1 |
module HBTM_m |
2 |
|
3 |
IMPLICIT none |
4 |
|
5 |
contains |
6 |
|
7 |
SUBROUTINE HBTM(knon, paprs, pplay, t2m, t10m, q2m, q10m, ustar, flux_t, & |
8 |
flux_q, u, v, t, q, pblh, cape, EauLiq, ctei, pblT, therm, trmb1, & |
9 |
trmb2, trmb3, plcl) |
10 |
|
11 |
use dimens_m |
12 |
use dimphy |
13 |
use SUPHEC_M |
14 |
use yoethf_m |
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use fcttre |
16 |
|
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! D'apres Holstag & Boville et Troen & Mahrt |
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! JAS 47 BLM |
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! Algorithme thèse Anne Mathieu |
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! Critère d'entraînement Peter Duynkerke (JAS 50) |
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! written by: Anne MATHIEU and Alain LAHELLEC, 22nd November 1999 |
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! features : implem. exces Mathieu |
23 |
|
24 |
! modifications : decembre 99 passage th a niveau plus bas. voir fixer |
25 |
! la prise du th a z/Lambda = -.2 (max Ray) |
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! Autre algo : entrainement ~ Theta+v =cste mais comment=>The? |
27 |
! on peut fixer q a .7 qsat (cf. non adiabatique) => T2 et The2 |
28 |
! voir aussi //KE pblh = niveau The_e ou l = env. |
29 |
|
30 |
! fin therm a la HBTM passage a forme Mathieu 12/09/2001 |
31 |
|
32 |
! Adaptation a LMDZ version couplee |
33 |
! Pour le moment on fait passer en argument les grandeurs de surface : |
34 |
! flux, t, q2m, t, q10m, on va utiliser systematiquement les grandeurs a 2m |
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! mais on garde la possibilité de changer si besoin est (jusqu'à présent |
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! la forme de HB avec le 1er niveau modele etait conservee) |
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|
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REAL RLvCp, REPS |
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! Arguments: |
40 |
|
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! nombre de points a calculer |
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INTEGER, intent(in):: knon |
43 |
|
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REAL, intent(in):: t2m(klon) ! temperature a 2 m |
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real t10m(klon) ! temperature a 10 m |
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! q a 2 et 10m |
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REAL q2m(klon), q10m(klon) |
48 |
REAL ustar(klon) |
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! pression a inter-couche (Pa) |
50 |
REAL paprs(klon, klev+1) |
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! pression au milieu de couche (Pa) |
52 |
REAL pplay(klon, klev) |
53 |
! Flux |
54 |
REAL flux_t(klon, klev), flux_q(klon, klev) |
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! vitesse U (m/s) |
56 |
REAL u(klon, klev) |
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! vitesse V (m/s) |
58 |
REAL v(klon, klev) |
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! temperature (K) |
60 |
REAL t(klon, klev) |
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! vapeur d'eau (kg/kg) |
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REAL q(klon, klev) |
63 |
|
64 |
INTEGER isommet |
65 |
! limite max sommet pbl |
66 |
PARAMETER (isommet=klev) |
67 |
REAL vk |
68 |
! Von Karman => passer a .41 ! cf U.Olgstrom |
69 |
PARAMETER (vk=0.35) |
70 |
REAL ricr |
71 |
PARAMETER (ricr=0.4) |
72 |
REAL fak |
73 |
! b calcul du Prandtl et de dTetas |
74 |
PARAMETER (fak=8.5) |
75 |
REAL fakn |
76 |
! a |
77 |
PARAMETER (fakn=7.2) |
78 |
REAL onet |
79 |
PARAMETER (onet=1.0/3.0) |
80 |
REAL t_coup |
81 |
PARAMETER(t_coup=273.15) |
82 |
REAL zkmin |
83 |
PARAMETER (zkmin=0.01) |
84 |
REAL betam |
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! pour Phim / h dans la S.L stable |
86 |
PARAMETER (betam=15.0) |
87 |
REAL betah |
88 |
PARAMETER (betah=15.0) |
89 |
REAL betas |
90 |
! Phit dans la S.L. stable (mais 2 formes / |
91 |
PARAMETER (betas=5.0) |
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! z/OBL<>1 |
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REAL sffrac |
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! S.L. = z/h < .1 |
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PARAMETER (sffrac=0.1) |
96 |
REAL binm |
97 |
PARAMETER (binm=betam*sffrac) |
98 |
REAL binh |
99 |
PARAMETER (binh=betah*sffrac) |
100 |
REAL ccon |
101 |
PARAMETER (ccon=fak*sffrac*vk) |
102 |
|
103 |
REAL q_star, t_star |
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! Lambert correlations T' q' avec T* q* |
105 |
REAL b1, b2, b212, b2sr |
106 |
PARAMETER (b1=70., b2=20.) |
107 |
|
108 |
REAL z(klon, klev) |
109 |
|
110 |
REAL zref |
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! Niveau de ref a 2m peut eventuellement |
112 |
PARAMETER (zref=2.) |
113 |
! etre choisi a 10m |
114 |
|
115 |
INTEGER i, k |
116 |
REAL zxt |
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! surface kinematic heat flux [mK/s] |
118 |
REAL khfs(klon) |
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! sfc kinematic constituent flux [m/s] |
120 |
REAL kqfs(klon) |
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! surface virtual heat flux |
122 |
REAL heatv(klon) |
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! bulk Richardon no. mais en Theta_v |
124 |
REAL rhino(klon, klev) |
125 |
! pts w/unstbl pbl (positive virtual ht flx) |
126 |
LOGICAL unstbl(klon) |
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! stable pbl with levels within pbl |
128 |
LOGICAL stblev(klon) |
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! unstbl pbl with levels within pbl |
130 |
LOGICAL unslev(klon) |
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! unstb pbl w/lvls within srf pbl lyr |
132 |
LOGICAL unssrf(klon) |
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! unstb pbl w/lvls in outer pbl lyr |
134 |
LOGICAL unsout(klon) |
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LOGICAL check(klon) ! Richardson number > critical |
136 |
! flag de prolongerment cape pour pt Omega |
137 |
LOGICAL omegafl(klon) |
138 |
REAL pblh(klon) |
139 |
REAL pblT(klon) |
140 |
REAL plcl(klon) |
141 |
|
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! Monin-Obukhov lengh |
143 |
REAL obklen(klon) |
144 |
|
145 |
REAL zdu2 |
146 |
! thermal virtual temperature excess |
147 |
REAL therm(klon) |
148 |
REAL trmb1(klon), trmb2(klon), trmb3(klon) |
149 |
! Algorithme thermique |
150 |
REAL s(klon, klev) ! [P/Po]^Kappa milieux couches |
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! equivalent potential temperature of therma |
152 |
REAL The_th(klon) |
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! total water of thermal |
154 |
REAL qT_th(klon) |
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! T thermique niveau precedent |
156 |
REAL Tbef(klon) |
157 |
REAL qsatbef(klon) |
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! le thermique est sature |
159 |
LOGICAL Zsat(klon) |
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! Cape du thermique |
161 |
REAL Cape(klon) |
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! Cape locale |
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REAL Kape(klon) |
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! Eau liqu integr du thermique |
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REAL EauLiq(klon) |
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! Critere d'instab d'entrainmt des nuages de |
167 |
REAL ctei(klon) |
168 |
REAL the1, the2, aa, zthvd, zthvu, xintpos, qqsat |
169 |
REAL a1, a2, a3 |
170 |
REAL xhis, rnum, th1, thv1, thv2, ql2 |
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REAL qsat2, qT1, q2, t1, t2, xnull |
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REAL quadsat, spblh, reduc |
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|
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! inverse phi function for momentum |
175 |
REAL phiminv(klon) |
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! inverse phi function for heat |
177 |
REAL phihinv(klon) |
178 |
! turbulent velocity scale for momentum |
179 |
REAL wm(klon) |
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! k*ustar*pblh |
181 |
REAL fak1(klon) |
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! k*wm*pblh |
183 |
REAL fak2(klon) |
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! fakn*wstr/wm |
185 |
REAL fak3(klon) |
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! level eddy diffusivity for momentum |
187 |
REAL pblk(klon) |
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! Prandtl number for eddy diffusivities |
189 |
REAL pr(klon) |
190 |
! zmzp / Obukhov length |
191 |
REAL zl(klon) |
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! zmzp / pblh |
193 |
REAL zh(klon) |
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! (1-(zmzp/pblh))**2 |
195 |
REAL zzh(klon) |
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! w*, convective velocity scale |
197 |
REAL wstr(klon) |
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! current level height |
199 |
REAL zm(klon) |
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! current level height + one level up |
201 |
REAL zp(klon) |
202 |
REAL zcor, zdelta, zcvm5 |
203 |
|
204 |
REAL fac, pblmin, zmzp, term |
205 |
|
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!----------------------------------------------------------------- |
207 |
|
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! initialisations |
209 |
q_star = 0 |
210 |
t_star = 0 |
211 |
|
212 |
b212=sqrt(b1*b2) |
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b2sr=sqrt(b2) |
214 |
|
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! Initialisation |
216 |
RLvCp = RLVTT/RCPD |
217 |
REPS = RD/RV |
218 |
|
219 |
! Calculer les hauteurs de chaque couche |
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! (geopotentielle Int_dp/ro = Int_[Rd.T.dp/p] z = geop/g) |
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! pourquoi ne pas utiliser Phi/RG ? |
222 |
DO i = 1, knon |
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z(i, 1) = RD * t(i, 1) / (0.5*(paprs(i, 1)+pplay(i, 1))) & |
224 |
* (paprs(i, 1)-pplay(i, 1)) / RG |
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s(i, 1) = (pplay(i, 1)/paprs(i, 1))**RKappa |
226 |
ENDDO |
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! s(k) = [pplay(k)/ps]^kappa |
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! + + + + + + + + + pplay <-> s(k) t dp=pplay(k-1)-pplay(k) |
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! ----------------- paprs <-> sig(k) |
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! + + + + + + + + + pplay <-> s(k-1) |
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! + + + + + + + + + pplay <-> s(1) t dp=paprs-pplay z(1) |
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! ----------------- paprs <-> sig(1) |
233 |
|
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DO k = 2, klev |
235 |
DO i = 1, knon |
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z(i, k) = z(i, k-1) & |
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+ RD * 0.5*(t(i, k-1)+t(i, k)) / paprs(i, k) & |
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* (pplay(i, k-1)-pplay(i, k)) / RG |
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s(i, k) = (pplay(i, k) / paprs(i, 1))**RKappa |
240 |
ENDDO |
241 |
ENDDO |
242 |
|
243 |
! Determination des grandeurs de surface |
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DO i = 1, knon |
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! Niveau de ref choisi a 2m |
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zxt = t2m(i) |
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|
248 |
! convention >0 vers le bas ds lmdz |
249 |
khfs(i) = - flux_t(i, 1)*zxt*Rd / (RCPD*paprs(i, 1)) |
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kqfs(i) = - flux_q(i, 1)*zxt*Rd / (paprs(i, 1)) |
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! verifier que khfs et kqfs sont bien de la forme w'l' |
252 |
heatv(i) = khfs(i) + 0.608*zxt*kqfs(i) |
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! a comparer aussi aux sorties de clqh : flux_T/RoCp et flux_q/RoLv |
254 |
! Theta et qT du thermique sans exces (interpolin vers surf) |
255 |
! chgt de niveau du thermique (jeudi 30/12/1999) |
256 |
! (interpolation lineaire avant integration phi_h) |
257 |
qT_th(i) = q2m(i) |
258 |
ENDDO |
259 |
|
260 |
DO i = 1, knon |
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! Global Richardson |
262 |
rhino(i, 1) = 0.0 |
263 |
check(i) = .TRUE. |
264 |
! on initialise pblh a l'altitude du 1er niv |
265 |
pblh(i) = z(i, 1) |
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plcl(i) = 6000. |
267 |
! Lambda = -u*^3 / (alpha.g.kvon.<w'Theta'v> |
268 |
obklen(i) = -t(i, 1)*ustar(i)**3/(RG*vk*heatv(i)) |
269 |
trmb1(i) = 0. |
270 |
trmb2(i) = 0. |
271 |
trmb3(i) = 0. |
272 |
ENDDO |
273 |
|
274 |
! PBL height calculation: Search for level of pbl. Scan upward |
275 |
! until the Richardson number between the first level and the |
276 |
! current level exceeds the "critical" value. (bonne idee Nu de |
277 |
! separer le Ric et l'exces de temp du thermique) |
278 |
fac = 100. |
279 |
DO k = 2, isommet |
280 |
DO i = 1, knon |
281 |
IF (check(i)) THEN |
282 |
! pourquoi / niveau 1 (au lieu du sol) et le terme en u*^2 ? |
283 |
zdu2 = u(i, k)**2+v(i, k)**2 |
284 |
zdu2 = max(zdu2, 1.0e-20) |
285 |
! Theta_v environnement |
286 |
zthvd=t(i, k)/s(i, k)*(1.+RETV*q(i, k)) |
287 |
|
288 |
! therm Theta_v sans exces (avec hypothese fausse de H&B, sinon, |
289 |
! passer par Theta_e et virpot) |
290 |
zthvu = T2m(i)*(1.+RETV*qT_th(i)) |
291 |
! Le Ri par Theta_v |
292 |
! On a nveau de ref a 2m ??? |
293 |
rhino(i, k) = (z(i, k)-zref)*RG*(zthvd-zthvu) & |
294 |
/(zdu2*0.5*(zthvd+zthvu)) |
295 |
|
296 |
IF (rhino(i, k).GE.ricr) THEN |
297 |
pblh(i) = z(i, k-1) + (z(i, k-1)-z(i, k)) * & |
298 |
(ricr-rhino(i, k-1))/(rhino(i, k-1)-rhino(i, k)) |
299 |
! test04 |
300 |
pblh(i) = pblh(i) + 100. |
301 |
pblT(i) = t(i, k-1) + (t(i, k)-t(i, k-1)) * & |
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(pblh(i)-z(i, k-1))/(z(i, k)-z(i, k-1)) |
303 |
check(i) = .FALSE. |
304 |
ENDIF |
305 |
ENDIF |
306 |
ENDDO |
307 |
ENDDO |
308 |
|
309 |
! Set pbl height to maximum value where computation exceeds number of |
310 |
! layers allowed |
311 |
DO i = 1, knon |
312 |
if (check(i)) pblh(i) = z(i, isommet) |
313 |
ENDDO |
314 |
|
315 |
! Improve estimate of pbl height for the unstable points. |
316 |
! Find unstable points (sensible heat flux is upward): |
317 |
DO i = 1, knon |
318 |
IF (heatv(i) > 0.) THEN |
319 |
unstbl(i) = .TRUE. |
320 |
check(i) = .TRUE. |
321 |
ELSE |
322 |
unstbl(i) = .FALSE. |
323 |
check(i) = .FALSE. |
324 |
ENDIF |
325 |
ENDDO |
326 |
|
327 |
! For the unstable case, compute velocity scale and the |
328 |
! convective temperature excess: |
329 |
DO i = 1, knon |
330 |
IF (check(i)) THEN |
331 |
phiminv(i) = (1.-binm*pblh(i)/obklen(i))**onet |
332 |
|
333 |
! CALCUL DE wm |
334 |
! Ici on considerera que l'on est dans la couche de surf jusqu'a 100 |
335 |
! On prend svt couche de surface=0.1*h mais on ne connait pas h |
336 |
! Dans la couche de surface |
337 |
wm(i)= ustar(i)*phiminv(i) |
338 |
|
339 |
! forme Mathieu : |
340 |
q_star = kqfs(i)/wm(i) |
341 |
t_star = khfs(i)/wm(i) |
342 |
|
343 |
a1=b1*(1.+2.*RETV*qT_th(i))*t_star**2 |
344 |
a2=(RETV*T2m(i))**2*b2*q_star**2 |
345 |
a3=2.*RETV*T2m(i)*b212*q_star*t_star |
346 |
aa=a1+a2+a3 |
347 |
|
348 |
therm(i) = sqrt( b1*(1.+2.*RETV*qT_th(i))*t_star**2 & |
349 |
+ (RETV*T2m(i))**2*b2*q_star**2 & |
350 |
+ max(0., 2.*RETV*T2m(i)*b212*q_star*t_star)) |
351 |
|
352 |
! Theta et qT du thermique (forme H&B) avec exces |
353 |
! (attention, on ajoute therm(i) qui est virtuelle ...) |
354 |
! pourquoi pas sqrt(b1)*t_star ? |
355 |
qT_th(i) = qT_th(i) + b2sr*q_star |
356 |
! new on differre le calcul de Theta_e |
357 |
rhino(i, 1) = 0. |
358 |
ENDIF |
359 |
ENDDO |
360 |
|
361 |
! Improve pblh estimate for unstable conditions using the |
362 |
! convective temperature excess : |
363 |
DO k = 2, isommet |
364 |
DO i = 1, knon |
365 |
IF (check(i)) THEN |
366 |
zdu2 = u(i, k)**2 + v(i, k)**2 |
367 |
zdu2 = max(zdu2, 1e-20) |
368 |
! Theta_v environnement |
369 |
zthvd=t(i, k)/s(i, k)*(1.+RETV*q(i, k)) |
370 |
|
371 |
! et therm Theta_v (avec hypothese de constance de H&B, |
372 |
zthvu = T2m(i)*(1.+RETV*qT_th(i)) + therm(i) |
373 |
|
374 |
! Le Ri par Theta_v |
375 |
! Niveau de ref 2m |
376 |
rhino(i, k) = (z(i, k)-zref)*RG*(zthvd-zthvu) & |
377 |
/(zdu2*0.5*(zthvd+zthvu)) |
378 |
|
379 |
IF (rhino(i, k).GE.ricr) THEN |
380 |
pblh(i) = z(i, k-1) + (z(i, k-1)-z(i, k)) * & |
381 |
(ricr-rhino(i, k-1))/(rhino(i, k-1)-rhino(i, k)) |
382 |
! test04 |
383 |
pblh(i) = pblh(i) + 100. |
384 |
pblT(i) = t(i, k-1) + (t(i, k)-t(i, k-1)) * & |
385 |
(pblh(i)-z(i, k-1))/(z(i, k)-z(i, k-1)) |
386 |
check(i) = .FALSE. |
387 |
ENDIF |
388 |
ENDIF |
389 |
ENDDO |
390 |
ENDDO |
391 |
|
392 |
! Set pbl height to maximum value where computation exceeds number of |
393 |
! layers allowed |
394 |
DO i = 1, knon |
395 |
if (check(i)) pblh(i) = z(i, isommet) |
396 |
ENDDO |
397 |
|
398 |
! PBL height must be greater than some minimum mechanical mixing depth |
399 |
! Several investigators have proposed minimum mechanical mixing depth |
400 |
! relationships as a function of the local friction velocity, u*. We |
401 |
! make use of a linear relationship of the form h = c u* where c=700. |
402 |
! The scaling arguments that give rise to this relationship most often |
403 |
! represent the coefficient c as some constant over the local coriolis |
404 |
! parameter. Here we make use of the experimental results of Koracin |
405 |
! and Berkowicz (1988) [BLM, Vol 43] for wich they recommend 0.07/f |
406 |
! where f was evaluated at 39.5 N and 52 N. Thus we use a typical mid |
407 |
! latitude value for f so that c = 0.07/f = 700. |
408 |
DO i = 1, knon |
409 |
pblmin = 700. * ustar(i) |
410 |
pblh(i) = MAX(pblh(i), pblmin) |
411 |
! par exemple : |
412 |
pblT(i) = t(i, 2) + (t(i, 3)-t(i, 2)) * & |
413 |
(pblh(i)-z(i, 2))/(z(i, 3)-z(i, 2)) |
414 |
ENDDO |
415 |
|
416 |
! pblh is now available; do preparation for diffusivity calculation: |
417 |
DO i = 1, knon |
418 |
check(i) = .TRUE. |
419 |
Zsat(i) = .FALSE. |
420 |
! omegafl utilise pour prolongement CAPE |
421 |
omegafl(i) = .FALSE. |
422 |
Cape(i) = 0. |
423 |
Kape(i) = 0. |
424 |
EauLiq(i) = 0. |
425 |
CTEI(i) = 0. |
426 |
pblk(i) = 0.0 |
427 |
fak1(i) = ustar(i)*pblh(i)*vk |
428 |
|
429 |
! Do additional preparation for unstable cases only, set temperature |
430 |
! and moisture perturbations depending on stability. |
431 |
! Remarque : les formule sont prises dans leur forme CS |
432 |
IF (unstbl(i)) THEN |
433 |
! Niveau de ref du thermique |
434 |
zxt=(T2m(i)-zref*0.5*RG/RCPD/(1.+RVTMP2*qT_th(i))) & |
435 |
*(1.+RETV*qT_th(i)) |
436 |
phiminv(i) = (1. - binm*pblh(i)/obklen(i))**onet |
437 |
phihinv(i) = sqrt(1. - binh*pblh(i)/obklen(i)) |
438 |
wm(i) = ustar(i)*phiminv(i) |
439 |
fak2(i) = wm(i)*pblh(i)*vk |
440 |
wstr(i) = (heatv(i)*RG*pblh(i)/zxt)**onet |
441 |
fak3(i) = fakn*wstr(i)/wm(i) |
442 |
ENDIF |
443 |
! Computes Theta_e for thermal (all cases : to be modified) |
444 |
! attention ajout therm(i) = virtuelle |
445 |
The_th(i) = T2m(i) + therm(i) + RLvCp*qT_th(i) |
446 |
ENDDO |
447 |
|
448 |
! Main level loop to compute the diffusivities and |
449 |
! counter-gradient terms: |
450 |
DO k = 2, isommet |
451 |
! Find levels within boundary layer: |
452 |
DO i = 1, knon |
453 |
unslev(i) = .FALSE. |
454 |
stblev(i) = .FALSE. |
455 |
zm(i) = z(i, k-1) |
456 |
zp(i) = z(i, k) |
457 |
IF (zkmin == 0. .AND. zp(i) > pblh(i)) zp(i) = pblh(i) |
458 |
IF (zm(i) < pblh(i)) THEN |
459 |
zmzp = 0.5*(zm(i) + zp(i)) |
460 |
zh(i) = zmzp/pblh(i) |
461 |
zl(i) = zmzp/obklen(i) |
462 |
zzh(i) = 0. |
463 |
IF (zh(i) <= 1.) zzh(i) = (1. - zh(i))**2 |
464 |
|
465 |
! stblev for points zm < plbh and stable and neutral |
466 |
! unslev for points zm < plbh and unstable |
467 |
IF (unstbl(i)) THEN |
468 |
unslev(i) = .TRUE. |
469 |
ELSE |
470 |
stblev(i) = .TRUE. |
471 |
ENDIF |
472 |
ENDIF |
473 |
ENDDO |
474 |
|
475 |
! Stable and neutral points; set diffusivities; counter-gradient |
476 |
! terms zero for stable case: |
477 |
DO i = 1, knon |
478 |
IF (stblev(i)) THEN |
479 |
IF (zl(i) <= 1.) THEN |
480 |
pblk(i) = fak1(i)*zh(i)*zzh(i)/(1. + betas*zl(i)) |
481 |
ELSE |
482 |
pblk(i) = fak1(i)*zh(i)*zzh(i)/(betas + zl(i)) |
483 |
ENDIF |
484 |
ENDIF |
485 |
ENDDO |
486 |
|
487 |
! unssrf, unstable within surface layer of pbl |
488 |
! unsout, unstable within outer layer of pbl |
489 |
DO i = 1, knon |
490 |
unssrf(i) = .FALSE. |
491 |
unsout(i) = .FALSE. |
492 |
IF (unslev(i)) THEN |
493 |
IF (zh(i) < sffrac) THEN |
494 |
unssrf(i) = .TRUE. |
495 |
ELSE |
496 |
unsout(i) = .TRUE. |
497 |
ENDIF |
498 |
ENDIF |
499 |
ENDDO |
500 |
|
501 |
! Unstable for surface layer; counter-gradient terms zero |
502 |
DO i = 1, knon |
503 |
IF (unssrf(i)) THEN |
504 |
term = (1. - betam*zl(i))**onet |
505 |
pblk(i) = fak1(i)*zh(i)*zzh(i)*term |
506 |
pr(i) = term/sqrt(1. - betah*zl(i)) |
507 |
ENDIF |
508 |
ENDDO |
509 |
|
510 |
! Unstable for outer layer; counter-gradient terms non-zero: |
511 |
DO i = 1, knon |
512 |
IF (unsout(i)) THEN |
513 |
pblk(i) = fak2(i)*zh(i)*zzh(i) |
514 |
pr(i) = phiminv(i)/phihinv(i) + ccon*fak3(i)/fak |
515 |
ENDIF |
516 |
ENDDO |
517 |
|
518 |
! For all layers, compute integral info and CTEI |
519 |
DO i = 1, knon |
520 |
if (check(i).or.omegafl(i)) then |
521 |
if (.not.Zsat(i)) then |
522 |
T2 = T2m(i) * s(i, k) |
523 |
! thermodyn functions |
524 |
zdelta=MAX(0., SIGN(1., RTT - T2)) |
525 |
qqsat= r2es * FOEEW(T2, zdelta) / pplay(i, k) |
526 |
qqsat=MIN(0.5, qqsat) |
527 |
zcor=1./(1.-retv*qqsat) |
528 |
qqsat=qqsat*zcor |
529 |
|
530 |
if (qqsat < qT_th(i)) then |
531 |
! on calcule lcl |
532 |
if (k == 2) then |
533 |
plcl(i) = z(i, k) |
534 |
else |
535 |
plcl(i) = z(i, k-1) + (z(i, k-1)-z(i, k)) & |
536 |
* (qT_th(i)-qsatbef(i)) / (qsatbef(i)-qqsat) |
537 |
endif |
538 |
Zsat(i) = .true. |
539 |
Tbef(i) = T2 |
540 |
endif |
541 |
endif |
542 |
qsatbef(i) = qqsat |
543 |
! cette ligne a deja ete faite normalement ? |
544 |
endif |
545 |
ENDDO |
546 |
end DO |
547 |
|
548 |
END SUBROUTINE HBTM |
549 |
|
550 |
end module HBTM_m |