| 1 |
molod |
1.12 |
C $Header: /u/gcmpack/MITgcm/pkg/fizhi/fizhi_init_chem.F,v 1.11 2004/07/28 01:25:07 molod Exp $ |
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molod |
1.1 |
C $Name: $ |
| 3 |
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| 4 |
molod |
1.9 |
#include "FIZHI_OPTIONS.h" |
| 5 |
molod |
1.7 |
subroutine fizhi_init_chem(mythid,nozlats,nozlevs,ntimesoz, |
| 6 |
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. ozlats,ozlevs,o3, |
| 7 |
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. nwatlats,nwatlevs,ntimesq,watlats,watlevs,water, |
| 8 |
molod |
1.6 |
. Nrphys,pressure,n2o,methane,co2,cfc11,cfc12,cfc22) |
| 9 |
molod |
1.1 |
C*********************************************************************** |
| 10 |
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C Subroutine fizhi_init_chem - routine to read in the ozone and upper |
| 11 |
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C atmosphere water vapor, and set the methane, n2o and cfc values |
| 12 |
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C |
| 13 |
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C INPUT: |
| 14 |
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C |
| 15 |
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C mythid - thread number (processor number) |
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C |
| 17 |
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C OUTPUT: |
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C |
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C*********************************************************************** |
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implicit none |
| 21 |
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integer mythid,nozlevs,nozlats,nwatlevs,nwatlats,Nrphys |
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molod |
1.7 |
integer ntimesoz,ntimesq |
| 23 |
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_RL o3(nozlats,nozlevs,ntimesoz) |
| 24 |
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_RL water(nwatlats,nwatlevs,ntimesq) |
| 25 |
molod |
1.1 |
_RL ozlats(nozlats), ozlevs(nozlevs) |
| 26 |
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_RL watlats(nwatlats), watlevs(nwatlevs) |
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_RL pressure(Nrphys),methane(Nrphys),n2o(Nrphys) |
| 28 |
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_RL co2,cfc11,cfc12,cfc22 |
| 29 |
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| 30 |
molod |
1.9 |
_RL getcon |
| 31 |
molod |
1.6 |
integer kqz,koz |
| 32 |
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call mdsfindunit( kqz, myThid ) |
| 33 |
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call mdsfindunit( koz, myThid ) |
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molod |
1.1 |
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| 35 |
molod |
1.7 |
call read_qz (kqz,water,watlats,watlevs,nwatlats,nwatlevs,ntimesq) |
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call read_oz (koz,o3,ozlats,ozlevs,nozlats,nozlevs,ntimesoz) |
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molod |
1.6 |
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| 38 |
molod |
1.1 |
call get_methane_n2o (pressure,Nrphys,n2o,methane) |
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molod |
1.6 |
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| 40 |
molod |
1.1 |
co2 = getcon('CO2' )*1.e-6 |
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cfc11 = getcon('CFC11')*1.e-9 |
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cfc12 = getcon('CFC12')*1.e-9 |
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cfc22 = getcon('CFC22')*1.e-9 |
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RETURN |
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END |
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| 48 |
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subroutine read_qz (ku,qz,lats,levs,nlat,nlev,ntime) |
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C*********************************************************************** |
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C PURPOSE |
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C To Read Stratospheric Moisture Data |
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C |
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C ARGUMENTS DESCRIPTION |
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C ku ...... Unit to Read Moisture Data |
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C qz ...... Stratospheric Moisture Data |
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C lats .... Stratospheric Moisture Data Latitudes (degrees) |
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C levs .... Stratospheric Moisture Data Levels (mb) |
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C nlat .... Number of ozone latitudes |
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C nlev .... Number of ozone levels |
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C ntime ... Number of ozone time values |
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C |
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C*********************************************************************** |
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implicit none |
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integer ku,nlat,nlev,ntime |
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molod |
1.6 |
_RL qz(nlat,nlev,ntime) |
| 68 |
molod |
1.3 |
_RL lats(nlat) |
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_RL levs(nlev) |
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molod |
1.1 |
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integer time |
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integer lat |
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integer lev |
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molod |
1.9 |
_RL voltomas |
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molod |
1.1 |
parameter ( voltomas = 0.622e-6 ) |
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molod |
1.7 |
open(ku,file='sage.data',form='formatted') |
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molod |
1.1 |
rewind ku |
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c Set Moisture Data Latitudes |
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c --------------------------- |
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do lat = 1,nlat |
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lats(lat) = -85. + (lat-1)*10. |
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enddo |
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c Read Moisture Pressure Levels |
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c ----------------------------- |
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read(ku,1000) (levs(lev),lev=1,nlev) |
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c Read Moisture Amounts by Month and Level |
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c ---------------------------------------- |
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do time=1,ntime |
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read (ku,1001) |
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do lat=1,nlat |
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read(ku,1000) (qz(lat,lev,time),lev=1,nlev) |
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enddo |
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enddo |
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c Convert from Volume Mixing Ratio to Mass Mixing Ratio |
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c ----------------------------------------------------- |
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do time = 1,ntime |
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do lev = 1,nlev |
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do lat = 1,nlat |
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qz(lat,lev,time) = qz(lat,lev,time)*voltomas |
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enddo |
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enddo |
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enddo |
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1000 format (3(5x,7(2x,f6.1)/)) |
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1001 format (1x) |
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return |
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end |
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| 115 |
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subroutine read_oz (ku,oz,lats,levs,nlat,nlev,ntime) |
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C*********************************************************************** |
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C PURPOSE |
| 118 |
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C To Read Ozone Value |
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C |
| 120 |
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C ARGUMENTS DESCRIPTION |
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C ku ...... Unit to Read Ozone Data |
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C oz ...... Ozone Data |
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C lats .... Ozone Data Latitudes (degrees) |
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C levs .... Ozone Data Levels (mb) |
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C nlat .... Number of ozone latitudes |
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C nlev .... Number of ozone levels |
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C ntime ... Number of ozone time values |
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C |
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C*********************************************************************** |
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implicit none |
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integer ku,nlat,nlev,ntime |
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_RL oz(nlat,nlev,ntime) |
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molod |
1.10 |
real*4 o3(nlat) |
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molod |
1.3 |
_RL lats(nlat) |
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_RL levs(nlev) |
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molod |
1.1 |
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integer time |
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integer lat |
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integer lev |
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integer nrec |
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| 144 |
molod |
1.3 |
_RL plevs(34) |
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molod |
1.1 |
data plevs/ 0.003, 0.005, 0.007, 0.01, 0.015, 0.02, 0.03, 0.05, |
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. 0.07, 0.1, 0.15, 0.2, 0.3, 0.5, 0.7, 1.0, 1.5, 2.0, |
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. 3.0, 5.0, 7.0, 10.0, 15.0, 20.0, 30.0, 50.0, 70.0, |
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. 100.0, 150.0, 200.0, 300.0, 500.0, 700.0, 1000.0 / |
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| 150 |
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c Set Ozone Data Latitudes |
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c ------------------------ |
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do lat = 1,nlat |
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lats(lat) = -90. + (lat-1)*5. |
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enddo |
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| 156 |
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c Set Ozone Data Levels |
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c ------------------------ |
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do lev = 1,nlev |
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levs(lev) = plevs(lev) |
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enddo |
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c Read Ozone Amounts by Month and Level |
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c ------------------------------------- |
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close (ku) |
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molod |
1.7 |
open(ku,file='gcmo3.data',form='unformatted',access='direct', |
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. recl=nlat*4) |
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molod |
1.1 |
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| 168 |
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do time=1,ntime |
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do lev=1,nlev |
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molod |
1.5 |
C Note: 2 quantities in Ozone Dataset |
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nrec = lev+(time-1)*nlev*2 |
| 172 |
molod |
1.1 |
read(ku,rec=nrec) o3 |
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molod |
1.12 |
call mds_byteswapr4(nlat,o3) |
| 174 |
molod |
1.1 |
do lat=1,nlat |
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molod |
1.12 |
oz(lat,nlev-lev+1,time) = o3(lat) |
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molod |
1.1 |
enddo |
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enddo |
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enddo |
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close (ku) |
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return |
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end |
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subroutine get_methane_n2o (pres,Nrphys,n2o,methane) |
| 185 |
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C*********************************************************************** |
| 186 |
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C PURPOSE |
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C Compute methane and n2o |
| 188 |
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C |
| 189 |
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C ARGUMENTS DESCRIPTION |
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C |
| 191 |
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C*********************************************************************** |
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C* Climatological Annual and Global Mean Height Data * |
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C*********************************************************************** |
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implicit none |
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molod |
1.6 |
integer Nrphys |
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molod |
1.1 |
_RL n2o(Nrphys),methane(Nrphys) |
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_RL pres(Nrphys) |
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molod |
1.3 |
_RL hght(Nrphys), slope,pr1,pr2,hpr1,hpr2 |
| 201 |
molod |
1.1 |
integer L,L1,L2,lup,ldn |
| 202 |
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| 203 |
molod |
1.3 |
_RL plevc (46), plevz(46) |
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_RL hghtc (46), hghtz(46) |
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molod |
1.1 |
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| 206 |
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data plevc /1000.00, 975.00, 950.00, 925.00, 900.00, |
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. 875.00, 850.00, 825.00, 800.00, 750.00, |
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. 700.00, 650.00, 600.00, 550.00, 500.00, |
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. 450.00, 400.00, 350.00, 300.00, 250.00, |
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. 200.00, 150.00, 100.00, 70.00, 50.00, |
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. 40.00, 30.00, 20.00, 10.00, 7.00, |
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. 5.00, 4.00, 3.00, 2.00, 1.00, |
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. 0.70, 0.50, 0.40, 0.30, 0.20, |
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. 0.10, 0.07, 0.05, 0.04, 0.03, |
| 215 |
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. 0.02 / |
| 216 |
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| 217 |
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data hghtc/ 0.128733 , 0.316985 , 0.528275 , 0.749515 , 0.976471 , |
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. 1.208910 , 1.446800 , 1.690980 , 1.941630 , 2.463530 , |
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. 3.016200 , 3.603490 , 4.229410 , 4.899870 , 5.622320 , |
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. 6.405940 , 7.263450 , 8.211920 , 9.275540 , 10.49150 , |
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. 11.92420 , 13.70200 , 16.12980 , 18.24120 , 20.26480 , |
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. 21.63100 , 23.41250 , 25.96570 , 30.45890 , 32.85240 , |
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. 35.17360 , 36.75040 , 38.82900 , 41.84600 , 47.15580 , |
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. 49.90100 , 52.46230 , 54.13890 , 56.26340 , 59.17640 , |
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. 63.89980 , 66.20240 , 68.29210 , 69.63550 , 71.32330 , |
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. 73.62110 / |
| 227 |
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| 228 |
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do L=1,46 |
| 229 |
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plevz(L) = plevc(47-L) |
| 230 |
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hghtz(L) = hghtc(47-L) |
| 231 |
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enddo |
| 232 |
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| 233 |
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C ********************************************************************** |
| 234 |
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C Interpolate Heights to Model Pressures **** |
| 235 |
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C ********************************************************************** |
| 236 |
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| 237 |
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do L2 = 1,Nrphys |
| 238 |
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| 239 |
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do L1 = 1,46 |
| 240 |
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if( plevz(L1).gt.pres(L2) ) then |
| 241 |
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if( L1.eq.1 ) then |
| 242 |
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lup = 1 |
| 243 |
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ldn = 2 |
| 244 |
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else |
| 245 |
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lup = L1-1 |
| 246 |
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ldn = L1 |
| 247 |
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endif |
| 248 |
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goto 10 |
| 249 |
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endif |
| 250 |
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enddo |
| 251 |
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lup = 45 |
| 252 |
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ldn = 46 |
| 253 |
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| 254 |
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10 continue |
| 255 |
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pr1 = plevz(lup) |
| 256 |
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pr2 = plevz(ldn) |
| 257 |
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hpr1 = hghtz(lup) |
| 258 |
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hpr2 = hghtz(ldn) |
| 259 |
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| 260 |
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slope = ( hpr1-hpr2 )/( pr1-pr2 ) |
| 261 |
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hght(L2) = hpr2 + ( pres(L2)-pr2 )*slope |
| 262 |
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| 263 |
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enddo |
| 264 |
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| 265 |
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C ********************************************************************** |
| 266 |
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C Set the profiles of N2O and CH4 based on Bresser and Pawson 1996 **** |
| 267 |
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C ********************************************************************** |
| 268 |
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| 269 |
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do L = 1,Nrphys |
| 270 |
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if( hght(L).gt.26. ) then |
| 271 |
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n2o(L) = 120.* exp( (26.- hght(L)) / 5.69 ) * 1.e-9 |
| 272 |
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else if( hght(L).gt.16. ) then |
| 273 |
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n2o(L) = 307.* exp( (16.- hght(L)) /10.47 ) * 1.e-9 |
| 274 |
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else |
| 275 |
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n2o(L) = 307.e-9 |
| 276 |
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endif |
| 277 |
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enddo |
| 278 |
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| 279 |
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do L = 1,Nrphys |
| 280 |
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if( hght(L).gt.55. ) then |
| 281 |
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methane(L) = 0.2e-6 |
| 282 |
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else if( hght(L).gt.14. ) then |
| 283 |
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methane(L) = 1.7* exp( (14.- hght(L)) /19.16 ) * 1.e-6 |
| 284 |
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else |
| 285 |
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methane(L) = 1.7e-6 |
| 286 |
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endif |
| 287 |
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enddo |
| 288 |
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| 289 |
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return |
| 290 |
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end |
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