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ABSTRA.f
subroutine abstra (idatm,wl,xmus,xmuv,uw,uo3,uwus,uo3us,
a idatmp,uwpl,uo3pl,uwusp,uo3usp,
a dtwava,dtozon,dtdica,dtoxyg,dtniox,dtmeth,dtmoca,
a utwava,utozon,utdica,utoxyg,utniox,utmeth,utmoca,
a ttwava,ttozon,ttdica,ttoxyg,ttniox,ttmeth,ttmoca )
c transmittance calculation for ozone, water vapor,
c carbon dioxyde and oxygen.
c downward absorption water vapor dtwava
c downward absorption ozone dtozon
c downward absorption carbon diox dtdica
c downward absorption oxygen dtoxyg
c downward absorption nitrous oxi dtniox
c downward absorption methane dtmeth
c downward absorption carbon mono dtmoca
c upward absorption water vapor utwava
c upward absorption ozone utozon
c upward absorption carbon diox utdica
c upward absorption oxygen utoxyg
c upward absorption nitrous oxi utniox
c upward absorption methane utmeth
c upward absorption carbon mono utmoca
c total(on the two paths ) absorption water vapor ttwava
c total(on the two paths ) absorption ozone ttozon
c total(on the two paths ) absorption carbon diox ttdica
c total(on the two paths ) absorption oxygen ttoxyg
c total absorption nitrous oxi ttniox
c total absorption methane ttmeth
c total absorption carbon mono ttmoca
common /sixs_atm/ z(34),p(34),t(34),wh(34),wo(34)
common /sixs_planesim/ zpl(34),ppl(34),tpl(34),whpl(34),wopl(34)
integer iv,ivli(6),idatm,idatmp,i,id,idgaz,inu,k,n,nh
real co3(102),tnu(10,3),
a a(8),rm(34),r2(34),r3(34),tp(34),rat(10)
real rmpl(34),r2pl(34),r3pl(34),ratpl(10)
real cch2o(15)
real wl,xmus,xmuv,uw,uo3,uwus,uo3us,uwpl,uo3pl,uwusp,uo3usp
real accu,ah2o,xh,dtcont,utcont,ttcont
double precision ptest1,ptest
real dtoxyg,dtniox,dtmeth,dtmoca,dtwava,dtozon,dtdica
real utniox,utdica,utoxyg,utwava,utozon
real utmeth,utmoca,ttwava,ttozon,ttdica,ttoxyg,ttniox,ttmeth
real ttmoca
real p0,g,t0,ds,te,roair,air,roco2,rmo2,rmo3,rmn2o,rmch4
real rmco,v,te2,phi,psi,uu,u,up,uud,uut,uuu
real ud,ut,upd,upt,udp,updp,udtp,updtp
real ds2,uupl,upl,uppl
real xi,xd,ako3,test1,test2,test3,udt,atest
real updt,tt,y,utt,uptt,tn
C
data(ivli(i),i=1,6)/2500,5060,7620,10180,12740,15300/
data(co3(i),i= 1, 102)/
a 4.50e-03, 8.00e-03, 1.07e-02, 1.10e-02, 1.27e-02, 1.71e-02,
a 2.00e-02, 2.45e-02, 3.07e-02, 3.84e-02, 4.78e-02, 5.67e-02,
a 6.54e-02, 7.62e-02, 9.15e-02, 1.00e-01, 1.09e-01, 1.20e-01,
a 1.28e-01, 1.12e-01, 1.11e-01, 1.16e-01, 1.19e-01, 1.13e-01,
a 1.03e-01, 9.24e-02, 8.28e-02, 7.57e-02, 7.07e-02, 6.58e-02,
a 5.56e-02, 4.77e-02, 4.06e-02, 3.87e-02, 3.82e-02, 2.94e-02,
a 2.09e-02, 1.80e-02, 1.91e-02, 1.66e-02, 1.17e-02, 7.70e-03,
a 6.10e-03, 8.50e-03, 6.10e-03, 3.70e-03, 3.20e-03, 3.10e-03,
a 2.55e-03, 1.98e-03, 1.40e-03, 8.25e-04, 2.50e-04, 0. ,
a 0. , 0. , 5.65e-04, 2.04e-03, 7.35e-03, 2.03e-02,
a 4.98e-02, 1.18e-01, 2.46e-01, 5.18e-01, 1.02e+00, 1.95e+00,
a 3.79e+00, 6.65e+00, 1.24e+01, 2.20e+01, 3.67e+01, 5.95e+01,
a 8.50e+01, 1.26e+02, 1.68e+02, 2.06e+02, 2.42e+02, 2.71e+02,
a 2.91e+02, 3.02e+02, 3.03e+02, 2.94e+02, 2.77e+02, 2.54e+02,
a 2.26e+02, 1.96e+02, 1.68e+02, 1.44e+02, 1.17e+02, 9.75e+01,
a 7.65e+01, 6.04e+01, 4.62e+01, 3.46e+01, 2.52e+01, 2.00e+01,
a 1.57e+01, 1.20e+01, 1.00e+01, 8.80e+00, 8.30e+00, 8.60e+00/
DATA (CCH2O(I),I=1,15)/
a 0.00,0.19,0.15,0.12,0.10,0.09,0.10,0.12,0.15,0.17,0.20,0.24,
a 0.28,0.33,0.00/
accu=1.E-10
dtwava=1.
utwava=1.
ttwava=1.
dtcont=1.
utcont=1.
ttcont=1.
dtozon=1.
utozon=1.
ttozon=1.
dtdica=1.
utdica=1.
ttdica=1.
dtoxyg=1.
utoxyg=1.
ttoxyg=1.
dtniox=1.
utniox=1.
ttniox=1.
dtmeth=1.
utmeth=1.
ttmeth=1.
dtmoca=1.
utmoca=1.
ttmoca=1.
do 201 i=1,10
corig do 201 i=1,7
rat(i)=1.
tnu(i,1)=1.
tnu(i,2)=1.
tnu(i,3)=1.
201 continue
if (idatm.eq.0) return
if((xmus.eq.0.).or.(xmuv.eq.0.)) goto 95
c constants determination
p0=1013.25
g=98.1
t0=250.
c volumic mass in kilogrammes per m3
ds=0.
te=0.
roair=0.
air=0.028964/0.0224
roco2=0.044/0.0224
rmo2=0.032/0.0224
rmo3=0.048/0.0224
rmn2o=0.044/0.0224
rmch4=0.016/0.0224
rmco =0.028/0.0224
uwus=1.424
uo3us=.344
if(idatm.eq.8) goto 80
goto 90
80 rat(1)=uw/uwus
rat(2)=1.
rat(3)=1.
rat(4)=uo3/uo3us
rat(5)=1.
rat(6)=1.
rat(7)=1.
rat(8)=uw/uwus
rat(9)=uw/uwus
rat(10)=uw/uwus
90 v=1.0e+04/wl
iv=v/5.
iv=iv*5
id=((iv-2500)/10)/256+1
do 40 idgaz=1,7
c
c
if (id.le.6) inu=(iv-ivli(id))/10+1
goto(101,102,103,104,105,106),id
goto 270
106 if(idgaz.eq.1) call wava6(a,inu)
if(idgaz.eq.2) goto 270
if(idgaz.eq.3) call oxyg6(a,inu)
if(idgaz.eq.4) goto 270
if(idgaz.eq.5) call niox6(a,inu)
if(idgaz.eq.6) call meth6(a,inu)
if(idgaz.eq.7) call moca6(a,inu)
goto 271
105 if(idgaz.eq.1) call wava5(a,inu)
if(idgaz.eq.2) goto 270
if(idgaz.eq.3) call oxyg5(a,inu)
if(idgaz.eq.4) goto 270
if(idgaz.eq.5) call niox5(a,inu)
if(idgaz.eq.6) call meth5(a,inu)
if(idgaz.eq.7) call moca5(a,inu)
goto 271
104 if(idgaz.eq.1) call wava4(a,inu)
if(idgaz.eq.2) goto 270
if(idgaz.eq.3) call oxyg4(a,inu)
if(idgaz.eq.4) goto 270
if(idgaz.eq.5) call niox4(a,inu)
if(idgaz.eq.6) call meth4(a,inu)
if(idgaz.eq.7) call moca4(a,inu)
goto 271
103 if(idgaz.eq.1) call wava3(a,inu)
if(idgaz.eq.2) call dica3(a,inu)
if(idgaz.eq.3) call oxyg3(a,inu)
if(idgaz.eq.4) goto 270
if(idgaz.eq.5) call niox3(a,inu)
if(idgaz.eq.6) call meth3(a,inu)
if(idgaz.eq.7) call moca3(a,inu)
goto 271
102 if(idgaz.eq.1) call wava2(a,inu)
if(idgaz.eq.2) call dica2(a,inu)
if(idgaz.eq.3) goto 270
if(idgaz.eq.4) goto 270
if(idgaz.eq.5) call niox2(a,inu)
if(idgaz.eq.6) call meth2(a,inu)
if(idgaz.eq.7) call moca2(a,inu)
goto 271
101 if(idgaz.eq.1) call wava1(a,inu)
if(idgaz.eq.2) call dica1(a,inu)
if(idgaz.eq.3) goto 270
if(idgaz.eq.4) call ozon1(a,inu)
if(idgaz.eq.5) call niox1(a,inu)
if(idgaz.eq.6) call meth1(a,inu)
if(idgaz.eq.7) call moca1(a,inu)
goto 271
270 do 200 i=1,8
a(i)=0.
200 continue
271 continue
c mixing ratio calculation for each gaseous constituents
do k=1,33
roair=air*273.16*p(k)/(1013.25*t(k))
tp(k)=(t(k)+t(k+1))/2.
te=tp(k)-t0
te2=te*te
phi=exp(a(3)*te+a(4)*te2)
psi=exp(a(5)*te+a(6)*te2)
if(idgaz.eq.1) rm(k)=wh(k)/(roair*1000.)
if(idgaz.eq.2) rm(k)=3.3e-04*roco2/air
if(idgaz.eq.3) rm(k)=0.20947*rmo2/air
if(idgaz.eq.4) rm(k)=wo(k)/(roair*1000.)
if(idgaz.eq.5) rm(k)=310.e-09*rmn2o/air
if(idgaz.eq.6) rm(k)=1.72e-06*rmch4/air
if(idgaz.eq.7) rm(k)=1.00e-09*rmco /air
r2(k)=rm(k)*phi
r3(k)=rm(k)*psi
enddo
c
uu=0.
u=0.
up=0.
uud=0.
uut=0.
uuu=0.
ud=0.
ut=0.
upd=0.
upt=0.
udp=0.
updp=0.
udtp=0.
updtp=0.
c pressure scale integration sigma=p/p0
do 50 k=2,33
ds=(p(k-1)-p(k))/p(1)
ds2=(p(k-1)*p(k-1)-p(k)*p(k))/(2.*p(1)*p0)
uu=uu+((rm(k)+rm(k-1))/2.)*ds*rat(idgaz)
u =u +((r2(k)+r2(k-1))/2.)*ds*rat(idgaz)
up=up+((r3(k)+r3(k-1))/2.)*ds2*rat(idgaz)
50 continue
uu=uu*p(1)*100./g
u=u*p(1)*100./g
up=up*p(1)*100./g
if(idgaz.eq.4) uu=1000.*uu/rmo3
if(idgaz.eq.2) uu=1000.*uu/roco2
if(idgaz.eq.5) uu=1000.*uu/rmn2o
if(idgaz.eq.6) uu=1000.*uu/rmch4
if(idgaz.eq.7) uu=1000.*uu/rmco
c mixing ratio for plane calculation for each gaseous constituents
if ((idatmp.eq.0).or.(idatmp.eq.4)) then
uupl=uu
upl=u
uppl=up
else
do k=1,33
roair=air*273.16*ppl(k)/(1013.25*tpl(k))
tp(k)=(tpl(k)+tpl(k+1))/2.
te=tp(k)-t0
te2=te*te
phi=exp(a(3)*te+a(4)*te2)
psi=exp(a(5)*te+a(6)*te2)
if(idgaz.eq.1) rmpl(k)=whpl(k)/(roair*1000.)
if(idgaz.eq.2) rmpl(k)=3.3e-04*roco2/air
if(idgaz.eq.3) rmpl(k)=0.20947*rmo2/air
if(idgaz.eq.4) rmpl(k)=wopl(k)/(roair*1000.)
if(idgaz.eq.5) rmpl(k)=310.e-09*rmn2o/air
if(idgaz.eq.6) rmpl(k)=1.72e-06*rmch4/air
if(idgaz.eq.7) rmpl(k)=1.00e-09*rmco /air
r2pl(k)=rmpl(k)*phi
r3pl(k)=rmpl(k)*psi
enddo
c
uupl=0.
upl=0.
uppl=0.
c update ratio plane
do i=1,10
ratpl(i)=1.
enddo
if (idatmp.eq.8) then
ratpl(1)=uwpl/uwusp
ratpl(2)=1.
ratpl(3)=1.
ratpl(4)=uo3pl/uo3usp
ratpl(5)=1.
ratpl(6)=1.
ratpl(7)=1.
ratpl(8)=uwpl/uwusp
ratpl(9)=uwpl/uwusp
ratpl(10)=uwpl/uwusp
endif
c pressure scale integration sigma=p/p0
c* all gases
do k=2,33
ds=(ppl(k-1)-ppl(k))/ppl(1)
ds2=(ppl(k-1)*ppl(k-1)-ppl(k)*ppl(k))/(2.*ppl(1)*p0)
uupl=uupl+((rmpl(k)+rmpl(k-1))/2.)*ds*ratpl(idgaz)
upl =upl +((r2pl(k)+r2pl(k-1))/2.)*ds*ratpl(idgaz)
uppl=uppl+((r3pl(k)+r3pl(k-1))/2.)*ds2*ratpl(idgaz)
enddo
uupl=uupl*ppl(1)*100./g
upl=upl*ppl(1)*100./g
uppl=uppl*ppl(1)*100./g
if(idgaz.eq.4) uupl=1000*uupl/rmo3
if(idgaz.eq.2) uupl=1000*uupl/roco2
if(idgaz.eq.5) uupl=1000*uupl/rmn2o
if(idgaz.eq.6) uupl=1000*uupl/rmch4
if(idgaz.eq.7) uupl=1000*uupl/rmco
c endif test idatm =0,4
endif
c downward path
uud=uu/xmus
c upward path
uuu=uupl/xmuv
c total(down+up) path
uut=uu/xmus+uupl/xmuv
if(idgaz.eq.1) goto 146
if(idgaz.eq.2.and.iv.gt.9620) goto 147
if(idgaz.eq.3.and.iv.gt.15920) goto 147
if(idgaz.eq.4) goto 146
goto 145
146 xi=0.
n=0
xd=0.
if(iv.lt.2350.or.iv.gt.3000) goto 148
xi=(v-2350.)/50.+1.
NH=XI+1.001
XH=XI-FLOAT(NH)
AH2O=CCH2O(NH)+XH*(CCH2O(NH)-CCH2O(NH-1))
DTCONT=EXP(-AH2O*UUD)
UTCONT=EXP(-AH2O*UUU)
TTCONT=EXP(-AH2O*UUT)
148 if (idgaz.eq.1) goto 145
if(iv.lt.13000) goto 145
if(iv.le.23400) goto 130
if(iv.ge.27500) goto 135
tnu(4,1)=1.
tnu(4,2)=1.
tnu(4,3)=1.
goto 45
130 xi=(v-13000.)/200.+1.
goto 140
135 xi=(v-27500.)/500.+57.
140 n=xi+1.001
xd=xi-float(n)
ako3=co3(n)+xd*(co3(n)-co3(n-1))
test1=ako3*uud
test2=ako3*uuu
test3=ako3*uut
c exponential overflow test
if(test1.gt.86.0) test1=86.0
if(test2.gt.86.0) test2=86.0
if(test3.gt.86.0) test3=86.0
tnu(4,1)=exp(-test1)
tnu(4,2)=exp(-test2)
tnu(4,3)=exp(-test3)
goto 40
145 continue
if(idgaz.eq.4.and.iv.gt.3020) goto 147
c
c downward path
c
ud=u/xmus
upd=up/xmus
udt=ud
if(ud.eq.0.and.upd.eq.0.) udt=1.
tn=a(2)*upd/(2*udt)
atest=a(2)
if (a(2).eq.0.and.a(1).eq.0.) atest=1.
updt=upd
if(ud.eq.0.and.upd.eq.0.) updt=1.
tt=1+4*(a(1)/atest)*((ud*ud)/updt)
y=-tn*(sqrt(tt)-1)
if(idgaz.eq.1) y=-a(1)*ud/sqrt(1+(a(1)/atest)*(ud*ud/updt))
tnu(idgaz,1)=exp(y)
c
c upward path modified to take account for plane content
c
udp=upl/xmuv
updp=uppl/xmuv
udtp=udp
if(udp.eq.0.and.updp.eq.0.) udtp=1.
tn=a(2)*updp/(2*udtp)
atest=a(2)
if (a(2).eq.0.and.a(1).eq.0.) atest=1.
updtp=updp
if(udp.eq.0.and.updp.eq.0.) updtp=1.
tt=1+4*(a(1)/atest)*((udp*udp)/updtp)
y=-tn*(sqrt(tt)-1)
if(idgaz.eq.1) y=-a(1)*udp/sqrt(1+(a(1)/atest)*(udp*udp/updtp))
tnu(idgaz,2)=exp(y)
c
c total(down+up) path modified on the way up
c
ut=u/xmus+upl/xmuv
upt=up/xmus+uppl/xmuv
utt=ut
if(ut.eq.0.and.upt.eq.0.) utt=1.
tn=a(2)*upt/(2*utt)
uptt=upt
if(ut.eq.0.and.upt.eq.0.) uptt=1.
tt=1+4*(a(1)/atest)*((ut*ut)/uptt)
y=-tn*(sqrt(tt)-1)
if(idgaz.eq.1) y=-a(1)*ut/sqrt(1+(a(1)/atest)*(ut*ut/uptt))
tnu(idgaz,3)=exp(y)
goto 40
147 tnu(idgaz,1)=1.
tnu(idgaz,2)=1.
tnu(idgaz,3)=1.
40 continue
C
45 ptest1=tnu(1,1)*dtcont
ptest=ptest1
if (ptest.gt.accu) then
dtwava=ptest
else
dtwava=0.
endif
ptest1=tnu(1,2)*utcont
ptest=ptest1
if (ptest.gt.accu) then
utwava=ptest
else
utwava=0.
endif
ptest1=tnu(1,3)*ttcont
ptest=ptest1
if (ptest.gt.accu) then
ttwava=ptest
else
ttwava=0.
endif
dtdica=tnu(2,1)
utdica=tnu(2,2)
ttdica=tnu(2,3)
dtoxyg=tnu(3,1)
utoxyg=tnu(3,2)
ttoxyg=tnu(3,3)
dtozon=tnu(4,1)
utozon=tnu(4,2)
ttozon=tnu(4,3)
dtniox=tnu(5,1)
utniox=tnu(5,2)
ttniox=tnu(5,3)
dtmeth=tnu(6,1)
utmeth=tnu(6,2)
ttmeth=tnu(6,3)
dtmoca=tnu(7,1)
utmoca=tnu(7,2)
ttmoca=tnu(7,3)
if (idatmp.eq.0) then
ttwava=dtwava
utwava=1.
ttdica=dtdica
utdica=1.
ttoxyg=dtoxyg
utoxyg=1.
ttozon=dtozon
utozon=1.
ttniox=dtniox
utniox=1.
ttmeth=dtmeth
utmeth=1.
ttmoca=dtmoca
utmoca=1.
endif
return
95 call print_error(
s 'Error on zenithal angle ( near 90 deg )')
return
end
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