| [5099] | 1 | |
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| [3531] | 2 | ! $Id: alpale_th.F90 5160 2024-08-03 12:56:58Z abarral $ |
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| [5099] | 3 | |
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| [5106] | 4 | SUBROUTINE alpale_th( dtime, lmax_th, t_seri, cell_area, & |
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| [4843] | 5 | cin, s2, n2, strig, & |
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| [2513] | 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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| [5112] | 20 | USE lmdz_ioipsl_getin_p, ONLY: getin_p |
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| 21 | USE lmdz_print_control, ONLY: mydebug=>debug , lunout, prt_level |
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| [5111] | 22 | USE lmdz_abort_physic, ONLY: abort_physic |
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| [5134] | 23 | USE lmdz_alpale |
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| [5142] | 24 | USE lmdz_cv, ONLY: cv_feed |
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| [5099] | 25 | |
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| [2513] | 26 | IMPLICIT NONE |
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| 27 | |
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| 28 | !================================================================ |
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| 29 | ! Auteur(s) : Jean-Yves Grandpeix, 11/05/2016 |
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| 30 | ! Objet : Contribution of the thermal scheme to Ale and Alp |
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| 31 | !================================================================ |
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| 32 | |
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| 33 | ! Input arguments |
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| 34 | !---------------- |
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| 35 | REAL, INTENT(IN) :: dtime |
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| [2558] | 36 | REAL, DIMENSION(klon), INTENT(IN) :: cell_area |
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| [2513] | 37 | INTEGER, DIMENSION(klon), INTENT(IN) :: lmax_th |
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| 38 | REAL, DIMENSION(klon,klev), INTENT(IN) :: t_seri |
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| 39 | REAL, DIMENSION(klon), INTENT(IN) :: ale_bl_stat |
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| 40 | REAL, DIMENSION(klon), INTENT(IN) :: cin |
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| [4843] | 41 | REAL, DIMENSION(klon), INTENT(IN) :: s2, n2, strig |
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| [2513] | 42 | |
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| 43 | REAL, DIMENSION(klon), INTENT(INOUT) :: ale_bl_trig, ale_bl |
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| 44 | REAL, DIMENSION(klon), INTENT(INOUT) :: alp_bl |
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| 45 | REAL, DIMENSION(klon), INTENT(INOUT) :: alp_bl_stat |
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| [2730] | 46 | REAL, DIMENSION(klon), INTENT(INOUT) :: proba_notrig |
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| [2513] | 47 | |
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| [2730] | 48 | REAL, DIMENSION(klon), INTENT(OUT) :: random_notrig |
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| [2556] | 49 | |
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| [3208] | 50 | REAL, DIMENSION(klon), INTENT(OUT) :: birth_rate |
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| 51 | |
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| [2513] | 52 | ! Local variables |
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| 53 | !---------------- |
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| 54 | INTEGER :: i |
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| 55 | LOGICAL, SAVE :: first = .TRUE. |
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| [4826] | 56 | LOGICAL, SAVE :: multiply_proba_notrig = .FALSE. |
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| [2513] | 57 | REAL, SAVE :: random_notrig_max=1. |
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| [2558] | 58 | REAL, SAVE :: cv_feed_area |
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| 59 | REAL :: birth_number |
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| 60 | REAL, DIMENSION(klon) :: ale_bl_ref |
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| [2556] | 61 | REAL, DIMENSION(klon) :: tau_trig |
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| [5099] | 62 | |
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| [4826] | 63 | !$OMP THREADPRIVATE(multiply_proba_notrig) |
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| [2513] | 64 | !$OMP THREADPRIVATE(random_notrig_max) |
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| [2558] | 65 | !$OMP THREADPRIVATE(cv_feed_area) |
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| [2513] | 66 | !$OMP THREADPRIVATE(first) |
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| [5099] | 67 | |
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| [2558] | 68 | REAL umexp ! expression of (1.-exp(-x))/x valid for all x, especially when x->0 |
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| 69 | REAL x |
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| [5099] | 70 | |
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| [3531] | 71 | CHARACTER (LEN=20) :: modname='alpale_th' |
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| 72 | CHARACTER (LEN=80) :: abort_message |
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| 73 | |
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| [2558] | 74 | umexp(x) = max(sign(1.,x-1.e-3),0.)*(1.-exp(-x))/max(x,1.e-3) + & |
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| [3073] | 75 | (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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| 76 | !!! (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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| 77 | !!! (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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| [5099] | 78 | |
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| [2558] | 79 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 80 | ! JYG, 20160513 : Introduction of the Effective Lifting Power (ELP), which |
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| 81 | ! takes into account the area (cv_feed_area) covered by thermals contributing |
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| 82 | ! to each cumulonimbus. |
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| 83 | ! The use of ELP prevents singularities when the trigger probability tends to |
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| 84 | ! zero. It is activated by iflag_clos_bl = 3. |
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| 85 | ! The ELP values are stored in the ALP_bl variable. |
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| [5099] | 86 | |
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| [2558] | 87 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| [4826] | 88 | |
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| 89 | IF (first) THEN |
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| 90 | CALL getin_p('multiply_proba_notrig',multiply_proba_notrig) |
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| [5082] | 91 | IF (iflag_clos_bl < 3) THEN |
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| [4826] | 92 | random_notrig_max=1. |
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| 93 | CALL getin_p('random_notrig_max',random_notrig_max) |
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| [5082] | 94 | ELSEIF (iflag_clos_bl == 3) THEN ! (iflag_clos_bl .LT. 3) |
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| [4826] | 95 | cv_feed_area = 1.e10 ! m2 |
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| 96 | CALL getin_p('cv_feed_area', cv_feed_area) |
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| 97 | ENDIF !! (iflag_clos_bl .LT. 3) |
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| 98 | first=.FALSE. |
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| 99 | ENDIF |
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| 100 | |
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| [2730] | 101 | !! |
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| [4827] | 102 | !! Control of the multiplication of no-trigger probabilities between calls |
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| [5116] | 103 | !! to the convection scheme. If multiply_proba_notrig is .FALSE., THEN |
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| [5101] | 104 | !! proba_notrig is set to 1 at each CALL to alpale_th, so that only the last CALL |
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| [5103] | 105 | !! plays a role in the triggering of convection. If it is .TRUE., then propa_notrig |
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| [4827] | 106 | !! is saved between calls to convection and is reset to 1 only after calling the |
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| 107 | !! convection scheme. |
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| 108 | !! For instance, if the probability of no_trigger is 0.9 at each call, and if |
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| 109 | !! there are 3 calls to alpale_th between calls to the convection scheme, then the |
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| 110 | !! probability of triggering convection will be 0.1 (= 1.-0.9) if |
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| [5103] | 111 | !! multiply_proba_notrig is .FALSE. and 0.271 (= 1.-0.9^3) if multiply_proba_notrig |
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| 112 | !! is .TRUE. |
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| [2730] | 113 | !! |
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| [4826] | 114 | IF (.NOT.multiply_proba_notrig) THEN |
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| 115 | DO i=1,klon |
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| [2730] | 116 | proba_notrig(i)=1. |
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| [4826] | 117 | ENDDO |
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| 118 | ENDIF !! (.NOT.multiply_proba_notrig) |
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| [2730] | 119 | !! |
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| 120 | !! |
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| [2558] | 121 | !--------------------------------------- |
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| [5082] | 122 | IF (iflag_clos_bl < 3) THEN |
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| [2558] | 123 | !--------------------------------------- |
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| [5099] | 124 | |
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| [2558] | 125 | ! Original code (Nicolas Rochetin) |
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| 126 | ! -------------------------------- |
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| [2513] | 127 | !cc nrlmd le 10/04/2012 |
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| 128 | !-----------Stochastic triggering----------- |
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| [5117] | 129 | IF (iflag_trig_bl>=1) THEN |
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| [5082] | 130 | IF (prt_level >= 10) THEN |
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| [3531] | 131 | WRITE(lunout,*)'cin, ale_bl_stat, alp_bl, alp_bl_stat ', & |
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| [3208] | 132 | cin, ale_bl_stat, alp_bl, alp_bl_stat |
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| [2513] | 133 | ENDIF |
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| 134 | |
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| 135 | |
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| 136 | !----Initialisations |
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| [5158] | 137 | DO i=1,klon |
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| [2730] | 138 | !!jyg proba_notrig(i)=1. |
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| [2513] | 139 | random_notrig(i)=1e6*ale_bl_stat(i)-int(1e6*ale_bl_stat(i)) |
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| [5117] | 140 | IF ( random_notrig(i) > random_notrig_max ) random_notrig(i)=0. |
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| 141 | IF ( ale_bl_trig(i) < abs(cin(i))+1.e-10 ) THEN |
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| [2513] | 142 | tau_trig(i)=tau_trig_shallow |
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| 143 | else |
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| 144 | tau_trig(i)=tau_trig_deep |
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| 145 | endif |
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| 146 | enddo |
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| [5099] | 147 | |
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| [5082] | 148 | IF (prt_level >= 10) THEN |
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| [3531] | 149 | WRITE(lunout,*)'random_notrig, tau_trig ', & |
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| [2513] | 150 | random_notrig, tau_trig |
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| [3531] | 151 | WRITE(lunout,*)'s_trig,s2,n2 ', & |
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| [2513] | 152 | s_trig,s2,n2 |
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| 153 | ENDIF |
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| 154 | |
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| 155 | !Option pour re-activer l'ancien calcul de Ale_bl (iflag_trig_bl=2) |
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| [5116] | 156 | IF (iflag_trig_bl==1) THEN |
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| [2513] | 157 | !----Tirage al\'eatoire et calcul de ale_bl_trig |
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| [5158] | 158 | DO i=1,klon |
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| [5117] | 159 | IF ( (ale_bl_stat(i) > abs(cin(i))+1.e-10) ) THEN |
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| [2730] | 160 | proba_notrig(i)=proba_notrig(i)* & |
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| [4843] | 161 | (1.-exp(-strig(i)/s2(i)))**(n2(i)*dtime/tau_trig(i)) |
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| [5160] | 162 | ! PRINT *, 'proba_notrig(i) ',proba_notrig(i) |
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| [5117] | 163 | IF (random_notrig(i) >= proba_notrig(i)) THEN |
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| [2513] | 164 | ale_bl_trig(i)=ale_bl_stat(i) |
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| 165 | else |
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| 166 | ale_bl_trig(i)=0. |
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| 167 | endif |
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| [4843] | 168 | birth_rate(i) = n2(i)*exp(-strig(i)/s2(i))/(tau_trig(i)*cell_area(i)) |
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| [3208] | 169 | !!! birth_rate(i) = max(birth_rate(i),1.e-18) |
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| [2513] | 170 | else |
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| [2730] | 171 | !!jyg proba_notrig(i)=1. |
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| [3208] | 172 | birth_rate(i) = 0. |
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| [2513] | 173 | random_notrig(i)=0. |
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| 174 | ale_bl_trig(i)=0. |
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| 175 | endif |
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| 176 | enddo |
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| 177 | |
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| [5116] | 178 | ELSE IF (iflag_trig_bl>=2) THEN |
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| [5158] | 179 | DO i=1,klon |
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| [5117] | 180 | IF ( (Ale_bl(i) > abs(cin(i))+1.e-10) ) THEN |
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| [2730] | 181 | proba_notrig(i)=proba_notrig(i)* & |
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| [4843] | 182 | (1.-exp(-strig(i)/s2(i)))**(n2(i)*dtime/tau_trig(i)) |
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| [5160] | 183 | ! PRINT *, 'proba_notrig(i) ',proba_notrig(i) |
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| [5117] | 184 | IF (random_notrig(i) >= proba_notrig(i)) THEN |
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| [2513] | 185 | ale_bl_trig(i)=Ale_bl(i) |
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| 186 | else |
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| 187 | ale_bl_trig(i)=0. |
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| 188 | endif |
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| [4843] | 189 | birth_rate(i) = n2(i)*exp(-strig(i)/s2(i))/(tau_trig(i)*cell_area(i)) |
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| [3208] | 190 | !!! birth_rate(i) = max(birth_rate(i),1.e-18) |
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| [2513] | 191 | else |
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| [2730] | 192 | !!jyg proba_notrig(i)=1. |
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| [3208] | 193 | birth_rate(i) = 0. |
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| [2513] | 194 | random_notrig(i)=0. |
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| 195 | ale_bl_trig(i)=0. |
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| 196 | endif |
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| 197 | enddo |
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| 198 | |
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| 199 | ENDIF |
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| 200 | |
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| [5082] | 201 | IF (prt_level >= 10) THEN |
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| [3531] | 202 | WRITE(lunout,*)'proba_notrig, ale_bl_trig ', & |
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| [2513] | 203 | proba_notrig, ale_bl_trig |
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| 204 | ENDIF |
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| 205 | |
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| 206 | endif !(iflag_trig_bl) |
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| 207 | |
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| 208 | !-----------Statistical closure----------- |
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| [5117] | 209 | IF (iflag_clos_bl==1) THEN |
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| [5158] | 210 | DO i=1,klon |
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| [2513] | 211 | !CR: alp probabiliste |
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| [5117] | 212 | IF (ale_bl_trig(i)>0.) THEN |
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| [2513] | 213 | alp_bl(i)=alp_bl(i)/(1.-min(proba_notrig(i),0.999)) |
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| 214 | endif |
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| 215 | enddo |
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| 216 | |
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| [5117] | 217 | ELSE IF (iflag_clos_bl==2) THEN |
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| [2513] | 218 | !CR: alp calculee dans thermcell_main |
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| [5158] | 219 | DO i=1,klon |
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| [2513] | 220 | alp_bl(i)=alp_bl_stat(i) |
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| 221 | enddo |
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| 222 | |
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| 223 | else |
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| 224 | |
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| 225 | alp_bl_stat(:)=0. |
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| 226 | |
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| 227 | endif !(iflag_clos_bl) |
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| 228 | |
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| [2558] | 229 | !--------------------------------------- |
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| [5082] | 230 | ELSEIF (iflag_clos_bl == 3) THEN ! (iflag_clos_bl .LT. 3) |
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| [2558] | 231 | !--------------------------------------- |
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| [5099] | 232 | |
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| [2558] | 233 | ! New code with Effective Lifting Power |
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| 234 | ! ------------------------------------- |
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| 235 | |
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| 236 | !-----------Stochastic triggering----------- |
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| [5117] | 237 | IF (iflag_trig_bl>=1) THEN |
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| [5082] | 238 | IF (prt_level >= 10) THEN |
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| [3531] | 239 | WRITE(lunout,*)'cin, ale_bl_stat, alp_bl_stat ', & |
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| [2558] | 240 | cin, ale_bl_stat, alp_bl_stat |
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| 241 | ENDIF |
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| 242 | |
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| 243 | ! Use ale_bl_stat (Rochetin's code) or ale_bl (old code) according to |
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| 244 | ! iflag_trig_bl value. |
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| [5082] | 245 | IF (iflag_trig_bl==1) then ! use ale_bl_stat (Rochetin computation) |
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| [5158] | 246 | DO i=1,klon |
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| [2558] | 247 | ale_bl_ref(i)=ale_bl_stat(i) |
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| 248 | enddo |
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| [5082] | 249 | ELSE IF (iflag_trig_bl>=2) then ! use ale_bl (old computation) |
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| [5158] | 250 | DO i=1,klon |
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| [2558] | 251 | ale_bl_ref(i)=Ale_bl(i) |
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| 252 | enddo |
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| [5117] | 253 | ENDIF ! (iflag_trig_bl.EQ.1) |
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| [2558] | 254 | |
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| 255 | |
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| 256 | !----Initializations and random number generation |
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| [5158] | 257 | DO i=1,klon |
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| [2730] | 258 | !!jyg proba_notrig(i)=1. |
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| [2558] | 259 | random_notrig(i)=1e6*ale_bl_stat(i)-int(1e6*ale_bl_stat(i)) |
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| [5117] | 260 | IF ( ale_bl_trig(i) < abs(cin(i))+1.e-10 ) THEN |
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| [2558] | 261 | tau_trig(i)=tau_trig_shallow |
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| 262 | else |
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| 263 | tau_trig(i)=tau_trig_deep |
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| 264 | endif |
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| 265 | enddo |
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| [5099] | 266 | |
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| [5082] | 267 | IF (prt_level >= 10) THEN |
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| [3531] | 268 | WRITE(lunout,*)'random_notrig, tau_trig ', & |
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| [2558] | 269 | random_notrig, tau_trig |
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| [3531] | 270 | WRITE(lunout,*)'s_trig,s2,n2 ', & |
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| [2558] | 271 | s_trig,s2,n2 |
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| 272 | ENDIF |
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| 273 | |
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| 274 | !----alp_bl computation |
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| [5158] | 275 | DO i=1,klon |
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| [5117] | 276 | IF ( (ale_bl_ref(i) > abs(cin(i))+1.e-10) ) THEN |
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| [4843] | 277 | birth_number = n2(i)*exp(-strig(i)/s2(i)) |
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| [2558] | 278 | birth_rate(i) = birth_number/(tau_trig(i)*cell_area(i)) |
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| [3208] | 279 | !!! birth_rate(i) = max(birth_rate(i),1.e-18) |
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| [2730] | 280 | proba_notrig(i)=proba_notrig(i)*exp(-birth_number*dtime/tau_trig(i)) |
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| [2558] | 281 | Alp_bl(i) = Alp_bl(i)* & |
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| 282 | umexp(-birth_number*cv_feed_area/cell_area(i))/ & |
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| 283 | umexp(-birth_number*dtime/tau_trig(i))* & |
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| 284 | tau_trig(i)*cv_feed_area/(dtime*cell_area(i)) |
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| 285 | else |
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| [2730] | 286 | !!jyg proba_notrig(i)=1. |
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| [3208] | 287 | birth_rate(i)=0. |
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| [2558] | 288 | random_notrig(i)=0. |
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| 289 | alp_bl(i)=0. |
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| 290 | endif |
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| 291 | enddo |
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| 292 | |
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| 293 | !----ale_bl_trig computation |
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| [5158] | 294 | DO i=1,klon |
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| [5117] | 295 | IF (random_notrig(i) >= proba_notrig(i)) THEN |
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| [2558] | 296 | ale_bl_trig(i)=ale_bl_ref(i) |
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| 297 | else |
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| 298 | ale_bl_trig(i)=0. |
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| 299 | endif |
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| 300 | enddo |
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| 301 | |
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| [5082] | 302 | IF (prt_level >= 10) THEN |
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| [3531] | 303 | WRITE(lunout,*)'proba_notrig, ale_bl_trig ', & |
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| [2558] | 304 | proba_notrig, ale_bl_trig |
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| 305 | ENDIF |
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| 306 | |
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| 307 | endif !(iflag_trig_bl .ge. 1) |
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| 308 | |
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| 309 | !--------------------------------------- |
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| 310 | ENDIF ! (iflag_clos_bl .LT. 3) |
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| 311 | !--------------------------------------- |
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| 312 | |
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| [5082] | 313 | IF (prt_level >= 10) THEN |
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| [3531] | 314 | WRITE(lunout,*)'alpale_th: ale_bl_trig, alp_bl_stat, birth_rate ', & |
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| [3209] | 315 | ale_bl_trig(1), alp_bl_stat(1), birth_rate(1) |
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| [2513] | 316 | ENDIF |
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| 317 | |
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| 318 | !cc fin nrlmd le 10/04/2012 |
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| [5099] | 319 | |
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| [2513] | 320 | !IM/FH: 2011/02/23 |
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| 321 | ! Couplage Thermiques/Emanuel seulement si T<0 |
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| [5117] | 322 | IF (iflag_coupl==2) THEN |
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| [5082] | 323 | IF (prt_level >= 10) THEN |
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| [3531] | 324 | WRITE(lunout,*)'Couplage Thermiques/Emanuel seulement si T<0' |
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| [2513] | 325 | ENDIF |
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| [5158] | 326 | DO i=1,klon |
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| [5117] | 327 | IF (t_seri(i,lmax_th(i))>273.) THEN |
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| [2513] | 328 | Ale_bl(i)=0. |
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| 329 | endif |
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| 330 | enddo |
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| [5160] | 331 | ! PRINT *,'In order to run with iflag_coupl=2, you have to comment out the following stop ' |
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| [3531] | 332 | ! STOP |
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| 333 | abort_message='In order to run with iflag_coupl=2, you have to comment out the following abort' |
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| 334 | CALL abort_physic(modname,abort_message,1) |
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| [2513] | 335 | endif |
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| 336 | RETURN |
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| 337 | END |
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| 338 | |
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