| 1 |
cnh |
1.3 |
C $Header: /home/ubuntu/mnt/e9_copy/MITgcm/model/src/ini_linear_phisurf.F,v 1.3 2001/09/26 18:09:15 cnh Exp $ |
| 2 |
jmc |
1.1 |
C $Name: $ |
| 3 |
|
|
|
| 4 |
|
|
#include "CPP_OPTIONS.h" |
| 5 |
|
|
|
| 6 |
cnh |
1.3 |
CBOP |
| 7 |
|
|
C !ROUTINE: INI_LINEAR_PHISURF |
| 8 |
|
|
C !INTERFACE: |
| 9 |
jmc |
1.1 |
SUBROUTINE INI_LINEAR_PHISURF( myThid ) |
| 10 |
cnh |
1.3 |
|
| 11 |
|
|
C !DESCRIPTION: \bv |
| 12 |
|
|
C *==========================================================* |
| 13 |
|
|
C | SUBROUTINE INI_LINEAR_PHISURF |
| 14 |
|
|
C | o Initialise the Linear Relation Phi_surf(eta) |
| 15 |
|
|
C *==========================================================* |
| 16 |
|
|
C | Presently: Initialise -Boyancy at surface level (Bo_surf) |
| 17 |
|
|
C | to setup the Linear relation: Phi_surf(eta)=Bo_surf*eta |
| 18 |
|
|
C | Futur: might add other things for Non-Linear FreeSurface |
| 19 |
|
|
C *==========================================================* |
| 20 |
|
|
C \ev |
| 21 |
|
|
|
| 22 |
|
|
C !USES: |
| 23 |
jmc |
1.1 |
IMPLICIT NONE |
| 24 |
|
|
C === Global variables === |
| 25 |
|
|
#include "SIZE.h" |
| 26 |
|
|
#include "EEPARAMS.h" |
| 27 |
|
|
#include "PARAMS.h" |
| 28 |
|
|
#include "GRID.h" |
| 29 |
|
|
#include "SURFACE.h" |
| 30 |
|
|
|
| 31 |
cnh |
1.3 |
C !INPUT/OUTPUT PARAMETERS: |
| 32 |
jmc |
1.1 |
C === Routine arguments === |
| 33 |
|
|
C myThid - Thread no. that called this routine. |
| 34 |
|
|
INTEGER myThid |
| 35 |
|
|
|
| 36 |
cnh |
1.3 |
C !LOCAL VARIABLES: |
| 37 |
jmc |
1.1 |
C === Local variables === |
| 38 |
|
|
C bi,bj - Loop counters |
| 39 |
|
|
C I,J,K |
| 40 |
|
|
CHARACTER*(MAX_LEN_MBUF) msgBuf |
| 41 |
|
|
INTEGER bi, bj |
| 42 |
|
|
INTEGER I, J, K |
| 43 |
|
|
_RL dPIdp |
| 44 |
cnh |
1.3 |
CEOP |
| 45 |
jmc |
1.1 |
|
| 46 |
|
|
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 47 |
|
|
|
| 48 |
|
|
C-- Initialise -Boyancy at surface level : Bo_surf |
| 49 |
|
|
C Bo_surf is defined as d/dr(Phi_surf) and set to g/rtoz (linear free surface) |
| 50 |
|
|
C with rtoz = conversion factor from r-unit to z-unit (=horiVertRatio) |
| 51 |
|
|
C an accurate formulation includes P_surf and T,S_surf effects on rho_surf: |
| 52 |
|
|
C (setting uniformLin_PhiSurf=.FALSE.): |
| 53 |
|
|
C z-ocean (rtoz=1) : Bo_surf = - Boyancy = gravity * rho_surf/rho_0 |
| 54 |
|
|
C p-atmos (rtoz=rho_c*g) : Bo_surf = (1/rho)_surf |
| 55 |
|
|
C Note on Phi_surf splitting : Non-linear Time-dependent effects on b_surf |
| 56 |
|
|
C [through eta & (T-tRef)_surf] are included in PhiHyd rather than in Bo_surf |
| 57 |
|
|
C-- |
| 58 |
|
|
IF ( buoyancyRelation .eq. 'OCEANIC' ) THEN |
| 59 |
|
|
C- gBaro = gravity (except for External mode test with reduced gravity) |
| 60 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
| 61 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 62 |
|
|
DO J=1-Oly,sNy+Oly |
| 63 |
|
|
DO I=1-Olx,sNx+Olx |
| 64 |
|
|
Bo_surf(I,J,bi,bj) = gBaro |
| 65 |
|
|
recip_Bo(I,J,bi,bj) = 1. _d 0 / gBaro |
| 66 |
|
|
ENDDO |
| 67 |
|
|
ENDDO |
| 68 |
|
|
ENDDO |
| 69 |
|
|
ENDDO |
| 70 |
|
|
ELSEIF ( uniformLin_PhiSurf ) THEN |
| 71 |
|
|
C- use a linear (in ps) uniform relation : Phi'_surf = 1/rhoConst * ps'_surf |
| 72 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
| 73 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 74 |
|
|
DO J=1-Oly,sNy+Oly |
| 75 |
|
|
DO I=1-Olx,sNx+Olx |
| 76 |
|
|
Bo_surf(I,J,bi,bj) = recip_rhoConst |
| 77 |
|
|
recip_Bo(I,J,bi,bj) = rhoConst |
| 78 |
|
|
ENDDO |
| 79 |
|
|
ENDDO |
| 80 |
|
|
ENDDO |
| 81 |
|
|
ENDDO |
| 82 |
|
|
ELSE |
| 83 |
|
|
C- use a linearized (in ps) Non-uniform relation : Bo_surf(Po_surf,tRef_surf) |
| 84 |
|
|
C--- Bo = d/d_p(Phi_surf) = tRef_surf*d/d_p(PI) ; PI = Cp*(p/Po)^kappa |
| 85 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
| 86 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 87 |
|
|
DO J=1-Oly,sNy+Oly |
| 88 |
|
|
DO I=1-Olx,sNx+Olx |
| 89 |
jmc |
1.2 |
IF ( Ro_surf(I,J,bi,bj).GT.0. _d 0 |
| 90 |
|
|
& .AND. ksurfC(I,J,bi,bj).LE.Nr ) THEN |
| 91 |
jmc |
1.1 |
dPIdp = (atm_cp*atm_kappa/atm_po)* |
| 92 |
|
|
& (Ro_surf(I,J,bi,bj)/atm_po)**(atm_kappa-1. _d 0) |
| 93 |
jmc |
1.2 |
Bo_surf(I,J,bi,bj) = dPIdp*tRef(ksurfC(I,J,bi,bj)) |
| 94 |
jmc |
1.1 |
recip_Bo(I,J,bi,bj) = 1. _d 0 / Bo_surf(I,J,bi,bj) |
| 95 |
|
|
ELSE |
| 96 |
|
|
Bo_surf(I,J,bi,bj) = 0. |
| 97 |
|
|
recip_Bo(I,J,bi,bj) = 0. |
| 98 |
|
|
ENDIF |
| 99 |
|
|
ENDDO |
| 100 |
|
|
ENDDO |
| 101 |
|
|
ENDDO |
| 102 |
|
|
ENDDO |
| 103 |
|
|
ENDIF |
| 104 |
|
|
|
| 105 |
|
|
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 106 |
|
|
|
| 107 |
|
|
C-- Update overlap regions |
| 108 |
|
|
_EXCH_XY_R8(Bo_surf, myThid) |
| 109 |
|
|
_EXCH_XY_R8(recip_Bo, myThid) |
| 110 |
|
|
|
| 111 |
|
|
IF ( buoyancyRelation .eq. 'ATMOSPHERIC' .AND. |
| 112 |
|
|
& .NOT.uniformLin_PhiSurf ) THEN |
| 113 |
|
|
CALL WRITE_FLD_XY_RL( 'Bo_surf',' ',Bo_surf,0,myThid) |
| 114 |
|
|
ENDIF |
| 115 |
|
|
|
| 116 |
|
|
RETURN |
| 117 |
|
|
END |
Parent Directory
| 
Revision Log
| 
Revision Graph