/[MITgcm]/MITgcm/verification/hs94.cs-32x32x5/code/external_forcing.F
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Revision 1.6 - (hide annotations) (download)
Sun Jul 17 18:40:10 2005 UTC (18 years, 10 months ago) by jmc
Branch: MAIN
CVS Tags: checkpoint57m_post, checkpoint57s_post, checkpoint58b_post, checkpoint57y_post, checkpoint62c, checkpoint57r_post, checkpoint59, checkpoint58, checkpoint58f_post, checkpoint58d_post, checkpoint58a_post, checkpoint57z_post, checkpoint62a, checkpoint62g, checkpoint62f, checkpoint62e, checkpoint62k, checkpoint62j, checkpoint62i, checkpoint62h, checkpoint58y_post, checkpoint58t_post, checkpoint58m_post, checkpoint57t_post, checkpoint57v_post, checkpoint60, checkpoint61, checkpoint62, checkpoint57x_post, checkpoint58w_post, checkpoint57y_pre, checkpoint58o_post, checkpoint58p_post, checkpoint58q_post, checkpoint58e_post, checkpoint58r_post, checkpoint58n_post, checkpoint59q, checkpoint59p, checkpoint59r, checkpoint59e, checkpoint59d, checkpoint59g, checkpoint59f, checkpoint59a, checkpoint59c, checkpoint59b, checkpoint59m, checkpoint59l, checkpoint59o, checkpoint59n, checkpoint59i, checkpoint59h, checkpoint59k, checkpoint59j, checkpoint57p_post, checkpint57u_post, checkpoint57q_post, checkpoint58k_post, checkpoint62b, checkpoint58v_post, checkpoint58l_post, checkpoint62d, checkpoint61f, checkpoint58g_post, checkpoint58x_post, checkpoint61n, checkpoint58h_post, checkpoint58j_post, checkpoint57o_post, checkpoint61q, checkpoint61z, checkpoint57w_post, checkpoint61e, checkpoint58i_post, checkpoint58c_post, checkpoint58u_post, checkpoint58s_post, checkpoint61g, checkpoint61d, checkpoint61b, checkpoint61c, checkpoint61a, checkpoint61o, checkpoint61l, checkpoint61m, checkpoint61j, checkpoint61k, checkpoint61h, checkpoint61i, checkpoint61v, checkpoint61w, checkpoint61t, checkpoint61u, checkpoint61r, checkpoint61s, checkpoint61p, checkpoint61x, checkpoint61y
Changes since 1.5: +143 -120 lines 
use tutorial_held_suarez_cs version.
1 jmc 1.6 C $Header: /u/gcmpack/MITgcm/verification/tutorial_held_suarez_cs/code/external_forcing.F,v 1.1 2005/07/15 21:25:20 jmc Exp $
2 adcroft 1.3 C $Name: $
3 adcroft 1.2
4     #include "CPP_OPTIONS.h"
5    
6 jmc 1.6 CBOP
7     C !ROUTINE: EXTERNAL_FORCING_U
8     C !INTERFACE:
9 adcroft 1.2 SUBROUTINE EXTERNAL_FORCING_U(
10 jmc 1.6 I iMin,iMax, jMin,jMax, bi,bj, kLev,
11     I myTime, myThid )
12     C !DESCRIPTION: \bv
13     C *==========================================================*
14     C | S/R EXTERNAL_FORCING_U
15     C | o Contains problem specific forcing for zonal velocity.
16     C *==========================================================*
17     C | Adds terms to gU for forcing by external sources
18     C | e.g. wind stress, bottom friction etc ...
19     C *==========================================================*
20     C \ev
21    
22     C !USES:
23 adcroft 1.2 IMPLICIT NONE
24     C == Global data ==
25     #include "SIZE.h"
26     #include "EEPARAMS.h"
27     #include "PARAMS.h"
28     #include "GRID.h"
29     #include "DYNVARS.h"
30     #include "FFIELDS.h"
31    
32 jmc 1.6 C !INPUT/OUTPUT PARAMETERS:
33 adcroft 1.2 C == Routine arguments ==
34 jmc 1.6 C iMin,iMax :: Working range of x-index for applying forcing.
35     C jMin,jMax :: Working range of y-index for applying forcing.
36     C bi,bj :: Current tile indices
37     C kLev :: Current vertical level index
38     C myTime :: Current time in simulation
39     C myThid :: Thread Id number
40 adcroft 1.2 INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj
41 jmc 1.6 _RL myTime
42 adcroft 1.2 INTEGER myThid
43    
44 jmc 1.6 C !LOCAL VARIABLES:
45 adcroft 1.2 C == Local variables ==
46 jmc 1.6 C i,j :: Loop counters
47     INTEGER i, j
48     CEOP
49     _RL recip_P0g, termP, kV, kF, sigma_b
50 adcroft 1.2
51     C-- Forcing term(s)
52 adcroft 1.3 kF=1. _d 0/86400. _d 0
53 jmc 1.5 sigma_b = 0.7 _d 0
54 jmc 1.6 c DO j=1,sNy
55     C-jmc: Without CD-scheme, this is OK ; but with CD-scheme, needs to cover [0:sNy+1]
56     DO j=0,sNy+1
57     DO i=1,sNx+1
58 jmc 1.5 IF ( hFacW(i,j,kLev,bi,bj) .GT. 0. ) THEN
59 jmc 1.6 recip_P0g=MAX(recip_Rcol(i,j,bi,bj),recip_Rcol(i-1,j,bi,bj))
60 jmc 1.5 termP=0.5 _d 0*( MIN(rF(kLev)*recip_P0g,1. _d 0)
61     & +rF(kLev+1)*recip_P0g )
62     c termP=0.5 _d 0*( rF(kLev) + rF(kLev+1) )*recip_P0g
63     kV=kF*MAX( 0. _d 0, (termP-sigma_b)/(1. _d 0-sigma_b) )
64 adcroft 1.2 gU(i,j,kLev,bi,bj)=gU(i,j,kLev,bi,bj)
65 jmc 1.6 & -kV*uVel(i,j,kLev,bi,bj)
66 adcroft 1.2 ENDIF
67     ENDDO
68     ENDDO
69    
70     RETURN
71     END
72 jmc 1.6
73     C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
74     CBOP
75     C !ROUTINE: EXTERNAL_FORCING_V
76     C !INTERFACE:
77 adcroft 1.2 SUBROUTINE EXTERNAL_FORCING_V(
78 jmc 1.6 I iMin,iMax, jMin,jMax, bi,bj, kLev,
79     I myTime, myThid )
80     C !DESCRIPTION: \bv
81     C *==========================================================*
82     C | S/R EXTERNAL_FORCING_V
83     C | o Contains problem specific forcing for merid velocity.
84     C *==========================================================*
85     C | Adds terms to gV for forcing by external sources
86     C | e.g. wind stress, bottom friction etc ...
87     C *==========================================================*
88     C \ev
89    
90     C !USES:
91 adcroft 1.2 IMPLICIT NONE
92     C == Global data ==
93     #include "SIZE.h"
94     #include "EEPARAMS.h"
95     #include "PARAMS.h"
96     #include "GRID.h"
97     #include "DYNVARS.h"
98     #include "FFIELDS.h"
99    
100 jmc 1.6 C !INPUT/OUTPUT PARAMETERS:
101 adcroft 1.2 C == Routine arguments ==
102 jmc 1.6 C iMin,iMax :: Working range of x-index for applying forcing.
103     C jMin,jMax :: Working range of y-index for applying forcing.
104     C bi,bj :: Current tile indices
105     C kLev :: Current vertical level index
106     C myTime :: Current time in simulation
107     C myThid :: Thread Id number
108 adcroft 1.2 INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj
109 jmc 1.6 _RL myTime
110 adcroft 1.2 INTEGER myThid
111 jmc 1.6
112     C !LOCAL VARIABLES:
113 adcroft 1.2 C == Local variables ==
114 jmc 1.6 C i,j :: Loop counters
115     INTEGER i, j
116     CEOP
117     _RL recip_P0g, termP, kV, kF, sigma_b
118 adcroft 1.2
119     C-- Forcing term(s)
120 adcroft 1.3 kF=1. _d 0/86400. _d 0
121 jmc 1.5 sigma_b = 0.7 _d 0
122 jmc 1.6 DO j=1,sNy+1
123     c DO i=1,sNx
124     C-jmc: Without CD-scheme, this is OK ; but with CD-scheme, needs to cover [0:sNx+1]
125     DO i=0,sNx+1
126 jmc 1.5 IF ( hFacS(i,j,kLev,bi,bj) .GT. 0. ) THEN
127 jmc 1.6 recip_P0g=MAX(recip_Rcol(i,j,bi,bj),recip_Rcol(i,j-1,bi,bj))
128 jmc 1.5 termP=0.5 _d 0*( MIN(rF(kLev)*recip_P0g,1. _d 0)
129     & +rF(kLev+1)*recip_P0g )
130     c termP=0.5 _d 0*( rF(kLev) + rF(kLev+1) )*recip_P0g
131     kV=kF*MAX( 0. _d 0, (termP-sigma_b)/(1. _d 0-sigma_b) )
132 adcroft 1.2 gV(i,j,kLev,bi,bj)=gV(i,j,kLev,bi,bj)
133     & -kV*vVel(i,j,kLev,bi,bj)
134     ENDIF
135     ENDDO
136     ENDDO
137    
138     RETURN
139     END
140 jmc 1.6
141     C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
142     CBOP
143     C !ROUTINE: EXTERNAL_FORCING_T
144     C !INTERFACE:
145 adcroft 1.2 SUBROUTINE EXTERNAL_FORCING_T(
146 jmc 1.6 I iMin,iMax, jMin,jMax, bi,bj, kLev,
147     I myTime, myThid )
148     C !DESCRIPTION: \bv
149     C *==========================================================*
150     C | S/R EXTERNAL_FORCING_T
151     C | o Contains problem specific forcing for temperature.
152     C *==========================================================*
153     C | Adds terms to gT for forcing by external sources
154     C | e.g. heat flux, climatalogical relaxation, etc ...
155     C *==========================================================*
156     C \ev
157    
158     C !USES:
159 adcroft 1.2 IMPLICIT NONE
160     C == Global data ==
161     #include "SIZE.h"
162     #include "EEPARAMS.h"
163     #include "PARAMS.h"
164     #include "GRID.h"
165     #include "DYNVARS.h"
166     #include "FFIELDS.h"
167    
168 jmc 1.6 C !INPUT/OUTPUT PARAMETERS:
169 adcroft 1.2 C == Routine arguments ==
170 jmc 1.6 C iMin,iMax :: Working range of x-index for applying forcing.
171     C jMin,jMax :: Working range of y-index for applying forcing.
172     C bi,bj :: Current tile indices
173     C kLev :: Current vertical level index
174     C myTime :: Current time in simulation
175     C myThid :: Thread Id number
176 adcroft 1.2 INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj
177 jmc 1.6 _RL myTime
178 adcroft 1.2 INTEGER myThid
179    
180 jmc 1.6 C !LOCAL VARIABLES:
181 adcroft 1.2 C == Local variables ==
182 jmc 1.6 C i,j :: Loop counters
183     INTEGER i, j
184     CEOP
185 jmc 1.5 _RL thetaLim,kT,ka,ks,sigma_b,term1,term2,thetaEq,termP
186 adcroft 1.2
187     C-- Forcing term(s)
188 adcroft 1.3 ka=1. _d 0/(40. _d 0*86400. _d 0)
189     ks=1. _d 0/(4. _d 0 *86400. _d 0)
190 jmc 1.5 sigma_b = 0.7 _d 0
191 jmc 1.6 DO j=1,sNy
192     DO i=1,sNx
193     term1=60. _d 0*(SIN(yC(i,j,bi,bj)*deg2rad)**2)
194 jmc 1.5 termP=0.5 _d 0*( rF(kLev) + rF(kLev+1) )
195 jmc 1.6 term2=10. _d 0*LOG(termP/atm_po)
196     & *(COS(yC(i,j,bi,bj)*deg2rad)**2)
197 jmc 1.5 thetaLim = 200. _d 0/ ((termP/atm_po)**atm_kappa)
198     thetaEq=315. _d 0-term1-term2
199     thetaEq=MAX(thetaLim,thetaEq)
200 jmc 1.6 termP=0.5 _d 0*( MIN(rF(kLev),Ro_surf(i,j,bi,bj))+rF(kLev+1) )
201 jmc 1.5 kT=ka+(ks-ka)
202     & *MAX(0. _d 0,
203 jmc 1.6 & (termP*recip_Rcol(i,j,bi,bj)-sigma_b)/(1. _d 0-sigma_b) )
204     & *COS((yC(i,j,bi,bj)*deg2rad))**4
205 adcroft 1.2 gT(i,j,kLev,bi,bj)=gT(i,j,kLev,bi,bj)
206 jmc 1.6 & - kT*( theta(i,j,kLev,bi,bj)-thetaEq )
207 adcroft 1.2 & *maskC(i,j,kLev,bi,bj)
208     ENDDO
209     ENDDO
210    
211     RETURN
212     END
213 jmc 1.6
214     C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
215     CBOP
216     C !ROUTINE: EXTERNAL_FORCING_S
217     C !INTERFACE:
218 adcroft 1.2 SUBROUTINE EXTERNAL_FORCING_S(
219 jmc 1.6 I iMin,iMax, jMin,jMax, bi,bj, kLev,
220     I myTime, myThid )
221    
222     C !DESCRIPTION: \bv
223     C *==========================================================*
224     C | S/R EXTERNAL_FORCING_S
225     C | o Contains problem specific forcing for merid velocity.
226     C *==========================================================*
227     C | Adds terms to gS for forcing by external sources
228     C | e.g. fresh-water flux, climatalogical relaxation, etc ...
229     C *==========================================================*
230     C \ev
231    
232     C !USES:
233 adcroft 1.2 IMPLICIT NONE
234     C == Global data ==
235     #include "SIZE.h"
236     #include "EEPARAMS.h"
237     #include "PARAMS.h"
238     #include "GRID.h"
239     #include "DYNVARS.h"
240     #include "FFIELDS.h"
241    
242 jmc 1.6 C !INPUT/OUTPUT PARAMETERS:
243 adcroft 1.2 C == Routine arguments ==
244 jmc 1.6 C iMin,iMax :: Working range of x-index for applying forcing.
245     C jMin,jMax :: Working range of y-index for applying forcing.
246     C bi,bj :: Current tile indices
247     C kLev :: Current vertical level index
248     C myTime :: Current time in simulation
249     C myThid :: Thread Id number
250 adcroft 1.2 INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj
251 jmc 1.6 _RL myTime
252 adcroft 1.2 INTEGER myThid
253    
254 jmc 1.6 C !LOCAL VARIABLES:
255 adcroft 1.2 C == Local variables ==
256 jmc 1.6 C i,j :: Loop counters
257     c INTEGER i, j
258     CEOP
259 adcroft 1.2
260     C-- Forcing term(s)
261    
262     RETURN
263     END
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