model/src/calc_grad_phi_hyd.F

C $Header: /u/gcmpack/MITgcm/model/src/calc_grad_phi_hyd.F,v 1.13 2010/09/10 17:23:17 jmc Exp $
C $Name:  $

#include "CPP_OPTIONS.h"

CBOP
C     !ROUTINE: CALC_GRAD_PHI_HYD
C     !INTERFACE:
      SUBROUTINE CALC_GRAD_PHI_HYD(
     I                       k, bi, bj, iMin,iMax, jMin,jMax,
     I                       phiHydC, alphRho, tFld, sFld,
     O                       dPhiHydX, dPhiHydY,
     I                       myTime, myIter, myThid)
C     !DESCRIPTION: \bv
C     *==========================================================*
C     | S/R CALC_GRAD_PHI_HYD
C     | o Calculate the gradient of Hydrostatic potential anomaly
C     *==========================================================*
C     \ev

C     !USES:
      IMPLICIT NONE
C     == Global variables ==
#include "SIZE.h"
#include "EEPARAMS.h"
#include "PARAMS.h"
#include "GRID.h"
#include "SURFACE.h"
#include "DYNVARS.h"

C     !INPUT/OUTPUT PARAMETERS:
C     == Routine Arguments ==
C     bi,bj      :: tile index
C     iMin,iMax,jMin,jMax :: Loop counters
C     phiHydC    :: Hydrostatic Potential anomaly
C                  (atmos: =Geopotential ; ocean-z: =Pressure/rho)
C     alphRho    :: Density (z-coord) or specific volume (p-coord)
C     tFld       :: Potential temp.
C     sFld       :: Salinity
C     dPhiHydX,Y :: Gradient (X & Y directions) of Hyd. Potential
C     myTime :: Current time
C     myIter :: Current iteration number
C     myThid :: Instance number for this call of the routine.
      INTEGER k, bi,bj, iMin,iMax, jMin,jMax
      _RL phiHydC(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
      _RL alphRho(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
      _RL tFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
      _RL sFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
      _RL dPhiHydX(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
      _RL dPhiHydY(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
      _RL myTime
      INTEGER myIter, myThid

#ifdef INCLUDE_PHIHYD_CALCULATION_CODE

C     !LOCAL VARIABLES:
C     == Local variables ==
C     i,j :: Loop counters
      INTEGER i,j
      _RL varLoc(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
#ifdef NONLIN_FRSURF
      _RL factorZ, factorP, conv_theta2T
      _RL factPI
      CHARACTER*(MAX_LEN_MBUF) msgBuf
#endif
CEOP

#ifdef NONLIN_FRSURF
      IF (select_rStar.GE.2 .AND. nonlinFreeSurf.GE.4 ) THEN
# ifndef DISABLE_RSTAR_CODE
C-    Integral of b.dr = rStarFac * Integral of b.dr* :
C      and will add later (select_rStar=2) the contribution of
C      the slope of the r* coordinate.
       IF ( buoyancyRelation .EQ. 'ATMOSPHERIC' ) THEN
C-     Consistent with Phi'= Integr[ theta'.dPi ] :
        DO j=jMin,jMax
         DO i=iMin,iMax
          varLoc(i,j) = phiHydC(i,j)*rStarFacC(i,j,bi,bj)**atm_kappa
     &                + phi0surf(i,j,bi,bj)
         ENDDO
        ENDDO
       ELSE
        DO j=jMin,jMax
         DO i=iMin,iMax
          varLoc(i,j) = phiHydC(i,j)*rStarFacC(i,j,bi,bj)
     &                + phi0surf(i,j,bi,bj)
         ENDDO
        ENDDO
       ENDIF
      ELSEIF (select_rStar.GE.1 .AND. nonlinFreeSurf.GE.4 ) THEN
C-    Integral of b.dr but scaled to correspond to a fixed r-level (=r*)
C      no contribution of the slope of the r* coordinate (select_rStar=1)
       IF ( buoyancyRelation .EQ. 'ATMOSPHERIC' ) THEN
C-     Consistent with Phi'= Integr[ theta'.dPi ] :
        DO j=jMin,jMax
         DO i=iMin,iMax
          IF (Ro_surf(i,j,bi,bj).EQ.rC(k)) THEN
           factPI=atm_Cp*( ((etaH(i,j,bi,bj)+rC(k))/atm_Po)**atm_kappa
     &                    -(                 rC(k) /atm_Po)**atm_kappa
     &                  )
           varLoc(i,j) = factPI*alphRho(i,j)
     &                 + phi0surf(i,j,bi,bj)
          ELSEIF (Ro_surf(i,j,bi,bj).NE.0. _d 0) THEN
           factPI = (rC(k)/Ro_surf(i,j,bi,bj))**atm_kappa
           varLoc(i,j) = phiHydC(i,j)
     &                  *(rStarFacC(i,j,bi,bj)**atm_kappa - factPI)
     &                  /(1. _d 0 -factPI)
     &                 + phi0surf(i,j,bi,bj)
          ENDIF
         ENDDO
        ENDDO
       ELSE
        DO j=jMin,jMax
         DO i=iMin,iMax
          IF (Ro_surf(i,j,bi,bj).EQ.rC(k)) THEN
           WRITE(msgBuf,'(3A)') 'CALC_GRAD_PHI_HYD: ',
     &      'Problem when Ro_surf=rC',
     &      ' with select_rStar,integr_GeoPot=1,4'
           CALL PRINT_ERROR( msgBuf , myThid)
           STOP 'CALC_GRAD_PHI_HYD: Pb in r* options implementation'
          ELSE
           varLoc(i,j) = phiHydC(i,j)
     &                  *(etaH(i,j,bi,bj)+Ro_surf(i,j,bi,bj)-rC(k))
     &                  /                (Ro_surf(i,j,bi,bj)-rC(k))
     &                 + phi0surf(i,j,bi,bj)
          ENDIF
         ENDDO
        ENDDO
       ENDIF
# endif /* DISABLE_RSTAR_CODE */
      ELSE
#else /* NONLIN_FRSURF */
      IF (.TRUE.) THEN
#endif /* NONLIN_FRSURF */
       DO j=jMin,jMax
        DO i=iMin,iMax
         varLoc(i,j) = phiHydC(i,j)+phi0surf(i,j,bi,bj)
        ENDDO
       ENDDO
      ENDIF

C--   Zonal & Meridional gradient of potential anomaly
      DO j=1-OLy,sNy+OLy
       DO i=1-OLx,sNx+OLx
        dPhiHydX(i,j)  = 0. _d 0
        dPhiHydY(i,j)  = 0. _d 0
       ENDDO
      ENDDO
      DO j=jMin,jMax
       DO i=iMin+1,iMax
        dPhiHydX(i,j) = _recip_dxC(i,j,bi,bj)*recip_deepFacC(k)
     &                *( varLoc(i,j)-varLoc(i-1,j) )*recip_rhoFacC(k)
       ENDDO
      ENDDO
      DO j=jMin+1,jMax
       DO i=iMin,iMax
        dPhiHydY(i,j) = _recip_dyC(i,j,bi,bj)*recip_deepFacC(k)
     &                *( varLoc(i,j)-varLoc(i,j-1) )*recip_rhoFacC(k)
       ENDDO
      ENDDO

#ifdef NONLIN_FRSURF
      IF (select_rStar.GE.2 .AND. nonlinFreeSurf.GE.1 ) THEN
       IF ( buoyancyRelation .EQ. 'OCEANIC' ) THEN
C--    z* coordinate slope term: rho_prime/rho0 * Grad_r(g.z)
        factorZ = gravity*recip_rhoConst*recip_rhoFacC(k)*0.5 _d 0
        DO j=jMin,jMax
         DO i=iMin,iMax
          varLoc(i,j) = etaH(i,j,bi,bj)
     &                *(1. _d 0 + rC(k)*recip_Rcol(i,j,bi,bj))
         ENDDO
        ENDDO
        DO j=jMin,jMax
         DO i=iMin+1,iMax
          dPhiHydX(i,j) = dPhiHydX(i,j)
     &     +factorZ*(alphRho(i-1,j)+alphRho(i,j))
     &             *(varLoc(i,j)-varLoc(i-1,j))
     &             *recip_dxC(i,j,bi,bj)*recip_deepFacC(k)
         ENDDO
        ENDDO
        DO j=jMin+1,jMax
         DO i=iMin,iMax
          dPhiHydY(i,j) = dPhiHydY(i,j)
     &     +factorZ*(alphRho(i,j-1)+alphRho(i,j))
     &             *(varLoc(i,j)-varLoc(i,j-1))
     &             *recip_dyC(i,j,bi,bj)*recip_deepFacC(k)
         ENDDO
        ENDDO
       ELSEIF (buoyancyRelation .EQ. 'OCEANICP' ) THEN
C--    p* coordinate slope term: alpha_prime * Grad_r( p )
        factorP = 0.5 _d 0
        DO j=jMin,jMax
         DO i=iMin+1,iMax
          dPhiHydX(i,j) = dPhiHydX(i,j)
     &     +factorP*(alphRho(i-1,j)+alphRho(i,j))
     &             *(rStarFacC(i,j,bi,bj)-rStarFacC(i-1,j,bi,bj))
     &             *rC(k)*recip_dxC(i,j,bi,bj)*recip_deepFacC(k)
         ENDDO
        ENDDO
        DO j=jMin+1,jMax
         DO i=iMin,iMax
          dPhiHydY(i,j) = dPhiHydY(i,j)
     &     +factorP*(alphRho(i,j-1)+alphRho(i,j))
     &             *(rStarFacC(i,j,bi,bj)-rStarFacC(i,j-1,bi,bj))
     &             *rC(k)*recip_dyC(i,j,bi,bj)*recip_deepFacC(k)
         ENDDO
        ENDDO
       ELSEIF ( buoyancyRelation .EQ. 'ATMOSPHERIC' ) THEN
C--    p* coordinate slope term: alpha_prime * Grad_r( p )
        conv_theta2T = (rC(k)/atm_Po)**atm_kappa
        factorP = (atm_Rd/rC(k))*conv_theta2T*0.5 _d 0
        DO j=jMin,jMax
         DO i=iMin+1,iMax
          dPhiHydX(i,j) = dPhiHydX(i,j)
     &     +factorP*(alphRho(i-1,j)+alphRho(i,j))
     &             *(rStarFacC(i,j,bi,bj)-rStarFacC(i-1,j,bi,bj))
     &             *rC(k)*recip_dxC(i,j,bi,bj)*recip_deepFacC(k)
         ENDDO
        ENDDO
        DO j=jMin+1,jMax
         DO i=iMin,iMax
          dPhiHydY(i,j) = dPhiHydY(i,j)
     &     +factorP*(alphRho(i,j-1)+alphRho(i,j))
     &             *(rStarFacC(i,j,bi,bj)-rStarFacC(i,j-1,bi,bj))
     &             *rC(k)*recip_dyC(i,j,bi,bj)*recip_deepFacC(k)
         ENDDO
        ENDDO
       ENDIF
      ENDIF
#endif /* NONLIN_FRSURF */

C--   Apply mask:
      DO j=1-OLy,sNy+OLy
       DO i=1-OLx,sNx+OLx
         dPhiHydX(i,j) = dPhiHydX(i,j)*_maskW(i,j,k,bi,bj)
         dPhiHydY(i,j) = dPhiHydY(i,j)*_maskS(i,j,k,bi,bj)
       ENDDO
      ENDDO

#endif /* INCLUDE_PHIHYD_CALCULATION_CODE */

      RETURN
      END
1	jmc	1.14	C $Header: /u/gcmpack/MITgcm/model/src/calc_grad_phi_hyd.F,v 1.13 2010/09/10 17:23:17 jmc Exp $
2	jmc	1.1	C $Name: $
3
4			#include "CPP_OPTIONS.h"
5
6			CBOP
7			C !ROUTINE: CALC_GRAD_PHI_HYD
8			C !INTERFACE:
9	jmc	1.9	SUBROUTINE CALC_GRAD_PHI_HYD(
10	jmc	1.1	I k, bi, bj, iMin,iMax, jMin,jMax,
11	jmc	1.3	I phiHydC, alphRho, tFld, sFld,
12	jmc	1.1	O dPhiHydX, dPhiHydY,
13			I myTime, myIter, myThid)
14			C !DESCRIPTION: \bv
15			C ==========================================================
16	jmc	1.9	C \| S/R CALC_GRAD_PHI_HYD
17			C \| o Calculate the gradient of Hydrostatic potential anomaly
18	jmc	1.1	C ==========================================================
19			C \ev
20
21			C !USES:
22			IMPLICIT NONE
23			C == Global variables ==
24			#include "SIZE.h"
25			#include "EEPARAMS.h"
26			#include "PARAMS.h"
27			#include "GRID.h"
28			#include "SURFACE.h"
29	jmc	1.3	#include "DYNVARS.h"
30	jmc	1.1
31			C !INPUT/OUTPUT PARAMETERS:
32			C == Routine Arguments ==
33	jmc	1.9	C bi,bj :: tile index
34	jmc	1.1	C iMin,iMax,jMin,jMax :: Loop counters
35	jmc	1.9	C phiHydC :: Hydrostatic Potential anomaly
36	jmc	1.1	C (atmos: =Geopotential ; ocean-z: =Pressure/rho)
37			C alphRho :: Density (z-coord) or specific volume (p-coord)
38			C tFld :: Potential temp.
39	jmc	1.9	C sFld :: Salinity
40	jmc	1.1	C dPhiHydX,Y :: Gradient (X & Y directions) of Hyd. Potential
41			C myTime :: Current time
42			C myIter :: Current iteration number
43			C myThid :: Instance number for this call of the routine.
44			INTEGER k, bi,bj, iMin,iMax, jMin,jMax
45	jmc	1.3	_RL phiHydC(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
46	jmc	1.1	_RL alphRho(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
47			_RL tFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
48			_RL sFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
49	jmc	1.14	_RL dPhiHydX(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
50			_RL dPhiHydY(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
51	jmc	1.1	_RL myTime
52			INTEGER myIter, myThid
53
54			#ifdef INCLUDE_PHIHYD_CALCULATION_CODE
55
56			C !LOCAL VARIABLES:
57			C == Local variables ==
58			C i,j :: Loop counters
59			INTEGER i,j
60	jmc	1.14	_RL varLoc(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
61	jmc	1.7	#ifdef NONLIN_FRSURF
62	jmc	1.3	_RL factorZ, factorP, conv_theta2T
63	jmc	1.5	_RL factPI
64			CHARACTER*(MAX_LEN_MBUF) msgBuf
65	jmc	1.7	#endif
66	jmc	1.1	CEOP
67
68	jmc	1.3	#ifdef NONLIN_FRSURF
69	jmc	1.5	IF (select_rStar.GE.2 .AND. nonlinFreeSurf.GE.4 ) THEN
70	heimbach	1.8	# ifndef DISABLE_RSTAR_CODE
71	jmc	1.5	C- Integral of b.dr = rStarFac * Integral of b.dr* :
72	jmc	1.9	C and will add later (select_rStar=2) the contribution of
73	jmc	1.5	C the slope of the r* coordinate.
74			IF ( buoyancyRelation .EQ. 'ATMOSPHERIC' ) THEN
75			C- Consistent with Phi'= Integr[ theta'.dPi ] :
76	jmc	1.10	DO j=jMin,jMax
77			DO i=iMin,iMax
78	jmc	1.5	varLoc(i,j) = phiHydC(i,j)rStarFacC(i,j,bi,bj)*atm_kappa
79			& + phi0surf(i,j,bi,bj)
80			ENDDO
81			ENDDO
82			ELSE
83	jmc	1.10	DO j=jMin,jMax
84			DO i=iMin,iMax
85	jmc	1.5	varLoc(i,j) = phiHydC(i,j)*rStarFacC(i,j,bi,bj)
86			& + phi0surf(i,j,bi,bj)
87			ENDDO
88			ENDDO
89			ENDIF
90			ELSEIF (select_rStar.GE.1 .AND. nonlinFreeSurf.GE.4 ) THEN
91			C- Integral of b.dr but scaled to correspond to a fixed r-level (=r*)
92			C no contribution of the slope of the r* coordinate (select_rStar=1)
93			IF ( buoyancyRelation .EQ. 'ATMOSPHERIC' ) THEN
94			C- Consistent with Phi'= Integr[ theta'.dPi ] :
95	jmc	1.10	DO j=jMin,jMax
96			DO i=iMin,iMax
97	jmc	1.5	IF (Ro_surf(i,j,bi,bj).EQ.rC(k)) THEN
98	jmc	1.9	factPI=atm_Cp( ((etaH(i,j,bi,bj)+rC(k))/atm_Po)*atm_kappa
99			& -( rC(k) /atm_Po)**atm_kappa
100	jmc	1.5	& )
101			varLoc(i,j) = factPI*alphRho(i,j)
102	jmc	1.13	& + phi0surf(i,j,bi,bj)
103	jmc	1.5	ELSEIF (Ro_surf(i,j,bi,bj).NE.0. _d 0) THEN
104			factPI = (rC(k)/Ro_surf(i,j,bi,bj))**atm_kappa
105			varLoc(i,j) = phiHydC(i,j)
106			& (rStarFacC(i,j,bi,bj)*atm_kappa - factPI)
107			& /(1. _d 0 -factPI)
108			& + phi0surf(i,j,bi,bj)
109			ENDIF
110			ENDDO
111			ENDDO
112			ELSE
113	jmc	1.10	DO j=jMin,jMax
114			DO i=iMin,iMax
115	jmc	1.5	IF (Ro_surf(i,j,bi,bj).EQ.rC(k)) THEN
116	jmc	1.6	WRITE(msgBuf,'(3A)') 'CALC_GRAD_PHI_HYD: ',
117			& 'Problem when Ro_surf=rC',
118			& ' with select_rStar,integr_GeoPot=1,4'
119	jmc	1.5	CALL PRINT_ERROR( msgBuf , myThid)
120			STOP 'CALC_GRAD_PHI_HYD: Pb in r* options implementation'
121			ELSE
122			varLoc(i,j) = phiHydC(i,j)
123			& *(etaH(i,j,bi,bj)+Ro_surf(i,j,bi,bj)-rC(k))
124			& / (Ro_surf(i,j,bi,bj)-rC(k))
125			& + phi0surf(i,j,bi,bj)
126			ENDIF
127			ENDDO
128	jmc	1.3	ENDDO
129	jmc	1.5	ENDIF
130	heimbach	1.8	# endif /* DISABLE_RSTAR_CODE */
131	jmc	1.3	ELSE
132			#else /* NONLIN_FRSURF */
133			IF (.TRUE.) THEN
134			#endif /* NONLIN_FRSURF */
135	jmc	1.10	DO j=jMin,jMax
136			DO i=iMin,iMax
137	jmc	1.3	varLoc(i,j) = phiHydC(i,j)+phi0surf(i,j,bi,bj)
138			ENDDO
139			ENDDO
140			ENDIF
141	jmc	1.1
142	jmc	1.3	C-- Zonal & Meridional gradient of potential anomaly
143	jmc	1.12	DO j=1-OLy,sNy+OLy
144			DO i=1-OLx,sNx+OLx
145			dPhiHydX(i,j) = 0. _d 0
146			dPhiHydY(i,j) = 0. _d 0
147			ENDDO
148			ENDDO
149	jmc	1.1	DO j=jMin,jMax
150	jmc	1.10	DO i=iMin+1,iMax
151	jmc	1.9	dPhiHydX(i,j) = _recip_dxC(i,j,bi,bj)*recip_deepFacC(k)
152			& ( varLoc(i,j)-varLoc(i-1,j) )recip_rhoFacC(k)
153	jmc	1.10	ENDDO
154			ENDDO
155			DO j=jMin+1,jMax
156			DO i=iMin,iMax
157	jmc	1.9	dPhiHydY(i,j) = _recip_dyC(i,j,bi,bj)*recip_deepFacC(k)
158			& ( varLoc(i,j)-varLoc(i,j-1) )recip_rhoFacC(k)
159	jmc	1.1	ENDDO
160			ENDDO
161	jmc	1.3
162			#ifdef NONLIN_FRSURF
163			IF (select_rStar.GE.2 .AND. nonlinFreeSurf.GE.1 ) THEN
164			IF ( buoyancyRelation .EQ. 'OCEANIC' ) THEN
165	jmc	1.11	C-- z* coordinate slope term: rho_prime/rho0 * Grad_r(g.z)
166	jmc	1.9	factorZ = gravityrecip_rhoConstrecip_rhoFacC(k)*0.5 _d 0
167	jmc	1.10	DO j=jMin,jMax
168			DO i=iMin,iMax
169	jmc	1.3	varLoc(i,j) = etaH(i,j,bi,bj)
170			& (1. _d 0 + rC(k)recip_Rcol(i,j,bi,bj))
171			ENDDO
172			ENDDO
173			DO j=jMin,jMax
174	jmc	1.10	DO i=iMin+1,iMax
175	jmc	1.3	dPhiHydX(i,j) = dPhiHydX(i,j)
176			& +factorZ*(alphRho(i-1,j)+alphRho(i,j))
177			& *(varLoc(i,j)-varLoc(i-1,j))
178	jmc	1.9	& recip_dxC(i,j,bi,bj)recip_deepFacC(k)
179	jmc	1.10	ENDDO
180			ENDDO
181			DO j=jMin+1,jMax
182			DO i=iMin,iMax
183	jmc	1.3	dPhiHydY(i,j) = dPhiHydY(i,j)
184			& +factorZ*(alphRho(i,j-1)+alphRho(i,j))
185			& *(varLoc(i,j)-varLoc(i,j-1))
186	jmc	1.9	& recip_dyC(i,j,bi,bj)recip_deepFacC(k)
187	jmc	1.3	ENDDO
188			ENDDO
189			ELSEIF (buoyancyRelation .EQ. 'OCEANICP' ) THEN
190	jmc	1.11	C-- p* coordinate slope term: alpha_prime * Grad_r( p )
191	jmc	1.3	factorP = 0.5 _d 0
192			DO j=jMin,jMax
193	jmc	1.10	DO i=iMin+1,iMax
194	jmc	1.3	dPhiHydX(i,j) = dPhiHydX(i,j)
195			& +factorP*(alphRho(i-1,j)+alphRho(i,j))
196			& *(rStarFacC(i,j,bi,bj)-rStarFacC(i-1,j,bi,bj))
197	jmc	1.9	& rC(k)recip_dxC(i,j,bi,bj)*recip_deepFacC(k)
198	jmc	1.10	ENDDO
199			ENDDO
200			DO j=jMin+1,jMax
201			DO i=iMin,iMax
202	jmc	1.3	dPhiHydY(i,j) = dPhiHydY(i,j)
203			& +factorP*(alphRho(i,j-1)+alphRho(i,j))
204			& *(rStarFacC(i,j,bi,bj)-rStarFacC(i,j-1,bi,bj))
205	jmc	1.9	& rC(k)recip_dyC(i,j,bi,bj)*recip_deepFacC(k)
206	jmc	1.3	ENDDO
207			ENDDO
208			ELSEIF ( buoyancyRelation .EQ. 'ATMOSPHERIC' ) THEN
209	jmc	1.11	C-- p* coordinate slope term: alpha_prime * Grad_r( p )
210	jmc	1.3	conv_theta2T = (rC(k)/atm_Po)**atm_kappa
211			factorP = (atm_Rd/rC(k))conv_theta2T0.5 _d 0
212			DO j=jMin,jMax
213	jmc	1.10	DO i=iMin+1,iMax
214	jmc	1.3	dPhiHydX(i,j) = dPhiHydX(i,j)
215	jmc	1.5	& +factorP*(alphRho(i-1,j)+alphRho(i,j))
216	jmc	1.3	& *(rStarFacC(i,j,bi,bj)-rStarFacC(i-1,j,bi,bj))
217	jmc	1.9	& rC(k)recip_dxC(i,j,bi,bj)*recip_deepFacC(k)
218	jmc	1.10	ENDDO
219			ENDDO
220			DO j=jMin+1,jMax
221			DO i=iMin,iMax
222	jmc	1.3	dPhiHydY(i,j) = dPhiHydY(i,j)
223	jmc	1.5	& +factorP*(alphRho(i,j-1)+alphRho(i,j))
224	jmc	1.3	& *(rStarFacC(i,j,bi,bj)-rStarFacC(i,j-1,bi,bj))
225	jmc	1.9	& rC(k)recip_dyC(i,j,bi,bj)*recip_deepFacC(k)
226	jmc	1.3	ENDDO
227			ENDDO
228			ENDIF
229			ENDIF
230			#endif /* NONLIN_FRSURF */
231	jmc	1.1
232	jmc	1.14	C-- Apply mask:
233			DO j=1-OLy,sNy+OLy
234			DO i=1-OLx,sNx+OLx
235			dPhiHydX(i,j) = dPhiHydX(i,j)*_maskW(i,j,k,bi,bj)
236			dPhiHydY(i,j) = dPhiHydY(i,j)*_maskS(i,j,k,bi,bj)
237			ENDDO
238			ENDDO
239
240	jmc	1.1	#endif /* INCLUDE_PHIHYD_CALCULATION_CODE */
241
242			RETURN
243			END