| 1 |
C $Header: /u/gcmpack/MITgcm/pkg/pp81/pp81_calc.F,v 1.2 2004/10/17 23:12:59 jmc Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "PP81_OPTIONS.h" |
| 5 |
|
| 6 |
CBOP |
| 7 |
C !ROUTINE: PP81_CALC |
| 8 |
|
| 9 |
C !INTERFACE: ======================================================= |
| 10 |
subroutine PP81_CALC( |
| 11 |
I bi, bj, myTime, myThid ) |
| 12 |
|
| 13 |
C !DESCRIPTION: \bv |
| 14 |
C /==========================================================\ |
| 15 |
C | SUBROUTINE PP81_CALC | |
| 16 |
C | o Compute all PP81 fields defined in PP81.h | |
| 17 |
C |==========================================================| |
| 18 |
C | This subroutine is based on SPEM code | |
| 19 |
C \==========================================================/ |
| 20 |
IMPLICIT NONE |
| 21 |
C |
| 22 |
C-------------------------------------------------------------------- |
| 23 |
|
| 24 |
C global parameters updated by pp_calc |
| 25 |
C PPviscAz - PP eddy viscosity coefficient (m^2/s) |
| 26 |
C PPdiffKzT - PP diffusion coefficient for temperature (m^2/s) |
| 27 |
C |
| 28 |
C \ev |
| 29 |
|
| 30 |
C !USES: ============================================================ |
| 31 |
#include "SIZE.h" |
| 32 |
#include "EEPARAMS.h" |
| 33 |
#include "PARAMS.h" |
| 34 |
#include "DYNVARS.h" |
| 35 |
#include "PP81.h" |
| 36 |
#include "FFIELDS.h" |
| 37 |
#include "GRID.h" |
| 38 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 39 |
#include "tamc.h" |
| 40 |
#include "tamc_keys.h" |
| 41 |
#else /* ALLOW_AUTODIFF_TAMC */ |
| 42 |
integer ikppkey |
| 43 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 44 |
|
| 45 |
C !INPUT PARAMETERS: =================================================== |
| 46 |
c Routine arguments |
| 47 |
c bi, bj - array indices on which to apply calculations |
| 48 |
c myTime - Current time in simulation |
| 49 |
|
| 50 |
INTEGER bi, bj |
| 51 |
INTEGER myThid |
| 52 |
_RL myTime |
| 53 |
|
| 54 |
#ifdef ALLOW_PP81 |
| 55 |
|
| 56 |
C !LOCAL VARIABLES: ==================================================== |
| 57 |
c Local constants |
| 58 |
C imin, imax, jmin, jmax - array computation indices |
| 59 |
C RiNumber - Richardson Number |
| 60 |
INTEGER I, J, K |
| 61 |
INTEGER iMin ,iMax ,jMin ,jMax |
| 62 |
_RL denom, PPviscTmp |
| 63 |
_RL RiNumber(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 64 |
CEOP |
| 65 |
iMin = 2-OLx |
| 66 |
iMax = sNx+OLx-1 |
| 67 |
jMin = 2-OLy |
| 68 |
jMax = sNy+OLy-1 |
| 69 |
|
| 70 |
DO K = 2, Nr |
| 71 |
CALL PP81_RI_NUMBER( |
| 72 |
I bi, bj, K, iMin, iMax, jMin, jMax, |
| 73 |
O RiNumber, |
| 74 |
I myTime, myThid ) |
| 75 |
DO J=jMin,jMax |
| 76 |
DO I=iMin,iMax |
| 77 |
IF ( RiNumber(I,J) .LT. RiLimit ) THEN |
| 78 |
denom = 1.0 + PPalpha*RiLimit |
| 79 |
PPviscTmp = PPviscMax |
| 80 |
ELSE |
| 81 |
denom = 1.0 + PPalpha*RiNumber(I,J) |
| 82 |
PPviscTmp = PPnu0/(denom**PPnRi) |
| 83 |
ENDIF |
| 84 |
C assign a minium ( = background ) value |
| 85 |
PPviscAr(I,J,K,bi,bj) = MAX(PPviscTmp,viscAr) |
| 86 |
PPdiffKr(I,J,K,bi,bj) = MAX(PPviscAr(I,J,K,bi,bj)/denom, |
| 87 |
& diffKrNrT(k)) |
| 88 |
CML if ( k.eq.2 .and. i.ge.1 .and. i.le.sNx .and. j.eq.1) |
| 89 |
CML & print '(A,3I3,5E14.5)', 'ml-pp81', I,J,K, RiLimit, |
| 90 |
CML & RiNumber(I,J),denom, |
| 91 |
CML & PPviscAr(I,J,K,bi,bj), PPdiffKr(I,J,K,bi,bj) |
| 92 |
ENDDO |
| 93 |
ENDDO |
| 94 |
#ifdef ALLOW_PP81_LOWERBOUND |
| 95 |
CRT This is where the lower limit for subsurface layers |
| 96 |
CRT (BRIOS special) is set. |
| 97 |
IF ( (buoyancyRelation .EQ. 'OCEANIC' .AND. K .EQ. 2) .OR. |
| 98 |
& (buoyancyRelation .EQ. 'OCEANICP' .AND. K .EQ. Nr) ) THEN |
| 99 |
DO J=jMin,jMax |
| 100 |
DO I=iMin,iMax |
| 101 |
PPviscAr(I,J,K,bi,bj) = MAX(PPviscMin,PPviscAr(I,J,K,bi,bj)) |
| 102 |
PPdiffKr(I,J,K,bi,bj) = MAX(PPdiffMin,PPdiffKr(I,J,K,bi,bj)) |
| 103 |
ENDDO |
| 104 |
ENDDO |
| 105 |
ENDIF |
| 106 |
#endif /* ALLOW_PP81_LOWERBOUND */ |
| 107 |
C Mask land points |
| 108 |
DO J=jMin,jMax |
| 109 |
DO I=iMin,iMax |
| 110 |
PPviscAr(I,J,K,bi,bj) = PPviscAr(I,J,K,bi,bj) |
| 111 |
& * maskC(I,J,K,bi,bj) |
| 112 |
PPdiffKr(I,J,K,bi,bj) = PPdiffKr(I,J,K,bi,bj) |
| 113 |
& * maskC(I,J,K,bi,bj) |
| 114 |
ENDDO |
| 115 |
ENDDO |
| 116 |
C end K-loop |
| 117 |
ENDDO |
| 118 |
|
| 119 |
#endif /* ALLOW_PP81 */ |
| 120 |
|
| 121 |
RETURN |
| 122 |
END |
| 123 |
|
Parent Directory
| 
Revision Log
| 
Revision Graph