| 1 |
jmc |
1.16 |
C $Header: /u/gcmpack/MITgcm/pkg/dic/dic_atmos.F,v 1.15 2010/04/11 20:59:27 jmc Exp $ |
| 2 |
jmc |
1.5 |
C $Name: $ |
| 3 |
|
|
|
| 4 |
stephd |
1.1 |
#include "DIC_OPTIONS.h" |
| 5 |
|
|
#include "PTRACERS_OPTIONS.h" |
| 6 |
|
|
|
| 7 |
|
|
CBOP |
| 8 |
|
|
C !ROUTINE: DIC_ATMOS |
| 9 |
|
|
|
| 10 |
|
|
C !INTERFACE: ========================================================== |
| 11 |
jmc |
1.5 |
SUBROUTINE DIC_ATMOS( istate, myTime, myIter, myThid ) |
| 12 |
stephd |
1.1 |
|
| 13 |
|
|
C !DESCRIPTION: |
| 14 |
|
|
C Calculate the atmospheric pCO2 |
| 15 |
dfer |
1.10 |
C dic_int1: |
| 16 |
stephd |
1.1 |
C 0=use default 278.d-6 |
| 17 |
dfer |
1.10 |
C 1=use constant value - dic_pCO2, read in from data.dic |
| 18 |
jmc |
1.5 |
C 2=read in from file |
| 19 |
jmc |
1.15 |
C 3=interact with atmospheric box (use dic_pCO2 as initial atmos. value) |
| 20 |
|
|
|
| 21 |
stephd |
1.1 |
C !USES: =============================================================== |
| 22 |
|
|
IMPLICIT NONE |
| 23 |
|
|
#include "SIZE.h" |
| 24 |
|
|
#include "EEPARAMS.h" |
| 25 |
|
|
#include "PARAMS.h" |
| 26 |
|
|
#include "GRID.h" |
| 27 |
dfer |
1.8 |
#include "DIC_VARS.h" |
| 28 |
stephd |
1.1 |
#include "PTRACERS_SIZE.h" |
| 29 |
jmc |
1.15 |
#include "PTRACERS_PARAMS.h" |
| 30 |
stephd |
1.1 |
#include "PTRACERS_FIELDS.h" |
| 31 |
|
|
#include "DIC_ATMOS.h" |
| 32 |
|
|
|
| 33 |
|
|
C !INPUT PARAMETERS: =================================================== |
| 34 |
jmc |
1.15 |
C istate :: 0=initial call, 1=subsequent calls |
| 35 |
stephd |
1.1 |
C myTime :: current time |
| 36 |
jmc |
1.15 |
C myIter :: current iteration number |
| 37 |
|
|
C myThid :: my Thread Id number |
| 38 |
|
|
INTEGER istate |
| 39 |
stephd |
1.1 |
_RL myTime |
| 40 |
jmc |
1.15 |
INTEGER myIter, myThid |
| 41 |
stephd |
1.1 |
|
| 42 |
jmc |
1.15 |
#ifdef ALLOW_DIC |
| 43 |
|
|
|
| 44 |
|
|
#ifdef USE_ATMOSCO2 |
| 45 |
|
|
C if coupled to atmsopheric model, use the |
| 46 |
|
|
C CO2 value passed from the coupler |
| 47 |
|
|
|
| 48 |
|
|
#else /* USE_ATMOSCO2 */ |
| 49 |
|
|
|
| 50 |
|
|
C !FUNCTIONS: ==================================================== |
| 51 |
stephd |
1.1 |
LOGICAL DIFFERENT_MULTIPLE |
| 52 |
|
|
EXTERNAL DIFFERENT_MULTIPLE |
| 53 |
|
|
|
| 54 |
|
|
C !LOCAL VARIABLES: ==================================================== |
| 55 |
jmc |
1.15 |
C total_atmos_moles :: atmosphere total gas content (should be parameter) |
| 56 |
|
|
_RL total_atmos_moles |
| 57 |
|
|
INTEGER bi, bj, i,j,k |
| 58 |
|
|
INTEGER ntim |
| 59 |
|
|
|
| 60 |
|
|
_RL tile_flux (nSx,nSy) |
| 61 |
|
|
_RL tile_carbon(nSx,nSy) |
| 62 |
|
|
_RL total_flux |
| 63 |
|
|
_RL total_carbon |
| 64 |
|
|
|
| 65 |
|
|
C for carbon budget ouput |
| 66 |
|
|
INTEGER ioUnit |
| 67 |
|
|
_RL total_ocean_carbon_old |
| 68 |
|
|
_RL total_atmos_carbon_old |
| 69 |
|
|
_RL total_carbon_old, carbon_diff |
| 70 |
|
|
_RL year_diff_ocean, year_diff_atmos, year_total |
| 71 |
|
|
_RL start_diff_ocean, start_diff_atmos, start_total |
| 72 |
stephd |
1.1 |
C variables for reading CO2 input files |
| 73 |
jmc |
1.15 |
_RL tmp |
| 74 |
stephd |
1.1 |
_RL aWght, bWght |
| 75 |
jmc |
1.15 |
|
| 76 |
|
|
LOGICAL timeCO2budget |
| 77 |
stephd |
1.1 |
CEOP |
| 78 |
|
|
|
| 79 |
jmc |
1.15 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 80 |
stephd |
1.1 |
|
| 81 |
jmc |
1.15 |
ioUnit = standardMessageUnit |
| 82 |
stephd |
1.1 |
|
| 83 |
jmc |
1.15 |
C user specified value (or default = 278 ppm)- set only once |
| 84 |
|
|
IF ( (dic_int1.EQ.0 .OR. dic_int1.EQ.1) .AND. istate.EQ.0 ) THEN |
| 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 |
dfer |
1.10 |
AtmospCO2(i,j,bi,bj)=dic_pCO2 |
| 90 |
jmc |
1.15 |
ENDDO |
| 91 |
stephd |
1.1 |
ENDDO |
| 92 |
|
|
ENDDO |
| 93 |
|
|
ENDDO |
| 94 |
jmc |
1.15 |
ENDIF |
| 95 |
stephd |
1.1 |
|
| 96 |
jmc |
1.15 |
C read from a file (note: |
| 97 |
|
|
C dic_int2=number entries to read |
| 98 |
|
|
C dic_int3=start timestep, |
| 99 |
|
|
C dic_int4=timestep between file entries) |
| 100 |
|
|
IF (dic_int1.EQ.2) THEN |
| 101 |
|
|
C linearly interpolate between file entries |
| 102 |
|
|
ntim=int((myIter-dic_int3)/dic_int4)+1 |
| 103 |
|
|
aWght = FLOAT(myIter-dic_int3) |
| 104 |
|
|
bWght = FLOAT(dic_int4) |
| 105 |
|
|
aWght = 0.5 _d 0 + aWght/bWght - FLOAT(ntim-1) |
| 106 |
|
|
IF (aWght.GT.1. _d 0) THEN |
| 107 |
|
|
ntim=ntim+1 |
| 108 |
|
|
aWght=aWght-1. _d 0 |
| 109 |
|
|
ENDIF |
| 110 |
|
|
bWght = 1. _d 0 - aWght |
| 111 |
|
|
tmp=co2atmos(ntim)*bWght+co2atmos(ntim+1)*aWght |
| 112 |
|
|
WRITE(ioUnit,*) 'weights',ntim, aWght, bWght, tmp |
| 113 |
|
|
|
| 114 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
| 115 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 116 |
|
|
DO j=1-OLy,sNy+OLy |
| 117 |
stephd |
1.1 |
DO i=1-OLx,sNx+OLx |
| 118 |
|
|
AtmospCO2(i,j,bi,bj)=tmp |
| 119 |
|
|
ENDDO |
| 120 |
|
|
ENDDO |
| 121 |
jmc |
1.15 |
ENDDO |
| 122 |
|
|
ENDDO |
| 123 |
stephd |
1.1 |
|
| 124 |
jmc |
1.15 |
ENDIF |
| 125 |
stephd |
1.1 |
|
| 126 |
jmc |
1.15 |
C interactive atmosphere |
| 127 |
|
|
IF (dic_int1.EQ.3) THEN |
| 128 |
stephd |
1.1 |
|
| 129 |
jmc |
1.15 |
C Mass dry atmosphere = (5.1352+/-0.0003)d18 kg (Trenberth & Smith, |
| 130 |
|
|
C Journal of Climate 2005) |
| 131 |
|
|
C and Mean molecular mass air = 28.97 g/mol (NASA earth fact sheet) |
| 132 |
stephd |
1.3 |
total_atmos_moles= 1.77 _d 20 |
| 133 |
jmc |
1.15 |
C for 278ppmv we need total_atmos_carbon=4.9206e+16 |
| 134 |
stephd |
1.1 |
|
| 135 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
| 136 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 137 |
jmc |
1.15 |
tile_flux(bi,bj) = 0. |
| 138 |
|
|
tile_carbon(bi,bj) = 0. |
| 139 |
|
|
IF (istate.GT.0) THEN |
| 140 |
|
|
DO j=1,sNy |
| 141 |
|
|
DO i=1,sNx |
| 142 |
|
|
tile_flux(bi,bj) = tile_flux(bi,bj) |
| 143 |
|
|
& + FluxCO2(i,j,bi,bj)*rA(i,j,bi,bj) |
| 144 |
|
|
& *maskC(i,j,1,bi,bj)*dTtracerLev(1) |
| 145 |
|
|
ENDDO |
| 146 |
|
|
ENDDO |
| 147 |
|
|
ENDIF |
| 148 |
|
|
DO k=1,Nr |
| 149 |
stephd |
1.1 |
DO j=1,sNy |
| 150 |
jmc |
1.15 |
DO i=1,sNx |
| 151 |
|
|
tile_carbon(bi,bj) = tile_carbon(bi,bj) |
| 152 |
|
|
& + ( pTracer(i,j,k,bi,bj,1) |
| 153 |
dfer |
1.7 |
#ifdef DIC_BIOTIC |
| 154 |
jmc |
1.15 |
& +R_cp*pTracer(i,j,k,bi,bj,4) |
| 155 |
dfer |
1.7 |
#endif |
| 156 |
jmc |
1.15 |
& ) * rA(i,j,bi,bj) |
| 157 |
|
|
& *drF(k)*hFacC(i,j,k,bi,bj) |
| 158 |
|
|
ENDDO |
| 159 |
stephd |
1.1 |
ENDDO |
| 160 |
|
|
ENDDO |
| 161 |
|
|
ENDDO |
| 162 |
|
|
ENDDO |
| 163 |
stephd |
1.2 |
|
| 164 |
jmc |
1.15 |
CALL GLOBAL_SUM_TILE_RL( tile_flux, total_flux, myThid ) |
| 165 |
|
|
CALL GLOBAL_SUM_TILE_RL( tile_carbon, total_carbon, myThid ) |
| 166 |
stephd |
1.1 |
|
| 167 |
jmc |
1.15 |
IF (istate.EQ.0) THEN |
| 168 |
|
|
C use dic_pCO2 as initial atmospheric pCO2 (not restart case): |
| 169 |
|
|
_BEGIN_MASTER(myThid) |
| 170 |
|
|
atpco2 = dic_pCO2 |
| 171 |
|
|
total_atmos_carbon = total_atmos_moles*dic_pCO2 |
| 172 |
|
|
_END_MASTER(myThid) |
| 173 |
|
|
IF ( nIter0.GT.PTRACERS_Iter0 .OR. |
| 174 |
|
|
& (nIter0.EQ.PTRACERS_Iter0 .AND. pickupSuff.NE.' ') |
| 175 |
|
|
& ) THEN |
| 176 |
|
|
C restart case: read previous atmospheric CO2 content & pCO2 from pickup file |
| 177 |
|
|
CALL DIC_READ_CO2_PICKUP( nIter0, myThid ) |
| 178 |
|
|
ENDIF |
| 179 |
|
|
_BEGIN_MASTER(myThid) |
| 180 |
|
|
C store initial content: |
| 181 |
|
|
total_ocean_carbon_start=total_carbon |
| 182 |
|
|
total_atmos_carbon_start=total_atmos_carbon |
| 183 |
|
|
total_ocean_carbon_old = total_carbon |
| 184 |
|
|
total_atmos_carbon_old = total_atmos_carbon |
| 185 |
|
|
_END_MASTER(myThid) |
| 186 |
|
|
ELSE |
| 187 |
|
|
_BEGIN_MASTER(myThid) |
| 188 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 189 |
|
|
atpco2 = dic_pCO2 |
| 190 |
stephd |
1.14 |
#endif |
| 191 |
jmc |
1.15 |
C store previous content: |
| 192 |
|
|
total_ocean_carbon_old = total_ocean_carbon |
| 193 |
|
|
total_atmos_carbon_old = total_atmos_carbon |
| 194 |
|
|
C calculate new atmos pCO2 |
| 195 |
|
|
total_atmos_carbon = total_atmos_carbon - total_flux |
| 196 |
|
|
_END_MASTER(myThid) |
| 197 |
stephd |
1.14 |
ENDIF |
| 198 |
jmc |
1.15 |
_BEGIN_MASTER(myThid) |
| 199 |
|
|
total_ocean_carbon = total_carbon |
| 200 |
|
|
atpco2 = total_atmos_carbon/total_atmos_moles |
| 201 |
stephd |
1.14 |
|
| 202 |
jmc |
1.15 |
WRITE(ioUnit,*) 'QQ atmos C, total, pCo2', |
| 203 |
|
|
& total_atmos_carbon, atpco2 |
| 204 |
|
|
total_carbon=total_atmos_carbon + total_ocean_carbon |
| 205 |
|
|
total_carbon_old=total_atmos_carbon_old + total_ocean_carbon_old |
| 206 |
|
|
carbon_diff=total_carbon-total_carbon_old |
| 207 |
|
|
WRITE(ioUnit,*) 'QQ total C, current, old, diff', |
| 208 |
|
|
& total_carbon, total_carbon_old, carbon_diff |
| 209 |
|
|
carbon_diff=total_ocean_carbon-total_ocean_carbon_old |
| 210 |
|
|
WRITE(ioUnit,*) 'QQ ocean C, current, old, diff', |
| 211 |
|
|
& total_ocean_carbon, total_ocean_carbon_old, carbon_diff |
| 212 |
|
|
WRITE(ioUnit,*) 'QQ air-sea flux, addition diff', |
| 213 |
|
|
& total_flux, carbon_diff-total_flux |
| 214 |
|
|
|
| 215 |
|
|
C if end of forcing cycle, find total change in ocean carbon |
| 216 |
|
|
IF (istate.EQ.0) THEN |
| 217 |
|
|
total_ocean_carbon_year = total_ocean_carbon |
| 218 |
|
|
total_atmos_carbon_year = total_atmos_carbon |
| 219 |
|
|
ELSE |
| 220 |
|
|
timeCO2budget = |
| 221 |
|
|
& DIFFERENT_MULTIPLE(externForcingCycle,myTime,deltaTClock) |
| 222 |
|
|
IF ( timeCO2budget ) THEN |
| 223 |
|
|
year_diff_ocean = total_ocean_carbon-total_ocean_carbon_year |
| 224 |
|
|
year_diff_atmos = total_atmos_carbon-total_atmos_carbon_year |
| 225 |
|
|
year_total = (total_ocean_carbon+total_atmos_carbon) - |
| 226 |
|
|
& (total_ocean_carbon_year+total_atmos_carbon_year) |
| 227 |
|
|
start_diff_ocean = total_ocean_carbon-total_ocean_carbon_start |
| 228 |
|
|
start_diff_atmos = total_atmos_carbon-total_atmos_carbon_start |
| 229 |
|
|
start_total = (total_ocean_carbon+total_atmos_carbon) - |
| 230 |
|
|
& (total_ocean_carbon_start+total_atmos_carbon_start) |
| 231 |
|
|
WRITE(ioUnit,*) 'QQ YEAR END' |
| 232 |
|
|
WRITE(ioUnit,*) 'year diff: ocean, atmos, total', |
| 233 |
|
|
& year_diff_ocean, year_diff_atmos, year_total |
| 234 |
|
|
WRITE(ioUnit,*) 'start diff: ocean, atmos, total ', |
| 235 |
|
|
& start_diff_ocean, start_diff_atmos, start_total |
| 236 |
|
|
|
| 237 |
|
|
total_ocean_carbon_year = total_ocean_carbon |
| 238 |
|
|
total_atmos_carbon_year = total_atmos_carbon |
| 239 |
|
|
ENDIF |
| 240 |
|
|
ENDIF |
| 241 |
stephd |
1.1 |
|
| 242 |
jmc |
1.15 |
_END_MASTER(myThid) |
| 243 |
|
|
_BARRIER |
| 244 |
stephd |
1.1 |
|
| 245 |
jmc |
1.15 |
C-- Set AtmospCO2 for next iteration: |
| 246 |
stephd |
1.1 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 247 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 248 |
|
|
DO j=1-OLy,sNy+OLy |
| 249 |
|
|
DO i=1-OLx,sNx+OLx |
| 250 |
jmc |
1.15 |
AtmospCO2(i,j,bi,bj) = atpco2 |
| 251 |
stephd |
1.1 |
ENDDO |
| 252 |
|
|
ENDDO |
| 253 |
|
|
ENDDO |
| 254 |
dfer |
1.12 |
ENDDO |
| 255 |
stephd |
1.1 |
|
| 256 |
jmc |
1.15 |
ENDIF |
| 257 |
stephd |
1.1 |
|
| 258 |
jmc |
1.15 |
#endif /* ndef USE_ATMOSCO2 */ |
| 259 |
stephd |
1.1 |
|
| 260 |
jmc |
1.15 |
#endif /* ALLOW_DIC */ |
| 261 |
stephd |
1.1 |
|
| 262 |
jmc |
1.6 |
RETURN |
| 263 |
|
|
END |
Parent Directory
| 
Revision Log
| 
Revision Graph