#include "ctrparam.h" SUBROUTINE GTREND(XGAS,YEART,NGAS) 9155.9 C 9156. C-----------------------------------------------------------------------9156.1 C T-GAS SCENARIO G: 9156.2 C 9156.3 C 9156.4 C CO2: 9156.5 C x.xx/YR INCREASE form YEART 9156.6 C 9156.7 C N2O, CH4 and CFC for YEART C 9158.4 C-----------------------------------------------------------------------9158.5 C 9158.6 DIMENSION XGAS(5) 9158.7 COMMON/CO2TRND/ALFFOR,CO2TR,YEARGT,CO2IN,INYRAD common/ BACKGRGHG/GHGBGR(5) save data ifirst /0/ C 9160.8 if (ifirst.eq.0)then c if(ALFFOR.gt.0.0)then CO2IN=GHGBGR(1) c endif print *,' gtrend.f',100*ALFFOR,'% per year from',CO2IN print *,'N2O, CH4 and CFCs ' print '(4e10.2)',(GHGBGR(ii),ii=2,5) c ifirst=1 endif YEAR=YEART DT=YEAR-INYRAD XX0=CO2IN XX=XX0*(1.+ALFFOR)**DT XGAS(1)=XX 9182.3 CO2TR=XGAS(1) do ii=2,5 XGAS(ii)=GHGBGR(ii) enddo if (ifirst.eq.0)then print *,'From GTREND' print '(5e12.4)',(XGAS(ii),ii=1,5) ifirst=1 endif RETURN 9182.5 END 9182.6 ! ---------------------------------------------------------- subroutine bmtrnd(XGASS,YEAR,NGAS) parameter (nyd=2000,nyd1=nyd+1) C C C For simulations with observed forcing using equivalent C CO2 concentrations from file co2_data C Concentrations of other GHGs are c those for 1958. C DATA are annual means, but they are C used as a data for the middle of the coresponding year C C real XGASS(NGAS) dimension XG1958(5), xf11(nyd),xf12(nyd),xco2(nyd),xn2o(nyd), *xch4(nyd),ighgyr(nyd) real xxf11(nyd1),xxf12(nyd1),xxco2(nyd1),xxn2o(nyd1),xxch4(nyd1) common/boxmod/YEAR0 common /bmtrdata/co2_data common/ BACKGRGHG/GHGBGR(5) character * 120 co2_data logical first data first /.true./ data ncall /1/ if(first)then print *,' BMTREND for observed forcing' open (unit=561,file=co2_data, * status='OLD',form='formatted') do 50 i=1,nyd c read (561,501,end=500),ighgyr(i),tmp,xco2(i) read (561,*,end=500),ighgyr(i),xco2(i) 50 continue 500 continue close (561) do ii=1,5 XG1958(ii)=GHGBGR(ii) enddo ny=i-2 ny1=ny+1 ny2=ny+2 YEAR0=ighgyr(1)-1 print *,'From FORSET' print *,' year=',year print *,'YEAR0=',YEAR0 501 format(i4,2f8.2) c xxco2(1)=XG1958(1) xxco2(1)=2.*xco2(1)-xco2(2) xxn2o(1)=XG1958(2) xxch4(1)=XG1958(3) xxf11(1)=XG1958(4)*1000. xxf12(1)=XG1958(5)*1000. do 10 i=1,ny1 xxco2(i+1)=xco2(i) 10 continue first=.false. endif if(ncall.eq.2)then print *,'BMTRND from FORGET' print *,' year=',year print *,'YEAR0=',YEAR0 endif call ghgint(xx,xxco2,ny2,YEAR) XGASS(1)=xx XGASS(2)=XG1958(2) XGASS(3)=XG1958(3) XGASS(4)=XG1958(4)*1000. XGASS(5)=XG1958(5)*1000. if(ncall.lt.3)ncall=ncall+1 return end subroutine ghgint(xx,xxf,ny,year) common/boxmod/YEAR0 real xxf(ny) i=year+0.5 dl=year+.5-i i=i-YEAR0 if(i.lt.1.or.i.ge.ny)then print *,' error in ghgint i=',i stop 25 endif xx=xxf(i)*(1.-dl)+xxf(i+1)*dl return end subroutine ghgint1(xx,xxf,iyear,ny,year) common/boxmod/YEAR0 dimension xxf(ny),iyear(ny) ! print *,ny,iyear(1),xxf(1) do i=1,ny year1=iyear(i)+0.5 year2=iyear(i+1)+0.5 c if(year.gt.iyear(i).and.year.le.iyear(i+1))go to 100 if(year.ge.year1.and.year.le.year2)go to 100 enddo print *,' Wrong year year=',year print *,'YEAR=',YEAR,year1,year2 stop 100 continue c print *,'YEAR=',YEAR,year1,year2 c x=(iyear(i+1)-year)/(iyear(i+1)-iyear(i)) x=(year2-year)/(year2-year1) xx=xxf(i+1)*(1.-x)+xxf(i)*x c print *,i,x,xxf(i),xxf(i+1),xx return end subroutine bmtrndmg(XGASS,YEAR,NGAS) parameter (nyd=2000,nyd1=nyd+1) c c Multi-gas version of box-model trend routine c - added 22 Aug 2002 - ceforest C - greenhouse gas concentrations taken from GISS dataset on web c - CFC-11 includes other long-lived gases C C DATA are annual means, but they are C used as a data for the middle of the coresponding year C C real XGASS(NGAS) C version for SRES dimension XG1958(5), xf11(nyd),xf12(nyd),xco2(nyd),xn2o(nyd), *xch4(nyd),ighgyr(nyd),iyear(nyd1),xfothers(nyd) real xxf11(nyd1),xxf12(nyd1),xxco2(nyd1),xxn2o(nyd1),xxch4(nyd1) common/boxmod/YEAR0 common /bmtrdata/co2_data common/ BACKGRGHG/GHGBGR(5) character * 120 co2_data logical first data first /.true./ data ncall /1/ if(first)then print *,' BMTRENDMG for observed forcing' open (unit=561,file=co2_data, * status='OLD',form='formatted') do 50 i=1,nyd c read (561,501,end=500),ighgyr(i),tmp,xco2(i) c f11 includes other long-lived gases read (561,*,end=500),ighgyr(i),xco2(i),xn2o(i), * xch4(i), xf11(i),xf12(i),xfothers(i) 50 continue 500 continue close (561) do ii=1,5 XG1958(ii)=GHGBGR(ii) enddo ny=i-2 ny1=ny+1 ny2=ny+2 YEAR0=ighgyr(1)-1 iyear(1)=YEAR0 do i=1,ny1 iyear(i+1)=ighgyr(i) enddo print *,'From FORSET' print *,' year=',year print *,'YEAR0=',YEAR0 print *,'ny2=',ny2,' LYEAR=',iyear(ny2) 501 format(i4,2f8.2) do i=1,ny xf11(i)=xf11(i)+xfothers(i) enddo xxco2(1)=2.*xco2(1)-xco2(2) xxn2o(1)=2.*xn2o(1)-xn2o(2) xxch4(1)=2.*xch4(1)-xch4(2) c xxf11(1)=(2.*xf11(1)-xf11(2))*1000. c xxf12(1)=(2.*xf12(1)-xf12(2))*1000. xxf11(1)=(2.*xf11(1)-xf11(2)) xxf12(1)=(2.*xf12(1)-xf12(2)) do 10 i=1,ny1 xxco2(i+1)=xco2(i) xxn2o(i+1)=xn2o(i) xxch4(i+1)=xch4(i) c xxf11(i+1)=xf11(i)*1000. c xxf12(i+1)=xf12(i)*1000. xxf11(i+1)=xf11(i) xxf12(i+1)=xf12(i) 10 continue first=.false. endif if(ncall.eq.2)then print *,'BMTRND from FORGET' print *,' year=',year print *,'YEAR0=',YEAR0 endif call ghgint1(xx,xxco2,iyear,ny2,YEAR) XGASS(1)=xx call ghgint1(xx,xxn2o,iyear,ny2,YEAR) XGASS(2)=xx call ghgint1(xx,xxch4,iyear,ny2,YEAR) XGASS(3)=xx call ghgint1(xx,xxf11,iyear,ny2,YEAR) XGASS(4)=xx call ghgint1(xx,xxf12,iyear,ny2,YEAR) XGASS(5)=xx if(ncall.lt.3)ncall=ncall+1 return end ! ---------------------------------------------------------- subroutine stbtrnd(XGASS,YEAR,NGAS,KTREN) parameter (nyd=2000,nyd1=nyd+1) C C C For IPCC stabilisation simulations C CO2 concentrations from file co2_data C Concentrations of other GHGs are c those for 1765. C DATA are annual means, but they are C used as a data for the middle of the coresponding year C C real XGASS(NGAS) dimension XG1958(5), xf11(nyd),xf12(nyd),xco2(nyd),xn2o(nyd), *xch4(nyd),ighgyr(nyd),iyear(nyd) real xxf11(nyd1),xxf12(nyd1),xxco2(nyd1),xxn2o(nyd1),xxch4(nyd1) real co2data(9) common/boxmod/YEAR0 common /bmtrdata/co2_data common/ BACKGRGHG/GHGBGR(5) character * 120 co2_data character * 10 name,scen(9) logical first data first /.true./ data ncall /1/ if(first)then nsc=KTREN-KTREN/10*10 open (unit=561,file=co2_data, * status='OLD',form='formatted') read (561,*)name,scen print *,' Simulation with scenario ',scen(nsc) do 50 i=1,nyd c read (561,501,end=500),ighgyr(i),tmp,xco2(i) read (561,*,end=500),ighgyr(i),co2data xco2(i)=co2data(nsc) iyear(i+1)=ighgyr(i) 50 continue 500 continue close (561) do ii=1,5 XG1958(ii)=GHGBGR(ii) enddo ny=i-2 ny1=ny+1 ny2=ny+2 YEAR0=ighgyr(1)-1 iyear(1)=YEAR0 print *,'From FORSET STBTRND' print *,' year=',year print *,'YEAR0=',YEAR0 501 format(i4,2f8.2) xxco2(1)=2.*xco2(1)-xco2(2) xxn2o(1)=XG1958(2) xxch4(1)=XG1958(3) xxf11(1)=XG1958(4)*1000. xxf12(1)=XG1958(5)*1000. do 10 i=1,ny1 xxco2(i+1)=xco2(i) 10 continue first=.false. endif ! call ghgint(xx,xxco2,ny2,YEAR) call ghgint1(xx,xxco2,iyear,ny2,YEAR) XGASS(1)=xx XGASS(2)=XG1958(2) XGASS(3)=XG1958(3) XGASS(4)=XG1958(4)*1000. XGASS(5)=XG1958(5)*1000. if(ncall.eq.2)then print *,'STBTRND from FORGET' print *,' year=',year print *,'YEAR0=',YEAR0 print *,'XGASS' print *,XGASS endif if(ncall.lt.3)ncall=ncall+1 return end subroutine emissipcc(YEAR,tcu,ocu,xco2,xco2ann,nsc) parameter (nyd=2000,nyd1=nyd+1) C C C For IPCC stabilisation simulations with CO2 emissions C CO2 emissions from file co2_data C Concentrations of other GHGs are c those for 1765. C DATA are annual means, but they are C used as a data for the middle of the coresponding year C C !include "BD2G04.COM" !include "TEM.COM" !include "RADCOM.COM" c common /Garyflux/pC_atm(jm0),wind_amp,fluxco2(jm0) parameter(jm0=46) common /ATCO2/atm_co2(jm0) dimension xemi(nyd),eghgyr(nyd),xxemi(nyd1),iyear(nyd1) real emidata(4),co2stocker(9),xxco2(nyd) dimension NDAYMN(12) data NDAYMN /31,28,31,30,31,30,31,31,30,31,30,31/ common/boxmod/YEAR0 common /bmtrdata/co2_data common /ipccdata/init_co2 common/ BACKGRGHG/GHGBGR(5) character * 120 co2_data character * 10 name,scen(4) logical first data first /.true./ data ncall /1/ if(first)then open (unit=561,file=co2_data, * status='OLD',form='formatted') read (561,*)name read (561,*)name,scen print *,'IPCC name=',name,' nsc=',nsc print *,scen print *,' Simulation with emission scenario ',scen(nsc) do 50 i=1,nyd read (561,*,end=500),eghgyr(i),emidata xemi(i)=emidata(nsc) c print *,eghgyr(i),xemi(i) 50 continue 500 continue close (561) ny=i-2 ny1=ny+1 ny2=ny+2 YEAR0=eghgyr(1)-1 print *,'From FORSET EMISSIPCC' print *,' year=',year print *,'YEAR0=',YEAR0 501 format(i4,2f8.2) xxemi(1)=0.0 iyear(1)=YEAR0 do 10 i=1,ny1 iyear(i+1)=eghgyr(i) xxemi(i+1)=xemi(i) 10 continue dtemi=1./12. first=.false. endif c if(YEAR.lt.2101) then c call ghgint(xx,xxemi,ny2,YEAR) call ghgint1(xx,xxemi,iyear,ny2,YEAR) c else c xx=0.0 c endif yy0=xco2*GHGBGR(1) xco2ann=xco2ann+yy0 c yy0 and yy CO2 in PPM, xx in GtC/year, ocu and tcu in GtC/month c dtemi=1./12. c print *,'ocu=',ocu,' tcu=',tcu c ocu=1.25*ocu c tcu=1.8*tcu print *,'ocu=',ocu,' tcu=',tcu print *,'emi=',xx*dtemi yy=yy0+(xx*dtemi-ocu-tcu)/2.1 xco2=yy/GHGBGR(1) c if(ncall.eq.2)then print *,'EMISSIPCC ' print *,' year=',year print *,'YEAR0=',YEAR0 print *,yy0,xx print *,ocu,tcu print *,yy,xco2 do 30 j=1,jm0 atm_co2(j)=yy 30 continue c stop c endif if(ncall.lt.3)ncall=ncall+1 return end