| 1 | ! |
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| 2 | ! $Id: cv3_cine.F 1403 2010-07-01 09:02:53Z fairhead $ |
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| 3 | ! |
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| 4 | SUBROUTINE cv3_cine(nloc,ncum,nd,icb,inb & |
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| 5 | & ,pbase,plcl,p,ph,tv,tvp & |
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| 6 | & ,cina,cinb,plfc) |
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| 7 | |
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| 8 | !*************************************************************** |
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| 9 | !* * |
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| 10 | !* CV3_CINE * |
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| 11 | !* * |
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| 12 | !* * |
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| 13 | !* written by : Frederique Cheruy * |
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| 14 | !* vectorization: Jean-Yves Grandpeix, 19/06/2003, 11.54.43 * |
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| 15 | !* modified by : * |
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| 16 | !*************************************************************** |
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| 17 | !* |
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| 18 | implicit none |
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| 19 | !c |
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| 20 | #include "YOMCST.h" |
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| 21 | #include "cvthermo.h" |
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| 22 | #include "cv3param.h" |
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| 23 | !c input: |
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| 24 | integer ncum, nd, nloc |
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| 25 | integer icb(nloc), inb(nloc) |
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| 26 | real pbase(nloc),plcl(nloc) |
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| 27 | real p(nloc,nd), ph(nloc,nd+1) |
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| 28 | real tv(nloc,nd),tvp(nloc,nd) |
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| 29 | !c |
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| 30 | !c output |
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| 31 | real cina(nloc),cinb(nloc),plfc(nloc) |
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| 32 | !c |
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| 33 | !c local variables |
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| 34 | integer il,i,j,k |
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| 35 | integer itop(nloc),ineg(nloc),ilow(nloc) |
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| 36 | integer ifst(nloc),isublcl(nloc) |
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| 37 | logical lswitch(nloc),lswitch1(nloc),lswitch2(nloc) |
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| 38 | logical exist_lfc(nloc) |
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| 39 | real dpmax |
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| 40 | real deltap,dcin |
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| 41 | real buoylcl(nloc),tvplcl(nloc),tvlcl(nloc) |
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| 42 | real p0(nloc) |
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| 43 | real buoyz(nloc), buoy(nloc,nd) |
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| 44 | !c |
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| 45 | !c------------------------------------------------------------- |
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| 46 | !c Initialization |
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| 47 | !c------------------------------------------------------------- |
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| 48 | do il = 1,ncum |
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| 49 | cina(il) = 0. |
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| 50 | cinb(il) = 0. |
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| 51 | enddo |
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| 52 | !c |
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| 53 | !c-------------------------------------------------------------- |
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| 54 | !c Recompute buoyancies |
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| 55 | !c-------------------------------------------------------------- |
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| 56 | DO k = 1,nd |
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| 57 | DO il = 1,ncum |
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| 58 | ! print*,'tvp tv=',tvp(il,k),tv(il,k) |
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| 59 | buoy(il,k) = tvp(il,k) - tv(il,k) |
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| 60 | ENDDO |
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| 61 | ENDDO |
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| 62 | !c--------------------------------------------------------------- |
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| 63 | !c |
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| 64 | !c calcul de la flottabilite a LCL (Buoylcl) |
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| 65 | !c ifst = first P-level above lcl |
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| 66 | !c isublcl = highest P-level below lcl. |
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| 67 | !c--------------------------------------------------------------- |
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| 68 | !c |
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| 69 | do il = 1,ncum |
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| 70 | TVPlcl(il) = TVP(il,1)*(Plcl(il)/P(il,1))**(2./7.) !For dry air, R/Cp=2/7 |
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| 71 | enddo |
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| 72 | !c |
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| 73 | do il = 1,ncum |
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| 74 | IF (Plcl(il) .GT. P(il,icb(il))) THEN |
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| 75 | ifst(il) = icb(il) |
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| 76 | isublcl(il) = icb(il)-1 |
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| 77 | ELSE |
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| 78 | ifst(il) = icb(il)+1 |
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| 79 | isublcl(il) = icb(il) |
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| 80 | ENDIF |
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| 81 | enddo |
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| 82 | !c |
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| 83 | do il = 1,ncum |
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| 84 | TVlcl(il)=TV(il,ifst(il)-1)+(TV(il,ifst(il))-TV(il,ifst(il)-1)) & |
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| 85 | & *(Plcl(il)-P(il,ifst(il)-1))/(P(il,ifst(il))-P(il,ifst(il)-1)) |
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| 86 | enddo |
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| 87 | !c |
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| 88 | do il = 1,ncum |
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| 89 | BUOYlcl(il) = TVPlcl(il)-TVlcl(il) |
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| 90 | enddo |
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| 91 | !c |
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| 92 | !c--------------------------------------------------------------- |
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| 93 | !c premiere couche contenant un niveau de flotabilite positive |
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| 94 | !c et premiere couche contenant un niveau de flotabilite negative |
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| 95 | !c au dessus du niveau de condensation |
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| 96 | !c--------------------------------------------------------------- |
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| 97 | do il = 1,ncum |
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| 98 | itop(il) =nl-1 |
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| 99 | ineg(il) = nl-1 |
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| 100 | exist_lfc(il) = .FALSE. |
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| 101 | enddo |
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| 102 | do 100 k=nl-1,1,-1 |
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| 103 | do 110 il=1,ncum |
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| 104 | if (k .ge. ifst(il)) then |
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| 105 | if (buoy(il,k) .gt. 0.) then |
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| 106 | itop(il)=k |
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| 107 | exist_lfc(il) = .TRUE. |
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| 108 | else |
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| 109 | ineg(il)=k |
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| 110 | endif |
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| 111 | endif |
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| 112 | 110 continue |
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| 113 | 100 continue |
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| 114 | !c |
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| 115 | !c--------------------------------------------------------------- |
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| 116 | !c When there is no positive buoyancy level, set Plfc, Cina and Cinb |
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| 117 | !c to arbitrary extreme values. |
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| 118 | !c--------------------------------------------------------------- |
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| 119 | DO il = 1,ncum |
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| 120 | IF (.NOT.exist_lfc(il)) THEN |
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| 121 | Plfc(il) = 1.111 |
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| 122 | Cinb(il) = -1111. |
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| 123 | Cina(il) = -1112. |
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| 124 | ENDIF |
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| 125 | ENDDO |
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| 126 | !c |
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| 127 | !c |
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| 128 | !c--------------------------------------------------------------- |
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| 129 | !c -- Two cases : BUOYlcl >= 0 and BUOYlcl < 0. |
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| 130 | !c--------------------------------------------------------------- |
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| 131 | !C |
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| 132 | !C-------------------- |
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| 133 | !C -- 1.0 BUOYlcl >=0. |
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| 134 | !C-------------------- |
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| 135 | !c |
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| 136 | DPMAX = 50. |
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| 137 | DO il = 1,ncum |
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| 138 | lswitch1(il)=BUOYlcl(il) .GE. 0. .AND. exist_lfc(il) |
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| 139 | lswitch(il) = lswitch1(il) |
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| 140 | ENDDO |
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| 141 | !c |
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| 142 | !c 1.1 No inhibition case |
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| 143 | !c ---------------------- |
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| 144 | !C If buoyancy is positive at LCL and stays positive over a large enough |
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| 145 | !C pressure interval (=DPMAX), inhibition is set to zero, |
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| 146 | !C |
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| 147 | DO il = 1,ncum |
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| 148 | IF (lswitch(il)) THEN |
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| 149 | IF (P(il,ineg(il)) .LT. P(il,icb(il))-DPmax) THEN |
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| 150 | PLFC(il) = Plcl(il) |
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| 151 | Cina(il) = 0. |
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| 152 | Cinb(il) = 0. |
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| 153 | ENDIF |
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| 154 | ENDIF |
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| 155 | ENDDO |
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| 156 | !c |
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| 157 | !c 1.2 Upper inhibition only case |
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| 158 | !c ------------------------------ |
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| 159 | DO il = 1,ncum |
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| 160 | lswitch2(il)= P(il,ineg(il)) .GE. P(il,icb(il))-DPmax |
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| 161 | lswitch(il) = lswitch1(il) .AND. lswitch2(il) |
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| 162 | ENDDO |
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| 163 | !c |
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| 164 | DO il = 1,ncum |
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| 165 | IF (lswitch(il)) THEN |
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| 166 | Cinb(il) = 0. |
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| 167 | !c |
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| 168 | !c 1.2.1 Calcul de la pression du niveau de flot. nulle juste au-dessus de LCL |
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| 169 | !c --------------------------------------------------------------------------- |
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| 170 | IF (ineg(il) .GT. isublcl(il)+1) THEN |
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| 171 | !C In order to get P0, one may interpolate linearly buoyancies |
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| 172 | !C between P(ineg) and P(ineg-1). |
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| 173 | P0(il)=(buoy(il,ineg(il))*P(il,ineg(il)-1) & |
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| 174 | & -buoy(il,ineg(il)-1)*P(il,ineg(il))) & |
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| 175 | & / (buoy(il,ineg(il))-buoy(il,ineg(il)-1)) |
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| 176 | ELSE |
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| 177 | !C In order to get P0, one has to interpolate between P(ineg) and Plcl. |
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| 178 | P0(il) = (BUOY(il,ineg(il))*Plcl(il)-BUOYlcl(il)*P(il,ineg(il))) & |
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| 179 | & /(BUOY(il,ineg(il)) -BUOYlcl(il)) |
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| 180 | ENDIF |
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| 181 | ENDIF |
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| 182 | ENDDO |
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| 183 | !c |
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| 184 | !c 1.2.2 Recompute itop (=1st layer with positive buoyancy above ineg) |
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| 185 | !c ------------------------------------------------------------------- |
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| 186 | do il = 1,ncum |
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| 187 | IF (lswitch(il)) THEN |
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| 188 | itop(il) =nl-1 |
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| 189 | ENDIF |
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| 190 | enddo |
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| 191 | !c |
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| 192 | do k=nl,1,-1 |
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| 193 | do il=1,ncum |
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| 194 | IF (lswitch(il)) THEN |
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| 195 | if (k .ge. ineg(il) .and. buoy(il,k) .gt. 0) then |
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| 196 | itop(il)=k |
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| 197 | endif |
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| 198 | ENDIF |
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| 199 | enddo |
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| 200 | enddo |
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| 201 | !c |
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| 202 | !c 1.2.3 Computation of PLFC |
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| 203 | !c ------------------------- |
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| 204 | DO il = 1,ncum |
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| 205 | IF (lswitch(il)) THEN |
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| 206 | PLFC(il)=(buoy(il,itop(il))*P(il,itop(il)-1) & |
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| 207 | & -buoy(il,itop(il)-1)*P(il,itop(il))) & |
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| 208 | & / (buoy(il,itop(il))-buoy(il,itop(il)-1)) |
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| 209 | ENDIF |
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| 210 | ENDDO |
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| 211 | !c |
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| 212 | !c 1.2.4 Computation of CINA |
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| 213 | !c ------------------------- |
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| 214 | !c |
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| 215 | !C Upper part of CINA : integral from P(itop-1) to Plfc |
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| 216 | DO il = 1,ncum |
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| 217 | IF (lswitch(il)) THEN |
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| 218 | deltap = P(il,itop(il)-1)-Plfc(il) |
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| 219 | dcin = RD*BUOY(il,itop(il)-1)*deltap & |
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| 220 | & / (P(il,itop(il)-1)+Plfc(il)) |
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| 221 | CINA(il) = min(0.,dcin) |
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| 222 | ENDIF |
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| 223 | ENDDO |
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| 224 | !c |
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| 225 | !C Middle part of CINA : integral from P(ineg) to P(itop-1) |
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| 226 | DO k = 1,nl |
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| 227 | DO il = 1,ncum |
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| 228 | IF (lswitch(il)) THEN |
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| 229 | IF (k .GE. ineg(il) .AND. k .LE. itop(il)-2) THEN |
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| 230 | deltap = P(il,k)-P(il,k+1) |
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| 231 | dcin = 0.5*RD*(BUOY(il,k)+BUOY(il,k+1))*deltap/PH(il,k+1) |
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| 232 | CINA(il) = CINA(il) + min(0.,dcin) |
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| 233 | ENDIF |
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| 234 | ENDIF |
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| 235 | ENDDO |
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| 236 | ENDDO |
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| 237 | !c |
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| 238 | !C Lower part of CINA : integral from P0 to P(ineg) |
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| 239 | DO il = 1,ncum |
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| 240 | IF (lswitch(il)) THEN |
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| 241 | deltap = P0(il)-P(il,ineg(il)) |
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| 242 | dcin = RD*BUOY(il,ineg(il))*deltap/(P(il,ineg(il))+P0(il)) |
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| 243 | CINA(il) = CINA(il) + min(0.,dcin) |
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| 244 | ENDIF |
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| 245 | ENDDO |
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| 246 | !c |
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| 247 | !C |
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| 248 | !C ------------------ |
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| 249 | !C -- 2.0 BUOYlcl <0. |
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| 250 | !C ------------------ |
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| 251 | !C |
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| 252 | DO il = 1,ncum |
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| 253 | lswitch1(il)=BUOYlcl(il) .LT. 0. .AND. exist_lfc(il) |
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| 254 | lswitch(il) = lswitch1(il) |
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| 255 | ENDDO |
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| 256 | !c |
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| 257 | !c 2.0.1 Premiere couche ou la flotabilite est negative au dessus du sol |
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| 258 | !c ---------------------------------------------------- |
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| 259 | !c au cas ou elle existe sinon ilow=1 (nk apres) |
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| 260 | !c on suppose que la parcelle part de la premiere couche |
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| 261 | !c |
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| 262 | DO il = 1,ncum |
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| 263 | IF (lswitch(il)) THEN |
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| 264 | ilow(il)=1 |
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| 265 | ENDIF |
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| 266 | ENDDO |
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| 267 | !c |
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| 268 | do 200 k=nl,1,-1 |
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| 269 | DO il = 1,ncum |
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| 270 | IF (lswitch(il) .AND. k .LE.icb(il)-1) THEN |
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| 271 | if(buoy(il,k).lt. 0.) then |
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| 272 | ilow(il) = k |
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| 273 | endif |
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| 274 | ENDIF |
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| 275 | ENDDO |
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| 276 | 200 continue |
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| 277 | |
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| 278 | !c 2.0.2 Calcul de la pression du niveau de flot. nulle sous le nuage |
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| 279 | !c ---------------------------------------------------- |
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| 280 | DO il = 1,ncum |
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| 281 | IF (lswitch(il)) THEN |
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| 282 | if(ilow(il).gt. 1) then |
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| 283 | P0(il)=(buoy(il,ilow(il))*P(il,ilow(il)-1) & |
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| 284 | & -buoy(il,ilow(il)-1)*P(il,ilow(il))) & |
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| 285 | & / (buoy(il,ilow(il))-buoy(il,ilow(il)-1)) |
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| 286 | BUOYz(il) = 0. |
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| 287 | else |
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| 288 | P0(il) = P(il,1) |
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| 289 | BUOYz(il) = BUOY(il,1) |
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| 290 | endif |
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| 291 | ENDIF |
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| 292 | ENDDO |
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| 293 | !c |
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| 294 | !C 2.1. Computation of CINB |
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| 295 | !C ----------------------- |
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| 296 | !c |
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| 297 | DO il = 1,ncum |
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| 298 | lswitch2(il)= (isublcl(il) .EQ. 1 .AND. ilow(il) .EQ. 1) & |
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| 299 | & .OR.(isublcl(il) .EQ. ilow(il)-1) |
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| 300 | lswitch(il) = lswitch1(il) .AND. lswitch2(il) |
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| 301 | ENDDO |
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| 302 | !cc IF ( (isublcl .EQ. 1 .AND. ilow .EQ. 1) |
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| 303 | !cc $ .OR.(isublcl .EQ. ilow-1)) THEN |
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| 304 | !c |
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| 305 | !c 2.1.1 First case : Plcl just above P0 |
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| 306 | !c ------------------------------------- |
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| 307 | DO il = 1,ncum |
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| 308 | IF (lswitch(il)) THEN |
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| 309 | deltap = P0(il)-Plcl(il) |
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| 310 | dcin = RD*(BUOYz(il)+BUOYlcl(il))*deltap/(P0(il)+Plcl(il)) |
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| 311 | CINB(il) = min(0.,dcin) |
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| 312 | ENDIF |
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| 313 | ENDDO |
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| 314 | !c |
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| 315 | DO il = 1,ncum |
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| 316 | lswitch(il) = lswitch1(il) .AND. .NOT. lswitch2(il) |
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| 317 | ENDDO |
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| 318 | !cc ELSE |
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| 319 | !c |
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| 320 | !c 2.1.2 Second case : there is at least one P-level between P0 and Plcl |
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| 321 | !c --------------------------------------------------------------------- |
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| 322 | !c |
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| 323 | !C Lower part of CINB : integral from P0 to P(ilow) |
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| 324 | DO il = 1,ncum |
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| 325 | IF (lswitch(il)) THEN |
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| 326 | deltap = P0(il)-P(il,ilow(il)) |
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| 327 | dcin = RD*(BUOYz(il)+BUOY(il,ilow(il)))*deltap & |
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| 328 | & /(P0(il)+P(il,ilow(il))) |
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| 329 | CINB(il) = min(0.,dcin) |
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| 330 | ENDIF |
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| 331 | ENDDO |
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| 332 | !c |
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| 333 | !c |
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| 334 | !C Middle part of CINB : integral from P(ilow) to P(isublcl) |
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| 335 | !cc DO k = ilow,isublcl-1 |
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| 336 | DO k = 1,nl |
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| 337 | DO il = 1,ncum |
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| 338 | IF (lswitch(il) & |
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| 339 | & .AND. k .GE. ilow(il) .AND. k .LE. isublcl(il)-1) THEN |
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| 340 | deltap = P(il,k)-P(il,k+1) |
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| 341 | dcin = 0.5*RD*(BUOY(il,k)+BUOY(il,k+1))*deltap/PH(il,k+1) |
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| 342 | CINB(il) = CINB(il) + min(0.,dcin) |
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| 343 | ENDIF |
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| 344 | ENDDO |
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| 345 | ENDDO |
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| 346 | !c |
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| 347 | !C Upper part of CINB : integral from P(isublcl) to Plcl |
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| 348 | DO il = 1,ncum |
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| 349 | IF (lswitch(il)) THEN |
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| 350 | deltap = P(il,isublcl(il)) - Plcl(il) |
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| 351 | dcin = RD*(BUOY(il,isublcl(il))+BUOYlcl(il))*deltap & |
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| 352 | & /(P(il,isublcl(il))+Plcl(il)) |
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| 353 | CINB(il) = CINB(il)+min(0.,dcin) |
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| 354 | ENDIF |
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| 355 | ENDDO |
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| 356 | !C |
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| 357 | !c |
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| 358 | !cc ENDIF |
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| 359 | !c |
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| 360 | !C 2.2 Computation of CINA |
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| 361 | !c --------------------- |
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| 362 | !c |
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| 363 | DO il = 1,ncum |
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| 364 | lswitch2(il)= Plcl(il) .GT. P(il,itop(il)-1) |
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| 365 | lswitch(il) = lswitch1(il) .AND. lswitch2(il) |
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| 366 | ENDDO |
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| 367 | !c |
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| 368 | !c 2.2.1 FIrst case : Plcl > P(itop-1) |
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| 369 | !C --------------------------------- |
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| 370 | !C In order to get Plfc, one may interpolate linearly buoyancies |
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| 371 | !C between P(itop) and P(itop-1). |
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| 372 | DO il = 1,ncum |
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| 373 | IF (lswitch(il)) THEN |
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| 374 | PLFC(il)=(buoy(il,itop(il))*P(il,itop(il)-1) & |
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| 375 | & -buoy(il,itop(il)-1)*P(il,itop(il))) & |
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| 376 | & / (buoy(il,itop(il))-buoy(il,itop(il)-1)) |
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| 377 | ENDIF |
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| 378 | ENDDO |
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| 379 | !c |
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| 380 | !C Upper part of CINA : integral from P(itop-1) to Plfc |
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| 381 | DO il = 1,ncum |
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| 382 | IF (lswitch(il)) THEN |
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| 383 | deltap = P(il,itop(il)-1)-Plfc(il) |
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| 384 | dcin = RD*BUOY(il,itop(il)-1)*deltap & |
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| 385 | & /(P(il,itop(il)-1)+Plfc(il)) |
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| 386 | CINA(il) = min(0.,dcin) |
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| 387 | ENDIF |
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| 388 | ENDDO |
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| 389 | !c |
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| 390 | !C Middle part of CINA : integral from P(icb+1) to P(itop-1) |
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| 391 | DO k = 1,nl |
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| 392 | DO il = 1,ncum |
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| 393 | IF (lswitch(il) & |
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| 394 | & .AND. k .GE. icb(il)+1 .AND. k .LE. itop(il)-2) THEN |
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| 395 | deltap = P(il,k)-P(il,k+1) |
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| 396 | dcin = 0.5*RD*(BUOY(il,k)+BUOY(il,k+1))*deltap/PH(il,k+1) |
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| 397 | CINA(il) = CINA(il) + min(0.,dcin) |
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| 398 | ENDIF |
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| 399 | ENDDO |
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| 400 | ENDDO |
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| 401 | !c |
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| 402 | !C Lower part of CINA : integral from Plcl to P(icb+1) |
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| 403 | DO il = 1,ncum |
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| 404 | IF (lswitch(il)) THEN |
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| 405 | IF (Plcl(il) .GT. P(il,icb(il))) THEN |
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| 406 | IF (icb(il) .LT. itop(il)-1) THEN |
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| 407 | deltap = P(il,icb(il))-P(il,icb(il)+1) |
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| 408 | dcin = 0.5*RD*(BUOY(il,icb(il))+BUOY(il,icb(il)+1)) & |
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| 409 | & *deltap/PH(il,icb(il)+1) |
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| 410 | CINA(il) = CINA(il)+min(0.,dcin) |
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| 411 | ENDIF |
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| 412 | !c |
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| 413 | deltap = Plcl(il)-P(il,icb(il)) |
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| 414 | dcin = RD*(BUOYlcl(il)+BUOY(il,icb(il))) & |
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| 415 | & *deltap/(Plcl(il)+P(il,icb(il))) |
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| 416 | CINA(il) = CINA(il)+min(0.,dcin) |
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| 417 | ELSE |
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| 418 | deltap = Plcl(il)-P(il,icb(il)+1) |
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| 419 | dcin = RD*(BUOYlcl(il)+BUOY(il,icb(il)+1)) & |
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| 420 | & *deltap/(Plcl(il)+P(il,icb(il)+1)) |
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| 421 | CINA(il) = CINA(il)+min(0.,dcin) |
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| 422 | ENDIF |
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| 423 | ENDIF |
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| 424 | ENDDO |
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| 425 | !c |
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| 426 | DO il = 1,ncum |
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| 427 | lswitch(il) = lswitch1(il) .AND. .NOT. lswitch2(il) |
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| 428 | ENDDO |
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| 429 | !cc ELSE |
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| 430 | !c |
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| 431 | !c 2.2.2 Second case : Plcl lies between P(itop-1) and P(itop); |
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| 432 | !C ---------------------------------------------------------- |
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| 433 | !C In order to get Plfc, one has to interpolate between P(itop) and Plcl. |
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| 434 | DO il = 1,ncum |
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| 435 | IF (lswitch(il)) THEN |
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| 436 | PLFC(il) = & |
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| 437 | & (BUOY(il,itop(il))*Plcl(il)-BUOYlcl(il)*P(il,itop(il))) & |
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| 438 | & /(BUOY(il,itop(il)) -BUOYlcl(il)) |
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| 439 | ENDIF |
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| 440 | ENDDO |
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| 441 | !c |
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| 442 | DO il = 1,ncum |
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| 443 | IF (lswitch(il)) THEN |
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| 444 | deltap = Plcl(il)-Plfc(il) |
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| 445 | dcin = RD*BUOYlcl(il)*deltap/(Plcl(il)+Plfc(il)) |
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| 446 | CINA(il) = min(0.,dcin) |
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| 447 | ENDIF |
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| 448 | ENDDO |
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| 449 | !cc ENDIF |
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| 450 | !c |
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| 451 | |
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| 452 | |
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| 453 | RETURN |
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| 454 | END SUBROUTINE cv3_cine |
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