| 1 | module generic_cloud_common_h |
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| 2 | |
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| 3 | !============================================================================ |
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| 4 | ! Purpose |
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| 5 | ! ------- |
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| 6 | ! Set up relevant constants and parameters for generic condensable tracers cycles, |
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| 7 | ! and generic condensable tracers cloud properties |
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| 8 | ! |
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| 9 | ! Authors |
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| 10 | ! ------- |
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| 11 | ! Adapted from watercommon_h.F90 |
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| 12 | ! by Lucas Teinturier & Noé Clément (2022) |
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| 13 | !============================================================================ |
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| 14 | |
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| 15 | use comcstfi_mod, only: r, cpp, mugaz |
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| 16 | implicit none |
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| 17 | real, save :: m ! molecular mass of the specie (g/mol) |
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| 18 | real, save :: delta_vapH ! Enthalpy of vaporization (J/mol) |
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| 19 | real,save :: Tref ! Ref temperature for Clausis-Clapeyron (K) |
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| 20 | real,save :: Pref ! Reference pressure for Clausius Clapeyron (Pa) |
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| 21 | real, save :: epsi ! fractionnal molecular mass (m/mugaz) |
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| 22 | real,save :: RLVTT !Latent heat of vaporization (J/kg) |
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| 23 | real,save :: metallicity_coeff ! Coefficient to take into account the metallicity |
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| 24 | contains |
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| 25 | |
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| 26 | subroutine specie_parameters(specname) |
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| 27 | |
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| 28 | implicit none |
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| 29 | |
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| 30 | !============================================================================ |
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| 31 | ! Load the adequate set of parameters for specname |
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| 32 | ! We use Clausius Clapeyron. |
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| 33 | ! Values are based on Vissher (2010) and Morley (2012). |
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| 34 | ! |
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| 35 | ! Also set up few others useful parameters, such as epsi=m/mugaz, RLVTT and |
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| 36 | ! the metallicity_coeff. |
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| 37 | ! Authors |
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| 38 | ! -------- |
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| 39 | ! Lucas Teinturier (2022) |
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| 40 | !============================================================================ |
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| 41 | ! Inputs |
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| 42 | character(*), intent(in) :: specname |
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| 43 | print*,"entree dans specie_parameters avec specname = ",specname |
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| 44 | if (trim(specname) .eq. "Mg") then |
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| 45 | print*,"Loading data for Mg" |
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| 46 | delta_vapH = 521.7E3 !J/mol |
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| 47 | Tref = 2303.0 !K |
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| 48 | Pref = 1.0E5 !in Pa |
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| 49 | m = 140.6931 |
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| 50 | RLVTT = delta_vapH/(m/1000.) |
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| 51 | metallicity_coeff=1.0*log(10.0) |
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| 52 | |
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| 53 | else if (trim(specname) .eq. "Na") then |
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| 54 | print*,"Loading data for Na" |
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| 55 | delta_vapH = 265.9E3 |
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| 56 | Tref = 1624.0 |
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| 57 | Pref = 1.0E5 |
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| 58 | m = 78.04454 !Na2S |
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| 59 | RLVTT = delta_vapH/(m/1000.) |
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| 60 | metallicity_coeff=0.5*log(10.0) |
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| 61 | |
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| 62 | else if (trim(specname) .eq. "Fe") then |
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| 63 | print*,"Loading data for Fe" |
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| 64 | delta_vapH = 401.9E3 |
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| 65 | Tref = 2903.0 |
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| 66 | Pref = 1.0E5 |
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| 67 | m = 55.8450 |
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| 68 | RLVTT = delta_vapH/(m/1000.) |
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| 69 | metallicity_coeff=0.0*log(10.0) |
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| 70 | |
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| 71 | else if (trim(specname) .eq. "Cr") then |
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| 72 | print*,"Loading data for Cr" |
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| 73 | delta_vapH = 394.2E3 |
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| 74 | Tref = 2749.0 |
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| 75 | Pref = 1.0E5 |
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| 76 | m = 51.9961 |
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| 77 | RLVTT = delta_vapH/(m/1000.) |
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| 78 | metallicity_coeff=0.0*log(10.0) |
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| 79 | |
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| 80 | else if (trim(specname) .eq. "KCl") then |
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| 81 | print*,"Loading data for KCl" |
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| 82 | delta_vapH = 217.9E3 |
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| 83 | Tref = 1495.0 |
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| 84 | Pref = 1.0E5 |
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| 85 | metallicity_coeff=0.0*log(10.0) |
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| 86 | m = 74.5498 |
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| 87 | RLVTT = delta_vapH/(m/1000.) |
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| 88 | else if (trim(specname) .eq. "Mn") then |
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| 89 | print*,"Loading data for Mn" |
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| 90 | delta_vapH = 455.8E3 |
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| 91 | Tref = 2064.0 |
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| 92 | Pref = 1.0E5 |
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| 93 | metallicity_coeff=1.0*log(10.0) |
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| 94 | m = 87.003049 |
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| 95 | RLVTT = delta_vapH/(m/1000.) |
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| 96 | else if (trim(specname) .eq. "Zn") then |
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| 97 | print*,"Loading data for Zn" |
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| 98 | delta_vapH = 303.9E3 |
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| 99 | Tref = 1238.0 |
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| 100 | Pref = 1.0E5 |
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| 101 | metallicity_coeff=1.0*log(10.0) |
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| 102 | m = 97.445 |
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| 103 | RLVTT = delta_vapH/(m/1000.) |
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| 104 | else |
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| 105 | print*,"Unknow species (not in Mg, Fe, Na, KCl, Cr, Mn or Zn)" |
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| 106 | endif |
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| 107 | epsi = m/mugaz |
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| 108 | end subroutine specie_parameters |
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| 109 | |
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| 110 | |
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| 111 | subroutine specie_parameters_table(specname) |
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| 112 | use datafile_mod, only: datadir |
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| 113 | implicit none |
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| 114 | !============================================================================ |
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| 115 | ! Load the adequate set of parameters for specname |
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| 116 | ! From a table of traceurs |
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| 117 | ! |
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| 118 | ! Also set up few others useful parameters, such as epsi=m/mugaz, RLVTT and |
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| 119 | ! the metallicity_coeff. |
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| 120 | ! Authors |
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| 121 | ! -------- |
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| 122 | ! Noé Clément (2022) |
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| 123 | !============================================================================ |
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| 124 | |
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| 125 | character(*), intent(in) :: specname |
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| 126 | integer :: ios |
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| 127 | character(len=500):: table_traceurs_line ! table_traceurs_line lines with parameters |
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| 128 | |
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| 129 | open(117,file=trim(datadir)//'/table_tracers_condensable',form='formatted',status='old') |
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| 130 | |
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| 131 | read(117,'(A)') table_traceurs_line |
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| 132 | |
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| 133 | do |
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| 134 | read(117,'(A)', iostat=ios) table_traceurs_line |
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| 135 | |
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| 136 | if (index(table_traceurs_line,specname) /= 0) then |
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| 137 | |
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| 138 | if (index(table_traceurs_line,'delta_vapH=' ) /= 0) then |
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| 139 | read(table_traceurs_line(index(table_traceurs_line,'delta_vapH=')+len('delta_vapH='):),*) delta_vapH |
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| 140 | print*, 'delta_vapH ', delta_vapH |
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| 141 | end if |
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| 142 | if (index(table_traceurs_line,'Tref=' ) /= 0) then |
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| 143 | read(table_traceurs_line(index(table_traceurs_line,'Tref=')+len('Tref='):),*) Tref |
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| 144 | print*, 'Tref', Tref |
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| 145 | end if |
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| 146 | if (index(table_traceurs_line,'Pref=' ) /= 0) then |
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| 147 | read(table_traceurs_line(index(table_traceurs_line,'Pref=')+len('Pref='):),*) Pref |
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| 148 | print*, 'Pref', Pref |
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| 149 | end if |
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| 150 | if (index(table_traceurs_line,'mass=' ) /= 0) then |
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| 151 | read(table_traceurs_line(index(table_traceurs_line,'mass=')+len('mass='):),*) m |
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| 152 | print*, 'mass', m |
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| 153 | end if |
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| 154 | if (index(table_traceurs_line,'metallicity_coeff=' ) /= 0) then |
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| 155 | read(table_traceurs_line(index(table_traceurs_line,'metallicity_coeff=')+len('metallicity_coeff='):),*) metallicity_coeff |
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| 156 | print*, 'metallicity_coeff', metallicity_coeff |
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| 157 | end if |
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| 158 | |
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| 159 | ios=1 |
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| 160 | end if |
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| 161 | |
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| 162 | if (ios /= 0) exit |
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| 163 | |
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| 164 | end do |
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| 165 | |
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| 166 | if (ios .eq. -1) then ! If the file has been read but there is no data on the speci, then we have ios equal to -1 |
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| 167 | |
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| 168 | write(*,*), "ERROR : the following traceur is not referenced in the table_tracers_condensable : ", specname |
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| 169 | |
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| 170 | end if |
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| 171 | |
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| 172 | close(117) |
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| 173 | |
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| 174 | RLVTT=delta_vapH/(m/1000.) |
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| 175 | |
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| 176 | write(*,*) 'RLVTT', RLVTT |
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| 177 | |
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| 178 | epsi = m/mugaz |
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| 179 | |
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| 180 | end subroutine specie_parameters_table |
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| 181 | |
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| 182 | subroutine Psat_generic(T,p,metallicity,psat,qsat) |
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| 183 | IMPLICIT NONE |
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| 184 | !============================================================================ |
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| 185 | ! Clausius-Clapeyron relation : |
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| 186 | ! d(Ln(psat))/dT = delta_vapH/(RT^2) |
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| 187 | ! ->Psat = Pref * exp(-delta_vapH/R*(1/T-1/Tref)) |
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| 188 | ! |
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| 189 | ! Authors |
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| 190 | ! -------- |
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| 191 | ! Lucas Teinturier (2022) adapted from Psat_water of Jeremy Leconte (2012) |
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| 192 | !============================================================================ |
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| 193 | !Inputs |
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| 194 | real, intent(in) :: T, p ! Temperature and pressure of the layer (in K and Pas) |
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| 195 | real, intent(in) :: metallicity ! metallycity (log10) |
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| 196 | !Outputs |
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| 197 | real, intent(out) :: psat,qsat !saturation vapor pressure (Pa) and mass mixing ratio at saturation (kg/kg) of the layer |
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| 198 | |
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| 199 | psat = pref*exp(-delta_vapH/(r*mugaz/1000.)*(1/T-1/Tref)-metallicity_coeff*metallicity) ! in Pa (because pref in Pa) |
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| 200 | |
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| 201 | if (psat .gt. p) then |
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| 202 | qsat = 1. |
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| 203 | else |
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| 204 | qsat = epsi *psat/(p-(1-epsi)*psat) |
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| 205 | endif |
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| 206 | end subroutine Psat_generic |
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| 207 | |
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| 208 | subroutine Lcpdqsat_generic(T,p,psat,qsat,dqsat,dlnpsat) |
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| 209 | implicit none |
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| 210 | |
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| 211 | !=============================================================================== |
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| 212 | ! Compute dqsat = L/cp* d(qsat)/dT and d(Ln(psat)) = L/cp*d(Ln(psat))/dT |
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| 213 | ! we have d(ln(psat))/dT = delta_vapH/R*(1/T^2) for clausius-clapeyron |
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| 214 | ! r*mugaz/1000. is the perfect gaz constant in the computation of "dummy" |
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| 215 | ! Authors |
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| 216 | ! -------- |
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| 217 | ! Lucas Teinturier (2022) adapted from Lcpdqsat_water of Jeremy Leconte (2012) |
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| 218 | !=============================================================================== |
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| 219 | ! Inputs |
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| 220 | real, intent(in) :: T ! Temperature (K) |
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| 221 | real, intent(in) :: p ! Pressure (Pa) |
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| 222 | real, intent(in) :: psat ! Saturation vapor pressure (Pa) |
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| 223 | real, intent(in) :: qsat ! Mass mixing ratio at saturation (kg/kg) |
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| 224 | |
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| 225 | ! Outputs |
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| 226 | real, intent(out) :: dqsat,dlnpsat |
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| 227 | |
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| 228 | ! Variables |
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| 229 | real :: dummy ! used to store d(ln(psat))/dT |
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| 230 | |
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| 231 | dummy = delta_vapH/((r*mugaz/1000.)*(T**2)) |
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| 232 | |
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| 233 | if (psat .gt. p) then |
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| 234 | dqsat =0. |
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| 235 | else |
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| 236 | dqsat = (RLVTT/cpp) *qsat*(p/(p-(1-epsi)*psat))*dummy |
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| 237 | dlnpsat = (RLVTT/cpp) * dummy |
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| 238 | endif |
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| 239 | |
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| 240 | end subroutine Lcpdqsat_generic |
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| 241 | |
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| 242 | end module generic_cloud_common_h |
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