[3531] | 1 | ! |
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| 2 | ! $Id: alpale_th.F90 4089 2022-03-10 18:23:47Z jyg $ |
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| 3 | ! |
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[2558] | 4 | SUBROUTINE alpale_th ( dtime, lmax_th, t_seri, cell_area, & |
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[2513] | 5 | cin, s2, n2, & |
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| 6 | ale_bl_trig, ale_bl_stat, ale_bl, & |
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[2556] | 7 | alp_bl, alp_bl_stat, & |
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[3209] | 8 | proba_notrig, random_notrig, birth_rate) |
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[2513] | 9 | |
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| 10 | ! ************************************************************** |
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| 11 | ! * |
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| 12 | ! ALPALE_TH * |
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| 13 | ! * |
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| 14 | ! * |
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| 15 | ! written by : Jean-Yves Grandpeix, 11/05/2016 * |
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| 16 | ! modified by : * |
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| 17 | ! ************************************************************** |
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| 18 | |
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| 19 | USE dimphy |
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| 20 | USE ioipsl_getin_p_mod, ONLY : getin_p |
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| 21 | USE print_control_mod, ONLY: mydebug=>debug , lunout, prt_level |
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| 22 | ! |
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| 23 | IMPLICIT NONE |
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| 24 | |
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| 25 | !================================================================ |
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| 26 | ! Auteur(s) : Jean-Yves Grandpeix, 11/05/2016 |
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| 27 | ! Objet : Contribution of the thermal scheme to Ale and Alp |
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| 28 | !================================================================ |
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| 29 | |
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| 30 | ! Input arguments |
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| 31 | !---------------- |
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| 32 | REAL, INTENT(IN) :: dtime |
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[2558] | 33 | REAL, DIMENSION(klon), INTENT(IN) :: cell_area |
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[2513] | 34 | INTEGER, DIMENSION(klon), INTENT(IN) :: lmax_th |
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| 35 | REAL, DIMENSION(klon,klev), INTENT(IN) :: t_seri |
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| 36 | REAL, DIMENSION(klon), INTENT(IN) :: ale_bl_stat |
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| 37 | REAL, DIMENSION(klon), INTENT(IN) :: cin |
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| 38 | REAL, DIMENSION(klon), INTENT(IN) :: s2, n2 |
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| 39 | |
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| 40 | REAL, DIMENSION(klon), INTENT(INOUT) :: ale_bl_trig, ale_bl |
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| 41 | REAL, DIMENSION(klon), INTENT(INOUT) :: alp_bl |
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| 42 | REAL, DIMENSION(klon), INTENT(INOUT) :: alp_bl_stat |
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[2730] | 43 | REAL, DIMENSION(klon), INTENT(INOUT) :: proba_notrig |
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[2513] | 44 | |
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[2730] | 45 | REAL, DIMENSION(klon), INTENT(OUT) :: random_notrig |
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[2556] | 46 | |
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[3208] | 47 | REAL, DIMENSION(klon), INTENT(OUT) :: birth_rate |
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| 48 | |
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[4089] | 49 | include "alpale.h" |
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[2513] | 50 | |
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| 51 | ! Local variables |
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| 52 | !---------------- |
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| 53 | INTEGER :: i |
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| 54 | LOGICAL, SAVE :: first = .TRUE. |
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| 55 | REAL, SAVE :: random_notrig_max=1. |
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[2558] | 56 | REAL, SAVE :: cv_feed_area |
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| 57 | REAL :: birth_number |
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| 58 | REAL, DIMENSION(klon) :: ale_bl_ref |
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[2556] | 59 | REAL, DIMENSION(klon) :: tau_trig |
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[2513] | 60 | ! |
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| 61 | !$OMP THREADPRIVATE(random_notrig_max) |
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[2558] | 62 | !$OMP THREADPRIVATE(cv_feed_area) |
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[2513] | 63 | !$OMP THREADPRIVATE(first) |
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| 64 | ! |
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[2558] | 65 | REAL umexp ! expression of (1.-exp(-x))/x valid for all x, especially when x->0 |
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| 66 | REAL x |
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[3531] | 67 | CHARACTER (LEN=20) :: modname='alpale_th' |
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| 68 | CHARACTER (LEN=80) :: abort_message |
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| 69 | |
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[2558] | 70 | umexp(x) = max(sign(1.,x-1.e-3),0.)*(1.-exp(-x))/max(x,1.e-3) + & |
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[3073] | 71 | (1.-max(sign(1.,x-1.e-3),0.))*(1.-0.5*x*(1.-x/3.*(1.-0.25*x))) !!! correct formula (jyg) |
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| 72 | !!! (1.-max(sign(1.,x-1.e-3),0.))*(-0.5*x*(1.-x/3.*(1.-0.25*x))) !!! bug introduced by mistake (jyg) |
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| 73 | !!! (1.-max(sign(1.,x-1.e-3),0.))*(1.-0.5*x*(1.-x/3.*(1.-0.25*x))) !!! initial correct formula (jyg) |
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[2558] | 74 | ! |
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| 75 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 76 | ! JYG, 20160513 : Introduction of the Effective Lifting Power (ELP), which |
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| 77 | ! takes into account the area (cv_feed_area) covered by thermals contributing |
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| 78 | ! to each cumulonimbus. |
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| 79 | ! The use of ELP prevents singularities when the trigger probability tends to |
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| 80 | ! zero. It is activated by iflag_clos_bl = 3. |
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| 81 | ! The ELP values are stored in the ALP_bl variable. |
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| 82 | ! |
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| 83 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 84 | ! |
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[2730] | 85 | !! |
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| 86 | !! The following 3 lines should be commented if one wants to activate the |
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| 87 | !! multiplication of no-trigger probabilities between calls to the convection |
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| 88 | !! scheme. |
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| 89 | !! |
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| 90 | do i=1,klon |
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| 91 | proba_notrig(i)=1. |
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| 92 | enddo |
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| 93 | !! |
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| 94 | !! |
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[2558] | 95 | !--------------------------------------- |
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| 96 | IF (iflag_clos_bl .LT. 3) THEN |
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| 97 | !--------------------------------------- |
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| 98 | ! |
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| 99 | ! Original code (Nicolas Rochetin) |
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| 100 | ! -------------------------------- |
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| 101 | |
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[2513] | 102 | IF (first) THEN |
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[2558] | 103 | random_notrig_max=1. |
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[2513] | 104 | CALL getin_p('random_notrig_max',random_notrig_max) |
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[2515] | 105 | first=.FALSE. |
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[2513] | 106 | ENDIF |
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| 107 | !cc nrlmd le 10/04/2012 |
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| 108 | !-----------Stochastic triggering----------- |
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| 109 | if (iflag_trig_bl.ge.1) then |
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| 110 | ! |
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| 111 | IF (prt_level .GE. 10) THEN |
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[3531] | 112 | WRITE(lunout,*)'cin, ale_bl_stat, alp_bl, alp_bl_stat ', & |
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[3208] | 113 | cin, ale_bl_stat, alp_bl, alp_bl_stat |
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[2513] | 114 | ENDIF |
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| 115 | |
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| 116 | |
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| 117 | !----Initialisations |
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| 118 | do i=1,klon |
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[2730] | 119 | !!jyg proba_notrig(i)=1. |
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[2513] | 120 | random_notrig(i)=1e6*ale_bl_stat(i)-int(1e6*ale_bl_stat(i)) |
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| 121 | if ( random_notrig(i) > random_notrig_max ) random_notrig(i)=0. |
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| 122 | if ( ale_bl_trig(i) .lt. abs(cin(i))+1.e-10 ) then |
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| 123 | tau_trig(i)=tau_trig_shallow |
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| 124 | else |
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| 125 | tau_trig(i)=tau_trig_deep |
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| 126 | endif |
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| 127 | enddo |
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| 128 | ! |
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| 129 | IF (prt_level .GE. 10) THEN |
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[3531] | 130 | WRITE(lunout,*)'random_notrig, tau_trig ', & |
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[2513] | 131 | random_notrig, tau_trig |
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[3531] | 132 | WRITE(lunout,*)'s_trig,s2,n2 ', & |
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[2513] | 133 | s_trig,s2,n2 |
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| 134 | ENDIF |
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| 135 | |
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| 136 | !Option pour re-activer l'ancien calcul de Ale_bl (iflag_trig_bl=2) |
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| 137 | IF (iflag_trig_bl.eq.1) then |
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| 138 | |
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| 139 | !----Tirage al\'eatoire et calcul de ale_bl_trig |
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| 140 | do i=1,klon |
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| 141 | if ( (ale_bl_stat(i) .gt. abs(cin(i))+1.e-10) ) then |
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[2730] | 142 | proba_notrig(i)=proba_notrig(i)* & |
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| 143 | (1.-exp(-s_trig/s2(i)))**(n2(i)*dtime/tau_trig(i)) |
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[2513] | 144 | ! print *, 'proba_notrig(i) ',proba_notrig(i) |
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| 145 | if (random_notrig(i) .ge. proba_notrig(i)) then |
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| 146 | ale_bl_trig(i)=ale_bl_stat(i) |
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| 147 | else |
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| 148 | ale_bl_trig(i)=0. |
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| 149 | endif |
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[3208] | 150 | birth_rate(i) = n2(i)*exp(-s_trig/s2(i))/(tau_trig(i)*cell_area(i)) |
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| 151 | !!! birth_rate(i) = max(birth_rate(i),1.e-18) |
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[2513] | 152 | else |
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[2730] | 153 | !!jyg proba_notrig(i)=1. |
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[3208] | 154 | birth_rate(i) = 0. |
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[2513] | 155 | random_notrig(i)=0. |
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| 156 | ale_bl_trig(i)=0. |
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| 157 | endif |
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| 158 | enddo |
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| 159 | |
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| 160 | ELSE IF (iflag_trig_bl.ge.2) then |
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| 161 | |
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| 162 | do i=1,klon |
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| 163 | if ( (Ale_bl(i) .gt. abs(cin(i))+1.e-10) ) then |
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[2730] | 164 | proba_notrig(i)=proba_notrig(i)* & |
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| 165 | (1.-exp(-s_trig/s2(i)))**(n2(i)*dtime/tau_trig(i)) |
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[2513] | 166 | ! print *, 'proba_notrig(i) ',proba_notrig(i) |
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| 167 | if (random_notrig(i) .ge. proba_notrig(i)) then |
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| 168 | ale_bl_trig(i)=Ale_bl(i) |
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| 169 | else |
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| 170 | ale_bl_trig(i)=0. |
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| 171 | endif |
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[3208] | 172 | birth_rate(i) = n2(i)*exp(-s_trig/s2(i))/(tau_trig(i)*cell_area(i)) |
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| 173 | !!! birth_rate(i) = max(birth_rate(i),1.e-18) |
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[2513] | 174 | else |
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[2730] | 175 | !!jyg proba_notrig(i)=1. |
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[3208] | 176 | birth_rate(i) = 0. |
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[2513] | 177 | random_notrig(i)=0. |
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| 178 | ale_bl_trig(i)=0. |
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| 179 | endif |
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| 180 | enddo |
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| 181 | |
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| 182 | ENDIF |
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| 183 | |
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| 184 | ! |
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| 185 | IF (prt_level .GE. 10) THEN |
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[3531] | 186 | WRITE(lunout,*)'proba_notrig, ale_bl_trig ', & |
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[2513] | 187 | proba_notrig, ale_bl_trig |
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| 188 | ENDIF |
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| 189 | |
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| 190 | endif !(iflag_trig_bl) |
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| 191 | |
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| 192 | !-----------Statistical closure----------- |
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| 193 | if (iflag_clos_bl.eq.1) then |
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| 194 | |
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| 195 | do i=1,klon |
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| 196 | !CR: alp probabiliste |
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| 197 | if (ale_bl_trig(i).gt.0.) then |
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| 198 | alp_bl(i)=alp_bl(i)/(1.-min(proba_notrig(i),0.999)) |
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| 199 | endif |
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| 200 | enddo |
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| 201 | |
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| 202 | else if (iflag_clos_bl.eq.2) then |
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| 203 | |
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| 204 | !CR: alp calculee dans thermcell_main |
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| 205 | do i=1,klon |
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| 206 | alp_bl(i)=alp_bl_stat(i) |
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| 207 | enddo |
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| 208 | |
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| 209 | else |
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| 210 | |
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| 211 | alp_bl_stat(:)=0. |
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| 212 | |
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| 213 | endif !(iflag_clos_bl) |
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| 214 | |
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[2558] | 215 | ! |
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| 216 | !--------------------------------------- |
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| 217 | ELSEIF (iflag_clos_bl .EQ. 3) THEN ! (iflag_clos_bl .LT. 3) |
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| 218 | !--------------------------------------- |
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| 219 | ! |
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| 220 | ! New code with Effective Lifting Power |
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| 221 | ! ------------------------------------- |
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| 222 | IF (first) THEN |
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| 223 | cv_feed_area = 1.e10 ! m2 |
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| 224 | CALL getin_p('cv_feed_area', cv_feed_area) |
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| 225 | first=.FALSE. |
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| 226 | ENDIF |
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| 227 | |
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| 228 | !-----------Stochastic triggering----------- |
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| 229 | if (iflag_trig_bl.ge.1) then |
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| 230 | ! |
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| 231 | IF (prt_level .GE. 10) THEN |
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[3531] | 232 | WRITE(lunout,*)'cin, ale_bl_stat, alp_bl_stat ', & |
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[2558] | 233 | cin, ale_bl_stat, alp_bl_stat |
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| 234 | ENDIF |
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| 235 | |
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| 236 | ! Use ale_bl_stat (Rochetin's code) or ale_bl (old code) according to |
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| 237 | ! iflag_trig_bl value. |
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| 238 | IF (iflag_trig_bl.eq.1) then ! use ale_bl_stat (Rochetin computation) |
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| 239 | do i=1,klon |
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| 240 | ale_bl_ref(i)=ale_bl_stat(i) |
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| 241 | enddo |
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| 242 | ELSE IF (iflag_trig_bl.ge.2) then ! use ale_bl (old computation) |
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| 243 | do i=1,klon |
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| 244 | ale_bl_ref(i)=Ale_bl(i) |
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| 245 | enddo |
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| 246 | ENDIF ! (iflag_trig_bl.eq.1) |
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| 247 | |
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| 248 | |
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| 249 | !----Initializations and random number generation |
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| 250 | do i=1,klon |
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[2730] | 251 | !!jyg proba_notrig(i)=1. |
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[2558] | 252 | random_notrig(i)=1e6*ale_bl_stat(i)-int(1e6*ale_bl_stat(i)) |
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| 253 | if ( ale_bl_trig(i) .lt. abs(cin(i))+1.e-10 ) then |
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| 254 | tau_trig(i)=tau_trig_shallow |
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| 255 | else |
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| 256 | tau_trig(i)=tau_trig_deep |
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| 257 | endif |
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| 258 | enddo |
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| 259 | ! |
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| 260 | IF (prt_level .GE. 10) THEN |
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[3531] | 261 | WRITE(lunout,*)'random_notrig, tau_trig ', & |
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[2558] | 262 | random_notrig, tau_trig |
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[3531] | 263 | WRITE(lunout,*)'s_trig,s2,n2 ', & |
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[2558] | 264 | s_trig,s2,n2 |
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| 265 | ENDIF |
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| 266 | |
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| 267 | !----alp_bl computation |
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| 268 | do i=1,klon |
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| 269 | if ( (ale_bl_ref(i) .gt. abs(cin(i))+1.e-10) ) then |
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| 270 | birth_number = n2(i)*exp(-s_trig/s2(i)) |
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| 271 | birth_rate(i) = birth_number/(tau_trig(i)*cell_area(i)) |
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[3208] | 272 | !!! birth_rate(i) = max(birth_rate(i),1.e-18) |
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[2730] | 273 | proba_notrig(i)=proba_notrig(i)*exp(-birth_number*dtime/tau_trig(i)) |
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[2558] | 274 | Alp_bl(i) = Alp_bl(i)* & |
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| 275 | umexp(-birth_number*cv_feed_area/cell_area(i))/ & |
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| 276 | umexp(-birth_number*dtime/tau_trig(i))* & |
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| 277 | tau_trig(i)*cv_feed_area/(dtime*cell_area(i)) |
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| 278 | else |
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[2730] | 279 | !!jyg proba_notrig(i)=1. |
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[3208] | 280 | birth_rate(i)=0. |
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[2558] | 281 | random_notrig(i)=0. |
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| 282 | alp_bl(i)=0. |
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| 283 | endif |
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| 284 | enddo |
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| 285 | |
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| 286 | !----ale_bl_trig computation |
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| 287 | do i=1,klon |
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| 288 | if (random_notrig(i) .ge. proba_notrig(i)) then |
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| 289 | ale_bl_trig(i)=ale_bl_ref(i) |
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| 290 | else |
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| 291 | ale_bl_trig(i)=0. |
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| 292 | endif |
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| 293 | enddo |
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| 294 | |
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| 295 | ! |
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| 296 | IF (prt_level .GE. 10) THEN |
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[3531] | 297 | WRITE(lunout,*)'proba_notrig, ale_bl_trig ', & |
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[2558] | 298 | proba_notrig, ale_bl_trig |
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| 299 | ENDIF |
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| 300 | |
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| 301 | endif !(iflag_trig_bl .ge. 1) |
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| 302 | |
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| 303 | !--------------------------------------- |
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| 304 | ENDIF ! (iflag_clos_bl .LT. 3) |
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| 305 | !--------------------------------------- |
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| 306 | |
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[2513] | 307 | IF (prt_level .GE. 10) THEN |
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[3531] | 308 | WRITE(lunout,*)'alpale_th: ale_bl_trig, alp_bl_stat, birth_rate ', & |
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[3209] | 309 | ale_bl_trig(1), alp_bl_stat(1), birth_rate(1) |
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[2513] | 310 | ENDIF |
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| 311 | |
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| 312 | !cc fin nrlmd le 10/04/2012 |
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[2554] | 313 | ! |
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[2513] | 314 | !IM/FH: 2011/02/23 |
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| 315 | ! Couplage Thermiques/Emanuel seulement si T<0 |
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| 316 | if (iflag_coupl==2) then |
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| 317 | IF (prt_level .GE. 10) THEN |
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[3531] | 318 | WRITE(lunout,*)'Couplage Thermiques/Emanuel seulement si T<0' |
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[2513] | 319 | ENDIF |
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| 320 | do i=1,klon |
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| 321 | if (t_seri(i,lmax_th(i))>273.) then |
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| 322 | Ale_bl(i)=0. |
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| 323 | endif |
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| 324 | enddo |
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[3531] | 325 | ! print *,'In order to run with iflag_coupl=2, you have to comment out the following stop' |
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| 326 | ! STOP |
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| 327 | abort_message='In order to run with iflag_coupl=2, you have to comment out the following abort' |
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| 328 | CALL abort_physic(modname,abort_message,1) |
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[2513] | 329 | endif |
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| 330 | RETURN |
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| 331 | END |
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| 332 | |
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