| 1 | !> @file time_integration_spinup.f90 |
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| 2 | !------------------------------------------------------------------------------! |
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| 3 | ! This file is part of PALM. |
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| 4 | ! |
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| 5 | ! PALM is free software: you can redistribute it and/or modify it under the |
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| 6 | ! terms of the GNU General Public License as published by the Free Software |
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| 7 | ! Foundation, either version 3 of the License, or (at your option) any later |
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| 8 | ! version. |
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| 9 | ! |
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| 10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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| 13 | ! |
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| 14 | ! You should have received a copy of the GNU General Public License along with |
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| 15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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| 16 | ! |
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| 17 | ! Copyright 1997-2017 Leibniz Universitaet Hannover |
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| 18 | !------------------------------------------------------------------------------! |
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| 19 | ! |
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| 20 | ! Current revisions: |
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| 21 | ! ------------------ |
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| 22 | ! |
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| 23 | ! |
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| 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: time_integration_spinup.f90 2296 2017-06-28 07:53:56Z maronga $ |
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| 27 | ! Initial revision |
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| 28 | ! |
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| 29 | ! |
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| 30 | ! |
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| 31 | ! |
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| 32 | ! Description: |
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| 33 | ! ------------ |
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| 34 | !> Integration in time of the non-atmospheric model components such as land |
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| 35 | !> surface model and urban surface model |
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| 36 | !------------------------------------------------------------------------------! |
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| 37 | SUBROUTINE time_integration_spinup |
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| 38 | |
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| 39 | USE arrays_3d, & |
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| 40 | ONLY: pt, pt_p |
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| 41 | |
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| 42 | USE control_parameters, & |
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| 43 | ONLY: averaging_interval_pr, constant_diffusion, constant_flux_layer, coupling_start_time, current_timestep_number, data_output_during_spinup, disturbance_created, dopr_n, do_sum, dt_averaging_input_pr, dt_dopr, dt_dots, dt_run_control, dt_spinup, humidity, intermediate_timestep_count, intermediate_timestep_count_max, land_surface, nr_timesteps_this_run, simulated_time, simulated_time_chr, skip_time_dopr, spinup, spinup_pt_amplitude, spinup_pt_mean, spinup_time, timestep_count, timestep_scheme, time_dopr, time_dopr_av, time_dots, time_run_control, time_since_reference_point, urban_surface |
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| 44 | |
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| 45 | USE constants, & |
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| 46 | ONLY: pi |
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| 47 | |
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| 48 | USE cpulog, & |
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| 49 | ONLY: cpu_log, log_point, log_point_s |
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| 50 | |
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| 51 | USE indices, & |
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| 52 | ONLY: nbgp, nzb, nzt, nysg, nyng, nxlg, nxrg |
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| 53 | |
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| 54 | |
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| 55 | USE land_surface_model_mod, & |
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| 56 | ONLY: lsm_energy_balance, lsm_soil_model, lsm_swap_timelevel, & |
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| 57 | skip_time_do_lsm |
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| 58 | |
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| 59 | USE pegrid |
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| 60 | |
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| 61 | USE kinds |
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| 62 | |
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| 63 | USE radiation_model_mod, & |
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| 64 | ONLY: dt_radiation, force_radiation_call, radiation, & |
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| 65 | radiation_control, skip_time_do_radiation, time_radiation |
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| 66 | |
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| 67 | USE statistics, & |
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| 68 | ONLY: flow_statistics_called |
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| 69 | |
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| 70 | USE surface_layer_fluxes_mod, & |
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| 71 | ONLY: surface_layer_fluxes |
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| 72 | |
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| 73 | USE surface_mod, & |
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| 74 | ONLY : surf_def_h, surf_def_v, surf_lsm_h, surf_lsm_v, surf_usm_h, & |
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| 75 | surf_usm_v |
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| 76 | |
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| 77 | USE urban_surface_mod, & |
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| 78 | ONLY: usm_material_heat_model, usm_material_model, & |
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| 79 | usm_radiation, usm_surface_energy_balance, usm_swap_timelevel |
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| 80 | |
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| 81 | |
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| 82 | |
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| 83 | |
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| 84 | IMPLICIT NONE |
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| 85 | |
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| 86 | CHARACTER (LEN=9) :: time_to_string !< |
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| 87 | |
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| 88 | INTEGER(iwp) :: i |
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| 89 | INTEGER(iwp) :: j |
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| 90 | INTEGER(iwp) :: k |
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| 91 | INTEGER(iwp) :: l |
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| 92 | INTEGER(iwp) :: m |
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| 93 | |
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| 94 | REAL(wp) :: pt_spinup !< temporary storage of temperature |
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| 95 | |
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| 96 | REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: pt_save !< temporary storage of temperature |
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| 97 | |
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| 98 | REAL(wp) :: day_length = 43200.0_wp !! must be calculated from time_utc_init, day_init, and latitude/longitude |
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| 99 | |
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| 100 | ALLOCATE( pt_save(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
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| 101 | |
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| 102 | CALL exchange_horiz( pt_p, nbgp ) |
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| 103 | pt_save = pt_p |
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| 104 | |
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| 105 | CALL location_message( 'starting spinup-sequence', .TRUE. ) |
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| 106 | ! |
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| 107 | !-- Start of the time loop |
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| 108 | DO WHILE ( simulated_time < spinup_time ) |
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| 109 | |
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| 110 | CALL cpu_log( log_point_s(15), 'timesteps spinup', 'start' ) |
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| 111 | |
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| 112 | ! |
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| 113 | !-- Start of intermediate step loop |
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| 114 | intermediate_timestep_count = 0 |
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| 115 | DO WHILE ( intermediate_timestep_count < & |
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| 116 | intermediate_timestep_count_max ) |
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| 117 | |
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| 118 | intermediate_timestep_count = intermediate_timestep_count + 1 |
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| 119 | |
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| 120 | ! |
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| 121 | !-- Set the steering factors for the prognostic equations which depend |
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| 122 | !-- on the timestep scheme |
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| 123 | CALL timestep_scheme_steering |
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| 124 | |
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| 125 | |
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| 126 | !!!! Set new values of pt_p here |
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| 127 | pt_spinup = spinup_pt_mean + spinup_pt_amplitude * SIN( pi* (time_since_reference_point/day_length) - pi) |
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| 128 | |
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| 129 | IF ( land_surface ) THEN |
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| 130 | DO m = 1, surf_lsm_h%ns |
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| 131 | i = surf_lsm_h%i(m) |
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| 132 | j = surf_lsm_h%j(m) |
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| 133 | k = surf_lsm_h%k(m) |
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| 134 | pt_p(k,j,i) = pt_spinup |
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| 135 | ENDDO |
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| 136 | |
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| 137 | DO l = 0, 3 |
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| 138 | DO m = 1, surf_lsm_v(l)%ns |
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| 139 | i = surf_lsm_v(l)%i(m) |
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| 140 | j = surf_lsm_v(l)%j(m) |
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| 141 | k = surf_lsm_v(l)%k(m) |
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| 142 | pt_p(k,j,i) = pt_spinup |
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| 143 | ENDDO |
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| 144 | ENDDO |
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| 145 | ENDIF |
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| 146 | |
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| 147 | IF ( urban_surface ) THEN |
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| 148 | DO m = 1, surf_usm_h%ns |
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| 149 | i = surf_usm_h%i(m) |
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| 150 | j = surf_usm_h%j(m) |
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| 151 | k = surf_usm_h%k(m) |
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| 152 | pt_p(k,j,i) = pt_spinup |
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| 153 | ENDDO |
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| 154 | |
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| 155 | DO l = 0, 3 |
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| 156 | DO m = 1, surf_usm_v(l)%ns |
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| 157 | i = surf_usm_v(l)%i(m) |
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| 158 | j = surf_usm_v(l)%j(m) |
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| 159 | k = surf_usm_v(l)%k(m) |
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| 160 | pt_p(k,j,i) = pt_spinup |
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| 161 | ENDDO |
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| 162 | ENDDO |
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| 163 | ENDIF |
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| 164 | |
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| 165 | ! |
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| 166 | !-- Swap the time levels in preparation for the next time step. |
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| 167 | timestep_count = timestep_count + 1 |
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| 168 | |
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| 169 | IF ( land_surface ) THEN |
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| 170 | CALL lsm_swap_timelevel ( 0 ) |
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| 171 | ENDIF |
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| 172 | |
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| 173 | IF ( urban_surface ) THEN |
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| 174 | CALL usm_swap_timelevel ( 0 ) |
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| 175 | ENDIF |
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| 176 | |
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| 177 | IF ( land_surface ) THEN |
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| 178 | CALL lsm_swap_timelevel ( MOD( timestep_count, 2) ) |
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| 179 | ENDIF |
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| 180 | |
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| 181 | IF ( urban_surface ) THEN |
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| 182 | CALL usm_swap_timelevel ( MOD( timestep_count, 2) ) |
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| 183 | ENDIF |
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| 184 | |
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| 185 | ! |
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| 186 | !-- If required, compute virtual potential temperature |
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| 187 | IF ( humidity ) THEN |
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| 188 | CALL compute_vpt |
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| 189 | ENDIF |
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| 190 | |
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| 191 | ! |
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| 192 | !-- Compute the diffusion quantities |
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| 193 | IF ( .NOT. constant_diffusion ) THEN |
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| 194 | |
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| 195 | ! |
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| 196 | !-- First the vertical (and horizontal) fluxes in the surface |
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| 197 | !-- (constant flux) layer are computed |
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| 198 | IF ( constant_flux_layer ) THEN |
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| 199 | CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'start' ) |
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| 200 | CALL surface_layer_fluxes |
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| 201 | CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'stop' ) |
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| 202 | ENDIF |
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| 203 | |
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| 204 | ! |
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| 205 | !-- If required, solve the energy balance for the surface and run soil |
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| 206 | !-- model. Call for horizontal as well as vertical surfaces |
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| 207 | IF ( land_surface .AND. simulated_time > skip_time_do_lsm) THEN |
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| 208 | |
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| 209 | CALL cpu_log( log_point(54), 'land_surface', 'start' ) |
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| 210 | ! |
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| 211 | !-- Call for horizontal upward-facing surfaces |
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| 212 | CALL lsm_energy_balance( .TRUE., -1 ) |
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| 213 | CALL lsm_soil_model( .TRUE., -1 ) |
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| 214 | ! |
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| 215 | !-- Call for northward-facing surfaces |
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| 216 | CALL lsm_energy_balance( .FALSE., 0 ) |
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| 217 | CALL lsm_soil_model( .FALSE., 0 ) |
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| 218 | ! |
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| 219 | !-- Call for southward-facing surfaces |
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| 220 | CALL lsm_energy_balance( .FALSE., 1 ) |
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| 221 | CALL lsm_soil_model( .FALSE., 1 ) |
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| 222 | ! |
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| 223 | !-- Call for eastward-facing surfaces |
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| 224 | CALL lsm_energy_balance( .FALSE., 2 ) |
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| 225 | CALL lsm_soil_model( .FALSE., 2 ) |
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| 226 | ! |
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| 227 | !-- Call for westward-facing surfaces |
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| 228 | CALL lsm_energy_balance( .FALSE., 3 ) |
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| 229 | CALL lsm_soil_model( .FALSE., 3 ) |
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| 230 | |
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| 231 | CALL cpu_log( log_point(54), 'land_surface', 'stop' ) |
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| 232 | ENDIF |
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| 233 | |
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| 234 | ! |
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| 235 | !-- If required, solve the energy balance for urban surfaces and run |
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| 236 | !-- the material heat model |
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| 237 | IF (urban_surface) THEN |
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| 238 | CALL cpu_log( log_point(74), 'urban_surface', 'start' ) |
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| 239 | CALL usm_surface_energy_balance |
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| 240 | IF ( usm_material_model ) THEN |
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| 241 | CALL usm_material_heat_model |
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| 242 | ENDIF |
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| 243 | CALL cpu_log( log_point(74), 'urban_surface', 'stop' ) |
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| 244 | ENDIF |
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| 245 | |
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| 246 | ENDIF |
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| 247 | |
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| 248 | ! |
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| 249 | !-- If required, calculate radiative fluxes and heating rates |
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| 250 | IF ( radiation .AND. intermediate_timestep_count & |
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| 251 | == intermediate_timestep_count_max .AND. simulated_time > & |
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| 252 | skip_time_do_radiation ) THEN |
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| 253 | |
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| 254 | time_radiation = time_radiation + dt_spinup |
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| 255 | |
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| 256 | IF ( time_radiation >= dt_radiation .OR. force_radiation_call ) & |
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| 257 | THEN |
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| 258 | |
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| 259 | CALL cpu_log( log_point(50), 'radiation', 'start' ) |
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| 260 | |
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| 261 | IF ( .NOT. force_radiation_call ) THEN |
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| 262 | time_radiation = time_radiation - dt_radiation |
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| 263 | ENDIF |
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| 264 | |
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| 265 | CALL radiation_control |
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| 266 | |
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| 267 | CALL cpu_log( log_point(50), 'radiation', 'stop' ) |
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| 268 | |
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| 269 | IF (urban_surface) THEN |
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| 270 | CALL cpu_log( log_point(75), 'usm_radiation', 'start' ) |
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| 271 | CALL usm_radiation |
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| 272 | CALL cpu_log( log_point(75), 'usm_radiation', 'stop' ) |
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| 273 | ENDIF |
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| 274 | ENDIF |
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| 275 | ENDIF |
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| 276 | |
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| 277 | ENDDO ! Intermediate step loop |
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| 278 | |
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| 279 | ! |
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| 280 | !-- Increase simulation time and output times |
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| 281 | nr_timesteps_this_run = nr_timesteps_this_run + 1 |
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| 282 | current_timestep_number = current_timestep_number + 1 |
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| 283 | simulated_time = simulated_time + dt_spinup |
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| 284 | simulated_time_chr = time_to_string( simulated_time ) |
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| 285 | time_since_reference_point = simulated_time - coupling_start_time |
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| 286 | |
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| 287 | IF ( data_output_during_spinup ) THEN |
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| 288 | time_dots = time_dots + dt_spinup |
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| 289 | IF ( simulated_time >= skip_time_dopr ) THEN |
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| 290 | time_dopr = time_dopr + dt_spinup |
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| 291 | ENDIF |
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| 292 | time_run_control = time_run_control + dt_spinup |
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| 293 | |
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| 294 | ! |
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| 295 | !-- Carry out statistical analysis and output at the requested output times. |
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| 296 | !-- The MOD function is used for calculating the output time counters (like |
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| 297 | !-- time_dopr) in order to regard a possible decrease of the output time |
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| 298 | !-- interval in case of restart runs |
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| 299 | |
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| 300 | ! |
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| 301 | !-- Set a flag indicating that so far no statistics have been created |
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| 302 | !-- for this time step |
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| 303 | flow_statistics_called = .FALSE. |
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| 304 | |
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| 305 | ! |
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| 306 | !-- If required, call flow_statistics for averaging in time |
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| 307 | IF ( averaging_interval_pr /= 0.0_wp .AND. & |
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| 308 | ( dt_dopr - time_dopr ) <= averaging_interval_pr .AND. & |
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| 309 | simulated_time >= skip_time_dopr ) THEN |
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| 310 | time_dopr_av = time_dopr_av + dt_spinup |
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| 311 | IF ( time_dopr_av >= dt_averaging_input_pr ) THEN |
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| 312 | do_sum = .TRUE. |
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| 313 | time_dopr_av = MOD( time_dopr_av, & |
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| 314 | MAX( dt_averaging_input_pr, dt_spinup ) ) |
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| 315 | ENDIF |
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| 316 | ENDIF |
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| 317 | IF ( do_sum ) CALL flow_statistics |
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| 318 | |
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| 319 | ! |
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| 320 | !-- Output of profiles |
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| 321 | IF ( time_dopr >= dt_dopr ) THEN |
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| 322 | IF ( dopr_n /= 0 ) CALL data_output_profiles |
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| 323 | time_dopr = MOD( time_dopr, MAX( dt_dopr, dt_spinup ) ) |
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| 324 | time_dopr_av = 0.0_wp ! due to averaging (see above) |
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| 325 | ENDIF |
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| 326 | |
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| 327 | ! |
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| 328 | !-- Output of time series |
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| 329 | IF ( time_dots >= dt_dots ) THEN |
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| 330 | CALL data_output_tseries |
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| 331 | time_dots = MOD( time_dots, MAX( dt_dots, dt_spinup ) ) |
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| 332 | ENDIF |
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| 333 | |
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| 334 | ENDIF |
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| 335 | |
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| 336 | ! |
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| 337 | !-- Computation and output of run control parameters. |
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| 338 | !-- This is also done whenever perturbations have been imposed |
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| 339 | IF ( time_run_control >= dt_run_control .OR. & |
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| 340 | timestep_scheme(1:5) /= 'runge' .OR. disturbance_created ) & |
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| 341 | THEN |
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| 342 | CALL run_control |
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| 343 | IF ( time_run_control >= dt_run_control ) THEN |
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| 344 | time_run_control = MOD( time_run_control, & |
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| 345 | MAX( dt_run_control, dt_spinup ) ) |
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| 346 | ENDIF |
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| 347 | ENDIF |
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| 348 | |
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| 349 | CALL cpu_log( log_point_s(15), 'timesteps spinup', 'stop' ) |
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| 350 | |
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| 351 | IF ( myid == 0 ) THEN |
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| 352 | PRINT*, time_since_reference_point |
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| 353 | ENDIF |
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| 354 | |
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| 355 | ENDDO ! time loop |
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| 356 | |
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| 357 | ! |
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| 358 | !-- Write back saved temperature to the 3D arrays |
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| 359 | pt(:,:,:) = pt_save |
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| 360 | pt_p(:,:,:) = pt_save |
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| 361 | |
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| 362 | DEALLOCATE(pt_save) |
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| 363 | |
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| 364 | CALL location_message( 'finished time-stepping spinup', .TRUE. ) |
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| 365 | |
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| 366 | END SUBROUTINE time_integration_spinup |
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