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