[1992] | 1 | |
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[1403] | 2 | ! $Id: cv3_cine.F90 2435 2016-01-28 16:02:13Z aborella $ |
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[879] | 3 | |
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[1992] | 4 | SUBROUTINE cv3_cine(nloc, ncum, nd, icb, inb, pbase, plcl, p, ph, tv, tvp, & |
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| 5 | cina, cinb, plfc) |
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| 6 | |
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| 7 | ! ************************************************************** |
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| 8 | ! * |
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| 9 | ! CV3_CINE * |
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| 10 | ! * |
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| 11 | ! * |
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| 12 | ! written by : Frederique Cheruy * |
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| 13 | ! vectorization: Jean-Yves Grandpeix, 19/06/2003, 11.54.43 * |
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| 14 | ! modified by : * |
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| 15 | ! ************************************************************** |
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| 16 | |
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| 17 | IMPLICIT NONE |
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| 18 | |
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| 19 | include "YOMCST.h" |
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| 20 | include "cvthermo.h" |
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| 21 | include "cv3param.h" |
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| 22 | ! input: |
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| 23 | INTEGER ncum, nd, nloc |
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| 24 | INTEGER icb(nloc), inb(nloc) |
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| 25 | REAL pbase(nloc), plcl(nloc) |
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| 26 | REAL p(nloc, nd), ph(nloc, nd+1) |
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| 27 | REAL tv(nloc, nd), tvp(nloc, nd) |
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| 28 | |
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| 29 | ! output |
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| 30 | REAL cina(nloc), cinb(nloc), plfc(nloc) |
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| 31 | |
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| 32 | ! local variables |
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| 33 | INTEGER il, i, j, k |
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| 34 | INTEGER itop(nloc), ineg(nloc), ilow(nloc) |
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| 35 | INTEGER ifst(nloc), isublcl(nloc) |
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[2435] | 36 | LOGICAL lswitch(nloc), lswitch1(nloc), lswitch2(nloc), lswitch3(nloc) |
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[1992] | 37 | LOGICAL exist_lfc(nloc) |
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| 38 | REAL dpmax |
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| 39 | REAL deltap, dcin |
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| 40 | REAL buoylcl(nloc), tvplcl(nloc), tvlcl(nloc) |
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| 41 | REAL p0(nloc) |
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| 42 | REAL buoyz(nloc), buoy(nloc, nd) |
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| 43 | |
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| 44 | ! ------------------------------------------------------------- |
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| 45 | ! Initialization |
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| 46 | ! ------------------------------------------------------------- |
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| 47 | DO il = 1, ncum |
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| 48 | cina(il) = 0. |
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| 49 | cinb(il) = 0. |
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| 50 | END DO |
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| 51 | |
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| 52 | ! -------------------------------------------------------------- |
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| 53 | ! Recompute buoyancies |
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| 54 | ! -------------------------------------------------------------- |
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| 55 | DO k = 1, nd |
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| 56 | DO il = 1, ncum |
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| 57 | ! print*,'tvp tv=',tvp(il,k),tv(il,k) |
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| 58 | buoy(il, k) = tvp(il, k) - tv(il, k) |
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| 59 | END DO |
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| 60 | END DO |
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| 61 | ! --------------------------------------------------------------- |
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| 62 | |
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| 63 | ! calcul de la flottabilite a LCL (Buoylcl) |
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| 64 | ! ifst = first P-level above lcl |
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| 65 | ! isublcl = highest P-level below lcl. |
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| 66 | ! --------------------------------------------------------------- |
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| 67 | |
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| 68 | DO il = 1, ncum |
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| 69 | tvplcl(il) = tvp(il, 1)*(plcl(il)/p(il,1))**(2./7.) !For dry air, R/Cp=2/7 |
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| 70 | END DO |
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| 71 | |
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| 72 | DO il = 1, ncum |
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| 73 | IF (plcl(il)>p(il,icb(il))) THEN |
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| 74 | ifst(il) = icb(il) |
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| 75 | isublcl(il) = icb(il) - 1 |
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| 76 | ELSE |
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| 77 | ifst(il) = icb(il) + 1 |
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| 78 | isublcl(il) = icb(il) |
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| 79 | END IF |
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| 80 | END DO |
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| 81 | |
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| 82 | DO il = 1, ncum |
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| 83 | tvlcl(il) = tv(il, ifst(il)-1) + (tv(il,ifst(il))-tv(il,ifst(il)-1))*( & |
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| 84 | plcl(il)-p(il,ifst(il)-1))/(p(il,ifst(il))-p(il,ifst(il)-1)) |
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| 85 | END DO |
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| 86 | |
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| 87 | DO il = 1, ncum |
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| 88 | buoylcl(il) = tvplcl(il) - tvlcl(il) |
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| 89 | END DO |
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| 90 | |
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| 91 | ! --------------------------------------------------------------- |
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| 92 | ! premiere couche contenant un niveau de flotabilite positive |
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| 93 | ! et premiere couche contenant un niveau de flotabilite negative |
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| 94 | ! au dessus du niveau de condensation |
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| 95 | ! --------------------------------------------------------------- |
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| 96 | DO il = 1, ncum |
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| 97 | itop(il) = nl - 1 |
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| 98 | ineg(il) = nl - 1 |
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| 99 | exist_lfc(il) = .FALSE. |
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| 100 | END DO |
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| 101 | DO k = nl - 1, 1, -1 |
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| 102 | DO il = 1, ncum |
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| 103 | IF (k>=ifst(il)) THEN |
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| 104 | IF (buoy(il,k)>0.) THEN |
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| 105 | itop(il) = k |
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[1146] | 106 | exist_lfc(il) = .TRUE. |
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[1992] | 107 | ELSE |
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| 108 | ineg(il) = k |
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| 109 | END IF |
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| 110 | END IF |
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| 111 | END DO |
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| 112 | END DO |
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| 113 | |
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| 114 | ! --------------------------------------------------------------- |
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| 115 | ! When there is no positive buoyancy level, set Plfc, Cina and Cinb |
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| 116 | ! to arbitrary extreme values. |
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| 117 | ! --------------------------------------------------------------- |
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| 118 | DO il = 1, ncum |
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| 119 | IF (.NOT. exist_lfc(il)) THEN |
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| 120 | plfc(il) = 1.111 |
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| 121 | cinb(il) = -1111. |
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| 122 | cina(il) = -1112. |
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| 123 | END IF |
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| 124 | END DO |
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| 125 | |
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| 126 | |
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| 127 | ! --------------------------------------------------------------- |
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| 128 | ! -- Two cases : BUOYlcl >= 0 and BUOYlcl < 0. |
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| 129 | ! --------------------------------------------------------------- |
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| 130 | |
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| 131 | ! -------------------- |
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| 132 | ! -- 1.0 BUOYlcl >=0. |
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| 133 | ! -------------------- |
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| 134 | |
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| 135 | dpmax = 50. |
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| 136 | DO il = 1, ncum |
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| 137 | lswitch1(il) = buoylcl(il) >= 0. .AND. exist_lfc(il) |
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| 138 | lswitch(il) = lswitch1(il) |
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| 139 | END DO |
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| 140 | |
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| 141 | ! 1.1 No inhibition case |
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| 142 | ! ---------------------- |
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| 143 | ! If buoyancy is positive at LCL and stays positive over a large enough |
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| 144 | ! pressure interval (=DPMAX), inhibition is set to zero, |
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| 145 | |
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| 146 | DO il = 1, ncum |
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| 147 | IF (lswitch(il)) THEN |
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| 148 | IF (p(il,ineg(il))<p(il,icb(il))-dpmax) THEN |
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| 149 | plfc(il) = plcl(il) |
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| 150 | cina(il) = 0. |
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| 151 | cinb(il) = 0. |
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| 152 | END IF |
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| 153 | END IF |
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| 154 | END DO |
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| 155 | |
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| 156 | ! 1.2 Upper inhibition only case |
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| 157 | ! ------------------------------ |
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| 158 | DO il = 1, ncum |
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| 159 | lswitch2(il) = p(il, ineg(il)) >= p(il, icb(il)) - dpmax |
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| 160 | lswitch(il) = lswitch1(il) .AND. lswitch2(il) |
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| 161 | END DO |
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| 162 | |
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[2435] | 163 | ! 1.2.1 Recompute itop (=1st layer with positive buoyancy above ineg) |
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| 164 | ! ------------------------------------------------------------------- |
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| 165 | |
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[1992] | 166 | DO il = 1, ncum |
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| 167 | IF (lswitch(il)) THEN |
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[2435] | 168 | itop(il) = nl - 1 |
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| 169 | END IF |
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| 170 | END DO |
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| 171 | |
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| 172 | DO k = nl, 1, -1 |
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| 173 | DO il = 1, ncum |
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| 174 | IF (lswitch(il)) THEN |
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| 175 | IF (k>=ineg(il) .AND. buoy(il,k)>0) THEN |
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| 176 | itop(il) = k |
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| 177 | END IF |
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| 178 | END IF |
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| 179 | END DO |
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| 180 | END DO |
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| 181 | |
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| 182 | ! If there is no layer with positive buoyancy above ineg, set Plfc, |
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| 183 | ! Cina and Cinb to arbitrary extreme values. |
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| 184 | DO il = 1, ncum |
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| 185 | IF (lswitch(il) .AND. itop(il) == nl - 1) THEN |
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| 186 | plfc(il) = 1.121 |
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| 187 | cinb(il) = -1121. |
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| 188 | cina(il) = -1122. |
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| 189 | END IF |
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| 190 | END DO |
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| 191 | |
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| 192 | DO il = 1, ncum |
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| 193 | lswitch3(il) = itop(il) < nl -1 |
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| 194 | lswitch(il) = lswitch1(il) .AND. lswitch2(il) .AND. lswitch3(il) |
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| 195 | END DO |
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| 196 | |
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| 197 | DO il = 1, ncum |
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| 198 | IF (lswitch(il)) THEN |
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[1992] | 199 | cinb(il) = 0. |
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| 200 | |
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[2435] | 201 | ! 1.2.2 Calcul de la pression du niveau de flot. nulle juste au-dessus |
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[1992] | 202 | ! de LCL |
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| 203 | ! --------------------------------------------------------------------------- |
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| 204 | IF (ineg(il)>isublcl(il)+1) THEN |
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| 205 | ! In order to get P0, one may interpolate linearly buoyancies |
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| 206 | ! between P(ineg) and P(ineg-1). |
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[2435] | 207 | p0(il) = (buoy(il,ineg(il))*p(il,ineg(il)-1)-buoy(il,ineg(il)-1)*p(il,ineg(il)))/ & |
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| 208 | (buoy(il,ineg(il))-buoy(il,ineg(il)-1)) |
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[1992] | 209 | ELSE |
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| 210 | ! In order to get P0, one has to interpolate between P(ineg) and |
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| 211 | ! Plcl. |
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| 212 | p0(il) = (buoy(il,ineg(il))*plcl(il)-buoylcl(il)*p(il,ineg(il)))/ & |
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| 213 | (buoy(il,ineg(il))-buoylcl(il)) |
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| 214 | END IF |
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| 215 | END IF |
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| 216 | END DO |
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| 217 | |
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| 218 | ! 1.2.3 Computation of PLFC |
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| 219 | ! ------------------------- |
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| 220 | DO il = 1, ncum |
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| 221 | IF (lswitch(il)) THEN |
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| 222 | plfc(il) = (buoy(il,itop(il))*p(il,itop(il)-1)-buoy(il,itop( & |
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| 223 | il)-1)*p(il,itop(il)))/(buoy(il,itop(il))-buoy(il,itop(il)-1)) |
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| 224 | END IF |
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| 225 | END DO |
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| 226 | |
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| 227 | ! 1.2.4 Computation of CINA |
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| 228 | ! ------------------------- |
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| 229 | |
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| 230 | ! Upper part of CINA : integral from P(itop-1) to Plfc |
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| 231 | DO il = 1, ncum |
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| 232 | IF (lswitch(il)) THEN |
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| 233 | deltap = p(il, itop(il)-1) - plfc(il) |
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| 234 | dcin = rd*buoy(il, itop(il)-1)*deltap/(p(il,itop(il)-1)+plfc(il)) |
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| 235 | cina(il) = min(0., dcin) |
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| 236 | END IF |
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| 237 | END DO |
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| 238 | |
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| 239 | ! Middle part of CINA : integral from P(ineg) to P(itop-1) |
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| 240 | DO k = 1, nl |
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| 241 | DO il = 1, ncum |
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[879] | 242 | IF (lswitch(il)) THEN |
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[1992] | 243 | IF (k>=ineg(il) .AND. k<=itop(il)-2) THEN |
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| 244 | deltap = p(il, k) - p(il, k+1) |
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| 245 | dcin = 0.5*rd*(buoy(il,k)+buoy(il,k+1))*deltap/ph(il, k+1) |
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| 246 | cina(il) = cina(il) + min(0., dcin) |
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| 247 | END IF |
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| 248 | END IF |
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| 249 | END DO |
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| 250 | END DO |
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[879] | 251 | |
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[1992] | 252 | ! Lower part of CINA : integral from P0 to P(ineg) |
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| 253 | DO il = 1, ncum |
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| 254 | IF (lswitch(il)) THEN |
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| 255 | deltap = p0(il) - p(il, ineg(il)) |
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| 256 | dcin = rd*buoy(il, ineg(il))*deltap/(p(il,ineg(il))+p0(il)) |
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| 257 | cina(il) = cina(il) + min(0., dcin) |
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| 258 | END IF |
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| 259 | END DO |
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[879] | 260 | |
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[1992] | 261 | |
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| 262 | ! ------------------ |
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| 263 | ! -- 2.0 BUOYlcl <0. |
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| 264 | ! ------------------ |
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| 265 | |
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| 266 | DO il = 1, ncum |
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| 267 | lswitch1(il) = buoylcl(il) < 0. .AND. exist_lfc(il) |
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| 268 | lswitch(il) = lswitch1(il) |
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| 269 | END DO |
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| 270 | |
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| 271 | ! 2.0.1 Premiere couche ou la flotabilite est negative au dessus du sol |
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| 272 | ! ---------------------------------------------------- |
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| 273 | ! au cas ou elle existe sinon ilow=1 (nk apres) |
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| 274 | ! on suppose que la parcelle part de la premiere couche |
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| 275 | |
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| 276 | DO il = 1, ncum |
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| 277 | IF (lswitch(il)) THEN |
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| 278 | ilow(il) = 1 |
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| 279 | END IF |
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| 280 | END DO |
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| 281 | |
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| 282 | DO k = nl, 1, -1 |
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| 283 | DO il = 1, ncum |
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| 284 | IF (lswitch(il) .AND. k<=icb(il)-1) THEN |
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| 285 | IF (buoy(il,k)<0.) THEN |
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| 286 | ilow(il) = k |
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| 287 | END IF |
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| 288 | END IF |
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| 289 | END DO |
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| 290 | END DO |
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| 291 | |
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| 292 | ! 2.0.2 Calcul de la pression du niveau de flot. nulle sous le nuage |
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| 293 | ! ---------------------------------------------------- |
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| 294 | DO il = 1, ncum |
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| 295 | IF (lswitch(il)) THEN |
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| 296 | IF (ilow(il)>1) THEN |
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| 297 | p0(il) = (buoy(il,ilow(il))*p(il,ilow(il)-1)-buoy(il,ilow( & |
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| 298 | il)-1)*p(il,ilow(il)))/(buoy(il,ilow(il))-buoy(il,ilow(il)-1)) |
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| 299 | buoyz(il) = 0. |
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| 300 | ELSE |
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| 301 | p0(il) = p(il, 1) |
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| 302 | buoyz(il) = buoy(il, 1) |
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| 303 | END IF |
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| 304 | END IF |
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| 305 | END DO |
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| 306 | |
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| 307 | ! 2.1. Computation of CINB |
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| 308 | ! ----------------------- |
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| 309 | |
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| 310 | DO il = 1, ncum |
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| 311 | lswitch2(il) = (isublcl(il)==1 .AND. ilow(il)==1) .OR. & |
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| 312 | (isublcl(il)==ilow(il)-1) |
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| 313 | lswitch(il) = lswitch1(il) .AND. lswitch2(il) |
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| 314 | END DO |
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| 315 | ! c IF ( (isublcl .EQ. 1 .AND. ilow .EQ. 1) |
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| 316 | ! c $ .OR.(isublcl .EQ. ilow-1)) THEN |
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| 317 | |
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| 318 | ! 2.1.1 First case : Plcl just above P0 |
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| 319 | ! ------------------------------------- |
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| 320 | DO il = 1, ncum |
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| 321 | IF (lswitch(il)) THEN |
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| 322 | deltap = p0(il) - plcl(il) |
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| 323 | dcin = rd*(buoyz(il)+buoylcl(il))*deltap/(p0(il)+plcl(il)) |
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| 324 | cinb(il) = min(0., dcin) |
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| 325 | END IF |
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| 326 | END DO |
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| 327 | |
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| 328 | DO il = 1, ncum |
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| 329 | lswitch(il) = lswitch1(il) .AND. .NOT. lswitch2(il) |
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| 330 | END DO |
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| 331 | ! c ELSE |
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| 332 | |
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| 333 | ! 2.1.2 Second case : there is at least one P-level between P0 and Plcl |
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| 334 | ! --------------------------------------------------------------------- |
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| 335 | |
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| 336 | ! Lower part of CINB : integral from P0 to P(ilow) |
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| 337 | DO il = 1, ncum |
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| 338 | IF (lswitch(il)) THEN |
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| 339 | deltap = p0(il) - p(il, ilow(il)) |
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| 340 | dcin = rd*(buoyz(il)+buoy(il,ilow(il)))*deltap/(p0(il)+p(il,ilow(il))) |
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| 341 | cinb(il) = min(0., dcin) |
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| 342 | END IF |
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| 343 | END DO |
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| 344 | |
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| 345 | |
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| 346 | ! Middle part of CINB : integral from P(ilow) to P(isublcl) |
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| 347 | ! c DO k = ilow,isublcl-1 |
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| 348 | DO k = 1, nl |
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| 349 | DO il = 1, ncum |
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| 350 | IF (lswitch(il) .AND. k>=ilow(il) .AND. k<=isublcl(il)-1) THEN |
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| 351 | deltap = p(il, k) - p(il, k+1) |
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| 352 | dcin = 0.5*rd*(buoy(il,k)+buoy(il,k+1))*deltap/ph(il, k+1) |
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| 353 | cinb(il) = cinb(il) + min(0., dcin) |
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| 354 | END IF |
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| 355 | END DO |
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| 356 | END DO |
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| 357 | |
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| 358 | ! Upper part of CINB : integral from P(isublcl) to Plcl |
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| 359 | DO il = 1, ncum |
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| 360 | IF (lswitch(il)) THEN |
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| 361 | deltap = p(il, isublcl(il)) - plcl(il) |
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| 362 | dcin = rd*(buoy(il,isublcl(il))+buoylcl(il))*deltap/ & |
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| 363 | (p(il,isublcl(il))+plcl(il)) |
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| 364 | cinb(il) = cinb(il) + min(0., dcin) |
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| 365 | END IF |
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| 366 | END DO |
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| 367 | |
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| 368 | |
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| 369 | ! c ENDIF |
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| 370 | |
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| 371 | ! 2.2 Computation of CINA |
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| 372 | ! --------------------- |
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| 373 | |
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| 374 | DO il = 1, ncum |
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| 375 | lswitch2(il) = plcl(il) > p(il, itop(il)-1) |
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| 376 | lswitch(il) = lswitch1(il) .AND. lswitch2(il) |
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| 377 | END DO |
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| 378 | |
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| 379 | ! 2.2.1 FIrst case : Plcl > P(itop-1) |
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| 380 | ! --------------------------------- |
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| 381 | ! In order to get Plfc, one may interpolate linearly buoyancies |
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| 382 | ! between P(itop) and P(itop-1). |
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| 383 | DO il = 1, ncum |
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| 384 | IF (lswitch(il)) THEN |
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| 385 | plfc(il) = (buoy(il,itop(il))*p(il,itop(il)-1)-buoy(il,itop( & |
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| 386 | il)-1)*p(il,itop(il)))/(buoy(il,itop(il))-buoy(il,itop(il)-1)) |
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| 387 | END IF |
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| 388 | END DO |
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| 389 | |
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| 390 | ! Upper part of CINA : integral from P(itop-1) to Plfc |
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| 391 | DO il = 1, ncum |
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| 392 | IF (lswitch(il)) THEN |
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| 393 | deltap = p(il, itop(il)-1) - plfc(il) |
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| 394 | dcin = rd*buoy(il, itop(il)-1)*deltap/(p(il,itop(il)-1)+plfc(il)) |
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| 395 | cina(il) = min(0., dcin) |
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| 396 | END IF |
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| 397 | END DO |
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| 398 | |
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| 399 | ! Middle part of CINA : integral from P(icb+1) to P(itop-1) |
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| 400 | DO k = 1, nl |
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| 401 | DO il = 1, ncum |
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| 402 | IF (lswitch(il) .AND. k>=icb(il)+1 .AND. k<=itop(il)-2) THEN |
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| 403 | deltap = p(il, k) - p(il, k+1) |
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| 404 | dcin = 0.5*rd*(buoy(il,k)+buoy(il,k+1))*deltap/ph(il, k+1) |
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| 405 | cina(il) = cina(il) + min(0., dcin) |
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| 406 | END IF |
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| 407 | END DO |
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| 408 | END DO |
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| 409 | |
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| 410 | ! Lower part of CINA : integral from Plcl to P(icb+1) |
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| 411 | DO il = 1, ncum |
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| 412 | IF (lswitch(il)) THEN |
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| 413 | IF (plcl(il)>p(il,icb(il))) THEN |
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| 414 | IF (icb(il)<itop(il)-1) THEN |
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| 415 | deltap = p(il, icb(il)) - p(il, icb(il)+1) |
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| 416 | dcin = 0.5*rd*(buoy(il,icb(il))+buoy(il,icb(il)+1))*deltap/ & |
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| 417 | ph(il, icb(il)+1) |
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| 418 | cina(il) = cina(il) + min(0., dcin) |
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| 419 | END IF |
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| 420 | |
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| 421 | deltap = plcl(il) - p(il, icb(il)) |
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| 422 | dcin = rd*(buoylcl(il)+buoy(il,icb(il)))*deltap/ & |
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| 423 | (plcl(il)+p(il,icb(il))) |
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| 424 | cina(il) = cina(il) + min(0., dcin) |
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| 425 | ELSE |
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| 426 | deltap = plcl(il) - p(il, icb(il)+1) |
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| 427 | dcin = rd*(buoylcl(il)+buoy(il,icb(il)+1))*deltap/ & |
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| 428 | (plcl(il)+p(il,icb(il)+1)) |
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| 429 | cina(il) = cina(il) + min(0., dcin) |
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| 430 | END IF |
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| 431 | END IF |
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| 432 | END DO |
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| 433 | |
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| 434 | DO il = 1, ncum |
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| 435 | lswitch(il) = lswitch1(il) .AND. .NOT. lswitch2(il) |
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| 436 | END DO |
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| 437 | ! c ELSE |
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| 438 | |
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| 439 | ! 2.2.2 Second case : Plcl lies between P(itop-1) and P(itop); |
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| 440 | ! ---------------------------------------------------------- |
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| 441 | ! In order to get Plfc, one has to interpolate between P(itop) and Plcl. |
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| 442 | DO il = 1, ncum |
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| 443 | IF (lswitch(il)) THEN |
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| 444 | plfc(il) = (buoy(il,itop(il))*plcl(il)-buoylcl(il)*p(il,itop(il)))/ & |
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| 445 | (buoy(il,itop(il))-buoylcl(il)) |
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| 446 | END IF |
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| 447 | END DO |
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| 448 | |
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| 449 | DO il = 1, ncum |
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| 450 | IF (lswitch(il)) THEN |
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| 451 | deltap = plcl(il) - plfc(il) |
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| 452 | dcin = rd*buoylcl(il)*deltap/(plcl(il)+plfc(il)) |
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| 453 | cina(il) = min(0., dcin) |
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| 454 | END IF |
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| 455 | END DO |
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| 456 | ! c ENDIF |
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| 457 | |
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| 458 | |
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| 459 | |
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| 460 | RETURN |
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| 461 | END SUBROUTINE cv3_cine |
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