/[MITgcm]/MITgcm/pkg/mom_fluxform/mom_u_adv_wu.F
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Contents of /MITgcm/pkg/mom_fluxform/mom_u_adv_wu.F

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Revision 1.6 - (show annotations) (download)
Sun Jan 26 21:18:50 2003 UTC (21 years, 3 months ago) by jmc
Branch: MAIN
CVS Tags: checkpoint50c_post, checkpoint48e_post, checkpoint50c_pre, checkpoint48i_post, checkpoint51, checkpoint50, checkpoint50d_post, checkpoint50b_pre, checkpoint51f_post, checkpoint48b_post, checkpoint51d_post, checkpoint48d_pre, checkpoint51j_post, checkpoint48d_post, checkpoint48f_post, checkpoint48h_post, checkpoint51b_pre, checkpoint51h_pre, checkpoint50f_post, checkpoint50a_post, checkpoint50f_pre, branchpoint-genmake2, checkpoint51b_post, checkpoint51c_post, checkpoint50g_post, checkpoint50h_post, checkpoint50e_pre, checkpoint50i_post, checkpoint51i_pre, checkpoint50e_post, checkpoint50d_pre, checkpoint51e_post, checkpoint49, checkpoint51f_pre, checkpoint48g_post, checkpoint51g_post, checkpoint50b_post, checkpoint51a_post
Branch point for: branch-genmake2
Changes since 1.5: +16 -41 lines
change vertical advection of momentum, now in 2 steps:
 1) compute vertical transport: new S/R mom_calc_rtrans.F
    that includes r* specific calculation.
 2) compute vertical advection of momentum using vertical transport.

1 C $Header: /u/gcmpack/MITgcm/pkg/mom_fluxform/mom_u_adv_wu.F,v 1.5 2003/01/24 17:15:59 jmc Exp $
2 C $Name: $
3
4 #include "CPP_OPTIONS.h"
5
6 CBOP
7 C !ROUTINE: MOM_U_ADV_WU
8
9 C !INTERFACE: ==========================================================
10 SUBROUTINE MOM_U_ADV_WU(
11 I bi,bj,k,
12 I uFld,wFld,rTrans,
13 O advectiveFluxWU,
14 I myThid)
15
16 C !DESCRIPTION:
17 C Calculates the vertical advective flux of zonal momentum:
18 C \begin{equation*}
19 C F^r = \overline{W}^i \overline{u}^{k}
20 C \end{equation*}
21
22 C !USES: ===============================================================
23 IMPLICIT NONE
24 #include "SIZE.h"
25 #include "EEPARAMS.h"
26 #include "PARAMS.h"
27 #include "GRID.h"
28
29 C !INPUT PARAMETERS: ===================================================
30 C bi,bj :: tile indices
31 C k :: vertical level
32 C uFld :: zonal velocity
33 C wFld :: vertical velocity
34 C rTrans :: vertical transport (above U point)
35 C myThid :: thread number
36 INTEGER bi,bj,k
37 _RL uFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
38 _RL wFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
39 _RL rTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
40 INTEGER myThid
41
42 C !OUTPUT PARAMETERS: ==================================================
43 C advectiveFluxWU :: advective flux
44 _RL advectiveFluxWU(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
45
46 C !LOCAL VARIABLES: ====================================================
47 C i,j :: loop indices
48 INTEGER I,J
49 CEOP
50 _RL tmpFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
51
52 IF ( k.EQ.Nr+1 .AND.
53 & useRealFreshWaterFlux .AND.
54 & buoyancyRelation .EQ. 'OCEANICP' ) THEN
55 DO j=1-Oly+1,sNy+Oly
56 DO i=1-Olx+1,sNx+Olx
57 advectiveFluxWU(i,j) = rTrans(i,j)*uFld(i,j,k-1,bi,bj)
58 ENDDO
59 ENDDO
60
61 ELSEIF ( k.GT.Nr .OR. (k.EQ.1.AND.rigidLid) ) THEN
62 C Advective flux = 0 at k=Nr+1 ; = 0 at k=1 if rigid-lid
63
64 DO j=1-Oly,sNy+Oly
65 DO i=1-Olx,sNx+Olx
66 advectiveFluxWU(i,j) = 0.
67 ENDDO
68 ENDDO
69
70 ELSEIF (k.EQ.1) THEN
71 C (linear) Free-surface correction at k=1
72
73 DO j=1-Oly+1,sNy+Oly
74 DO i=1-Olx+1,sNx+Olx
75 advectiveFluxWU(i,j) = rTrans(i,j)*uFld(i,j,k,bi,bj)
76 ENDDO
77 ENDDO
78
79 ELSE
80
81 C Vertical advection - interior ; assume uFld & wFld are masked
82 DO j=1-Oly+1,sNy+Oly
83 DO i=1-Olx+1,sNx+Olx
84 advectiveFluxWU(i,j) = rTrans(i,j)*
85 & 0.5 _d 0*( uFld(i,j,k,bi,bj)+uFld(i,j,k-1,bi,bj) )
86 ENDDO
87 ENDDO
88
89 IF ( select_rStar.EQ.0 .AND. .NOT.rigidLid ) THEN
90 C (linear) Free-surface correction at k>1
91 DO j=1-Oly+1,sNy+Oly
92 DO i=1-Olx+1,sNx+Olx
93 advectiveFluxWU(i,j) = advectiveFluxWU(i,j)
94 & +0.25*(
95 & wFld(i, j ,k,bi,bj)*rA(i, j ,bi,bj)*
96 & (maskC(i,j,k,bi,bj) - maskC(i,j,k-1,bi,bj))
97 & +wFld(i-1,j,k,bi,bj)*rA(i-1,j,bi,bj)*
98 & (maskC(i-1,j,k,bi,bj)-maskC(i-1,j,k-1,bi,bj))
99 & )*uFld(i,j,k,bi,bj)
100 ENDDO
101 ENDDO
102 C- endif NOT rigidLid
103 ENDIF
104
105 ENDIF
106
107 RETURN
108 END

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