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module swu_m |
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|
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IMPLICIT NONE |
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|
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contains |
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|
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SUBROUTINE swu(psct, pcldsw, ppmb, ppsol, prmu0, pfrac, ptave, pwv, paki, & |
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pcld, pclear, pdsig, pfact, prmu, psec, pud) |
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|
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USE clesphys, only: rco2 |
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USE suphec_m, only: rg |
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USE raddim, only: kdlon, kflev |
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USE radepsi, only: zepscq, zepsec |
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USE radopt, only: novlp |
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|
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! ARGUMENTS: |
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|
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DOUBLE PRECISION, intent(in):: psct |
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DOUBLE PRECISION, intent(in):: pcldsw(kdlon, kflev) |
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DOUBLE PRECISION, intent(in):: ppmb(kdlon, kflev + 1) |
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DOUBLE PRECISION, intent(in):: ppsol(kdlon) |
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DOUBLE PRECISION, intent(in):: prmu0(kdlon) |
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DOUBLE PRECISION, intent(in):: pfrac(kdlon) |
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DOUBLE PRECISION, intent(in):: ptave(kdlon, kflev) |
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DOUBLE PRECISION, intent(in):: pwv(kdlon, kflev) |
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|
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DOUBLE PRECISION paki(kdlon, 2) |
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DOUBLE PRECISION pcld(kdlon, kflev) |
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DOUBLE PRECISION pclear(kdlon) |
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DOUBLE PRECISION pdsig(kdlon, kflev) |
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DOUBLE PRECISION pfact(kdlon) |
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DOUBLE PRECISION prmu(kdlon) |
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DOUBLE PRECISION psec(kdlon) |
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DOUBLE PRECISION pud(kdlon, 5, kflev + 1) |
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|
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! Local: |
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|
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INTEGER iind(2) |
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DOUBLE PRECISION zc1j(kdlon, kflev + 1) |
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DOUBLE PRECISION zclear(kdlon) |
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DOUBLE PRECISION zcloud(kdlon) |
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DOUBLE PRECISION zn175(kdlon) |
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DOUBLE PRECISION zn190(kdlon) |
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DOUBLE PRECISION zo175(kdlon) |
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DOUBLE PRECISION zo190(kdlon) |
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DOUBLE PRECISION zsign(kdlon) |
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DOUBLE PRECISION zr(kdlon, 2) |
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DOUBLE PRECISION zsigo(kdlon) |
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DOUBLE PRECISION zud(kdlon, 2) |
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DOUBLE PRECISION zrth, zrtu, zwh2o, zdsco2, zdsh2o, zfppw |
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INTEGER jl, jk, jkp1, jkl, ja |
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|
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! Prescribed Data: |
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|
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DOUBLE PRECISION zpdh2o, zpdumg |
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SAVE zpdh2o, zpdumg |
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DOUBLE PRECISION zprh2o, zprumg |
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SAVE zprh2o, zprumg |
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DOUBLE PRECISION rtdh2o, rtdumg |
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SAVE rtdh2o, rtdumg |
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DOUBLE PRECISION rth2o, rtumg |
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SAVE rth2o, rtumg |
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DATA zpdh2o, zpdumg /0.8d0, 0.75d0/ |
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DATA zprh2o, zprumg /30000.d0, 30000.d0/ |
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DATA rtdh2o, rtdumg /0.40d0, 0.375d0/ |
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DATA rth2o, rtumg /240.d0, 240.d0/ |
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|
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!------------------------------------------------------------------ |
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|
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! 1. COMPUTES AMOUNTS OF ABSORBERS |
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|
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iind(1) = 1 |
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iind(2) = 2 |
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|
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! 1.1 INITIALIZES QUANTITIES |
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|
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DO jl = 1, kdlon |
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pud(jl, 1, kflev + 1) = 0. |
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pud(jl, 2, kflev + 1) = 0. |
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pud(jl, 3, kflev + 1) = 0. |
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pud(jl, 4, kflev + 1) = 0. |
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pud(jl, 5, kflev + 1) = 0. |
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pfact(jl) = prmu0(jl) * pfrac(jl) * psct |
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prmu(jl) = sqrt(1224. * prmu0(jl) * prmu0(jl) + 1.) / 35. |
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psec(jl) = 1. / prmu(jl) |
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zc1j(jl, kflev + 1) = 0. |
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END DO |
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|
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! 1.3 AMOUNTS OF ABSORBERS |
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|
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DO jl = 1, kdlon |
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zud(jl, 1) = 0. |
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zud(jl, 2) = 0. |
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zo175(jl) = ppsol(jl)**(zpdumg + 1.) |
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zo190(jl) = ppsol(jl)**(zpdh2o + 1.) |
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zsigo(jl) = ppsol(jl) |
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zclear(jl) = 1. |
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zcloud(jl) = 0. |
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END DO |
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|
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DO jk = 1, kflev |
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jkp1 = jk + 1 |
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jkl = kflev + 1 - jk |
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DO jl = 1, kdlon |
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zrth = (rth2o / ptave(jl, jk))**rtdh2o |
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zrtu = (rtumg / ptave(jl, jk))**rtdumg |
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zwh2o = max(pwv(jl, jk), zepscq) |
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zsign(jl) = 100. * ppmb(jl, jkp1) |
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pdsig(jl, jk) = (zsigo(jl) - zsign(jl)) / ppsol(jl) |
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zn175(jl) = zsign(jl)**(zpdumg + 1.) |
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zn190(jl) = zsign(jl)**(zpdh2o + 1.) |
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zdsco2 = zo175(jl) - zn175(jl) |
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zdsh2o = zo190(jl) - zn190(jl) |
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pud(jl, 1, jk) = 1. / (10. * rg * (zpdh2o + 1.)) / zprh2o**zpdh2o & |
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* zdsh2o * zwh2o * zrth |
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pud(jl, 2, jk) = 1. / (10. * rg * (zpdumg + 1.)) / zprumg**zpdumg & |
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* zdsco2 * rco2 * zrtu |
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zfppw = 1.6078 * zwh2o / (1. + 0.608 * zwh2o) |
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pud(jl, 4, jk) = pud(jl, 1, jk) * zfppw |
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pud(jl, 5, jk) = pud(jl, 1, jk) * (1. - zfppw) |
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zud(jl, 1) = zud(jl, 1) + pud(jl, 1, jk) |
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zud(jl, 2) = zud(jl, 2) + pud(jl, 2, jk) |
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zsigo(jl) = zsign(jl) |
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zo175(jl) = zn175(jl) |
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zo190(jl) = zn190(jl) |
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|
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IF (novlp==1) THEN |
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zclear(jl) = zclear(jl) & |
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* (1. - max(pcldsw(jl, jkl), zcloud(jl))) & |
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/ (1. - min(zcloud(jl), 1. - zepsec)) |
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zc1j(jl, jkl) = 1.0 - zclear(jl) |
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zcloud(jl) = pcldsw(jl, jkl) |
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ELSE IF (novlp==2) THEN |
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zcloud(jl) = max(pcldsw(jl, jkl), zcloud(jl)) |
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zc1j(jl, jkl) = zcloud(jl) |
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ELSE IF (novlp==3) THEN |
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zclear(jl) = zclear(jl) * (1. - pcldsw(jl, jkl)) |
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zcloud(jl) = 1.0 - zclear(jl) |
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zc1j(jl, jkl) = zcloud(jl) |
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END IF |
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END DO |
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END DO |
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DO jl = 1, kdlon |
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pclear(jl) = 1. - zc1j(jl, 1) |
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END DO |
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DO jk = 1, kflev |
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DO jl = 1, kdlon |
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IF (pclear(jl)<1.) THEN |
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pcld(jl, jk) = pcldsw(jl, jk) / (1. - pclear(jl)) |
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ELSE |
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pcld(jl, jk) = 0. |
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END IF |
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END DO |
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END DO |
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|
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! 1.4 COMPUTES CLEAR-SKY GREY ABSORPTION COEFFICIENTS |
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|
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DO ja = 1, 2 |
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DO jl = 1, kdlon |
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zud(jl, ja) = zud(jl, ja) * psec(jl) |
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END DO |
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END DO |
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|
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CALL swtt1(2, 2, iind, zud, zr) |
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|
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DO ja = 1, 2 |
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DO jl = 1, kdlon |
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paki(jl, ja) = - log(zr(jl, ja)) / zud(jl, ja) |
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END DO |
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END DO |
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|
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END SUBROUTINE swu |
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|
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end module swu_m |
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