| 1 | ! |
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| 2 | ! |
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| 3 | ! |
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| 4 | SUBROUTINE thermcell_plume(itap,ngrid,nlay,ptimestep,ztv, & |
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| 5 | zthl,po,zl,rhobarz,zlev,pplev,pphi,zpspsk, & |
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| 6 | alim_star,alim_star_tot,lalim,f0,detr_star, & |
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| 7 | entr_star,f_star,ztva,ztla,zqla,zqta,zha, & |
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| 8 | zw2,w_est,ztva_est,zqsatth,lmix,lmix_bis, & |
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| 9 | lmin,lev_out,lunout1,igout) |
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| 10 | |
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| 11 | |
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| 12 | !============================================================================== |
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| 13 | ! thermcell_plume: calcule les valeurs de qt, thetal et w dans l ascendance |
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| 14 | ! AB : ql means "liquid water mass mixing ratio" |
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| 15 | ! qt means "total water mass mixing ratio" |
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| 16 | ! TP means "potential temperature" |
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| 17 | ! TRPV means "virtual potential temperature with latent heat release" |
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| 18 | ! TPV means "virtual potential temperature" |
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| 19 | ! TR means "temperature with latent heat release" |
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| 20 | !============================================================================== |
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| 21 | |
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| 22 | USE print_control_mod, ONLY: prt_level |
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| 23 | USE watercommon_h, ONLY: RLvCp, RETV, Psat_water |
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| 24 | USE thermcell_mod |
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| 25 | |
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| 26 | IMPLICIT NONE |
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| 27 | |
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| 28 | |
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| 29 | !============================================================================== |
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| 30 | ! Declaration |
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| 31 | !============================================================================== |
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| 32 | |
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| 33 | ! inputs: |
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| 34 | ! ------- |
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| 35 | |
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| 36 | INTEGER itap |
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| 37 | INTEGER ngrid |
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| 38 | INTEGER nlay |
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| 39 | INTEGER lunout1 |
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| 40 | INTEGER igout |
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| 41 | INTEGER lev_out ! niveau pour les print |
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| 42 | |
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| 43 | REAL ptimestep ! time step |
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| 44 | REAL ztv(ngrid,nlay) ! TRPV environment |
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| 45 | REAL zthl(ngrid,nlay) ! TP environment |
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| 46 | REAL po(ngrid,nlay) ! qt environment |
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| 47 | REAL zl(ngrid,nlay) ! ql environment |
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| 48 | REAL rhobarz(ngrid,nlay) ! levels density |
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| 49 | REAL zlev(ngrid,nlay+1) ! levels altitude |
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| 50 | REAL pplev(ngrid,nlay+1) ! levels pressure |
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| 51 | REAL pphi(ngrid,nlay) ! geopotential |
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| 52 | REAL zpspsk(ngrid,nlay) ! Exner function |
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| 53 | |
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| 54 | ! outputs: |
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| 55 | ! -------- |
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| 56 | |
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| 57 | INTEGER lmin(ngrid) ! plume base level (first unstable level) |
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| 58 | INTEGER lalim(ngrid) ! higher alimentation level |
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| 59 | INTEGER lmix(ngrid) ! maximum vertical speed level |
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| 60 | INTEGER lmix_bis(ngrid) ! maximum vertical speed level (modified) |
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| 61 | |
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| 62 | REAL alim_star(ngrid,nlay) ! normalized alimentation |
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| 63 | REAL alim_star_tot(ngrid) ! integrated alimentation |
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| 64 | |
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| 65 | REAL f0(ngrid) ! previous time step mass flux norm |
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| 66 | |
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| 67 | REAL detr_star(ngrid,nlay) ! normalized detrainment |
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| 68 | REAL entr_star(ngrid,nlay) ! normalized entrainment |
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| 69 | REAL f_star(ngrid,nlay+1) ! normalized mass flux |
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| 70 | |
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| 71 | REAL ztva(ngrid,nlay) ! TRPV plume (after mixing) |
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| 72 | REAL ztva_est(ngrid,nlay) ! TRPV plume (before mixing) |
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| 73 | REAL ztla(ngrid,nlay) ! TP plume |
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| 74 | REAL zqla(ngrid,nlay) ! ql plume (after mixing) |
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| 75 | REAL zqta(ngrid,nlay) ! qt plume |
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| 76 | REAL zha(ngrid,nlay) ! TRPV plume |
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| 77 | |
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| 78 | REAL w_est(ngrid,nlay+1) ! updraft square vertical speed (before mixing) |
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| 79 | REAL zw2(ngrid,nlay+1) ! updraft square vertical speed (after mixing) |
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| 80 | |
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| 81 | REAL zqsatth(ngrid,nlay) ! saturation vapor pressure (after mixing) |
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| 82 | |
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| 83 | ! local: |
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| 84 | ! ------ |
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| 85 | |
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| 86 | INTEGER ig, l, k |
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| 87 | INTEGER lt |
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| 88 | INTEGER lm |
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| 89 | |
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| 90 | REAL zqla_est(ngrid,nlay) ! ql plume (before mixing) |
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| 91 | REAL zta_est(ngrid,nlay) ! TR plume (before mixing) |
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| 92 | REAL zbuoy(ngrid,nlay) ! plume buoyancy |
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| 93 | REAL zbuoyjam(ngrid,nlay) ! plume buoyancy (modified) |
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| 94 | |
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| 95 | REAL ztemp(ngrid) ! temperature for saturation vapor pressure computation in plume |
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| 96 | REAL zqsat(ngrid) ! saturation vapor pressure (before mixing) |
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| 97 | REAL zdz ! layers height |
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| 98 | REAL ztv2(ngrid,nlay) ! ztv + d_temp * Dirac(l=lmin) |
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| 99 | |
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| 100 | REAL zalpha ! |
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| 101 | REAL zdqt(ngrid,nlay) ! |
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| 102 | REAL zbetalpha ! |
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| 103 | REAL zdw2 ! |
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| 104 | REAL zdw2bis ! |
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| 105 | REAL zw2fact ! |
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| 106 | REAL zw2factbis ! |
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| 107 | REAL zw2m ! |
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| 108 | REAL zdzbis ! |
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| 109 | REAL coefzlmel ! |
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| 110 | REAL zdz2 ! |
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| 111 | REAL zdz3 ! |
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| 112 | REAL lmel ! |
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| 113 | REAL zlmel ! |
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| 114 | REAL zlmelup ! |
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| 115 | REAL zlmeldwn ! |
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| 116 | REAL zlt ! |
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| 117 | REAL zltdwn ! |
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| 118 | REAL zltup ! useless here |
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| 119 | |
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| 120 | REAL psat ! dummy argument for Psat_water() |
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| 121 | |
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| 122 | LOGICAL active(ngrid) ! if the plume is active at ig,l (speed and incoming mass flux > 0 or l=lmin) |
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| 123 | LOGICAL activetmp(ngrid) ! if the plus is active at ig,l (active=true and outgoing mass flux > 0) |
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| 124 | LOGICAL, SAVE :: first = .true. ! if it is the first time step |
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| 125 | |
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| 126 | !$OMP THREADPRIVATE(first) |
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| 127 | |
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| 128 | !============================================================================== |
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| 129 | ! Initialization |
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| 130 | !============================================================================== |
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| 131 | |
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| 132 | zbetalpha = betalpha / (1. + betalpha) |
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| 133 | |
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| 134 | ztva(:,:) = ztv(:,:) ! ztva is set to the virtual potential temperature without latent heat release |
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| 135 | ztva_est(:,:) = ztva(:,:) ! ztva_est is set to the virtual potential temperature without latent heat release |
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| 136 | ztla(:,:) = zthl(:,:) ! ztla is set to the potential temperature |
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| 137 | zqta(:,:) = po(:,:) ! zqta is set to qt |
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| 138 | zqla(:,:) = 0. ! zqla is set to ql |
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| 139 | zqla_est(:,:) = 0. ! zqla_est is set to ql |
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| 140 | zha(:,:) = ztva(:,:) ! zha is set to the plume virtual potential temperature without latent heat release |
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| 141 | |
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| 142 | zqsat(:) = 0. |
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| 143 | zqsatth(:,:) = 0. |
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| 144 | |
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| 145 | w_est(:,:) = 0. |
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| 146 | zw2(:,:) = 0. |
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| 147 | |
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| 148 | zbuoy(:,:) = 0. |
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| 149 | zbuoyjam(:,:) = 0. |
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| 150 | |
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| 151 | f_star(:,:) = 0. |
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| 152 | detr_star(:,:) = 0. |
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| 153 | entr_star(:,:) = 0. |
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| 154 | alim_star(:,:) = 0. |
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| 155 | alim_star_tot(:) = 0. |
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| 156 | |
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| 157 | lmix(:) = 1 |
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| 158 | lmix_bis(:) = 2 |
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| 159 | lalim(:) = 1 |
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| 160 | lmin(:) = linf |
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| 161 | |
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| 162 | ztv2(:,:) = ztv(:,:) |
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| 163 | ztv2(:,linf) = ztv(:,linf) + d_temp |
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| 164 | |
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| 165 | !============================================================================== |
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| 166 | ! 0. Calcul de l'alimentation |
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| 167 | !============================================================================== |
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| 168 | |
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| 169 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 170 | ! AB : Convective plumes can go off from every layer above the linf-th and |
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| 171 | ! where pressure is lesser than pres_limit (cf. thermcell_plume). |
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| 172 | ! The second constraint is added to avoid the parametrization occurs too |
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| 173 | ! high when the low atmosphere is stable. |
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| 174 | ! However, once there is a triggered plume, it can rise as high as its |
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| 175 | ! velocity allows it (it can overshoot). |
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| 176 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 177 | DO ig=1,ngrid |
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| 178 | active(ig) = .false. |
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| 179 | l = linf |
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| 180 | DO WHILE ((.not.active(ig)) .and. pplev(ig,l+1).gt.pres_limit .and. l.lt.nlay) |
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| 181 | IF (ztv2(ig,l).gt.ztv2(ig,l+1)) THEN |
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| 182 | active(ig) = .true. |
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| 183 | lmin(ig) = l |
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| 184 | ENDIF |
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| 185 | l = l + 1 |
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| 186 | ENDDO |
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| 187 | ENDDO |
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| 188 | |
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| 189 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 190 | ! AB : On pourrait n'appeler thermcell_alim que si la plume est active |
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| 191 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 192 | CALL thermcell_alim(ngrid,nlay,ztv2,zlev,alim_star,lalim,lmin) |
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| 193 | |
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| 194 | !============================================================================== |
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| 195 | ! 1. Calcul dans la premiere couche |
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| 196 | !============================================================================== |
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| 197 | |
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| 198 | DO ig=1,ngrid |
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| 199 | IF (active(ig)) THEN |
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| 200 | |
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| 201 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 202 | ! AB : plume takes the environment features for every layer below lmin. |
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| 203 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 204 | DO l=1,lmin(ig) |
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| 205 | ztla(ig,l) = zthl(ig,l) |
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| 206 | zqta(ig,l) = po(ig,l) |
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| 207 | zqla(ig,l) = zl(ig,l) |
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| 208 | ENDDO |
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| 209 | |
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| 210 | l = lmin(ig) |
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| 211 | f_star(ig,l+1) = alim_star(ig,l) |
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| 212 | |
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| 213 | zw2(ig,l+1) = 2. * RG * (zlev(ig,l+1) - zlev(ig,l)) & |
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| 214 | & * (ztv2(ig,l) - ztv2(ig,l+1)) / ztv2(ig,l+1) |
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| 215 | |
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| 216 | w_est(ig,l+1) = zw2(ig,l+1) |
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| 217 | ENDIF |
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| 218 | ENDDO |
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| 219 | |
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| 220 | !============================================================================== |
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| 221 | ! 2. Boucle de calcul de la vitesse verticale dans le thermique |
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| 222 | !============================================================================== |
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| 223 | |
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| 224 | DO l=2,nlay-1 |
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| 225 | |
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| 226 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 227 | ! AB : we decide here if the plume is still active or not. When the plume's |
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| 228 | ! first level is reached, we set active to "true". Otherwise, it is given |
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| 229 | ! by zw2, f_star, alim_star and entr_star. |
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| 230 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 231 | DO ig=1,ngrid |
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| 232 | IF (l==lmin(ig)+1) THEN |
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| 233 | active(ig) = .true. |
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| 234 | ENDIF |
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| 235 | |
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| 236 | active(ig) = active(ig) & |
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| 237 | & .and. zw2(ig,l)>1.e-10 & |
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| 238 | & .and. f_star(ig,l)+alim_star(ig,l)+entr_star(ig,l)>1.e-10 |
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| 239 | ENDDO |
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| 240 | |
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| 241 | ztemp(:) = zpspsk(:,l) * ztla(:,l-1) |
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| 242 | |
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| 243 | DO ig=1,ngrid |
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| 244 | CALL Psat_water(ztemp(ig), pplev(ig,l), psat, zqsat(ig)) |
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| 245 | ENDDO |
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| 246 | |
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| 247 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 248 | ! AB : we compute thermodynamical values and speed in the plume in the layer l |
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| 249 | ! without mixing with environment. |
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| 250 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 251 | |
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| 252 | DO ig=1,ngrid |
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| 253 | IF (active(ig)) THEN |
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| 254 | zqla_est(ig,l) = max(0.,zqta(ig,l-1)-zqsat(ig)) ! zqla_est set to ql plume |
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| 255 | ztva_est(ig,l) = ztla(ig,l-1)*zpspsk(ig,l)+RLvCp*zqla_est(ig,l) ! ztva_est set to TR plume |
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| 256 | zta_est(ig,l) = ztva_est(ig,l) ! zta_est set to TR plume |
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| 257 | ztva_est(ig,l) = ztva_est(ig,l)/zpspsk(ig,l) ! ztva_est set to TRP plume |
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| 258 | ztva_est(ig,l) = ztva_est(ig,l)*(1.+RETV*(zqta(ig,l-1) & ! ztva_est set to TRPV plume |
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| 259 | & - zqla_est(ig,l))-zqla_est(ig,l)) |
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| 260 | |
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| 261 | zbuoy(ig,l) = RG * (ztva_est(ig,l)-ztv(ig,l)) / ztv(ig,l) |
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| 262 | zdz = zlev(ig,l+1) - zlev(ig,l) |
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| 263 | |
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| 264 | !============================================================================== |
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| 265 | ! 3. Calcul de la flotabilite modifiee par melange avec l'air au dessus |
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| 266 | !============================================================================== |
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| 267 | |
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| 268 | lmel = fact_thermals_ed_dz * zlev(ig,l) |
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| 269 | zlmel = zlev(ig,l) + lmel |
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| 270 | lt = l + 1 |
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| 271 | zlt = zlev(ig,lt) |
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| 272 | zdz2 = zlev(ig,lt) - zlev(ig,l) |
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| 273 | |
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| 274 | DO while (lmel.gt.zdz2) |
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| 275 | lt = lt + 1 |
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| 276 | zlt = zlev(ig,lt) |
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| 277 | zdz2 = zlev(ig,lt) - zlev(ig,l) |
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| 278 | ENDDO |
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| 279 | |
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| 280 | ! IF (lt-l.gt.1) THEN |
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| 281 | ! print *, 'WARNING: lt is greater than l+1!' |
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| 282 | ! print *, 'l,lt', l, lt |
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| 283 | ! ENDIF |
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| 284 | |
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| 285 | zdz3 = zlev(ig,lt+1) - zlt |
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| 286 | zltdwn = zlev(ig,lt) - zdz3 / 2 |
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| 287 | zlmelup = zlmel + (zdz / 2) |
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| 288 | coefzlmel = Min(1.,(zlmelup - zltdwn) / zdz) |
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| 289 | |
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| 290 | zbuoyjam(ig,l) = 1.* RG * (coefzlmel * & |
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| 291 | & (ztva_est(ig,l) - ztv(ig,lt)) / ztv(ig,lt) & |
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| 292 | & + (1. - coefzlmel) * & |
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| 293 | & (ztva_est(ig,l) - ztv(ig,lt-1)) / ztv(ig,lt-1)) & |
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| 294 | & + 0. * zbuoy(ig,l) |
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| 295 | |
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| 296 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 297 | ! AB : initial formulae |
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| 298 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 299 | ! zw2fact = fact_epsilon * 2. * zdz / (1. + betalpha) |
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| 300 | ! zdw2 = afact * zbuoy(ig,l) / fact_epsilon |
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| 301 | ! zdw2bis = afact * zbuoy(ig,l-1) / fact_epsilon |
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| 302 | ! w_est(ig,l+1) = Max(0.0001,exp(-zw2fact)*(w_est(ig,l)-zdw2)+zdw2) |
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| 303 | ! w_est(ig,l+1) = Max(0.0001,exp(-zw2fact)*(w_est(ig,l)-zdw2bis)+zdw2) |
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| 304 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 305 | ! AB : own derivation for w_est (Rio 2010 formula with e=d=0) |
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| 306 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 307 | zw2fact = 2. * fact_epsilon * zdz |
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| 308 | zdw2 = 2. * afact * zbuoy(ig,l) * zdz |
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| 309 | w_est(ig,l+1) = Max(0., exp(-zw2fact) * w_est(ig,l) + zdw2) |
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| 310 | |
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| 311 | ! IF (w_est(ig,l+1).le.0.) THEN |
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| 312 | ! print *, 'WARNING: w_est is negative!' |
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| 313 | ! print *, 'l,w_est', l+1, w_est(ig,l+1) |
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| 314 | ! ENDIF |
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| 315 | ENDIF |
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| 316 | ENDDO |
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| 317 | |
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| 318 | !============================================================================== |
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| 319 | ! 4. Calcul de l'entrainement et du detrainement |
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| 320 | !============================================================================== |
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| 321 | |
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| 322 | DO ig=1,ngrid |
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| 323 | IF (active(ig)) THEN |
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| 324 | |
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| 325 | zdz = zlev(ig,l+1) - zlev(ig,l) |
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| 326 | |
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| 327 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 328 | ! AB : The next test is added to avoid divisions by zero when w_est vanishes. |
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| 329 | ! Indeed, entr and detr computed here are of no importance because w_est |
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| 330 | ! <= 0 means it will be the last layer reached by the plume and then they |
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| 331 | ! will be reset in thermcell_flux. |
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| 332 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 333 | IF (w_est(ig,l+1).eq.0.) THEN |
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| 334 | zw2m = 1. |
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| 335 | zalpha = 0. |
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| 336 | ELSE |
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| 337 | zw2m = w_est(ig,l+1) |
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| 338 | zalpha = f0(ig) * f_star(ig,l) / sqrt(w_est(ig,l+1)) / rhobarz(ig,l) |
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| 339 | ENDIF |
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| 340 | |
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| 341 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 342 | ! AB : The next test is added to avoid a division by zero if there is no water |
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| 343 | ! in the environment. |
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| 344 | ! In the case where there is no water in the env. but water in the plume |
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| 345 | ! (ascending from depth) we set the effect on detrainment equal to zero |
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| 346 | ! but at the next time step, po will be positive thanks to the mixing and |
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| 347 | ! then the physical effect of the water gradient will be taken on board. |
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| 348 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 349 | IF (po(ig,l).lt.1.e-6) THEN |
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| 350 | ! print *, 'WARNING: po=0 in layer',l,'!' |
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| 351 | ! print *, 'po,zqta', po(ig,l), zqta(ig,l-1) |
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| 352 | zdqt(ig,l) = 0.0 |
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| 353 | ELSE |
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| 354 | zdqt(ig,l) = max(zqta(ig,l-1)-po(ig,l),0.) / po(ig,l) |
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| 355 | ENDIF |
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| 356 | |
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| 357 | !------------------------------------------------------------------------------ |
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| 358 | ! Detrainment |
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| 359 | !------------------------------------------------------------------------------ |
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| 360 | |
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| 361 | detr_star(ig,l) = f_star(ig,l) * zdz * ( & |
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| 362 | & mix0 * 0.1 / (zalpha + 0.001) & |
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| 363 | & + MAX(detr_min, & |
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| 364 | & -afact * zbetalpha * zbuoyjam(ig,l) / zw2m & |
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| 365 | & + detr_q_coef*(zdqt(ig,l)/zw2m)**detr_q_power) ) |
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| 366 | |
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| 367 | ! IF (detr_star(ig,l).lt.0.) THEN |
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| 368 | ! print *, 'WARNING: detrainment is negative!' |
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| 369 | ! print *, 'l,detr', l, detr_star(ig,l) |
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| 370 | ! ENDIF |
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| 371 | |
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| 372 | !------------------------------------------------------------------------------ |
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| 373 | ! Entrainment |
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| 374 | !------------------------------------------------------------------------------ |
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| 375 | |
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| 376 | entr_star(ig,l) = f_star(ig,l) * zdz * ( & |
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| 377 | & mix0 * 0.1 / (zalpha+0.001) & |
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| 378 | & + MAX(entr_min, & |
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| 379 | & zbetalpha * afact * zbuoyjam(ig,l) / zw2m & |
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| 380 | & - zbetalpha * fact_epsilon) ) |
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| 381 | |
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| 382 | ! IF (entr_star(ig,l).lt.0.) THEN |
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| 383 | ! print *, 'WARNING: entrainment is negative!' |
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| 384 | ! print *, 'l,entr', l, entr_star(ig,l) |
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| 385 | ! ENDIF |
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| 386 | |
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| 387 | !------------------------------------------------------------------------------ |
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| 388 | ! Alimentation and entrainment |
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| 389 | !------------------------------------------------------------------------------ |
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| 390 | |
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| 391 | IF (l.lt.lalim(ig)) THEN |
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| 392 | alim_star(ig,l) = max(alim_star(ig,l),entr_star(ig,l)) |
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| 393 | entr_star(ig,l) = 0. |
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| 394 | ENDIF |
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| 395 | |
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| 396 | !------------------------------------------------------------------------------ |
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| 397 | ! Mass flux |
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| 398 | !------------------------------------------------------------------------------ |
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| 399 | |
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| 400 | f_star(ig,l+1) = f_star(ig,l) + alim_star(ig,l) & |
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| 401 | & + entr_star(ig,l) - detr_star(ig,l) |
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| 402 | |
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| 403 | ! IF (f_star(ig,l+1).le.0.) THEN |
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| 404 | ! print *, 'WARNING: mass flux is negative!' |
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| 405 | ! print *, 'l,f_star', l+1, f_star(ig,l+1) |
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| 406 | ! ENDIF |
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| 407 | |
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| 408 | ENDIF |
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| 409 | ENDDO |
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| 410 | |
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| 411 | !============================================================================== |
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| 412 | ! 5. Calcul de la vitesse verticale en melangeant Tl et qt du thermique |
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| 413 | !============================================================================== |
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| 414 | |
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| 415 | activetmp(:) = active(:) .and. f_star(:,l+1)>1.e-10 |
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| 416 | |
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| 417 | !------------------------------------------------------------------------------ |
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| 418 | ! Calcul du melange avec l'environnement |
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| 419 | !------------------------------------------------------------------------------ |
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| 420 | |
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| 421 | DO ig=1,ngrid |
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| 422 | IF (activetmp(ig)) THEN |
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| 423 | ztla(ig,l) = (f_star(ig,l) * ztla(ig,l-1) & ! ztla is set to TP in plume (mixed) |
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| 424 | & + (alim_star(ig,l) + entr_star(ig,l)) * zthl(ig,l)) & |
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| 425 | & / (f_star(ig,l+1) + detr_star(ig,l)) |
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| 426 | zqta(ig,l) = (f_star(ig,l) * zqta(ig,l-1) + & ! zqta is set to qt in plume (mixed) |
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| 427 | & + (alim_star(ig,l) + entr_star(ig,l)) * po(ig,l)) & |
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| 428 | & / (f_star(ig,l+1) + detr_star(ig,l)) |
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| 429 | ENDIF |
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| 430 | ENDDO |
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| 431 | |
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| 432 | ztemp(:) = zpspsk(:,l) * ztla(:,l) |
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| 433 | |
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| 434 | DO ig=1,ngrid |
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| 435 | IF (activetmp(ig)) THEN |
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| 436 | CALL Psat_water(ztemp(ig), pplev(ig,l), psat, zqsatth(ig,l)) |
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| 437 | ENDIF |
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| 438 | ENDDO |
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| 439 | |
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| 440 | !------------------------------------------------------------------------------ |
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| 441 | ! Calcul de la vitesse verticale zw2 apres le melange |
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| 442 | !------------------------------------------------------------------------------ |
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| 443 | |
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| 444 | DO ig=1,ngrid |
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| 445 | IF (activetmp(ig)) THEN |
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| 446 | zqla(ig,l) = max(0.,zqta(ig,l)-zqsatth(ig,l)) ! zqla is set to ql plume (mixed) |
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| 447 | ztva(ig,l) = ztla(ig,l) * zpspsk(ig,l)+RLvCp*zqla(ig,l) ! ztva is set to TR plume (mixed) |
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| 448 | ztva(ig,l) = ztva(ig,l) / zpspsk(ig,l) ! ztva is set to TRP plume (mixed) |
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| 449 | zha(ig,l) = ztva(ig,l) ! zha is set to TRP plume (mixed) |
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| 450 | ztva(ig,l) = ztva(ig,l) * (1. + RETV*(zqta(ig,l)-zqla(ig,l)) & ! ztva is set to TRPV plume (mixed) |
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| 451 | & - zqla(ig,l)) |
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| 452 | |
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| 453 | zbuoy(ig,l) = RG * (ztva(ig,l) - ztv(ig,l)) / ztv(ig,l) |
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| 454 | zdz = zlev(ig,l+1) - zlev(ig,l) |
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| 455 | |
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| 456 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 457 | ! AB : initial formula |
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| 458 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 459 | ! zw2fact = fact_epsilon * 2. * zdz / (1. + betalpha) |
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| 460 | ! zdw2 = afact * zbuoy(ig,l) / fact_epsilon |
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| 461 | ! zdw2bis = afact * zbuoy(ig,l-1) / fact_epsilon |
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| 462 | ! zw2(ig,l+1) = Max(0.0001,exp(-zw2fact)*(zw2(ig,l)-zdw2)+zdw2) |
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| 463 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 464 | ! AB : own derivation for zw2 (Rio 2010 formula) |
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| 465 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 466 | zw2fact = 2. * (fact_epsilon * zdz + entr_star(ig,l) / f_star(ig,l)) |
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| 467 | zdw2 = 2. * afact * zbuoy(ig,l) * zdz |
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| 468 | zw2(ig,l+1) = Max(0., exp(-zw2fact) * zw2(ig,l) + zdw2) |
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| 469 | |
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| 470 | ! IF (zw2(ig,l+1).le.0.) THEN |
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| 471 | ! print *, 'WARNING: zw2 is negative!' |
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| 472 | ! print *, 'l,zw2', l+1, zw2(ig,l+1) |
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| 473 | ! ENDIF |
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| 474 | ENDIF |
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| 475 | ENDDO |
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| 476 | |
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| 477 | ENDDO |
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| 478 | |
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| 479 | !============================================================================== |
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| 480 | ! 6. New computation of alim_star_tot |
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| 481 | !============================================================================== |
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| 482 | |
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| 483 | DO ig=1,ngrid |
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| 484 | alim_star_tot(ig) = 0. |
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| 485 | ENDDO |
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| 486 | |
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| 487 | DO ig=1,ngrid |
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| 488 | DO l=1,lalim(ig)-1 |
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| 489 | alim_star_tot(ig) = alim_star_tot(ig) + alim_star(ig,l) |
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| 490 | ENDDO |
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| 491 | ENDDO |
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| 492 | |
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| 493 | |
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| 494 | RETURN |
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| 495 | END |
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