| [879] | 1 | SUBROUTINE CV3_CRIT (nloc,ncum,nd,icb,inb,p,ph,pzero |
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| 2 | $ ,v,threshold,kcrit,pcrit) |
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| 3 | *************************************************************** |
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| 4 | * * |
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| 5 | * CV3_CRIT Find pressure level where vertical profile of * |
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| 6 | * variable 'v' intersects 'threshold' * |
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| 7 | * * |
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| 8 | * written by : FROHWIRTH Julie, 13/08/2003, 21.55.12 * |
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| 9 | * modified by : * |
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| 10 | *************************************************************** |
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| 11 | * |
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| 12 | |
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| 13 | #include "cv3param.h" |
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| 14 | |
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| 15 | c input: |
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| 16 | integer ncum, nd, nloc |
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| 17 | integer icb(nloc), inb(nloc) |
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| 18 | real p(nloc,nd), ph(nloc,nd+1) |
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| 19 | real pzero(nloc) |
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| 20 | real v(nloc,nd),threshold |
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| 21 | |
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| 22 | c output: |
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| 23 | integer kcrit(nloc) |
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| 24 | real pcrit(nloc) |
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| 25 | |
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| 26 | c local variables |
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| 27 | integer i,j,k,il |
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| 28 | logical ok(nloc) |
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| 29 | |
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| 30 | do il = 1,ncum |
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| 31 | ok(il) = .true. |
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| 32 | pcrit(il) = -1. |
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| 33 | kcrit(il) = 0 |
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| 34 | enddo |
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| 35 | c |
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| 36 | DO i = 1,nl |
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| 37 | DO il = 1,ncum |
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| 38 | IF (i .GT. icb(il) .AND. i .LE. inb(il)) THEN |
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| 39 | IF (P(il,i) .LE. Pzero(il) .AND. ok(il)) THEN |
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| 40 | IF ( (v(il,i)-threshold)*(v(il,i-1)-threshold) .LT. 0.) THEN |
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| 41 | pcrit(il) = |
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| 42 | $ ((threshold-v(il,i))*P(il,i-1)- |
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| 43 | $ (threshold-v(il,i-1))*P(il,i)) |
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| 44 | $ /(v(il,i-1)-v(il,i)) |
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| 45 | IF (pcrit(il) .gt. Pzero(il)) THEN |
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| 46 | pcrit(il) = -1. |
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| 47 | ELSE |
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| 48 | ok(il) = .false. |
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| 49 | kcrit(il) = i |
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| 50 | IF (pcrit(il) .LT. PH(il,i)) kcrit(il) = kcrit(il)+1 |
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| 51 | ENDIF |
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| 52 | ENDIF ! end IF (v(i) ... |
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| 53 | ENDIF ! end IF (P(i) ... |
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| 54 | ENDIF ! end IF (icb+1 le i le inb) |
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| 55 | ENDDO |
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| 56 | ENDDO |
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| 57 | 125 CONTINUE |
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| 58 | |
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| 59 | |
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| 60 | RETURN |
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| 61 | END |
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