/[MITgcm]/MITgcm/verification/hs94.cs-32x32x5/code/external_forcing.F
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Contents of /MITgcm/verification/hs94.cs-32x32x5/code/external_forcing.F

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Revision 1.4 - (show annotations) (download)
Wed Jun 6 20:31:48 2001 UTC (22 years, 10 months ago) by adcroft
Branch: MAIN
CVS Tags: checkpoint40pre1
Changes since 1.3: +2 -2 lines
And another _d ...

1 C $Header: /u/gcmpack/models/MITgcmUV/verification/hs94.cs-32x32x5/code/external_forcing.F,v 1.3 2001/06/06 19:46:43 adcroft Exp $
2 C $Name: $
3
4 #include "CPP_OPTIONS.h"
5
6 CStartOfInterface
7 SUBROUTINE EXTERNAL_FORCING_U(
8 I iMin, iMax, jMin, jMax,bi,bj,kLev,
9 I myCurrentTime,myThid)
10 C /==========================================================\
11 C | S/R EXTERNAL_FORCING_U |
12 C | o Contains problem specific forcing for zonal velocity. |
13 C |==========================================================|
14 C | Adds terms to gU for forcing by external sources |
15 C | e.g. wind stress, bottom friction etc.................. |
16 C \==========================================================/
17 IMPLICIT NONE
18
19 C == Global data ==
20 #include "SIZE.h"
21 #include "EEPARAMS.h"
22 #include "PARAMS.h"
23 #include "GRID.h"
24 #include "DYNVARS.h"
25 #include "FFIELDS.h"
26
27 C == Routine arguments ==
28 C iMin - Working range of tile for applying forcing.
29 C iMax
30 C jMin
31 C jMax
32 C kLev
33 INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj
34 _RL myCurrentTime
35 INTEGER myThid
36 CEndOfInterface
37
38 C == Local variables ==
39 C Loop counters
40 INTEGER I, J
41 C _RL uKf
42 C _RL levelOfGround
43 C _RL criticalLevel
44 C _RL levelOfVelPoint
45 C _RL dist1
46 C _RL dist2
47 C _RL decayFac
48 C _RL velDragHeightFac
49 _RL termP,kV,kF
50
51 C-- Forcing term(s)
52 kF=1. _d 0/86400. _d 0
53 DO J=jMin,jMax
54 DO I=iMin,iMax
55 IF ( HFacW(i,j,kLev,bi,bj) .GT. 0. ) THEN
56 C termP=0.5*( rF(kLev) + min( rF(kLev+1) ,
57 C & min(H(I,J,bi,bj),H(I,J-1,bi,bj)) ) )
58 termP=0.5 _d 0*( rF(kLev) + rF(kLev+1) )
59 kV=kF*MAX(0. _d 0,
60 & (termP*recip_Rcol(I,J,bi,bj)-0.7 _d 0)/(1. _d 0-0.7 _d 0) )
61 gU(i,j,kLev,bi,bj)=gU(i,j,kLev,bi,bj)
62 & -kV*uVel(i,j,kLev,bi,bj)
63 ENDIF
64 ENDDO
65 ENDDO
66
67 RETURN
68 END
69 CStartOfInterface
70 SUBROUTINE EXTERNAL_FORCING_V(
71 I iMin, iMax, jMin, jMax,bi,bj,kLev,
72 I myCurrentTime,myThid)
73 C /==========================================================\
74 C | S/R EXTERNAL_FORCING_V |
75 C | o Contains problem specific forcing for merid velocity. |
76 C |==========================================================|
77 C | Adds terms to gV for forcing by external sources |
78 C | e.g. wind stress, bottom friction etc.................. |
79 C \==========================================================/
80 IMPLICIT NONE
81
82 C == Global data ==
83 #include "SIZE.h"
84 #include "EEPARAMS.h"
85 #include "PARAMS.h"
86 #include "GRID.h"
87 #include "DYNVARS.h"
88 #include "FFIELDS.h"
89
90
91 C == Routine arguments ==
92 C iMin - Working range of tile for applying forcing.
93 C iMax
94 C jMin
95 C jMax
96 C kLev
97 INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj
98 _RL myCurrentTime
99 INTEGER myThid
100 CEndOfInterface
101 C == Local variables ==
102 C Loop counters
103 INTEGER I, J
104 C _RL uKf
105 C _RL levelOfGround
106 C _RL criticalLevel
107 C _RL levelOfVelPoint
108 C _RL dist1
109 C _RL dist2
110 C _RL decayFac
111 C _RL velDragHeightFac
112 _RL termP,kV,kF
113
114 C-- Forcing term(s)
115 kF=1. _d 0/86400. _d 0
116 DO J=jMin,jMax
117 DO I=iMin,iMax
118 IF ( HFacS(i,j,kLev,bi,bj) .GT. 0. ) THEN
119 C termP=0.5*( rF(kLev) + min( rF(kLev+1) ,
120 C & min(H(I,J,bi,bj),H(I,J-1,bi,bj)) ) )
121 termP=0.5 _d 0*( rF(kLev) + rF(kLev+1) )
122 kV=kF*MAX(0. _d 0,
123 & (termP*recip_Rcol(I,J,bi,bj)-0.7 _d 0)/(1. _d 0-0.7 _d 0) )
124 gV(i,j,kLev,bi,bj)=gV(i,j,kLev,bi,bj)
125 & -kV*vVel(i,j,kLev,bi,bj)
126 ENDIF
127 ENDDO
128 ENDDO
129
130 RETURN
131 END
132 CStartOfInterface
133 SUBROUTINE EXTERNAL_FORCING_T(
134 I iMin, iMax, jMin, jMax,bi,bj,kLev,
135 I myCurrentTime,myThid)
136 C /==========================================================\
137 C | S/R EXTERNAL_FORCING_T |
138 C | o Contains problem specific forcing for temperature. |
139 C |==========================================================|
140 C | Adds terms to gT for forcing by external sources |
141 C | e.g. heat flux, climatalogical relaxation.............. |
142 C \==========================================================/
143 IMPLICIT NONE
144
145 C == Global data ==
146 #include "SIZE.h"
147 #include "EEPARAMS.h"
148 #include "PARAMS.h"
149 #include "GRID.h"
150 #include "DYNVARS.h"
151 #include "FFIELDS.h"
152
153 C == Routine arguments ==
154 C iMin - Working range of tile for applying forcing.
155 C iMax
156 C jMin
157 C jMax
158 C kLev
159 INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj
160 _RL myCurrentTime
161 INTEGER myThid
162 CEndOfInterface
163
164 C == Local variables ==
165 C Loop counters
166 INTEGER I, J
167 _RL thetaLim,kT,ka,ks,term1,term2,thetaEq,termP,rSurf
168
169 C-- Forcing term(s)
170 rSurf=1. _d 5
171 ka=1. _d 0/(40. _d 0*86400. _d 0)
172 ks=1. _d 0/(4. _d 0 *86400. _d 0)
173 DO J=jMin,jMax
174 DO I=iMin,iMax
175 term1=60. _d 0*(sin(yC(I,J,bi,bj)*deg2rad)**2)
176 C termP=0.5*( rF(kLev) + min( rF(kLev+1) , H(I,J,bi,bj) ) )
177 termP=0.5 _d 0*( rF(kLev) + rF(kLev+1) )
178 term2=10. _d 0*log(termP/rSurf)
179 & *(cos(yC(I,J,bi,bj)*deg2rad)**2)
180 thetaLim = 200. _d 0/ ((termP/rSurf)**(2. _d 0/7. _d 0))
181 thetaEq=315. _d 0-term1-term2
182 thetaEq=MAX(thetaLim,thetaEq)
183 kT=ka+(ks-ka)
184 & *MAX(0. _d 0,
185 & (termP*recip_Rcol(I,J,bi,bj)-0.7 _d 0)/(1. _d 0-0.7 _d 0) )
186 & *COS((yC(I,J,bi,bj)*deg2rad))**4
187 gT(i,j,kLev,bi,bj)=gT(i,j,kLev,bi,bj)
188 & - kT*( theta(I,J,kLev,bi,bj)-thetaEq )
189 & *maskC(i,j,kLev,bi,bj)
190 ENDDO
191 ENDDO
192
193 RETURN
194 END
195 CStartOfInterface
196 SUBROUTINE EXTERNAL_FORCING_S(
197 I iMin, iMax, jMin, jMax,bi,bj,kLev,
198 I myCurrentTime,myThid)
199 C /==========================================================\
200 C | S/R EXTERNAL_FORCING_S |
201 C | o Contains problem specific forcing for merid velocity. |
202 C |==========================================================|
203 C | Adds terms to gS for forcing by external sources |
204 C | e.g. fresh-water flux, climatalogical relaxation....... |
205 C \==========================================================/
206 IMPLICIT NONE
207
208 C == Global data ==
209 #include "SIZE.h"
210 #include "EEPARAMS.h"
211 #include "PARAMS.h"
212 #include "GRID.h"
213 #include "DYNVARS.h"
214 #include "FFIELDS.h"
215
216 C == Routine arguments ==
217 C iMin - Working range of tile for applying forcing.
218 C iMax
219 C jMin
220 C jMax
221 C kLev
222 INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj
223 _RL myCurrentTime
224 INTEGER myThid
225 CEndOfInterface
226
227 C == Local variables ==
228 C Loop counters
229 INTEGER I, J
230
231 C-- Forcing term(s)
232
233 RETURN
234 END

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