[17] | 1 | MODULE advect_tracer_mod |
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[19] | 2 | USE icosa |
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[599] | 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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[22] | 29 | REAL(rstd),POINTER :: tangent(:,:) |
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| 30 | REAL(rstd),POINTER :: normal(:,:) |
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[252] | 31 | REAL(rstd),POINTER :: sqrt_leng(:) |
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[23] | 32 | INTEGER :: ind |
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[22] | 33 | |
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[138] | 34 | CALL allocate_field(f_normal,field_u,type_real,3, name='normal') |
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| 35 | CALL allocate_field(f_tangent,field_u,type_real,3, name='tangent') |
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| 36 | CALL allocate_field(f_gradq3d,field_t,type_real,llm,3, name='gradq3d') |
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| 37 | CALL allocate_field(f_cc,field_u,type_real,llm,3, name='cc') |
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[252] | 38 | CALL allocate_field(f_sqrt_leng,field_t,type_real, name='sqrt_leng') |
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[151] | 39 | CALL allocate_field(f_dzqw, field_t, type_real, llm, name='dzqw') |
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| 40 | CALL allocate_field(f_adzqw, field_t, type_real, llm, name='adzqw') |
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| 41 | CALL allocate_field(f_dzq, field_t, type_real, llm, name='dzq') |
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| 42 | CALL allocate_field(f_wq, field_t, type_real, llm+1, name='wq') |
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| 43 | |
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[22] | 44 | DO ind=1,ndomain |
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[186] | 45 | IF (.NOT. assigned_domain(ind)) CYCLE |
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[22] | 46 | CALL swap_dimensions(ind) |
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| 47 | CALL swap_geometry(ind) |
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| 48 | normal=f_normal(ind) |
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| 49 | tangent=f_tangent(ind) |
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[252] | 50 | sqrt_leng=f_sqrt_leng(ind) |
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[295] | 51 | IF (is_omp_level_master) CALL init_advect(normal,tangent,sqrt_leng) |
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[22] | 52 | END DO |
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| 53 | |
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[17] | 54 | END SUBROUTINE init_advect_tracer |
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[22] | 55 | |
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[599] | 56 | SUBROUTINE advect_tracer(f_hfluxt, f_wfluxt,f_u, f_q,f_rhodz,& |
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| 57 | frac, f_masst,f_qmasst,f_massfluxt,f_qfluxt) |
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| 58 | USE omp_para |
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[145] | 59 | USE trace |
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[347] | 60 | USE write_field_mod |
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[380] | 61 | USE tracer_mod |
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[136] | 62 | TYPE(t_field),POINTER :: f_hfluxt(:) ! time-integrated horizontal mass flux |
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| 63 | TYPE(t_field),POINTER :: f_wfluxt(:) ! time-integrated vertical mass flux |
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| 64 | TYPE(t_field),POINTER :: f_u(:) ! velocity (for back-trajectories) |
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| 65 | TYPE(t_field),POINTER :: f_q(:) ! tracer |
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| 66 | TYPE(t_field),POINTER :: f_rhodz(:) ! mass field at beginning of macro time step |
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[599] | 67 | REAL(rstd), INTENT(in):: frac ! ratio itau_adv/itau_out or 0. if not diagflux_on |
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| 68 | TYPE(t_field),POINTER :: f_masst(:) ! time-integrated mass |
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| 69 | TYPE(t_field),POINTER :: f_qmasst(:) ! time-integrated tracer mass |
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| 70 | TYPE(t_field),POINTER :: f_massfluxt(:)! time-integrated horizontal mass flux |
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| 71 | TYPE(t_field),POINTER :: f_qfluxt(:) ! time-integrated horizontal tracer flux |
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[17] | 72 | |
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[252] | 73 | REAL(rstd),POINTER :: q(:,:,:), normal(:,:), tangent(:,:), sqrt_leng(:), gradq3d(:,:,:), cc(:,:,:) |
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[599] | 74 | REAL(rstd),POINTER :: hfluxt(:,:), wfluxt(:,:), masst(:,:), qmasst(:,:,:), massfluxt(:,:), qfluxt(:,:,:) |
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[136] | 75 | REAL(rstd),POINTER :: rhodz(:,:), u(:,:) |
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[151] | 76 | ! temporary shared variable for vlz |
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| 77 | REAL(rstd),POINTER :: dzqw(:,:) ! vertical finite difference of q |
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| 78 | REAL(rstd),POINTER :: adzqw(:,:) ! abs(dzqw) |
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| 79 | REAL(rstd),POINTER :: dzq(:,:) ! limited slope of q |
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| 80 | REAL(rstd),POINTER :: wq(:,:) ! time-integrated flux of q |
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| 81 | |
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[599] | 82 | INTEGER :: ind,k, nq_last |
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[151] | 83 | LOGICAL,SAVE :: first=.TRUE. |
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| 84 | !$OMP THREADPRIVATE(first) |
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[17] | 85 | |
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[151] | 86 | IF (first) THEN |
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| 87 | first=.FALSE. |
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[364] | 88 | CALL init_message(f_u,req_e1_vect,req_u, 'req_u') |
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| 89 | CALL init_message(f_cc,req_e1_scal,req_cc, 'req_cc') |
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| 90 | CALL init_message(f_wfluxt,req_i1,req_wfluxt, 'req_wfluxt') |
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| 91 | CALL init_message(f_q,req_i1,req_q, 'req_q') |
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| 92 | CALL init_message(f_rhodz,req_i1,req_rhodz, 'req_rhodz') |
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| 93 | CALL init_message(f_gradq3d,req_i1,req_gradq3d, 'req_gradq3d') |
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[151] | 94 | ENDIF |
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| 95 | |
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[186] | 96 | !!$OMP BARRIER |
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[151] | 97 | |
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[364] | 98 | IF(nqtot<1) RETURN |
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[380] | 99 | nq_last=-1 |
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| 100 | |
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| 101 | DO k = 1, nqtot |
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| 102 | IF (advection_scheme(k)==advect_vanleer) nq_last=k |
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| 103 | ENDDO |
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| 104 | |
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| 105 | IF(nq_last<0) RETURN |
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| 106 | |
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[145] | 107 | CALL trace_start("advect_tracer") |
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| 108 | |
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[151] | 109 | CALL send_message(f_u,req_u) |
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[327] | 110 | CALL send_message(f_wfluxt,req_wfluxt) |
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| 111 | CALL send_message(f_q,req_q) |
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| 112 | CALL send_message(f_rhodz,req_rhodz) |
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| 113 | |
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[186] | 114 | CALL wait_message(req_u) |
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| 115 | CALL wait_message(req_wfluxt) |
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| 116 | CALL wait_message(req_q) |
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[151] | 117 | CALL wait_message(req_rhodz) |
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| 118 | |
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[138] | 119 | ! 1/2 vertical transport + back-trajectories |
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[22] | 120 | DO ind=1,ndomain |
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[186] | 121 | IF (.NOT. assigned_domain(ind)) CYCLE |
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[17] | 122 | CALL swap_dimensions(ind) |
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| 123 | CALL swap_geometry(ind) |
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[138] | 124 | normal = f_normal(ind) |
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| 125 | tangent = f_tangent(ind) |
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| 126 | cc = f_cc(ind) |
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| 127 | u = f_u(ind) |
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[136] | 128 | q = f_q(ind) |
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| 129 | rhodz = f_rhodz(ind) |
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| 130 | wfluxt = f_wfluxt(ind) |
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[151] | 131 | dzqw = f_dzqw(ind) |
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| 132 | adzqw = f_adzqw(ind) |
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| 133 | dzq = f_dzq(ind) |
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| 134 | wq = f_wq(ind) |
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[148] | 135 | |
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[138] | 136 | DO k = 1, nqtot |
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[380] | 137 | 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] | 138 | END DO |
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[148] | 139 | |
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[138] | 140 | CALL compute_backward_traj(tangent,normal,u,0.5*dt*itau_adv, cc) |
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[151] | 141 | |
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[22] | 142 | END DO |
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[17] | 143 | |
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[174] | 144 | CALL send_message(f_cc,req_cc) |
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[17] | 145 | |
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[138] | 146 | ! horizontal transport - split in two to place transfer of gradq3d |
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[136] | 147 | DO k = 1, nqtot |
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[380] | 148 | IF (advection_scheme(k)==advect_vanleer) THEN |
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| 149 | |
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| 150 | DO ind=1,ndomain |
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[186] | 151 | IF (.NOT. assigned_domain(ind)) CYCLE |
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[138] | 152 | CALL swap_dimensions(ind) |
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| 153 | CALL swap_geometry(ind) |
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| 154 | q = f_q(ind) |
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| 155 | gradq3d = f_gradq3d(ind) |
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[252] | 156 | sqrt_leng=f_sqrt_leng(ind) |
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| 157 | CALL compute_gradq3d(q(:,:,k),sqrt_leng,gradq3d,xyz_i,xyz_v) |
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[380] | 158 | END DO |
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[17] | 159 | |
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[380] | 160 | CALL send_message(f_gradq3d,req_gradq3d) |
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| 161 | CALL wait_message(req_cc) |
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| 162 | CALL wait_message(req_gradq3d) |
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[17] | 163 | |
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[380] | 164 | DO ind=1,ndomain |
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[186] | 165 | IF (.NOT. assigned_domain(ind)) CYCLE |
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[138] | 166 | CALL swap_dimensions(ind) |
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| 167 | CALL swap_geometry(ind) |
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| 168 | cc = f_cc(ind) |
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| 169 | q = f_q(ind) |
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| 170 | rhodz = f_rhodz(ind) |
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| 171 | hfluxt = f_hfluxt(ind) |
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[599] | 172 | qfluxt = f_qfluxt(ind) |
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[138] | 173 | gradq3d = f_gradq3d(ind) |
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[599] | 174 | |
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| 175 | IF(frac>0.) THEN ! accumulate mass, mass flux and tracer mass |
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| 176 | qmasst = f_qmasst(ind) |
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| 177 | qmasst(:,ll_begin:ll_end,k) = qmasst(:,ll_begin:ll_end,k) + & |
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| 178 | frac*rhodz(:,ll_begin:ll_end)*q(:,ll_begin:ll_end,k) |
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| 179 | IF(k==nq_last) THEN |
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| 180 | masst = f_masst(ind) |
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| 181 | massfluxt = f_massfluxt(ind) |
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| 182 | masst(:,ll_begin:ll_end) = masst(:,ll_begin:ll_end)+frac*rhodz(:,ll_begin:ll_end) |
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| 183 | massfluxt(:,ll_begin:ll_end) = massfluxt(:,ll_begin:ll_end)+hfluxt(:,ll_begin:ll_end) |
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| 184 | END IF |
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| 185 | END IF |
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| 186 | CALL compute_advect_horiz(k==nq_last,frac>0., hfluxt,cc,gradq3d, rhodz, q(:,:,k), qfluxt(:,:,k)) |
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[380] | 187 | END DO |
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[599] | 188 | |
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[380] | 189 | ENDIF |
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[138] | 190 | END DO |
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[146] | 191 | |
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[136] | 192 | ! 1/2 vertical transport |
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[186] | 193 | !!$OMP BARRIER |
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[151] | 194 | |
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[138] | 195 | DO ind=1,ndomain |
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[186] | 196 | IF (.NOT. assigned_domain(ind)) CYCLE |
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[138] | 197 | CALL swap_dimensions(ind) |
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| 198 | CALL swap_geometry(ind) |
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| 199 | q = f_q(ind) |
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| 200 | rhodz = f_rhodz(ind) |
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| 201 | wfluxt = f_wfluxt(ind) |
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[151] | 202 | dzqw = f_dzqw(ind) |
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| 203 | adzqw = f_adzqw(ind) |
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| 204 | dzq = f_dzq(ind) |
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| 205 | wq = f_wq(ind) |
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| 206 | |
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[138] | 207 | DO k = 1,nqtot |
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[380] | 208 | IF (advection_scheme(k)==advect_vanleer) CALL vlz(k==nq_last, 0.5,wfluxt,rhodz, q(:,:,k),0, dzqw, adzqw, dzq, wq) |
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[138] | 209 | END DO |
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[151] | 210 | |
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[136] | 211 | END DO |
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[138] | 212 | |
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[146] | 213 | CALL trace_end("advect_tracer") |
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| 214 | |
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[186] | 215 | !!$OMP BARRIER |
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[151] | 216 | |
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[138] | 217 | END SUBROUTINE advect_tracer |
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| 218 | |
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[151] | 219 | SUBROUTINE vlz(update_mass, fac,wfluxt,mass, q, halo, dzqw, adzqw, dzq, wq) |
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[136] | 220 | ! |
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| 221 | ! Auteurs: P.Le Van, F.Hourdin, F.Forget, T. Dubos |
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| 222 | ! |
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| 223 | ! ******************************************************************** |
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| 224 | ! Update tracers using vertical mass flux only |
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| 225 | ! Van Leer scheme with minmod limiter |
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| 226 | ! wfluxt >0 for upward transport |
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| 227 | ! ******************************************************************** |
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[148] | 228 | USE trace |
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[151] | 229 | USE omp_para |
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[136] | 230 | LOGICAL, INTENT(IN) :: update_mass |
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| 231 | REAL(rstd), INTENT(IN) :: fac, wfluxt(iim*jjm,llm+1) ! vertical mass flux |
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| 232 | REAL(rstd), INTENT(INOUT) :: mass(iim*jjm,llm) |
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| 233 | REAL(rstd), INTENT(INOUT) :: q(iim*jjm,llm) |
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[148] | 234 | INTEGER, INTENT(IN) :: halo |
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[22] | 235 | |
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[151] | 236 | ! temporary shared variable |
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| 237 | REAL(rstd),INTENT(INOUT) :: dzqw(iim*jjm,llm), & ! vertical finite difference of q |
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| 238 | adzqw(iim*jjm,llm), & ! abs(dzqw) |
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| 239 | dzq(iim*jjm,llm), & ! limited slope of q |
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| 240 | wq(iim*jjm,llm+1) ! time-integrated flux of q |
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| 241 | |
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| 242 | |
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[136] | 243 | REAL(rstd) :: dzqmax, newmass, sigw, qq, w |
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[174] | 244 | INTEGER :: i,ij,l,j,ijb,ije |
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[22] | 245 | |
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[148] | 246 | CALL trace_start("vlz") |
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[174] | 247 | |
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| 248 | ijb=((jj_begin-halo)-1)*iim+ii_begin-halo |
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| 249 | ije = ((jj_end+halo)-1)*iim+ii_end+halo |
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[148] | 250 | |
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[136] | 251 | ! finite difference of q |
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[151] | 252 | |
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| 253 | DO l=ll_beginp1,ll_end |
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[487] | 254 | !DIR$ SIMD |
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[174] | 255 | DO ij=ijb,ije |
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| 256 | dzqw(ij,l)=q(ij,l)-q(ij,l-1) |
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| 257 | adzqw(ij,l)=abs(dzqw(ij,l)) |
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[22] | 258 | ENDDO |
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| 259 | ENDDO |
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| 260 | |
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[151] | 261 | !--> flush dzqw, adzqw |
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[295] | 262 | !$OMP BARRIER |
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[151] | 263 | |
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[136] | 264 | ! minmod-limited slope of q |
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| 265 | ! dzq = slope*dz, i.e. the reconstructed q varies by dzq inside level l |
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[151] | 266 | |
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| 267 | DO l=ll_beginp1,ll_endm1 |
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[487] | 268 | !DIR$ SIMD |
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[174] | 269 | DO ij=ijb,ije |
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| 270 | IF(dzqw(ij,l)*dzqw(ij,l+1).gt.0.) THEN |
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| 271 | dzq(ij,l) = 0.5*( dzqw(ij,l)+dzqw(ij,l+1) ) |
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| 272 | dzqmax = pente_max * min( adzqw(ij,l),adzqw(ij,l+1) ) |
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| 273 | dzq(ij,l) = sign( min(abs(dzq(ij,l)),dzqmax) , dzq(ij,l) ) ! NB : sign(a,b)=a*sign(b) |
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| 274 | ELSE |
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| 275 | dzq(ij,l)=0. |
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| 276 | ENDIF |
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[22] | 277 | ENDDO |
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| 278 | ENDDO |
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[17] | 279 | |
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[151] | 280 | |
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[136] | 281 | ! 0 slope in top and bottom layers |
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[295] | 282 | IF (is_omp_first_level) THEN |
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[174] | 283 | DO ij=ijb,ije |
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[151] | 284 | dzq(ij,1)=0. |
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| 285 | ENDDO |
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| 286 | ENDIF |
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| 287 | |
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[295] | 288 | IF (is_omp_last_level) THEN |
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[174] | 289 | DO ij=ijb,ije |
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[136] | 290 | dzq(ij,llm)=0. |
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[151] | 291 | ENDDO |
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| 292 | ENDIF |
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[17] | 293 | |
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[151] | 294 | !---> flush dzq |
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[295] | 295 | !$OMP BARRIER |
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[151] | 296 | |
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[136] | 297 | ! sigw = fraction of mass that leaves level l/l+1 |
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| 298 | ! then amount of q leaving level l/l+1 = wq = w * qq |
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[151] | 299 | DO l=ll_beginp1,ll_end |
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[487] | 300 | !DIR$ SIMD |
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[174] | 301 | DO ij=ijb,ije |
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[151] | 302 | w = fac*wfluxt(ij,l) |
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[138] | 303 | IF(w>0.) THEN ! upward transport, upwind side is at level l |
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[151] | 304 | sigw = w/mass(ij,l-1) |
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| 305 | 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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| 306 | ELSE ! downward transport, upwind side is at level l+1 |
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[138] | 307 | sigw = w/mass(ij,l) |
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[151] | 308 | 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] | 309 | ENDIF |
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[151] | 310 | wq(ij,l) = w*qq |
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[22] | 311 | ENDDO |
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| 312 | END DO |
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[136] | 313 | ! wq = 0 at top and bottom |
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[295] | 314 | IF (is_omp_first_level) THEN |
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[174] | 315 | DO ij=ijb,ije |
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[151] | 316 | wq(ij,1)=0. |
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| 317 | END DO |
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| 318 | ENDIF |
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| 319 | |
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[295] | 320 | IF (is_omp_last_level) THEN |
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[174] | 321 | DO ij=ijb,ije |
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[151] | 322 | wq(ij,llm+1)=0. |
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| 323 | END DO |
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| 324 | ENDIF |
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[17] | 325 | |
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[151] | 326 | ! --> flush wq |
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[295] | 327 | !$OMP BARRIER |
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[151] | 328 | |
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| 329 | |
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[136] | 330 | ! update q, mass is updated only after all q's have been updated |
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[151] | 331 | DO l=ll_begin,ll_end |
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[487] | 332 | !DIR$ SIMD |
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[174] | 333 | DO ij=ijb,ije |
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[136] | 334 | newmass = mass(ij,l) + fac*(wfluxt(ij,l)-wfluxt(ij,l+1)) |
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| 335 | q(ij,l) = ( q(ij,l)*mass(ij,l) + wq(ij,l)-wq(ij,l+1) ) / newmass |
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| 336 | IF(update_mass) mass(ij,l)=newmass |
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[22] | 337 | ENDDO |
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| 338 | END DO |
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[136] | 339 | |
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[148] | 340 | CALL trace_end("vlz") |
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| 341 | |
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[22] | 342 | END SUBROUTINE vlz |
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[17] | 343 | |
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| 344 | END MODULE advect_tracer_mod |
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