/[MITgcm]/MITgcm/model/src/integrate_for_w.F
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Revision 1.7 - (hide annotations) (download)
Wed Sep 26 18:09:16 2001 UTC (22 years, 8 months ago) by cnh
Branch: MAIN
CVS Tags: checkpoint44e_post, checkpoint46g_pre, release1_p13_pre, checkpoint46f_post, checkpoint44f_post, checkpoint46b_post, checkpoint43a-release1mods, release1_p13, chkpt44d_post, release1_p8, release1_p9, release1_p1, release1_p2, release1_p3, release1_p4, release1_p5, release1_p6, release1_p7, checkpoint44e_pre, release1_b1, checkpoint43, release1_chkpt44d_post, release1_p11, icebear5, icebear4, icebear3, icebear2, checkpoint46d_pre, release1-branch_tutorials, checkpoint45d_post, checkpoint46j_pre, chkpt44a_post, checkpoint44h_pre, checkpoint46a_post, chkpt44c_pre, checkpoint45a_post, ecco_c44_e19, ecco_c44_e18, ecco_c44_e17, ecco_c44_e16, release1_p12, release1_p10, release1_p16, release1_p17, release1_p14, release1_p15, checkpoint44g_post, checkpoint46e_pre, checkpoint45b_post, checkpoint46b_pre, release1-branch-end, release1_final_v1, checkpoint46c_pre, checkpoint46, checkpoint44b_post, checkpoint46h_pre, checkpoint46a_pre, checkpoint45c_post, ecco_ice2, ecco_ice1, checkpoint44h_post, checkpoint46g_post, release1_p12_pre, ecco_c44_e22, ecco_c44_e25, chkpt44a_pre, checkpoint46i_post, ecco_c44_e23, ecco_c44_e20, ecco_c44_e21, ecco_c44_e26, ecco_c44_e27, ecco_c44_e24, checkpoint46c_post, ecco-branch-mod1, ecco-branch-mod2, ecco-branch-mod3, ecco-branch-mod4, ecco-branch-mod5, checkpoint46e_post, release1_beta1, checkpoint44b_pre, checkpoint42, checkpoint41, checkpoint44, checkpoint45, checkpoint46h_post, chkpt44c_post, checkpoint44f_pre, checkpoint46d_post, release1-branch_branchpoint
Branch point for: c24_e25_ice, release1_final, release1-branch, release1, ecco-branch, release1_50yr, icebear, release1_coupled
Changes since 1.6: +18 -15 lines 
Bringing comments up to data and formatting for document extraction.
1 cnh 1.7 C $Header: /u/gcmpack/models/MITgcmUV/model/src/integrate_for_w.F,v 1.6 2001/05/29 14:01:37 adcroft Exp $
2 cnh 1.4 C $Name: $
3 adcroft 1.2
4     #include "CPP_OPTIONS.h"
5    
6 cnh 1.7 CBOP
7     C !ROUTINE: INTEGRATE_FOR_W
8     C !INTERFACE:
9 adcroft 1.2 SUBROUTINE INTEGRATE_FOR_W(
10     I bi,bj,k,uFld,vFld,
11     O wFld,
12     I myThid)
13    
14 cnh 1.7 C !DESCRIPTION: \bv
15     C *==========================================================*
16     C | SUBROUTINE CALC_COMMON_FACTORS
17     C | o Integrate for vertical velocity.
18     C *==========================================================*
19     C \ev
20    
21     C !USES:
22 adcroft 1.2 IMPLICIT NONE
23     C == GLobal variables ==
24     #include "SIZE.h"
25     #include "EEPARAMS.h"
26     #include "PARAMS.h"
27     #include "GRID.h"
28    
29 cnh 1.7 C !INPUT/OUTPUT PARAMETERS:
30 adcroft 1.2 C == Routine arguments ==
31 cnh 1.7 C uFld, vFld :: Zonal and meridional flow
32     C wFld :: Vertical flow
33 adcroft 1.2 INTEGER bi,bj,k
34     _RL uFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
35     _RL vFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
36     _RL wFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
37     INTEGER myThid
38    
39 cnh 1.7 C !LOCAL VARIABLES:
40 adcroft 1.2 C == Local variables ==
41 cnh 1.7 C uTrans, vTrans :: Temps. for volume transports
42 adcroft 1.2 INTEGER i,j
43     _RL uTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
44     _RL vTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
45 cnh 1.7 CEOP
46 adcroft 1.2
47     C-- Calculate velocity field "volume transports" through
48     C tracer cell faces.
49     DO j=1-Oly,sNy+Oly
50     DO i=1-Olx,sNx+Olx
51     uTrans(i,j) = uFld(i,j,k,bi,bj)*
52     & _dyG(i,j,bi,bj)
53     & *drF(k)*_hFacW(i,j,k,bi,bj)
54     vTrans(i,j) = vFld(i,j,k,bi,bj)*
55     & _dxG(i,j,bi,bj)
56     & *drF(k)*_hFacS(i,j,k,bi,bj)
57     ENDDO
58     ENDDO
59    
60 adcroft 1.6 C-- Calculate vertical "volume transport" through face k
61     C between tracer cell k-1 & k
62     IF (rigidLid) THEN
63     C- o Rigid-Lid case: zero at lower and upper boundaries
64     IF (k.eq.1) THEN
65     DO j=1-Oly,sNy+Oly-1
66     DO i=1-Olx,sNx+Olx-1
67     wFld(i,j,k,bi,bj) = 0.
68     ENDDO
69 adcroft 1.2 ENDDO
70 adcroft 1.6 ELSEIF (k.eq.Nr) THEN
71     DO j=1-Oly,sNy+Oly-1
72     DO i=1-Olx,sNx+Olx-1
73     wFld(i,j,k,bi,bj) =
74     & -( uTrans(i+1,j)-uTrans(i,j)
75     & +vTrans(i,j+1)-vTrans(i,j)
76     & )*recip_rA(i,j,bi,bj)
77     & *maskC(i,j,k,bi,bj)*maskC(i,j,k-1,bi,bj)
78     ENDDO
79     ENDDO
80     ELSE
81     DO j=1-Oly,sNy+Oly-1
82     DO i=1-Olx,sNx+Olx-1
83     wFld(i,j,k,bi,bj) =
84     & ( wFld(i,j,k+1,bi,bj)
85     & -( uTrans(i+1,j)-uTrans(i,j)
86     & +vTrans(i,j+1)-vTrans(i,j)
87     & )*recip_rA(i,j,bi,bj)
88     & )*maskC(i,j,k,bi,bj)*maskC(i,j,k-1,bi,bj)
89     ENDDO
90 adcroft 1.2 ENDDO
91 adcroft 1.6 ENDIF
92 adcroft 1.2 ELSE
93 adcroft 1.6 C- o Linear Free Surface case:
94     C non zero at surface ; zero under-ground and at r_lower boundary
95     IF (k.eq.Nr) THEN
96     DO j=1-Oly,sNy+Oly-1
97     DO i=1-Olx,sNx+Olx-1
98     wFld(i,j,k,bi,bj) =
99     & -( uTrans(i+1,j)-uTrans(i,j)
100     & +vTrans(i,j+1)-vTrans(i,j)
101     & )*recip_rA(i,j,bi,bj)
102     & *maskC(i,j,k,bi,bj)
103     ENDDO
104 adcroft 1.2 ENDDO
105 adcroft 1.6 ELSE
106     DO j=1-Oly,sNy+Oly-1
107     DO i=1-Olx,sNx+Olx-1
108     wFld(i,j,k,bi,bj) =
109     & ( wFld(i,j,k+1,bi,bj)
110     & -( uTrans(i+1,j)-uTrans(i,j)
111     & +vTrans(i,j+1)-vTrans(i,j)
112     & )*recip_rA(i,j,bi,bj)
113     & )*maskC(i,j,k,bi,bj)
114     ENDDO
115     ENDDO
116     ENDIF
117     C- endif - rigid-lid / linear Free-Surf.
118 adcroft 1.2 ENDIF
119    
120     RETURN
121     END
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