| 1 |
#include "DIC_OPTIONS.h" |
| 2 |
#include "GCHEM_OPTIONS.h" |
| 3 |
|
| 4 |
CBOP |
| 5 |
C !ROUTINE: ALK_SURFFORCING |
| 6 |
|
| 7 |
C !INTERFACE: ========================================================== |
| 8 |
SUBROUTINE ALK_SURFFORCING( PTR_ALK , GALK, |
| 9 |
I bi,bj,imin,imax,jmin,jmax, |
| 10 |
I myIter,myTime,myThid) |
| 11 |
|
| 12 |
C !DESCRIPTION: |
| 13 |
C Calculate the alkalinity change due to freshwater flux |
| 14 |
C Update alkalinity tendency term |
| 15 |
|
| 16 |
C !USES: =============================================================== |
| 17 |
IMPLICIT NONE |
| 18 |
#include "SIZE.h" |
| 19 |
#include "DYNVARS.h" |
| 20 |
#include "EEPARAMS.h" |
| 21 |
#include "PARAMS.h" |
| 22 |
#include "GRID.h" |
| 23 |
#include "FFIELDS.h" |
| 24 |
#include "DIC_ABIOTIC.h" |
| 25 |
|
| 26 |
C !INPUT PARAMETERS: =================================================== |
| 27 |
C myThid :: thread number |
| 28 |
C myIter :: current timestep |
| 29 |
C myTime :: current time |
| 30 |
C bi,bj :: tile indices |
| 31 |
C PTR_ALK :: alkalinity field |
| 32 |
INTEGER myIter, myThid |
| 33 |
_RL myTime |
| 34 |
_RL PTR_ALK(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
| 35 |
INTEGER iMin,iMax,jMin,jMax, bi, bj |
| 36 |
|
| 37 |
C !OUTPUT PARAMETERS: ================================================== |
| 38 |
C GALK :: tendency term of alkalinity |
| 39 |
_RL GALK(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 40 |
|
| 41 |
#ifdef ALLOW_PTRACERS |
| 42 |
#ifdef DIC_BIOTIC |
| 43 |
|
| 44 |
C !LOCAL VARIABLES: ==================================================== |
| 45 |
C i,j :: loop indices |
| 46 |
INTEGER i,j |
| 47 |
CEOP |
| 48 |
|
| 49 |
#ifdef ALLOW_OLD_VIRTUALFLUX |
| 50 |
DO j=jmin,jmax |
| 51 |
DO i=imin,imax |
| 52 |
IF (maskC(i,j,1,bi,bj).NE.0.) THEN |
| 53 |
c calculate virtual flux |
| 54 |
c EminusPforV = dS/dt*(1/Sglob) |
| 55 |
C NOTE: Be very careful with signs here! |
| 56 |
C Positive EminusPforV => loss of water to atmos and increase |
| 57 |
C in salinity. Thus, also increase in other surface tracers |
| 58 |
C (i.e. positive virtual flux into surface layer) |
| 59 |
GALK(i,j)=gsm_ALK*surfaceForcingS(i,j,bi,bj)* |
| 60 |
& recip_drF(1)/gsm_S |
| 61 |
c OR |
| 62 |
c let virtual flux be zero |
| 63 |
c GALK(i,j)=0.d0 |
| 64 |
c |
| 65 |
ELSE |
| 66 |
GALK(i,j)=0. _d 0 |
| 67 |
ENDIF |
| 68 |
ENDDO |
| 69 |
ENDDO |
| 70 |
#endif /* ALLOW_OLD_VIRTUALFLUX */ |
| 71 |
|
| 72 |
#endif |
| 73 |
#endif |
| 74 |
RETURN |
| 75 |
END |
Parent Directory
| 
Revision Log
| 
Revision Graph