| 1 | ! |
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| 2 | ! $Header$ |
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| 3 | ! |
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| 4 | SUBROUTINE aeropt(pplay, paprs, t_seri, msulfate, RHcl, |
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| 5 | . tau_ae, piz_ae, cg_ae, ai ) |
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| 6 | c |
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| 7 | IMPLICIT none |
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| 8 | c |
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| 9 | c |
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| 10 | c |
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| 11 | #include "dimensions.h" |
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| 12 | #include "dimphy.h" |
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| 13 | #include "YOMCST.h" |
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| 14 | c |
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| 15 | c Arguments: |
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| 16 | c |
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| 17 | REAL paprs(klon,klev+1) |
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| 18 | REAL pplay(klon,klev), t_seri(klon,klev) |
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| 19 | REAL msulfate(klon,klev) ! masse sulfate ug SO4/m3 [ug/m^3] |
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| 20 | REAL RHcl(klon,klev) ! humidite relative ciel clair |
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| 21 | REAL tau_ae(klon,klev,2) ! epaisseur optique aerosol |
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| 22 | REAL piz_ae(klon,klev,2) ! single scattering albedo aerosol |
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| 23 | REAL cg_ae(klon,klev,2) ! asymmetry parameter aerosol |
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| 24 | REAL ai(klon) ! POLDER aerosol index |
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| 25 | c |
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| 26 | c Local |
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| 27 | c |
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| 28 | INTEGER i, k, inu |
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| 29 | INTEGER RH_num, nbre_RH |
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| 30 | PARAMETER (nbre_RH=12) |
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| 31 | REAL RH_tab(nbre_RH) |
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| 32 | REAL RH_MAX, DELTA, rh |
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| 33 | PARAMETER (RH_MAX=95.) |
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| 34 | DATA RH_tab/0.,10.,20.,30.,40.,50.,60.,70.,80.,85.,90.,95./ |
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| 35 | REAL zrho, zdz |
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| 36 | REAL taue670(klon) ! epaisseur optique aerosol absorption 550 nm |
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| 37 | REAL taue865(klon) ! epaisseur optique aerosol extinction 865 nm |
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| 38 | REAL alpha_aer_sulfate(nbre_RH,5) !--unit m2/g SO4 |
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| 39 | REAL alphasulfate |
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| 40 | c |
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| 41 | c Proprietes optiques |
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| 42 | c |
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| 43 | REAL alpha_aer(nbre_RH,2) !--unit m2/g SO4 |
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| 44 | REAL cg_aer(nbre_RH,2) |
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| 45 | DATA alpha_aer/.500130E+01, .500130E+01, .500130E+01, |
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| 46 | . .500130E+01, .500130E+01, .616710E+01, |
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| 47 | . .826850E+01, .107687E+02, .136976E+02, |
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| 48 | . .162972E+02, .211690E+02, .354833E+02, |
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| 49 | . .139460E+01, .139460E+01, .139460E+01, |
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| 50 | . .139460E+01, .139460E+01, .173910E+01, |
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| 51 | . .244380E+01, .332320E+01, .440120E+01, |
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| 52 | . .539570E+01, .734580E+01, .136038E+02 / |
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| 53 | DATA cg_aer/.619800E+00, .619800E+00, .619800E+00, |
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| 54 | . .619800E+00, .619800E+00, .662700E+00, |
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| 55 | . .682100E+00, .698500E+00, .712500E+00, |
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| 56 | . .721800E+00, .734600E+00, .755800E+00, |
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| 57 | . .545600E+00, .545600E+00, .545600E+00, |
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| 58 | . .545600E+00, .545600E+00, .583700E+00, |
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| 59 | . .607100E+00, .627700E+00, .645800E+00, |
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| 60 | . .658400E+00, .676500E+00, .708500E+00 / |
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| 61 | DATA alpha_aer_sulfate/ |
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| 62 | . 4.910,4.910,4.910,4.910,6.547,7.373, |
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| 63 | . 8.373,9.788,12.167,14.256,17.924,28.433, |
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| 64 | . 1.453,1.453,1.453,1.453,2.003,2.321, |
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| 65 | . 2.711,3.282,4.287,5.210,6.914,12.305, |
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| 66 | . 4.308,4.308,4.308,4.308,5.753,6.521, |
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| 67 | . 7.449,8.772,11.014,12.999,16.518,26.772, |
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| 68 | . 3.265,3.265,3.265,3.265,4.388,5.016, |
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| 69 | . 5.775,6.868,8.745,10.429,13.457,22.538, |
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| 70 | . 2.116,2.116,2.116,2.116,2.882,3.330, |
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| 71 | . 3.876,4.670,6.059,7.327,9.650,16.883/ |
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| 72 | c |
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| 73 | DO i=1, klon |
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| 74 | taue670(i)=0.0 |
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| 75 | taue865(i)=0.0 |
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| 76 | ENDDO |
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| 77 | c |
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| 78 | DO k=1, klev |
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| 79 | DO i=1, klon |
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| 80 | if (t_seri(i,k).eq.0) write (*,*) 'aeropt T ',i,k,t_seri(i,k) |
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| 81 | if (pplay(i,k).eq.0) write (*,*) 'aeropt p ',i,k,pplay(i,k) |
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| 82 | zrho=pplay(i,k)/t_seri(i,k)/RD ! kg/m3 |
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| 83 | zdz=(paprs(i,k)-paprs(i,k+1))/zrho/RG ! m |
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| 84 | rh=MIN(RHcl(i,k)*100.,RH_MAX) |
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| 85 | RH_num = INT( rh/10. + 1.) |
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| 86 | IF (rh.LT.0.) STOP 'aeropt: RH < 0 not possible' |
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| 87 | IF (rh.gt.85.) RH_num=10 |
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| 88 | IF (rh.gt.90.) RH_num=11 |
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| 89 | DELTA=(rh-RH_tab(RH_num))/(RH_tab(RH_num+1)-RH_tab(RH_num)) |
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| 90 | c |
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| 91 | inu=1 |
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| 92 | tau_ae(i,k,inu)=alpha_aer(RH_num,inu) + |
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| 93 | . DELTA*(alpha_aer(RH_num+1,inu)-alpha_aer(RH_num,inu)) |
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| 94 | tau_ae(i,k,inu)=tau_ae(i,k,inu)*msulfate(i,k)*zdz*1.e-6 |
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| 95 | piz_ae(i,k,inu)=1.0 |
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| 96 | cg_ae(i,k,inu)=cg_aer(RH_num,inu) + |
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| 97 | . DELTA*(cg_aer(RH_num+1,inu)-cg_aer(RH_num,inu)) |
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| 98 | c |
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| 99 | inu=2 |
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| 100 | tau_ae(i,k,inu)=alpha_aer(RH_num,inu) + |
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| 101 | . DELTA*(alpha_aer(RH_num+1,inu)-alpha_aer(RH_num,inu)) |
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| 102 | tau_ae(i,k,inu)=tau_ae(i,k,inu)*msulfate(i,k)*zdz*1.e-6 |
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| 103 | piz_ae(i,k,inu)=1.0 |
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| 104 | cg_ae(i,k,inu)=cg_aer(RH_num,inu) + |
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| 105 | . DELTA*(cg_aer(RH_num+1,inu)-cg_aer(RH_num,inu)) |
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| 106 | cjq |
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| 107 | cjq for aerosol index |
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| 108 | c |
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| 109 | alphasulfate=alpha_aer_sulfate(RH_num,4) + |
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| 110 | . DELTA*(alpha_aer_sulfate(RH_num+1,4)- |
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| 111 | . alpha_aer_sulfate(RH_num,4)) !--m2/g |
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| 112 | c |
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| 113 | taue670(i)=taue670(i)+ |
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| 114 | . alphasulfate*msulfate(i,k)*zdz*1.e-6 |
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| 115 | c |
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| 116 | alphasulfate=alpha_aer_sulfate(RH_num,5) + |
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| 117 | . DELTA*(alpha_aer_sulfate(RH_num+1,5)- |
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| 118 | . alpha_aer_sulfate(RH_num,5)) !--m2/g |
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| 119 | c |
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| 120 | taue865(i)=taue865(i)+ |
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| 121 | . alphasulfate*msulfate(i,k)*zdz*1.e-6 |
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| 122 | |
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| 123 | ENDDO |
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| 124 | ENDDO |
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| 125 | c |
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| 126 | DO i=1, klon |
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| 127 | ai(i)=(-log(MAX(taue670(i),0.0001)/ |
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| 128 | . MAX(taue865(i),0.0001))/log(670./865.)) * |
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| 129 | . taue865(i) |
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| 130 | ENDDO |
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| 131 | c |
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| 132 | RETURN |
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| 133 | END |
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