1 |
adcroft |
1.28 |
C $Header: /u/gcmpack/MITgcm/model/src/ini_masks_etc.F,v 1.27 2003/10/09 04:19:18 edhill Exp $ |
2 |
adcroft |
1.21 |
C $Name: $ |
3 |
adcroft |
1.1 |
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4 |
edhill |
1.27 |
#include "PACKAGES_CONFIG.h" |
5 |
cnh |
1.11 |
#include "CPP_OPTIONS.h" |
6 |
adcroft |
1.1 |
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7 |
cnh |
1.24 |
CBOP |
8 |
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C !ROUTINE: INI_MASKS_ETC |
9 |
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C !INTERFACE: |
10 |
adcroft |
1.1 |
SUBROUTINE INI_MASKS_ETC( myThid ) |
11 |
cnh |
1.24 |
C !DESCRIPTION: \bv |
12 |
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C *==========================================================* |
13 |
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C | SUBROUTINE INI_MASKS_ETC |
14 |
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C | o Initialise masks and topography factors |
15 |
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C *==========================================================* |
16 |
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C | These arrays are used throughout the code and describe |
17 |
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C | the topography of the domain through masks (0s and 1s) |
18 |
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C | and fractional height factors (0<hFac<1). The latter |
19 |
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C | distinguish between the lopped-cell and full-step |
20 |
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C | topographic representations. |
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C *==========================================================* |
22 |
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C \ev |
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24 |
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C !USES: |
25 |
adcroft |
1.13 |
IMPLICIT NONE |
26 |
adcroft |
1.1 |
C === Global variables === |
27 |
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#include "SIZE.h" |
28 |
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#include "EEPARAMS.h" |
29 |
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#include "PARAMS.h" |
30 |
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#include "GRID.h" |
31 |
adcroft |
1.21 |
#include "SURFACE.h" |
32 |
adcroft |
1.1 |
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33 |
cnh |
1.24 |
C !INPUT/OUTPUT PARAMETERS: |
34 |
adcroft |
1.1 |
C == Routine arguments == |
35 |
cnh |
1.6 |
C myThid - Number of this instance of INI_MASKS_ETC |
36 |
adcroft |
1.1 |
INTEGER myThid |
37 |
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38 |
cnh |
1.24 |
C !LOCAL VARIABLES: |
39 |
jmc |
1.22 |
C == Local variables in common == |
40 |
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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 |
42 |
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COMMON / LOCAL_INI_MASKS_ETC / tmpfld |
43 |
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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 == |
45 |
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C bi,bj - Loop counters |
46 |
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C I,J,K |
47 |
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INTEGER bi, bj |
48 |
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INTEGER I, J, K |
49 |
adcroft |
1.15 |
#ifdef ALLOW_NONHYDROSTATIC |
50 |
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INTEGER Km1 |
51 |
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_RL hFacUpper,hFacLower |
52 |
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#endif |
53 |
adcroft |
1.21 |
_RL hFacCtmp |
54 |
adcroft |
1.19 |
_RL hFacMnSz |
55 |
cnh |
1.24 |
CEOP |
56 |
adcroft |
1.19 |
|
57 |
adcroft |
1.21 |
C- Calculate lopping factor hFacC : over-estimate the part inside of the domain |
58 |
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C taking into account the lower_R Boundary (Bathymetrie / Top of Atmos) |
59 |
adcroft |
1.2 |
DO bj=myByLo(myThid), myByHi(myThid) |
60 |
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DO bi=myBxLo(myThid), myBxHi(myThid) |
61 |
cnh |
1.4 |
DO K=1, Nr |
62 |
adcroft |
1.21 |
hFacMnSz=max( hFacMin, min(hFacMinDr*recip_drF(k),1. _d 0) ) |
63 |
adcroft |
1.19 |
DO J=1-Oly,sNy+Oly |
64 |
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DO I=1-Olx,sNx+Olx |
65 |
adcroft |
1.21 |
C o Non-dimensional distance between grid bound. and domain lower_R bound. |
66 |
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hFacCtmp = (rF(K)-R_low(I,J,bi,bj))*recip_drF(K) |
67 |
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C o Select between, closed, open or partial (0,1,0-1) |
68 |
adcroft |
1.19 |
hFacCtmp=min( max( hFacCtmp, 0. _d 0) , 1. _d 0) |
69 |
adcroft |
1.21 |
C o Impose minimum fraction and/or size (dimensional) |
70 |
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IF (hFacCtmp.LT.hFacMnSz) THEN |
71 |
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IF (hFacCtmp.LT.hFacMnSz*0.5) THEN |
72 |
adcroft |
1.3 |
hFacC(I,J,K,bi,bj)=0. |
73 |
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ELSE |
74 |
adcroft |
1.19 |
hFacC(I,J,K,bi,bj)=hFacMnSz |
75 |
adcroft |
1.3 |
ENDIF |
76 |
adcroft |
1.21 |
ELSE |
77 |
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hFacC(I,J,K,bi,bj)=hFacCtmp |
78 |
adcroft |
1.2 |
ENDIF |
79 |
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ENDDO |
80 |
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ENDDO |
81 |
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ENDDO |
82 |
adcroft |
1.21 |
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83 |
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C- Re-calculate lower-R Boundary position, taking into account hFacC |
84 |
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DO J=1-Oly,sNy+Oly |
85 |
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DO I=1-Olx,sNx+Olx |
86 |
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R_low(I,J,bi,bj) = rF(1) |
87 |
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DO K=Nr,1,-1 |
88 |
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R_low(I,J,bi,bj) = R_low(I,J,bi,bj) |
89 |
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& - drF(k)*hFacC(I,J,K,bi,bj) |
90 |
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ENDDO |
91 |
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ENDDO |
92 |
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ENDDO |
93 |
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C - end bi,bj loops. |
94 |
adcroft |
1.2 |
ENDDO |
95 |
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ENDDO |
96 |
cnh |
1.7 |
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97 |
adcroft |
1.21 |
C- Calculate lopping factor hFacC : Remove part outside of the domain |
98 |
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C taking into account the Reference (=at rest) Surface Position Ro_surf |
99 |
adcroft |
1.16 |
DO bj=myByLo(myThid), myByHi(myThid) |
100 |
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DO bi=myBxLo(myThid), myBxHi(myThid) |
101 |
adcroft |
1.21 |
DO K=1, Nr |
102 |
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hFacMnSz=max( hFacMin, min(hFacMinDr*recip_drF(k),1. _d 0) ) |
103 |
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DO J=1-Oly,sNy+Oly |
104 |
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DO I=1-Olx,sNx+Olx |
105 |
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C o Non-dimensional distance between grid boundary and model surface |
106 |
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hFacCtmp = (rF(k)-Ro_surf(I,J,bi,bj))*recip_drF(K) |
107 |
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C o Reduce the previous fraction : substract the outside part. |
108 |
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hFacCtmp = hFacC(I,J,K,bi,bj) - max( hFacCtmp, 0. _d 0) |
109 |
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C o set to zero if empty Column : |
110 |
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hFacCtmp = max( hFacCtmp, 0. _d 0) |
111 |
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C o Impose minimum fraction and/or size (dimensional) |
112 |
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IF (hFacCtmp.LT.hFacMnSz) THEN |
113 |
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IF (hFacCtmp.LT.hFacMnSz*0.5) THEN |
114 |
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hFacC(I,J,K,bi,bj)=0. |
115 |
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ELSE |
116 |
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hFacC(I,J,K,bi,bj)=hFacMnSz |
117 |
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ENDIF |
118 |
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ELSE |
119 |
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hFacC(I,J,K,bi,bj)=hFacCtmp |
120 |
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ENDIF |
121 |
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ENDDO |
122 |
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ENDDO |
123 |
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ENDDO |
124 |
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125 |
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C- Re-calculate Reference surface position, taking into account hFacC |
126 |
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C initialize Total column fluid thickness and surface k index |
127 |
jmc |
1.23 |
C Note: if no fluid (continent) ==> ksurf = Nr+1 |
128 |
adcroft |
1.19 |
DO J=1-Oly,sNy+Oly |
129 |
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DO I=1-Olx,sNx+Olx |
130 |
adcroft |
1.21 |
tmpfld(I,J,bi,bj) = 0. |
131 |
jmc |
1.23 |
ksurfC(I,J,bi,bj) = Nr+1 |
132 |
jmc |
1.25 |
maskH(i,j,bi,bj) = 0. |
133 |
adcroft |
1.21 |
Ro_surf(I,J,bi,bj) = R_low(I,J,bi,bj) |
134 |
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DO K=Nr,1,-1 |
135 |
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Ro_surf(I,J,bi,bj) = Ro_surf(I,J,bi,bj) |
136 |
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& + drF(k)*hFacC(I,J,K,bi,bj) |
137 |
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IF (hFacC(I,J,K,bi,bj).NE.0.) THEN |
138 |
jmc |
1.23 |
ksurfC(I,J,bi,bj) = k |
139 |
jmc |
1.25 |
maskH(i,j,bi,bj) = 1. |
140 |
adcroft |
1.21 |
tmpfld(i,j,bi,bj) = tmpfld(i,j,bi,bj) + 1. |
141 |
mlosch |
1.26 |
ENDIF |
142 |
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ENDDO |
143 |
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kLowC(I,J,bi,bj) = 0 |
144 |
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DO K= 1, Nr |
145 |
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IF (hFacC(I,J,K,bi,bj).NE.0) THEN |
146 |
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kLowC(I,J,bi,bj) = K |
147 |
adcroft |
1.21 |
ENDIF |
148 |
adcroft |
1.16 |
ENDDO |
149 |
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ENDDO |
150 |
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ENDDO |
151 |
adcroft |
1.21 |
C - end bi,bj loops. |
152 |
adcroft |
1.16 |
ENDDO |
153 |
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ENDDO |
154 |
adcroft |
1.21 |
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155 |
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C CALL PLOT_FIELD_XYRS( tmpfld, |
156 |
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C & 'Model Depths K Index' , 1, myThid ) |
157 |
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CALL PLOT_FIELD_XYRS(R_low, |
158 |
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& 'Model R_low (ini_masks_etc)', 1, myThid) |
159 |
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CALL PLOT_FIELD_XYRS(Ro_surf, |
160 |
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& 'Model Ro_surf (ini_masks_etc)', 1, myThid) |
161 |
adcroft |
1.16 |
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162 |
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C Calculate quantities derived from XY depth map |
163 |
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DO bj = myByLo(myThid), myByHi(myThid) |
164 |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
165 |
adcroft |
1.21 |
DO j=1-Oly,sNy+Oly |
166 |
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DO i=1-Olx,sNx+Olx |
167 |
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C Total fluid column thickness (r_unit) : |
168 |
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c Rcolumn(i,j,bi,bj)= Ro_surf(i,j,bi,bj) - R_low(i,j,bi,bj) |
169 |
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tmpfld(i,j,bi,bj) = Ro_surf(i,j,bi,bj) - R_low(i,j,bi,bj) |
170 |
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C Inverse of fluid column thickness (1/r_unit) |
171 |
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IF ( tmpfld(i,j,bi,bj) .LE. 0. ) THEN |
172 |
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recip_Rcol(i,j,bi,bj) = 0. |
173 |
adcroft |
1.16 |
ELSE |
174 |
adcroft |
1.21 |
recip_Rcol(i,j,bi,bj) = 1. / tmpfld(i,j,bi,bj) |
175 |
adcroft |
1.16 |
ENDIF |
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 |
adcroft |
1.21 |
C _EXCH_XY_R4( recip_Rcol, myThid ) |
181 |
adcroft |
1.1 |
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182 |
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C hFacW and hFacS (at U and V points) |
183 |
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DO bj=myByLo(myThid), myByHi(myThid) |
184 |
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DO bi=myBxLo(myThid), myBxHi(myThid) |
185 |
cnh |
1.4 |
DO K=1, Nr |
186 |
adcroft |
1.28 |
DO J=1-Oly,sNy+Oly |
187 |
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DO I=2-Olx,sNx+Olx |
188 |
adcroft |
1.1 |
hFacW(I,J,K,bi,bj)= |
189 |
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& MIN(hFacC(I,J,K,bi,bj),hFacC(I-1,J,K,bi,bj)) |
190 |
adcroft |
1.28 |
ENDDO |
191 |
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ENDDO |
192 |
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DO J=2-Oly,sNy+oly |
193 |
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DO I=1-Olx,sNx+Olx |
194 |
adcroft |
1.1 |
hFacS(I,J,K,bi,bj)= |
195 |
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& MIN(hFacC(I,J,K,bi,bj),hFacC(I,J-1,K,bi,bj)) |
196 |
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ENDDO |
197 |
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ENDDO |
198 |
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ENDDO |
199 |
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ENDDO |
200 |
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ENDDO |
201 |
adcroft |
1.21 |
CALL EXCH_UV_XYZ_RS(hFacW,hFacS,.FALSE.,myThid) |
202 |
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C The following block allows thin walls representation of non-periodic |
203 |
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C boundaries such as happen on the lat-lon grid at the N/S poles. |
204 |
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C We should really supply a flag for doing this. |
205 |
adcroft |
1.19 |
DO bj=myByLo(myThid), myByHi(myThid) |
206 |
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DO bi=myBxLo(myThid), myBxHi(myThid) |
207 |
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DO K=1, Nr |
208 |
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DO J=1-Oly,sNy+Oly |
209 |
adcroft |
1.21 |
DO I=1-Olx,sNx+Olx |
210 |
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IF (DYG(I,J,bi,bj).EQ.0.) hFacW(I,J,K,bi,bj)=0. |
211 |
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IF (DXG(I,J,bi,bj).EQ.0.) hFacS(I,J,K,bi,bj)=0. |
212 |
adcroft |
1.19 |
ENDDO |
213 |
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ENDDO |
214 |
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ENDDO |
215 |
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ENDDO |
216 |
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ENDDO |
217 |
jmc |
1.22 |
|
218 |
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C- Write to disk: Total Column Thickness & hFac(C,W,S): |
219 |
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_BARRIER |
220 |
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_BEGIN_MASTER( myThid ) |
221 |
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C CALL MDSWRITEFIELD( 'Depth', writeBinaryPrec, .TRUE., |
222 |
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C & 'RS', 1, tmpfld, 1, -1, myThid ) |
223 |
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CALL WRITE_FLD_XY_RS( 'Depth',' ',tmpfld,0,myThid) |
224 |
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CALL WRITE_FLD_XYZ_RS( 'hFacC',' ',hFacC,0,myThid) |
225 |
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CALL WRITE_FLD_XYZ_RS( 'hFacW',' ',hFacW,0,myThid) |
226 |
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CALL WRITE_FLD_XYZ_RS( 'hFacS',' ',hFacS,0,myThid) |
227 |
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_END_MASTER(myThid) |
228 |
adcroft |
1.19 |
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229 |
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CALL PLOT_FIELD_XYZRS( hFacC, 'hFacC' , Nr, 1, myThid ) |
230 |
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CALL PLOT_FIELD_XYZRS( hFacW, 'hFacW' , Nr, 1, myThid ) |
231 |
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CALL PLOT_FIELD_XYZRS( hFacS, 'hFacS' , Nr, 1, myThid ) |
232 |
adcroft |
1.1 |
|
233 |
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C Masks and reciprocals of hFac[CWS] |
234 |
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DO bj = myByLo(myThid), myByHi(myThid) |
235 |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
236 |
cnh |
1.4 |
DO K=1,Nr |
237 |
adcroft |
1.19 |
DO J=1-Oly,sNy+Oly |
238 |
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DO I=1-Olx,sNx+Olx |
239 |
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IF (HFacC(I,J,K,bi,bj) .NE. 0. ) THEN |
240 |
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recip_HFacC(I,J,K,bi,bj) = 1. / HFacC(I,J,K,bi,bj) |
241 |
adcroft |
1.21 |
maskC(I,J,K,bi,bj) = 1. |
242 |
adcroft |
1.1 |
ELSE |
243 |
adcroft |
1.19 |
recip_HFacC(I,J,K,bi,bj) = 0. |
244 |
adcroft |
1.21 |
maskC(I,J,K,bi,bj) = 0. |
245 |
adcroft |
1.1 |
ENDIF |
246 |
adcroft |
1.19 |
IF (HFacW(I,J,K,bi,bj) .NE. 0. ) THEN |
247 |
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recip_HFacW(I,J,K,bi,bj) = 1. / HFacW(I,J,K,bi,bj) |
248 |
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maskW(I,J,K,bi,bj) = 1. |
249 |
adcroft |
1.1 |
ELSE |
250 |
adcroft |
1.19 |
recip_HFacW(I,J,K,bi,bj) = 0. |
251 |
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maskW(I,J,K,bi,bj) = 0. |
252 |
adcroft |
1.1 |
ENDIF |
253 |
adcroft |
1.19 |
IF (HFacS(I,J,K,bi,bj) .NE. 0. ) THEN |
254 |
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recip_HFacS(I,J,K,bi,bj) = 1. / HFacS(I,J,K,bi,bj) |
255 |
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maskS(I,J,K,bi,bj) = 1. |
256 |
adcroft |
1.1 |
ELSE |
257 |
adcroft |
1.19 |
recip_HFacS(I,J,K,bi,bj) = 0. |
258 |
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maskS(I,J,K,bi,bj) = 0. |
259 |
adcroft |
1.1 |
ENDIF |
260 |
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ENDDO |
261 |
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ENDDO |
262 |
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ENDDO |
263 |
jmc |
1.23 |
C- Calculate surface k index for interface W & S (U & V points) |
264 |
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DO J=1-Oly,sNy+Oly |
265 |
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DO I=1-Olx,sNx+Olx |
266 |
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ksurfW(I,J,bi,bj) = Nr+1 |
267 |
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ksurfS(I,J,bi,bj) = Nr+1 |
268 |
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DO k=Nr,1,-1 |
269 |
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IF (hFacW(I,J,K,bi,bj).NE.0.) ksurfW(I,J,bi,bj) = k |
270 |
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IF (hFacS(I,J,K,bi,bj).NE.0.) ksurfS(I,J,bi,bj) = k |
271 |
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ENDDO |
272 |
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ENDDO |
273 |
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ENDDO |
274 |
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C - end bi,bj loops. |
275 |
adcroft |
1.1 |
ENDDO |
276 |
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ENDDO |
277 |
adcroft |
1.19 |
C _EXCH_XYZ_R4(recip_HFacC , myThid ) |
278 |
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C _EXCH_XYZ_R4(recip_HFacW , myThid ) |
279 |
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C _EXCH_XYZ_R4(recip_HFacS , myThid ) |
280 |
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C _EXCH_XYZ_R4(maskW , myThid ) |
281 |
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C _EXCH_XYZ_R4(maskS , myThid ) |
282 |
adcroft |
1.1 |
|
283 |
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C Calculate recipricols grid lengths |
284 |
|
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DO bj = myByLo(myThid), myByHi(myThid) |
285 |
|
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DO bi = myBxLo(myThid), myBxHi(myThid) |
286 |
adcroft |
1.19 |
DO J=1-Oly,sNy+Oly |
287 |
|
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DO I=1-Olx,sNx+Olx |
288 |
|
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IF ( dxG(I,J,bi,bj) .NE. 0. ) |
289 |
|
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& recip_dxG(I,J,bi,bj)=1.d0/dxG(I,J,bi,bj) |
290 |
|
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IF ( dyG(I,J,bi,bj) .NE. 0. ) |
291 |
|
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& recip_dyG(I,J,bi,bj)=1.d0/dyG(I,J,bi,bj) |
292 |
|
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IF ( dxC(I,J,bi,bj) .NE. 0. ) |
293 |
|
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& recip_dxC(I,J,bi,bj)=1.d0/dxC(I,J,bi,bj) |
294 |
|
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IF ( dyC(I,J,bi,bj) .NE. 0. ) |
295 |
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& recip_dyC(I,J,bi,bj)=1.d0/dyC(I,J,bi,bj) |
296 |
|
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IF ( dxF(I,J,bi,bj) .NE. 0. ) |
297 |
|
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& recip_dxF(I,J,bi,bj)=1.d0/dxF(I,J,bi,bj) |
298 |
|
|
IF ( dyF(I,J,bi,bj) .NE. 0. ) |
299 |
|
|
& recip_dyF(I,J,bi,bj)=1.d0/dyF(I,J,bi,bj) |
300 |
|
|
IF ( dxV(I,J,bi,bj) .NE. 0. ) |
301 |
|
|
& recip_dxV(I,J,bi,bj)=1.d0/dxV(I,J,bi,bj) |
302 |
|
|
IF ( dyU(I,J,bi,bj) .NE. 0. ) |
303 |
|
|
& recip_dyU(I,J,bi,bj)=1.d0/dyU(I,J,bi,bj) |
304 |
|
|
IF ( rA(I,J,bi,bj) .NE. 0. ) |
305 |
|
|
& recip_rA(I,J,bi,bj)=1.d0/rA(I,J,bi,bj) |
306 |
|
|
IF ( rAs(I,J,bi,bj) .NE. 0. ) |
307 |
|
|
& recip_rAs(I,J,bi,bj)=1.d0/rAs(I,J,bi,bj) |
308 |
|
|
IF ( rAw(I,J,bi,bj) .NE. 0. ) |
309 |
|
|
& recip_rAw(I,J,bi,bj)=1.d0/rAw(I,J,bi,bj) |
310 |
|
|
IF ( rAz(I,J,bi,bj) .NE. 0. ) |
311 |
|
|
& recip_rAz(I,J,bi,bj)=1.d0/rAz(I,J,bi,bj) |
312 |
adcroft |
1.1 |
ENDDO |
313 |
|
|
ENDDO |
314 |
|
|
ENDDO |
315 |
|
|
ENDDO |
316 |
adcroft |
1.19 |
C Do not need these since above denominators are valid over full range |
317 |
|
|
C _EXCH_XY_R4(recip_dxG, myThid ) |
318 |
|
|
C _EXCH_XY_R4(recip_dyG, myThid ) |
319 |
|
|
C _EXCH_XY_R4(recip_dxC, myThid ) |
320 |
|
|
C _EXCH_XY_R4(recip_dyC, myThid ) |
321 |
|
|
C _EXCH_XY_R4(recip_dxF, myThid ) |
322 |
|
|
C _EXCH_XY_R4(recip_dyF, myThid ) |
323 |
|
|
C _EXCH_XY_R4(recip_dxV, myThid ) |
324 |
|
|
C _EXCH_XY_R4(recip_dyU, myThid ) |
325 |
|
|
C _EXCH_XY_R4(recip_rAw, myThid ) |
326 |
|
|
C _EXCH_XY_R4(recip_rAs, myThid ) |
327 |
adcroft |
1.1 |
|
328 |
adcroft |
1.15 |
#ifdef ALLOW_NONHYDROSTATIC |
329 |
|
|
C-- Calculate the reciprocal hfac distance/volume for W cells |
330 |
|
|
DO bj = myByLo(myThid), myByHi(myThid) |
331 |
|
|
DO bi = myBxLo(myThid), myBxHi(myThid) |
332 |
|
|
DO K=1,Nr |
333 |
|
|
Km1=max(K-1,1) |
334 |
|
|
hFacUpper=drF(Km1)/(drF(Km1)+drF(K)) |
335 |
|
|
IF (Km1.EQ.K) hFacUpper=0. |
336 |
|
|
hFacLower=drF(K)/(drF(Km1)+drF(K)) |
337 |
adcroft |
1.19 |
DO J=1-Oly,sNy+Oly |
338 |
|
|
DO I=1-Olx,sNx+Olx |
339 |
adcroft |
1.15 |
IF (hFacC(I,J,K,bi,bj).NE.0.) THEN |
340 |
|
|
IF (hFacC(I,J,K,bi,bj).LE.0.5) THEN |
341 |
|
|
recip_hFacU(I,J,K,bi,bj)= |
342 |
|
|
& hFacUpper+hFacLower*hFacC(I,J,K,bi,bj) |
343 |
|
|
ELSE |
344 |
|
|
recip_hFacU(I,J,K,bi,bj)=1. |
345 |
|
|
ENDIF |
346 |
|
|
ELSE |
347 |
|
|
recip_hFacU(I,J,K,bi,bj)=0. |
348 |
|
|
ENDIF |
349 |
|
|
IF (recip_hFacU(I,J,K,bi,bj).NE.0.) |
350 |
|
|
& recip_hFacU(I,J,K,bi,bj)=1./recip_hFacU(I,J,K,bi,bj) |
351 |
|
|
ENDDO |
352 |
|
|
ENDDO |
353 |
|
|
ENDDO |
354 |
|
|
ENDDO |
355 |
|
|
ENDDO |
356 |
adcroft |
1.19 |
C _EXCH_XY_R4(recip_hFacU, myThid ) |
357 |
adcroft |
1.15 |
#endif |
358 |
adcroft |
1.1 |
C |
359 |
|
|
RETURN |
360 |
|
|
END |