| 1 | ! |
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| 2 | ! |
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| 3 | ! |
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| 4 | SUBROUTINE thermcell_main(ngrid,nlay,nq,ptimestep,firstcall, & |
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| 5 | pplay,pplev,pphi,zpopsk, & |
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| 6 | pu,pv,pt,pq, & |
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| 7 | pduadj,pdvadj,pdtadj,pdqadj, & |
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| 8 | f0,fm0,entr0,detr0,zw2,fraca, & |
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| 9 | zqta,zqla,ztv,ztva,zhla,zhl,zqsa, & |
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| 10 | lmin,lmix,lalim,lmax) |
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| 11 | |
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| 12 | |
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| 13 | !=============================================================================== |
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| 14 | ! Auteurs: Frederic Hourdin, Catherine Rio, Anne Mathieu |
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| 15 | ! Version du 09.02.07 |
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| 16 | ! Calcul du transport vertical dans la couche limite en presence |
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| 17 | ! de "thermiques" explicitement representes avec processus nuageux |
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| 18 | ! |
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| 19 | ! Reecriture a partir d'un listing papier a Habas, le 14/02/00 |
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| 20 | ! |
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| 21 | ! le thermique est suppose homogene et dissipe par melange avec |
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| 22 | ! son environnement. la longueur l_mix controle l'efficacite du |
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| 23 | ! melange |
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| 24 | ! |
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| 25 | ! Le calcul du transport des differentes especes se fait en prenant |
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| 26 | ! en compte: |
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| 27 | ! 1. un flux de masse montant |
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| 28 | ! 2. un flux de masse descendant |
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| 29 | ! 3. un entrainement |
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| 30 | ! 4. un detrainement |
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| 31 | ! |
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| 32 | ! Modif 2013/01/04 (FH hourdin@lmd.jussieu.fr) |
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| 33 | ! Introduction of an implicit computation of vertical advection in |
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| 34 | ! the environment of thermal plumes in thermcell_dq |
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| 35 | ! impl = 0 : explicit ; impl = 1 : implicit ; impl =-1 : old version |
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| 36 | ! controled by iflag_thermals = |
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| 37 | ! 15, 16 run with impl=-1 : numerical convergence with NPv3 |
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| 38 | ! 17, 18 run with impl=1 : more stable |
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| 39 | ! 15 and 17 correspond to the activation of the stratocumulus "bidouille" |
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| 40 | ! |
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| 41 | ! Major changes 2018-19 (AB alexandre.boissinot@lmd.jussieu.fr) |
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| 42 | ! New detr and entre formulae (no longer alimentation) |
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| 43 | ! lmin can be greater than 1 |
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| 44 | ! Mix every tracer (EN COURS) |
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| 45 | ! Old version of thermcell_dq is removed |
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| 46 | ! Alternative version thermcell_dv2 is removed |
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| 47 | ! |
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| 48 | !=============================================================================== |
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| 49 | |
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| 50 | USE thermcell_mod |
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| 51 | USE tracer_h, ONLY: igcm_h2o_vap |
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| 52 | USE print_control_mod, ONLY: lunout, prt_level |
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| 53 | |
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| 54 | IMPLICIT NONE |
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| 55 | |
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| 56 | |
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| 57 | !=============================================================================== |
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| 58 | ! Declaration |
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| 59 | !=============================================================================== |
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| 60 | |
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| 61 | ! Inputs: |
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| 62 | ! ------- |
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| 63 | |
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| 64 | INTEGER ngrid, nlay, nq |
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| 65 | |
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| 66 | REAL ptimestep |
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| 67 | REAL pplay(ngrid,nlay) ! Layer pressure |
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| 68 | REAL pplev(ngrid,nlay+1) ! Level pressure |
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| 69 | REAL pphi(ngrid,nlay) ! Geopotential |
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| 70 | |
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| 71 | REAL pu(ngrid,nlay) ! Zonal wind |
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| 72 | REAL pv(ngrid,nlay) ! Meridional wind |
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| 73 | REAL pt(ngrid,nlay) ! Temperature |
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| 74 | REAL pq(ngrid,nlay,nq) ! Tracers mass mixing ratio |
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| 75 | |
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| 76 | LOGICAL firstcall |
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| 77 | |
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| 78 | ! Outputs: |
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| 79 | ! -------- |
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| 80 | |
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| 81 | REAL pduadj(ngrid,nlay) ! u convective variations |
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| 82 | REAL pdvadj(ngrid,nlay) ! v convective variations |
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| 83 | REAL pdtadj(ngrid,nlay) ! t convective variations |
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| 84 | REAL pdqadj(ngrid,nlay,nq) ! q convective variations |
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| 85 | |
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| 86 | REAL f0(ngrid) ! mass flux norm (after possible time relaxation) |
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| 87 | REAL fm0(ngrid,nlay+1) ! mass flux (after possible time relaxation) |
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| 88 | REAL entr0(ngrid,nlay) ! entrainment (after possible time relaxation) |
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| 89 | REAL detr0(ngrid,nlay) ! detrainment (after possible time relaxation) |
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| 90 | |
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| 91 | ! Local: |
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| 92 | ! ------ |
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| 93 | |
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| 94 | INTEGER ig, k, l, iq |
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| 95 | INTEGER lmax(ngrid) ! Highest layer reached by the plume |
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| 96 | INTEGER lmix(ngrid) ! Layer in which plume vertical speed is maximal |
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| 97 | INTEGER lmin(ngrid) ! First unstable layer |
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| 98 | |
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| 99 | REAL zlay(ngrid,nlay) ! Layers altitudes |
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| 100 | REAL zlev(ngrid,nlay+1) ! Levels altitudes |
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| 101 | REAL rho(ngrid,nlay) ! Layers densities |
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| 102 | REAL rhobarz(ngrid,nlay) ! Levels densities |
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| 103 | REAL masse(ngrid,nlay) ! Layers masses |
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| 104 | REAL zpopsk(ngrid,nlay) ! Exner function |
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| 105 | |
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| 106 | REAL zu(ngrid,nlay) ! u environment |
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| 107 | REAL zv(ngrid,nlay) ! v environment |
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| 108 | REAL zt(ngrid,nlay) ! TR environment |
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| 109 | REAL zqt(ngrid,nlay) ! qt environment |
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| 110 | REAL zql(ngrid,nlay) ! ql environment |
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| 111 | REAL zhl(ngrid,nlay) ! TP environment |
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| 112 | REAL ztv(ngrid,nlay) ! TRPV environment |
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| 113 | REAL zqs(ngrid,nlay) ! qsat environment |
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| 114 | |
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| 115 | REAL zua(ngrid,nlay) ! u plume |
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| 116 | REAL zva(ngrid,nlay) ! v plume |
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| 117 | REAL zta(ngrid,nlay) ! TR plume |
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| 118 | REAL zqla(ngrid,nlay) ! qv plume |
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| 119 | REAL zqta(ngrid,nlay) ! qt plume |
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| 120 | REAL zhla(ngrid,nlay) ! TP plume |
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| 121 | REAL ztva(ngrid,nlay) ! TRPV plume |
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| 122 | REAL zqsa(ngrid,nlay) ! qsat plume |
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| 123 | |
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| 124 | REAL zqa(ngrid,nlay,nq) ! q plume (ql=0, qv=qt) |
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| 125 | |
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| 126 | REAL linter(ngrid) ! Level (continuous) of maximal vertical speed |
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| 127 | REAL zmix(ngrid) ! Altitude of maximal vertical speed |
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| 128 | REAL zmax(ngrid) ! Maximal altitude reached by the plume |
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| 129 | REAL wmax(ngrid) ! Maximal vertical speed |
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| 130 | REAL zw2(ngrid,nlay+1) ! Plume vertical speed |
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| 131 | |
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| 132 | REAL fraca(ngrid,nlay+1) ! Updraft fraction |
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| 133 | |
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| 134 | REAL f_star(ngrid,nlay+1) ! Normalized mass flux |
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| 135 | REAL entr_star(ngrid,nlay) ! Normalized entrainment |
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| 136 | REAL detr_star(ngrid,nlay) ! Normalized detrainment |
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| 137 | |
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| 138 | REAL f(ngrid) ! Mass flux norm |
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| 139 | REAL fm(ngrid,nlay+1) ! Mass flux |
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| 140 | REAL entr(ngrid,nlay) ! Entrainment |
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| 141 | REAL detr(ngrid,nlay) ! Detrainment |
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| 142 | |
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| 143 | REAL lambda ! Time relaxation coefficent |
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| 144 | |
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| 145 | REAL zdthladj(ngrid,nlay) ! Potential temperature variations |
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| 146 | REAL dummy(ngrid,nlay) ! Dummy argument for thermcell_dq() |
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| 147 | |
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| 148 | CHARACTER (len=20) :: modname='thermcell_main' |
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| 149 | CHARACTER (len=80) :: abort_message |
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| 150 | |
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| 151 | ! AB: I remove alimentation, which is in fact included in entr_star. EN COURS |
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| 152 | INTEGER lalim(ngrid) ! Highest alimentation level |
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| 153 | REAL alim_star(ngrid,nlay) ! Normalized alimentation |
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| 154 | REAL alim_star_tot(ngrid) ! Integrated alimentation |
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| 155 | REAL alim_star_clos(ngrid,nlay) ! Closure alimentation |
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| 156 | |
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| 157 | !=============================================================================== |
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| 158 | ! Initialization |
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| 159 | !=============================================================================== |
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| 160 | |
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| 161 | IF (firstcall) THEN |
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| 162 | fm0(:,:) = 0. |
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| 163 | entr0(:,:) = 0. |
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| 164 | detr0(:,:) = 0. |
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| 165 | ENDIF |
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| 166 | |
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| 167 | f_star(:,:) = 0. |
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| 168 | entr_star(:,:) = 0. |
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| 169 | detr_star(:,:) = 0. |
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| 170 | |
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| 171 | f(:) = 0. |
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| 172 | |
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| 173 | fm(:,:) = 0. |
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| 174 | entr(:,:) = 0. |
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| 175 | detr(:,:) = 0. |
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| 176 | |
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| 177 | lmax(:) = 1 |
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| 178 | lmix(:) = 1 |
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| 179 | lmin(:) = 1 |
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| 180 | |
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| 181 | pduadj(:,:) = 0.0 |
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| 182 | pdvadj(:,:) = 0.0 |
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| 183 | pdtadj(:,:) = 0.0 |
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| 184 | pdqadj(:,:,:) = 0.0 |
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| 185 | |
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| 186 | ! AB: I remove alimentation, which is in fact included in entr_star. EN COURS |
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| 187 | alim_star(:,:) = 0. |
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| 188 | alim_star_tot(:) = 0. |
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| 189 | alim_star_clos(:,:) = 0. |
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| 190 | lalim(:) = 1 |
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| 191 | |
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| 192 | ! AB: Careful, hard-coded value from Earth tuned version of the thermal plume model! |
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| 193 | DO ig=1,ngrid |
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| 194 | f0(ig) = max(f0(ig), 1.e-2) |
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| 195 | ENDDO |
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| 196 | |
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| 197 | IF (prt_level.ge.20) then |
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| 198 | DO ig=1,ngrid |
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| 199 | print *, 'ig,f0', ig, f0(ig) |
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| 200 | ENDDO |
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| 201 | ENDIF |
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| 202 | |
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| 203 | !=============================================================================== |
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| 204 | ! Environment settings |
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| 205 | !=============================================================================== |
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| 206 | |
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| 207 | !------------------------------------------------------------------------------- |
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| 208 | ! Calcul de T,q,ql a partir de Tl et qt dans l environnement |
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| 209 | !------------------------------------------------------------------------------- |
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| 210 | |
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| 211 | CALL thermcell_env(ngrid,nlay,nq,pq,pt,pu,pv,pplay,pplev, & |
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| 212 | & zqt,zql,zt,ztv,zhl,zu,zv,zpopsk,zqs) |
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| 213 | |
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| 214 | !------------------------------------------------------------------------------- |
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| 215 | ! Levels and layers altitudes |
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| 216 | !------------------------------------------------------------------------------- |
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| 217 | |
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| 218 | DO l=2,nlay |
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| 219 | zlev(:,l) = 0.5 * (pphi(:,l) + pphi(:,l-1)) / RG |
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| 220 | ENDDO |
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| 221 | |
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| 222 | zlev(:,1) = 0. |
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| 223 | zlev(:,nlay+1) = (2. * pphi(:,nlay) - pphi(:,nlay-1)) / RG |
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| 224 | |
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| 225 | DO l=1,nlay |
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| 226 | zlay(:,l) = pphi(:,l)/RG |
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| 227 | ENDDO |
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| 228 | |
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| 229 | !------------------------------------------------------------------------------- |
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| 230 | ! Levels and layers densities |
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| 231 | !------------------------------------------------------------------------------- |
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| 232 | |
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| 233 | rho(:,:) = pplay(:,:) / (zpopsk(:,:) * RD * ztv(:,:)) |
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| 234 | |
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| 235 | IF (prt_level.ge.10) THEN |
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| 236 | write(lunout,*) 'WARNING: thermcell_main rhobarz(:,1)=rho(:,1)' |
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| 237 | ENDIF |
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| 238 | |
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| 239 | rhobarz(:,1) = rho(:,1) |
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| 240 | |
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| 241 | DO l=2,nlay |
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| 242 | rhobarz(:,l) = 0.5 * (rho(:,l) + rho(:,l-1)) |
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| 243 | ENDDO |
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| 244 | |
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| 245 | !------------------------------------------------------------------------------- |
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| 246 | ! Layers masses |
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| 247 | !------------------------------------------------------------------------------- |
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| 248 | |
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| 249 | DO l=1,nlay |
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| 250 | masse(:,l) = (pplev(:,l) - pplev(:,l+1)) / RG |
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| 251 | ENDDO |
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| 252 | |
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| 253 | !=============================================================================== |
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| 254 | ! Explicative schemes |
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| 255 | !=============================================================================== |
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| 256 | |
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| 257 | !------------------------------------------------------------------------------- |
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| 258 | ! Thermal plume variables |
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| 259 | !------------------------------------------------------------------------------- |
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| 260 | |
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| 261 | ! top of the model |
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| 262 | ! =========================== |
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| 263 | ! |
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| 264 | ! --------------------------- |
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| 265 | ! _ |
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| 266 | ! ----- F_lmax+1=0 ------zmax \ |
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| 267 | ! lmax | |
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| 268 | ! ------F_lmax>0------------- | |
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| 269 | ! | |
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| 270 | ! --------------------------- | |
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| 271 | ! | |
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| 272 | ! --------------------------- | |
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| 273 | ! | |
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| 274 | ! ------------------wmax,zmix | |
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| 275 | ! lmix | |
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| 276 | ! --------------------------- | |
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| 277 | ! | |
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| 278 | ! --------------------------- | |
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| 279 | ! | E, D |
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| 280 | ! --------------------------- | |
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| 281 | ! | |
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| 282 | ! --------------------------- rhobarz, f_star, fm, fm0, zw2, fraca |
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| 283 | ! zt, zu, zv, zo, rho | |
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| 284 | ! --------------------------- | |
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| 285 | ! | |
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| 286 | ! --------------------------- | |
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| 287 | ! | |
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| 288 | ! --------------------------- | |
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| 289 | ! | |
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| 290 | ! ------F_lmin+1>0----------- | |
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| 291 | ! lmin | |
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| 292 | ! ----- F_lmin=0 ------------ _/ |
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| 293 | ! |
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| 294 | ! --------------------------- |
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| 295 | ! |
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| 296 | ! =========================== |
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| 297 | ! bottom of the model |
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| 298 | |
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| 299 | !------------------------------------------------------------------------------- |
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| 300 | ! Zoom on layers k and k-1 |
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| 301 | !------------------------------------------------------------------------------- |
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| 302 | |
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| 303 | ! | /|\ | | |
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| 304 | ! |---- | F_k+1 -----------|--------------------------| level k+1 |
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| 305 | ! | | w_k+1 | | |
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| 306 | ! | --|--> D_k | |
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| 307 | ! | | | layer k |
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| 308 | ! | <--|-- E_k | |
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| 309 | ! | /|\ | | |
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| 310 | ! |---- | F_k ----------|-----------------------------| level k |
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| 311 | ! | | w_k | | |
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| 312 | ! | --|--> D_k-1 | |
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| 313 | ! | | | layer k-1 |
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| 314 | ! | <--|-- E_k-1 | |
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| 315 | ! | /|\ | | |
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| 316 | ! |---- | F_k-1 -----|--------------------------------| level k-1 |
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| 317 | ! | w_k-1 |
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| 318 | ! 0 fraca 1 |
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| 319 | ! \__________________/ \______________________________/ |
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| 320 | ! plume (fraca) environment (1-fraca) |
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| 321 | |
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| 322 | !=============================================================================== |
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| 323 | ! Thermal plumes computation |
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| 324 | !=============================================================================== |
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| 325 | |
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| 326 | !------------------------------------------------------------------------------- |
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| 327 | ! Thermal plumes speeds, fluxes, tracers and temperatures |
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| 328 | !------------------------------------------------------------------------------- |
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| 329 | |
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| 330 | CALL thermcell_plume(ngrid,nlay,nq,ptimestep,ztv, & |
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| 331 | & zhl,zqt,zql,rhobarz,zlev,pplev,pphi,zpopsk, & |
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| 332 | & detr_star,entr_star,f_star, & |
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| 333 | & ztva,zhla,zqla,zqta,zta, & |
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| 334 | & zw2,zqsa,lmix,lmin) |
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| 335 | |
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| 336 | !------------------------------------------------------------------------------- |
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| 337 | ! Thermal plumes characteristics: zmax, zmix, wmax |
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| 338 | !------------------------------------------------------------------------------- |
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| 339 | |
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| 340 | ! AB: Careful, zw2 became its square root in thermcell_height! |
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| 341 | CALL thermcell_height(ngrid,nlay,lmin,linter,lmix,zw2, & |
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| 342 | & zlev,lmax,zmax,zmix,wmax,f_star) |
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| 343 | |
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| 344 | !=============================================================================== |
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| 345 | ! Closure and mass fluxes computation |
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| 346 | !=============================================================================== |
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| 347 | |
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| 348 | !------------------------------------------------------------------------------- |
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| 349 | ! Closure |
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| 350 | !------------------------------------------------------------------------------- |
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| 351 | |
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| 352 | CALL thermcell_closure(ngrid,nlay,ptimestep,rho,zlev, & |
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| 353 | & lmax,entr_star,zmax,wmax,f) |
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| 354 | |
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| 355 | IF (tau_thermals>1.) THEN |
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| 356 | lambda = exp(-ptimestep/tau_thermals) |
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| 357 | f0(:) = (1.-lambda) * f(:) + lambda * f0(:) |
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| 358 | ELSE |
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| 359 | f0(:) = f(:) |
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| 360 | ENDIF |
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| 361 | |
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| 362 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 363 | ! Test valable seulement en 1D mais pas genant |
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| 364 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 365 | IF (.not. (f0(1).ge.0.) ) THEN |
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| 366 | abort_message = '.not. (f0(1).ge.0.)' |
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| 367 | print *, 'f0 =', f0(1) |
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| 368 | CALL abort_physic(modname,abort_message,1) |
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| 369 | ENDIF |
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| 370 | |
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| 371 | !------------------------------------------------------------------------------- |
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| 372 | ! Mass fluxes |
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| 373 | !------------------------------------------------------------------------------- |
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| 374 | |
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| 375 | CALL thermcell_flux(ngrid,nlay,ptimestep,masse, & |
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| 376 | ! AB: I remove alimentation, which is in fact included in entr_star. EN COURS |
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| 377 | ! That is not already done for thermcell_flux. |
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| 378 | & lalim,lmin,lmax,entr_star,detr_star, & |
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| 379 | & f,rhobarz,zlev,zw2,fm,entr,detr,zqla) |
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| 380 | |
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| 381 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 382 | ! On ne prend pas directement les profils issus des calculs precedents mais on |
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| 383 | ! s'autorise genereusement une relaxation vers ceci avec une constante de temps |
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| 384 | ! tau_thermals (typiquement 1800s sur Terre). |
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| 385 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 386 | |
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| 387 | IF (tau_thermals>1.) THEN |
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| 388 | lambda = exp(-ptimestep/tau_thermals) |
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| 389 | fm0 = (1.-lambda) * fm + lambda * fm0 |
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| 390 | entr0 = (1.-lambda) * entr + lambda * entr0 |
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| 391 | detr0 = (1.-lambda) * detr + lambda * detr0 |
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| 392 | ELSE |
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| 393 | fm0(:,:) = fm(:,:) |
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| 394 | entr0(:,:) = entr(:,:) |
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| 395 | detr0(:,:) = detr(:,:) |
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| 396 | ENDIF |
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| 397 | |
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| 398 | !------------------------------------------------------------------------------- |
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| 399 | ! Updraft fraction |
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| 400 | !------------------------------------------------------------------------------- |
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| 401 | |
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| 402 | DO ig=1,ngrid |
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| 403 | fraca(ig,1) = 0. |
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| 404 | fraca(ig,nlay+1) = 0. |
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| 405 | ENDDO |
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| 406 | |
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| 407 | DO l=2,nlay |
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| 408 | DO ig=1,ngrid |
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| 409 | IF (zw2(ig,l).gt.0.) THEN |
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| 410 | fraca(ig,l) = fm(ig,l) / (rhobarz(ig,l) * zw2(ig,l)) |
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| 411 | ELSE |
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| 412 | fraca(ig,l) = 0. |
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| 413 | ENDIF |
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| 414 | ENDDO |
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| 415 | ENDDO |
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| 416 | |
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| 417 | !=============================================================================== |
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| 418 | ! Transport vertical |
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| 419 | !=============================================================================== |
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| 420 | |
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| 421 | !------------------------------------------------------------------------------- |
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| 422 | ! Calcul du transport vertical de la temperature potentielle |
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| 423 | !------------------------------------------------------------------------------- |
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| 424 | |
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| 425 | CALL thermcell_dq(ngrid,nlay,ptimestep,fm0,entr0,detr0,masse, & |
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| 426 | & zhl,zdthladj,dummy,lmin) |
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| 427 | |
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| 428 | DO l=1,nlay |
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| 429 | DO ig=1,ngrid |
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| 430 | pdtadj(ig,l) = zdthladj(ig,l) * zpopsk(ig,l) |
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| 431 | ENDDO |
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| 432 | ENDDO |
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| 433 | |
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| 434 | !------------------------------------------------------------------------------- |
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| 435 | ! Calcul du transport vertical des traceurs |
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| 436 | !------------------------------------------------------------------------------- |
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| 437 | |
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| 438 | DO iq=1,nq |
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| 439 | CALL thermcell_dq(ngrid,nlay,ptimestep,fm0,entr0,detr0,masse, & |
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| 440 | & pq(:,:,iq),pdqadj(:,:,iq),zqa(:,:,iq),lmin) |
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| 441 | ENDDO |
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| 442 | |
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| 443 | !------------------------------------------------------------------------------- |
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| 444 | ! Calcul du transport vertical du moment horizontal |
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| 445 | !------------------------------------------------------------------------------- |
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| 446 | |
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| 447 | CALL thermcell_dq(ngrid,nlay,ptimestep,fm0,entr0,detr0,masse, & |
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| 448 | & zu,pduadj,zua,lmin) |
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| 449 | |
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| 450 | CALL thermcell_dq(ngrid,nlay,ptimestep,fm0,entr0,detr0,masse, & |
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| 451 | & zv,pdvadj,zva,lmin) |
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| 452 | |
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| 453 | |
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| 454 | RETURN |
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| 455 | END |
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