SUBROUTINE euvheat(ngrid,nlayer,nq,pt,pdt,pplev,pplay,zzlay, & mu0,ptimestep,ptime,zday,pq,pdq,pdteuv) use tracer_mod, only: igcm_co2, igcm_co, igcm_o, igcm_o1d, & igcm_o2, igcm_h, igcm_h2, igcm_oh, igcm_ho2, & igcm_h2o2, igcm_h2o_vap, igcm_o3, igcm_n2, & igcm_n, igcm_no, igcm_no2, igcm_n2d, mmol use conc_mod, only: rnew, cpnew IMPLICIT NONE !======================================================================= ! subject: ! -------- ! Computing heating rate due to EUV absorption ! ! author: MAC 2002 ! ------ ! ! input: ! ----- ! mu0(ngrid) ! pplay(ngrid,nlayer) pressure at middle of layers (Pa) ! ! output: ! ------- ! ! pdteuv(ngrid,nlayer) Heating rate (K/s) ! !======================================================================= ! ! 0. Declarations : ! ------------------ ! !#include "dimensions.h" !#include "dimphys.h" !#include "comcstfi.h" #include "callkeys.h" !#include "comdiurn.h" !#include "param.h" !#include "param_v4.h" !#include "chimiedata.h" !#include "tracer.h" !#include "conc.h" !----------------------------------------------------------------------- ! Input/Output ! ------------ integer,intent(in) :: ngrid ! number of atmospheric columns integer,intent(in) :: nlayer ! number of atmospheric layers integer,intent(in) :: nq ! number of advected tracers real :: pt(ngrid,nlayer) real :: pdt(ngrid,nlayer) real :: pplev(ngrid,nlayer+1) real :: pplay(ngrid,nlayer) real :: zzlay(ngrid,nlayer) real :: mu0(ngrid) real :: ptimestep,ptime real :: zday real :: pq(ngrid,nlayer,nq) real :: pdq(ngrid,nlayer,nq) real :: pdteuv(ngrid,nlayer) ! ! Local variables : ! ----------------- integer,save :: nespeuv ! Number of species considered INTEGER :: l,ig,n integer,save :: euvmod real, allocatable, save :: rm(:,:) ! number density (cm-3) real :: zq(ngrid,nlayer,nq) ! local updated tracer quantity real :: zt(ngrid,nlayer) ! local updated atmospheric temperature real :: zlocal(nlayer) real :: zenit real :: jtot(nlayer) real :: dens ! amu/cm-3 real :: tx(nlayer) ! real euveff !UV heating efficiency ! tracer indexes for the EUV heating: !!! ATTENTION. These values have to be identical to those in chemthermos.F90 !!! If the values are changed there, the same has to be done here !!! integer,parameter :: i_co2=1 integer,parameter :: i_o2=2 integer,parameter :: i_o=3 integer,parameter :: i_co=4 integer,parameter :: i_h=5 integer,parameter :: i_oh=6 integer,parameter :: i_ho2=7 integer,parameter :: i_h2=8 integer,parameter :: i_h2o=9 integer,parameter :: i_h2o2=10 integer,parameter :: i_o1d=11 integer,parameter :: i_o3=12 integer,parameter :: i_n2=13 integer,parameter :: i_n=14 integer,parameter :: i_no=15 integer,parameter :: i_n2d=16 integer,parameter :: i_no2=17 ! Tracer indexes in the GCM: integer,save :: g_co2=0 integer,save :: g_o=0 integer,save :: g_o2=0 integer,save :: g_h2=0 integer,save :: g_h2o2=0 integer,save :: g_h2o=0 integer,save :: g_o3=0 integer,save :: g_n2=0 integer,save :: g_n=0 integer,save :: g_no=0 integer,save :: g_co=0 integer,save :: g_h=0 integer,save :: g_no2=0 integer,save :: g_oh=0 integer,save :: g_ho2=0 integer,save :: g_o1d=0 integer,save :: g_n2d=0 logical,save :: firstcall=.true. ! Initializations and sanity checks: if (firstcall) then nespeuv=0 ! identify the indexes of the tracers we'll need g_co2=igcm_co2 if (g_co2.eq.0) then write(*,*) "euvheat: Error; no CO2 tracer !!!" write(*,*) "CO2 is always needed if calleuv=.true." stop else nespeuv=nespeuv+1 endif g_o=igcm_o if (g_o.eq.0) then write(*,*) "euvheat: Error; no O tracer !!!" write(*,*) "O is always needed if calleuv=.true." stop else nespeuv=nespeuv+1 endif g_o2=igcm_o2 if (g_o2.eq.0) then write(*,*) "euvheat: Error; no O2 tracer !!!" write(*,*) "O2 is always needed if calleuv=.true." stop else nespeuv=nespeuv+1 endif g_h2=igcm_h2 if (g_h2.eq.0) then write(*,*) "euvheat: Error; no H2 tracer !!!" write(*,*) "H2 is always needed if calleuv=.true." stop else nespeuv=nespeuv+1 endif g_oh=igcm_oh if (g_oh.eq.0) then write(*,*) "euvheat: Error; no OH tracer !!!" write(*,*) "OH must always be present if thermochem=T" stop else nespeuv=nespeuv+1 endif g_ho2=igcm_ho2 if (g_ho2.eq.0) then write(*,*) "euvheat: Error; no HO2 tracer !!!" write(*,*) "HO2 must always be present if thermochem=T" stop else nespeuv=nespeuv+1 endif g_h2o2=igcm_h2o2 if (g_h2o2.eq.0) then write(*,*) "euvheat: Error; no H2O2 tracer !!!" write(*,*) "H2O2 is always needed if calleuv=.true." stop else nespeuv=nespeuv+1 endif g_h2o=igcm_h2o_vap if (g_h2o.eq.0) then write(*,*) "euvheat: Error; no water vapor tracer !!!" write(*,*) "H2O is always needed if calleuv=.true." stop else nespeuv=nespeuv+1 endif g_o1d=igcm_o1d if (g_o1d.eq.0) then write(*,*) "euvheat: Error; no O1D tracer !!!" write(*,*) "O1D must always be present if thermochem=T" stop else nespeuv=nespeuv+1 endif g_co=igcm_co if (g_co.eq.0) then write(*,*) "euvheat: Error; no CO tracer !!!" write(*,*) "CO is always needed if calleuv=.true." stop else nespeuv=nespeuv+1 endif g_h=igcm_h if (g_h.eq.0) then write(*,*) "euvheat: Error; no H tracer !!!" write(*,*) "H is always needed if calleuv=.true." stop else nespeuv=nespeuv+1 endif euvmod = 0 !Default: C/O/H chemistry !Check if O3 is present g_o3=igcm_o3 if (g_o3.eq.0) then write(*,*) "euvheat: Error; no O3 tracer !!!" write(*,*) "O3 must be present if calleuv=.true." stop else nespeuv=nespeuv+1 euvmod=1 endif !Nitrogen species !NO is used to determine if N chemistry is wanted !euvmod=2 -> N chemistry g_no=igcm_no if (g_no.eq.0) then write(*,*) "euvheat: no NO tracer" write(*,*) "No N species in UV heating" else if(g_no.ne.0) then nespeuv=nespeuv+1 euvmod=2 endif ! n2 g_n2=igcm_n2 if(euvmod.eq.2) then if (g_n2.eq.0) then write(*,*) "euvheat: Error; no N2 tracer !!!" write(*,*) "N2 needed if NO is in traceur.def" stop else nespeuv=nespeuv+1 endif endif ! Of if(euvmod.eq.2) ! N g_n=igcm_n if(euvmod == 2) then if (g_n.eq.0) then write(*,*) "euvheat: Error; no N tracer !!!" write(*,*) "N needed if NO is in traceur.def" stop else if(g_n.ne.0) then nespeuv=nespeuv+1 endif else if(g_n /= 0) then write(*,*) "euvheat: Error: N present, but NO not!!!" write(*,*) "Both must be in traceur.def" stop endif endif !Of if(euvmod==2) !NO2 g_no2=igcm_no2 if(euvmod == 2) then if (g_no2.eq.0) then write(*,*) "euvheat: Error; no NO2 tracer !!!" write(*,*) "NO2 needed if NO is in traceur.def" stop else if(g_no2.ne.0) then nespeuv=nespeuv+1 endif else if(g_no2 /= 0) then write(*,*) "euvheat: Error: NO2 present, but NO not!!!" write(*,*) "Both must be in traceur.def" stop endif endif !Of if(euvmod==2) !N2D g_n2d=igcm_n2d if(euvmod == 2) then if (g_n2d.eq.0) then write(*,*) "euvheat: Error; no N2D tracer !!!" write(*,*) "N2D needed if NO is in traceur.def" stop else nespeuv=nespeuv+1 endif else if(g_n2d /= 0) then write(*,*) "euvheat: Error: N2D present, but NO not!!!" write(*,*) "Both must be in traceur.def" stop endif endif !Of if(euvmod==2) !Check if nespeuv is appropriate for the value of euvmod select case(euvmod) case(0) if(nespeuv.ne.11) then write(*,*)'euvheat: Wrong number of tracers!' stop else write(*,*)'euvheat: Computing absorption by',nespeuv, & ' species' endif case(1) if(nespeuv.ne.12) then write(*,*)'euvheat: Wrong number of tracers!',nespeuv stop else write(*,*)'euvheat: Computing absorption by',nespeuv, & ' species' endif case(2) if(nespeuv.ne.17) then write(*,*)'euvheat: Wrong number of tracers!' stop else write(*,*)'euvheat: Computing absorption by',nespeuv, & ' species' endif end select !Allocate density vector allocate(rm(nlayer,nespeuv)) firstcall= .false. endif ! of if (firstcall) !cccccccccccccccccccccccccccccccccccccccccccccccccccccccc ! build local updated values of tracers and temperature do l=1,nlayer do ig=1,ngrid ! chemical species zq(ig,l,g_co2)=pq(ig,l,g_co2)+pdq(ig,l,g_co2)*ptimestep zq(ig,l,g_o2)=pq(ig,l,g_o2)+pdq(ig,l,g_o2)*ptimestep zq(ig,l,g_o)=pq(ig,l,g_o)+pdq(ig,l,g_o)*ptimestep zq(ig,l,g_h2)=pq(ig,l,g_h2)+pdq(ig,l,g_h2)*ptimestep zq(ig,l,g_h2o2)=pq(ig,l,g_h2o2)+pdq(ig,l,g_h2o2)*ptimestep zq(ig,l,g_h2o)=pq(ig,l,g_h2o)+pdq(ig,l,g_h2o)*ptimestep zq(ig,l,g_n2)=pq(ig,l,g_n2)+pdq(ig,l,g_n2)*ptimestep zq(ig,l,g_co)=pq(ig,l,g_co)+pdq(ig,l,g_co)*ptimestep zq(ig,l,g_h)=pq(ig,l,g_h)+pdq(ig,l,g_h)*ptimestep if(euvmod.ge.1) & zq(ig,l,g_o3)=pq(ig,l,g_o3)+pdq(ig,l,g_o3)*ptimestep if(euvmod.eq.2) then zq(ig,l,g_n)=pq(ig,l,g_n)+pdq(ig,l,g_n)*ptimestep zq(ig,l,g_no)=pq(ig,l,g_no)+pdq(ig,l,g_no)*ptimestep zq(ig,l,g_no2)=pq(ig,l,g_no2)+pdq(ig,l,g_no2)*ptimestep endif if(euvmod.gt.2.or.euvmod.lt.0) then write(*,*)'euvheat: bad value for euvmod. Stop' stop endif ! atmospheric temperature zt(ig,l)=pt(ig,l)+pdt(ig,l)*ptimestep enddo enddo !Solar flux calculation call flujo(solarcondate) ! Not recommended for long runs ! (e.g. to build the MCD), as the ! solar conditions at the end will ! be different to the ones initially ! set do ig=1,ngrid zenit=acos(mu0(ig))*180./acos(-1.) do l=1,nlayer !Conversion to number density dens=pplay(ig,l)/(rnew(ig,l)*zt(ig,l)) / 1.66e-21 rm(l,i_co2) = zq(ig,l,g_co2) * dens / mmol(g_co2) rm(l,i_o2) = zq(ig,l,g_o2) * dens / mmol(g_o2) rm(l,i_o) = zq(ig,l,g_o) * dens / mmol(g_o) rm(l,i_h2) = zq(ig,l,g_h2) * dens / mmol(g_h2) rm(l,i_h2o) = zq(ig,l,g_h2o) * dens / mmol(g_h2o) rm(l,i_h2o2) = zq(ig,l,g_h2o2) * dens / mmol(g_h2o2) rm(l,i_co) = zq(ig,l,g_co) * dens / mmol(g_co) rm(l,i_h) = zq(ig,l,g_h) * dens / mmol(g_h) !Only if O3, N or ion chemistry requested if(euvmod.ge.1) & rm(l,i_o3) = zq(ig,l,g_o3) * dens / mmol(g_o3) !Only if N or ion chemistry requested if(euvmod.ge.2) then rm(l,i_n2) = zq(ig,l,g_n2) * dens / mmol(g_n2) rm(l,i_n) = zq(ig,l,g_n) * dens / mmol(g_n) rm(l,i_no) = zq(ig,l,g_no) * dens / mmol(g_no) rm(l,i_no2) = zq(ig,l,g_no2) * dens / mmol(g_no2) endif enddo ! zlocal(1)=-log(pplay(ig,1)/pplev(ig,1)) ! & *Rnew(ig,1)*zt(ig,1)/g zlocal(1)=zzlay(ig,1) zlocal(1)=zlocal(1)/1000. tx(1)=zt(ig,1) do l=2,nlayer tx(l)=zt(ig,l) zlocal(l)=zzlay(ig,l)/1000. enddo !Routine to calculate the UV heating call hrtherm (ig,euvmod,rm,nespeuv,tx,zlocal,zenit,zday,jtot) ! euveff=0.16 !UV heating efficiency. Following Fox et al. ASR 1996 !should vary between 19% and 23%. Lower values !(i.e. 16%) can be used to compensate underestimation !of 15-um cooling (see Forget et al. JGR 2009 and !Gonzalez-Galindo et al. JGR 2009) for details !Calculates the UV heating from the total photoabsorption coefficient do l=1,nlayer pdteuv(ig,l)=euveff*jtot(l)/10. & /(cpnew(ig,l)*pplay(ig,l)/(rnew(ig,l)*zt(ig,l))) ! & *(1.52/dist_sol)**2 !The solar flux calculated in !flujo.F is already corrected for !the actual Mars-Sun distance enddo enddo ! of do ig=1,ngrid !Deallocations ! deallocate(rm) return end