| 1 |
jmc |
1.22 |
C $Header: /u/gcmpack/models/MITgcmUV/model/src/ini_masks_etc.F,v 1.21 2001/05/29 14:01:37 adcroft Exp $ |
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adcroft |
1.21 |
C $Name: $ |
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adcroft |
1.1 |
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cnh |
1.11 |
#include "CPP_OPTIONS.h" |
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adcroft |
1.1 |
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CStartOfInterface |
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SUBROUTINE INI_MASKS_ETC( myThid ) |
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C /==========================================================\ |
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C | SUBROUTINE INI_MASKS_ETC | |
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C | o Initialise masks and topography factors | |
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C |==========================================================| |
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C | These arrays are used throughout the code and describe | |
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C | the topography of the domain through masks (0s and 1s) | |
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C | and fractional height factors (0<hFac<1). The latter | |
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C | distinguish between the lopped-cell and full-step | |
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C | topographic representations. | |
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C \==========================================================/ |
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adcroft |
1.13 |
IMPLICIT NONE |
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adcroft |
1.1 |
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C === Global variables === |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "GRID.h" |
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adcroft |
1.21 |
#include "SURFACE.h" |
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adcroft |
1.1 |
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C == Routine arguments == |
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cnh |
1.6 |
C myThid - Number of this instance of INI_MASKS_ETC |
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adcroft |
1.1 |
INTEGER myThid |
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CEndOfInterface |
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jmc |
1.22 |
C == Local variables in common == |
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C tmpfld - Temporary array used to compute & write Total Depth |
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C has to be in common for multi threading |
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COMMON / LOCAL_INI_MASKS_ETC / tmpfld |
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_RS tmpfld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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adcroft |
1.1 |
C == Local variables == |
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C bi,bj - Loop counters |
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C I,J,K |
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INTEGER bi, bj |
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INTEGER I, J, K |
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adcroft |
1.15 |
#ifdef ALLOW_NONHYDROSTATIC |
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INTEGER Km1 |
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_RL hFacUpper,hFacLower |
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#endif |
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adcroft |
1.21 |
_RL hFacCtmp |
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adcroft |
1.19 |
_RL hFacMnSz |
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adcroft |
1.21 |
C- Calculate lopping factor hFacC : over-estimate the part inside of the domain |
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C taking into account the lower_R Boundary (Bathymetrie / Top of Atmos) |
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adcroft |
1.2 |
DO bj=myByLo(myThid), myByHi(myThid) |
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DO bi=myBxLo(myThid), myBxHi(myThid) |
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cnh |
1.4 |
DO K=1, Nr |
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adcroft |
1.21 |
hFacMnSz=max( hFacMin, min(hFacMinDr*recip_drF(k),1. _d 0) ) |
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adcroft |
1.19 |
DO J=1-Oly,sNy+Oly |
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DO I=1-Olx,sNx+Olx |
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adcroft |
1.21 |
C o Non-dimensional distance between grid bound. and domain lower_R bound. |
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hFacCtmp = (rF(K)-R_low(I,J,bi,bj))*recip_drF(K) |
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C o Select between, closed, open or partial (0,1,0-1) |
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adcroft |
1.19 |
hFacCtmp=min( max( hFacCtmp, 0. _d 0) , 1. _d 0) |
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adcroft |
1.21 |
C o Impose minimum fraction and/or size (dimensional) |
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IF (hFacCtmp.LT.hFacMnSz) THEN |
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IF (hFacCtmp.LT.hFacMnSz*0.5) THEN |
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adcroft |
1.3 |
hFacC(I,J,K,bi,bj)=0. |
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ELSE |
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adcroft |
1.19 |
hFacC(I,J,K,bi,bj)=hFacMnSz |
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adcroft |
1.3 |
ENDIF |
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adcroft |
1.21 |
ELSE |
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hFacC(I,J,K,bi,bj)=hFacCtmp |
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adcroft |
1.2 |
ENDIF |
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ENDDO |
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ENDDO |
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ENDDO |
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adcroft |
1.21 |
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C- Re-calculate lower-R Boundary position, taking into account hFacC |
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DO J=1-Oly,sNy+Oly |
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DO I=1-Olx,sNx+Olx |
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R_low(I,J,bi,bj) = rF(1) |
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DO K=Nr,1,-1 |
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R_low(I,J,bi,bj) = R_low(I,J,bi,bj) |
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& - drF(k)*hFacC(I,J,K,bi,bj) |
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ENDDO |
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ENDDO |
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ENDDO |
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C - end bi,bj loops. |
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adcroft |
1.2 |
ENDDO |
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ENDDO |
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cnh |
1.7 |
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adcroft |
1.21 |
C- Calculate lopping factor hFacC : Remove part outside of the domain |
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C taking into account the Reference (=at rest) Surface Position Ro_surf |
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adcroft |
1.16 |
DO bj=myByLo(myThid), myByHi(myThid) |
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DO bi=myBxLo(myThid), myBxHi(myThid) |
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adcroft |
1.21 |
DO K=1, Nr |
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hFacMnSz=max( hFacMin, min(hFacMinDr*recip_drF(k),1. _d 0) ) |
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DO J=1-Oly,sNy+Oly |
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DO I=1-Olx,sNx+Olx |
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C o Non-dimensional distance between grid boundary and model surface |
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hFacCtmp = (rF(k)-Ro_surf(I,J,bi,bj))*recip_drF(K) |
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C o Reduce the previous fraction : substract the outside part. |
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hFacCtmp = hFacC(I,J,K,bi,bj) - max( hFacCtmp, 0. _d 0) |
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C o set to zero if empty Column : |
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hFacCtmp = max( hFacCtmp, 0. _d 0) |
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C o Impose minimum fraction and/or size (dimensional) |
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IF (hFacCtmp.LT.hFacMnSz) THEN |
| 106 |
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IF (hFacCtmp.LT.hFacMnSz*0.5) THEN |
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hFacC(I,J,K,bi,bj)=0. |
| 108 |
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ELSE |
| 109 |
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hFacC(I,J,K,bi,bj)=hFacMnSz |
| 110 |
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ENDIF |
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ELSE |
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hFacC(I,J,K,bi,bj)=hFacCtmp |
| 113 |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDDO |
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| 118 |
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C- Re-calculate Reference surface position, taking into account hFacC |
| 119 |
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C initialize Total column fluid thickness and surface k index |
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adcroft |
1.19 |
DO J=1-Oly,sNy+Oly |
| 121 |
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DO I=1-Olx,sNx+Olx |
| 122 |
adcroft |
1.21 |
tmpfld(I,J,bi,bj) = 0. |
| 123 |
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k_surf(I,J,bi,bj) = Nr |
| 124 |
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Ro_surf(I,J,bi,bj) = R_low(I,J,bi,bj) |
| 125 |
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DO K=Nr,1,-1 |
| 126 |
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Ro_surf(I,J,bi,bj) = Ro_surf(I,J,bi,bj) |
| 127 |
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& + drF(k)*hFacC(I,J,K,bi,bj) |
| 128 |
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IF (hFacC(I,J,K,bi,bj).NE.0.) THEN |
| 129 |
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k_surf(I,J,bi,bj) = k |
| 130 |
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tmpfld(i,j,bi,bj) = tmpfld(i,j,bi,bj) + 1. |
| 131 |
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ENDIF |
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adcroft |
1.16 |
ENDDO |
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ENDDO |
| 134 |
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ENDDO |
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adcroft |
1.21 |
C - end bi,bj loops. |
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adcroft |
1.16 |
ENDDO |
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ENDDO |
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adcroft |
1.21 |
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| 139 |
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C CALL PLOT_FIELD_XYRS( tmpfld, |
| 140 |
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C & 'Model Depths K Index' , 1, myThid ) |
| 141 |
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CALL PLOT_FIELD_XYRS(R_low, |
| 142 |
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& 'Model R_low (ini_masks_etc)', 1, myThid) |
| 143 |
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CALL PLOT_FIELD_XYRS(Ro_surf, |
| 144 |
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& 'Model Ro_surf (ini_masks_etc)', 1, myThid) |
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adcroft |
1.16 |
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| 146 |
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C Calculate quantities derived from XY depth map |
| 147 |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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adcroft |
1.21 |
DO j=1-Oly,sNy+Oly |
| 150 |
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DO i=1-Olx,sNx+Olx |
| 151 |
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C Total fluid column thickness (r_unit) : |
| 152 |
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c Rcolumn(i,j,bi,bj)= Ro_surf(i,j,bi,bj) - R_low(i,j,bi,bj) |
| 153 |
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tmpfld(i,j,bi,bj) = Ro_surf(i,j,bi,bj) - R_low(i,j,bi,bj) |
| 154 |
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C Inverse of fluid column thickness (1/r_unit) |
| 155 |
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IF ( tmpfld(i,j,bi,bj) .LE. 0. ) THEN |
| 156 |
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recip_Rcol(i,j,bi,bj) = 0. |
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adcroft |
1.16 |
ELSE |
| 158 |
adcroft |
1.21 |
recip_Rcol(i,j,bi,bj) = 1. / tmpfld(i,j,bi,bj) |
| 159 |
adcroft |
1.16 |
ENDIF |
| 160 |
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ENDDO |
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ENDDO |
| 162 |
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ENDDO |
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ENDDO |
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adcroft |
1.21 |
C _EXCH_XY_R4( recip_Rcol, myThid ) |
| 165 |
adcroft |
1.1 |
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| 166 |
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C hFacW and hFacS (at U and V points) |
| 167 |
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DO bj=myByLo(myThid), myByHi(myThid) |
| 168 |
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DO bi=myBxLo(myThid), myBxHi(myThid) |
| 169 |
cnh |
1.4 |
DO K=1, Nr |
| 170 |
adcroft |
1.1 |
DO J=1,sNy |
| 171 |
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DO I=1,sNx |
| 172 |
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hFacW(I,J,K,bi,bj)= |
| 173 |
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& MIN(hFacC(I,J,K,bi,bj),hFacC(I-1,J,K,bi,bj)) |
| 174 |
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hFacS(I,J,K,bi,bj)= |
| 175 |
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& MIN(hFacC(I,J,K,bi,bj),hFacC(I,J-1,K,bi,bj)) |
| 176 |
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ENDDO |
| 177 |
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ENDDO |
| 178 |
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ENDDO |
| 179 |
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ENDDO |
| 180 |
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ENDDO |
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adcroft |
1.21 |
CALL EXCH_UV_XYZ_RS(hFacW,hFacS,.FALSE.,myThid) |
| 182 |
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C The following block allows thin walls representation of non-periodic |
| 183 |
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C boundaries such as happen on the lat-lon grid at the N/S poles. |
| 184 |
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C We should really supply a flag for doing this. |
| 185 |
adcroft |
1.19 |
DO bj=myByLo(myThid), myByHi(myThid) |
| 186 |
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DO bi=myBxLo(myThid), myBxHi(myThid) |
| 187 |
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DO K=1, Nr |
| 188 |
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DO J=1-Oly,sNy+Oly |
| 189 |
adcroft |
1.21 |
DO I=1-Olx,sNx+Olx |
| 190 |
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IF (DYG(I,J,bi,bj).EQ.0.) hFacW(I,J,K,bi,bj)=0. |
| 191 |
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IF (DXG(I,J,bi,bj).EQ.0.) hFacS(I,J,K,bi,bj)=0. |
| 192 |
adcroft |
1.19 |
ENDDO |
| 193 |
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ENDDO |
| 194 |
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ENDDO |
| 195 |
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ENDDO |
| 196 |
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ENDDO |
| 197 |
jmc |
1.22 |
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| 198 |
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C- Write to disk: Total Column Thickness & hFac(C,W,S): |
| 199 |
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_BARRIER |
| 200 |
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_BEGIN_MASTER( myThid ) |
| 201 |
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C CALL MDSWRITEFIELD( 'Depth', writeBinaryPrec, .TRUE., |
| 202 |
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C & 'RS', 1, tmpfld, 1, -1, myThid ) |
| 203 |
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CALL WRITE_FLD_XY_RS( 'Depth',' ',tmpfld,0,myThid) |
| 204 |
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CALL WRITE_FLD_XYZ_RS( 'hFacC',' ',hFacC,0,myThid) |
| 205 |
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CALL WRITE_FLD_XYZ_RS( 'hFacW',' ',hFacW,0,myThid) |
| 206 |
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CALL WRITE_FLD_XYZ_RS( 'hFacS',' ',hFacS,0,myThid) |
| 207 |
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_END_MASTER(myThid) |
| 208 |
adcroft |
1.19 |
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| 209 |
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CALL PLOT_FIELD_XYZRS( hFacC, 'hFacC' , Nr, 1, myThid ) |
| 210 |
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CALL PLOT_FIELD_XYZRS( hFacW, 'hFacW' , Nr, 1, myThid ) |
| 211 |
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CALL PLOT_FIELD_XYZRS( hFacS, 'hFacS' , Nr, 1, myThid ) |
| 212 |
adcroft |
1.1 |
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| 213 |
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C Masks and reciprocals of hFac[CWS] |
| 214 |
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DO bj = myByLo(myThid), myByHi(myThid) |
| 215 |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
| 216 |
cnh |
1.4 |
DO K=1,Nr |
| 217 |
adcroft |
1.19 |
DO J=1-Oly,sNy+Oly |
| 218 |
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DO I=1-Olx,sNx+Olx |
| 219 |
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IF (HFacC(I,J,K,bi,bj) .NE. 0. ) THEN |
| 220 |
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recip_HFacC(I,J,K,bi,bj) = 1. / HFacC(I,J,K,bi,bj) |
| 221 |
adcroft |
1.21 |
maskC(I,J,K,bi,bj) = 1. |
| 222 |
adcroft |
1.1 |
ELSE |
| 223 |
adcroft |
1.19 |
recip_HFacC(I,J,K,bi,bj) = 0. |
| 224 |
adcroft |
1.21 |
maskC(I,J,K,bi,bj) = 0. |
| 225 |
adcroft |
1.1 |
ENDIF |
| 226 |
adcroft |
1.19 |
IF (HFacW(I,J,K,bi,bj) .NE. 0. ) THEN |
| 227 |
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recip_HFacW(I,J,K,bi,bj) = 1. / HFacW(I,J,K,bi,bj) |
| 228 |
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maskW(I,J,K,bi,bj) = 1. |
| 229 |
adcroft |
1.1 |
ELSE |
| 230 |
adcroft |
1.19 |
recip_HFacW(I,J,K,bi,bj) = 0. |
| 231 |
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maskW(I,J,K,bi,bj) = 0. |
| 232 |
adcroft |
1.1 |
ENDIF |
| 233 |
adcroft |
1.19 |
IF (HFacS(I,J,K,bi,bj) .NE. 0. ) THEN |
| 234 |
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recip_HFacS(I,J,K,bi,bj) = 1. / HFacS(I,J,K,bi,bj) |
| 235 |
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maskS(I,J,K,bi,bj) = 1. |
| 236 |
adcroft |
1.1 |
ELSE |
| 237 |
adcroft |
1.19 |
recip_HFacS(I,J,K,bi,bj) = 0. |
| 238 |
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maskS(I,J,K,bi,bj) = 0. |
| 239 |
adcroft |
1.1 |
ENDIF |
| 240 |
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ENDDO |
| 241 |
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ENDDO |
| 242 |
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ENDDO |
| 243 |
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ENDDO |
| 244 |
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ENDDO |
| 245 |
adcroft |
1.19 |
C _EXCH_XYZ_R4(recip_HFacC , myThid ) |
| 246 |
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C _EXCH_XYZ_R4(recip_HFacW , myThid ) |
| 247 |
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C _EXCH_XYZ_R4(recip_HFacS , myThid ) |
| 248 |
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C _EXCH_XYZ_R4(maskW , myThid ) |
| 249 |
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C _EXCH_XYZ_R4(maskS , myThid ) |
| 250 |
adcroft |
1.1 |
|
| 251 |
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C Calculate recipricols grid lengths |
| 252 |
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DO bj = myByLo(myThid), myByHi(myThid) |
| 253 |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
| 254 |
adcroft |
1.19 |
DO J=1-Oly,sNy+Oly |
| 255 |
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DO I=1-Olx,sNx+Olx |
| 256 |
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IF ( dxG(I,J,bi,bj) .NE. 0. ) |
| 257 |
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& recip_dxG(I,J,bi,bj)=1.d0/dxG(I,J,bi,bj) |
| 258 |
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IF ( dyG(I,J,bi,bj) .NE. 0. ) |
| 259 |
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& recip_dyG(I,J,bi,bj)=1.d0/dyG(I,J,bi,bj) |
| 260 |
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IF ( dxC(I,J,bi,bj) .NE. 0. ) |
| 261 |
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& recip_dxC(I,J,bi,bj)=1.d0/dxC(I,J,bi,bj) |
| 262 |
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IF ( dyC(I,J,bi,bj) .NE. 0. ) |
| 263 |
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& recip_dyC(I,J,bi,bj)=1.d0/dyC(I,J,bi,bj) |
| 264 |
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IF ( dxF(I,J,bi,bj) .NE. 0. ) |
| 265 |
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& recip_dxF(I,J,bi,bj)=1.d0/dxF(I,J,bi,bj) |
| 266 |
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IF ( dyF(I,J,bi,bj) .NE. 0. ) |
| 267 |
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& recip_dyF(I,J,bi,bj)=1.d0/dyF(I,J,bi,bj) |
| 268 |
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IF ( dxV(I,J,bi,bj) .NE. 0. ) |
| 269 |
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& recip_dxV(I,J,bi,bj)=1.d0/dxV(I,J,bi,bj) |
| 270 |
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IF ( dyU(I,J,bi,bj) .NE. 0. ) |
| 271 |
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& recip_dyU(I,J,bi,bj)=1.d0/dyU(I,J,bi,bj) |
| 272 |
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IF ( rA(I,J,bi,bj) .NE. 0. ) |
| 273 |
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& recip_rA(I,J,bi,bj)=1.d0/rA(I,J,bi,bj) |
| 274 |
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IF ( rAs(I,J,bi,bj) .NE. 0. ) |
| 275 |
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& recip_rAs(I,J,bi,bj)=1.d0/rAs(I,J,bi,bj) |
| 276 |
|
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IF ( rAw(I,J,bi,bj) .NE. 0. ) |
| 277 |
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& recip_rAw(I,J,bi,bj)=1.d0/rAw(I,J,bi,bj) |
| 278 |
|
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IF ( rAz(I,J,bi,bj) .NE. 0. ) |
| 279 |
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& recip_rAz(I,J,bi,bj)=1.d0/rAz(I,J,bi,bj) |
| 280 |
adcroft |
1.1 |
ENDDO |
| 281 |
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ENDDO |
| 282 |
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ENDDO |
| 283 |
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ENDDO |
| 284 |
adcroft |
1.19 |
C Do not need these since above denominators are valid over full range |
| 285 |
|
|
C _EXCH_XY_R4(recip_dxG, myThid ) |
| 286 |
|
|
C _EXCH_XY_R4(recip_dyG, myThid ) |
| 287 |
|
|
C _EXCH_XY_R4(recip_dxC, myThid ) |
| 288 |
|
|
C _EXCH_XY_R4(recip_dyC, myThid ) |
| 289 |
|
|
C _EXCH_XY_R4(recip_dxF, myThid ) |
| 290 |
|
|
C _EXCH_XY_R4(recip_dyF, myThid ) |
| 291 |
|
|
C _EXCH_XY_R4(recip_dxV, myThid ) |
| 292 |
|
|
C _EXCH_XY_R4(recip_dyU, myThid ) |
| 293 |
|
|
C _EXCH_XY_R4(recip_rAw, myThid ) |
| 294 |
|
|
C _EXCH_XY_R4(recip_rAs, myThid ) |
| 295 |
adcroft |
1.1 |
|
| 296 |
adcroft |
1.15 |
#ifdef ALLOW_NONHYDROSTATIC |
| 297 |
|
|
C-- Calculate the reciprocal hfac distance/volume for W cells |
| 298 |
|
|
DO bj = myByLo(myThid), myByHi(myThid) |
| 299 |
|
|
DO bi = myBxLo(myThid), myBxHi(myThid) |
| 300 |
|
|
DO K=1,Nr |
| 301 |
|
|
Km1=max(K-1,1) |
| 302 |
|
|
hFacUpper=drF(Km1)/(drF(Km1)+drF(K)) |
| 303 |
|
|
IF (Km1.EQ.K) hFacUpper=0. |
| 304 |
|
|
hFacLower=drF(K)/(drF(Km1)+drF(K)) |
| 305 |
adcroft |
1.19 |
DO J=1-Oly,sNy+Oly |
| 306 |
|
|
DO I=1-Olx,sNx+Olx |
| 307 |
adcroft |
1.15 |
IF (hFacC(I,J,K,bi,bj).NE.0.) THEN |
| 308 |
|
|
IF (hFacC(I,J,K,bi,bj).LE.0.5) THEN |
| 309 |
|
|
recip_hFacU(I,J,K,bi,bj)= |
| 310 |
|
|
& hFacUpper+hFacLower*hFacC(I,J,K,bi,bj) |
| 311 |
|
|
ELSE |
| 312 |
|
|
recip_hFacU(I,J,K,bi,bj)=1. |
| 313 |
|
|
ENDIF |
| 314 |
|
|
ELSE |
| 315 |
|
|
recip_hFacU(I,J,K,bi,bj)=0. |
| 316 |
|
|
ENDIF |
| 317 |
|
|
IF (recip_hFacU(I,J,K,bi,bj).NE.0.) |
| 318 |
|
|
& recip_hFacU(I,J,K,bi,bj)=1./recip_hFacU(I,J,K,bi,bj) |
| 319 |
|
|
ENDDO |
| 320 |
|
|
ENDDO |
| 321 |
|
|
ENDDO |
| 322 |
|
|
ENDDO |
| 323 |
|
|
ENDDO |
| 324 |
adcroft |
1.19 |
C _EXCH_XY_R4(recip_hFacU, myThid ) |
| 325 |
adcroft |
1.15 |
#endif |
| 326 |
adcroft |
1.1 |
C |
| 327 |
|
|
RETURN |
| 328 |
|
|
END |
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