| 1 |
dimitri |
1.3 |
C $Header: /usr/local/gcmpack/MITgcm_contrib/ocean_inversion_project/code/ptracers_forcing_surf.F,v 1.2 2003/09/26 17:26:42 dimitri Exp $ |
| 2 |
dimitri |
1.1 |
C $Name: $ |
| 3 |
|
|
|
| 4 |
|
|
#include "PTRACERS_OPTIONS.h" |
| 5 |
|
|
|
| 6 |
|
|
CBOP |
| 7 |
|
|
C !ROUTINE: PTRACERS_FORCING |
| 8 |
|
|
|
| 9 |
|
|
C !INTERFACE: ========================================================== |
| 10 |
dimitri |
1.2 |
SUBROUTINE PTRACERS_FORCING_SURF( |
| 11 |
|
|
I bi, bj, iMin, iMax, jMin, jMax, |
| 12 |
|
|
I myTime,myIter,myThid ) |
| 13 |
dimitri |
1.1 |
|
| 14 |
|
|
C !DESCRIPTION: |
| 15 |
dimitri |
1.2 |
C Precomputes surface forcing term for pkg/ptracers. |
| 16 |
|
|
C Precomputation is needed because of non-local KPP transport term, |
| 17 |
|
|
C routine KPP_TRANSPORT_PTR. |
| 18 |
dimitri |
1.1 |
C This file is customized to compute CO2 perturbations from |
| 19 |
|
|
C 30 ocean regions for Gruber's ocean inversion project. |
| 20 |
|
|
|
| 21 |
|
|
C !USES: =============================================================== |
| 22 |
|
|
IMPLICIT NONE |
| 23 |
|
|
#include "SIZE.h" |
| 24 |
|
|
#include "EEPARAMS.h" |
| 25 |
|
|
#include "PTRACERS.h" |
| 26 |
|
|
#include "PARAMS.h" |
| 27 |
|
|
#include "FFIELDS.h" |
| 28 |
|
|
#include "DYNVARS.h" |
| 29 |
|
|
#include "GRID.h" |
| 30 |
|
|
|
| 31 |
|
|
C !INPUT PARAMETERS: =================================================== |
| 32 |
|
|
C bi,bj :: tile indices |
| 33 |
dimitri |
1.2 |
C myTime :: model time |
| 34 |
dimitri |
1.1 |
C myIter :: time-step number |
| 35 |
|
|
C myThid :: thread number |
| 36 |
dimitri |
1.2 |
INTEGER bi, bj, iMin, iMax, jMin, jMax |
| 37 |
|
|
_RL myTime |
| 38 |
dimitri |
1.1 |
INTEGER myIter |
| 39 |
|
|
INTEGER myThid |
| 40 |
|
|
|
| 41 |
|
|
#ifdef ALLOW_PTRACERS |
| 42 |
|
|
|
| 43 |
|
|
C !LOCAL VARIABLES: ==================================================== |
| 44 |
|
|
C i,j :: loop indices |
| 45 |
dimitri |
1.2 |
INTEGER i, j, iTracer |
| 46 |
dimitri |
1.1 |
integer fldstartdate(4), mydate(4), difftime(4) |
| 47 |
|
|
integer count0, count1 |
| 48 |
dimitri |
1.3 |
_RL repeatPeriod, fldperiod, frac, fldsecs, fldsecs0, fldsecs1 |
| 49 |
|
|
#ifdef OCEAN_INVERSION_PROJECT_TIME_DEPENDENT |
| 50 |
|
|
_RL AtmCO2frac |
| 51 |
|
|
integer AtmCO2rec0, AtmCO2rec1 |
| 52 |
|
|
#endif /* OCEAN_INVERSION_PROJECT_TIME_DEPENDENT */ |
| 53 |
dimitri |
1.1 |
|
| 54 |
|
|
CEOP |
| 55 |
|
|
|
| 56 |
|
|
C Compute time interpolation indices and factors. |
| 57 |
|
|
C It is assumed that each year is 365.25 days (31557600 s) |
| 58 |
|
|
C long and that each month is 2629800 s. |
| 59 |
|
|
repeatPeriod = 31557600 |
| 60 |
|
|
fldperiod = 2629800 |
| 61 |
|
|
|
| 62 |
dimitri |
1.3 |
C Takahashi climatology start date is January 15, 5:15am |
| 63 |
dimitri |
1.1 |
fldstartdate(1) = 17650115 |
| 64 |
|
|
fldstartdate(2) = 51500 |
| 65 |
|
|
fldstartdate(3) = 1 |
| 66 |
|
|
fldstartdate(4) = 5 |
| 67 |
|
|
|
| 68 |
|
|
C Determine offset in seconds from beginning of input data |
| 69 |
|
|
C to current date. |
| 70 |
|
|
call cal_GetDate( myiter, mytime, mydate, mythid ) |
| 71 |
|
|
call cal_TimePassed( fldstartdate, mydate, difftime, mythid ) |
| 72 |
|
|
call cal_ToSeconds( difftime, fldsecs, mythid ) |
| 73 |
|
|
|
| 74 |
|
|
C Determine the flux records just before and after mycurrentdate. |
| 75 |
|
|
do while ( fldsecs .lt. 0 ) |
| 76 |
|
|
fldsecs = fldsecs + repeatPeriod |
| 77 |
|
|
enddo |
| 78 |
|
|
fldsecs0 = mod(fldsecs,repeatPeriod) |
| 79 |
|
|
count0 = int((fldsecs0+0.5)/fldperiod) + 1 |
| 80 |
|
|
fldsecs1 = mod(fldsecs+fldperiod,repeatPeriod) |
| 81 |
|
|
count1 = int((fldsecs1+0.5)/fldperiod) + 1 |
| 82 |
|
|
fldsecs = fldsecs0-int((fldsecs0+0.5)/fldperiod)*fldperiod |
| 83 |
|
|
|
| 84 |
|
|
C Weight belonging to irec for linear interpolation purposes. |
| 85 |
dimitri |
1.3 |
C Note: The weight as chosen here is 1. - frac of the "old" |
| 86 |
dimitri |
1.1 |
C MITgcm's estimation program. |
| 87 |
dimitri |
1.3 |
frac = 1. - fldsecs/fldperiod |
| 88 |
|
|
|
| 89 |
|
|
#ifdef OCEAN_INVERSION_PROJECT_TIME_DEPENDENT |
| 90 |
|
|
C Atmospheric CO2 flux start date is January 1, 1765 |
| 91 |
|
|
repeatPeriod = repeatPeriod / 2 |
| 92 |
|
|
fldstartdate(1) = 17650101 |
| 93 |
|
|
fldstartdate(2) = 00000 |
| 94 |
|
|
fldstartdate(3) = 1 |
| 95 |
|
|
fldstartdate(4) = 5 |
| 96 |
|
|
call cal_GetDate( myiter, mytime, mydate, mythid ) |
| 97 |
|
|
call cal_TimePassed( fldstartdate, mydate, difftime, mythid ) |
| 98 |
|
|
call cal_ToSeconds( difftime, fldsecs, mythid ) |
| 99 |
|
|
AtmCO2rec0 = int(fldsecs/repeatPeriod)+1 |
| 100 |
|
|
AtmCO2rec1 = int(fldsecs/repeatPeriod)+2 |
| 101 |
|
|
AtmCO2frac = ( fldsecs - repeatPeriod * |
| 102 |
|
|
& int(fldsecs/repeatPeriod) ) / repeatPeriod |
| 103 |
|
|
AtmCO2frac = (1-AtmCO2frac) * pTracerAtmCO2(AtmCO2rec0) + |
| 104 |
|
|
& AtmCO2frac * pTracerAtmCO2(AtmCO2rec1) - pTracerAtmCO2(1) |
| 105 |
|
|
cdb print*,'###',myiter,mytime,AtmCO2rec0,AtmCO2rec1,AtmCO2frac |
| 106 |
|
|
#endif /* OCEAN_INVERSION_PROJECT_TIME_DEPENDENT */ |
| 107 |
dimitri |
1.1 |
|
| 108 |
dimitri |
1.2 |
DO iTracer=1,PTRACERS_numInUse |
| 109 |
dimitri |
1.1 |
DO j=1-Oly,sNy+Oly |
| 110 |
|
|
DO i=1-Olx,sNx+Olx |
| 111 |
dimitri |
1.2 |
surfaceTendencyPtr(i,j,bi,bj,iTracer) = |
| 112 |
dimitri |
1.1 |
& pTracerMasks(i,j,iTracer,bi,bj) * ( |
| 113 |
dimitri |
1.3 |
& pTracerTakahashi(I,J,count0,bi,bj) * frac + |
| 114 |
|
|
& pTracerTakahashi(I,J,count1,bi,bj) * (1-frac) ) * |
| 115 |
dimitri |
1.1 |
& recip_drF(1) * recip_hFacC(i,j,1,bi,bj) |
| 116 |
dimitri |
1.3 |
#ifdef OCEAN_INVERSION_PROJECT_TIME_DEPENDENT |
| 117 |
|
|
& * AtmCO2frac |
| 118 |
|
|
#endif /* OCEAN_INVERSION_PROJECT_TIME_DEPENDENT */ |
| 119 |
dimitri |
1.1 |
ENDDO |
| 120 |
|
|
ENDDO |
| 121 |
dimitri |
1.2 |
ENDDO |
| 122 |
dimitri |
1.1 |
|
| 123 |
|
|
#endif /* ALLOW_PTRACERS */ |
| 124 |
|
|
|
| 125 |
|
|
RETURN |
| 126 |
|
|
END |
Parent Directory
| 
Revision Log
| 
Revision Graph