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external_forcing.F
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external_forcing.F
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#include "CPP_OPTIONS.h"
CBOP
C !ROUTINE: EXTERNAL_FORCING_U
C !INTERFACE:
SUBROUTINE EXTERNAL_FORCING_U(
I iMin,iMax, jMin,jMax, bi,bj, kLev,
I myTime, myThid )
C !DESCRIPTION: \bv
C *==========================================================*
C | S/R EXTERNAL_FORCING_U
C | o Contains problem specific forcing for zonal velocity.
C *==========================================================*
C | Adds terms to gU for forcing by external sources
C | e.g. wind stress, bottom friction etc ...
C *==========================================================*
C \ev
C !USES:
IMPLICIT NONE
C == Global data ==
#include "SIZE.h"
#include "EEPARAMS.h"
#include "PARAMS.h"
#include "GRID.h"
#include "DYNVARS.h"
#include "FFIELDS.h"
C !INPUT/OUTPUT PARAMETERS:
C == Routine arguments ==
C iMin,iMax :: Working range of x-index for applying forcing.
C jMin,jMax :: Working range of y-index for applying forcing.
C bi,bj :: Current tile indices
C kLev :: Current vertical level index
C myTime :: Current time in simulation
C myThid :: Thread Id number
INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj
_RL myTime
INTEGER myThid
C !LOCAL VARIABLES:
C == Local variables ==
C i,j :: Loop counters
INTEGER i, j
CEOP
_RL recip_P0g, termP, kV, kF, sigma_b
C-- Forcing term(s)
kF=1. _d 0/86400. _d 0
sigma_b = 0.7 _d 0
c DO j=1,sNy
C-jmc: Without CD-scheme, this is OK ; but with CD-scheme, needs to cover [0:sNy+1]
DO j=0,sNy+1
DO i=1,sNx+1
IF ( hFacW(i,j,kLev,bi,bj) .GT. 0. ) THEN
recip_P0g=MAX(recip_Rcol(i,j,bi,bj),recip_Rcol(i-1,j,bi,bj))
termP=0.5 _d 0*( MIN(rF(kLev)*recip_P0g,1. _d 0)
& +rF(kLev+1)*recip_P0g )
c termP=0.5 _d 0*( rF(kLev) + rF(kLev+1) )*recip_P0g
kV=kF*MAX( 0. _d 0, (termP-sigma_b)/(1. _d 0-sigma_b) )
gU(i,j,kLev,bi,bj)=gU(i,j,kLev,bi,bj)
& -kV*uVel(i,j,kLev,bi,bj)
ENDIF
ENDDO
ENDDO
RETURN
END
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
CBOP
C !ROUTINE: EXTERNAL_FORCING_V
C !INTERFACE:
SUBROUTINE EXTERNAL_FORCING_V(
I iMin,iMax, jMin,jMax, bi,bj, kLev,
I myTime, myThid )
C !DESCRIPTION: \bv
C *==========================================================*
C | S/R EXTERNAL_FORCING_V
C | o Contains problem specific forcing for merid velocity.
C *==========================================================*
C | Adds terms to gV for forcing by external sources
C | e.g. wind stress, bottom friction etc ...
C *==========================================================*
C \ev
C !USES:
IMPLICIT NONE
C == Global data ==
#include "SIZE.h"
#include "EEPARAMS.h"
#include "PARAMS.h"
#include "GRID.h"
#include "DYNVARS.h"
#include "FFIELDS.h"
C !INPUT/OUTPUT PARAMETERS:
C == Routine arguments ==
C iMin,iMax :: Working range of x-index for applying forcing.
C jMin,jMax :: Working range of y-index for applying forcing.
C bi,bj :: Current tile indices
C kLev :: Current vertical level index
C myTime :: Current time in simulation
C myThid :: Thread Id number
INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj
_RL myTime
INTEGER myThid
C !LOCAL VARIABLES:
C == Local variables ==
C i,j :: Loop counters
INTEGER i, j
CEOP
_RL recip_P0g, termP, kV, kF, sigma_b
C-- Forcing term(s)
kF=1. _d 0/86400. _d 0
sigma_b = 0.7 _d 0
DO j=1,sNy+1
c DO i=1,sNx
C-jmc: Without CD-scheme, this is OK ; but with CD-scheme, needs to cover [0:sNx+1]
DO i=0,sNx+1
IF ( hFacS(i,j,kLev,bi,bj) .GT. 0. ) THEN
recip_P0g=MAX(recip_Rcol(i,j,bi,bj),recip_Rcol(i,j-1,bi,bj))
termP=0.5 _d 0*( MIN(rF(kLev)*recip_P0g,1. _d 0)
& +rF(kLev+1)*recip_P0g )
c termP=0.5 _d 0*( rF(kLev) + rF(kLev+1) )*recip_P0g
kV=kF*MAX( 0. _d 0, (termP-sigma_b)/(1. _d 0-sigma_b) )
gV(i,j,kLev,bi,bj)=gV(i,j,kLev,bi,bj)
& -kV*vVel(i,j,kLev,bi,bj)
ENDIF
ENDDO
ENDDO
RETURN
END
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
CBOP
C !ROUTINE: EXTERNAL_FORCING_T
C !INTERFACE:
SUBROUTINE EXTERNAL_FORCING_T(
I iMin,iMax, jMin,jMax, bi,bj, kLev,
I myTime, myThid )
C !DESCRIPTION: \bv
C *==========================================================*
C | S/R EXTERNAL_FORCING_T
C | o Contains problem specific forcing for temperature.
C *==========================================================*
C | Adds terms to gT for forcing by external sources
C | e.g. heat flux, climatalogical relaxation, etc ...
C *==========================================================*
C \ev
C !USES:
IMPLICIT NONE
C == Global data ==
#include "SIZE.h"
#include "EEPARAMS.h"
#include "PARAMS.h"
#include "GRID.h"
#include "DYNVARS.h"
#include "FFIELDS.h"
C !INPUT/OUTPUT PARAMETERS:
C == Routine arguments ==
C iMin,iMax :: Working range of x-index for applying forcing.
C jMin,jMax :: Working range of y-index for applying forcing.
C bi,bj :: Current tile indices
C kLev :: Current vertical level index
C myTime :: Current time in simulation
C myThid :: Thread Id number
INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj
_RL myTime
INTEGER myThid
C !LOCAL VARIABLES:
C == Local variables ==
C i,j :: Loop counters
INTEGER i, j
CEOP
_RL thetaLim,kT,ka,ks,sigma_b,term1,term2,thetaEq,termP
C-- Forcing term(s)
ka=1. _d 0/(40. _d 0*86400. _d 0)
ks=1. _d 0/(4. _d 0 *86400. _d 0)
sigma_b = 0.7 _d 0
DO j=1,sNy
DO i=1,sNx
term1=60. _d 0*(SIN(yC(i,j,bi,bj)*deg2rad)**2)
termP=0.5 _d 0*( rF(kLev) + rF(kLev+1) )
term2=10. _d 0*LOG(termP/atm_po)
& *(COS(yC(i,j,bi,bj)*deg2rad)**2)
thetaLim = 200. _d 0/ ((termP/atm_po)**atm_kappa)
thetaEq=315. _d 0-term1-term2
thetaEq=MAX(thetaLim,thetaEq)
termP=0.5 _d 0*( MIN(rF(kLev),Ro_surf(i,j,bi,bj))+rF(kLev+1) )
kT=ka+(ks-ka)
& *MAX(0. _d 0,
& (termP*recip_Rcol(i,j,bi,bj)-sigma_b)/(1. _d 0-sigma_b) )
& *COS((yC(i,j,bi,bj)*deg2rad))**4
gT(i,j,kLev,bi,bj)=gT(i,j,kLev,bi,bj)
& - kT*( theta(i,j,kLev,bi,bj)-thetaEq )
& *maskC(i,j,kLev,bi,bj)
ENDDO
ENDDO
RETURN
END
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
CBOP
C !ROUTINE: EXTERNAL_FORCING_S
C !INTERFACE:
SUBROUTINE EXTERNAL_FORCING_S(
I iMin,iMax, jMin,jMax, bi,bj, kLev,
I myTime, myThid )
C !DESCRIPTION: \bv
C *==========================================================*
C | S/R EXTERNAL_FORCING_S
C | o Contains problem specific forcing for merid velocity.
C *==========================================================*
C | Adds terms to gS for forcing by external sources
C | e.g. fresh-water flux, climatalogical relaxation, etc ...
C *==========================================================*
C \ev
C !USES:
IMPLICIT NONE
C == Global data ==
#include "SIZE.h"
#include "EEPARAMS.h"
#include "PARAMS.h"
#include "GRID.h"
#include "DYNVARS.h"
#include "FFIELDS.h"
C !INPUT/OUTPUT PARAMETERS:
C == Routine arguments ==
C iMin,iMax :: Working range of x-index for applying forcing.
C jMin,jMax :: Working range of y-index for applying forcing.
C bi,bj :: Current tile indices
C kLev :: Current vertical level index
C myTime :: Current time in simulation
C myThid :: Thread Id number
INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj
_RL myTime
INTEGER myThid
C !LOCAL VARIABLES:
C == Local variables ==
C i,j :: Loop counters
c INTEGER i, j
CEOP
C-- Forcing term(s)
RETURN
END