/[MITgcm]/MITgcm/model/src/calc_3d_diffusivity.F
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Contents of /MITgcm/model/src/calc_3d_diffusivity.F

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Revision 1.10 - (show annotations) (download)
Mon Apr 23 20:46:49 2007 UTC (17 years, 1 month ago) by dimitri
Branch: MAIN
CVS Tags: checkpoint59e, checkpoint59d, checkpoint59f, checkpoint59a, checkpoint59c, checkpoint59b
Changes since 1.9: +63 -66 lines
o bug fixes for vertical diffusivity computations when both KPP and
    3D diffusivity arrays are used.

1 C $Header: /u/gcmpack/MITgcm/model/src/calc_3d_diffusivity.F,v 1.9 2007/04/14 18:32:32 dimitri Exp $
2 C $Name: $
3
4 #include "PACKAGES_CONFIG.h"
5 #include "CPP_OPTIONS.h"
6
7 CBOP
8 C !ROUTINE: CALC_3D_DIFFUSIVITY
9 C !INTERFACE:
10 SUBROUTINE CALC_3D_DIFFUSIVITY(
11 I bi,bj,iMin,iMax,jMin,jMax,
12 I trIdentity, trUseGMRedi, trUseKPP,
13 O KappaRTr,
14 I myThid)
15
16 C !DESCRIPTION: \bv
17 C *==========================================================*
18 C | SUBROUTINE CALC_3D_DIFFUSIVITY
19 C | o Calculate net (3D) vertical diffusivity for 1 tracer
20 C *==========================================================*
21 C | Combines spatially varying diffusion coefficients from
22 C | KPP and/or GM and/or convective stability test.
23 C *==========================================================*
24 C \ev
25
26 C !USES:
27 IMPLICIT NONE
28 C == GLobal variables ==
29 #include "SIZE.h"
30 #include "EEPARAMS.h"
31 #include "PARAMS.h"
32 #include "DYNVARS.h"
33 #include "GRID.h"
34 #ifdef ALLOW_GENERIC_ADVDIFF
35 #include "GAD.h"
36 #endif
37 #ifdef ALLOW_PTRACERS
38 #include "PTRACERS_SIZE.h"
39 #include "PTRACERS.h"
40 #endif
41
42 C !INPUT/OUTPUT PARAMETERS:
43 C == Routine arguments ==
44 C bi, bj :: tile indices
45 C iMin,iMax :: Range of points for which calculation is performed.
46 C jMin,jMax :: Range of points for which calculation is performed.
47 C trIdentity :: tracer identifier
48 C trUseGMRedi:: this tracer use GM-Redi
49 C trUseKPP :: this tracer use KPP
50 C myThid :: Instance number for this innvocation of CALC_3D_DIFFUSIVITY
51 C KappaRTr :: Net diffusivity for this tracer (trIdentity)
52 INTEGER bi,bj,iMin,iMax,jMin,jMax
53 INTEGER trIdentity
54 LOGICAL trUseGMRedi, trUseKPP
55 _RL KappaRTr(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr)
56 INTEGER myThid
57
58 #ifdef ALLOW_GENERIC_ADVDIFF
59 C !LOCAL VARIABLES:
60 C == Local variables ==
61 C i, j, k :: Loop counters
62 C iTr :: passive tracer index
63 C msgBuf :: message buffer
64 INTEGER i,j,k
65 _RL KbryanLewis79, KbryanLewisEQ
66 CHARACTER*(MAX_LEN_MBUF) msgBuf
67 #ifdef ALLOW_PTRACERS
68 INTEGER iTr
69 #endif
70 CEOP
71
72 IF ( .NOT. trUseKPP ) THEN
73 DO k = 1,Nr
74 KbryanLewis79=diffKrBL79surf+(diffKrBL79deep-diffKrBL79surf)
75 & *(atan(-(rF(k)-diffKrBL79Ho)/diffKrBL79scl)/PI+0.5 _d 0)
76 #ifdef ALLOW_BL79_LAT_VARY
77 KbryanLewisEQ=diffKrBLEQsurf+(diffKrBLEQdeep-diffKrBLEQsurf)
78 & *(atan(-(rF(k)-diffKrBLEQHo)/diffKrBLEQscl)/PI+0.5 _d 0)
79 #endif
80 DO j = 1-Oly,sNy+Oly
81 DO i = 1-Olx,sNx+Olx
82 KappaRTr(i,j,k) =
83 & IVDConvCount(i,j,k,bi,bj)*ivdc_kappa
84 & + KbryanLewis79
85 #ifdef ALLOW_BL79_LAT_VARY
86 & + (KbryanLewisEQ-KbryanLewis79)*BL79LatArray(i,j,bi,bj)
87 #endif
88 ENDDO
89 ENDDO
90 ENDDO
91 IF ( trIdentity.EQ.GAD_TEMPERATURE ) THEN
92 DO k = 1,Nr
93 DO j = 1-Oly,sNy+Oly
94 DO i = 1-Olx,sNx+Olx
95 KappaRTr(i,j,k) = KappaRTr(i,j,k)
96 #if (defined ALLOW_3D_DIFFKR || \
97 (defined (ALLOW_AUTODIFF_TAMC) && defined (ALLOW_DIFFKR_CONTROL)))
98 & + diffKr(i,j,k,bi,bj)
99 #else
100 & + diffKrNrT(k)
101 #endif
102 ENDDO
103 ENDDO
104 ENDDO
105 ELSEIF ( trIdentity.EQ.GAD_SALINITY) THEN
106 DO k = 1,Nr
107 DO j = 1-Oly, sNy+Oly
108 DO i = 1-Olx, sNx+Olx
109 KappaRTr(i,j,k) = KappaRTr(i,j,k)
110 #if (defined ALLOW_3D_DIFFKR || \
111 (defined (ALLOW_AUTODIFF_TAMC) && defined (ALLOW_DIFFKR_CONTROL)))
112 & + diffKr(i,j,k,bi,bj)
113 #else
114 & + diffKrNrS(k)
115 #endif
116 ENDDO
117 ENDDO
118 ENDDO
119 #ifdef ALLOW_PTRACERS
120 ELSEIF ( trIdentity.GE.GAD_TR1
121 & .AND. trIdentity.LT.GAD_TR1+PTRACERS_numInUse) THEN
122
123 iTr = trIdentity - GAD_TR1 + 1
124 DO k = 1,Nr
125 DO j = 1-Oly, sNy+Oly
126 DO i = 1-Olx, sNx+Olx
127 KappaRTr(i,j,k) = KappaRTr(i,j,k)
128 #if (defined ALLOW_3D_DIFFKR || \
129 (defined (ALLOW_AUTODIFF_TAMC) && defined (ALLOW_DIFFKR_CONTROL)))
130 & + diffKr(i,j,k,bi,bj)
131 #else
132 & + PTRACERS_diffKrNr(k,iTr)
133 #endif
134 ENDDO
135 ENDDO
136 ENDDO
137 #endif /* ALLOW_PTRACERS */
138 ELSE
139 WRITE(msgBuf,'(A,I4)')
140 & ' CALC_3D_DIFFUSIVITY: Invalid tracer Id: ',trIdentity
141 CALL PRINT_ERROR(msgBuf, myThid)
142 STOP 'ABNORMAL END: S/R CALC_3D_DIFFUSIVITY'
143 ENDIF
144 ENDIF
145
146 C-- Add physical pacakge contributions:
147
148 #ifdef ALLOW_KPP
149 IF (trUseKPP) THEN
150 IF (trIdentity.EQ.GAD_TEMPERATURE) THEN
151 CALL KPP_CALC_DIFF_T(
152 I bi,bj,iMin,iMax,jMin,jMax,0,Nr,
153 U KappaRTr,
154 I myThid)
155 ELSE
156 CALL KPP_CALC_DIFF_S(
157 I bi,bj,iMin,iMax,jMin,jMax,0,Nr,
158 U KappaRTr,
159 I myThid)
160 ENDIF
161 #if (defined ALLOW_PTRACERS && ! (defined ALLOW_3D_DIFFKR || \
162 (defined (ALLOW_AUTODIFF_TAMC) && defined (ALLOW_DIFFKR_CONTROL))))
163 IF ( trIdentity.GE.GAD_TR1
164 & .AND. trIdentity.LT.GAD_TR1+PTRACERS_numInUse) THEN
165 iTr = trIdentity - GAD_TR1 + 1
166 DO k = 1,Nr
167 DO j = 1-Oly, sNy+Oly
168 DO i = 1-Olx, sNx+Olx
169 KappaRTr(i,j,k) = KappaRTr(i,j,k)
170 & - diffKrNrS(k) + PTRACERS_diffKrNr(k,iTr)
171 ENDDO
172 ENDDO
173 ENDDO
174 ENDIF
175 #endif
176 ENDIF
177 #endif /* ALLOW_KPP */
178
179 #ifdef ALLOW_GMREDI
180 IF (trUseGMRedi) THEN
181 CALL GMREDI_CALC_DIFF(
182 I bi,bj,iMin,iMax,jMin,jMax,0,Nr,
183 U KappaRTr,
184 I myThid)
185 ENDIF
186 #endif
187
188 #ifdef ALLOW_PP81
189 IF (usePP81) THEN
190 CALL PP81_CALC_DIFF(
191 I bi,bj,iMin,iMax,jMin,jMax,0,Nr,
192 U KappaRTr,
193 I myThid)
194 ENDIF
195 #endif
196
197 #ifdef ALLOW_MY82
198 IF (useMY82) THEN
199 CALL MY82_CALC_DIFF(
200 I bi,bj,iMin,iMax,jMin,jMax,0,Nr,
201 U KappaRTr,
202 I myThid)
203 ENDIF
204 #endif
205
206 #ifdef ALLOW_GGL90
207 IF (useGGL90) THEN
208 CALL GGL90_CALC_DIFF(
209 I bi,bj,iMin,iMax,jMin,jMax,0,Nr,
210 O KappaRTr,
211 I myThid)
212 ENDIF
213 #endif
214
215 C- Apply mask to vertical diffusivity
216 C jmc: don't have the impression that masking is needed
217 C but could be removed later if it's the case.
218 c DO j = 1-Oly, sNy+Oly
219 c DO i = 1-Olx, sNx+Olx
220 c KappaRTr(i,j,k) = maskUp(i,j)*KappaRTr(i,j,k)
221 c ENDDO
222 c ENDDO
223
224 #endif /* ALLOW_GENERIC_ADVDIFF */
225
226 RETURN
227 END

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