| 1 |
C $Header: /u/gcmpack/MITgcm/pkg/fizhi/fizhi_init_chem.F,v 1.11 2004/07/28 01:25:07 molod Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "FIZHI_OPTIONS.h" |
| 5 |
subroutine fizhi_init_chem(mythid,nozlats,nozlevs,ntimesoz, |
| 6 |
. ozlats,ozlevs,o3, |
| 7 |
. nwatlats,nwatlevs,ntimesq,watlats,watlevs,water, |
| 8 |
. Nrphys,pressure,n2o,methane,co2,cfc11,cfc12,cfc22) |
| 9 |
C*********************************************************************** |
| 10 |
C Subroutine fizhi_init_chem - routine to read in the ozone and upper |
| 11 |
C atmosphere water vapor, and set the methane, n2o and cfc values |
| 12 |
C |
| 13 |
C INPUT: |
| 14 |
C |
| 15 |
C mythid - thread number (processor number) |
| 16 |
C |
| 17 |
C OUTPUT: |
| 18 |
C |
| 19 |
C*********************************************************************** |
| 20 |
implicit none |
| 21 |
integer mythid,nozlevs,nozlats,nwatlevs,nwatlats,Nrphys |
| 22 |
integer ntimesoz,ntimesq |
| 23 |
_RL o3(nozlats,nozlevs,ntimesoz) |
| 24 |
_RL water(nwatlats,nwatlevs,ntimesq) |
| 25 |
_RL ozlats(nozlats), ozlevs(nozlevs) |
| 26 |
_RL watlats(nwatlats), watlevs(nwatlevs) |
| 27 |
_RL pressure(Nrphys),methane(Nrphys),n2o(Nrphys) |
| 28 |
_RL co2,cfc11,cfc12,cfc22 |
| 29 |
|
| 30 |
_RL getcon |
| 31 |
integer kqz,koz |
| 32 |
call mdsfindunit( kqz, myThid ) |
| 33 |
call mdsfindunit( koz, myThid ) |
| 34 |
|
| 35 |
call read_qz (kqz,water,watlats,watlevs,nwatlats,nwatlevs,ntimesq) |
| 36 |
call read_oz (koz,o3,ozlats,ozlevs,nozlats,nozlevs,ntimesoz) |
| 37 |
|
| 38 |
call get_methane_n2o (pressure,Nrphys,n2o,methane) |
| 39 |
|
| 40 |
co2 = getcon('CO2' )*1.e-6 |
| 41 |
cfc11 = getcon('CFC11')*1.e-9 |
| 42 |
cfc12 = getcon('CFC12')*1.e-9 |
| 43 |
cfc22 = getcon('CFC22')*1.e-9 |
| 44 |
|
| 45 |
RETURN |
| 46 |
END |
| 47 |
|
| 48 |
subroutine read_qz (ku,qz,lats,levs,nlat,nlev,ntime) |
| 49 |
C*********************************************************************** |
| 50 |
C PURPOSE |
| 51 |
C To Read Stratospheric Moisture Data |
| 52 |
C |
| 53 |
C ARGUMENTS DESCRIPTION |
| 54 |
C ku ...... Unit to Read Moisture Data |
| 55 |
C qz ...... Stratospheric Moisture Data |
| 56 |
C lats .... Stratospheric Moisture Data Latitudes (degrees) |
| 57 |
C levs .... Stratospheric Moisture Data Levels (mb) |
| 58 |
C nlat .... Number of ozone latitudes |
| 59 |
C nlev .... Number of ozone levels |
| 60 |
C ntime ... Number of ozone time values |
| 61 |
C |
| 62 |
C*********************************************************************** |
| 63 |
|
| 64 |
implicit none |
| 65 |
integer ku,nlat,nlev,ntime |
| 66 |
|
| 67 |
_RL qz(nlat,nlev,ntime) |
| 68 |
_RL lats(nlat) |
| 69 |
_RL levs(nlev) |
| 70 |
|
| 71 |
integer time |
| 72 |
integer lat |
| 73 |
integer lev |
| 74 |
|
| 75 |
_RL voltomas |
| 76 |
parameter ( voltomas = 0.622e-6 ) |
| 77 |
|
| 78 |
open(ku,file='sage.data',form='formatted') |
| 79 |
rewind ku |
| 80 |
|
| 81 |
c Set Moisture Data Latitudes |
| 82 |
c --------------------------- |
| 83 |
do lat = 1,nlat |
| 84 |
lats(lat) = -85. + (lat-1)*10. |
| 85 |
enddo |
| 86 |
|
| 87 |
c Read Moisture Pressure Levels |
| 88 |
c ----------------------------- |
| 89 |
read(ku,1000) (levs(lev),lev=1,nlev) |
| 90 |
|
| 91 |
c Read Moisture Amounts by Month and Level |
| 92 |
c ---------------------------------------- |
| 93 |
do time=1,ntime |
| 94 |
read (ku,1001) |
| 95 |
do lat=1,nlat |
| 96 |
read(ku,1000) (qz(lat,lev,time),lev=1,nlev) |
| 97 |
enddo |
| 98 |
enddo |
| 99 |
|
| 100 |
c Convert from Volume Mixing Ratio to Mass Mixing Ratio |
| 101 |
c ----------------------------------------------------- |
| 102 |
do time = 1,ntime |
| 103 |
do lev = 1,nlev |
| 104 |
do lat = 1,nlat |
| 105 |
qz(lat,lev,time) = qz(lat,lev,time)*voltomas |
| 106 |
enddo |
| 107 |
enddo |
| 108 |
enddo |
| 109 |
|
| 110 |
1000 format (3(5x,7(2x,f6.1)/)) |
| 111 |
1001 format (1x) |
| 112 |
return |
| 113 |
end |
| 114 |
|
| 115 |
subroutine read_oz (ku,oz,lats,levs,nlat,nlev,ntime) |
| 116 |
C*********************************************************************** |
| 117 |
C PURPOSE |
| 118 |
C To Read Ozone Value |
| 119 |
C |
| 120 |
C ARGUMENTS DESCRIPTION |
| 121 |
C ku ...... Unit to Read Ozone Data |
| 122 |
C oz ...... Ozone Data |
| 123 |
C lats .... Ozone Data Latitudes (degrees) |
| 124 |
C levs .... Ozone Data Levels (mb) |
| 125 |
C nlat .... Number of ozone latitudes |
| 126 |
C nlev .... Number of ozone levels |
| 127 |
C ntime ... Number of ozone time values |
| 128 |
C |
| 129 |
C*********************************************************************** |
| 130 |
|
| 131 |
implicit none |
| 132 |
integer ku,nlat,nlev,ntime |
| 133 |
|
| 134 |
_RL oz(nlat,nlev,ntime) |
| 135 |
real*4 o3(nlat) |
| 136 |
_RL lats(nlat) |
| 137 |
_RL levs(nlev) |
| 138 |
|
| 139 |
integer time |
| 140 |
integer lat |
| 141 |
integer lev |
| 142 |
integer nrec |
| 143 |
|
| 144 |
_RL plevs(34) |
| 145 |
data plevs/ 0.003, 0.005, 0.007, 0.01, 0.015, 0.02, 0.03, 0.05, |
| 146 |
. 0.07, 0.1, 0.15, 0.2, 0.3, 0.5, 0.7, 1.0, 1.5, 2.0, |
| 147 |
. 3.0, 5.0, 7.0, 10.0, 15.0, 20.0, 30.0, 50.0, 70.0, |
| 148 |
. 100.0, 150.0, 200.0, 300.0, 500.0, 700.0, 1000.0 / |
| 149 |
|
| 150 |
c Set Ozone Data Latitudes |
| 151 |
c ------------------------ |
| 152 |
do lat = 1,nlat |
| 153 |
lats(lat) = -90. + (lat-1)*5. |
| 154 |
enddo |
| 155 |
|
| 156 |
c Set Ozone Data Levels |
| 157 |
c ------------------------ |
| 158 |
do lev = 1,nlev |
| 159 |
levs(lev) = plevs(lev) |
| 160 |
enddo |
| 161 |
|
| 162 |
c Read Ozone Amounts by Month and Level |
| 163 |
c ------------------------------------- |
| 164 |
close (ku) |
| 165 |
open(ku,file='gcmo3.data',form='unformatted',access='direct', |
| 166 |
. recl=nlat*4) |
| 167 |
|
| 168 |
do time=1,ntime |
| 169 |
do lev=1,nlev |
| 170 |
C Note: 2 quantities in Ozone Dataset |
| 171 |
nrec = lev+(time-1)*nlev*2 |
| 172 |
read(ku,rec=nrec) o3 |
| 173 |
call mds_byteswapr4(nlat,o3) |
| 174 |
do lat=1,nlat |
| 175 |
oz(lat,nlev-lev+1,time) = o3(lat) |
| 176 |
enddo |
| 177 |
enddo |
| 178 |
enddo |
| 179 |
|
| 180 |
close (ku) |
| 181 |
return |
| 182 |
end |
| 183 |
|
| 184 |
subroutine get_methane_n2o (pres,Nrphys,n2o,methane) |
| 185 |
C*********************************************************************** |
| 186 |
C PURPOSE |
| 187 |
C Compute methane and n2o |
| 188 |
C |
| 189 |
C ARGUMENTS DESCRIPTION |
| 190 |
C |
| 191 |
C*********************************************************************** |
| 192 |
C* Climatological Annual and Global Mean Height Data * |
| 193 |
C*********************************************************************** |
| 194 |
|
| 195 |
implicit none |
| 196 |
|
| 197 |
integer Nrphys |
| 198 |
_RL n2o(Nrphys),methane(Nrphys) |
| 199 |
_RL pres(Nrphys) |
| 200 |
_RL hght(Nrphys), slope,pr1,pr2,hpr1,hpr2 |
| 201 |
integer L,L1,L2,lup,ldn |
| 202 |
|
| 203 |
_RL plevc (46), plevz(46) |
| 204 |
_RL hghtc (46), hghtz(46) |
| 205 |
|
| 206 |
data plevc /1000.00, 975.00, 950.00, 925.00, 900.00, |
| 207 |
. 875.00, 850.00, 825.00, 800.00, 750.00, |
| 208 |
. 700.00, 650.00, 600.00, 550.00, 500.00, |
| 209 |
. 450.00, 400.00, 350.00, 300.00, 250.00, |
| 210 |
. 200.00, 150.00, 100.00, 70.00, 50.00, |
| 211 |
. 40.00, 30.00, 20.00, 10.00, 7.00, |
| 212 |
. 5.00, 4.00, 3.00, 2.00, 1.00, |
| 213 |
. 0.70, 0.50, 0.40, 0.30, 0.20, |
| 214 |
. 0.10, 0.07, 0.05, 0.04, 0.03, |
| 215 |
. 0.02 / |
| 216 |
|
| 217 |
data hghtc/ 0.128733 , 0.316985 , 0.528275 , 0.749515 , 0.976471 , |
| 218 |
. 1.208910 , 1.446800 , 1.690980 , 1.941630 , 2.463530 , |
| 219 |
. 3.016200 , 3.603490 , 4.229410 , 4.899870 , 5.622320 , |
| 220 |
. 6.405940 , 7.263450 , 8.211920 , 9.275540 , 10.49150 , |
| 221 |
. 11.92420 , 13.70200 , 16.12980 , 18.24120 , 20.26480 , |
| 222 |
. 21.63100 , 23.41250 , 25.96570 , 30.45890 , 32.85240 , |
| 223 |
. 35.17360 , 36.75040 , 38.82900 , 41.84600 , 47.15580 , |
| 224 |
. 49.90100 , 52.46230 , 54.13890 , 56.26340 , 59.17640 , |
| 225 |
. 63.89980 , 66.20240 , 68.29210 , 69.63550 , 71.32330 , |
| 226 |
. 73.62110 / |
| 227 |
|
| 228 |
do L=1,46 |
| 229 |
plevz(L) = plevc(47-L) |
| 230 |
hghtz(L) = hghtc(47-L) |
| 231 |
enddo |
| 232 |
|
| 233 |
C ********************************************************************** |
| 234 |
C Interpolate Heights to Model Pressures **** |
| 235 |
C ********************************************************************** |
| 236 |
|
| 237 |
do L2 = 1,Nrphys |
| 238 |
|
| 239 |
do L1 = 1,46 |
| 240 |
if( plevz(L1).gt.pres(L2) ) then |
| 241 |
if( L1.eq.1 ) then |
| 242 |
lup = 1 |
| 243 |
ldn = 2 |
| 244 |
else |
| 245 |
lup = L1-1 |
| 246 |
ldn = L1 |
| 247 |
endif |
| 248 |
goto 10 |
| 249 |
endif |
| 250 |
enddo |
| 251 |
lup = 45 |
| 252 |
ldn = 46 |
| 253 |
|
| 254 |
10 continue |
| 255 |
pr1 = plevz(lup) |
| 256 |
pr2 = plevz(ldn) |
| 257 |
hpr1 = hghtz(lup) |
| 258 |
hpr2 = hghtz(ldn) |
| 259 |
|
| 260 |
slope = ( hpr1-hpr2 )/( pr1-pr2 ) |
| 261 |
hght(L2) = hpr2 + ( pres(L2)-pr2 )*slope |
| 262 |
|
| 263 |
enddo |
| 264 |
|
| 265 |
C ********************************************************************** |
| 266 |
C Set the profiles of N2O and CH4 based on Bresser and Pawson 1996 **** |
| 267 |
C ********************************************************************** |
| 268 |
|
| 269 |
do L = 1,Nrphys |
| 270 |
if( hght(L).gt.26. ) then |
| 271 |
n2o(L) = 120.* exp( (26.- hght(L)) / 5.69 ) * 1.e-9 |
| 272 |
else if( hght(L).gt.16. ) then |
| 273 |
n2o(L) = 307.* exp( (16.- hght(L)) /10.47 ) * 1.e-9 |
| 274 |
else |
| 275 |
n2o(L) = 307.e-9 |
| 276 |
endif |
| 277 |
enddo |
| 278 |
|
| 279 |
do L = 1,Nrphys |
| 280 |
if( hght(L).gt.55. ) then |
| 281 |
methane(L) = 0.2e-6 |
| 282 |
else if( hght(L).gt.14. ) then |
| 283 |
methane(L) = 1.7* exp( (14.- hght(L)) /19.16 ) * 1.e-6 |
| 284 |
else |
| 285 |
methane(L) = 1.7e-6 |
| 286 |
endif |
| 287 |
enddo |
| 288 |
|
| 289 |
return |
| 290 |
end |
Parent Directory
| 
Revision Log
| 
Revision Graph