[17] | 1 | MODULE advect_tracer_mod |
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[19] | 2 | USE icosa |
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[583] | 3 | USE advect_mod |
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[138] | 4 | IMPLICIT NONE |
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[17] | 5 | PRIVATE |
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[22] | 6 | |
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[186] | 7 | TYPE(t_field),SAVE,POINTER :: f_normal(:) |
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| 8 | TYPE(t_field),SAVE,POINTER :: f_tangent(:) |
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| 9 | TYPE(t_field),SAVE,POINTER :: f_gradq3d(:) |
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| 10 | TYPE(t_field),SAVE,POINTER :: f_cc(:) ! starting point of backward-trajectory (Miura approach) |
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[252] | 11 | TYPE(t_field),SAVE,POINTER :: f_sqrt_leng(:) |
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[151] | 12 | |
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[186] | 13 | TYPE(t_message),SAVE :: req_u, req_cc, req_wfluxt, req_q, req_rhodz, req_gradq3d |
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[151] | 14 | |
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[136] | 15 | REAL(rstd), PARAMETER :: pente_max=2.0 ! for vlz |
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| 16 | |
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[151] | 17 | ! temporary shared variable for vlz |
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[186] | 18 | TYPE(t_field),SAVE,POINTER :: f_dzqw(:) ! vertical finite difference of q |
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| 19 | TYPE(t_field),SAVE,POINTER :: f_adzqw(:) ! abs(dzqw) |
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| 20 | TYPE(t_field),SAVE,POINTER :: f_dzq(:) ! limited slope of q |
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| 21 | TYPE(t_field),SAVE,POINTER :: f_wq(:) ! time-integrated flux of q |
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[151] | 22 | |
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[136] | 23 | PUBLIC init_advect_tracer, advect_tracer |
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| 24 | |
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[17] | 25 | CONTAINS |
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[22] | 26 | |
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[98] | 27 | SUBROUTINE init_advect_tracer |
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[295] | 28 | USE omp_para |
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[856] | 29 | USE grid_param |
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[22] | 30 | REAL(rstd),POINTER :: tangent(:,:) |
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| 31 | REAL(rstd),POINTER :: normal(:,:) |
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[252] | 32 | REAL(rstd),POINTER :: sqrt_leng(:) |
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[23] | 33 | INTEGER :: ind |
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[22] | 34 | |
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[138] | 35 | CALL allocate_field(f_normal,field_u,type_real,3, name='normal') |
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| 36 | CALL allocate_field(f_tangent,field_u,type_real,3, name='tangent') |
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| 37 | CALL allocate_field(f_gradq3d,field_t,type_real,llm,3, name='gradq3d') |
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| 38 | CALL allocate_field(f_cc,field_u,type_real,llm,3, name='cc') |
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[252] | 39 | CALL allocate_field(f_sqrt_leng,field_t,type_real, name='sqrt_leng') |
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[151] | 40 | CALL allocate_field(f_dzqw, field_t, type_real, llm, name='dzqw') |
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| 41 | CALL allocate_field(f_adzqw, field_t, type_real, llm, name='adzqw') |
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| 42 | CALL allocate_field(f_dzq, field_t, type_real, llm, name='dzq') |
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| 43 | CALL allocate_field(f_wq, field_t, type_real, llm+1, name='wq') |
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| 44 | |
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[856] | 45 | IF(grid_type == grid_ico) THEN |
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| 46 | DO ind=1,ndomain |
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| 47 | IF (.NOT. assigned_domain(ind)) CYCLE |
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| 48 | CALL swap_dimensions(ind) |
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| 49 | CALL swap_geometry(ind) |
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| 50 | normal=f_normal(ind) |
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| 51 | tangent=f_tangent(ind) |
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| 52 | sqrt_leng=f_sqrt_leng(ind) |
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| 53 | IF (is_omp_level_master) CALL init_advect(normal,tangent,sqrt_leng) |
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| 54 | END DO |
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| 55 | END IF |
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[22] | 56 | |
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[17] | 57 | END SUBROUTINE init_advect_tracer |
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[22] | 58 | |
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[592] | 59 | SUBROUTINE advect_tracer(f_hfluxt, f_wfluxt,f_u, f_q,f_rhodz,& |
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| 60 | frac, f_masst,f_qmasst,f_massfluxt,f_qfluxt) |
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| 61 | USE omp_para |
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[145] | 62 | USE trace |
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[347] | 63 | USE write_field_mod |
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[380] | 64 | USE tracer_mod |
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[136] | 65 | TYPE(t_field),POINTER :: f_hfluxt(:) ! time-integrated horizontal mass flux |
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| 66 | TYPE(t_field),POINTER :: f_wfluxt(:) ! time-integrated vertical mass flux |
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| 67 | TYPE(t_field),POINTER :: f_u(:) ! velocity (for back-trajectories) |
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| 68 | TYPE(t_field),POINTER :: f_q(:) ! tracer |
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| 69 | TYPE(t_field),POINTER :: f_rhodz(:) ! mass field at beginning of macro time step |
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[592] | 70 | REAL(rstd), INTENT(in):: frac ! ratio itau_adv/itau_out or 0. if not diagflux_on |
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| 71 | TYPE(t_field),POINTER :: f_masst(:) ! time-integrated mass |
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| 72 | TYPE(t_field),POINTER :: f_qmasst(:) ! time-integrated tracer mass |
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| 73 | TYPE(t_field),POINTER :: f_massfluxt(:)! time-integrated horizontal mass flux |
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[583] | 74 | TYPE(t_field),POINTER :: f_qfluxt(:) ! time-integrated horizontal tracer flux |
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[17] | 75 | |
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[252] | 76 | REAL(rstd),POINTER :: q(:,:,:), normal(:,:), tangent(:,:), sqrt_leng(:), gradq3d(:,:,:), cc(:,:,:) |
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[592] | 77 | REAL(rstd),POINTER :: hfluxt(:,:), wfluxt(:,:), masst(:,:), qmasst(:,:,:), massfluxt(:,:), qfluxt(:,:,:) |
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[136] | 78 | REAL(rstd),POINTER :: rhodz(:,:), u(:,:) |
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[151] | 79 | ! temporary shared variable for vlz |
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| 80 | REAL(rstd),POINTER :: dzqw(:,:) ! vertical finite difference of q |
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| 81 | REAL(rstd),POINTER :: adzqw(:,:) ! abs(dzqw) |
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| 82 | REAL(rstd),POINTER :: dzq(:,:) ! limited slope of q |
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| 83 | REAL(rstd),POINTER :: wq(:,:) ! time-integrated flux of q |
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| 84 | |
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[592] | 85 | INTEGER :: ind,k, nq_last |
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[151] | 86 | LOGICAL,SAVE :: first=.TRUE. |
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| 87 | !$OMP THREADPRIVATE(first) |
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[17] | 88 | |
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[151] | 89 | IF (first) THEN |
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| 90 | first=.FALSE. |
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[364] | 91 | CALL init_message(f_u,req_e1_vect,req_u, 'req_u') |
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| 92 | CALL init_message(f_cc,req_e1_scal,req_cc, 'req_cc') |
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| 93 | CALL init_message(f_wfluxt,req_i1,req_wfluxt, 'req_wfluxt') |
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| 94 | CALL init_message(f_q,req_i1,req_q, 'req_q') |
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| 95 | CALL init_message(f_rhodz,req_i1,req_rhodz, 'req_rhodz') |
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| 96 | CALL init_message(f_gradq3d,req_i1,req_gradq3d, 'req_gradq3d') |
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[151] | 97 | ENDIF |
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| 98 | |
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[186] | 99 | !!$OMP BARRIER |
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[151] | 100 | |
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[364] | 101 | IF(nqtot<1) RETURN |
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[380] | 102 | nq_last=-1 |
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| 103 | |
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| 104 | DO k = 1, nqtot |
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| 105 | IF (advection_scheme(k)==advect_vanleer) nq_last=k |
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| 106 | ENDDO |
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| 107 | |
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| 108 | IF(nq_last<0) RETURN |
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| 109 | |
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[145] | 110 | CALL trace_start("advect_tracer") |
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| 111 | |
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[151] | 112 | CALL send_message(f_u,req_u) |
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[327] | 113 | CALL send_message(f_wfluxt,req_wfluxt) |
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| 114 | CALL send_message(f_q,req_q) |
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| 115 | CALL send_message(f_rhodz,req_rhodz) |
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| 116 | |
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[186] | 117 | CALL wait_message(req_u) |
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| 118 | CALL wait_message(req_wfluxt) |
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| 119 | CALL wait_message(req_q) |
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[151] | 120 | CALL wait_message(req_rhodz) |
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| 121 | |
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[138] | 122 | ! 1/2 vertical transport + back-trajectories |
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[22] | 123 | DO ind=1,ndomain |
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[186] | 124 | IF (.NOT. assigned_domain(ind)) CYCLE |
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[17] | 125 | CALL swap_dimensions(ind) |
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| 126 | CALL swap_geometry(ind) |
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[138] | 127 | normal = f_normal(ind) |
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| 128 | tangent = f_tangent(ind) |
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| 129 | cc = f_cc(ind) |
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| 130 | u = f_u(ind) |
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[136] | 131 | q = f_q(ind) |
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| 132 | rhodz = f_rhodz(ind) |
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| 133 | wfluxt = f_wfluxt(ind) |
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[151] | 134 | dzqw = f_dzqw(ind) |
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| 135 | adzqw = f_adzqw(ind) |
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| 136 | dzq = f_dzq(ind) |
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| 137 | wq = f_wq(ind) |
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[148] | 138 | |
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[138] | 139 | DO k = 1, nqtot |
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[380] | 140 | IF (advection_scheme(k)==advect_vanleer) CALL vlz(k==nq_last,0.5, wfluxt,rhodz,q(:,:,k),1,dzqw, adzqw, dzq, wq) |
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[138] | 141 | END DO |
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[148] | 142 | |
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[138] | 143 | CALL compute_backward_traj(tangent,normal,u,0.5*dt*itau_adv, cc) |
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[151] | 144 | |
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[22] | 145 | END DO |
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[17] | 146 | |
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[174] | 147 | CALL send_message(f_cc,req_cc) |
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[17] | 148 | |
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[138] | 149 | ! horizontal transport - split in two to place transfer of gradq3d |
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[136] | 150 | DO k = 1, nqtot |
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[380] | 151 | IF (advection_scheme(k)==advect_vanleer) THEN |
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| 152 | |
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| 153 | DO ind=1,ndomain |
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[186] | 154 | IF (.NOT. assigned_domain(ind)) CYCLE |
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[138] | 155 | CALL swap_dimensions(ind) |
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| 156 | CALL swap_geometry(ind) |
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| 157 | q = f_q(ind) |
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| 158 | gradq3d = f_gradq3d(ind) |
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[252] | 159 | sqrt_leng=f_sqrt_leng(ind) |
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| 160 | CALL compute_gradq3d(q(:,:,k),sqrt_leng,gradq3d,xyz_i,xyz_v) |
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[380] | 161 | END DO |
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[17] | 162 | |
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[380] | 163 | CALL send_message(f_gradq3d,req_gradq3d) |
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| 164 | CALL wait_message(req_cc) |
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| 165 | CALL wait_message(req_gradq3d) |
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[17] | 166 | |
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[380] | 167 | DO ind=1,ndomain |
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[186] | 168 | IF (.NOT. assigned_domain(ind)) CYCLE |
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[138] | 169 | CALL swap_dimensions(ind) |
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| 170 | CALL swap_geometry(ind) |
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| 171 | cc = f_cc(ind) |
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| 172 | q = f_q(ind) |
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| 173 | rhodz = f_rhodz(ind) |
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| 174 | hfluxt = f_hfluxt(ind) |
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[583] | 175 | qfluxt = f_qfluxt(ind) |
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[138] | 176 | gradq3d = f_gradq3d(ind) |
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[592] | 177 | |
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| 178 | IF(frac>0.) THEN ! accumulate mass, mass flux and tracer mass |
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| 179 | qmasst = f_qmasst(ind) |
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| 180 | qmasst(:,ll_begin:ll_end,k) = qmasst(:,ll_begin:ll_end,k) + & |
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| 181 | frac*rhodz(:,ll_begin:ll_end)*q(:,ll_begin:ll_end,k) |
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| 182 | IF(k==nq_last) THEN |
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| 183 | masst = f_masst(ind) |
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| 184 | massfluxt = f_massfluxt(ind) |
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| 185 | masst(:,ll_begin:ll_end) = masst(:,ll_begin:ll_end)+frac*rhodz(:,ll_begin:ll_end) |
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| 186 | massfluxt(:,ll_begin:ll_end) = massfluxt(:,ll_begin:ll_end)+hfluxt(:,ll_begin:ll_end) |
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| 187 | END IF |
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| 188 | END IF |
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| 189 | CALL compute_advect_horiz(k==nq_last,frac>0., hfluxt,cc,gradq3d, rhodz, q(:,:,k), qfluxt(:,:,k)) |
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[380] | 190 | END DO |
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[592] | 191 | |
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[380] | 192 | ENDIF |
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[138] | 193 | END DO |
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[146] | 194 | |
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[136] | 195 | ! 1/2 vertical transport |
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[186] | 196 | !!$OMP BARRIER |
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[151] | 197 | |
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[138] | 198 | DO ind=1,ndomain |
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[186] | 199 | IF (.NOT. assigned_domain(ind)) CYCLE |
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[138] | 200 | CALL swap_dimensions(ind) |
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| 201 | CALL swap_geometry(ind) |
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| 202 | q = f_q(ind) |
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| 203 | rhodz = f_rhodz(ind) |
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| 204 | wfluxt = f_wfluxt(ind) |
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[151] | 205 | dzqw = f_dzqw(ind) |
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| 206 | adzqw = f_adzqw(ind) |
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| 207 | dzq = f_dzq(ind) |
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| 208 | wq = f_wq(ind) |
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| 209 | |
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[138] | 210 | DO k = 1,nqtot |
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[380] | 211 | IF (advection_scheme(k)==advect_vanleer) CALL vlz(k==nq_last, 0.5,wfluxt,rhodz, q(:,:,k),0, dzqw, adzqw, dzq, wq) |
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[138] | 212 | END DO |
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[151] | 213 | |
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[136] | 214 | END DO |
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[138] | 215 | |
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[146] | 216 | CALL trace_end("advect_tracer") |
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| 217 | |
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[186] | 218 | !!$OMP BARRIER |
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[151] | 219 | |
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[138] | 220 | END SUBROUTINE advect_tracer |
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| 221 | |
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[151] | 222 | SUBROUTINE vlz(update_mass, fac,wfluxt,mass, q, halo, dzqw, adzqw, dzq, wq) |
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[136] | 223 | ! |
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| 224 | ! Auteurs: P.Le Van, F.Hourdin, F.Forget, T. Dubos |
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| 225 | ! |
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| 226 | ! ******************************************************************** |
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| 227 | ! Update tracers using vertical mass flux only |
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| 228 | ! Van Leer scheme with minmod limiter |
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| 229 | ! wfluxt >0 for upward transport |
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| 230 | ! ******************************************************************** |
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[148] | 231 | USE trace |
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[151] | 232 | USE omp_para |
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[136] | 233 | LOGICAL, INTENT(IN) :: update_mass |
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| 234 | REAL(rstd), INTENT(IN) :: fac, wfluxt(iim*jjm,llm+1) ! vertical mass flux |
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| 235 | REAL(rstd), INTENT(INOUT) :: mass(iim*jjm,llm) |
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| 236 | REAL(rstd), INTENT(INOUT) :: q(iim*jjm,llm) |
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[148] | 237 | INTEGER, INTENT(IN) :: halo |
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[22] | 238 | |
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[151] | 239 | ! temporary shared variable |
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| 240 | REAL(rstd),INTENT(INOUT) :: dzqw(iim*jjm,llm), & ! vertical finite difference of q |
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| 241 | adzqw(iim*jjm,llm), & ! abs(dzqw) |
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| 242 | dzq(iim*jjm,llm), & ! limited slope of q |
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| 243 | wq(iim*jjm,llm+1) ! time-integrated flux of q |
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| 244 | |
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| 245 | |
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[136] | 246 | REAL(rstd) :: dzqmax, newmass, sigw, qq, w |
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[174] | 247 | INTEGER :: i,ij,l,j,ijb,ije |
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[22] | 248 | |
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[148] | 249 | CALL trace_start("vlz") |
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[174] | 250 | |
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| 251 | ijb=((jj_begin-halo)-1)*iim+ii_begin-halo |
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| 252 | ije = ((jj_end+halo)-1)*iim+ii_end+halo |
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[148] | 253 | |
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[136] | 254 | ! finite difference of q |
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[151] | 255 | |
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| 256 | DO l=ll_beginp1,ll_end |
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[487] | 257 | !DIR$ SIMD |
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[174] | 258 | DO ij=ijb,ije |
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| 259 | dzqw(ij,l)=q(ij,l)-q(ij,l-1) |
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| 260 | adzqw(ij,l)=abs(dzqw(ij,l)) |
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[22] | 261 | ENDDO |
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| 262 | ENDDO |
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| 263 | |
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[151] | 264 | !--> flush dzqw, adzqw |
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[295] | 265 | !$OMP BARRIER |
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[151] | 266 | |
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[136] | 267 | ! minmod-limited slope of q |
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| 268 | ! dzq = slope*dz, i.e. the reconstructed q varies by dzq inside level l |
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[151] | 269 | |
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| 270 | DO l=ll_beginp1,ll_endm1 |
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[487] | 271 | !DIR$ SIMD |
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[174] | 272 | DO ij=ijb,ije |
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| 273 | IF(dzqw(ij,l)*dzqw(ij,l+1).gt.0.) THEN |
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| 274 | dzq(ij,l) = 0.5*( dzqw(ij,l)+dzqw(ij,l+1) ) |
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| 275 | dzqmax = pente_max * min( adzqw(ij,l),adzqw(ij,l+1) ) |
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| 276 | dzq(ij,l) = sign( min(abs(dzq(ij,l)),dzqmax) , dzq(ij,l) ) ! NB : sign(a,b)=a*sign(b) |
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| 277 | ELSE |
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| 278 | dzq(ij,l)=0. |
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| 279 | ENDIF |
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[22] | 280 | ENDDO |
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| 281 | ENDDO |
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[17] | 282 | |
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[151] | 283 | |
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[136] | 284 | ! 0 slope in top and bottom layers |
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[295] | 285 | IF (is_omp_first_level) THEN |
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[174] | 286 | DO ij=ijb,ije |
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[151] | 287 | dzq(ij,1)=0. |
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| 288 | ENDDO |
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| 289 | ENDIF |
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| 290 | |
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[295] | 291 | IF (is_omp_last_level) THEN |
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[174] | 292 | DO ij=ijb,ije |
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[136] | 293 | dzq(ij,llm)=0. |
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[151] | 294 | ENDDO |
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| 295 | ENDIF |
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[17] | 296 | |
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[151] | 297 | !---> flush dzq |
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[295] | 298 | !$OMP BARRIER |
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[151] | 299 | |
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[136] | 300 | ! sigw = fraction of mass that leaves level l/l+1 |
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| 301 | ! then amount of q leaving level l/l+1 = wq = w * qq |
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[151] | 302 | DO l=ll_beginp1,ll_end |
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[487] | 303 | !DIR$ SIMD |
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[174] | 304 | DO ij=ijb,ije |
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[151] | 305 | w = fac*wfluxt(ij,l) |
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[138] | 306 | IF(w>0.) THEN ! upward transport, upwind side is at level l |
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[151] | 307 | sigw = w/mass(ij,l-1) |
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| 308 | qq = q(ij,l-1)+0.5*(1.-sigw)*dzq(ij,l-1) ! qq = q if sigw=1 , qq = q+dzq/2 if sigw=0 |
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| 309 | ELSE ! downward transport, upwind side is at level l+1 |
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[138] | 310 | sigw = w/mass(ij,l) |
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[151] | 311 | qq = q(ij,l)-0.5*(1.+sigw)*dzq(ij,l) ! qq = q if sigw=-1 , qq = q-dzq/2 if sigw=0 |
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[22] | 312 | ENDIF |
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[151] | 313 | wq(ij,l) = w*qq |
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[22] | 314 | ENDDO |
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| 315 | END DO |
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[136] | 316 | ! wq = 0 at top and bottom |
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[295] | 317 | IF (is_omp_first_level) THEN |
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[174] | 318 | DO ij=ijb,ije |
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[151] | 319 | wq(ij,1)=0. |
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| 320 | END DO |
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| 321 | ENDIF |
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| 322 | |
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[295] | 323 | IF (is_omp_last_level) THEN |
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[174] | 324 | DO ij=ijb,ije |
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[151] | 325 | wq(ij,llm+1)=0. |
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| 326 | END DO |
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| 327 | ENDIF |
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[17] | 328 | |
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[151] | 329 | ! --> flush wq |
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[295] | 330 | !$OMP BARRIER |
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[151] | 331 | |
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| 332 | |
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[136] | 333 | ! update q, mass is updated only after all q's have been updated |
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[151] | 334 | DO l=ll_begin,ll_end |
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[487] | 335 | !DIR$ SIMD |
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[174] | 336 | DO ij=ijb,ije |
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[136] | 337 | newmass = mass(ij,l) + fac*(wfluxt(ij,l)-wfluxt(ij,l+1)) |
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| 338 | q(ij,l) = ( q(ij,l)*mass(ij,l) + wq(ij,l)-wq(ij,l+1) ) / newmass |
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| 339 | IF(update_mass) mass(ij,l)=newmass |
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[22] | 340 | ENDDO |
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| 341 | END DO |
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[136] | 342 | |
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[148] | 343 | CALL trace_end("vlz") |
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| 344 | |
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[22] | 345 | END SUBROUTINE vlz |
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[17] | 346 | |
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| 347 | END MODULE advect_tracer_mod |
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