| 1 | module jthermcalc_util |
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| 2 | |
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| 3 | implicit none |
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| 4 | |
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| 5 | contains |
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| 6 | |
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| 7 | c********************************************************************** |
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| 8 | c********************************************************************** |
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| 9 | |
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| 10 | subroutine column(ig,nlayer,chemthermod,rm,nesptherm,tx,iz,zenit, |
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| 11 | $ co2colx,o2colx,o3pcolx,h2colx,h2ocolx,h2o2colx,o3colx, |
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| 12 | $ n2colx,ncolx,nocolx,cocolx,hcolx,no2colx) |
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| 13 | |
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| 14 | c nov 2002 fgg first version |
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| 15 | |
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| 16 | c********************************************************************** |
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| 17 | |
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| 18 | use tracer_mod, only: igcm_o, igcm_co2, igcm_o2, igcm_h2, |
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| 19 | & igcm_h2o_vap, igcm_h2o2, igcm_co, igcm_h, |
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| 20 | & igcm_o3, igcm_n2, igcm_n, igcm_no, igcm_no2, |
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| 21 | & mmol |
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| 22 | use param_v4_h, only: radio,gg,masa,kboltzman,n_avog |
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| 23 | |
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| 24 | implicit none |
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| 25 | |
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| 26 | |
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| 27 | c local parameters and variables |
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| 28 | |
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| 29 | |
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| 30 | |
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| 31 | c input and output variables |
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| 32 | |
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| 33 | integer ig,nlayer |
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| 34 | integer chemthermod |
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| 35 | integer nesptherm !# of species undergoing chemistry, input |
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| 36 | real rm(nlayer,nesptherm) !densities (cm-3), input |
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| 37 | real tx(nlayer) !temperature profile, input |
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| 38 | real iz(nlayer+1) !height profile, input |
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| 39 | real zenit !SZA, input |
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| 40 | real co2colx(nlayer) !column density of CO2 (cm^-2), output |
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| 41 | real o2colx(nlayer) !column density of O2(cm^-2), output |
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| 42 | real o3pcolx(nlayer) !column density of O(3P)(cm^-2), output |
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| 43 | real h2colx(nlayer) !H2 column density (cm-2), output |
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| 44 | real h2ocolx(nlayer) !H2O column density (cm-2), output |
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| 45 | real h2o2colx(nlayer) !column density of H2O2(cm^-2), output |
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| 46 | real o3colx(nlayer) !O3 column density (cm-2), output |
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| 47 | real n2colx(nlayer) !N2 column density (cm-2), output |
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| 48 | real ncolx(nlayer) !N column density (cm-2), output |
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| 49 | real nocolx(nlayer) !NO column density (cm-2), output |
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| 50 | real cocolx(nlayer) !CO column density (cm-2), output |
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| 51 | real hcolx(nlayer) !H column density (cm-2), output |
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| 52 | real no2colx(nlayer) !NO2 column density (cm-2), output |
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| 53 | |
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| 54 | |
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| 55 | c local variables |
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| 56 | |
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| 57 | real xx |
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| 58 | real grav(nlayer) |
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| 59 | real Hco2,Ho3p,Ho2,Hh2,Hh2o,Hh2o2 |
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| 60 | real Ho3,Hn2,Hn,Hno,Hco,Hh,Hno2 |
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| 61 | |
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| 62 | real co2x(nlayer) |
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| 63 | real o2x(nlayer) |
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| 64 | real o3px(nlayer) |
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| 65 | real cox(nlayer) |
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| 66 | real hx(nlayer) |
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| 67 | real h2x(nlayer) |
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| 68 | real h2ox(nlayer) |
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| 69 | real h2o2x(nlayer) |
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| 70 | real o3x(nlayer) |
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| 71 | real n2x(nlayer) |
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| 72 | real nx(nlayer) |
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| 73 | real nox(nlayer) |
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| 74 | real no2x(nlayer) |
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| 75 | |
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| 76 | integer i,j,k,icol,indexint !indexes |
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| 77 | |
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| 78 | c variables for optical path calculation |
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| 79 | |
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| 80 | integer nz3 |
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| 81 | ! parameter (nz3=nz*2) |
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| 82 | |
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| 83 | integer jj |
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| 84 | real*8 esp(nlayer*2) |
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| 85 | real*8 ilayesp(nlayer*2) |
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| 86 | real*8 szalayesp(nlayer*2) |
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| 87 | integer nlayesp |
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| 88 | real*8 zmini |
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| 89 | real*8 depth |
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| 90 | real*8 espco2, espo2, espo3p, esph2, esph2o, esph2o2,espo3 |
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| 91 | real*8 espn2,espn,espno,espco,esph,espno2 |
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| 92 | real*8 rcmnz, rcmmini |
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| 93 | real*8 szadeg |
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| 94 | |
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| 95 | |
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| 96 | ! Tracer indexes in the thermospheric chemistry: |
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| 97 | !!! ATTENTION. These values have to be identical to those in chemthermos.F90 |
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| 98 | !!! If the values are changed there, the same has to be done here !!! |
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| 99 | integer,parameter :: i_co2 = 1 |
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| 100 | integer,parameter :: i_co = 2 |
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| 101 | integer,parameter :: i_o = 3 |
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| 102 | integer,parameter :: i_o1d = 4 |
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| 103 | integer,parameter :: i_o2 = 5 |
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| 104 | integer,parameter :: i_o3 = 6 |
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| 105 | integer,parameter :: i_h = 7 |
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| 106 | integer,parameter :: i_h2 = 8 |
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| 107 | integer,parameter :: i_oh = 9 |
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| 108 | integer,parameter :: i_ho2 = 10 |
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| 109 | integer,parameter :: i_h2o2 = 11 |
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| 110 | integer,parameter :: i_h2o = 12 |
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| 111 | integer,parameter :: i_n = 13 |
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| 112 | integer,parameter :: i_n2d = 14 |
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| 113 | integer,parameter :: i_no = 15 |
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| 114 | integer,parameter :: i_no2 = 16 |
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| 115 | integer,parameter :: i_n2 = 17 |
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| 116 | ! integer,parameter :: i_co2=1 |
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| 117 | ! integer,parameter :: i_o2=2 |
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| 118 | ! integer,parameter :: i_o=3 |
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| 119 | ! integer,parameter :: i_co=4 |
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| 120 | ! integer,parameter :: i_h=5 |
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| 121 | ! integer,parameter :: i_h2=8 |
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| 122 | ! integer,parameter :: i_h2o=9 |
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| 123 | ! integer,parameter :: i_h2o2=10 |
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| 124 | ! integer,parameter :: i_o3=12 |
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| 125 | ! integer,parameter :: i_n2=13 |
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| 126 | ! integer,parameter :: i_n=14 |
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| 127 | ! integer,parameter :: i_no=15 |
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| 128 | ! integer,parameter :: i_no2=17 |
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| 129 | |
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| 130 | |
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| 131 | c*************************PROGRAM STARTS******************************* |
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| 132 | |
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| 133 | nz3 = nlayer*2 |
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| 134 | do i=1,nlayer |
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| 135 | xx = ( radio + iz(i) ) * 1.e5 |
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| 136 | grav(i) = gg * masa /(xx**2) |
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| 137 | end do |
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| 138 | |
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| 139 | !Scale heights |
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| 140 | xx = kboltzman * tx(nlayer) * n_avog / grav(nlayer) |
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| 141 | Ho3p = xx / mmol(igcm_o) |
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| 142 | Hco2 = xx / mmol(igcm_co2) |
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| 143 | Ho2 = xx / mmol(igcm_o2) |
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| 144 | Hh2 = xx / mmol(igcm_h2) |
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| 145 | Hh2o = xx / mmol(igcm_h2o_vap) |
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| 146 | Hh2o2 = xx / mmol(igcm_h2o2) |
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| 147 | Hco = xx / mmol(igcm_co) |
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| 148 | Hh = xx / mmol(igcm_h) |
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| 149 | !Only if O3 chem. required |
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| 150 | if(chemthermod.ge.1) |
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| 151 | $ Ho3 = xx / mmol(igcm_o3) |
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| 152 | !Only if N or ion chem. |
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| 153 | if(chemthermod.ge.2) then |
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| 154 | Hn2 = xx / mmol(igcm_n2) |
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| 155 | Hn = xx / mmol(igcm_n) |
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| 156 | Hno = xx / mmol(igcm_no) |
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| 157 | Hno2 = xx / mmol(igcm_no2) |
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| 158 | endif |
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| 159 | ! first loop in altitude : initialisation |
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| 160 | do i=nlayer,1,-1 |
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| 161 | !Column initialisation |
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| 162 | co2colx(i) = 0. |
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| 163 | o2colx(i) = 0. |
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| 164 | o3pcolx(i) = 0. |
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| 165 | h2colx(i) = 0. |
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| 166 | h2ocolx(i) = 0. |
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| 167 | h2o2colx(i) = 0. |
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| 168 | o3colx(i) = 0. |
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| 169 | n2colx(i) = 0. |
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| 170 | ncolx(i) = 0. |
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| 171 | nocolx(i) = 0. |
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| 172 | cocolx(i) = 0. |
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| 173 | hcolx(i) = 0. |
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| 174 | no2colx(i) = 0. |
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| 175 | !Densities |
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| 176 | co2x(i) = rm(i,i_co2) |
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| 177 | o2x(i) = rm(i,i_o2) |
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| 178 | o3px(i) = rm(i,i_o) |
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| 179 | h2x(i) = rm(i,i_h2) |
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| 180 | h2ox(i) = rm(i,i_h2o) |
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| 181 | h2o2x(i) = rm(i,i_h2o2) |
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| 182 | cox(i) = rm(i,i_co) |
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| 183 | hx(i) = rm(i,i_h) |
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| 184 | !Only if O3 chem. required |
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| 185 | if(chemthermod.ge.1) |
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| 186 | $ o3x(i) = rm(i,i_o3) |
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| 187 | !Only if Nitrogen of ion chemistry requested |
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| 188 | if(chemthermod.ge.2) then |
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| 189 | n2x(i) = rm(i,i_n2) |
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| 190 | nx(i) = rm(i,i_n) |
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| 191 | nox(i) = rm(i,i_no) |
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| 192 | no2x(i) = rm(i,i_no2) |
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| 193 | endif |
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| 194 | enddo |
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| 195 | ! second loop in altitude : column calculations |
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| 196 | do i=nlayer,1,-1 |
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| 197 | !Routine to calculate the geometrical length of each layer |
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| 198 | call espesor_optico_A(ig,i,nlayer,zenit,iz(i),nz3,iz,esp, |
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| 199 | $ ilayesp,szalayesp,nlayesp, zmini) |
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| 200 | if(ilayesp(nlayesp).eq.-1) then |
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| 201 | co2colx(i)=1.e25 |
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| 202 | o2colx(i)=1.e25 |
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| 203 | o3pcolx(i)=1.e25 |
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| 204 | h2colx(i)=1.e25 |
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| 205 | h2ocolx(i)=1.e25 |
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| 206 | h2o2colx(i)=1.e25 |
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| 207 | o3colx(i)=1.e25 |
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| 208 | n2colx(i)=1.e25 |
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| 209 | ncolx(i)=1.e25 |
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| 210 | nocolx(i)=1.e25 |
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| 211 | cocolx(i)=1.e25 |
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| 212 | hcolx(i)=1.e25 |
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| 213 | no2colx(i)=1.e25 |
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| 214 | else |
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| 215 | rcmnz = ( radio + iz(nlayer) ) * 1.e5 |
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| 216 | rcmmini = ( radio + zmini ) * 1.e5 |
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| 217 | !Column calculation taking into account the geometrical depth |
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| 218 | !calculated before |
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| 219 | do j=1,nlayesp |
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| 220 | jj=ilayesp(j) |
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| 221 | !Top layer |
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| 222 | if(jj.eq.nlayer) then |
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| 223 | if(zenit.le.60.) then |
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| 224 | o3pcolx(i)=o3pcolx(i)+o3px(nlayer)*Ho3p*esp(j) |
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| 225 | $ *1.e-5 |
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| 226 | co2colx(i)=co2colx(i)+co2x(nlayer)*Hco2*esp(j) |
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| 227 | $ *1.e-5 |
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| 228 | h2o2colx(i)=h2o2colx(i)+ |
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| 229 | $ h2o2x(nlayer)*Hh2o2*esp(j)*1.e-5 |
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| 230 | o2colx(i)=o2colx(i)+o2x(nlayer)*Ho2*esp(j) |
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| 231 | $ *1.e-5 |
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| 232 | h2colx(i)=h2colx(i)+h2x(nlayer)*Hh2*esp(j) |
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| 233 | $ *1.e-5 |
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| 234 | h2ocolx(i)=h2ocolx(i)+h2ox(nlayer)*Hh2o*esp(j) |
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| 235 | $ *1.e-5 |
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| 236 | cocolx(i)=cocolx(i)+cox(nlayer)*Hco*esp(j) |
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| 237 | $ *1.e-5 |
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| 238 | hcolx(i)=hcolx(i)+hx(nlayer)*Hh*esp(j) |
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| 239 | $ *1.e-5 |
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| 240 | !Only if O3 chemistry required |
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| 241 | if(chemthermod.ge.1) o3colx(i)= |
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| 242 | $ o3colx(i)+o3x(nlayer)*Ho3*esp(j) |
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| 243 | $ *1.e-5 |
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| 244 | !Only if N or ion chemistry requested |
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| 245 | if(chemthermod.ge.2) then |
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| 246 | n2colx(i)=n2colx(i)+n2x(nlayer)*Hn2*esp(j) |
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| 247 | $ *1.e-5 |
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| 248 | ncolx(i)=ncolx(i)+nx(nlayer)*Hn*esp(j) |
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| 249 | $ *1.e-5 |
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| 250 | nocolx(i)=nocolx(i)+nox(nlayer)*Hno*esp(j) |
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| 251 | $ *1.e-5 |
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| 252 | no2colx(i)=no2colx(i)+no2x(nlayer)*Hno2*esp(j) |
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| 253 | $ *1.e-5 |
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| 254 | endif |
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| 255 | else if(zenit.gt.60.) then |
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| 256 | espco2 =sqrt((rcmnz+Hco2)**2 -rcmmini**2) - esp(j) |
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| 257 | espo2 = sqrt((rcmnz+Ho2)**2 -rcmmini**2) - esp(j) |
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| 258 | espo3p = sqrt((rcmnz+Ho3p)**2 -rcmmini**2)- esp(j) |
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| 259 | esph2 = sqrt((rcmnz+Hh2)**2 -rcmmini**2) - esp(j) |
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| 260 | esph2o = sqrt((rcmnz+Hh2o)**2 -rcmmini**2)- esp(j) |
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| 261 | esph2o2= sqrt((rcmnz+Hh2o2)**2-rcmmini**2)- esp(j) |
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| 262 | espco = sqrt((rcmnz+Hco)**2 -rcmmini**2) - esp(j) |
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| 263 | esph = sqrt((rcmnz+Hh)**2 -rcmmini**2) - esp(j) |
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| 264 | !Only if O3 chemistry required |
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| 265 | if(chemthermod.ge.1) |
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| 266 | $ espo3=sqrt((rcmnz+Ho3)**2-rcmmini**2)-esp(j) |
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| 267 | !Only if N or ion chemistry requested |
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| 268 | if(chemthermod.ge.2) then |
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| 269 | espn2 =sqrt((rcmnz+Hn2)**2-rcmmini**2)-esp(j) |
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| 270 | espn =sqrt((rcmnz+Hn)**2-rcmmini**2) - esp(j) |
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| 271 | espno =sqrt((rcmnz+Hno)**2-rcmmini**2) - esp(j) |
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| 272 | espno2=sqrt((rcmnz+Hno2)**2-rcmmini**2)- esp(j) |
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| 273 | endif |
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| 274 | co2colx(i) = co2colx(i) + espco2*co2x(nlayer) |
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| 275 | o2colx(i) = o2colx(i) + espo2*o2x(nlayer) |
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| 276 | o3pcolx(i) = o3pcolx(i) + espo3p*o3px(nlayer) |
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| 277 | h2colx(i) = h2colx(i) + esph2*h2x(nlayer) |
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| 278 | h2ocolx(i) = h2ocolx(i) + esph2o*h2ox(nlayer) |
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| 279 | h2o2colx(i)= h2o2colx(i)+ esph2o2*h2o2x(nlayer) |
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| 280 | cocolx(i) = cocolx(i) + espco*cox(nlayer) |
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| 281 | hcolx(i) = hcolx(i) + esph*hx(nlayer) |
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| 282 | !Only if O3 chemistry required |
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| 283 | if(chemthermod.ge.1) |
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| 284 | $ o3colx(i) = o3colx(i) + espo3*o3x(nlayer) |
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| 285 | !Only if N or ion chemistry requested |
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| 286 | if(chemthermod.ge.2) then |
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| 287 | n2colx(i) = n2colx(i) + espn2*n2x(nlayer) |
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| 288 | ncolx(i) = ncolx(i) + espn*nx(nlayer) |
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| 289 | nocolx(i) = nocolx(i) + espno*nox(nlayer) |
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| 290 | no2colx(i) = no2colx(i) + espno2*no2x(nlayer) |
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| 291 | endif |
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| 292 | endif !Of if zenit.lt.60 |
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| 293 | !Other layers |
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| 294 | else |
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| 295 | co2colx(i) = co2colx(i) + |
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| 296 | $ esp(j) * (co2x(jj)+co2x(jj+1)) / 2. |
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| 297 | o2colx(i) = o2colx(i) + |
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| 298 | $ esp(j) * (o2x(jj)+o2x(jj+1)) / 2. |
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| 299 | o3pcolx(i) = o3pcolx(i) + |
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| 300 | $ esp(j) * (o3px(jj)+o3px(jj+1)) / 2. |
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| 301 | h2colx(i) = h2colx(i) + |
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| 302 | $ esp(j) * (h2x(jj)+h2x(jj+1)) / 2. |
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| 303 | h2ocolx(i) = h2ocolx(i) + |
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| 304 | $ esp(j) * (h2ox(jj)+h2ox(jj+1)) / 2. |
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| 305 | h2o2colx(i) = h2o2colx(i) + |
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| 306 | $ esp(j) * (h2o2x(jj)+h2o2x(jj+1)) / 2. |
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| 307 | cocolx(i) = cocolx(i) + |
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| 308 | $ esp(j) * (cox(jj)+cox(jj+1)) / 2. |
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| 309 | hcolx(i) = hcolx(i) + |
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| 310 | $ esp(j) * (hx(jj)+hx(jj+1)) / 2. |
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| 311 | !Only if O3 chemistry required |
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| 312 | if(chemthermod.ge.1) |
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| 313 | $ o3colx(i) = o3colx(i) + |
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| 314 | $ esp(j) * (o3x(jj)+o3x(jj+1)) / 2. |
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| 315 | !Only if N or ion chemistry requested |
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| 316 | if(chemthermod.ge.2) then |
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| 317 | n2colx(i) = n2colx(i) + |
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| 318 | $ esp(j) * (n2x(jj)+n2x(jj+1)) / 2. |
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| 319 | ncolx(i) = ncolx(i) + |
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| 320 | $ esp(j) * (nx(jj)+nx(jj+1)) / 2. |
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| 321 | nocolx(i) = nocolx(i) + |
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| 322 | $ esp(j) * (nox(jj)+nox(jj+1)) / 2. |
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| 323 | no2colx(i) = no2colx(i) + |
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| 324 | $ esp(j) * (no2x(jj)+no2x(jj+1)) / 2. |
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| 325 | endif |
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| 326 | endif !Of if jj.eq.nlayer |
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| 327 | end do !Of do j=1,nlayesp |
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| 328 | endif !Of ilayesp(nlayesp).eq.-1 |
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| 329 | enddo !Of do i=nlayer,1,-1 |
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| 330 | |
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| 331 | |
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| 332 | end subroutine column |
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| 333 | |
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| 334 | |
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| 335 | c********************************************************************** |
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| 336 | c********************************************************************** |
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| 337 | |
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| 338 | subroutine interfast(wm,wp,nm,p,nlayer,pin,nl,limdown,limup) |
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| 339 | C |
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| 340 | C subroutine to perform linear interpolation in pressure from 1D profile |
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| 341 | C escin(nl) sampled on pressure grid pin(nl) to profile |
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| 342 | C escout(nlayer) on pressure grid p(nlayer). |
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| 343 | C |
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| 344 | real*8,intent(out) :: wm(nlayer),wp(nlayer) ! interpolation weights |
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| 345 | integer,intent(out) :: nm(nlayer) ! index of nearest point |
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| 346 | real*8,intent(in) :: pin(nl),p(nlayer) |
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| 347 | real*8,intent(in) :: limup,limdown |
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| 348 | integer,intent(in) :: nl,nlayer |
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| 349 | integer :: n1,n,np,nini |
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| 350 | logical,parameter :: extra_sanity_checks=.false. |
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| 351 | |
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| 352 | ! Added sanity check: is input p(:) indeed monotonically increasing? |
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| 353 | if (extra_sanity_checks) then |
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| 354 | do nini=1,nlayer-1 |
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| 355 | if (p(nini).gt.p(nini+1)) then |
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| 356 | write(*,*) "possible interfast issue, nini=",nini |
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| 357 | write(*,*) "p(nini)=",p(nini),"> p(nini+1)=",p(nini+1) |
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| 358 | endif |
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| 359 | enddo |
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| 360 | endif ! of if (extra_sanity_checks) |
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| 361 | |
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| 362 | nini=1 |
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| 363 | do n1=1,nlayer |
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| 364 | if(p(n1) .gt. limup .or. p(n1) .lt. limdown) then |
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| 365 | wm(n1) = 0.d0 |
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| 366 | wp(n1) = 0.d0 |
|---|
| 367 | else |
|---|
| 368 | do n = nini,nl-1 |
|---|
| 369 | if (p(n1).ge.pin(n).and.p(n1).le.pin(n+1)) then |
|---|
| 370 | nm(n1)=n |
|---|
| 371 | np=n+1 |
|---|
| 372 | wm(n1)=abs(pin(n)-p(n1))/(pin(np)-pin(n)) |
|---|
| 373 | wp(n1)=1.d0 - wm(n1) |
|---|
| 374 | nini = n |
|---|
| 375 | exit |
|---|
| 376 | endif |
|---|
| 377 | enddo |
|---|
| 378 | endif |
|---|
| 379 | enddo |
|---|
| 380 | |
|---|
| 381 | ! Added sanity check: does nm(:) indeed contain values |
|---|
| 382 | ! between 1 and nl-1 ? |
|---|
| 383 | if (extra_sanity_checks) then |
|---|
| 384 | if ((minval(nm)<1).or.(maxval(nm)>nl-1)) then |
|---|
| 385 | write(*,*) "interfast issue nm(:) contains incoherent values" |
|---|
| 386 | write(*,*) " nm(:) values should be between 1 and ",nl-1 |
|---|
| 387 | write(*,*) " but nm(:)=",nm(:) |
|---|
| 388 | endif |
|---|
| 389 | endif ! of if (extra_sanity_checks) |
|---|
| 390 | |
|---|
| 391 | end subroutine interfast |
|---|
| 392 | |
|---|
| 393 | |
|---|
| 394 | c********************************************************************** |
|---|
| 395 | c********************************************************************** |
|---|
| 396 | |
|---|
| 397 | subroutine espesor_optico_A (ig,capa,nlayer, szadeg,z, |
|---|
| 398 | @ nz3,iz,esp,ilayesp,szalayesp,nlayesp, zmini) |
|---|
| 399 | |
|---|
| 400 | c fgg nov 03 Adaptation to Martian model |
|---|
| 401 | c malv jul 03 Corrected z grid. Split in alt & frec codes |
|---|
| 402 | c fgg feb 03 first version |
|---|
| 403 | ************************************************************************* |
|---|
| 404 | |
|---|
| 405 | use param_v4_h, only: radio |
|---|
| 406 | implicit none |
|---|
| 407 | |
|---|
| 408 | c arguments |
|---|
| 409 | |
|---|
| 410 | real szadeg ! I. SZA [rad] |
|---|
| 411 | real z ! I. altitude of interest [km] |
|---|
| 412 | integer nz3,ig,nlayer ! I. dimension of esp, ylayesp, etc... |
|---|
| 413 | ! (=2*nlayer= max# of layers in ray path) |
|---|
| 414 | real iz(nlayer+1) ! I. Altitude of each layer |
|---|
| 415 | real*8 esp(nz3) ! O. layer widths after geometrically |
|---|
| 416 | ! amplified; in [cm] except at TOA |
|---|
| 417 | ! where an auxiliary value is used |
|---|
| 418 | real*8 ilayesp(nz3) ! O. Indexes of layers along ray path |
|---|
| 419 | real*8 szalayesp(nz3) ! O. SZA [deg] " " " |
|---|
| 420 | integer nlayesp |
|---|
| 421 | ! real*8 nlayesp ! O. # layers along ray path at this z |
|---|
| 422 | real*8 zmini ! O. Minimum altitud of ray path [km] |
|---|
| 423 | |
|---|
| 424 | |
|---|
| 425 | c local variables and constants |
|---|
| 426 | |
|---|
| 427 | integer j,i,capa |
|---|
| 428 | integer jmin ! index of min.altitude along ray path |
|---|
| 429 | real*8 szarad ! SZA [deg] |
|---|
| 430 | real*8 zz |
|---|
| 431 | real*8 diz(nlayer+1) |
|---|
| 432 | real*8 rkmnz ! distance TOA to center of Planet [km] |
|---|
| 433 | real*8 rkmmini ! distance zmini to center of P [km] |
|---|
| 434 | real*8 rkmj ! intermediate distance to C of P [km] |
|---|
| 435 | c external function |
|---|
| 436 | c external grid_R8 ! Returns index of layer containing the altitude |
|---|
| 437 | c ! of interest, z; for example, if |
|---|
| 438 | c ! zkm(i)=z or zkm(i)<z<zkm(i+1) => grid(z)=i |
|---|
| 439 | c integer grid_R8 |
|---|
| 440 | |
|---|
| 441 | ************************************************************************* |
|---|
| 442 | szarad = dble(szadeg)*3.141592d0/180.d0 |
|---|
| 443 | zz=dble(z) |
|---|
| 444 | do i=1,nlayer |
|---|
| 445 | diz(i)=dble(iz(i)) |
|---|
| 446 | enddo |
|---|
| 447 | do j=1,nz3 |
|---|
| 448 | esp(j) = 0.d0 |
|---|
| 449 | szalayesp(j) = 777.d0 |
|---|
| 450 | ilayesp(j) = 0 |
|---|
| 451 | enddo |
|---|
| 452 | nlayesp = 0 |
|---|
| 453 | |
|---|
| 454 | ! First case: szadeg<60 |
|---|
| 455 | ! The optical thickness will be given by 1/cos(sza) |
|---|
| 456 | ! We deal with 2 different regions: |
|---|
| 457 | ! 1: First, all layers between z and ztop ("upper part of ray") |
|---|
| 458 | ! 2: Second, the layer at ztop |
|---|
| 459 | if(szadeg.lt.60.d0) then |
|---|
| 460 | |
|---|
| 461 | zmini = zz |
|---|
| 462 | if(abs(zz-diz(nlayer)).lt.1.d-3) goto 1357 |
|---|
| 463 | ! 1st Zone: Upper part of ray |
|---|
| 464 | ! |
|---|
| 465 | do j=grid_R8(zz,diz,nlayer),nlayer-1 |
|---|
| 466 | nlayesp = nlayesp + 1 |
|---|
| 467 | ilayesp(nlayesp) = j |
|---|
| 468 | esp(nlayesp) = (diz(j+1)-diz(j)) / cos(szarad) ! [km] |
|---|
| 469 | esp(nlayesp) = esp(nlayesp) * 1.d5 ! [cm] |
|---|
| 470 | szalayesp(nlayesp) = szadeg |
|---|
| 471 | end do |
|---|
| 472 | |
|---|
| 473 | ! |
|---|
| 474 | ! 2nd Zone: Top layer |
|---|
| 475 | 1357 continue |
|---|
| 476 | nlayesp = nlayesp + 1 |
|---|
| 477 | ilayesp(nlayesp) = nlayer |
|---|
| 478 | esp(nlayesp) = 1.d0 / cos(szarad) ! aux. non-dimens. factor |
|---|
| 479 | szalayesp(nlayesp) = szadeg |
|---|
| 480 | |
|---|
| 481 | |
|---|
| 482 | ! Second case: 60 < szadeg < 90 |
|---|
| 483 | ! The optical thickness is evaluated. |
|---|
| 484 | ! (the magnitude of the effect of not using cos(sza) is 3.e-5 |
|---|
| 485 | ! for z=60km & sza=30, and 5e-4 for z=60km & sza=60, approximately) |
|---|
| 486 | ! We deal with 2 different regions: |
|---|
| 487 | ! 1: First, all layers between z and ztop ("upper part of ray") |
|---|
| 488 | ! 2: Second, the layer at ztop ("uppermost layer") |
|---|
| 489 | else if(szadeg.le.90.d0.and.szadeg.ge.60.d0) then |
|---|
| 490 | |
|---|
| 491 | zmini=(radio+zz)*sin(szarad)-radio |
|---|
| 492 | rkmmini = radio + zmini |
|---|
| 493 | |
|---|
| 494 | if(abs(zz-diz(nlayer)).lt.1.d-4) goto 1470 |
|---|
| 495 | |
|---|
| 496 | ! 1st Zone: Upper part of ray |
|---|
| 497 | ! |
|---|
| 498 | do j=grid_R8(zz,diz,nlayer),nlayer-1 |
|---|
| 499 | nlayesp = nlayesp + 1 |
|---|
| 500 | ilayesp(nlayesp) = j |
|---|
| 501 | esp(nlayesp) = |
|---|
| 502 | & sqrt( (radio+diz(j+1))**2 - rkmmini**2 ) - |
|---|
| 503 | & sqrt( (radio+diz(j))**2 - rkmmini**2 ) ! [km] |
|---|
| 504 | esp(nlayesp) = esp(nlayesp) * 1.d5 ! [cm] |
|---|
| 505 | rkmj = radio+diz(j) |
|---|
| 506 | szalayesp(nlayesp) = asin( rkmmini/rkmj ) ! [rad] |
|---|
| 507 | szalayesp(nlayesp) = szalayesp(nlayesp) * 180.d0/3.141592 ! [deg] |
|---|
| 508 | end do |
|---|
| 509 | 1470 continue |
|---|
| 510 | ! 2nd Zone: Uppermost layer of ray. |
|---|
| 511 | ! |
|---|
| 512 | nlayesp = nlayesp + 1 |
|---|
| 513 | ilayesp(nlayesp) = nlayer |
|---|
| 514 | rkmnz = radio+diz(nlayer) |
|---|
| 515 | esp(nlayesp) = sqrt( rkmnz**2 - rkmmini**2 ) ! aux.factor[km] |
|---|
| 516 | esp(nlayesp) = esp(nlayesp) * 1.d5 ! aux.f. [cm] |
|---|
| 517 | szalayesp(nlayesp) = asin( rkmmini/rkmnz ) ! [rad] |
|---|
| 518 | szalayesp(nlayesp) = szalayesp(nlayesp) * 180.d0/3.141592! [deg] |
|---|
| 519 | |
|---|
| 520 | |
|---|
| 521 | ! Third case: szadeg > 90 |
|---|
| 522 | ! The optical thickness is evaluated. |
|---|
| 523 | ! We deal with 5 different regions: |
|---|
| 524 | ! 1: all layers between z and ztop ("upper part of ray") |
|---|
| 525 | ! 2: the layer at ztop ("uppermost layer") |
|---|
| 526 | ! 3: the lowest layer, at zmini |
|---|
| 527 | ! 4: the layers increasing from zmini to z (here SZA<90) |
|---|
| 528 | ! 5: the layers decreasing from z to zmini (here SZA>90) |
|---|
| 529 | else if(szadeg.gt.90.d0) then |
|---|
| 530 | |
|---|
| 531 | zmini=(radio+zz)*sin(szarad)-radio |
|---|
| 532 | !zmini should be lower than zz, as SZA<90. However, in situations |
|---|
| 533 | !where SZA is very close to 90, rounding errors can make zmini |
|---|
| 534 | !slightly higher than zz, causing problems in the determination |
|---|
| 535 | !of the jmin index. A correction is implemented in the determination |
|---|
| 536 | !of jmin, some lines below |
|---|
| 537 | rkmmini = radio + zmini |
|---|
| 538 | |
|---|
| 539 | if(zmini.lt.diz(1)) then ! Can see the sun? No => esp(j)=inft |
|---|
| 540 | nlayesp = nlayesp + 1 |
|---|
| 541 | ilayesp(nlayesp) = - 1 ! Value to mark "no sun on view" |
|---|
| 542 | ! esp(nlayesp) = 1.e30 |
|---|
| 543 | |
|---|
| 544 | else |
|---|
| 545 | jmin=grid_R8(zmini,diz,nlayer)+1 |
|---|
| 546 | !Correction for possible rounding errors when SZA very close |
|---|
| 547 | !to 90 degrees |
|---|
| 548 | if(jmin.gt.grid_R8(zz,diz,nlayer)) then |
|---|
| 549 | write(*,*)'jthermcalc warning: possible rounding error' |
|---|
| 550 | write(*,*)'point,sza,layer:',ig,szadeg,capa |
|---|
| 551 | jmin=grid_R8(zz,diz,nlayer) |
|---|
| 552 | endif |
|---|
| 553 | |
|---|
| 554 | if(abs(zz-diz(nlayer)).lt.1.d-4) goto 9876 |
|---|
| 555 | |
|---|
| 556 | ! 1st Zone: Upper part of ray |
|---|
| 557 | ! |
|---|
| 558 | do j=grid_R8(zz,diz,nlayer),nlayer-1 |
|---|
| 559 | nlayesp = nlayesp + 1 |
|---|
| 560 | ilayesp(nlayesp) = j |
|---|
| 561 | esp(nlayesp) = |
|---|
| 562 | $ sqrt( (radio+diz(j+1))**2 - rkmmini**2 ) - |
|---|
| 563 | $ sqrt( (radio+diz(j))**2 - rkmmini**2 ) ! [km] |
|---|
| 564 | esp(nlayesp) = esp(nlayesp) * 1.d5 ! [cm] |
|---|
| 565 | rkmj = radio+diz(j) |
|---|
| 566 | szalayesp(nlayesp) = asin( rkmmini/rkmj ) ! [rad] |
|---|
| 567 | szalayesp(nlayesp) = szalayesp(nlayesp) *180.d0/3.141592 ! [deg] |
|---|
| 568 | end do |
|---|
| 569 | |
|---|
| 570 | 9876 continue |
|---|
| 571 | ! 2nd Zone: Uppermost layer of ray. |
|---|
| 572 | ! |
|---|
| 573 | nlayesp = nlayesp + 1 |
|---|
| 574 | ilayesp(nlayesp) = nlayer |
|---|
| 575 | rkmnz = radio+diz(nlayer) |
|---|
| 576 | esp(nlayesp) = sqrt( rkmnz**2 - rkmmini**2 ) !aux.factor[km] |
|---|
| 577 | esp(nlayesp) = esp(nlayesp) * 1.d5 !aux.f.[cm] |
|---|
| 578 | szalayesp(nlayesp) = asin( rkmmini/rkmnz ) ! [rad] |
|---|
| 579 | szalayesp(nlayesp) = szalayesp(nlayesp) *180.d0/3.141592 ! [deg] |
|---|
| 580 | |
|---|
| 581 | ! 3er Zone: Lowestmost layer of ray |
|---|
| 582 | ! |
|---|
| 583 | if ( jmin .ge. 2 ) then ! If above the planet's surface |
|---|
| 584 | j=jmin-1 |
|---|
| 585 | nlayesp = nlayesp + 1 |
|---|
| 586 | ilayesp(nlayesp) = j |
|---|
| 587 | esp(nlayesp) = 2. * |
|---|
| 588 | $ sqrt( (radio+diz(j+1))**2 -rkmmini**2 ) ! [km] |
|---|
| 589 | esp(nlayesp) = esp(nlayesp) * 1.d5 ! [cm] |
|---|
| 590 | rkmj = radio+diz(j+1) |
|---|
| 591 | szalayesp(nlayesp) = asin( rkmmini/rkmj ) ! [rad] |
|---|
| 592 | szalayesp(nlayesp) = szalayesp(nlayesp) *180.d0/3.141592 ! [deg] |
|---|
| 593 | endif |
|---|
| 594 | |
|---|
| 595 | ! 4th zone: Lower part of ray, increasing from zmin to z |
|---|
| 596 | ! ( layers with SZA < 90 deg ) |
|---|
| 597 | do j=jmin,grid_R8(zz,diz,nlayer)-1 |
|---|
| 598 | nlayesp = nlayesp + 1 |
|---|
| 599 | ilayesp(nlayesp) = j |
|---|
| 600 | esp(nlayesp) = |
|---|
| 601 | $ sqrt( (radio+diz(j+1))**2 - rkmmini**2 ) |
|---|
| 602 | $ - sqrt( (radio+diz(j))**2 - rkmmini**2 ) ! [km] |
|---|
| 603 | esp(nlayesp) = esp(nlayesp) * 1.d5 ! [cm] |
|---|
| 604 | rkmj = radio+diz(j) |
|---|
| 605 | szalayesp(nlayesp) = asin( rkmmini/rkmj ) ! [rad] |
|---|
| 606 | szalayesp(nlayesp) = szalayesp(nlayesp) *180.d0/3.141592 ! [deg] |
|---|
| 607 | end do |
|---|
| 608 | |
|---|
| 609 | ! 5th zone: Lower part of ray, decreasing from z to zmin |
|---|
| 610 | ! ( layers with SZA > 90 deg ) |
|---|
| 611 | do j=grid_R8(zz,diz,nlayer)-1, jmin, -1 |
|---|
| 612 | nlayesp = nlayesp + 1 |
|---|
| 613 | ilayesp(nlayesp) = j |
|---|
| 614 | esp(nlayesp) = |
|---|
| 615 | $ sqrt( (radio+diz(j+1))**2 - rkmmini**2 ) |
|---|
| 616 | $ - sqrt( (radio+diz(j))**2 - rkmmini**2 ) ! [km] |
|---|
| 617 | esp(nlayesp) = esp(nlayesp) * 1.d5 ! [cm] |
|---|
| 618 | rkmj = radio+diz(j) |
|---|
| 619 | szalayesp(nlayesp) = 3.141592 - asin( rkmmini/rkmj ) ! [rad] |
|---|
| 620 | szalayesp(nlayesp) = szalayesp(nlayesp)*180.d0/3.141592 ! [deg] |
|---|
| 621 | end do |
|---|
| 622 | |
|---|
| 623 | end if |
|---|
| 624 | |
|---|
| 625 | end if |
|---|
| 626 | |
|---|
| 627 | |
|---|
| 628 | end subroutine espesor_optico_A |
|---|
| 629 | |
|---|
| 630 | |
|---|
| 631 | |
|---|
| 632 | c********************************************************************** |
|---|
| 633 | c*********************************************************************** |
|---|
| 634 | |
|---|
| 635 | function grid_R8 (z, zgrid, nz) |
|---|
| 636 | |
|---|
| 637 | c Returns the index where z is located within vector zgrid |
|---|
| 638 | c The vector zgrid must be monotonously increasing, otherwise program stops. |
|---|
| 639 | c If z is outside zgrid limits, or zgrid dimension is nz<2, the program stops. |
|---|
| 640 | c |
|---|
| 641 | c FGG Aug-2004 Correct z.lt.zgrid(i) to .le. |
|---|
| 642 | c MALV Jul-2003 |
|---|
| 643 | c*********************************************************************** |
|---|
| 644 | |
|---|
| 645 | implicit none |
|---|
| 646 | |
|---|
| 647 | c Arguments |
|---|
| 648 | integer nz |
|---|
| 649 | real*8 z |
|---|
| 650 | real*8 zgrid(nz) |
|---|
| 651 | integer grid_R8 |
|---|
| 652 | |
|---|
| 653 | c Local |
|---|
| 654 | integer i, nz1, nznew |
|---|
| 655 | |
|---|
| 656 | c*** CODE START |
|---|
| 657 | |
|---|
| 658 | if ( z .lt. zgrid(1) ) then |
|---|
| 659 | write (*,*) ' GRID/ z outside bounds of zgrid ' |
|---|
| 660 | write (*,*) ' z,zgrid(1),zgrid(nz) =', z,zgrid(1),zgrid(nz) |
|---|
| 661 | z = zgrid(1) |
|---|
| 662 | write(*,*) 'WARNING: error in grid_r8 (jthermcalc.F)' |
|---|
| 663 | write(*,*) 'Please check values of z and zgrid above' |
|---|
| 664 | endif |
|---|
| 665 | if (z .gt. zgrid(nz) ) then |
|---|
| 666 | write (*,*) ' GRID/ z outside bounds of zgrid ' |
|---|
| 667 | write (*,*) ' z,zgrid(1),zgrid(nz) =', z,zgrid(1),zgrid(nz) |
|---|
| 668 | z = zgrid(nz) |
|---|
| 669 | write(*,*) 'WARNING: error in grid_r8 (jthermcalc.F)' |
|---|
| 670 | write(*,*) 'Please check values of z and zgrid above' |
|---|
| 671 | endif |
|---|
| 672 | if ( nz .lt. 2 ) then |
|---|
| 673 | write (*,*) ' GRID/ zgrid needs 2 points at least ! ' |
|---|
| 674 | stop ' Serious error in GRID.F ' |
|---|
| 675 | endif |
|---|
| 676 | if ( zgrid(1) .ge. zgrid(nz) ) then |
|---|
| 677 | write (*,*) ' GRID/ zgrid must increase with index' |
|---|
| 678 | stop ' Serious error in GRID.F ' |
|---|
| 679 | endif |
|---|
| 680 | |
|---|
| 681 | nz1 = 1 |
|---|
| 682 | nznew = nz/2 |
|---|
| 683 | if ( z .gt. zgrid(nznew) ) then |
|---|
| 684 | nz1 = nznew |
|---|
| 685 | nznew = nz |
|---|
| 686 | endif |
|---|
| 687 | do i=nz1+1,nznew |
|---|
| 688 | if ( z. eq. zgrid(i) ) then |
|---|
| 689 | grid_R8=i |
|---|
| 690 | return |
|---|
| 691 | elseif ( z .le. zgrid(i) ) then |
|---|
| 692 | grid_R8 = i-1 |
|---|
| 693 | return |
|---|
| 694 | endif |
|---|
| 695 | enddo |
|---|
| 696 | grid_R8 = nz |
|---|
| 697 | |
|---|
| 698 | |
|---|
| 699 | |
|---|
| 700 | end function grid_R8 |
|---|
| 701 | |
|---|
| 702 | |
|---|
| 703 | |
|---|
| 704 | !c*************************************************** |
|---|
| 705 | !c*************************************************** |
|---|
| 706 | |
|---|
| 707 | subroutine flujo(date) |
|---|
| 708 | |
|---|
| 709 | |
|---|
| 710 | !c fgg nov 2002 first version |
|---|
| 711 | !c*************************************************** |
|---|
| 712 | |
|---|
| 713 | use comsaison_h, only: dist_sol |
|---|
| 714 | use param_v4_h, only: ninter, |
|---|
| 715 | . fluxtop, ct1, ct2, p1, p2 |
|---|
| 716 | use callkeys_mod, only: solvarmod |
|---|
| 717 | implicit none |
|---|
| 718 | |
|---|
| 719 | |
|---|
| 720 | ! Arguments |
|---|
| 721 | |
|---|
| 722 | real,intent(inout) :: date |
|---|
| 723 | |
|---|
| 724 | |
|---|
| 725 | ! Local variable and constants |
|---|
| 726 | |
|---|
| 727 | integer i |
|---|
| 728 | integer inter |
|---|
| 729 | real nada |
|---|
| 730 | |
|---|
| 731 | !c************************************************* |
|---|
| 732 | |
|---|
| 733 | if(date.lt.1985.) date=1985. |
|---|
| 734 | if(date.gt.2001.) date=2001. |
|---|
| 735 | |
|---|
| 736 | do i=1,ninter |
|---|
| 737 | fluxtop(i)=1. |
|---|
| 738 | !Variation of solar flux with 11 years solar cycle |
|---|
| 739 | !For more details, see Gonzalez-Galindo et al. 2005 |
|---|
| 740 | !To be improved in next versions |
|---|
| 741 | if(i.le.24.and.solvarmod.eq.0) then |
|---|
| 742 | fluxtop(i)=(((ct1(i)+p1(i)*date)/2.) |
|---|
| 743 | $ *sin(2.*3.1416/11.*(date-1985.-3.1416)) |
|---|
| 744 | $ +(ct2(i)+p2(i)*date)+1.)*fluxtop(i) |
|---|
| 745 | end if |
|---|
| 746 | fluxtop(i)=fluxtop(i)*(1.52/dist_sol)**2 |
|---|
| 747 | end do |
|---|
| 748 | |
|---|
| 749 | end subroutine flujo |
|---|
| 750 | |
|---|
| 751 | end module jthermcalc_util |
|---|
