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SUBROUTINE lwvb(kuaer, ktraer, klim, pabcu, padjd, padju, pb, pbint, pbsui, & |
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pbsur, pbtop, pdisd, pdisu, pemis, ppmb, pga, pgb, pgasur, pgbsur, & |
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pgatop, pgbtop, pcts, pfluc) |
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USE dimensions |
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USE dimphy |
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USE raddim |
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USE radopt |
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USE raddimlw |
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IMPLICIT NONE |
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|
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! ----------------------------------------------------------------------- |
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! PURPOSE. |
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! -------- |
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! INTRODUCES THE EFFECTS OF THE BOUNDARIES IN THE VERTICAL |
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! INTEGRATION |
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|
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! METHOD. |
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! ------- |
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|
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! 1. COMPUTES THE ENERGY EXCHANGE WITH TOP AND SURFACE OF THE |
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! ATMOSPHERE |
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! 2. COMPUTES THE COOLING-TO-SPACE AND HEATING-FROM-GROUND |
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! TERMS FOR THE APPROXIMATE COOLING RATE ABOVE 10 HPA |
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! 3. ADDS UP ALL CONTRIBUTIONS TO GET THE CLEAR-SKY FLUXES |
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|
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! REFERENCE. |
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! ---------- |
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|
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! SEE RADIATION'S PART OF THE MODEL'S DOCUMENTATION AND |
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! ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE IFS |
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|
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! AUTHOR. |
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! ------- |
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! JEAN-JACQUES MORCRETTE *ECMWF* |
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|
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! MODIFICATIONS. |
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! -------------- |
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! ORIGINAL : 89-07-14 |
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! Voigt lines (loop 2413 to 2427) - JJM & PhD - 01/96 |
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! ----------------------------------------------------------------------- |
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|
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! * 0.1 ARGUMENTS |
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! --------- |
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|
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INTEGER kuaer, ktraer, klim |
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|
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DOUBLE PRECISION pabcu(kdlon, nua, 3*kflev+1) ! ABSORBER AMOUNTS |
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DOUBLE PRECISION padjd(kdlon, kflev+1) ! CONTRIBUTION BY ADJACENT LAYERS |
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DOUBLE PRECISION padju(kdlon, kflev+1) ! CONTRIBUTION BY ADJACENT LAYERS |
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DOUBLE PRECISION pb(kdlon, ninter, kflev+1) ! SPECTRAL HALF-LEVEL PLANCK FUNCTIONS |
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DOUBLE PRECISION pbint(kdlon, kflev+1) ! HALF-LEVEL PLANCK FUNCTIONS |
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DOUBLE PRECISION pbsur(kdlon, ninter) ! SPECTRAL SURFACE PLANCK FUNCTION |
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DOUBLE PRECISION pbsui(kdlon) ! SURFACE PLANCK FUNCTION |
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DOUBLE PRECISION pbtop(kdlon, ninter) ! SPECTRAL T.O.A. PLANCK FUNCTION |
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DOUBLE PRECISION pdisd(kdlon, kflev+1) ! CONTRIBUTION BY DISTANT LAYERS |
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DOUBLE PRECISION pdisu(kdlon, kflev+1) ! CONTRIBUTION BY DISTANT LAYERS |
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DOUBLE PRECISION pemis(kdlon) ! SURFACE EMISSIVITY |
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DOUBLE PRECISION ppmb(kdlon, kflev+1) ! PRESSURE MB |
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DOUBLE PRECISION pga(kdlon, 8, 2, kflev) ! PADE APPROXIMANTS |
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DOUBLE PRECISION pgb(kdlon, 8, 2, kflev) ! PADE APPROXIMANTS |
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DOUBLE PRECISION pgasur(kdlon, 8, 2) ! SURFACE PADE APPROXIMANTS |
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DOUBLE PRECISION pgbsur(kdlon, 8, 2) ! SURFACE PADE APPROXIMANTS |
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DOUBLE PRECISION pgatop(kdlon, 8, 2) ! T.O.A. PADE APPROXIMANTS |
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DOUBLE PRECISION pgbtop(kdlon, 8, 2) ! T.O.A. PADE APPROXIMANTS |
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|
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DOUBLE PRECISION pfluc(kdlon, 2, kflev+1) ! CLEAR-SKY RADIATIVE FLUXES |
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DOUBLE PRECISION pcts(kdlon, kflev) ! COOLING-TO-SPACE TERM |
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|
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! * LOCAL VARIABLES: |
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|
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DOUBLE PRECISION zbgnd(kdlon) |
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DOUBLE PRECISION zfd(kdlon) |
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DOUBLE PRECISION zfn10(kdlon) |
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DOUBLE PRECISION zfu(kdlon) |
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DOUBLE PRECISION ztt(kdlon, ntra) |
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DOUBLE PRECISION ztt1(kdlon, ntra) |
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DOUBLE PRECISION zuu(kdlon, nua) |
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DOUBLE PRECISION zcnsol(kdlon) |
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DOUBLE PRECISION zcntop(kdlon) |
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|
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INTEGER jk, jl, ja |
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INTEGER jstra, jstru |
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INTEGER in, jlim |
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DOUBLE PRECISION zctstr |
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! ----------------------------------------------------------------------- |
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|
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! * 1. INITIALIZATION |
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! -------------- |
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|
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|
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|
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! * 1.2 INITIALIZE TRANSMISSION FUNCTIONS |
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! --------------------------------- |
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|
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|
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DO ja = 1, ntra |
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DO jl = 1, kdlon |
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ztt(jl, ja) = 1.0 |
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ztt1(jl, ja) = 1.0 |
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END DO |
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END DO |
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|
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DO ja = 1, nua |
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DO jl = 1, kdlon |
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zuu(jl, ja) = 1.0 |
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END DO |
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END DO |
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|
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! ------------------------------------------------------------------ |
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|
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! * 2. VERTICAL INTEGRATION |
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! -------------------- |
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|
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! * 2.3 EXCHANGE WITH TOP OF THE ATMOSPHERE |
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! ----------------------------------- |
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|
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|
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DO jk = 1, kflev |
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in = (jk-1)*ng1p1 + 1 |
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|
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DO ja = 1, kuaer |
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DO jl = 1, kdlon |
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zuu(jl, ja) = pabcu(jl, ja, in) |
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END DO |
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END DO |
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|
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|
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CALL lwtt(pgatop(1,1,1), pgbtop(1,1,1), zuu, ztt) |
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|
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DO jl = 1, kdlon |
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zcntop(jl) = pbtop(jl, 1)*ztt(jl, 1)*ztt(jl, 10) + & |
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pbtop(jl, 2)*ztt(jl, 2)*ztt(jl, 7)*ztt(jl, 11) + & |
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pbtop(jl, 3)*ztt(jl, 4)*ztt(jl, 8)*ztt(jl, 12) + & |
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pbtop(jl, 4)*ztt(jl, 5)*ztt(jl, 9)*ztt(jl, 13) + & |
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pbtop(jl, 5)*ztt(jl, 3)*ztt(jl, 14) + pbtop(jl, 6)*ztt(jl, 6)*ztt(jl, & |
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15) |
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zfd(jl) = zcntop(jl) - pbint(jl, jk) - pdisd(jl, jk) - padjd(jl, jk) |
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pfluc(jl, 2, jk) = zfd(jl) |
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END DO |
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|
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END DO |
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|
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jk = kflev + 1 |
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in = (jk-1)*ng1p1 + 1 |
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|
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DO jl = 1, kdlon |
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zcntop(jl) = pbtop(jl, 1) + pbtop(jl, 2) + pbtop(jl, 3) + pbtop(jl, 4) + & |
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pbtop(jl, 5) + pbtop(jl, 6) |
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zfd(jl) = zcntop(jl) - pbint(jl, jk) - pdisd(jl, jk) - padjd(jl, jk) |
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pfluc(jl, 2, jk) = zfd(jl) |
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END DO |
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|
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! * 2.4 COOLING-TO-SPACE OF LAYERS ABOVE 10 HPA |
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! --------------------------------------- |
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|
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|
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|
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! * 2.4.1 INITIALIZATION |
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! -------------- |
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|
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|
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jlim = kflev |
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|
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IF (.NOT. levoigt) THEN |
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DO jk = kflev, 1, -1 |
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IF (ppmb(1,jk)<10.0) THEN |
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jlim = jk |
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END IF |
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END DO |
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END IF |
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klim = jlim |
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|
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IF (.NOT. levoigt) THEN |
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DO ja = 1, ktraer |
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DO jl = 1, kdlon |
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ztt1(jl, ja) = 1.0 |
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END DO |
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END DO |
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|
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! * 2.4.2 LOOP OVER LAYERS ABOVE 10 HPA |
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! ----------------------------- |
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|
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|
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DO jstra = kflev, jlim, -1 |
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jstru = (jstra-1)*ng1p1 + 1 |
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|
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DO ja = 1, kuaer |
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DO jl = 1, kdlon |
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zuu(jl, ja) = pabcu(jl, ja, jstru) |
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END DO |
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END DO |
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|
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|
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CALL lwtt(pga(1,1,1,jstra), pgb(1,1,1,jstra), zuu, ztt) |
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|
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DO jl = 1, kdlon |
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zctstr = (pb(jl,1,jstra)+pb(jl,1,jstra+1))* & |
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(ztt1(jl,1)*ztt1(jl,10)-ztt(jl,1)*ztt(jl,10)) + & |
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(pb(jl,2,jstra)+pb(jl,2,jstra+1))*(ztt1(jl,2)*ztt1(jl,7)*ztt1(jl,11 & |
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)-ztt(jl,2)*ztt(jl,7)*ztt(jl,11)) + (pb(jl,3,jstra)+pb(jl,3,jstra+1 & |
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))*(ztt1(jl,4)*ztt1(jl,8)*ztt1(jl,12)-ztt(jl,4)*ztt(jl,8)*ztt(jl,12 & |
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)) + (pb(jl,4,jstra)+pb(jl,4,jstra+1))*(ztt1(jl,5)*ztt1(jl,9)*ztt1( & |
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jl,13)-ztt(jl,5)*ztt(jl,9)*ztt(jl,13)) + (pb(jl,5,jstra)+pb(jl,5, & |
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jstra+1))*(ztt1(jl,3)*ztt1(jl,14)-ztt(jl,3)*ztt(jl,14)) + & |
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(pb(jl,6,jstra)+pb(jl,6,jstra+1))*(ztt1(jl,6)*ztt1(jl,15)-ztt(jl,6) & |
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*ztt(jl,15)) |
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pcts(jl, jstra) = zctstr*0.5 |
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END DO |
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DO ja = 1, ktraer |
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DO jl = 1, kdlon |
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ztt1(jl, ja) = ztt(jl, ja) |
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END DO |
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END DO |
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END DO |
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END IF |
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! Mise a zero de securite pour PCTS en cas de LEVOIGT |
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IF (levoigt) THEN |
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DO jstra = 1, kflev |
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DO jl = 1, kdlon |
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pcts(jl, jstra) = 0. |
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END DO |
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END DO |
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END IF |
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|
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|
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! * 2.5 EXCHANGE WITH LOWER LIMIT |
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! ------------------------- |
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|
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|
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DO jl = 1, kdlon |
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zbgnd(jl) = pbsui(jl)*pemis(jl) - (1.-pemis(jl))*pfluc(jl, 2, 1) - & |
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pbint(jl, 1) |
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END DO |
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|
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jk = 1 |
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in = (jk-1)*ng1p1 + 1 |
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|
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DO jl = 1, kdlon |
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zcnsol(jl) = pbsur(jl, 1) + pbsur(jl, 2) + pbsur(jl, 3) + pbsur(jl, 4) + & |
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pbsur(jl, 5) + pbsur(jl, 6) |
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zcnsol(jl) = zcnsol(jl)*zbgnd(jl)/pbsui(jl) |
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zfu(jl) = zcnsol(jl) + pbint(jl, jk) - pdisu(jl, jk) - padju(jl, jk) |
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pfluc(jl, 1, jk) = zfu(jl) |
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END DO |
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|
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DO jk = 2, kflev + 1 |
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in = (jk-1)*ng1p1 + 1 |
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|
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|
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DO ja = 1, kuaer |
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DO jl = 1, kdlon |
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zuu(jl, ja) = pabcu(jl, ja, 1) - pabcu(jl, ja, in) |
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END DO |
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END DO |
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|
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|
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CALL lwtt(pgasur(1,1,1), pgbsur(1,1,1), zuu, ztt) |
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|
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DO jl = 1, kdlon |
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zcnsol(jl) = pbsur(jl, 1)*ztt(jl, 1)*ztt(jl, 10) + & |
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pbsur(jl, 2)*ztt(jl, 2)*ztt(jl, 7)*ztt(jl, 11) + & |
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pbsur(jl, 3)*ztt(jl, 4)*ztt(jl, 8)*ztt(jl, 12) + & |
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pbsur(jl, 4)*ztt(jl, 5)*ztt(jl, 9)*ztt(jl, 13) + & |
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pbsur(jl, 5)*ztt(jl, 3)*ztt(jl, 14) + pbsur(jl, 6)*ztt(jl, 6)*ztt(jl, & |
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15) |
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zcnsol(jl) = zcnsol(jl)*zbgnd(jl)/pbsui(jl) |
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zfu(jl) = zcnsol(jl) + pbint(jl, jk) - pdisu(jl, jk) - padju(jl, jk) |
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pfluc(jl, 1, jk) = zfu(jl) |
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END DO |
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|
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|
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END DO |
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|
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|
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|
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! * 2.7 CLEAR-SKY FLUXES |
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! ---------------- |
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|
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|
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IF (.NOT. levoigt) THEN |
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DO jl = 1, kdlon |
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zfn10(jl) = pfluc(jl, 1, jlim) + pfluc(jl, 2, jlim) |
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END DO |
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DO jk = jlim + 1, kflev + 1 |
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DO jl = 1, kdlon |
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zfn10(jl) = zfn10(jl) + pcts(jl, jk-1) |
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pfluc(jl, 1, jk) = zfn10(jl) |
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pfluc(jl, 2, jk) = 0. |
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END DO |
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END DO |
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END IF |
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|
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! ------------------------------------------------------------------ |
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|
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RETURN |
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END SUBROUTINE lwvb |
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