| 1 | subroutine phytrac_chimie ( |
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| 2 | $ debutphy, |
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| 3 | $ gmtime, |
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| 4 | $ nqmax, |
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| 5 | $ nlon, |
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| 6 | $ lat, |
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| 7 | $ lon, |
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| 8 | $ nlev, |
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| 9 | $ pdtphys, |
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| 10 | $ temp, |
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| 11 | $ pplay, |
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| 12 | $ trac, |
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| 13 | $ d_tr_chem, |
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| 14 | $ iter) |
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| 15 | |
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| 16 | use chemparam_mod |
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| 17 | use conc, only: mmean |
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| 18 | |
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| 19 | implicit none |
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| 20 | |
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| 21 | #include "clesphys.h" |
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| 22 | #include "YOMCST.h" |
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| 23 | |
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| 24 | !=================================================================== |
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| 25 | ! input |
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| 26 | !=================================================================== |
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| 27 | |
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| 28 | integer :: nlon, nlev ! number of gridpoints and levels |
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| 29 | integer :: nqmax ! number of tracers |
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| 30 | |
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| 31 | real :: gmtime ! day fraction |
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| 32 | real :: pdtphys ! phytrac_chimie timestep (s) |
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| 33 | real, dimension(nlon,nlev) :: temp ! temperature (k) |
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| 34 | real, dimension(nlon,nlev) :: pplay ! pressure (pa) |
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| 35 | real, dimension(nlon,nlev,nqmax) :: trac ! tracer mass mixing ratio |
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| 36 | |
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| 37 | logical :: debutphy ! first call flag |
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| 38 | |
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| 39 | !=================================================================== |
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| 40 | ! output |
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| 41 | !=================================================================== |
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| 42 | |
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| 43 | real, dimension(nlon,nlev,nqmax) :: d_tr_chem ! chemical tendency for each tracer |
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| 44 | integer, dimension(nlon,nlev) :: iter ! chemical iterations |
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| 45 | |
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| 46 | !=================================================================== |
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| 47 | ! local |
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| 48 | !=================================================================== |
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| 49 | |
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| 50 | real :: sza_local ! solar zenith angle (deg) |
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| 51 | real :: lon_sun |
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| 52 | |
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| 53 | integer :: i, iq |
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| 54 | integer :: ilon, ilev |
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| 55 | |
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| 56 | real lat(nlon), lat_local(nlon) |
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| 57 | real lon(nlon), lon_local(nlon) |
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| 58 | |
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| 59 | real, dimension(nlon,nlev) :: mrtwv, mrtsa ! total water and total sulfuric acid |
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| 60 | real, dimension(nlon,nlev) :: mrwv, mrsa ! gas-phase water and gas-phase sulfuric acid |
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| 61 | real, dimension(nlon,nlev) :: trac_sum |
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| 62 | real, dimension(nlon,nlev,nqmax) :: ztrac ! local tracer mixing ratio |
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| 63 | |
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| 64 | !=================================================================== |
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| 65 | ! first call : initialisations |
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| 66 | !=================================================================== |
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| 67 | |
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| 68 | if (debutphy) then |
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| 69 | |
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| 70 | !------------------------------------------------------------------- |
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| 71 | ! case of tracers re-initialisation with chemistry |
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| 72 | !------------------------------------------------------------------- |
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| 73 | if (reinit_trac .and. ok_chem) then |
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| 74 | |
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| 75 | print*, "Tracers are re-initialised" |
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| 76 | trac(:,:,:) = 1.0e-30 |
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| 77 | |
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| 78 | if ((i_ocs /= 0) .and. (i_co /= 0) .and. (i_hcl /= 0) |
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| 79 | $ .and. (i_so2 /= 0) .and. (i_h2o /= 0) .and. (i_n2/ = 0) |
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| 80 | $ .and. (i_co2 /= 0)) then |
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| 81 | |
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| 82 | trac(:,1:22,i_ocs) = 3.e-6 |
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| 83 | trac(:,1:22,i_co) = 25.e-6 |
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| 84 | trac(:,:,i_hcl) = 0.4e-6 |
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| 85 | trac(:,1:22,i_so2) = 10.e-6 |
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| 86 | trac(:,1:22,i_h2o) = 30.e-6 |
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| 87 | trac(:,:,i_n2) = 0.35e-1 |
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| 88 | |
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| 89 | ! ensure that sum of mixing ratios = 1 |
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| 90 | |
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| 91 | trac_sum(:,:) = 0. |
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| 92 | |
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| 93 | do iq = 1,nqmax - nmicro |
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| 94 | if (iq /= i_co2) then |
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| 95 | trac_sum(:,:) = trac_sum(:,:) + trac(:,:,iq) |
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| 96 | end if |
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| 97 | end do |
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| 98 | |
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| 99 | ! initialise co2 |
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| 100 | |
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| 101 | trac(:,:,i_co2) = 1. - trac_sum(:,:) |
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| 102 | |
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| 103 | else |
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| 104 | write(*,*) "at least one tracer is missing : stop" |
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| 105 | stop |
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| 106 | end if |
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| 107 | |
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| 108 | ! convert volume to mass mixing ratio |
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| 109 | |
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| 110 | do iq = 1,nqmax - nmicro |
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| 111 | trac(:,:,iq) = trac(:,:,iq)*m_tr(iq)/mmean(:,:) |
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| 112 | end do |
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| 113 | |
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| 114 | end if ! reinit_trac |
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| 115 | |
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| 116 | !------------------------------------------------------------------- |
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| 117 | ! case of detailed microphysics without chemistry |
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| 118 | !------------------------------------------------------------------- |
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| 119 | if (.not. ok_chem .and. ok_cloud .and. cl_scheme == 2) then |
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| 120 | |
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| 121 | ! convert mass to volume mixing ratio |
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| 122 | |
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| 123 | do iq = 1,nqmax - nmicro |
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| 124 | ztrac(:,:,iq) = trac(:,:,iq)*mmean(:,:)/m_tr(iq) |
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| 125 | end do |
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| 126 | |
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| 127 | ! initialise microphysics |
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| 128 | |
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| 129 | call vapors4muphy_ini(nlon,nlev,ztrac) |
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| 130 | |
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| 131 | ! convert volume to mass mixing ratio |
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| 132 | |
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| 133 | do iq = 1,nqmax - nmicro |
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| 134 | trac(:,:,iq) = ztrac(:,:,iq)*m_tr(iq)/mmean(:,:) |
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| 135 | end do |
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| 136 | |
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| 137 | end if |
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| 138 | |
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| 139 | end if ! debutphy |
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| 140 | |
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| 141 | !=================================================================== |
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| 142 | ! convert mass to volume mixing ratio : gas phase |
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| 143 | !=================================================================== |
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| 144 | |
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| 145 | do iq = 1,nqmax - nmicro |
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| 146 | ztrac(:,:,iq) = max(trac(:,:,iq)*mmean(:,:)/m_tr(iq), 1.e-30) |
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| 147 | end do |
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| 148 | |
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| 149 | !=================================================================== |
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| 150 | ! microphysics: simplified scheme (phd aurelien stolzenbach) |
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| 151 | !=================================================================== |
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| 152 | |
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| 153 | if (ok_cloud .and. cl_scheme == 1) then |
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| 154 | |
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| 155 | ! convert mass to volume mixing ratio : liquid phase |
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| 156 | |
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| 157 | ztrac(:,:,i_h2so4liq) = max(trac(:,:,i_h2so4liq) |
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| 158 | $ *mmean(:,:)/m_tr(i_h2so4liq), 1.e-30) |
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| 159 | ztrac(:,:,i_h2oliq) = max(trac(:,:,i_h2oliq) |
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| 160 | $ *mmean(:,:)/m_tr(i_h2oliq), 1.e-30) |
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| 161 | |
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| 162 | ! total water and sulfuric acid (gas + liquid) |
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| 163 | |
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| 164 | mrtwv(:,:) = ztrac(:,:,i_h2o) + ztrac(:,:,i_h2oliq) |
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| 165 | mrtsa(:,:) = ztrac(:,:,i_h2so4) + ztrac(:,:,i_h2so4liq) |
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| 166 | |
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| 167 | ! all water and sulfuric acid is put in the gas-phase |
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| 168 | |
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| 169 | mrwv(:,:) = mrtwv(:,:) |
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| 170 | mrsa(:,:) = mrtsa(:,:) |
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| 171 | |
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| 172 | ! call microphysics |
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| 173 | |
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| 174 | call new_cloud_venus(nlev, nlon, temp, pplay, |
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| 175 | $ mrtwv, mrtsa, mrwv, mrsa) |
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| 176 | |
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| 177 | ! update water vapour and sulfuric acid |
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| 178 | |
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| 179 | ztrac(:,:,i_h2o) = mrwv(:,:) |
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| 180 | ztrac(:,:,i_h2oliq) = mrtwv(:,:) - ztrac(:,:,i_h2o) |
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| 181 | |
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| 182 | ztrac(:,:,i_h2so4) = mrsa(:,:) |
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| 183 | ztrac(:,:,i_h2so4liq) = mrtsa(:,:) - ztrac(:,:,i_h2so4) |
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| 184 | |
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| 185 | end if ! simplified scheme |
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| 186 | |
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| 187 | !=================================================================== |
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| 188 | ! microphysics: detailed scheme (phd sabrina guilbon) |
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| 189 | !=================================================================== |
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| 190 | |
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| 191 | if (ok_cloud .and. cl_scheme == 2) then |
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| 192 | |
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| 193 | do ilon = 1,nlon |
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| 194 | do ilev = 1, nlev |
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| 195 | if (temp(ilon,ilev) < 500.) then |
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| 196 | call mad_muphy(pdtphys, ! timestep |
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| 197 | $ temp(ilon,ilev),pplay(ilon,ilev), ! temperature and pressure |
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| 198 | $ ztrac(ilon,ilev,i_h2o), |
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| 199 | $ ztrac(ilon,ilev,i_h2so4), |
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| 200 | $ ztrac(ilon,ilev,i_m0_aer), |
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| 201 | $ ztrac(ilon,ilev,i_m3_aer), |
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| 202 | $ ztrac(ilon,ilev,i_m0_mode1drop), |
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| 203 | $ ztrac(ilon,ilev,i_m0_mode1ccn), |
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| 204 | $ ztrac(ilon,ilev,i_m3_mode1sa), |
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| 205 | $ ztrac(ilon,ilev,i_m3_mode1w), |
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| 206 | $ ztrac(ilon,ilev,i_m3_mode1ccn), |
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| 207 | $ ztrac(ilon,ilev,i_m0_mode2drop), |
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| 208 | $ ztrac(ilon,ilev,i_m0_mode2ccn), |
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| 209 | $ ztrac(ilon,ilev,i_m3_mode2sa), |
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| 210 | $ ztrac(ilon,ilev,i_m3_mode2w), |
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| 211 | $ ztrac(ilon,ilev,i_m3_mode2ccn)) |
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| 212 | else |
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| 213 | ztrac(ilon,ilev,i_m0_aer) = 0. |
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| 214 | ztrac(ilon,ilev,i_m3_aer) = 0. |
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| 215 | ztrac(ilon,ilev,i_m0_mode1drop) = 0. |
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| 216 | ztrac(ilon,ilev,i_m0_mode1ccn) = 0. |
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| 217 | ztrac(ilon,ilev,i_m3_mode1sa) = 0. |
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| 218 | ztrac(ilon,ilev,i_m3_mode1w) = 0. |
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| 219 | ztrac(ilon,ilev,i_m3_mode1ccn) = 0. |
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| 220 | ztrac(ilon,ilev,i_m0_mode2drop) = 0. |
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| 221 | ztrac(ilon,ilev,i_m0_mode2ccn) = 0. |
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| 222 | ztrac(ilon,ilev,i_m3_mode2sa) = 0. |
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| 223 | ztrac(ilon,ilev,i_m3_mode2w) = 0. |
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| 224 | ztrac(ilon,ilev,i_m3_mode2ccn) = 0. |
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| 225 | end if |
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| 226 | end do |
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| 227 | end do |
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| 228 | |
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| 229 | end if ! detailed scheme |
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| 230 | |
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| 231 | !=================================================================== |
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| 232 | ! photochemistry |
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| 233 | !=================================================================== |
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| 234 | |
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| 235 | if (ok_chem) then |
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| 236 | |
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| 237 | lon_sun = (0.5 - gmtime)*2.*rpi |
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| 238 | lon_local(:) = lon(:)*rpi/180. |
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| 239 | lat_local(:) = lat(:)*rpi/180. |
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| 240 | |
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| 241 | do ilon = 1,nlon |
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| 242 | |
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| 243 | ! solar zenith angle |
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| 244 | |
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| 245 | sza_local = acos(cos(lat_local(ilon))*cos(lon_local(ilon)) |
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| 246 | $ *cos(lon_sun) + cos(lat_local(ilon)) |
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| 247 | $ *sin(lon_local(ilon))*sin(lon_sun))*180./rpi |
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| 248 | |
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| 249 | call photochemistry_venus(nlev, nlon, pdtphys, |
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| 250 | $ pplay(ilon,:)/100., |
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| 251 | $ temp(ilon,:), |
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| 252 | $ ztrac(ilon,:,:), |
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| 253 | $ mmean(ilon,:), |
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| 254 | $ sza_local, nqmax, iter(ilon,:)) |
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| 255 | |
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| 256 | end do |
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| 257 | |
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| 258 | end if ! ok_chem |
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| 259 | |
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| 260 | !=================================================================== |
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| 261 | ! compute tendencies |
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| 262 | !=================================================================== |
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| 263 | |
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| 264 | ! gas phase |
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| 265 | |
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| 266 | do iq = 1,nqmax - nmicro |
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| 267 | ztrac(:,:,iq) = ztrac(:,:,iq)*m_tr(iq)/mmean(:,:) |
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| 268 | d_tr_chem(:,:,iq) = (ztrac(:,:,iq) - trac(:,:,iq))/pdtphys |
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| 269 | end do |
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| 270 | |
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| 271 | ! liquid phase |
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| 272 | |
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| 273 | if (ok_cloud .and. cl_scheme == 1) then |
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| 274 | ztrac(:,:,i_h2so4liq) = ztrac(:,:,i_h2so4liq)*m_tr(i_h2so4liq) |
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| 275 | $ /mmean(:,:) |
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| 276 | ztrac(:,:,i_h2oliq) = ztrac(:,:,i_h2oliq)*m_tr(i_h2oliq) |
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| 277 | $ /mmean(:,:) |
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| 278 | d_tr_chem(:,:,i_h2so4liq) = (ztrac(:,:,i_h2so4liq) |
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| 279 | $ - trac(:,:,i_h2so4liq))/pdtphys |
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| 280 | d_tr_chem(:,:,i_h2oliq) = (ztrac(:,:,i_h2oliq) |
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| 281 | $ - trac(:,:,i_h2oliq))/pdtphys |
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| 282 | end if |
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| 283 | |
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| 284 | end subroutine phytrac_chimie |
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