! ! $Id: iniacademic.F90 1625 2012-05-09 13:14:48Z lguez $ ! SUBROUTINE iniacademic_loc(vcov,ucov,teta,q,masse,ps,phis,time_0) USE filtreg_mod, ONLY: inifilr use exner_hyb_m, only: exner_hyb use exner_milieu_m, only: exner_milieu USE infotrac, ONLY: nqtot,niso_possibles,ok_isotopes,iqpere,ok_iso_verif,tnat,alpha_ideal, & & iqiso,phase_num,iso_indnum,iso_num,zone_num USE control_mod, ONLY: day_step,planet_type USE parallel_lmdz, ONLY: ijb_u, ije_u, ijb_v, ije_v #ifdef CPP_IOIPSL USE IOIPSL, ONLY: getin #else ! if not using IOIPSL, we still need to use (a local version of) getin USE ioipsl_getincom, ONLY: getin #endif USE Write_Field USE comconst_mod, ONLY: cpp, kappa, g, daysec, dtvr, pi, im, jm USE logic_mod, ONLY: iflag_phys, read_start USE comvert_mod, ONLY: ap, bp, preff, presnivs, pressure_exner USE temps_mod, ONLY: annee_ref, day_ini, day_ref USE ener_mod, ONLY: etot0,ptot0,ztot0,stot0,ang0 ! Author: Frederic Hourdin original: 15/01/93 ! The forcing defined here is from Held and Suarez, 1994, Bulletin ! of the American Meteorological Society, 75, 1825. IMPLICIT NONE ! Declararations: ! --------------- include "dimensions.h" include "paramet.h" include "comgeom.h" include "academic.h" include "iniprint.h" ! Arguments: ! ---------- REAL,INTENT(OUT) :: time_0 ! fields REAL,INTENT(OUT) :: vcov(ijb_v:ije_v,llm) ! meridional covariant wind REAL,INTENT(OUT) :: ucov(ijb_u:ije_u,llm) ! zonal covariant wind REAL,INTENT(OUT) :: teta(ijb_u:ije_u,llm) ! potential temperature (K) REAL,INTENT(OUT) :: q(ijb_u:ije_u,llm,nqtot) ! advected tracers (.../kg_of_air) REAL,INTENT(OUT) :: ps(ijb_u:ije_u) ! surface pressure (Pa) REAL,INTENT(OUT) :: masse(ijb_u:ije_u,llm) ! air mass in grid cell (kg) REAL,INTENT(OUT) :: phis(ijb_u:ije_u) ! surface geopotential ! Local: ! ------ REAL,ALLOCATABLE :: vcov_glo(:,:),ucov_glo(:,:),teta_glo(:,:) REAL,ALLOCATABLE :: q_glo(:,:),masse_glo(:,:),ps_glo(:) REAL,ALLOCATABLE :: phis_glo(:) REAL p (ip1jmp1,llmp1 ) ! pression aux interfac.des couches REAL pks(ip1jmp1) ! exner au sol REAL pk(ip1jmp1,llm) ! exner au milieu des couches REAL phi(ip1jmp1,llm) ! geopotentiel REAL ddsin,zsig,tetapv,w_pv ! variables auxiliaires real tetastrat ! potential temperature in the stratosphere, in K real tetajl(jjp1,llm) INTEGER i,j,l,lsup,ij REAL teta0,ttp,delt_y,delt_z,eps ! Constantes pour profil de T REAL k_f,k_c_a,k_c_s ! Constantes de rappel LOGICAL ok_geost ! Initialisation vent geost. ou nul LOGICAL ok_pv ! Polar Vortex REAL phi_pv,dphi_pv,gam_pv,tetanoise ! Constantes pour polar vortex real zz,ran1 integer idum REAL zdtvr character(len=*),parameter :: modname="iniacademic" character(len=80) :: abort_message ! Sanity check: verify that options selected by user are not incompatible if ((iflag_phys==1).and. .not. read_start) then write(lunout,*) trim(modname)," error: if read_start is set to ", & " false then iflag_phys should not be 1" write(lunout,*) "You most likely want an aquaplanet initialisation", & " (iflag_phys >= 100)" call abort_gcm(modname,"incompatible iflag_phys==1 and read_start==.false.",1) endif !----------------------------------------------------------------------- ! 1. Initializations for Earth-like case ! -------------------------------------- ! ! initialize planet radius, rotation rate,... call conf_planete time_0=0. day_ref=1 ! annee_ref=0 im = iim jm = jjm day_ini = 1 dtvr = daysec/REAL(day_step) zdtvr=dtvr etot0 = 0. ptot0 = 0. ztot0 = 0. stot0 = 0. ang0 = 0. if (llm == 1) then ! specific initializations for the shallow water case kappa=1 endif CALL iniconst CALL inigeom CALL inifilr ! Initialize pressure and mass field if read_start=.false. IF (.NOT. read_start) THEN ! allocate global fields: ! allocate(vcov_glo(ip1jm,llm)) allocate(ucov_glo(ip1jmp1,llm)) allocate(teta_glo(ip1jmp1,llm)) allocate(ps_glo(ip1jmp1)) allocate(masse_glo(ip1jmp1,llm)) allocate(phis_glo(ip1jmp1)) ! surface pressure if (iflag_phys>2) then ! specific value for CMIP5 aqua/terra planets ! "Specify the initial dry mass to be equivalent to ! a global mean surface pressure (101325 minus 245) Pa." ps_glo(:)=101080. else ! use reference surface pressure ps_glo(:)=preff endif ! ground geopotential phis_glo(:)=0. CALL pression ( ip1jmp1, ap, bp, ps_glo, p ) if (pressure_exner) then CALL exner_hyb( ip1jmp1, ps_glo, p, pks, pk ) else call exner_milieu(ip1jmp1,ps_glo,p,pks,pk) endif CALL massdair(p,masse_glo) ENDIF if (llm == 1) then ! initialize fields for the shallow water case, if required if (.not.read_start) then phis(ijb_u:ije_u)=0. q(ijb_u:ije_u,1:llm,1:nqtot)=0 CALL sw_case_williamson91_6_loc(vcov,ucov,teta,masse,ps) endif endif academic_case: if (iflag_phys >= 2) then ! initializations ! 1. local parameters ! by convention, winter is in the southern hemisphere ! Geostrophic wind or no wind? ok_geost=.TRUE. CALL getin('ok_geost',ok_geost) ! Constants for Newtonian relaxation and friction k_f=1. !friction CALL getin('k_j',k_f) k_f=1./(daysec*k_f) k_c_s=4. !cooling surface CALL getin('k_c_s',k_c_s) k_c_s=1./(daysec*k_c_s) k_c_a=40. !cooling free atm CALL getin('k_c_a',k_c_a) k_c_a=1./(daysec*k_c_a) ! Constants for Teta equilibrium profile teta0=315. ! mean Teta (S.H. 315K) CALL getin('teta0',teta0) ttp=200. ! Tropopause temperature (S.H. 200K) CALL getin('ttp',ttp) eps=0. ! Deviation to N-S symmetry(~0-20K) CALL getin('eps',eps) delt_y=60. ! Merid Temp. Gradient (S.H. 60K) CALL getin('delt_y',delt_y) delt_z=10. ! Vertical Gradient (S.H. 10K) CALL getin('delt_z',delt_z) ! Polar vortex ok_pv=.false. CALL getin('ok_pv',ok_pv) phi_pv=-50. ! Latitude of edge of vortex CALL getin('phi_pv',phi_pv) phi_pv=phi_pv*pi/180. dphi_pv=5. ! Width of the edge CALL getin('dphi_pv',dphi_pv) dphi_pv=dphi_pv*pi/180. gam_pv=4. ! -dT/dz vortex (in K/km) CALL getin('gam_pv',gam_pv) tetanoise=0.005 CALL getin('tetanoise',tetanoise) ! 2. Initialize fields towards which to relax ! Friction knewt_g=k_c_a DO l=1,llm zsig=presnivs(l)/preff knewt_t(l)=(k_c_s-k_c_a)*MAX(0.,(zsig-0.7)/0.3) kfrict(l)=k_f*MAX(0.,(zsig-0.7)/0.3) ENDDO DO j=1,jjp1 clat4((j-1)*iip1+1:j*iip1)=cos(rlatu(j))**4 ENDDO ! Potential temperature DO l=1,llm zsig=presnivs(l)/preff tetastrat=ttp*zsig**(-kappa) tetapv=tetastrat IF ((ok_pv).AND.(zsig.LT.0.1)) THEN tetapv=tetastrat*(zsig*10.)**(kappa*cpp*gam_pv/1000./g) ENDIF DO j=1,jjp1 ! Troposphere ddsin=sin(rlatu(j)) tetajl(j,l)=teta0-delt_y*ddsin*ddsin+eps*ddsin & -delt_z*(1.-ddsin*ddsin)*log(zsig) if (planet_type=="giant") then tetajl(j,l)=teta0+(delt_y* & ((sin(rlatu(j)*3.14159*eps+0.0001))**2) & / ((rlatu(j)*3.14159*eps+0.0001)**2)) & -delt_z*log(zsig) endif ! Profil stratospherique isotherme (+vortex) w_pv=(1.-tanh((rlatu(j)-phi_pv)/dphi_pv))/2. tetastrat=tetastrat*(1.-w_pv)+tetapv*w_pv tetajl(j,l)=MAX(tetajl(j,l),tetastrat) ENDDO ENDDO ! CALL writefield('theta_eq',tetajl) do l=1,llm do j=1,jjp1 do i=1,iip1 ij=(j-1)*iip1+i tetarappel(ij,l)=tetajl(j,l) enddo enddo enddo ! 3. Initialize fields (if necessary) IF (.NOT. read_start) THEN ! bulk initialization of temperature IF (iflag_phys>10000) THEN ! Particular case to impose a constant temperature T0=0.01*iflag_phys teta_glo(:,:)= 0.01*iflag_phys/(pk(:,:)/cpp) ELSE teta_glo(:,:)=tetarappel(:,:) ENDIF ! geopotential CALL geopot(ip1jmp1,teta_glo,pk,pks,phis_glo,phi) ! winds if (ok_geost) then call ugeostr(phi,ucov_glo) else ucov_glo(:,:)=0. endif vcov(ijb_v:ije_v,1:llm)=0. ! bulk initialization of tracers if (planet_type=="earth") then ! Earth: first two tracers will be water do i=1,nqtot if (i == 1) q(ijb_u:ije_u,:,i)=1.e-10 if (i == 2) q(ijb_u:ije_u,:,i)=1.e-15 if (i.gt.2) q(ijb_u:ije_u,:,i)=0. ! CRisi: init des isotopes ! distill de Rayleigh très simplifiée if (ok_isotopes) then if ((iso_num(i).gt.0).and.(zone_num(i).eq.0)) then q(ijb_u:ije_u,:,i)=q(ijb_u:ije_u,:,iqpere(i)) & & *tnat(iso_num(i)) & & *(q(ijb_u:ije_u,:,iqpere(i))/30.e-3) & & **(alpha_ideal(iso_num(i))-1) endif if ((iso_num(i).gt.0).and.(zone_num(i).eq.1)) then q(ijb_u:ije_u,:,i)=q(ijb_u:ije_u,:,iqiso(iso_indnum(i),phase_num(i))) endif endif !if (ok_isotopes) then enddo else q(ijb_u:ije_u,:,:)=0 endif ! of if (planet_type=="earth") if (ok_iso_verif) then call check_isotopes(q,ijb_u,ije_u,'iniacademic_loc') endif !if (ok_iso_verif) then ! add random perturbation to temperature idum = -1 zz = ran1(idum) idum = 0 do l=1,llm do ij=iip2,ip1jm teta_glo(ij,l)=teta_glo(ij,l)*(1.+tetanoise*ran1(idum)) enddo enddo ! maintain periodicity in longitude do l=1,llm do ij=1,ip1jmp1,iip1 teta_glo(ij+iim,l)=teta_glo(ij,l) enddo enddo ! copy data from global array to local array: teta(ijb_u:ije_u,:)=teta_glo(ijb_u:ije_u,:) ucov(ijb_u:ije_u,:)=ucov_glo(ijb_u:ije_u,:) ! vcov(ijb_v:ije_v,:)=vcov_glo(ijb_v:ije_v,:) masse(ijb_u:ije_u,:)=masse_glo(ijb_u:ije_u,:) ps(ijb_u:ije_u)=ps_glo(ijb_u:ije_u) phis(ijb_u:ije_u)=phis_glo(ijb_u:ije_u) deallocate(teta_glo) deallocate(ucov_glo) ! deallocate(vcov_glo) deallocate(masse_glo) deallocate(ps_glo) deallocate(phis_glo) ENDIF ! of IF (.NOT. read_start) endif academic_case END SUBROUTINE iniacademic_loc