |
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33 | |
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34 | REAL(rstd),POINTER :: phis(:) |
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35 | REAL(rstd),POINTER :: q(:,:,:) |
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36 | REAL(rstd),POINTER :: ps(:) ,psm1(:), psm2(:) |
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37 | REAL(rstd),POINTER :: u(:,:) , um1(:,:), um2(:,:) |
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38 | REAL(rstd),POINTER :: rhodz(:,:), theta_rhodz(:,:) , theta_rhodzm1(:,:), theta_rhodzm2(:,:) |
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39 | REAL(rstd),POINTER :: dps(:), dpsm1(:), dpsm2(:) |
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40 | REAL(rstd),POINTER :: du(:,:), dum1(:,:), dum2(:,:) |
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41 | REAL(rstd),POINTER :: dtheta_rhodz(:,:),dtheta_rhodzm1(:,:),dtheta_rhodzm2(:,:) |
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42 | REAL(rstd),POINTER :: hflux(:,:),wflux(:,:),hfluxt(:,:),wfluxt(:,:) |
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43 | |
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44 | ! REAL(rstd) :: dt, run_length |
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45 | INTEGER :: ind |
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46 | INTEGER :: it,i,j,n, nb_stage, stage, matsuno_period, scheme |
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47 | CHARACTER(len=255) :: scheme_name |
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48 | LOGICAL :: fluxt_zero(ndomain) ! set to .TRUE. to start accumulating fluxes in time |
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49 | ! INTEGER :: itaumax |
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50 | ! REAL(rstd) ::write_period |
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51 | ! INTEGER :: itau_out |
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52 | |
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53 | ! dt=90. |
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54 | ! CALL getin('dt',dt) |
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55 | |
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56 | ! itaumax=100 |
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57 | ! CALL getin('itaumax',itaumax) |
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58 | |
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59 | ! run_length=dt*itaumax |
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60 | ! CALL getin('run_length',run_length) |
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61 | ! itaumax=run_length/dt |
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62 | ! PRINT *,'itaumax=',itaumax |
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63 | ! dt=dt/scale_factor |
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64 | |
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65 | ! Trends |
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66 | CALL allocate_field(f_dps,field_t,type_real) |
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67 | CALL allocate_field(f_du,field_u,type_real,llm) |
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68 | CALL allocate_field(f_dtheta_rhodz,field_t,type_real,llm) |
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69 | ! Model state at current time step (RK/MLF/Euler) |
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70 | CALL allocate_field(f_phis,field_t,type_real) |
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71 | CALL allocate_field(f_ps,field_t,type_real) |
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72 | CALL allocate_field(f_u,field_u,type_real,llm) |
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73 | CALL allocate_field(f_theta_rhodz,field_t,type_real,llm) |
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74 | ! Model state at previous time step (RK/MLF) |
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75 | CALL allocate_field(f_psm1,field_t,type_real) |
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76 | CALL allocate_field(f_um1,field_u,type_real,llm) |
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77 | CALL allocate_field(f_theta_rhodzm1,field_t,type_real,llm) |
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78 | ! Tracers |
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79 | CALL allocate_field(f_q,field_t,type_real,llm,nqtot) |
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80 | CALL allocate_field(f_rhodz,field_t,type_real,llm) |
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81 | ! Mass fluxes |
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82 | CALL allocate_field(f_hflux,field_u,type_real,llm) ! instantaneous mass fluxes |
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83 | CALL allocate_field(f_wflux,field_t,type_real,llm+1) ! computed by caldyn |
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84 | CALL allocate_field(f_hfluxt,field_u,type_real,llm) ! mass "fluxes" accumulated in time |
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85 | CALL allocate_field(f_wfluxt,field_t,type_real,llm+1) |
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86 | |
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87 | scheme_name='runge_kutta' |
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88 | CALL getin('scheme',scheme_name) |
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89 | |
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90 | SELECT CASE (TRIM(scheme_name)) |
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91 | CASE('euler') |
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92 | scheme=euler |
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93 | nb_stage=1 |
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94 | CASE ('runge_kutta') |
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95 | scheme=rk4 |
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96 | nb_stage=4 |
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97 | CASE ('leapfrog_matsuno') |
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98 | scheme=mlf |
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99 | matsuno_period=5 |
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100 | CALL getin('matsuno_period',matsuno_period) |
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101 | nb_stage=matsuno_period+1 |
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102 | ! Model state 2 time steps ago (MLF) |
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103 | CALL allocate_field(f_psm2,field_t,type_real) |
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104 | CALL allocate_field(f_theta_rhodzm2,field_t,type_real,llm) |
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105 | CALL allocate_field(f_um2,field_u,type_real,llm) |
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106 | CASE default |
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107 | PRINT*,'Bad selector for variable scheme : <', TRIM(scheme_name), & |
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108 | ' > options are <euler>, <runge_kutta>, <leapfrog_matsuno>' |
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109 | STOP |
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110 | END SELECT |
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111 | |
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112 | ! write_period=0 |
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113 | ! CALL getin('write_period',write_period) |
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114 | ! write_period=write_period/scale_factor |
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115 | ! itau_out=FLOOR(.5+write_period/dt) |
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116 | ! PRINT *, 'Output frequency (scaled) set to ',write_period, ' : itau_out = ',itau_out |
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117 | |
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118 | ! Trends at previous time steps needed only by Adams-Bashforth |
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119 | ! CALL allocate_field(f_dpsm1,field_t,type_real) |
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120 | ! CALL allocate_field(f_dpsm2,field_t,type_real) |
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121 | ! CALL allocate_field(f_dum1,field_u,type_real,llm) |
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122 | ! CALL allocate_field(f_dum2,field_u,type_real,llm) |
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123 | ! CALL allocate_field(f_dtheta_rhodzm1,field_t,type_real,llm) |
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124 | ! CALL allocate_field(f_dtheta_rhodzm2,field_t,type_real,llm) |
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125 | |
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126 | ! CALL allocate_field(f_theta,field_t,type_real,llm) |
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127 | ! CALL allocate_field(f_dtheta,field_t,type_real,llm) |
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128 | |
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129 | CALL init_dissip |
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130 | CALL init_caldyn |
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131 | CALL init_guided |
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132 | CALL init_advect_tracer |
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133 | CALL init_physics |
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134 | |
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135 | CALL etat0(f_ps,f_phis,f_theta_rhodz,f_u, f_q) |
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136 | CALL writefield("phis",f_phis,once=.TRUE.) |
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137 | CALL transfert_request(f_q,req_i1) |
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138 | |
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139 | DO ind=1,ndomain |
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140 | CALL swap_dimensions(ind) |
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141 | CALL swap_geometry(ind) |
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142 | rhodz=f_rhodz(ind); ps=f_ps(ind) |
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143 | CALL compute_rhodz(.TRUE., ps,rhodz) ! save rhodz for transport scheme before dynamics update ps |
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144 | END DO |
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145 | fluxt_zero=.TRUE. |
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146 | |
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147 | ! check that rhodz is consistent with ps |
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148 | CALL transfert_request(f_rhodz,req_i1) |
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149 | CALL transfert_request(f_ps,req_i1) |
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150 | DO ind=1,ndomain |
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151 | CALL swap_dimensions(ind) |
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152 | CALL swap_geometry(ind) |
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153 | rhodz=f_rhodz(ind); ps=f_ps(ind) |
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154 | CALL compute_rhodz(.FALSE., ps, rhodz) |
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155 | END DO |
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156 | |
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157 | DO it=0,itaumax |
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158 | |
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159 | IF (is_mpi_root) PRINT *,"It No :",It," t :",dt*It |
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160 | IF (mod(it,itau_out)==0 ) THEN |
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161 | CALL writefield("q",f_q) |
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162 | CALL update_time_counter(dt*it) |
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163 | ENDIF |
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164 | |
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165 | CALL guided(it*dt,f_ps,f_theta_rhodz,f_u,f_q) |
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166 | |
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167 | DO stage=1,nb_stage |
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168 | CALL caldyn((stage==1) .AND. (MOD(it,itau_out)==0), & |
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169 | f_phis,f_ps,f_theta_rhodz,f_u, f_q, & |
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170 | f_hflux, f_wflux, f_dps, f_dtheta_rhodz, f_du) |
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171 | SELECT CASE (scheme) |
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172 | CASE(euler) |
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173 | CALL euler_scheme(.TRUE.) |
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174 | CASE (rk4) |
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175 | CALL rk_scheme(stage) |
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176 | CASE (mlf) |
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177 | CALL leapfrog_matsuno_scheme(stage) |
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178 | |
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179 | ! CASE ('leapfrog') |
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180 | ! CALL leapfrog_scheme |
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181 | ! |
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182 | ! CASE ('adam_bashforth') |
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183 | ! CALL dissip(f_u,f_du,f_ps,f_phis, f_theta_rhodz,f_dtheta_rhodz) |
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184 | ! CALL adam_bashforth_scheme |
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185 | CASE DEFAULT |
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186 | STOP |
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187 | END SELECT |
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188 | END DO |
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189 | |
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190 | CALL dissip(f_u,f_du,f_ps,f_phis, f_theta_rhodz,f_dtheta_rhodz) |
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191 | CALL euler_scheme(.FALSE.) |
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192 | |
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193 | IF(MOD(it+1,itau_adv)==0) THEN |
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194 | CALL transfert_request(f_wfluxt,req_i1) ! FIXME |
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195 | ! CALL transfert_request(f_hfluxt,req_e1) ! FIXME |
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196 | |
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197 | CALL advect_tracer(f_hfluxt,f_wfluxt,f_u, f_q,f_rhodz) ! update q and rhodz after RK step |
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198 | fluxt_zero=.TRUE. |
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199 | |
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200 | ! FIXME : check that rhodz is consistent with ps |
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201 | CALL transfert_request(f_rhodz,req_i1) |
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202 | CALL transfert_request(f_ps,req_i1) |
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203 | CALL transfert_request(f_dps,req_i1) ! FIXME |
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204 | CALL transfert_request(f_wflux,req_i1) ! FIXME |
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205 | DO ind=1,ndomain |
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206 | CALL swap_dimensions(ind) |
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207 | CALL swap_geometry(ind) |
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208 | rhodz=f_rhodz(ind); ps=f_ps(ind); dps=f_dps(ind); |
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209 | wflux=f_wflux(ind); wfluxt=f_wfluxt(ind) |
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210 | CALL compute_rhodz(.FALSE., ps, rhodz) |
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211 | END DO |
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212 | |
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213 | END IF |
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214 | |
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215 | ! CALL physics(it,f_phis, f_ps, f_theta_rhodz, f_u, f_q) |
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216 | ENDDO |
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217 | |
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218 | CONTAINS |
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219 | |
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220 | SUBROUTINE Euler_scheme(with_dps) |
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221 | IMPLICIT NONE |
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222 | LOGICAL :: with_dps |
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223 | INTEGER :: ind |
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224 | DO ind=1,ndomain |
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225 | CALL swap_dimensions(ind) |
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226 | CALL swap_geometry(ind) |
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227 | IF(with_dps) THEN |
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228 | ps=f_ps(ind) ; dps=f_dps(ind) ; |
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229 | ps(:)=ps(:)+dt*dps(:) |
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230 | hflux=f_hflux(ind); hfluxt=f_hfluxt(ind) |
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231 | wflux=f_wflux(ind); wfluxt=f_wfluxt(ind) |
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232 | CALL accumulate_fluxes(hflux,wflux,hfluxt,wfluxt,dt,fluxt_zero(ind)) |
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233 | END IF |
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234 | u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
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235 | du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
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236 | u(:,:)=u(:,:)+dt*du(:,:) |
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237 | theta_rhodz(:,:)=theta_rhodz(:,:)+dt*dtheta_rhodz(:,:) |
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238 | ENDDO |
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239 | |
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240 | END SUBROUTINE Euler_scheme |
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241 | |
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242 | SUBROUTINE RK_scheme(stage) |
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243 | IMPLICIT NONE |
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244 | INTEGER :: ind, stage |
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245 | REAL(rstd), DIMENSION(4), PARAMETER :: coef = (/ .25, 1./3., .5, 1. /) |
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246 | REAL(rstd) :: tau |
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247 | |
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248 | tau = dt*coef(stage) |
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249 | |
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250 | DO ind=1,ndomain |
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251 | CALL swap_dimensions(ind) |
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252 | CALL swap_geometry(ind) |
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253 | ps=f_ps(ind) ; u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
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254 | psm1=f_psm1(ind) ; um1=f_um1(ind) ; theta_rhodzm1=f_theta_rhodzm1(ind) |
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255 | dps=f_dps(ind) ; du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
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256 | |
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257 | IF (stage==1) THEN ! first stage : save model state in XXm1 |
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258 | psm1(:)=ps(:) ; um1(:,:)=u(:,:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) |
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259 | END IF |
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260 | ! updates are of the form x1 := x0 + tau*f(x1) |
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261 | ps(:)=psm1(:)+tau*dps(:) |
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262 | u(:,:)=um1(:,:)+tau*du(:,:) |
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263 | theta_rhodz(:,:)=theta_rhodzm1(:,:)+tau*dtheta_rhodz(:,:) |
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264 | IF(stage==nb_stage) THEN ! accumulate mass fluxes at last stage |
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265 | hflux=f_hflux(ind); hfluxt=f_hfluxt(ind) |
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266 | wflux=f_wflux(ind); wfluxt=f_wfluxt(ind) |
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267 | CALL accumulate_fluxes(hflux,wflux, hfluxt,wfluxt, dt,fluxt_zero(ind)) |
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268 | END IF |
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269 | END DO |
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270 | END SUBROUTINE RK_scheme |
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271 | |
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272 | SUBROUTINE leapfrog_scheme |
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273 | IMPLICIT NONE |
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274 | INTEGER :: ind |
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275 | |
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276 | DO ind=1,ndomain |
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277 | CALL swap_dimensions(ind) |
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278 | CALL swap_geometry(ind) |
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279 | ps=f_ps(ind) ; u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
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280 | psm1=f_psm1(ind) ; um1=f_um1(ind) ; theta_rhodzm1=f_theta_rhodzm1(ind) |
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281 | psm2=f_psm2(ind) ; um2=f_um2(ind) ; theta_rhodzm2=f_theta_rhodzm2(ind) |
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282 | dps=f_dps(ind) ; du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
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283 | |
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284 | IF (it==0) THEN |
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285 | psm2(:)=ps(:) ; theta_rhodzm2(:,:)=theta_rhodz(:,:) ; um2(:,:)=u(:,:) |
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286 | |
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287 | ps(:)=ps(:)+dt*dps(:) |
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288 | u(:,:)=u(:,:)+dt*du(:,:) |
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289 | theta_rhodz(:,:)=theta_rhodz(:,:)+dt*dtheta_rhodz(:,:) |
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290 | |
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291 | psm1(:)=ps(:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) ; um1(:,:)=u(:,:) |
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292 | ELSE |
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293 | |
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294 | ps(:)=psm2(:)+2*dt*dps(:) |
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295 | u(:,:)=um2(:,:)+2*dt*du(:,:) |
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296 | theta_rhodz(:,:)=theta_rhodzm2(:,:)+2*dt*dtheta_rhodz(:,:) |
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297 | |
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298 | psm2(:)=psm1(:) ; theta_rhodzm2(:,:)=theta_rhodzm1(:,:) ; um2(:,:)=um1(:,:) |
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299 | psm1(:)=ps(:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) ; um1(:,:)=u(:,:) |
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300 | ENDIF |
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301 | |
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302 | ENDDO |
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303 | END SUBROUTINE leapfrog_scheme |
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304 | |
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305 | SUBROUTINE leapfrog_matsuno_scheme(stage) |
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306 | IMPLICIT NONE |
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307 | INTEGER :: ind, stage |
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308 | REAL :: tau |
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309 | tau = dt/nb_stage |
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310 | DO ind=1,ndomain |
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311 | CALL swap_dimensions(ind) |
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312 | CALL swap_geometry(ind) |
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313 | |
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314 | ps=f_ps(ind) ; u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
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315 | psm1=f_psm1(ind) ; um1=f_um1(ind) ; theta_rhodzm1=f_theta_rhodzm1(ind) |
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316 | psm2=f_psm2(ind) ; um2=f_um2(ind) ; theta_rhodzm2=f_theta_rhodzm2(ind) |
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317 | dps=f_dps(ind) ; du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
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318 | |
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319 | |
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320 | ! IF (MOD(it,matsuno_period+1)==0) THEN |
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321 | IF (stage==1) THEN |
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322 | psm1(:)=ps(:) ; um1(:,:)=u(:,:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) |
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323 | ps(:)=psm1(:)+tau*dps(:) |
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324 | u(:,:)=um1(:,:)+tau*du(:,:) |
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325 | theta_rhodz(:,:)=theta_rhodzm1(:,:)+tau*dtheta_rhodz(:,:) |
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326 | |
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327 | ! ELSE IF (MOD(it,matsuno_period+1)==1) THEN |
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328 | ELSE IF (stage==2) THEN |
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329 | |
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330 | ps(:)=psm1(:)+tau*dps(:) |
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331 | u(:,:)=um1(:,:)+tau*du(:,:) |
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332 | theta_rhodz(:,:)=theta_rhodzm1(:,:)+tau*dtheta_rhodz(:,:) |
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333 | |
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334 | psm2(:)=psm1(:) ; theta_rhodzm2(:,:)=theta_rhodzm1(:,:) ; um2(:,:)=um1(:,:) |
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335 | psm1(:)=ps(:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) ; um1(:,:)=u(:,:) |
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336 | |
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337 | ELSE |
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338 | |
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339 | ps(:)=psm2(:)+2*tau*dps(:) |
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340 | u(:,:)=um2(:,:)+2*tau*du(:,:) |
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341 | theta_rhodz(:,:)=theta_rhodzm2(:,:)+2*tau*dtheta_rhodz(:,:) |
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342 | |
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343 | psm2(:)=psm1(:) ; theta_rhodzm2(:,:)=theta_rhodzm1(:,:) ; um2(:,:)=um1(:,:) |
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344 | psm1(:)=ps(:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) ; um1(:,:)=u(:,:) |
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345 | |
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346 | ENDIF |
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347 | |
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348 | ENDDO |
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349 | |
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350 | END SUBROUTINE leapfrog_matsuno_scheme |
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351 | |
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352 | SUBROUTINE adam_bashforth_scheme |
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353 | IMPLICIT NONE |
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354 | INTEGER :: ind |
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355 | |
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356 | DO ind=1,ndomain |
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357 | CALL swap_dimensions(ind) |
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358 | CALL swap_geometry(ind) |
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359 | ps=f_ps(ind) ; u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
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360 | dps=f_dps(ind) ; du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
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361 | dpsm1=f_dpsm1(ind) ; dum1=f_dum1(ind) ; dtheta_rhodzm1=f_dtheta_rhodzm1(ind) |
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362 | dpsm2=f_dpsm2(ind) ; dum2=f_dum2(ind) ; dtheta_rhodzm2=f_dtheta_rhodzm2(ind) |
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363 | |
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364 | IF (it==0) THEN |
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365 | dpsm1(:)=dps(:) ; dum1(:,:)=du(:,:) ; dtheta_rhodzm1(:,:)=dtheta_rhodz(:,:) |
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366 | dpsm2(:)=dpsm1(:) ; dum2(:,:)=dum1(:,:) ; dtheta_rhodzm2(:,:)=dtheta_rhodzm1(:,:) |
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367 | ENDIF |
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368 | |
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369 | ps(:)=ps(:)+dt*(23*dps(:)-16*dpsm1(:)+5*dpsm2(:))/12 |
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370 | u(:,:)=u(:,:)+dt*(23*du(:,:)-16*dum1(:,:)+5*dum2(:,:))/12 |
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371 | theta_rhodz(:,:)=theta_rhodz(:,:)+dt*(23*dtheta_rhodz(:,:)-16*dtheta_rhodzm1(:,:)+5*dtheta_rhodzm2(:,:))/12 |
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372 | |
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373 | dpsm2(:)=dpsm1(:) ; dum2(:,:)=dum1(:,:) ; dtheta_rhodzm2(:,:)=dtheta_rhodzm1(:,:) |
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374 | dpsm1(:)=dps(:) ; dum1(:,:)=du(:,:) ; dtheta_rhodzm1(:,:)=dtheta_rhodz(:,:) |
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375 | |
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376 | ENDDO |
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377 | |
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378 | END SUBROUTINE adam_bashforth_scheme |
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379 | |
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380 | END SUBROUTINE timeloop |
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381 | |
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382 | SUBROUTINE compute_rhodz(comp, ps, rhodz) |
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383 | USE icosa |
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384 | USE disvert_mod |
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385 | LOGICAL, INTENT(IN) :: comp ! .TRUE. to compute, .FALSE. to check |
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386 | REAL(rstd), INTENT(IN) :: ps(iim*jjm) |
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387 | REAL(rstd), INTENT(OUT) :: rhodz(iim*jjm,llm) |
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388 | REAL(rstd) :: m, err |
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389 | INTEGER :: l,i,j,ij,dd |
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390 | err=0. |
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391 | IF(comp) THEN |
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392 | dd=1 |
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393 | ELSE |
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394 | ! dd=-1 |
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395 | dd=0 |
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396 | END IF |
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397 | |
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398 | DO l = 1, llm |
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399 | DO j=jj_begin-dd,jj_end+dd |
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400 | DO i=ii_begin-dd,ii_end+dd |
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401 | ij=(j-1)*iim+i |
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402 | m = ( ap(l) - ap(l+1) + (bp(l)-bp(l+1))*ps(ij) )/g |
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403 | IF(comp) THEN |
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404 | rhodz(ij,l) = m |
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405 | ELSE |
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406 | err = MAX(err,abs(m-rhodz(ij,l))) |
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407 | END IF |
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408 | ENDDO |
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409 | ENDDO |
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410 | ENDDO |
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411 | |
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412 | IF(.NOT. comp) THEN |
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413 | IF(err>1e-10) THEN |
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414 | PRINT *, 'Discrepancy between ps and rhodz detected', err |
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415 | STOP |
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416 | ELSE |
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417 | ! PRINT *, 'No discrepancy between ps and rhodz detected' |
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418 | END IF |
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419 | END IF |
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420 | |
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421 | END SUBROUTINE compute_rhodz |
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422 | |
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423 | SUBROUTINE accumulate_fluxes(hflux,wflux, hfluxt,wfluxt, tau,fluxt_zero) |
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424 | USE icosa |
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425 | REAL(rstd), INTENT(IN) :: hflux(3*iim*jjm,llm), wflux(iim*jjm,llm+1) |
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426 | REAL(rstd), INTENT(INOUT) :: hfluxt(3*iim*jjm,llm), wfluxt(iim*jjm,llm+1) |
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427 | REAL(rstd), INTENT(IN) :: tau |
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428 | LOGICAL, INTENT(INOUT) :: fluxt_zero |
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429 | IF(fluxt_zero) THEN |
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430 | ! PRINT *, 'Accumulating fluxes (first)' |
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431 | fluxt_zero=.FALSE. |
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432 | hfluxt = tau*hflux |
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433 | wfluxt = tau*wflux |
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434 | ELSE |
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435 | ! PRINT *, 'Accumulating fluxes (next)' |
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436 | hfluxt = hfluxt + tau*hflux |
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437 | wfluxt = wfluxt + tau*wflux |
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438 | END IF |
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439 | END SUBROUTINE accumulate_fluxes |
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440 | |
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441 | END MODULE timeloop_gcm_mod |
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