[17] | 1 | MODULE advect_tracer_mod |
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[19] | 2 | USE icosa |
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[17] | 3 | PRIVATE |
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| 4 | INTEGER,PARAMETER::iapp_tracvl= 3 |
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| 5 | REAL(rstd),SAVE :: dt |
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[22] | 6 | |
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| 7 | TYPE(t_field),POINTER :: f_normal(:) |
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| 8 | TYPE(t_field),POINTER :: f_tangent(:) |
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| 9 | TYPE(t_field),POINTER :: f_gradq3d(:) |
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| 10 | |
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[17] | 11 | PUBLIC init_advect_tracer, advect_tracer |
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| 12 | |
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| 13 | CONTAINS |
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[22] | 14 | |
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[17] | 15 | SUBROUTINE init_advect_tracer(dt_in) |
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[22] | 16 | USE advect_mod |
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| 17 | IMPLICIT NONE |
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[17] | 18 | REAL(rstd),INTENT(IN) :: dt_in |
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[22] | 19 | REAL(rstd),POINTER :: tangent(:,:) |
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| 20 | REAL(rstd),POINTER :: normal(:,:) |
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[23] | 21 | INTEGER :: ind |
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[22] | 22 | |
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[17] | 23 | dt=dt_in |
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[22] | 24 | CALL allocate_field(f_normal,field_u,type_real,3) |
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| 25 | CALL allocate_field(f_tangent,field_u,type_real,3) |
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| 26 | CALL allocate_field(f_gradq3d,field_t,type_real,llm,3) |
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| 27 | |
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| 28 | DO ind=1,ndomain |
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| 29 | CALL swap_dimensions(ind) |
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| 30 | CALL swap_geometry(ind) |
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| 31 | normal=f_normal(ind) |
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| 32 | tangent=f_tangent(ind) |
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| 33 | CALL init_advect(normal,tangent) |
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| 34 | END DO |
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| 35 | |
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[17] | 36 | END SUBROUTINE init_advect_tracer |
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[22] | 37 | |
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| 38 | SUBROUTINE advect_tracer(f_ps,f_u,f_q) |
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| 39 | USE icosa |
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| 40 | USE advect_mod |
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| 41 | USE disvert_mod |
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| 42 | IMPLICIT NONE |
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| 43 | TYPE(t_field),POINTER :: f_ps(:) |
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| 44 | TYPE(t_field),POINTER :: f_u(:) |
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| 45 | TYPE(t_field),POINTER :: f_q(:) |
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| 46 | REAL(rstd),POINTER :: q(:,:,:) |
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| 47 | REAL(rstd),POINTER :: u(:,:) |
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| 48 | REAL(rstd),POINTER :: ps(:) |
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| 49 | REAL(rstd),POINTER :: massflx(:,:) |
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| 50 | REAL(rstd),POINTER :: rhodz(:,:) |
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| 51 | TYPE(t_field),POINTER,SAVE :: f_massflxc(:) |
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| 52 | TYPE(t_field),POINTER,SAVE :: f_massflx(:) |
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| 53 | TYPE(t_field),POINTER,SAVE :: f_uc(:) |
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| 54 | TYPE(t_field),POINTER,SAVE :: f_rhodzm1(:) |
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| 55 | TYPE(t_field),POINTER,SAVE :: f_rhodz(:) |
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| 56 | REAL(rstd),POINTER,SAVE :: massflxc(:,:) |
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| 57 | REAL(rstd),POINTER,SAVE :: uc(:,:) |
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| 58 | REAL(rstd),POINTER,SAVE :: rhodzm1(:,:) |
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| 59 | REAL(rstd):: bigt |
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| 60 | INTEGER :: ind,it,i,j,l,ij |
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| 61 | INTEGER,SAVE :: iadvtr=0 |
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| 62 | LOGICAL,SAVE:: first=.TRUE. |
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| 63 | !------------------------------------------------------sarvesh |
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[17] | 64 | IF ( first ) THEN |
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[22] | 65 | CALL allocate_field(f_rhodz,field_t,type_real,llm) |
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| 66 | CALL allocate_field(f_rhodzm1,field_t,type_real,llm) |
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| 67 | CALL allocate_field(f_massflxc,field_u,type_real,llm) |
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| 68 | CALL allocate_field(f_massflx,field_u,type_real,llm) |
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| 69 | CALL allocate_field(f_uc,field_u,type_real,llm) |
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| 70 | first = .FALSE. |
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| 71 | END IF |
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[17] | 72 | |
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| 73 | DO ind=1,ndomain |
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[22] | 74 | CALL swap_dimensions(ind) |
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| 75 | CALL swap_geometry(ind) |
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| 76 | rhodz=f_rhodz(ind) |
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| 77 | massflx=f_massflx(ind) |
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| 78 | ps=f_ps(ind) |
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| 79 | u=f_u(ind) |
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| 80 | |
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| 81 | DO l = 1, llm |
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| 82 | DO j=jj_begin-1,jj_end+1 |
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| 83 | DO i=ii_begin-1,ii_end+1 |
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| 84 | ij=(j-1)*iim+i |
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| 85 | rhodz(ij,l) = (ap(l) - ap(l+1) + (bp(l)-bp(l+1))*ps(ij))/g |
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| 86 | ENDDO |
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[17] | 87 | ENDDO |
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[22] | 88 | ENDDO |
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[17] | 89 | |
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[22] | 90 | DO l = 1, llm |
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| 91 | DO j=jj_begin-1,jj_end+1 |
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| 92 | DO i=ii_begin-1,ii_end+1 |
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| 93 | ij=(j-1)*iim+i |
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| 94 | massflx(ij+u_right,l)=0.5*(rhodz(ij,l)+rhodz(ij+t_right,l))*u(ij+u_right,l)*le(ij+u_right) |
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| 95 | massflx(ij+u_lup,l)=0.5*(rhodz(ij,l)+rhodz(ij+t_lup,l))*u(ij+u_lup,l)*le(ij+u_lup) |
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| 96 | massflx(ij+u_ldown,l)=0.5*(rhodz(ij,l)+rhodz(ij+t_ldown,l))*u(ij+u_ldown,l)*le(ij+u_ldown) |
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| 97 | ENDDO |
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[17] | 98 | ENDDO |
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[22] | 99 | ENDDO |
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[17] | 100 | ENDDO |
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| 101 | |
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[22] | 102 | IF ( iadvtr == 0 ) THEN |
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| 103 | DO ind=1,ndomain |
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| 104 | CALL swap_dimensions(ind) |
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| 105 | CALL swap_geometry(ind) |
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| 106 | rhodz=f_rhodz(ind) |
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| 107 | rhodzm1 = f_rhodzm1(ind) |
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| 108 | massflxc = f_massflxc(ind) ! accumulated mass fluxes |
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| 109 | uc = f_uc(ind) ! time-integrated normal velocity to compute back-trajectory (Miura) |
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| 110 | rhodzm1 = rhodz |
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| 111 | massflxc = 0.0 |
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| 112 | uc = 0.0 |
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| 113 | END DO |
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| 114 | CALL transfert_request(f_rhodzm1,req_i1) !----> |
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| 115 | CALL transfert_request(f_massflxc,req_e1) !----> |
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| 116 | CALL transfert_request(f_massflxc,req_e1) !------> |
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| 117 | CALL transfert_request(f_uc,req_e1) !----> |
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| 118 | CALL transfert_request(f_uc,req_e1) |
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| 119 | END IF |
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[17] | 120 | |
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[22] | 121 | iadvtr = iadvtr + 1 |
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[17] | 122 | |
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[22] | 123 | DO ind=1,ndomain |
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[17] | 124 | CALL swap_dimensions(ind) |
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| 125 | CALL swap_geometry(ind) |
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[22] | 126 | massflx = f_massflx(ind) |
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| 127 | massflxc = f_massflxc(ind) |
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| 128 | uc = f_uc(ind) |
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| 129 | u = f_u(ind) |
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| 130 | massflxc = massflxc + massflx |
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| 131 | uc = uc + u |
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| 132 | END DO |
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| 133 | |
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| 134 | IF ( iadvtr == iapp_tracvl ) THEN |
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[25] | 135 | PRINT *, 'Advection scheme' |
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[22] | 136 | bigt = dt*iapp_tracvl |
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| 137 | DO ind=1,ndomain |
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| 138 | CALL swap_dimensions(ind) |
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| 139 | CALL swap_geometry(ind) |
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| 140 | uc = f_uc(ind) |
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| 141 | uc = uc/real(iapp_tracvl) |
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| 142 | massflxc = f_massflx(ind) |
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| 143 | massflxc = massflxc*dt |
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| 144 | ! now massflx is time-integrated |
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[17] | 145 | END DO |
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| 146 | |
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| 147 | CALL vlsplt(f_q,f_rhodzm1,f_massflxc,2.0,f_uc,bigt) |
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[22] | 148 | iadvtr = 0 |
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| 149 | END IF |
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[17] | 150 | END SUBROUTINE advect_tracer |
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| 151 | |
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[22] | 152 | SUBROUTINE vlsplt(f_q,f_rhodz,f_massflx,pente_max,f_u,bigt) |
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| 153 | USE field_mod |
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| 154 | USE domain_mod |
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| 155 | USE dimensions |
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| 156 | USE grid_param |
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| 157 | USE geometry |
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| 158 | USE metric |
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| 159 | USE advect_mod |
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| 160 | IMPLICIT NONE |
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[17] | 161 | |
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[22] | 162 | TYPE(t_field),POINTER :: f_q(:) |
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| 163 | TYPE(t_field),POINTER :: f_u(:) |
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| 164 | TYPE(t_field),POINTER :: f_rhodz(:) |
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| 165 | TYPE(t_field),POINTER :: f_massflx(:) |
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[17] | 166 | |
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[22] | 167 | TYPE(t_field),POINTER,SAVE :: f_wg(:) |
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| 168 | TYPE(t_field),POINTER,SAVE :: f_zm(:) |
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| 169 | TYPE(t_field),POINTER,SAVE :: f_zq(:) |
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[17] | 170 | |
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[22] | 171 | REAL(rstd)::bigt,dt |
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| 172 | REAL(rstd),POINTER :: q(:,:,:) |
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| 173 | REAL(rstd),POINTER :: u(:,:) |
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| 174 | REAL(rstd),POINTER :: rhodz(:,:) |
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| 175 | REAL(rstd),POINTER :: massflx(:,:) |
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| 176 | REAL(rstd),POINTER :: wg(:,:) |
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| 177 | REAL(rstd),POINTER :: zq(:,:,:) |
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| 178 | REAL(rstd),POINTER :: zm(:,:) |
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| 179 | REAL(rstd),POINTER :: tangent(:,:) |
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| 180 | REAL(rstd),POINTER :: normal(:,:) |
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| 181 | REAL(rstd),POINTER :: gradq3d(:,:,:) |
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[17] | 182 | |
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[22] | 183 | REAL(rstd)::pente_max |
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| 184 | LOGICAL,SAVE::first = .true. |
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| 185 | INTEGER :: i,ij,l,j,ind,k |
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| 186 | REAL(rstd) :: zzpbar, zzw |
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| 187 | REAL::qvmax,qvmin |
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[17] | 188 | |
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[22] | 189 | IF ( first ) THEN |
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[17] | 190 | CALL allocate_field(f_wg,field_t,type_real,llm) |
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| 191 | CALL allocate_field(f_zm,field_t,type_real,llm) |
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| 192 | CALL allocate_field(f_zq,field_t,type_real,llm,nqtot) |
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| 193 | first = .FALSE. |
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[22] | 194 | END IF |
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[17] | 195 | |
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[22] | 196 | DO ind=1,ndomain |
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[17] | 197 | CALL swap_dimensions(ind) |
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| 198 | CALL swap_geometry(ind) |
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[22] | 199 | q=f_q(ind) |
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| 200 | rhodz=f_rhodz(ind) |
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| 201 | zq=f_zq(ind) |
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| 202 | zm=f_zm(ind) |
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| 203 | zm = rhodz ; zq = q |
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| 204 | wg = f_wg(ind) |
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| 205 | wg = 0.0 |
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| 206 | massflx=f_massflx(ind) |
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| 207 | CALL advtrac(massflx,wg) ! compute vertical mass fluxes |
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| 208 | END DO |
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[17] | 209 | |
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[22] | 210 | ! CALL transfert_request(f_wg,req_i1) |
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[17] | 211 | |
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[22] | 212 | DO ind=1,ndomain |
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| 213 | CALL swap_dimensions(ind) |
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| 214 | CALL swap_geometry(ind) |
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| 215 | zq=f_zq(ind) |
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| 216 | zm=f_zm(ind) |
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| 217 | wg=f_wg(ind) |
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| 218 | wg=wg*0.5 |
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[17] | 219 | DO k = 1, nqtot |
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[22] | 220 | CALL vlz(zq(:,:,k),2.,zm,wg) |
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[17] | 221 | END DO |
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[22] | 222 | END DO |
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[17] | 223 | |
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[22] | 224 | DO ind=1,ndomain |
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| 225 | CALL swap_dimensions(ind) |
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| 226 | CALL swap_geometry(ind) |
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| 227 | zq=f_zq(ind) |
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| 228 | zq = f_zq(ind) |
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| 229 | zm = f_zm(ind) |
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| 230 | massflx =f_massflx(ind) |
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| 231 | u = f_u(ind) |
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| 232 | tangent = f_tangent(ind) |
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| 233 | normal = f_normal(ind) |
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| 234 | gradq3d = f_gradq3d(ind) |
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[17] | 235 | |
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[22] | 236 | DO k = 1,nqtot |
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| 237 | CALL compute_gradq3d(zq(:,:,k),gradq3d) |
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[23] | 238 | CALL compute_advect_horiz(tangent,normal,zq(:,:,k),gradq3d,zm,u,massflx,bigt) |
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[22] | 239 | END DO |
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| 240 | END DO |
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[17] | 241 | |
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[22] | 242 | DO ind=1,ndomain |
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| 243 | CALL swap_dimensions(ind) |
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| 244 | CALL swap_geometry(ind) |
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| 245 | q = f_q(ind) |
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| 246 | zq = f_zq(ind) |
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| 247 | zm = f_zm(ind) |
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| 248 | wg = f_wg(ind) |
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| 249 | DO k = 1,nqtot |
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| 250 | CALL vlz(zq(:,:,k),2.,zm,wg) |
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| 251 | END DO |
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| 252 | q = zq |
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| 253 | END DO |
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[17] | 254 | |
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[22] | 255 | END SUBROUTINE vlsplt |
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[17] | 256 | |
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[22] | 257 | !============================================================================== |
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| 258 | SUBROUTINE advtrac(massflx,wgg) |
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| 259 | USE domain_mod |
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| 260 | USE dimensions |
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| 261 | USE grid_param |
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| 262 | USE geometry |
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| 263 | USE metric |
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| 264 | USE disvert_mod |
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| 265 | IMPLICIT NONE |
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| 266 | REAL(rstd),INTENT(IN) :: massflx(iim*3*jjm,llm) |
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| 267 | REAL(rstd),INTENT(OUT) :: wgg(iim*jjm,llm) |
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[17] | 268 | |
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[22] | 269 | INTEGER :: i,j,ij,l |
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| 270 | REAL(rstd) :: convm(iim*jjm,llm) |
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[17] | 271 | |
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[22] | 272 | DO l = 1, llm |
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| 273 | DO j=jj_begin,jj_end |
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| 274 | DO i=ii_begin,ii_end |
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| 275 | ij=(j-1)*iim+i |
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| 276 | ! divergence of horizontal flux |
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| 277 | convm(ij,l)= 1/(Ai(ij))*(ne(ij,right)*massflx(ij+u_right,l) + & |
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| 278 | ne(ij,rup)*massflx(ij+u_rup,l) + & |
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| 279 | ne(ij,lup)*massflx(ij+u_lup,l) + & |
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| 280 | ne(ij,left)*massflx(ij+u_left,l) + & |
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| 281 | ne(ij,ldown)*massflx(ij+u_ldown,l) + & |
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| 282 | ne(ij,rdown)*massflx(ij+u_rdown,l)) |
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| 283 | ENDDO |
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| 284 | ENDDO |
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| 285 | ENDDO |
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[17] | 286 | |
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[22] | 287 | ! accumulate divergence from top of model |
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| 288 | DO l = llm-1, 1, -1 |
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| 289 | DO j=jj_begin,jj_end |
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| 290 | DO i=ii_begin,ii_end |
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| 291 | ij=(j-1)*iim+i |
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| 292 | convm(ij,l) = convm(ij,l) + convm(ij,l+1) |
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| 293 | ENDDO |
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| 294 | ENDDO |
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| 295 | ENDDO |
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[17] | 296 | |
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[22] | 297 | !!! Compute vertical velocity |
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| 298 | DO l = 1,llm-1 |
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| 299 | DO j=jj_begin,jj_end |
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| 300 | DO i=ii_begin,ii_end |
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| 301 | ij=(j-1)*iim+i |
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| 302 | wgg( ij, l+1 ) = (convm( ij, l+1 ) - bp(l+1) * convm( ij, 1 )) |
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| 303 | ENDDO |
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| 304 | ENDDO |
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| 305 | ENDDO |
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[17] | 306 | |
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[22] | 307 | DO j=jj_begin,jj_end |
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| 308 | DO i=ii_begin,ii_end |
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| 309 | ij=(j-1)*iim+i |
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| 310 | wgg(ij,1) = 0. |
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[17] | 311 | ENDDO |
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[22] | 312 | ENDDO |
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| 313 | END SUBROUTINE advtrac |
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[17] | 314 | |
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[22] | 315 | SUBROUTINE vlz(q,pente_max,masse,wgg) |
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| 316 | !c |
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| 317 | !c Auteurs: P.Le Van, F.Hourdin, F.Forget |
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| 318 | !c |
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| 319 | !c ******************************************************************** |
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| 320 | !c Shema d'advection " pseudo amont " . |
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| 321 | !c ******************************************************************** |
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| 322 | USE icosa |
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| 323 | IMPLICIT NONE |
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| 324 | !c |
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| 325 | !c Arguments: |
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| 326 | !c ---------- |
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| 327 | REAL masse(iim*jjm,llm),pente_max |
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| 328 | REAL q(iim*jjm,llm) |
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| 329 | REAL wgg(iim*jjm,llm),w(iim*jjm,llm+1) |
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| 330 | REAL dq(iim*jjm,llm) |
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| 331 | INTEGER i,ij,l,j,ii |
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| 332 | !c |
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| 333 | REAL wq(iim*jjm,llm+1),newmasse |
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| 334 | |
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| 335 | REAL dzq(iim*jjm,llm),dzqw(iim*jjm,llm),adzqw(iim*jjm,llm),dzqmax |
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| 336 | REAL sigw |
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| 337 | |
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| 338 | REAL SSUM |
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| 339 | |
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| 340 | |
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| 341 | w(:,1:llm) = -wgg(:,:) ! w>0 for downward transport |
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| 342 | w(:,llm+1) = 0.0 |
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| 343 | |
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| 344 | !c On oriente tout dans le sens de la pression c'est a dire dans le |
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| 345 | !c sens de W |
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| 346 | |
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| 347 | DO l=2,llm |
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| 348 | DO j=jj_begin,jj_end |
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| 349 | DO i=ii_begin,ii_end |
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| 350 | ij=(j-1)*iim+i |
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| 351 | dzqw(ij,l)=q(ij,l-1)-q(ij,l) |
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| 352 | adzqw(ij,l)=abs(dzqw(ij,l)) |
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| 353 | ENDDO |
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| 354 | ENDDO |
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| 355 | ENDDO |
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| 356 | |
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| 357 | DO l=2,llm-1 |
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| 358 | DO j=jj_begin,jj_end |
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| 359 | DO i=ii_begin,ii_end |
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| 360 | ij=(j-1)*iim+i |
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| 361 | IF(dzqw(ij,l)*dzqw(ij,l+1).gt.0.) THEN |
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[17] | 362 | dzq(ij,l)=0.5*(dzqw(ij,l)+dzqw(ij,l+1)) |
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[22] | 363 | ELSE |
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[17] | 364 | dzq(ij,l)=0. |
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[22] | 365 | ENDIF |
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| 366 | dzqmax=pente_max*min(adzqw(ij,l),adzqw(ij,l+1)) |
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| 367 | dzq(ij,l)=sign(min(abs(dzq(ij,l)),dzqmax),dzq(ij,l)) |
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| 368 | ENDDO |
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| 369 | ENDDO |
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| 370 | ENDDO |
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[17] | 371 | |
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[22] | 372 | DO l=2,llm-1 |
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| 373 | DO j=jj_begin,jj_end |
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| 374 | DO i=ii_begin,ii_end |
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| 375 | ij=(j-1)*iim+i |
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| 376 | dzq(ij,1)=0. |
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| 377 | dzq(ij,llm)=0. |
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| 378 | ENDDO |
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| 379 | ENDDO |
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| 380 | ENDDO |
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| 381 | !c --------------------------------------------------------------- |
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| 382 | !c .... calcul des termes d'advection verticale ....... |
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| 383 | !c --------------------------------------------------------------- |
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[17] | 384 | |
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[22] | 385 | !c calcul de - d( q * w )/ d(sigma) qu'on ajoute a dq pour calculer dq |
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[17] | 386 | |
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[22] | 387 | DO l = 1,llm-1 |
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| 388 | DO j=jj_begin,jj_end |
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| 389 | DO i=ii_begin,ii_end |
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[17] | 390 | ij=(j-1)*iim+i |
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| 391 | IF(w(ij,l+1).gt.0.) THEN |
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[22] | 392 | ! upwind only if downward transport |
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| 393 | sigw=w(ij,l+1)/masse(ij,l+1) |
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| 394 | wq(ij,l+1)=w(ij,l+1)*(q(ij,l+1)+0.5*(1.-sigw)*dzq(ij,l+1)) |
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[17] | 395 | ELSE |
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[22] | 396 | ! upwind only if upward transport |
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| 397 | sigw=w(ij,l+1)/masse(ij,l) |
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| 398 | wq(ij,l+1)=w(ij,l+1)*(q(ij,l)-0.5*(1.+sigw)*dzq(ij,l)) |
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| 399 | ENDIF |
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| 400 | ENDDO |
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| 401 | ENDDO |
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| 402 | END DO |
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[17] | 403 | |
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[22] | 404 | DO j=jj_begin,jj_end |
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| 405 | DO i=ii_begin,ii_end |
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| 406 | ij=(j-1)*iim+i |
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| 407 | wq(ij,llm+1)=0. |
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| 408 | wq(ij,1)=0. |
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| 409 | ENDDO |
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| 410 | END DO |
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[17] | 411 | |
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[22] | 412 | DO l=1,llm |
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[17] | 413 | DO j=jj_begin,jj_end |
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[22] | 414 | DO i=ii_begin,ii_end |
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[17] | 415 | ij=(j-1)*iim+i |
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[22] | 416 | ! masse -= dw/dz but w>0 <=> downward |
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| 417 | newmasse=masse(ij,l)+(w(ij,l+1)-w(ij,l)) |
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| 418 | ! dq(ij,l) = (wq(ij,l+1)-wq(ij,l)) !================>>>> |
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| 419 | q(ij,l)=(q(ij,l)*masse(ij,l)+wq(ij,l+1)-wq(ij,l))/newmasse |
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| 420 | ! masse(ij,l)=newmasse |
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| 421 | ENDDO |
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| 422 | ENDDO |
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| 423 | END DO |
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| 424 | RETURN |
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| 425 | END SUBROUTINE vlz |
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[17] | 426 | |
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| 427 | END MODULE advect_tracer_mod |
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