/[MITgcm]/MITgcm/verification/hs94.cs-32x32x5/code/external_forcing.F
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Revision 1.5 - (hide annotations) (download)
Fri Jul 6 22:13:37 2001 UTC (22 years, 10 months ago) by jmc
Branch: MAIN
CVS Tags: checkpoint46n_post, checkpoint51k_post, checkpoint47e_post, checkpoint52l_pre, checkpoint46l_post, checkpoint57g_pre, checkpoint46g_pre, checkpoint47c_post, release1_p13_pre, checkpoint50c_post, checkpoint57b_post, checkpoint46f_post, checkpoint57g_post, checkpoint48e_post, checkpoint56b_post, checkpoint50g_post, checkpoint46b_post, checkpoint52j_pre, checkpoint43a-release1mods, checkpoint51o_pre, checkpoint44g_post, checkpoint54d_post, checkpoint48c_post, checkpoint54e_post, release1_p13, checkpoint40pre3, checkpoint51l_post, checkpoint40pre7, checkpoint40pre6, checkpoint48i_post, checkpoint40pre9, checkpoint40pre8, checkpoint46l_pre, checkpoint57d_post, checkpoint57i_post, checkpoint50d_pre, checkpoint52k_post, chkpt44d_post, checkpoint55, checkpoint54, checkpoint57, checkpoint56, checkpoint51, checkpoint53, checkpoint52, release1_p8, release1_p9, checkpoint50d_post, release1_p1, release1_p2, release1_p3, release1_p4, release1_p5, release1_p6, release1_p7, checkpoint52f_post, checkpoint50b_pre, checkpoint44e_pre, checkpoint54f_post, checkpoint51f_post, release1_b1, checkpoint48b_post, checkpoint43, checkpoint51d_post, checkpoint48c_pre, checkpoint55a_post, checkpoint51t_post, checkpoint51n_post, release1_chkpt44d_post, checkpoint55i_post, checkpoint57l_post, checkpoint52i_pre, checkpoint51s_post, checkpoint55c_post, checkpoint48d_pre, checkpoint51j_post, checkpoint47i_post, checkpoint52e_pre, checkpoint57f_post, checkpoint52e_post, checkpoint51n_pre, checkpoint47d_post, checkpoint53d_post, checkpoint46d_pre, checkpoint40pre2, checkpoint57a_post, checkpoint48d_post, release1-branch_tutorials, checkpoint57h_pre, checkpoint48f_post, checkpoint45d_post, checkpoint52b_pre, checkpoint54b_post, checkpoint46j_pre, checkpoint57h_post, checkpoint51l_pre, checkpoint52m_post, chkpt44a_post, checkpoint55g_post, checkpoint44h_pre, checkpoint48h_post, checkpoint51q_post, checkpoint40pre4, checkpoint51b_pre, checkpoint46a_post, checkpoint47g_post, checkpoint52b_post, checkpoint52c_post, checkpoint46j_post, checkpoint51h_pre, checkpoint46k_post, checkpoint46b_pre, chkpt44c_pre, checkpoint52h_pre, checkpoint45a_post, checkpoint57c_post, checkpoint50f_post, checkpoint50a_post, checkpoint50f_pre, checkpoint52f_pre, checkpoint55d_post, checkpoint44e_post, release1_p12, release1_p10, release1_p11, release1_p16, release1_p17, release1_p14, release1_p15, checkpoint47j_post, checkpoint54a_pre, checkpoint47a_post, checkpoint53c_post, checkpoint55d_pre, checkpoint57c_pre, checkpoint55j_post, branch-exfmods-tag, branchpoint-genmake2, checkpoint54a_post, checkpoint46e_pre, checkpoint55h_post, checkpoint51r_post, checkpoint45b_post, checkpoint51i_post, checkpoint57e_post, release1-branch-end, release1_final_v1, checkpoint55b_post, checkpoint51b_post, release1_p12_pre, checkpoint46c_pre, checkpoint53a_post, checkpoint46, checkpoint44f_post, checkpoint47b_post, checkpoint44b_post, checkpoint55f_post, checkpoint46h_pre, checkpoint52d_post, checkpoint53g_post, checkpoint46m_post, checkpoint46a_pre, checkpoint50c_pre, checkpoint45c_post, checkpoint44h_post, eckpoint57e_pre, checkpoint46g_post, checkpoint51c_post, checkpoint52a_pre, checkpoint50h_post, checkpoint52i_post, checkpoint50e_pre, checkpoint50i_post, checkpoint51i_pre, checkpoint48a_post, checkpoint56a_post, checkpoint53f_post, checkpoint40pre5, checkpoint57h_done, checkpoint52j_post, checkpoint47f_post, checkpoint50e_post, chkpt44a_pre, checkpoint46i_post, checkpoint57j_post, checkpoint57f_pre, checkpoint46c_post, branch-netcdf, checkpoint52l_post, checkpoint52n_post, checkpoint53b_pre, checkpoint46e_post, release1_beta1, checkpoint56c_post, checkpoint51e_post, checkpoint44b_pre, checkpoint42, checkpoint57a_pre, checkpoint40, checkpoint41, checkpoint47d_pre, checkpoint47, checkpoint44, checkpoint45, checkpoint48, checkpoint49, checkpoint46h_post, checkpoint51o_post, checkpoint50, checkpoint57k_post, checkpoint51f_pre, chkpt44c_post, checkpoint53b_post, checkpoint47h_post, checkpoint52a_post, checkpoint44f_pre, checkpoint51g_post, ecco_c52_e35, checkpoint46d_post, checkpoint50b_post, release1-branch_branchpoint, checkpoint51m_post, checkpoint53d_pre, checkpoint55e_post, checkpoint54c_post, checkpoint51a_post, checkpoint51p_post, checkpoint48g_post, checkpoint51u_post
Branch point for: branch-exfmods-curt, release1_coupled, release1_final, release1-branch, branch-genmake2, release1, branch-nonh, tg2-branch, release1_50yr, netcdf-sm0, checkpoint51n_branch
Changes since 1.4: +39 -33 lines 
fixed a Pb in kV with non flat topography ;
use the (standard) atmospheric constants (in PARAMS.h)
1 jmc 1.5 C $Header: /u/gcmpack/models/MITgcmUV/verification/hs94.cs-32x32x5/code/external_forcing.F,v 1.4 2001/06/06 20:31:48 adcroft Exp $
2 adcroft 1.3 C $Name: $
3 adcroft 1.2
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 jmc 1.5 _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     c DO J=jMin,jMax
55     c DO I=iMin,iMax
56     DO J=1,sNy
57     DO I=1,sNx+1
58     IF ( hFacW(i,j,kLev,bi,bj) .GT. 0. ) THEN
59     recip_P0g=MAX(recip_Rcol(I,J,bi,bj),recip_Rcol(I-1,J,bi,bj))
60     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     & -kV*uVel(i,j,kLev,bi,bj)
66     ENDIF
67     ENDDO
68     ENDDO
69    
70     RETURN
71     END
72     CStartOfInterface
73     SUBROUTINE EXTERNAL_FORCING_V(
74     I iMin, iMax, jMin, jMax,bi,bj,kLev,
75     I myCurrentTime,myThid)
76     C /==========================================================\
77     C | S/R EXTERNAL_FORCING_V |
78     C | o Contains problem specific forcing for merid velocity. |
79     C |==========================================================|
80     C | Adds terms to gV for forcing by external sources |
81     C | e.g. wind stress, bottom friction etc.................. |
82     C \==========================================================/
83     IMPLICIT NONE
84    
85     C == Global data ==
86     #include "SIZE.h"
87     #include "EEPARAMS.h"
88     #include "PARAMS.h"
89     #include "GRID.h"
90     #include "DYNVARS.h"
91     #include "FFIELDS.h"
92    
93    
94     C == Routine arguments ==
95     C iMin - Working range of tile for applying forcing.
96     C iMax
97     C jMin
98     C jMax
99     C kLev
100     INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj
101     _RL myCurrentTime
102     INTEGER myThid
103     CEndOfInterface
104     C == Local variables ==
105     C Loop counters
106     INTEGER I, J
107     C _RL uKf
108     C _RL levelOfGround
109     C _RL criticalLevel
110     C _RL levelOfVelPoint
111     C _RL dist1
112     C _RL dist2
113     C _RL decayFac
114     C _RL velDragHeightFac
115 jmc 1.5 _RL recip_P0g,termP,kV,kF,sigma_b
116 adcroft 1.2
117     C-- Forcing term(s)
118 adcroft 1.3 kF=1. _d 0/86400. _d 0
119 jmc 1.5 sigma_b = 0.7 _d 0
120     c DO J=jMin,jMax
121     c DO I=iMin,iMax
122     DO J=1,sNy+1
123     DO I=1,sNx
124     IF ( hFacS(i,j,kLev,bi,bj) .GT. 0. ) THEN
125     recip_P0g=MAX(recip_Rcol(I,J,bi,bj),recip_Rcol(I,J-1,bi,bj))
126     termP=0.5 _d 0*( MIN(rF(kLev)*recip_P0g,1. _d 0)
127     & +rF(kLev+1)*recip_P0g )
128     c termP=0.5 _d 0*( rF(kLev) + rF(kLev+1) )*recip_P0g
129     kV=kF*MAX( 0. _d 0, (termP-sigma_b)/(1. _d 0-sigma_b) )
130 adcroft 1.2 gV(i,j,kLev,bi,bj)=gV(i,j,kLev,bi,bj)
131     & -kV*vVel(i,j,kLev,bi,bj)
132     ENDIF
133     ENDDO
134     ENDDO
135    
136     RETURN
137     END
138     CStartOfInterface
139     SUBROUTINE EXTERNAL_FORCING_T(
140     I iMin, iMax, jMin, jMax,bi,bj,kLev,
141     I myCurrentTime,myThid)
142     C /==========================================================\
143     C | S/R EXTERNAL_FORCING_T |
144     C | o Contains problem specific forcing for temperature. |
145     C |==========================================================|
146     C | Adds terms to gT for forcing by external sources |
147     C | e.g. heat flux, climatalogical relaxation.............. |
148     C \==========================================================/
149     IMPLICIT NONE
150    
151     C == Global data ==
152     #include "SIZE.h"
153     #include "EEPARAMS.h"
154     #include "PARAMS.h"
155     #include "GRID.h"
156     #include "DYNVARS.h"
157     #include "FFIELDS.h"
158    
159     C == Routine arguments ==
160     C iMin - Working range of tile for applying forcing.
161     C iMax
162     C jMin
163     C jMax
164     C kLev
165     INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj
166     _RL myCurrentTime
167     INTEGER myThid
168     CEndOfInterface
169    
170     C == Local variables ==
171     C Loop counters
172     INTEGER I, J
173 jmc 1.5 _RL thetaLim,kT,ka,ks,sigma_b,term1,term2,thetaEq,termP
174 adcroft 1.2
175     C-- Forcing term(s)
176 adcroft 1.3 ka=1. _d 0/(40. _d 0*86400. _d 0)
177     ks=1. _d 0/(4. _d 0 *86400. _d 0)
178 jmc 1.5 sigma_b = 0.7 _d 0
179 adcroft 1.2 DO J=jMin,jMax
180     DO I=iMin,iMax
181 jmc 1.5 term1=60. _d 0*(sin(yC(I,J,bi,bj)*deg2rad)**2)
182     termP=0.5 _d 0*( rF(kLev) + rF(kLev+1) )
183     term2=10. _d 0*log(termP/atm_po)
184     & *(cos(yC(I,J,bi,bj)*deg2rad)**2)
185     thetaLim = 200. _d 0/ ((termP/atm_po)**atm_kappa)
186     thetaEq=315. _d 0-term1-term2
187     thetaEq=MAX(thetaLim,thetaEq)
188     termP=0.5 _d 0*( MIN(rF(kLev),Ro_surf(I,J,bi,bj))+rF(kLev+1) )
189     kT=ka+(ks-ka)
190     & *MAX(0. _d 0,
191     & (termP*recip_Rcol(I,J,bi,bj)-sigma_b)/(1. _d 0-sigma_b) )
192     & *COS((yC(I,J,bi,bj)*deg2rad))**4
193 adcroft 1.2 gT(i,j,kLev,bi,bj)=gT(i,j,kLev,bi,bj)
194     & - kT*( theta(I,J,kLev,bi,bj)-thetaEq )
195     & *maskC(i,j,kLev,bi,bj)
196     ENDDO
197     ENDDO
198    
199     RETURN
200     END
201     CStartOfInterface
202     SUBROUTINE EXTERNAL_FORCING_S(
203     I iMin, iMax, jMin, jMax,bi,bj,kLev,
204     I myCurrentTime,myThid)
205     C /==========================================================\
206     C | S/R EXTERNAL_FORCING_S |
207     C | o Contains problem specific forcing for merid velocity. |
208     C |==========================================================|
209     C | Adds terms to gS for forcing by external sources |
210     C | e.g. fresh-water flux, climatalogical relaxation....... |
211     C \==========================================================/
212     IMPLICIT NONE
213    
214     C == Global data ==
215     #include "SIZE.h"
216     #include "EEPARAMS.h"
217     #include "PARAMS.h"
218     #include "GRID.h"
219     #include "DYNVARS.h"
220     #include "FFIELDS.h"
221    
222     C == Routine arguments ==
223     C iMin - Working range of tile for applying forcing.
224     C iMax
225     C jMin
226     C jMax
227     C kLev
228     INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj
229     _RL myCurrentTime
230     INTEGER myThid
231     CEndOfInterface
232    
233     C == Local variables ==
234     C Loop counters
235     INTEGER I, J
236    
237     C-- Forcing term(s)
238    
239     RETURN
240     END
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