| [3810] | 1 | MODULE etat0_dcmip3_mod |
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| 2 | |
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| 3 | ! test cases DCMIP 2012, category 3 : Non-hydrostatic gravity waves |
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| 4 | |
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| 5 | ! Questions |
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| 6 | ! Replace ps0 by preff ?? |
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| 7 | |
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| 8 | USE genmod |
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| 9 | USE dcmip_initial_conditions_test_1_2_3 |
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| 10 | |
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| 11 | PRIVATE |
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| 12 | |
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| 13 | PUBLIC etat0 |
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| 14 | |
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| 15 | CONTAINS |
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| 16 | |
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| 17 | |
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| 18 | SUBROUTINE etat0(f_ps,f_phis,f_theta_rhodz,f_u, f_q) |
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| 19 | USE icosa |
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| 20 | USE theta2theta_rhodz_mod |
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| 21 | IMPLICIT NONE |
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| 22 | TYPE(t_field),POINTER :: f_ps(:) |
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| 23 | TYPE(t_field),POINTER :: f_phis(:) |
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| 24 | TYPE(t_field),POINTER :: f_theta_rhodz(:) |
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| 25 | TYPE(t_field),POINTER :: f_u(:) |
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| 26 | TYPE(t_field),POINTER :: f_q(:) |
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| 27 | TYPE(t_field),POINTER,SAVE :: f_temp(:) |
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| 28 | |
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| 29 | REAL(rstd),POINTER :: ps(:) |
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| 30 | REAL(rstd),POINTER :: phis(:) |
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| 31 | REAL(rstd),POINTER :: u(:,:) |
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| 32 | REAL(rstd),POINTER :: Temp(:,:) |
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| 33 | REAL(rstd),POINTER :: q(:,:,:) |
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| 34 | |
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| 35 | INTEGER :: ind |
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| 36 | |
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| 37 | CALL allocate_field(f_temp,field_t,type_real,llm,name='temp') |
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| 38 | |
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| 39 | DO ind=1,ndomain |
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| 40 | IF (.NOT. assigned_domain(ind)) CYCLE |
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| 41 | CALL swap_dimensions(ind) |
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| 42 | CALL swap_geometry(ind) |
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| 43 | |
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| 44 | ps=f_ps(ind) |
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| 45 | phis=f_phis(ind) |
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| 46 | u=f_u(ind) |
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| 47 | q=f_q(ind) |
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| 48 | temp=f_temp(ind) |
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| 49 | CALL compute_etat0_DCMIP3(ps,phis,u,Temp,q) |
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| 50 | ENDDO |
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| 51 | |
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| 52 | CALL temperature2theta_rhodz(f_ps,f_temp,f_theta_rhodz) |
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| 53 | CALL deallocate_field(f_temp) |
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| 54 | |
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| 55 | END SUBROUTINE etat0 |
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| 56 | |
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| 57 | |
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| 58 | SUBROUTINE compute_etat0_DCMIP3(ps, phis, u, temp,q) |
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| 59 | USE icosa |
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| 60 | USE pression_mod |
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| 61 | USE theta2theta_rhodz_mod |
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| 62 | USE wind_mod |
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| 63 | IMPLICIT NONE |
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| 64 | REAL(rstd),PARAMETER :: u0=20. ! Maximum amplitude of the zonal wind (m.s-1) |
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| 65 | REAL(rstd),PARAMETER :: N=0.01 ! Brunt-Vaisala frequency (s-1) |
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| 66 | REAL(rstd),PARAMETER :: Teq=300. ! Surface temperature at the equator (K) |
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| 67 | REAL(rstd),PARAMETER :: Peq=1e5 ! Reference surface pressure at the equator (hPa) |
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| 68 | REAL(rstd),PARAMETER :: d=5000. ! Witdth parameter for theta |
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| 69 | REAL(rstd),PARAMETER :: lonc=2*pi/3 ! Longitudinal centerpoint of theta |
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| 70 | REAL(rstd),PARAMETER :: latc=0 ! Longitudinal centerpoint of theta |
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| 71 | REAL(rstd),PARAMETER :: dtheta=1. ! Maximum amplitude of theta (K) |
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| 72 | REAL(rstd),PARAMETER :: Lz=20000. ! Vertical wave lenght of the theta perturbation |
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| 73 | |
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| 74 | REAL(rstd), INTENT(OUT) :: ps(iim*jjm) |
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| 75 | REAL(rstd), INTENT(OUT) :: phis(iim*jjm) |
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| 76 | REAL(rstd), INTENT(OUT) :: u(3*iim*jjm,llm) |
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| 77 | REAL(rstd), INTENT(OUT) :: Temp(iim*jjm,llm) |
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| 78 | REAL(rstd), INTENT(OUT) :: q(iim*jjm,llm,nqtot) |
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| 79 | |
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| 80 | REAL(rstd) :: Ts(iim*jjm) |
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| 81 | REAL(rstd) :: s(iim*jjm) |
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| 82 | REAL(rstd) :: p(iim*jjm,llm+1) |
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| 83 | REAL(rstd) :: theta(iim*jjm,llm) |
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| 84 | REAL(rstd) :: ulon(3*iim*jjm,llm) |
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| 85 | REAL(rstd) :: ulat(3*iim*jjm,llm) |
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| 86 | |
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| 87 | |
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| 88 | INTEGER :: i,j,l,ij |
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| 89 | REAL(rstd) :: Rd ! gas constant of dry air, P=rho.Rd.T |
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| 90 | REAL(rstd) :: alpha, rm |
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| 91 | REAL(rstd) :: C0, C1, GG |
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| 92 | REAL(rstd) :: p0psk, pspsk,r,zz, thetab, thetap |
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| 93 | REAL(rstd) :: dummy, pp |
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| 94 | LOGICAL :: use_dcmip_routine |
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| 95 | |
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| 96 | Rd=cpp*kappa |
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| 97 | |
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| 98 | GG=(g/N)**2/cpp |
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| 99 | C0=0.25*u0*(u0+2.*Omega*radius) |
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| 100 | |
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| 101 | q(:,:,:)=0 |
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| 102 | |
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| 103 | ! use_dcmip_routine=.TRUE. |
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| 104 | use_dcmip_routine=.FALSE. |
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| 105 | dummy=0. |
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| 106 | |
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| 107 | pp=peq |
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| 108 | DO j=jj_begin,jj_end |
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| 109 | DO i=ii_begin,ii_end |
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| 110 | ij=(j-1)*iim+i |
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| 111 | |
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| 112 | IF(use_dcmip_routine) THEN |
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| 113 | CALL test3_gravity_wave(lon_i(ij),lat_i(ij),pp,dummy,0, dummy,dummy,dummy,dummy,phis(ij),ps(ij),dummy,dummy) |
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| 114 | ELSE |
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| 115 | C1=C0*(cos(2*lat_i(ij))-1) |
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| 116 | |
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| 117 | !--- GROUND GEOPOTENTIAL |
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| 118 | phis(ij)=0. |
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| 119 | |
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| 120 | !--- GROUND TEMPERATURE |
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| 121 | Ts(ij) = GG+(Teq-GG)*EXP(-C1*(N/g)**2) |
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| 122 | |
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| 123 | !--- GROUND PRESSURE |
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| 124 | Ps(ij) = peq*EXP(C1/GG/Rd)*(Ts(ij)/Teq)**(1/kappa) |
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| 125 | |
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| 126 | |
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| 127 | r=radius*acos(sin(latc)*sin(lat_i(ij))+cos(latc)*cos(lat_i(ij))*cos(lon_i(ij)-lonc)) |
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| 128 | s(ij)= d**2/(d**2+r**2) |
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| 129 | END IF |
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| 130 | END DO |
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| 131 | END DO |
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| 132 | |
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| 133 | !$OMP BARRIER |
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| 134 | CALL compute_pression(ps,p,0) |
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| 135 | !$OMP BARRIER |
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| 136 | |
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| 137 | DO l=1,llm |
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| 138 | DO j=jj_begin,jj_end |
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| 139 | DO i=ii_begin,ii_end |
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| 140 | ij=(j-1)*iim+i |
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| 141 | pp=0.5*(p(ij,l+1)+p(ij,l)) ! full-layer pressure |
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| 142 | IF(use_dcmip_routine) THEN |
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| 143 | CALL test3_gravity_wave(lon_i(ij),lat_i(ij),pp,dummy,0, & |
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| 144 | dummy,dummy,dummy,Temp(ij,l),dummy,dummy,dummy,dummy) |
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| 145 | ELSE |
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| 146 | pspsk=(pp/ps(ij))**kappa |
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| 147 | p0psk=(Peq/ps(ij))**kappa |
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| 148 | thetab = Ts(ij)*p0psk / ( Ts(ij) / GG * ( pspsk-1) +1) ! background pot. temp. |
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| 149 | zz = -g/N**2*log( Ts(ij)/GG * (pspsk -1)+1) ! altitude |
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| 150 | thetap = dtheta *sin(2*Pi*zz/Lz) * s(ij) ! perturbation pot. temp. |
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| 151 | theta(ij,l) = thetab + thetap |
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| 152 | Temp(ij,l) = theta(ij,l)* ((pp/peq)**kappa) |
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| 153 | ! T(ij,l) = Ts(ij)*pspsk / ( Ts(ij) / GG * ( pspsk-1) +1) ! background temp. |
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| 154 | END IF |
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| 155 | ENDDO |
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| 156 | ENDDO |
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| 157 | ENDDO |
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| 158 | |
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| 159 | ! IF(use_dcmip_routine) THEN |
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| 160 | ! CALL compute_temperature2theta_rhodz(ps,T,theta_rhodz,0) |
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| 161 | ! ELSE |
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| 162 | ! CALL compute_temperature2theta_rhodz(ps,T,theta_rhodz,0) |
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| 163 | ! END IF |
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| 164 | |
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| 165 | pp=peq |
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| 166 | DO l=1,llm |
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| 167 | DO j=jj_begin-1,jj_end+1 |
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| 168 | DO i=ii_begin-1,ii_end+1 |
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| 169 | ij=(j-1)*iim+i |
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| 170 | IF(use_dcmip_routine) THEN |
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| 171 | CALL test3_gravity_wave(lon_e(ij+u_right),lat_e(ij+u_right), & |
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| 172 | pp,0.,0, ulon(ij+u_right,l),ulat(ij+u_right,l),& |
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| 173 | dummy,dummy,dummy,dummy,dummy,dummy) |
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| 174 | CALL test3_gravity_wave(lon_e(ij+u_lup),lat_e(ij+u_lup), & |
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| 175 | pp,0.,0, ulon(ij+u_lup,l),ulat(ij+u_lup,l),& |
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| 176 | dummy,dummy,dummy,dummy,dummy,dummy) |
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| 177 | CALL test3_gravity_wave(lon_e(ij+u_ldown),lat_e(ij+u_ldown), & |
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| 178 | pp,0.,0, ulon(ij+u_ldown,l),ulat(ij+u_ldown,l),& |
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| 179 | dummy,dummy,dummy,dummy,dummy,dummy) |
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| 180 | ELSE |
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| 181 | ulon(ij+u_right,l) = u0*cos(lat_e(ij+u_right)) |
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| 182 | ulat(ij+u_right,l) = 0 |
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| 183 | ulon(ij+u_lup,l) = u0*cos(lat_e(ij+u_lup)) |
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| 184 | ulat(ij+u_lup,l) = 0 |
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| 185 | ulon(ij+u_ldown,l) = u0*cos(lat_e(ij+u_ldown)) |
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| 186 | ulat(ij+u_ldown,l) = 0 |
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| 187 | END IF |
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| 188 | ENDDO |
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| 189 | ENDDO |
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| 190 | ENDDO |
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| 191 | |
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| 192 | CALL compute_wind_perp_from_lonlat_compound(ulon,ulat,u) |
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| 193 | |
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| 194 | END SUBROUTINE compute_etat0_DCMIP3 |
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| 195 | |
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| 196 | |
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| 197 | END MODULE etat0_DCMIP3_mod |
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