| 1 | !================================================================== |
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| 2 | module radii_mod |
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| 3 | !================================================================== |
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| 4 | ! module to centralize the radii calculations for aerosols |
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| 5 | ! OK for water but should be extended to other aerosols (CO2,...) |
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| 6 | !================================================================== |
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| 7 | |
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| 8 | ! water cloud optical properties |
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| 9 | |
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| 10 | real, save :: rad_h2o |
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| 11 | real, save :: rad_h2o_ice |
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| 12 | real, save :: Nmix_h2o |
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| 13 | real, save :: Nmix_h2o_ice |
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| 14 | real, parameter :: coef_chaud=0.13 |
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| 15 | real, parameter :: coef_froid=0.09 |
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| 16 | |
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| 17 | |
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| 18 | contains |
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| 19 | |
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| 20 | |
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| 21 | !================================================================== |
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| 22 | subroutine su_aer_radii(ngrid,reffrad,nueffrad) |
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| 23 | !================================================================== |
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| 24 | ! Purpose |
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| 25 | ! ------- |
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| 26 | ! Compute the effective radii of liquid and icy water particles |
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| 27 | ! |
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| 28 | ! Authors |
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| 29 | ! ------- |
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| 30 | ! Jeremy Leconte (2012) |
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| 31 | ! |
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| 32 | !================================================================== |
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| 33 | ! to use 'getin' |
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| 34 | use ioipsl_getincom |
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| 35 | use radinc_h, only: naerkind |
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| 36 | use aerosol_mod |
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| 37 | ! USE tracer_h |
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| 38 | Implicit none |
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| 39 | |
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| 40 | #include "callkeys.h" |
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| 41 | #include "dimensions.h" |
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| 42 | #include "dimphys.h" |
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| 43 | |
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| 44 | integer,intent(in) :: ngrid |
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| 45 | |
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| 46 | real, intent(out) :: reffrad(ngrid,nlayermx,naerkind) !aerosols radii (K) |
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| 47 | real, intent(out) :: nueffrad(ngrid,nlayermx,naerkind) !variance |
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| 48 | |
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| 49 | logical, save :: firstcall=.true. |
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| 50 | integer :: iaer |
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| 51 | |
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| 52 | print*,'enter su_aer_radii' |
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| 53 | do iaer=1,naerkind |
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| 54 | ! these values will change once the microphysics gets to work |
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| 55 | ! UNLESS tracer=.false., in which case we should be working with |
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| 56 | ! a fixed aerosol layer, and be able to define reffrad in a |
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| 57 | ! .def file. To be improved! |
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| 58 | |
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| 59 | if(iaer.eq.iaero_co2)then ! CO2 ice |
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| 60 | reffrad(1:ngrid,1:nlayermx,iaer) = 1.e-4 |
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| 61 | nueffrad(1:ngrid,1:nlayermx,iaer) = 0.1 |
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| 62 | endif |
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| 63 | |
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| 64 | if(iaer.eq.iaero_h2o)then ! H2O ice |
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| 65 | reffrad(1:ngrid,1:nlayermx,iaer) = 1.e-5 |
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| 66 | nueffrad(1:ngrid,1:nlayermx,iaer) = 0.1 |
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| 67 | endif |
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| 68 | |
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| 69 | if(iaer.eq.iaero_dust)then ! dust |
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| 70 | reffrad(1:ngrid,1:nlayermx,iaer) = 1.e-5 |
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| 71 | nueffrad(1:ngrid,1:nlayermx,iaer) = 0.1 |
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| 72 | endif |
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| 73 | |
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| 74 | if(iaer.eq.iaero_h2so4)then ! H2O ice |
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| 75 | reffrad(1:ngrid,1:nlayermx,iaer) = 1.e-6 |
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| 76 | nueffrad(1:ngrid,1:nlayermx,iaer) = 0.1 |
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| 77 | endif |
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| 78 | |
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| 79 | if(iaer.gt.4)then |
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| 80 | print*,'Error in callcorrk, naerkind is too high (>4).' |
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| 81 | print*,'The code still needs generalisation to arbitrary' |
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| 82 | print*,'aerosol kinds and number.' |
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| 83 | call abort |
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| 84 | endif |
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| 85 | |
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| 86 | enddo |
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| 87 | |
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| 88 | |
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| 89 | if (radfixed) then |
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| 90 | |
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| 91 | write(*,*)"radius of H2O water particles:" |
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| 92 | rad_h2o=13. ! default value |
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| 93 | call getin("rad_h2o",rad_h2o) |
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| 94 | write(*,*)" rad_h2o = ",rad_h2o |
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| 95 | |
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| 96 | write(*,*)"radius of H2O ice particles:" |
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| 97 | rad_h2o_ice=35. ! default value |
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| 98 | call getin("rad_h2o_ice",rad_h2o_ice) |
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| 99 | write(*,*)" rad_h2o_ice = ",rad_h2o_ice |
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| 100 | |
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| 101 | else |
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| 102 | |
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| 103 | write(*,*)"Number mixing ratio of H2O water particles:" |
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| 104 | Nmix_h2o=1.e6 ! default value |
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| 105 | call getin("Nmix_h2o",Nmix_h2o) |
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| 106 | write(*,*)" Nmix_h2o = ",Nmix_h2o |
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| 107 | |
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| 108 | write(*,*)"Number mixing ratio of H2O ice particles:" |
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| 109 | Nmix_h2o_ice=Nmix_h2o ! default value |
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| 110 | call getin("Nmix_h2o_ice",Nmix_h2o_ice) |
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| 111 | write(*,*)" Nmix_h2o_ice = ",Nmix_h2o_ice |
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| 112 | endif |
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| 113 | |
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| 114 | print*,'exit su_aer_radii' |
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| 115 | |
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| 116 | end subroutine su_aer_radii |
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| 117 | !================================================================== |
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| 118 | |
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| 119 | |
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| 120 | !================================================================== |
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| 121 | subroutine h2o_reffrad(ngrid,pq,pt,reffrad,nueffrad) |
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| 122 | !================================================================== |
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| 123 | ! Purpose |
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| 124 | ! ------- |
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| 125 | ! Compute the effective radii of liquid and icy water particles |
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| 126 | ! |
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| 127 | ! Authors |
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| 128 | ! ------- |
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| 129 | ! Jeremy Leconte (2012) |
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| 130 | ! |
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| 131 | !================================================================== |
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| 132 | use watercommon_h, Only: T_h2O_ice_liq,T_h2O_ice_clouds,rhowater,rhowaterice |
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| 133 | Implicit none |
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| 134 | |
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| 135 | #include "callkeys.h" |
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| 136 | #include "dimensions.h" |
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| 137 | #include "dimphys.h" |
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| 138 | #include "comcstfi.h" |
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| 139 | |
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| 140 | integer,intent(in) :: ngrid |
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| 141 | |
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| 142 | real, intent(in) :: pq(ngrid,nlayermx) !water ice mixing ratios (kg/kg) |
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| 143 | real, intent(in) :: pt(ngrid,nlayermx) !temperature (K) |
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| 144 | real, intent(out) :: reffrad(ngrid,nlayermx) !aerosol radii |
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| 145 | real, intent(out) :: nueffrad(ngrid,nlayermx) ! dispersion |
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| 146 | |
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| 147 | integer :: ig,l |
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| 148 | real zfice ,zrad,zrad_liq,zrad_ice |
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| 149 | real,external :: CBRT |
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| 150 | |
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| 151 | |
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| 152 | if (radfixed) then |
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| 153 | do l=1,nlayermx |
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| 154 | do ig=1,ngrid |
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| 155 | zfice = 1.0 - (pt(ig,l)-T_h2O_ice_clouds) / (T_h2O_ice_liq-T_h2O_ice_clouds) |
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| 156 | zfice = MIN(MAX(zfice,0.0),1.0) |
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| 157 | reffrad(ig,l)= rad_h2o * (1.-zfice) + rad_h2o_ice * zfice |
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| 158 | nueffrad(ig,l) = coef_chaud * (1.-zfice) + coef_froid * zfice |
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| 159 | enddo |
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| 160 | enddo |
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| 161 | else |
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| 162 | do l=1,nlayermx |
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| 163 | do ig=1,ngrid |
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| 164 | zfice = 1.0 - (pt(ig,l)-T_h2O_ice_clouds) / (T_h2O_ice_liq-T_h2O_ice_clouds) |
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| 165 | zfice = MIN(MAX(zfice,0.0),1.0) |
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| 166 | zrad_liq = CBRT( 3*pq(ig,l)/(4*Nmix_h2o*pi*rhowater) ) |
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| 167 | zrad_ice = CBRT( 3*pq(ig,l)/(4*Nmix_h2o_ice*pi*rhowaterice) ) |
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| 168 | nueffrad(ig,l) = coef_chaud * (1.-zfice) + coef_froid * zfice |
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| 169 | zrad = zrad_liq * (1.-zfice) + zrad_ice * zfice |
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| 170 | |
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| 171 | reffrad(ig,l) = min(max(zrad,1.e-6),1000.e-6) |
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| 172 | enddo |
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| 173 | enddo |
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| 174 | end if |
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| 175 | |
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| 176 | end subroutine h2o_reffrad |
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| 177 | !================================================================== |
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| 178 | |
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| 179 | |
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| 180 | !================================================================== |
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| 181 | subroutine h2o_cloudrad(ngrid,pql,reffliq,reffice) |
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| 182 | !================================================================== |
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| 183 | ! Purpose |
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| 184 | ! ------- |
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| 185 | ! Compute the effective radii of liquid and icy water particles |
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| 186 | ! |
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| 187 | ! Authors |
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| 188 | ! ------- |
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| 189 | ! Jeremy Leconte (2012) |
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| 190 | ! |
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| 191 | !================================================================== |
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| 192 | use watercommon_h, Only: rhowater,rhowaterice |
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| 193 | Implicit none |
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| 194 | |
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| 195 | #include "callkeys.h" |
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| 196 | #include "dimensions.h" |
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| 197 | #include "dimphys.h" |
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| 198 | #include "comcstfi.h" |
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| 199 | |
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| 200 | integer,intent(in) :: ngrid |
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| 201 | |
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| 202 | real, intent(in) :: pql(ngrid,nlayermx) !condensed water mixing ratios (kg/kg) |
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| 203 | real, intent(out) :: reffliq(ngrid,nlayermx),reffice(ngrid,nlayermx) !liquid and ice water particle radii (K) |
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| 204 | |
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| 205 | real,external :: CBRT |
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| 206 | |
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| 207 | |
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| 208 | if (radfixed) then |
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| 209 | reffliq(1:ngrid,1:nlayermx)= rad_h2o |
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| 210 | reffice(1:ngrid,1:nlayermx)= rad_h2o_ice |
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| 211 | else |
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| 212 | reffliq(1:ngrid,1:nlayermx) = CBRT( 3*pql(1:ngrid,1:nlayermx)/(4*Nmix_h2o*pi*rhowater) ) |
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| 213 | reffliq(1:ngrid,1:nlayermx) = min(max(reffliq(1:ngrid,1:nlayermx),1.e-6),1000.e-6) |
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| 214 | reffice(1:ngrid,1:nlayermx) = CBRT( 3*pql(1:ngrid,1:nlayermx)/(4*Nmix_h2o_ice*pi*rhowaterice) ) |
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| 215 | reffice(1:ngrid,1:nlayermx) = min(max(reffice(1:ngrid,1:nlayermx),1.e-6),1000.e-6) |
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| 216 | end if |
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| 217 | |
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| 218 | end subroutine h2o_cloudrad |
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| 219 | !================================================================== |
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| 220 | |
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| 221 | |
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| 222 | |
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| 223 | !================================================================== |
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| 224 | subroutine co2_reffrad(ngrid,nq,pq,reffrad) |
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| 225 | !================================================================== |
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| 226 | ! Purpose |
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| 227 | ! ------- |
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| 228 | ! Compute the effective radii of co2 ice particles |
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| 229 | ! |
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| 230 | ! Authors |
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| 231 | ! ------- |
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| 232 | ! Jeremy Leconte (2012) |
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| 233 | ! |
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| 234 | !================================================================== |
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| 235 | USE tracer_h, only:igcm_co2_ice,rho_co2 |
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| 236 | Implicit none |
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| 237 | |
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| 238 | #include "callkeys.h" |
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| 239 | #include "dimensions.h" |
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| 240 | #include "dimphys.h" |
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| 241 | #include "comcstfi.h" |
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| 242 | |
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| 243 | integer,intent(in) :: ngrid,nq |
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| 244 | |
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| 245 | real, intent(in) :: pq(ngrid,nlayermx,nq) !tracer mixing ratios (kg/kg) |
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| 246 | real, intent(out) :: reffrad(ngrid,nlayermx) !co2 ice particles radii (K) |
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| 247 | |
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| 248 | integer :: ig,l |
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| 249 | real :: zrad |
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| 250 | real,external :: CBRT |
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| 251 | |
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| 252 | |
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| 253 | |
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| 254 | if (radfixed) then |
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| 255 | reffrad(1:ngrid,1:nlayermx) = 5.e-5 ! CO2 ice |
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| 256 | else |
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| 257 | do l=1,nlayermx |
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| 258 | do ig=1,ngrid |
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| 259 | zrad = CBRT( 3*pq(ig,l,igcm_co2_ice)/(4*Nmix_co2*pi*rho_co2) ) |
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| 260 | reffrad(ig,l) = min(max(zrad,1.e-6),100.e-6) |
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| 261 | enddo |
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| 262 | enddo |
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| 263 | end if |
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| 264 | |
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| 265 | end subroutine co2_reffrad |
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| 266 | !================================================================== |
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| 267 | |
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| 268 | |
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| 269 | |
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| 270 | !================================================================== |
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| 271 | subroutine dust_reffrad(ngrid,reffrad) |
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| 272 | !================================================================== |
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| 273 | ! Purpose |
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| 274 | ! ------- |
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| 275 | ! Compute the effective radii of dust particles |
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| 276 | ! |
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| 277 | ! Authors |
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| 278 | ! ------- |
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| 279 | ! Jeremy Leconte (2012) |
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| 280 | ! |
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| 281 | !================================================================== |
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| 282 | Implicit none |
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| 283 | |
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| 284 | #include "callkeys.h" |
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| 285 | #include "dimensions.h" |
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| 286 | #include "dimphys.h" |
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| 287 | |
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| 288 | integer,intent(in) :: ngrid |
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| 289 | |
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| 290 | real, intent(out) :: reffrad(ngrid,nlayermx) !dust particles radii (K) |
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| 291 | |
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| 292 | reffrad(1:ngrid,1:nlayermx) = 2.e-6 ! dust |
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| 293 | |
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| 294 | end subroutine dust_reffrad |
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| 295 | !================================================================== |
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| 296 | |
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| 297 | |
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| 298 | !================================================================== |
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| 299 | subroutine h2so4_reffrad(ngrid,reffrad) |
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| 300 | !================================================================== |
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| 301 | ! Purpose |
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| 302 | ! ------- |
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| 303 | ! Compute the effective radii of h2so4 particles |
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| 304 | ! |
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| 305 | ! Authors |
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| 306 | ! ------- |
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| 307 | ! Jeremy Leconte (2012) |
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| 308 | ! |
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| 309 | !================================================================== |
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| 310 | Implicit none |
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| 311 | |
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| 312 | #include "callkeys.h" |
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| 313 | #include "dimensions.h" |
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| 314 | #include "dimphys.h" |
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| 315 | |
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| 316 | integer,intent(in) :: ngrid |
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| 317 | |
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| 318 | real, intent(out) :: reffrad(ngrid,nlayermx) !h2so4 particle radii (K) |
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| 319 | |
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| 320 | reffrad(1:ngrid,1:nlayermx) = 1.e-6 ! h2so4 |
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| 321 | |
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| 322 | end subroutine h2so4_reffrad |
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| 323 | !================================================================== |
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| 324 | |
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| 325 | |
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| 326 | |
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| 327 | end module radii_mod |
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| 328 | !================================================================== |
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