| 1 | SUBROUTINE cv3_enthalpmix(len, nd, iflag, plim1, plim2, p, ph, & |
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| 2 | t, q, u, v, w, wi, nk, tmix, thmix, qmix, qsmix, umix, vmix, plcl) |
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| 3 | ! ************************************************************** |
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| 4 | ! * |
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| 5 | ! CV3_ENTHALPMIX Brassage adiabatique d'une couche d'epaisseur * |
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| 6 | ! arbitraire. * |
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| 7 | ! * |
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| 8 | ! written by : Grandpeix Jean-Yves, 28/12/2001, 13.14.24 * |
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| 9 | ! modified by : Filiberti M-A 06/2005 vectorisation * |
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| 10 | ! ************************************************************** |
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| 11 | USE lmdz_cvthermo |
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| 12 | USE lmdz_yoethf |
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| 13 | |
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| 14 | USE lmdz_yomcst |
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| 15 | |
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| 16 | IMPLICIT NONE |
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| 17 | INCLUDE "FCTTRE.h" |
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| 18 | ! ============================================================== |
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| 19 | |
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| 20 | ! vertmix : determines theta, t, q, qs, u and v of the mixture generated by |
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| 21 | ! adiabatic mixing of air between plim1 and plim2 with weighting w. |
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| 22 | ! If plim1 and plim2 fall within the same model layer, then theta, ... v |
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| 23 | ! are those of that layer. |
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| 24 | ! A minimum value (dpmin) is imposed upon plim1-plim2 |
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| 25 | |
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| 26 | ! =============================================================== |
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| 27 | |
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| 28 | !inputs: |
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| 29 | INTEGER, INTENT (IN) :: nd, len |
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| 30 | INTEGER, DIMENSION (len), INTENT (IN) :: nk |
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| 31 | REAL, DIMENSION (len), INTENT (IN) :: plim1, plim2 |
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| 32 | REAL, DIMENSION (len, nd), INTENT (IN) :: t, q |
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| 33 | REAL, DIMENSION (len, nd), INTENT (IN) :: u, v |
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| 34 | REAL, DIMENSION (nd), INTENT (IN) :: w |
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| 35 | REAL, DIMENSION (len, nd), INTENT (IN) :: p |
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| 36 | REAL, DIMENSION (len, nd + 1), INTENT (IN) :: ph |
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| 37 | !input/output: |
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| 38 | INTEGER, DIMENSION (len), INTENT (INOUT) :: iflag |
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| 39 | !outputs: |
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| 40 | REAL, DIMENSION (len), INTENT (OUT) :: tmix, thmix, qmix |
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| 41 | REAL, DIMENSION (len), INTENT (OUT) :: umix, vmix |
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| 42 | REAL, DIMENSION (len), INTENT (OUT) :: qsmix |
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| 43 | REAL, DIMENSION (len), INTENT (OUT) :: plcl |
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| 44 | REAL, DIMENSION (len, nd), INTENT (OUT) :: wi |
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| 45 | !internal variables : |
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| 46 | INTEGER i, j |
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| 47 | INTEGER niflag7 |
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| 48 | INTEGER, DIMENSION(len) :: j1, j2 |
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| 49 | REAL :: a, b |
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| 50 | REAL :: cpn |
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| 51 | REAL :: x, y, p0, p0m1, zdelta, zcor |
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| 52 | REAL, SAVE :: dpmin = 1. |
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| 53 | !$OMP THREADPRIVATE(dpmin) |
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| 54 | REAL, DIMENSION(len) :: plim2p ! = min(plim2(:),plim1(:)-dpmin) |
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| 55 | REAL, DIMENSION(len) :: akm ! mixture enthalpy |
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| 56 | REAL, DIMENSION(len) :: dpw, coef |
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| 57 | REAL, DIMENSION(len) :: rdcp, a2, b2, pnk |
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| 58 | REAL, DIMENSION(len) :: rh, chi |
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| 59 | REAL, DIMENSION(len) :: eqwght |
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| 60 | REAL, DIMENSION(len, nd) :: p1, p2 |
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| 61 | |
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| 62 | |
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| 63 | !! PRINT *,' ->cv3_vertmix, plim1,plim2 ', plim1,plim2 !jyg |
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| 64 | plim2p(:) = min(plim2(:), plim1(:) - dpmin) |
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| 65 | j1(:) = nd |
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| 66 | j2(:) = 0 |
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| 67 | DO j = 1, nd |
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| 68 | DO i = 1, len |
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| 69 | IF (plim1(i)<=ph(i, j)) j1(i) = j |
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| 70 | !!! IF (plim2p(i)>=ph(i,j+1) .AND. plim2p(i)<ph(i,j)) j2(i) = j |
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| 71 | IF (plim2p(i)< ph(i, j)) j2(i) = j |
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| 72 | END DO |
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| 73 | END DO |
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| 74 | |
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| 75 | DO j = 1, nd |
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| 76 | DO i = 1, len |
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| 77 | wi(i, j) = 0. |
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| 78 | END DO |
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| 79 | END DO |
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| 80 | DO i = 1, len |
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| 81 | akm(i) = 0. |
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| 82 | qmix(i) = 0. |
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| 83 | umix(i) = 0. |
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| 84 | vmix(i) = 0. |
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| 85 | dpw(i) = 0. |
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| 86 | a2(i) = 0.0 |
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| 87 | b2(i) = 0. |
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| 88 | pnk(i) = p(i, nk(i)) |
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| 89 | END DO |
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| 90 | eqwght(:) = 0. |
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| 91 | |
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| 92 | p0 = 1000. |
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| 93 | p0m1 = 1. / p0 |
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| 94 | |
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| 95 | DO i = 1, len |
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| 96 | IF (j2(i) < j1(i)) THEN |
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| 97 | coef(i) = 1. |
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| 98 | eqwght(i) = 1. |
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| 99 | ELSE |
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| 100 | coef(i) = 1. / (plim1(i) - plim2p(i)) |
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| 101 | ENDIF |
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| 102 | END DO |
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| 103 | |
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| 104 | !! PRINT *,'cv3_vertmix, j1,j2,coef ', j1,j2,coef !jyg |
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| 105 | |
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| 106 | DO j = 1, nd |
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| 107 | DO i = 1, len |
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| 108 | IF (j>=j1(i) .AND. j<=j2(i)) THEN |
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| 109 | p1(i, j) = min(ph(i, j), plim1(i)) |
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| 110 | p2(i, j) = max(ph(i, j + 1), plim2p(i)) |
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| 111 | ! CRtest:couplage thermiques: deja normalise |
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| 112 | ! wi(i,j) = w(j) |
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| 113 | ! PRINT*,'wi',wi(i,j) |
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| 114 | wi(i, j) = w(j) * (p1(i, j) - p2(i, j)) * coef(i) + eqwght(i) |
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| 115 | dpw(i) = dpw(i) + wi(i, j) |
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| 116 | |
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| 117 | !! PRINT *,'cv3_vertmix, j, wi(1,j),dpw ', j, wi(1,j),dpw !jyg |
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| 118 | |
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| 119 | END IF |
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| 120 | END DO |
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| 121 | END DO |
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| 122 | |
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| 123 | ! CR:print |
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| 124 | ! do i=1,len |
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| 125 | ! PRINT*,'plim',plim1(i),plim2p(i) |
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| 126 | ! enddo |
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| 127 | DO j = 1, nd |
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| 128 | DO i = 1, len |
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| 129 | IF (j>=j1(i) .AND. j<=j2(i)) THEN |
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| 130 | wi(i, j) = wi(i, j) / dpw(i) |
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| 131 | akm(i) = akm(i) + (cpd * (1. - q(i, j)) + q(i, j) * cpv) * t(i, j) * wi(i, j) |
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| 132 | qmix(i) = qmix(i) + q(i, j) * wi(i, j) |
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| 133 | umix(i) = umix(i) + u(i, j) * wi(i, j) |
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| 134 | vmix(i) = vmix(i) + v(i, j) * wi(i, j) |
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| 135 | END IF |
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| 136 | END DO |
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| 137 | END DO |
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| 138 | |
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| 139 | DO i = 1, len |
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| 140 | rdcp(i) = (rrd * (1. - qmix(i)) + qmix(i) * rrv) / (cpd * (1. - qmix(i)) + qmix(i) * cpv) |
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| 141 | END DO |
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| 142 | |
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| 143 | |
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| 144 | !! PRINT *,'cv3_vertmix, rdcp ', rdcp !jyg |
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| 145 | |
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| 146 | DO j = 1, nd |
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| 147 | DO i = 1, len |
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| 148 | IF (j>=j1(i) .AND. j<=j2(i)) THEN |
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| 149 | ! c x=(.5*(p1(i,j)+p2(i,j))*p0m1)**rdcp(i) |
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| 150 | y = (.5 * (p1(i, j) + p2(i, j)) / pnk(i))**rdcp(i) |
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| 151 | ! c a2(i)=a2(i)+(cpd*(1.-qmix(i))+qmix(i)*cpv)*x*wi(i,j) |
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| 152 | b2(i) = b2(i) + (cpd * (1. - qmix(i)) + qmix(i) * cpv) * y * wi(i, j) |
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| 153 | END IF |
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| 154 | END DO |
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| 155 | END DO |
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| 156 | |
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| 157 | DO i = 1, len |
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| 158 | tmix(i) = akm(i) / b2(i) |
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| 159 | thmix(i) = tmix(i) * (p0 / pnk(i))**rdcp(i) |
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| 160 | ! PRINT*,'thmix akm',akm(i),b2(i) |
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| 161 | ! PRINT*,'thmix t',tmix(i),p0 |
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| 162 | ! PRINT*,'thmix p',pnk(i),rdcp(i) |
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| 163 | ! PRINT*,'thmix',thmix(i) |
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| 164 | ! c thmix(i) = akm(i)/a2(i) |
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| 165 | ! c tmix(i)= thmix(i)*(pnk(i)*p0m1)**rdcp(i) |
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| 166 | zdelta = max(0., sign(1., rtt - tmix(i))) |
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| 167 | qsmix(i) = r2es * foeew(tmix(i), zdelta) / (pnk(i) * 100.) |
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| 168 | qsmix(i) = min(0.5, qsmix(i)) |
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| 169 | zcor = 1. / (1. - retv * qsmix(i)) |
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| 170 | qsmix(i) = qsmix(i) * zcor |
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| 171 | END DO |
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| 172 | |
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| 173 | ! ------------------------------------------------------------------- |
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| 174 | ! --- Calculate lifted condensation level of air at parcel origin level |
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| 175 | ! --- (Within 0.2% of formula of Bolton, MON. WEA. REV.,1980) |
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| 176 | ! ------------------------------------------------------------------- |
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| 177 | |
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| 178 | a = 1669.0 ! convect3 |
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| 179 | b = 122.0 ! convect3 |
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| 180 | |
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| 181 | niflag7 = 0 |
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| 182 | DO i = 1, len |
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| 183 | |
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| 184 | IF (iflag(i)/=7) THEN ! modif sb Jun7th 2002 |
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| 185 | |
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| 186 | rh(i) = qmix(i) / qsmix(i) |
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| 187 | chi(i) = tmix(i) / (a - b * rh(i) - tmix(i)) ! convect3 |
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| 188 | ! ATTENTION, la LIGNE DESSOUS A ETE RAJOUTEE ARBITRAIREMENT ET |
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| 189 | ! MASQUE UN PB POTENTIEL |
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| 190 | chi(i) = max(chi(i), 0.) |
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| 191 | rh(i) = max(rh(i), 0.) |
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| 192 | plcl(i) = pnk(i) * (rh(i)**chi(i)) |
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| 193 | IF (((plcl(i)<200.0) .OR. (plcl(i)>=2000.0)) .AND. (iflag(i)==0)) & |
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| 194 | iflag(i) = 8 |
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| 195 | |
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| 196 | ELSE |
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| 197 | |
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| 198 | niflag7 = niflag7 + 1 |
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| 199 | plcl(i) = plim2p(i) |
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| 200 | |
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| 201 | END IF ! iflag=7 |
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| 202 | |
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| 203 | ! PRINT*,'NIFLAG7 =',niflag7 |
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| 204 | |
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| 205 | END DO |
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| 206 | |
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| 207 | !! PRINT *,' cv3_vertmix->' !jyg |
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| 208 | |
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| 209 | END SUBROUTINE cv3_enthalpmix |
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| 210 | |
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