| 1 | c*********************************************************************** |
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| 2 | c File with all subroutines required by mztf |
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| 3 | c |
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| 4 | c jan 98 malv basado en mztfsub_solar |
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| 5 | c jul 2011 malv+fgg adapted to LMD-MGCM |
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| 6 | c |
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| 7 | c contiene: |
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| 8 | c initial |
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| 9 | c intershape |
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| 10 | c interstrength |
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| 11 | c intz |
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| 12 | c rhist |
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| 13 | c interh |
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| 14 | c we |
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| 15 | c simrul |
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| 16 | c fi |
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| 17 | c f |
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| 18 | c findw |
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| 19 | c voigtf |
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| 20 | c*********************************************************************** |
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| 21 | |
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| 22 | c **************************************************************** |
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| 23 | subroutine initial |
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| 24 | |
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| 25 | c ma & crs !evita troubles 16-july-96 |
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| 26 | c **************************************************************** |
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| 27 | |
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| 28 | implicit none |
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| 29 | |
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| 30 | include 'nltedefs.h' |
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| 31 | include 'nlte_curtis.h' |
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| 32 | |
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| 33 | c local variables |
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| 34 | integer i |
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| 35 | |
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| 36 | c *************** |
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| 37 | |
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| 38 | eqw = 0.0d00 |
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| 39 | aa = 0.0d00 |
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| 40 | bb = 0.0d00 |
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| 41 | cc = 0.0d00 |
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| 42 | dd = 0.0d00 |
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| 43 | |
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| 44 | do i=1,nbox |
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| 45 | ua(i) = 0.0d0 |
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| 46 | ccbox(i) = 0.0d0 |
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| 47 | ddbox(i) = 0.0d0 |
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| 48 | end do |
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| 49 | |
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| 50 | return |
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| 51 | end |
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| 52 | |
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| 53 | c ********************************************************************** |
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| 54 | subroutine intershape(alsx,alnx,adx,xtemp) |
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| 55 | c interpolates the line shape parameters at a temperature xtemp from |
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| 56 | c input histogram data. |
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| 57 | c ********************************************************************** |
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| 58 | |
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| 59 | implicit none |
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| 60 | |
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| 61 | include 'nltedefs.h' |
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| 62 | include 'nlte_curtis.h' |
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| 63 | |
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| 64 | c arguments |
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| 65 | real*8 alsx(nbox_max),alnx(nbox_max),adx(nbox_max),xtemp(nbox_max) |
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| 66 | |
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| 67 | c local variables |
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| 68 | integer i, k |
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| 69 | |
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| 70 | c *********** |
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| 71 | |
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| 72 | ! write (*,*) 'intershape xtemp =', xtemp |
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| 73 | |
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| 74 | do 1, k=1,nbox |
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| 75 | if (xtemp(k).gt.tmax) then |
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| 76 | write (*,*) ' WARNING ! Tpath,tmax= ',xtemp(k),tmax |
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| 77 | xtemp(k) = tmax |
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| 78 | endif |
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| 79 | if (xtemp(k).lt.tmin) then |
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| 80 | write (*,*) ' WARNING ! Tpath,tmin= ',xtemp(k),tmin |
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| 81 | xtemp(k) = tmin |
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| 82 | endif |
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| 83 | |
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| 84 | i = 1 |
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| 85 | do while (i.le.mm) |
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| 86 | i = i + 1 |
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| 87 | |
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| 88 | if (abs(xtemp(k)-thist(i)) .lt. 1.0d-4) then !evita troubles |
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| 89 | alsx(k)=xls1(i,k) !16-july-1996 |
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| 90 | alnx(k)=xln1(i,k) |
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| 91 | adx(k)=xld1(i,k) |
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| 92 | goto 1 |
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| 93 | elseif ( thist(i) .le. xtemp(k) ) then |
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| 94 | alsx(k) = (( xls1(i,k)*(thist(i-1)-xtemp(k)) + |
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| 95 | @ xls1(i-1,k)*(xtemp(k)-thist(i)) )) / (thist(i-1)-thist(i)) |
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| 96 | alnx(k) = (( xln1(i,k)*(thist(i-1)-xtemp(k)) + |
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| 97 | @ xln1(i-1,k)*(xtemp(k)-thist(i)) )) / (thist(i-1)-thist(i)) |
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| 98 | adx(k) = (( xld1(i,k)*(thist(i-1)-xtemp(k)) + |
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| 99 | @ xld1(i-1,k)*(xtemp(k)-thist(i)) )) / (thist(i-1)-thist(i)) |
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| 100 | goto 1 |
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| 101 | end if |
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| 102 | end do |
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| 103 | write (*,*) |
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| 104 | @ ' error in xtemp(k). it should be between tmin and tmax' |
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| 105 | 1 continue |
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| 106 | |
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| 107 | return |
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| 108 | end |
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| 109 | c ********************************************************************** |
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| 110 | subroutine interstrength (stx, ts, sx, xtemp) |
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| 111 | c interpolates the line strength at a temperature xtemp from |
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| 112 | c input histogram data. |
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| 113 | c ********************************************************************** |
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| 114 | |
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| 115 | implicit none |
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| 116 | |
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| 117 | include 'nltedefs.h' |
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| 118 | include 'nlte_curtis.h' |
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| 119 | |
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| 120 | c arguments |
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| 121 | real*8 stx ! output, total band strength |
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| 122 | real*8 ts ! input, temp for stx |
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| 123 | real*8 sx(nbox_max) ! output, strength for each box |
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| 124 | real*8 xtemp(nbox_max) ! input, temp for sx |
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| 125 | |
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| 126 | c local variables |
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| 127 | integer i, k |
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| 128 | |
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| 129 | c *********** |
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| 130 | |
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| 131 | do 1, k=1,nbox |
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| 132 | ! if(xtemp(k).lt.ts)then |
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| 133 | ! write(*,*)'***********************' |
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| 134 | ! write(*,*)'mztfsub_overlap/EEEEEEH!',xtemp(k),ts,k |
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| 135 | ! write(*,*)'***********************' |
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| 136 | ! endif |
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| 137 | if (xtemp(k).gt.tmax) xtemp(k) = tmax |
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| 138 | if (xtemp(k).lt.tmin) xtemp(k) = tmin |
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| 139 | i = 1 |
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| 140 | do while (i.le.mm-1) |
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| 141 | i = i + 1 |
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| 142 | ! write(*,*)'mztfsub_overlap/136',i,xtemp(k),thist(i) |
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| 143 | if ( abs(xtemp(k)-thist(i)) .lt. 1.0d-4 ) then |
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| 144 | sx(k) = sk1(i,k) |
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| 145 | ! write(*,*)'mztfsub_overlap/139',sx(k),k,i |
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| 146 | goto 1 |
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| 147 | elseif ( thist(i) .le. xtemp(k) ) then |
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| 148 | sx(k) = ( sk1(i,k)*(thist(i-1)-xtemp(k)) + sk1(i-1,k)* |
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| 149 | @ (xtemp(k)-thist(i)) ) / (thist(i-1)-thist(i)) |
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| 150 | ! write(*,*)'mztfsub_overlap/144',sx(k),k,i |
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| 151 | goto 1 |
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| 152 | end if |
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| 153 | end do |
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| 154 | write (*,*) ' error in xtemp(kr) =', xtemp(k), |
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| 155 | @ '. it should be between ' |
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| 156 | write (*,*) ' tmin =',tmin, ' and tmax =',tmax |
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| 157 | stop |
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| 158 | 1 continue |
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| 159 | |
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| 160 | stx = 0.d0 |
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| 161 | if (ts.gt.tmax) ts = dble( tmax ) |
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| 162 | if (ts.lt.tmin) ts = dble( tmin ) |
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| 163 | i = 1 |
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| 164 | do while (i.le.mm-1) |
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| 165 | i = i + 1 |
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| 166 | ! write(*,*)'mztfsub_overlap/160',i,ts,thist(i) |
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| 167 | if ( abs(ts-thist(i)) .lt. 1.0d-4 ) then |
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| 168 | do k=1,nbox |
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| 169 | stx = stx + no(k) * sk1(i,k) |
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| 170 | ! write(*,*)'mztfsub_overlap/164',stx |
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| 171 | end do |
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| 172 | return |
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| 173 | elseif ( thist(i) .le. ts ) then |
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| 174 | do k=1,nbox |
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| 175 | stx = stx + no(k) * (( sk1(i,k)*(thist(i-1)-ts) + |
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| 176 | @ sk1(i-1,k)*(ts-thist(i)) )) / (thist(i-1)-thist(i)) |
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| 177 | ! write(*,*)'mztfsub_overlap/171',stx |
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| 178 | end do |
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| 179 | ! stop |
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| 180 | return |
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| 181 | end if |
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| 182 | end do |
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| 183 | |
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| 184 | return |
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| 185 | end |
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| 186 | c ********************************************************************** |
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| 187 | subroutine intz(h,aco2,ap,amr,at, con) |
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| 188 | c return interp. concentration, pressure,mixing ratio and temperature |
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| 189 | c for a input height h |
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| 190 | c ********************************************************************** |
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| 191 | |
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| 192 | implicit none |
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| 193 | include 'nltedefs.h' |
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| 194 | include 'nlte_atm.h' |
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| 195 | include 'nlte_curtis.h' |
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| 196 | |
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| 197 | c arguments |
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| 198 | real h ! i |
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| 199 | real*8 con(nzy) ! i |
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| 200 | real*8 aco2, ap, at, amr ! o |
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| 201 | |
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| 202 | c local variables |
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| 203 | integer k |
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| 204 | |
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| 205 | c ************ |
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| 206 | |
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| 207 | if ( ( h.lt.zy(1) ).and.( h.le.-1.e-5 ) ) then |
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| 208 | write (*,*) ' zp= ',h,' zy(1)= ',zy(1) |
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| 209 | stop'from intz: error in interpolation, z < minimum height' |
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| 210 | elseif (h.gt.zy(nzy)) then |
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| 211 | write (*,*) ' zp= ',h,' zy(nzy)= ',zy(nzy) |
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| 212 | stop'from intz: error in interpolation, z > maximum height' |
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| 213 | end if |
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| 214 | |
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| 215 | if (h.eq.zy(nzy)) then |
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| 216 | ap = dble( py(nzy) ) |
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| 217 | aco2= con(nzy) |
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| 218 | at = dble( ty(nzy) ) |
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| 219 | amr = dble( mr(nzy) ) |
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| 220 | return |
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| 221 | end if |
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| 222 | |
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| 223 | do k=1,nzy-1 |
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| 224 | if( abs( h-zy(k) ).le.( 1.e-5 ) ) then |
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| 225 | ap = dble( py(k) ) |
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| 226 | aco2= con(k) |
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| 227 | at = dble( ty(k) ) |
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| 228 | amr = dble( mr(k) ) |
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| 229 | return |
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| 230 | elseif(h.gt.zy(k).and.h.lt.zy(k+1))then |
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| 231 | ap = dble( exp( log(py(k)) + log(py(k+1)/py(k)) * |
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| 232 | @ (h-zy(k)) / (zy(k+1)-zy(k)) ) ) |
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| 233 | aco2 = exp( log(con(k)) + log( con(k+1)/con(k) ) * |
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| 234 | @ (h-zy(k)) / (zy(k+1)-zy(k)) ) |
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| 235 | at = dble( ty(k)+(ty(k+1)-ty(k))*(h-zy(k))/ |
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| 236 | @ (zy(k+1)-zy(k)) ) |
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| 237 | amr = dble( mr(k)+(mr(k+1)-mr(k))*(h-zy(k))/ |
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| 238 | @ (zy(k+1)-zy(k)) ) |
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| 239 | return |
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| 240 | end if |
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| 241 | end do |
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| 242 | |
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| 243 | return |
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| 244 | end |
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| 245 | |
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| 246 | c ******************************************************************* |
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| 247 | |
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| 248 | subroutine rhist (factor_comp) |
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| 249 | |
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| 250 | c reads histogram data arrays created by ~/spectral/his.for |
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| 251 | c malv nov-98 add average distance between lines for overlapp |
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| 252 | |
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| 253 | c ******************************************************************* |
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| 254 | |
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| 255 | |
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| 256 | implicit none |
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| 257 | |
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| 258 | include 'nltedefs.h' |
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| 259 | include 'nlte_curtis.h' |
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| 260 | include 'datafile.h' |
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| 261 | |
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| 262 | c arguments |
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| 263 | real factor_comp |
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| 264 | |
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| 265 | c local variables |
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| 266 | integer j, r |
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| 267 | real*8 sk1_aux, xls1_aux, xln1_aux, xld1_aux,weight,nu0 |
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| 268 | character tonto*50 |
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| 269 | |
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| 270 | c formats |
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| 271 | ! 100 format(80a1) ! Esto es si fuese byte dummy(80) |
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| 272 | 100 format(a80) ! Esto es si fuese character dummy*80 |
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| 273 | 150 format(a50) ! Esto es si fuese character dummy*80 |
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| 274 | |
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| 275 | c *************** |
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| 276 | |
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| 277 | open(unit=3, |
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| 278 | $ file=trim(datafile)//'/NLTEDAT/' |
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| 279 | $ //hisfile(1:len_trim(hisfile)),status='old') |
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| 280 | !read(3,100) dummy |
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| 281 | read(3,150) tonto |
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| 282 | read(3,*) weight |
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| 283 | read(3,*) mm |
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| 284 | read(3,*) nu0 |
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| 285 | read(3,*) nbox |
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| 286 | !read(3,'(a)') dumm |
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| 287 | read(3,'(a)') tonto |
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| 288 | |
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| 289 | if ( nbox .gt. nbox_max ) then |
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| 290 | write (*,*) ' nbox too large in input file ', hisfile |
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| 291 | stop ' Check maximum number nbox_max in mz1d.par ' |
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| 292 | endif |
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| 293 | do 1 j=1,mm ! for each temperature |
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| 294 | read(3,*) thist(j) |
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| 295 | do r=1,nbox ! for each box |
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| 296 | read(3,*) no(r), sk1(j,r), xls1(j,r),xln1(j,r),xld1(j,r), |
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| 297 | @ dist(r) |
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| 298 | c xld1(j,r)=xld1(j,r)*0.83255 !0.83255=sqrt(log(2)) |
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| 299 | enddo |
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| 300 | 1 continue |
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| 301 | tmax=thist(1) |
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| 302 | tmin=thist(mm) |
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| 303 | |
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| 304 | !close(unit=3,dispose='save') |
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| 305 | close(unit=3) |
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| 306 | |
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| 307 | |
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| 308 | do 2 j=1,mm |
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| 309 | do r=1,nbox |
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| 310 | sk1(j,r) = sk1(j,r) * factor_comp |
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| 311 | enddo |
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| 312 | 2 continue |
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| 313 | |
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| 314 | |
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| 315 | return |
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| 316 | end |
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| 317 | |
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| 318 | c **************************************************************** |
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| 319 | subroutine interh( sx, alsx, alnx, adx, xtemp, xtdop ) |
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| 320 | |
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| 321 | c interpolates a histogram at temperature xtemp from input histogr |
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| 322 | |
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| 323 | c jan 98 malv version para mz1d basada en el inth de solar10: |
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| 324 | c mz5/curtis/mztfsub_solar.f |
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| 325 | c **************************************************************** |
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| 326 | |
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| 327 | implicit none |
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| 328 | |
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| 329 | include 'nltedefs.h' |
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| 330 | include 'nlte_curtis.h' |
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| 331 | |
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| 332 | c arguments |
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| 333 | real*8 sx(nbox_max) ! o |
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| 334 | real*8 xtemp ! i |
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| 335 | real*8 alsx(nbox_max) ! o |
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| 336 | real*8 alnx(nbox_max) ! o |
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| 337 | real*8 adx(nbox_max) ! o |
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| 338 | real*8 xtdop ! i |
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| 339 | |
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| 340 | c local variables |
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| 341 | integer i, j, k |
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| 342 | |
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| 343 | c ************ |
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| 344 | |
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| 345 | |
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| 346 | if (xtemp.gt.thist(1)) then |
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| 347 | ! write (*,*) ' xtemp-path, thist(1)max: ', |
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| 348 | ! @ xtemp,thist(1) |
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| 349 | xtemp = thist(1) |
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| 350 | elseif (xtemp.lt.thist(nhist)) then |
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| 351 | ! write (*,*) ' xtemp-path, thist(nhist)min: ', |
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| 352 | ! @ xtemp,thist(nhist) |
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| 353 | xtemp = thist(nhist) |
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| 354 | end if |
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| 355 | |
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| 356 | i=0 |
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| 357 | 1 i=i+1 |
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| 358 | if (abs(xtemp-thist(i)) .lt. 1.0d-4) goto 2 |
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| 359 | if (thist(i).lt.xtemp) goto 2 |
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| 360 | goto 1 |
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| 361 | 2 j=i |
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| 362 | |
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| 363 | ! write (*,*) 'InterH/ j, xtemp, th(1),th(nh)', |
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| 364 | ! @ j, xtemp, thist(1),thist(nhist) |
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| 365 | |
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| 366 | if (j.gt.1) then |
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| 367 | do k=1,nbox |
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| 368 | sx(k) = ( sk1(j,k) * (thist(j-1)-xtemp) + sk1(j-1,k) * |
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| 369 | @ (xtemp-thist(j)) ) / (thist(j-1)-thist(j)) |
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| 370 | enddo |
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| 371 | elseif (j.eq.1) then |
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| 372 | do k=1,nbox |
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| 373 | sx(k) = sk1(1,k) |
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| 374 | enddo |
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| 375 | endif |
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| 376 | |
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| 377 | if (xtdop.gt.thist(1)) then |
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| 378 | ! write (*,*) ' xtdop-path, thist(1)max: ', |
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| 379 | ! @ xtdop,thist(1) |
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| 380 | xtdop = thist(1) |
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| 381 | elseif (xtdop.lt.thist(nhist)) then |
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| 382 | ! write (*,*) ' xtdop-path, thist(nhist)min: ', |
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| 383 | ! @ xtdop,thist(nhist) |
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| 384 | xtdop = thist(nhist) |
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| 385 | end if |
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| 386 | |
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| 387 | i=0 |
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| 388 | 4 i=i+1 |
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| 389 | if (abs(xtdop-thist(i)) .lt. 1.0d-4) goto 5 |
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| 390 | if (thist(i).lt.xtdop) goto 5 |
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| 391 | goto 4 |
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| 392 | 5 j=i |
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| 393 | |
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| 394 | ! write (*,*) 'InterH/ j, xtdop', |
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| 395 | ! @ j, xtdop |
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| 396 | |
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| 397 | if (j.gt.1) then |
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| 398 | do k=1,nbox |
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| 399 | alsx(k) = ( xls1(j,k) * (thist(j-1)-xtdop) + xls1(j-1,k)* |
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| 400 | @ (xtdop-thist(j)) ) / (thist(j-1)-thist(j)) |
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| 401 | alnx(k) = ( xln1(j,k) * (thist(j-1)-xtdop) + xln1(j-1,k)* |
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| 402 | @ (xtdop-thist(j)) ) / (thist(j-1)-thist(j)) |
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| 403 | adx(k) = ( xld1(j,k) * (thist(j-1)-xtdop) + xld1(j-1,k)* |
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| 404 | @ (xtdop-thist(j)) ) / (thist(j-1)-thist(j)) |
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| 405 | enddo |
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| 406 | elseif (j.eq.1) then |
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| 407 | do k=1,nbox |
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| 408 | alsx(k) = xls1(1,k) |
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| 409 | alnx(k) = xln1(1,k) |
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| 410 | adx(k) = xld1(j,k) |
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| 411 | enddo |
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| 412 | endif |
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| 413 | |
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| 414 | c end |
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| 415 | return |
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| 416 | end |
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| 417 | |
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| 418 | c ********************************************************************** |
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| 419 | real*8 function we(ig,me,pe,pl, idummy, nt_local,p_local, Desp, wsL) |
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| 420 | c icls=5 -->para mztf |
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| 421 | c icls=1,2,3-->para fot, line shape (v=1,l=2,d=3) (only use if wr=2) |
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| 422 | c calculates an approximate equivalent width for an error estimate. |
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| 423 | c |
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| 424 | c ioverlap = 0 ....... no correction for overlaping |
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| 425 | c 1 ....... "lisat" first correction (see overlap_box. |
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| 426 | c 2 ....... " " " plus "supersaturation" |
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| 427 | |
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| 428 | c idummy=0 do nothing |
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| 429 | c 1 write out some values for diagnostics |
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| 430 | c 2 correct the Strong Lorentz behaviour for SZA>90 |
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| 431 | c 3 casos 1 & 2 |
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| 432 | |
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| 433 | c malv nov-98 add overlaping's corrections |
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| 434 | c ********************************************************************** |
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| 435 | |
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| 436 | implicit none |
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| 437 | |
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| 438 | include 'nltedefs.h' |
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| 439 | include 'nlte_curtis.h' |
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| 440 | include 'tcr_15um.h' |
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| 441 | |
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| 442 | c arguments |
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| 443 | integer ig ! ADDED FOR TRACEBACK |
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| 444 | real*8 me ! I. path's absorber amount |
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| 445 | real*8 pe ! I. path's presion total |
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| 446 | real*8 pl ! I. path's partial pressure of CO2 |
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| 447 | real*8 nt_local ! I. needed for strong limit of Lorentz profil |
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| 448 | real*8 p_local ! I. " " " |
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| 449 | integer idummy ! I. indica varias opciones |
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| 450 | real*8 wsL ! O. need this for strong Lorentz correction |
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| 451 | real*8 Desp ! I. need this for strong Lorentz correction |
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| 452 | |
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| 453 | c local variables |
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| 454 | integer i |
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| 455 | real*8 y,x,wl,wd |
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| 456 | real*8 cn(0:7),dn(0:7) |
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| 457 | real*8 pi, xx |
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| 458 | real*8 f_sat_box |
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| 459 | real*8 dv_sat_box, dv_corte_box |
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| 460 | real*8 area_core_box, area_wing_box |
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| 461 | real*8 wlgood , parentesis , xlor |
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| 462 | real*8 wsl_grad |
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| 463 | |
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| 464 | |
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| 465 | c data blocks |
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| 466 | data cn/9.99998291698d-1,-3.53508187098d-1,9.60267807976d-2, |
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| 467 | @ -2.04969011013d-2,3.43927368627d-3,-4.27593051557d-4, |
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| 468 | @ 3.42209457833d-5,-1.28380804108d-6/ |
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| 469 | data dn/1.99999898289,5.774919878d-1,-5.05367549898d-1, |
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| 470 | @ 8.21896973657d-1,-2.5222672453,6.1007027481, |
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| 471 | @ -8.51001627836,4.6535116765/ |
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| 472 | |
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| 473 | c *********** |
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| 474 | |
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| 475 | c equivalent width of atmospheric line. |
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| 476 | |
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| 477 | pi = acos(-1.d0) |
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| 478 | |
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| 479 | if ( idummy.gt.9 ) |
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| 480 | @ write (*,*) ' S, m, alsa, pp =', ka(kr), me, alsa(kr), pl |
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| 481 | |
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| 482 | y=ka(kr)*me |
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| 483 | ! x=y/(2.0*pi*(alsa(kr)*pl+alna(kr)*(pe-pl))) |
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| 484 | x=y/(2.0d0*pi* alsa(kr)*pl) !+alna(kr)*(pe-pl))) |
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| 485 | |
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| 486 | ! Strong limit of Lorentz profile: WL = 2 SQRT( S * m * alsa*pl ) |
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| 487 | ! Para anular esto, comentar las siguientes 5 lineas |
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| 488 | ! if ( x .gt. 1.e6 ) then |
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| 489 | ! wl = 2.0*sqrt( y * alsa(kr)*pl ) |
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| 490 | ! else |
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| 491 | ! wl=y/sqrt(1.0d0+pi*x/2.0d0) |
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| 492 | ! endif |
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| 493 | |
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| 494 | wl=y/sqrt(1.0d0+pi*x/2.0d0) |
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| 495 | |
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| 496 | if (wl .le. 0.d0) then |
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| 497 | write(*,*)'mztfsub_overlap/496',ig,y,ka(kr),me,kr |
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| 498 | stop'WE/Lorentz EQW zero or negative!/498'!,ig |
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| 499 | endif |
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| 500 | |
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| 501 | if ( idummy.gt.9 ) |
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| 502 | @ write (*,*) ' y, x =', y, x |
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| 503 | |
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| 504 | xlor = x |
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| 505 | if ( (idummy.eq.2 .or. idummy.eq.12) .and. xlor.gt.1e5 ) then |
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| 506 | ! en caso que estemos en el regimen |
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| 507 | ! Strong Lorentz y la presion local |
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| 508 | ! vaya disminuyendo, corregimos la EQW |
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| 509 | ! con un gradiente analitico (notebook) |
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| 510 | wsL = 2.0*sqrt( y * alsa(kr)*pl ) |
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| 511 | wsl_grad = - 2.d0 * ka(kr)*alsa(kr) * nt_local*p_local / wsL |
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| 512 | wlgood = w_strongLor_prev(kr) + wsl_grad * Desp |
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| 513 | if (idummy.eq.12) |
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| 514 | @ write (*,*) ' W(wrong), W_SL, W_SL prev, W_SL corrected=', |
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| 515 | @ wl, wsL, w_strongLor_prev(kr), wlgood |
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| 516 | wl = wlgood |
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| 517 | endif |
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| 518 | ! wsL = wl pero esto no lo hacemos todavia, porque necesitamos |
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| 519 | ! el valor que ahora mismo tiene wsL para corregir la |
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| 520 | ! expresion R&W below |
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| 521 | |
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| 522 | ! write (*,*) 'WE arguments me,pe,pl =', me,pe,pl |
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| 523 | ! write (*,*) 'WE/ wl,ka(kr),alsa(kr) =', |
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| 524 | ! @ wl, ka(kr),alsa(kr) |
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| 525 | |
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| 526 | |
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| 527 | !>>>>>>> |
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| 528 | 500 format (a,i3,3(2x,1pe15.8)) |
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| 529 | 600 format (a,2(2x,1pe16.9)) |
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| 530 | 700 format (a,3(1x,1pe16.9)) |
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| 531 | ! if (kr.eq.8 .or. kr.eq.13) then |
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| 532 | ! write (*,500) 'WE/kr,m,pt,pl=', kr, me, pe, pl |
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| 533 | ! write (*,700) ' /aln,als,d_x=', alna(kr),alsa(kr), |
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| 534 | ! @ 2.0*pi*( alsa(kr)*pl + alna(kr)*(pe-pl) ) |
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| 535 | ! write (*,600) ' /alsa*p_CO2, alna*p_n2 :', |
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| 536 | ! @ alsa(kr)*pl, alna(kr)*(pe-pl) |
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| 537 | ! write (*,600) ' a*p, S =', |
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| 538 | ! @ alsa(kr)*pl + alna(kr)*(pe-pl) , ka(kr) |
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| 539 | ! write (*,600) ' /S*m, x =', y, x |
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| 540 | ! write (*,600) ' /aprox, WL =', |
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| 541 | ! @ 2.*sqrt( y*( alsa(kr)*pl+alna(kr)*(pe-pl) ) ), WL |
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| 542 | ! endif |
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| 543 | ! |
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| 544 | ! corrections to lorentz eqw due to overlaping and super-saturation |
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| 545 | ! |
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| 546 | |
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| 547 | i_supersat = 0 |
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| 548 | |
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| 549 | if ( icls.eq.5 .and. ioverlap.gt.0 ) then |
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| 550 | ! for the moment, only consider overlaping for mztf.f, not fot.f |
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| 551 | |
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| 552 | ! definition of saturation in the lisat model |
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| 553 | ! |
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| 554 | asat_box = 0.99d0 |
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| 555 | f_sat_box = 2.d0 * x |
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| 556 | xx = f_sat_box / log( 1./(1-asat_box) ) |
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| 557 | if ( xx .lt. 1.0d0 ) then |
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| 558 | dv_sat_box = 0.0d0 |
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| 559 | asat_box = 1.0d0 - exp( - f_sat_box ) |
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| 560 | else |
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| 561 | dv_sat_box = alsa(kr) * sqrt( xx - 1.0d0 ) |
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| 562 | ! approximation: only use of alsa in mars and venus |
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| 563 | endif |
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| 564 | |
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| 565 | ! area of saturated line |
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| 566 | ! |
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| 567 | area_core_box = 2.d0 * dv_sat_box * asat_box |
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| 568 | area_wing_box = 0.5d0 * ( wl - area_core_box ) |
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| 569 | dv_corte_box = dv_sat_box + 2.d0*area_wing_box/asat_box |
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| 570 | |
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| 571 | ! super-saturation or simple overlaping? |
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| 572 | ! |
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| 573 | ! i_supersat = 0 |
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| 574 | xx = dv_sat_box - ( 0.5d0 * dist(kr) ) |
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| 575 | if ( xx .ge. 0.0 ! definition of supersaturation |
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| 576 | @ .and. dv_sat_box .gt. 0.0 ! definition of saturation |
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| 577 | @ .and. (dist(kr).gt.0.0) ) ! box contains more than 1 line |
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| 578 | @ ! and not too far apart |
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| 579 | @ then |
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| 580 | |
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| 581 | i_supersat = 1 |
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| 582 | |
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| 583 | else |
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| 584 | ! no super-saturation, then use "lisat + first correction", i.e., |
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| 585 | ! correct for line products |
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| 586 | ! |
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| 587 | |
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| 588 | wl = wl |
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| 589 | |
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| 590 | endif |
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| 591 | |
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| 592 | end if ! end of overlaping loop |
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| 593 | |
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| 594 | if (icls.eq.2) then |
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| 595 | we = wl |
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| 596 | return |
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| 597 | endif |
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| 598 | |
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| 599 | cc doppler limit: |
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| 600 | if ( idummy.gt.9 ) |
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| 601 | @ write (*,*) ' S*m, alf_dop =', y, alda(kr)*sqrt(pi) |
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| 602 | |
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| 603 | x = y / (alda(kr)*sqrt(pi)) |
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| 604 | if ( x.lt.1.e-10 ) then ! to avoid underflow |
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| 605 | wd = y |
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| 606 | else |
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| 607 | wd=alda(kr)*sqrt(4.0*pi*x**2*(1.0+log(1.0+x))/(4.0+pi*x**2)) |
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| 608 | endif |
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| 609 | if ( idummy.gt.9 ) |
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| 610 | @ write (*,*) ' wd =', wd |
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| 611 | |
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| 612 | cc doppler weak limit |
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| 613 | c wd = ka(kr) * me |
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| 614 | |
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| 615 | cc good doppler |
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| 616 | if(icls.eq.5) then !para mztf |
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| 617 | !write (*,*) 'para mztf, icls=',icls |
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| 618 | if (x.lt.5.) then |
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| 619 | wd = 0.d0 |
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| 620 | do i=0,7 |
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| 621 | wd = wd + cn(i) * x**i |
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| 622 | end do |
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| 623 | wd = alda(kr) * x * sqrt(pi) * wd |
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| 624 | elseif (x.gt.5.) then |
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| 625 | wd = 0.d0 |
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| 626 | do i=0,7 |
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| 627 | wd = wd + dn(i) / (log(x))**i |
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| 628 | end do |
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| 629 | wd = alda(kr) * sqrt(log(x)) * wd |
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| 630 | else |
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| 631 | stop ' x should not be less than zero' |
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| 632 | end if |
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| 633 | end if |
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| 634 | |
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| 635 | |
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| 636 | if ( i_supersat .eq. 0 ) then |
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| 637 | |
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| 638 | parentesis = wl**2+wd**2-(wd*wl/y)**2 |
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| 639 | ! changed +(wd*wl/y)**2 to -...14-3-84 |
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| 640 | |
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| 641 | if ( parentesis .lt. 0.0 ) then |
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| 642 | if ((idummy.eq.2 .or. idummy.eq.12) .and. xlor.gt.1e5) then |
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| 643 | parentesis = wl**2+wd**2-(wd*wsL/y)**2 |
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| 644 | ! este cambio puede ser necesario cuando se hace |
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| 645 | ! correccion Strong Lor, para evitar valores |
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| 646 | ! negativos del parentesis en sqrt( ) |
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| 647 | else |
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| 648 | stop ' WE/ Error en las EQW wl,wl,y ' |
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| 649 | endif |
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| 650 | endif |
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| 651 | |
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| 652 | we = sqrt( parentesis ) |
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| 653 | ! write (*,*) ' from we: xdop,alda,wd', sngl(x),alda(kr),sngl(wd) |
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| 654 | ! write (*,*) ' from we: we', we |
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| 655 | |
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| 656 | else |
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| 657 | |
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| 658 | we = wl |
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| 659 | ! if there is supersaturation we can ignore wd completely; |
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| 660 | ! mztf.f will compute the eqw of the whole box afterwards |
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| 661 | |
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| 662 | endif |
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| 663 | |
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| 664 | if (icls.eq.3) we = wd |
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| 665 | |
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| 666 | if ( idummy.gt.9 ) |
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| 667 | @ write (*,*) ' wl,wd,w =', wl,wd,we |
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| 668 | |
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| 669 | wsL = wl |
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| 670 | |
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| 671 | return |
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| 672 | end |
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| 673 | |
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| 674 | |
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| 675 | c ********************************************************************** |
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| 676 | real*8 function simrul(a,b,fsim,c,acc) |
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| 677 | c adaptively integrates fsim from a to b, within the criterion acc. |
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| 678 | c ********************************************************************** |
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| 679 | |
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| 680 | implicit none |
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| 681 | |
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| 682 | real*8 res,a,b,g0,g1,g2,g3,g4,d,a0,a1,a2,h,x,acc,c,fsim |
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| 683 | real*8 s1(70),s2(70),s3(70) |
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| 684 | real*8 c1, c2 |
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| 685 | integer*4 m,n,j |
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| 686 | |
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| 687 | res=0. |
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| 688 | c=0. |
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| 689 | m=0 |
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| 690 | n=0 |
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| 691 | j=30 |
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| 692 | g0=fsim(a) |
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| 693 | g2=fsim((a+b)/2.) |
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| 694 | g4=fsim(b) |
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| 695 | a0=(b-a)*(g0+4.0*g2+g4)/2.0 |
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| 696 | 1 d=2.0**n |
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| 697 | h=(b-a)/(4.0*d) |
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| 698 | x=a+(4.0*m+1.0)*h |
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| 699 | g1=fsim(x) |
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| 700 | g3=fsim(x+2.0*h) |
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| 701 | a1=h*(g0+4.0*g1+g2) |
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| 702 | a2=h*(g2+4.0*g3+g4) |
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| 703 | if ( abs(a1+a2-a0).gt.(acc/d)) goto 2 |
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| 704 | res=res+(16.0*(a1+a2)-a0)/45.0 |
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| 705 | m=m+1 |
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| 706 | c=a+m*(b-a)/d |
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| 707 | 6 if (m.eq.(2*(m/2))) goto 4 |
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| 708 | if ((m.ne.1).or.(n.ne.0)) goto 5 |
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| 709 | 8 simrul=res |
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| 710 | return |
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| 711 | 2 m=2*m |
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| 712 | n=n+1 |
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| 713 | if (n.gt.j) goto 3 |
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| 714 | a0=a1 |
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| 715 | s1(n)=a2 |
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| 716 | s2(n)=g3 |
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| 717 | s3(n)=g4 |
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| 718 | g4=g2 |
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| 719 | g2=g1 |
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| 720 | goto 1 |
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| 721 | 3 c1=c-(b-a)/d |
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| 722 | c2=c+(b-a)/d |
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| 723 | write(2,7) c1,c,c2,fsim(c1),fsim(c),fsim(c2) |
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| 724 | write(*,7) c1,c,c2,fsim(c1),fsim(c),fsim(c2) |
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| 725 | 7 format(2x,17hsimrule fails at ,/,3e15.6,/,3e15.6) |
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| 726 | goto 8 |
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| 727 | 5 a0=s1(n) |
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| 728 | g0=g4 |
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| 729 | g2=s2(n) |
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| 730 | g4=s3(n) |
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| 731 | goto 1 |
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| 732 | 4 m=m/2 |
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| 733 | n=n-1 |
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| 734 | goto 6 |
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| 735 | end |
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| 736 | |
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| 737 | c ********************************************************************** |
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| 738 | subroutine findw(ig,iirw,idummy,c1,p1, Desp, wsL) |
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| 739 | c this routine sets up accuracy criteria and calls simrule between limit |
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| 740 | c that depend on the number of atmospheric and cell paths. it gives eqw. |
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| 741 | |
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| 742 | c Add correction for EQW in Strong Lorentz regime and SZA>90 |
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| 743 | c ********************************************************************** |
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| 744 | |
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| 745 | implicit none |
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| 746 | include 'nltedefs.h' |
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| 747 | include 'nlte_curtis.h' |
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| 748 | |
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| 749 | c arguments |
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| 750 | integer ig ! ADDED FOR TRACEBACK |
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| 751 | integer iirw |
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| 752 | integer idummy ! I. indica varias opciones |
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| 753 | real*8 c1 ! I. needed for strong limit of Lorentz profil |
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| 754 | real*8 p1 ! I. " " " |
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| 755 | real*8 wsL ! O. need this for strong Lorentz correction |
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| 756 | real*8 Desp ! I. need this for strong Lorentz correction |
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| 757 | |
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| 758 | c local variables |
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| 759 | real*8 ept,eps,xa |
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| 760 | real*8 acc, c |
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| 761 | real*8 we |
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| 762 | real*8 f, fi, simrul |
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| 763 | |
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| 764 | external f,fi |
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| 765 | |
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| 766 | c ********** *********** ********* |
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| 767 | |
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| 768 | if(icls.eq.5) then !para mztf |
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| 769 | ! if(ig.eq.1682)write(*,*)'mztfsub_overlap/768',ua(kr),iirw |
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| 770 | if (iirw.eq.2) then !iirw=icf=2 ==> we use the w&r formula |
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| 771 | w = we(ig,ua(kr),pt,pp, idummy, c1,p1, Desp, wsL ) |
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| 772 | return |
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| 773 | end if |
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| 774 | ept=we(ig,ua(kr),pt,pp, idummy,c1,p1, Desp, wsL) |
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| 775 | else !para fot |
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| 776 | if (iirw.eq.2) then ! icf=2 ==> we use the w&r formula |
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| 777 | w = we(ig,sl_ua,pt,pp, idummy,c1,p1, Desp, wsL) |
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| 778 | return |
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| 779 | end if |
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| 780 | ept=we(ig,sl_ua,pt,pp, idummy,c1,p1, Desp, wsL) |
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| 781 | end if |
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| 782 | |
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| 783 | c the next block is a modification to avoid nul we. |
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| 784 | c this situation appears for weak lines and low path temperature, but |
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| 785 | c there is not any loss of accuracy. first july 1986 |
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| 786 | if (ept.eq.0.) then ! for weak lines sometimes we=0 |
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| 787 | ept=1.0e-18 |
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| 788 | write (*,*) 'ept =',ept |
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| 789 | write (*,*) 'from we: we=0.0' |
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| 790 | return |
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| 791 | end if |
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| 792 | |
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| 793 | acc = 4.d0 |
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| 794 | acc = 10.d0**(-acc) |
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| 795 | |
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| 796 | eps = acc * ept !accuracy 10-4 atmospheric eqw. |
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| 797 | xa=0.5*ept/f(0.d0) !width of doppler shifted atmospheric line. |
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| 798 | w=2.0*(simrul(0.0d0,xa,f,c,eps)+simrul(0.1d0,1.0/xa,fi,c,eps)) |
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| 799 | !no shift. |
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| 800 | |
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| 801 | return |
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| 802 | end |
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| 803 | |
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| 804 | |
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| 805 | c ********************************************************************** |
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| 806 | double precision function fi(y) |
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| 807 | c returns the value of f(1/y) |
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| 808 | c ********************************************************************** |
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| 809 | |
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| 810 | implicit none |
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| 811 | real*8 f, y |
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| 812 | |
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| 813 | fi=f(1.0/y)/y**2 |
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| 814 | return |
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| 815 | end |
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| 816 | |
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| 817 | |
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| 818 | c ********************************************************************** |
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| 819 | double precision function f(nu) |
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| 820 | c calculates 1-exp(-k(nu)u) for all series paths or combinations thereof |
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| 821 | c ********************************************************************** |
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| 822 | |
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| 823 | implicit none |
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| 824 | include 'nltedefs.h' |
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| 825 | include 'nlte_curtis.h' |
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| 826 | |
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| 827 | double precision tra,xa,ya,za,yy,nu |
|---|
| 828 | double precision voigtf |
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| 829 | tra=1.0d0 |
|---|
| 830 | |
|---|
| 831 | yy=1.0d0/alda(kr) |
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| 832 | xa=nu*yy |
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| 833 | ya= ( alsa(kr)*pp + alna(kr)*(pt-pp) ) * yy |
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| 834 | za=ka(kr)*yy |
|---|
| 835 | |
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| 836 | if(icls.eq.5) then !para mztf |
|---|
| 837 | ! write (*,*) 'icls=',icls |
|---|
| 838 | tra=za*ua(kr)*voigtf(sngl(xa),sngl(ya)) |
|---|
| 839 | else |
|---|
| 840 | tra=za*sl_ua*voigtf(sngl(xa),sngl(ya)) |
|---|
| 841 | end if |
|---|
| 842 | |
|---|
| 843 | if (tra.gt.50.0) then |
|---|
| 844 | tra=1.0 !2.0e-22 overflow cut-off. |
|---|
| 845 | else if (tra.gt.1.0e-4) then |
|---|
| 846 | tra=1.0-exp(-tra) |
|---|
| 847 | end if |
|---|
| 848 | |
|---|
| 849 | f=tra |
|---|
| 850 | return |
|---|
| 851 | end |
|---|
| 852 | |
|---|
| 853 | c ********************************************************************** |
|---|
| 854 | double precision function voigtf(x1,y) |
|---|
| 855 | c computes voigt function for any value of x1 and any +ve value of y. |
|---|
| 856 | c where possible uses modified lorentz and modified doppler approximatio |
|---|
| 857 | c otherwise uses a rearranged rybicki routine. |
|---|
| 858 | c c(n) = exp(-(n/h)**2)/(pi*sqrt(pi)), with h = 2.5 . |
|---|
| 859 | c accurate to better than 1 in 10000. |
|---|
| 860 | c ********************************************************************** |
|---|
| 861 | |
|---|
| 862 | implicit none |
|---|
| 863 | |
|---|
| 864 | real x1, y |
|---|
| 865 | real x, xx, xxyy, xh,xhxh, yh,yhyh, f1,f2, p, q, xn,xnxn, voig |
|---|
| 866 | |
|---|
| 867 | real*8 b,g0,g1,g2,g3,g4,d1,d2,d3,d4,c |
|---|
| 868 | integer*4 n |
|---|
| 869 | |
|---|
| 870 | dimension c(10) |
|---|
| 871 | complex xp,xpp,z |
|---|
| 872 | |
|---|
| 873 | data c(1)/0.15303405/ |
|---|
| 874 | data c(2)/0.94694928e-1/ |
|---|
| 875 | data c(3)/0.42549174e-1/ |
|---|
| 876 | data c(4)/0.13882935e-1/ |
|---|
| 877 | data c(5)/0.32892528e-2/ |
|---|
| 878 | data c(6)/0.56589906e-3/ |
|---|
| 879 | data c(7)/0.70697890e-4/ |
|---|
| 880 | data c(8)/0.64135678e-5/ |
|---|
| 881 | data c(9)/0.42249221e-6/ |
|---|
| 882 | data c(10)/0.20209868e-7/ |
|---|
| 883 | |
|---|
| 884 | x=abs(x1) |
|---|
| 885 | if (x.gt.7.2) goto 1 |
|---|
| 886 | if ((y+x*0.3).gt.5.4) goto 1 |
|---|
| 887 | if (y.gt.0.01) goto 3 |
|---|
| 888 | if (x.lt.2.1) goto 2 |
|---|
| 889 | goto 3 |
|---|
| 890 | c here uses modified lorentz approx. |
|---|
| 891 | 1 xx=x*x |
|---|
| 892 | xxyy=xx+y*y |
|---|
| 893 | b=xx/xxyy |
|---|
| 894 | voigtf=y*(1.+(2.*b-0.5+(0.75-(9.-12.*b)*b)/xxyy)/ |
|---|
| 895 | * xxyy)/(xxyy*3.141592654) |
|---|
| 896 | return |
|---|
| 897 | c here uses modified doppler approx. |
|---|
| 898 | 2 xx=x*x |
|---|
| 899 | voigtf=0.56418958*exp(-xx)*(1.-y*(1.-0.5*y)*(1.1289-xx*(1.1623+ |
|---|
| 900 | * xx*(0.080812+xx*(0.13854-xx*(0.033605-0.0073972*xx)))))) |
|---|
| 901 | return |
|---|
| 902 | c here uses a rearranged rybicki routine. |
|---|
| 903 | 3 xh=2.5*x |
|---|
| 904 | xhxh=xh*xh |
|---|
| 905 | yh=2.5*y |
|---|
| 906 | yhyh=yh*yh |
|---|
| 907 | f1=xhxh+yhyh |
|---|
| 908 | f2=f1-0.5*yhyh |
|---|
| 909 | if (y.lt.0.1) goto 20 |
|---|
| 910 | p=-y*7.8539816 !7.8539816=2.5*pi |
|---|
| 911 | q=x*7.8539816 |
|---|
| 912 | xpp=cmplx(p,q) |
|---|
| 913 | z=cexp(xpp) |
|---|
| 914 | d1=xh*aimag(z) |
|---|
| 915 | d2=-d1 |
|---|
| 916 | d3=yh*(1.-real(z)) |
|---|
| 917 | d4=-d3+2.*yh |
|---|
| 918 | voig=0.17958712*(d1+d3)/f1 |
|---|
| 919 | goto 30 |
|---|
| 920 | 20 p=x*7.8539816 |
|---|
| 921 | q=y*7.8539816 |
|---|
| 922 | xp=cmplx(p,q) |
|---|
| 923 | z=ccos(xp) |
|---|
| 924 | d1=xh*aimag(z) |
|---|
| 925 | d2=-d1 |
|---|
| 926 | d3=yh*(1.-real(z)) |
|---|
| 927 | d4=-d3+2.*yh |
|---|
| 928 | voig=0.56418958*exp(y*y-x*x)*cos(2.*x*y)+0.17958712*(d1+d3)/f1 |
|---|
| 929 | 30 xn=0. |
|---|
| 930 | do 55 n=1,10,2 |
|---|
| 931 | xn=xn+1. |
|---|
| 932 | xnxn=xn*xn |
|---|
| 933 | g1=xh-xn |
|---|
| 934 | g2=g1*(xh+xn) |
|---|
| 935 | g3=0.5*g2*g2 |
|---|
| 936 | voig=voig+c(n)*(d2*(g2+yhyh)+d4*(f1+xnxn))/(g3+yhyh*(f2+xnxn)) |
|---|
| 937 | xn=xn+1. |
|---|
| 938 | xnxn=xn*xn |
|---|
| 939 | g1=xh-xn |
|---|
| 940 | g2=g1*(xh+xn) |
|---|
| 941 | g3=0.5*g2*g2 |
|---|
| 942 | voig=voig+c(n+1)*(d1*(g2+yhyh)+d3*(f1+xnxn))/ |
|---|
| 943 | @ (g3+yhyh*(f2+xnxn)) |
|---|
| 944 | 55 continue |
|---|
| 945 | voigtf=voig |
|---|
| 946 | return |
|---|
| 947 | end |
|---|
