/[MITgcm]/MITgcm/model/src/grad_sigma.F
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Contents of /MITgcm/model/src/grad_sigma.F

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Revision 1.3 - (show annotations) (download)
Wed Sep 26 18:09:15 2001 UTC (22 years, 8 months ago) by cnh
Branch: MAIN
CVS Tags: checkpoint46n_post, checkpoint51k_post, checkpoint47e_post, checkpoint52l_pre, checkpoint44e_post, hrcube4, hrcube5, checkpoint46l_post, checkpoint46g_pre, checkpoint47c_post, release1_p13_pre, checkpoint50c_post, checkpoint46f_post, checkpoint52d_pre, checkpoint48e_post, checkpoint50c_pre, checkpoint44f_post, checkpoint46b_post, checkpoint52j_pre, checkpoint43a-release1mods, checkpoint51o_pre, checkpoint54d_post, checkpoint54e_post, ecco_c50_e32, ecco_c50_e33, ecco_c50_e30, ecco_c50_e31, release1_p13, checkpoint51l_post, checkpoint48i_post, checkpoint46l_pre, checkpoint52l_post, checkpoint52k_post, chkpt44d_post, checkpoint55, checkpoint54, checkpoint56, checkpoint51, checkpoint50, 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, ecco_c51_e34d, ecco_c51_e34e, ecco_c51_e34f, ecco_c51_e34g, ecco_c51_e34a, ecco_c51_e34b, ecco_c51_e34c, checkpoint48b_post, checkpoint43, checkpoint51d_post, checkpoint48c_pre, checkpoint47d_pre, checkpoint51t_post, checkpoint51n_post, release1_chkpt44d_post, checkpoint55i_post, checkpoint52i_pre, hrcube_1, hrcube_2, hrcube_3, checkpoint51s_post, checkpoint47a_post, checkpoint55c_post, checkpoint48d_pre, checkpoint51j_post, checkpoint47i_post, checkpoint52e_pre, release1_p11, checkpoint52e_post, checkpoint51n_pre, checkpoint47d_post, icebear5, icebear4, icebear3, icebear2, checkpoint53d_post, checkpoint46d_pre, checkpoint48d_post, release1-branch_tutorials, checkpoint48f_post, checkpoint45d_post, checkpoint52b_pre, checkpoint54b_post, checkpoint46j_pre, checkpoint51l_pre, checkpoint52m_post, chkpt44a_post, checkpoint55g_post, checkpoint44h_pre, checkpoint48h_post, checkpoint51q_post, ecco_c50_e29, checkpoint51b_pre, checkpoint46a_post, checkpoint47g_post, checkpoint52b_post, checkpoint52c_post, checkpoint46j_post, checkpoint51h_pre, checkpoint46k_post, ecco_c50_e28, chkpt44c_pre, checkpoint48a_post, checkpoint45a_post, checkpoint50f_post, checkpoint50a_post, checkpoint50f_pre, checkpoint52f_pre, checkpoint55d_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, checkpoint47j_post, checkpoint54a_pre, ecco_c50_e33a, checkpoint53c_post, checkpoint55d_pre, checkpoint55j_post, branch-exfmods-tag, checkpoint44g_post, branchpoint-genmake2, checkpoint54a_post, checkpoint46e_pre, checkpoint55h_post, checkpoint51r_post, checkpoint48c_post, checkpoint45b_post, checkpoint46b_pre, checkpoint51i_post, release1-branch-end, release1_final_v1, checkpoint55b_post, checkpoint51b_post, checkpoint51c_post, checkpoint46c_pre, checkpoint53a_post, checkpoint46, checkpoint47b_post, checkpoint44b_post, checkpoint55f_post, ecco_c51_e34, checkpoint46h_pre, checkpoint52d_post, checkpoint53g_post, checkpoint46m_post, checkpoint46a_pre, checkpoint50g_post, checkpoint45c_post, ecco_ice2, ecco_ice1, checkpoint44h_post, checkpoint46g_post, release1_p12_pre, checkpoint52a_pre, ecco_c44_e22, checkpoint50h_post, checkpoint52i_post, checkpoint50e_pre, checkpoint50i_post, ecco_c44_e25, checkpoint51i_pre, checkpoint52h_pre, checkpoint53f_post, checkpoint52j_post, checkpoint47f_post, checkpoint50e_post, 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, branch-netcdf, checkpoint50d_pre, checkpoint52n_post, checkpoint53b_pre, checkpoint46e_post, release1_beta1, checkpoint51e_post, checkpoint44b_pre, checkpoint42, checkpoint41, checkpoint55a_post, checkpoint47, checkpoint44, checkpoint45, checkpoint48, checkpoint49, checkpoint46h_post, checkpoint51o_post, checkpoint51f_pre, chkpt44c_post, checkpoint48g_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, checkpoint51u_post
Branch point for: c24_e25_ice, branch-exfmods-curt, release1_final, release1-branch, branch-genmake2, release1, branch-nonh, tg2-branch, ecco-branch, release1_50yr, netcdf-sm0, icebear, checkpoint51n_branch, release1_coupled
Changes since 1.2: +16 -9 lines 
Bringing comments up to data and formatting for document extraction.
1 C $Header: /home/ubuntu/mnt/e9_copy/MITgcm/model/src/grad_sigma.F,v 1.3 2001/09/26 18:09:15 cnh Exp $
2 C $Name: $
3
4 #include "CPP_OPTIONS.h"
5
6 CBOP
7 C !ROUTINE: GRAD_SIGMA
8 C !INTERFACE:
9 SUBROUTINE GRAD_SIGMA(
10 I bi, bj, iMin, iMax, jMin, jMax, K,
11 I rhoK, sigKm1, sigKp1,
12 O sigmaX, sigmaY, sigmaR,
13 I myThid )
14 C !DESCRIPTION: \bv
15 C *==========================================================*
16 C | SUBROUTINE CALC_ISOSLOPES
17 C | o Calculate isoneutral gradients
18 C *==========================================================*
19 C \ev
20
21 C !USES:
22 IMPLICIT NONE
23 C == Global variables ==
24 #include "SIZE.h"
25 #include "GRID.h"
26 #include "EEPARAMS.h"
27 #include "PARAMS.h"
28
29 C !INPUT/OUTPUT PARAMETERS:
30 C == Routine arguments ==
31 INTEGER bi,bj,iMin,iMax,jMin,jMax,K
32 _RL rhoK(1-Olx:sNx+Olx,1-Oly:sNy+Oly)
33 _RL sigKm1(1-Olx:sNx+Olx,1-Oly:sNy+Oly)
34 _RL sigKp1(1-Olx:sNx+Olx,1-Oly:sNy+Oly)
35 _RL sigmaX(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr)
36 _RL sigmaY(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr)
37 _RL sigmaR(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr)
38 INTEGER myThid
39
40 C !LOCAL VARIABLES:
41 C == Local variables ==
42 INTEGER i,j
43 CEOP
44
45 DO j=1-Oly,sNy+Oly
46 DO i=1-Olx+1,sNx+Olx
47 sigmaX(i,j,k)=_maskW(i,j,k,bi,bj)
48 & *_recip_dxC(i,j,bi,bj)
49 & *(rhoK(i,j)-rhoK(i-1,j))
50 ENDDO
51 ENDDO
52
53 DO j=1-Oly+1,sNy+Oly
54 DO i=1-Olx,sNx+Olx
55 sigmaY(i,j,k)=_maskS(i,j,k,bi,bj)
56 & *_recip_dyC(i,j,bi,bj)
57 & *(rhoK(i,j)-rhoK(i,j-1))
58 ENDDO
59 ENDDO
60
61 DO j=1-Oly,sNy+Oly
62 DO i=1-Olx,sNx+Olx
63 IF (K.NE.1 .AND. hfacC(i,j,k,bi,bj).NE.0.) THEN
64 sigmaR(i,j,k)=recip_drC(k)*rkFac*(sigKm1(i,j)-sigKp1(i,j))
65 ELSE
66 sigmaR(i,j,k)=0.
67 ENDIF
68 ENDDO
69 ENDDO
70
71 RETURN
72 END
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