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! $Id: aeropt.F90 2346 2015-08-21 15:13:46Z emillour $ |
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SUBROUTINE aeropt(pplay, paprs, t_seri, msulfate, rhcl, tau_ae, piz_ae, & |
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cg_ae, ai) |
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USE dimphy |
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IMPLICIT NONE |
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include "YOMCST.h" |
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! Arguments: |
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REAL, INTENT (IN) :: paprs(klon, klev+1) |
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REAL, INTENT (IN) :: pplay(klon, klev), t_seri(klon, klev) |
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REAL, INTENT (IN) :: msulfate(klon, klev) ! masse sulfate ug SO4/m3 [ug/m^3] |
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REAL, INTENT (IN) :: rhcl(klon, klev) ! humidite relative ciel clair |
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REAL, INTENT (OUT) :: tau_ae(klon, klev, 2) ! epaisseur optique aerosol |
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REAL, INTENT (OUT) :: piz_ae(klon, klev, 2) ! single scattering albedo aerosol |
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REAL, INTENT (OUT) :: cg_ae(klon, klev, 2) ! asymmetry parameter aerosol |
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REAL, INTENT (OUT) :: ai(klon) ! POLDER aerosol index |
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! Local |
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INTEGER i, k, inu |
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INTEGER rh_num, nbre_rh |
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PARAMETER (nbre_rh=12) |
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REAL rh_tab(nbre_rh) |
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REAL rh_max, delta, rh |
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PARAMETER (rh_max=95.) |
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DATA rh_tab/0., 10., 20., 30., 40., 50., 60., 70., 80., 85., 90., 95./ |
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REAL zrho, zdz |
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REAL taue670(klon) ! epaisseur optique aerosol absorption 550 nm |
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REAL taue865(klon) ! epaisseur optique aerosol extinction 865 nm |
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REAL alpha_aer_sulfate(nbre_rh, 5) !--unit m2/g SO4 |
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REAL alphasulfate |
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CHARACTER (LEN=20) :: modname = 'aeropt' |
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CHARACTER (LEN=80) :: abort_message |
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! Proprietes optiques |
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REAL alpha_aer(nbre_rh, 2) !--unit m2/g SO4 |
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REAL cg_aer(nbre_rh, 2) |
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DATA alpha_aer/.500130E+01, .500130E+01, .500130E+01, .500130E+01, & |
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.500130E+01, .616710E+01, .826850E+01, .107687E+02, .136976E+02, & |
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.162972E+02, .211690E+02, .354833E+02, .139460E+01, .139460E+01, & |
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.139460E+01, .139460E+01, .139460E+01, .173910E+01, .244380E+01, & |
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.332320E+01, .440120E+01, .539570E+01, .734580E+01, .136038E+02/ |
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DATA cg_aer/.619800E+00, .619800E+00, .619800E+00, .619800E+00, & |
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.619800E+00, .662700E+00, .682100E+00, .698500E+00, .712500E+00, & |
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.721800E+00, .734600E+00, .755800E+00, .545600E+00, .545600E+00, & |
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.545600E+00, .545600E+00, .545600E+00, .583700E+00, .607100E+00, & |
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.627700E+00, .645800E+00, .658400E+00, .676500E+00, .708500E+00/ |
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DATA alpha_aer_sulfate/4.910, 4.910, 4.910, 4.910, 6.547, 7.373, 8.373, & |
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9.788, 12.167, 14.256, 17.924, 28.433, 1.453, 1.453, 1.453, 1.453, 2.003, & |
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2.321, 2.711, 3.282, 4.287, 5.210, 6.914, 12.305, 4.308, 4.308, 4.308, & |
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4.308, 5.753, 6.521, 7.449, 8.772, 11.014, 12.999, 16.518, 26.772, 3.265, & |
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3.265, 3.265, 3.265, 4.388, 5.016, 5.775, 6.868, 8.745, 10.429, 13.457, & |
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22.538, 2.116, 2.116, 2.116, 2.116, 2.882, 3.330, 3.876, 4.670, 6.059, & |
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7.327, 9.650, 16.883/ |
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DO i = 1, klon |
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taue670(i) = 0.0 |
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taue865(i) = 0.0 |
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END DO |
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DO k = 1, klev |
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DO i = 1, klon |
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IF (t_seri(i,k)==0) WRITE (*, *) 'aeropt T ', i, k, t_seri(i, k) |
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IF (pplay(i,k)==0) WRITE (*, *) 'aeropt p ', i, k, pplay(i, k) |
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zrho = pplay(i, k)/t_seri(i, k)/rd ! kg/m3 |
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zdz = (paprs(i,k)-paprs(i,k+1))/zrho/rg ! m |
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rh = min(rhcl(i,k)*100., rh_max) |
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rh_num = int(rh/10.+1.) |
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IF (rh<0.) THEN |
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abort_message = 'aeropt: RH < 0 not possible' |
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CALL abort_physic(modname, abort_message, 1) |
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END IF |
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IF (rh>85.) rh_num = 10 |
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IF (rh>90.) rh_num = 11 |
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delta = (rh-rh_tab(rh_num))/(rh_tab(rh_num+1)-rh_tab(rh_num)) |
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inu = 1 |
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tau_ae(i, k, inu) = alpha_aer(rh_num, inu) + delta*(alpha_aer(rh_num+1, & |
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inu)-alpha_aer(rh_num,inu)) |
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tau_ae(i, k, inu) = tau_ae(i, k, inu)*msulfate(i, k)*zdz*1.E-6 |
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piz_ae(i, k, inu) = 1.0 |
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cg_ae(i, k, inu) = cg_aer(rh_num, inu) + delta*(cg_aer(rh_num+1,inu)- & |
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cg_aer(rh_num,inu)) |
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inu = 2 |
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tau_ae(i, k, inu) = alpha_aer(rh_num, inu) + delta*(alpha_aer(rh_num+1, & |
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inu)-alpha_aer(rh_num,inu)) |
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tau_ae(i, k, inu) = tau_ae(i, k, inu)*msulfate(i, k)*zdz*1.E-6 |
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piz_ae(i, k, inu) = 1.0 |
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cg_ae(i, k, inu) = cg_aer(rh_num, inu) + delta*(cg_aer(rh_num+1,inu)- & |
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cg_aer(rh_num,inu)) |
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! jq |
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! jq for aerosol index |
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alphasulfate = alpha_aer_sulfate(rh_num, 4) + & |
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delta*(alpha_aer_sulfate(rh_num+1,4)-alpha_aer_sulfate(rh_num,4)) !--m2/g |
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taue670(i) = taue670(i) + alphasulfate*msulfate(i, k)*zdz*1.E-6 |
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alphasulfate = alpha_aer_sulfate(rh_num, 5) + & |
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delta*(alpha_aer_sulfate(rh_num+1,5)-alpha_aer_sulfate(rh_num,5)) !--m2/g |
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taue865(i) = taue865(i) + alphasulfate*msulfate(i, k)*zdz*1.E-6 |
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END DO |
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END DO |
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DO i = 1, klon |
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ai(i) = (-log(max(taue670(i),0.0001)/max(taue865(i), & |
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0.0001))/log(670./865.))*taue865(i) |
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END DO |
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RETURN |
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END SUBROUTINE aeropt |