module hbtm_mod

  IMPLICIT NONE

contains

       trmb1, trmb2, trmb3, plcl)

    USE dimphy

    ! ***************************************************************

    ! *                                                             *

    ! * HBTM2   D'apres Holstag&Boville et Troen&Mahrt              *

    ! *                 JAS 47              BLM                     *

    ! * Algorithme These Anne Mathieu                               *

    ! * Critere d'Entrainement Peter Duynkerke (JAS 50)             *

    ! * written by  : Anne MATHIEU & Alain LAHELLEC, 22/11/99       *

    ! * features : implem. exces Mathieu                            *

    ! ***************************************************************

    ! * mods : decembre 99 passage th a niveau plus bas. voir fixer *

    ! * la prise du th a z/Lambda = -.2 (max Ray)                   *

    ! * Autre algo : entrainement ~ Theta+v =cste mais comment=>The?*

    ! * on peut fixer q a .7qsat(cf non adiab)=>T2 et The2          *

    ! * voir aussi //KE pblh = niveau The_e ou l = env.             *

    ! ***************************************************************

    ! * fin therm a la HBTM passage a forme Mathieu 12/09/2001      *

    ! ***************************************************************

    ! *

    ! AM Fev 2003

    ! Adaptation a LMDZ version couplee

    ! Pour le moment on fait passer en argument les grdeurs de surface :

    ! flux, t,q2m, t,q10m, on va utiliser systematiquement les grdeurs a 2m ms

    ! on garde la possibilite de changer si besoin est (jusqu'a present la

    ! forme de HB avec le 1er niveau modele etait conservee)

    include "YOMCST.h"

    REAL rlvcp, reps

    ! Arguments:

    INTEGER knon ! nombre de points a calculer

    ! AM

    REAL t2m(klon), t10m(klon) ! temperature a 2 et 10m

    REAL q2m(klon), q10m(klon) ! q a 2 et 10m

    REAL ustar(klon)

    REAL wstar(klon) ! w*, convective velocity scale

    REAL paprs(klon, klev+1) ! pression a inter-couche (Pa)

    REAL pplay(klon, klev) ! pression au milieu de couche (Pa)

    REAL flux_t(klon, klev), flux_q(klon, klev) ! Flux

    REAL u(klon, klev) ! vitesse U (m/s)

    REAL v(klon, klev) ! vitesse V (m/s)

    REAL t(klon, klev) ! temperature (K)

    REAL q(klon, klev) ! vapeur d'eau (kg/kg)

    ! AM      REAL cd_h(klon) ! coefficient de friction au sol pour chaleur

    ! AM      REAL cd_m(klon) ! coefficient de friction au sol pour vitesse

    INTEGER isommet

    ! um      PARAMETER (isommet=klev) ! limite max sommet pbl

    REAL, PARAMETER :: vk = 0.35 ! Von Karman => passer a .41 ! cf U.Olgstrom

    REAL, PARAMETER :: ricr = 0.4

    REAL, PARAMETER :: fak = 8.5 ! b calcul du Prandtl et de dTetas

    REAL, PARAMETER :: fakn = 7.2 ! a

    REAL, PARAMETER :: onet = 1.0/3.0

    REAL, PARAMETER :: t_coup = 273.15

    REAL, PARAMETER :: zkmin = 0.01

    REAL, PARAMETER :: betam = 15.0 ! pour Phim / h dans la S.L stable

    REAL, PARAMETER :: betah = 15.0

    REAL, PARAMETER :: betas = 5.0

    ! Phit dans la S.L. stable (mais 2 formes / z/OBL<>1

    REAL, PARAMETER :: sffrac = 0.1 ! S.L. = z/h < .1

    REAL, PARAMETER :: usmin = 1.E-12

    REAL, PARAMETER :: binm = betam*sffrac

    REAL, PARAMETER :: binh = betah*sffrac

    REAL, PARAMETER :: ccon = fak*sffrac*vk

    REAL, PARAMETER :: b1 = 70., b2 = 20.

    REAL, PARAMETER :: zref = 2. ! Niveau de ref a 2m peut eventuellement

    ! etre choisi a 10m

    REAL q_star, t_star

    REAL b212, b2sr ! Lambert correlations T' q' avec T* q*

    ! AM      REAL pcfm(klon,klev), pcfh(klon,klev)

    INTEGER i, k, j

    REAL zxt

    ! AM      REAL zxt, zxq, zxu, zxv, zxmod, taux, tauy

    ! AM      REAL zx_alf1, zx_alf2 ! parametres pour extrapolation

    REAL pblh(klon)

    REAL pblt(klon)

    REAL plcl(klon)

    ! AM      REAL cgh(klon,2:klev) ! counter-gradient term for heat [K/m]

    ! AM      REAL cgq(klon,2:klev) ! counter-gradient term for constituents

    ! AM      REAL cgs(klon,2:klev) ! counter-gradient star (cg/flux)

    ! AM      REAL ztvd, ztvu,

    REAL zdu2

    REAL, intent(out):: therm(:) ! (klon) thermal virtual temperature excess

    REAL trmb1(klon), trmb2(klon), trmb3(klon)

    ! Algorithme thermique

    REAL cape(klon) ! Cape du thermique

    REAL eauliq(klon) ! Eau liqu integr du thermique

    REAL ctei(klon) ! Critere d'instab d'entrainmt des nuages de CL

    REAL the1, the2, aa, bb, zthvd, zthvu, xintpos, qqsat

    ! IM 091204 BEG

    REAL a1, a2, a3

    ! IM 091204 END

    REAL xhis, rnum, denom, th1, th2, thv1, thv2, ql2

    REAL dqsat_dt, qsat2, qt1, q2, t1, t2, xnull, delt_the

    REAL delt_qt, delt_2, quadsat, spblh, reduc

    REAL zcor, zdelta, zcvm5

    ! AM      REAL zxqs

    REAL fac, pblmin, zmzp, term

    include "YOETHF.h"

    include "FCTTRE.h"

    ! initialisations (Anne)

    isommet = klev

    q_star = 0

    t_star = 0

    b212 = sqrt(b1*b2)

    b2sr = sqrt(b2)

    ! ============================================================

    ! Fonctions thermo implicites

    ! ============================================================

    ! +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

    ! Tetens : pression partielle de vap d'eau e_sat(T)

    ! =================================================

    ! ++ e_sat(T) = r2*exp( r3*(T-Tf)/(T-r4) ) id a r2*FOEWE

    ! ++ avec :

    ! ++ Tf = 273.16 K  (Temp de fusion de la glace)

    ! ++ r2 = 611.14 Pa

    ! ++ r3 = 17.269 (liquide) 21.875 (solide) adim

    ! ++ r4 = 35.86             7.66           Kelvin

    ! ++  q_sat = eps*e_sat/(p-(1-eps)*e_sat)

    ! ++ deriv� :

    ! ++ =========

    ! ++                   r3*(Tf-r4)*q_sat(T,p)

    ! ++ d_qsat_dT = --------------------------------

    ! ++             (T-r4)^2*( 1-(1-eps)*e_sat(T)/p )

    ! ++ pour zcvm5=Lv, c'est FOEDE

    ! ++ Rq :(1.-REPS)*esarg/Parg id a RETV*Qsat

    ! ------------------------------------------------------------------

    ! Initialisation

    reps = rd/rv

    ! DO i = 1, klon

    ! pcfh(i,1) = cd_h(i)

    ! pcfm(i,1) = cd_m(i)

    ! ENDDO

    ! DO k = 2, klev

    ! DO i = 1, klon

    ! pcfh(i,k) = zkmin

    ! pcfm(i,k) = zkmin

    ! cgs(i,k) = 0.0

    ! cgh(i,k) = 0.0

    ! cgq(i,k) = 0.0

    ! ENDDO

    ! ENDDO

    ! Calculer les hauteurs de chaque couche

    ! (geopotentielle Int_dp/ro = Int_[Rd.T.dp/p] z = geop/g)

    ! pourquoi ne pas utiliser Phi/RG ?

       z(i, 1) = rd*t(i, 1)/(0.5*(paprs(i,1)+pplay(i,1)))&

    END DO

    ! s(k) = [pplay(k)/ps]^kappa

    ! + + + + + + + + + pplay  <-> s(k)   t  dp=pplay(k-1)-pplay(k)

    ! -----------------  paprs <-> sig(k)

    ! + + + + + + + + + pplay  <-> s(k-1)

    ! + + + + + + + + + pplay  <-> s(1)   t  dp=paprs-pplay   z(1)

    ! -----------------  paprs <-> sig(1)

          z(i, k) = z(i, k-1) + rd*0.5*(t(i,k-1)+t(i,k))/paprs(i, k)&

       END DO

    END DO

    ! ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

    ! ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

    ! +++  Determination des grandeurs de surface  +++++++++++++++++++++

    ! ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

    ! ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

       ! AM         IF (thermcep) THEN

       ! AM           zdelta=MAX(0.,SIGN(1.,RTT-tsol(i)))

       ! zcvm5 = R5LES*RLVTT*(1.-zdelta) + R5IES*RLSTT*zdelta

       ! zcvm5 = zcvm5 / RCPD / (1.0+RVTMP2*q(i,1))

       ! AM           zxqs= r2es * FOEEW(tsol(i),zdelta)/paprs(i,1)

       ! AM           zxqs=MIN(0.5,zxqs)

       ! AM           zcor=1./(1.-retv*zxqs)

       ! AM           zxqs=zxqs*zcor

       ! AM         ELSE

       ! AM           IF (tsol(i).LT.t_coup) THEN

       ! AM              zxqs = qsats(tsol(i)) / paprs(i,1)

       ! AM           ELSE

       ! AM              zxqs = qsatl(tsol(i)) / paprs(i,1)

       ! AM           ENDIF

       ! AM         ENDIF

       ! niveau de reference bulk; mais ici, c,a pourrait etre le niveau de ref

       ! du thermique

       ! AM        zx_alf1 = 1.0

       ! AM        zx_alf2 = 1.0 - zx_alf1

       ! AM        zxt = (t(i,1)+z(i,1)*RG/RCPD/(1.+RVTMP2*q(i,1)))

       ! AM     .        *(1.+RETV*q(i,1))*zx_alf1

       ! AM     .      + (t(i,2)+z(i,2)*RG/RCPD/(1.+RVTMP2*q(i,2)))

       ! AM     .        *(1.+RETV*q(i,2))*zx_alf2

       ! AM        zxu = u(i,1)*zx_alf1+u(i,2)*zx_alf2

       ! AM        zxv = v(i,1)*zx_alf1+v(i,2)*zx_alf2

       ! AM        zxq = q(i,1)*zx_alf1+q(i,2)*zx_alf2

       ! AM

       ! AMAM           zxu = u10m(i)

       ! AMAM           zxv = v10m(i)

       ! AMAM           zxmod = 1.0+SQRT(zxu**2+zxv**2)

       ! AM Niveau de ref choisi a 2m

       ! ***************************************************

       ! attention, il doit s'agir de <w'theta'>

       ! ;Calcul de tcls virtuel et de w'theta'virtuel

       ! ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

       ! tcls=tcls*(1+.608*qcls)

       ! ;Pour avoir w'theta',

       ! ; il faut diviser par ro.Cp

       ! Cp=Cpd*(1+0.84*qcls)

       ! fcs=fcs/(ro_surf*Cp)

       ! ;On transforme w'theta' en w'thetav'

       ! Lv=(2.501-0.00237*(tcls-273.15))*1.E6

       ! xle=xle/(ro_surf*Lv)

       ! fcsv=fcs+.608*xle*tcls

       ! ***************************************************

       ! AM        khfs(i) = (tsol(i)*(1.+RETV*q(i,1))-zxt) *zxmod*cd_h(i)

       ! AM        kqfs(i) = (zxqs-zxq) *zxmod*cd_h(i) * beta(i)

       ! AM

       ! dif khfs est deja w't'_v / heatv(i) = khfs(i) + RETV*zxt*kqfs(i)

       ! AM calcule de Ro = paprs(i,1)/Rd zxt

       ! AM convention >0 vers le bas ds lmdz

       ! AM   verifier que khfs et kqfs sont bien de la forme w'l'

       ! a comparer aussi aux sorties de clqh : flux_T/RoCp et flux_q/RoLv

       ! AM        heatv(i) = khfs(i)

       ! AM ustar est en entree

       ! AM        taux = zxu *zxmod*cd_m(i)

       ! AM        tauy = zxv *zxmod*cd_m(i)

       ! AM        ustar(i) = SQRT(taux**2+tauy**2)

       ! AM        ustar(i) = MAX(SQRT(ustar(i)),0.01)

       ! Theta et qT du thermique sans exces (interpolin vers surf)

       ! chgt de niveau du thermique (jeudi 30/12/1999)

       ! (interpolation lineaire avant integration phi_h)

       ! AM        qT_th(i) = zxqs*beta(i) + 4./z(i,1)*(q(i,1)-zxqs*beta(i))

       ! AM        qT_th(i) = max(qT_th(i),q(i,1))

       ! n The_th restera la Theta du thermique sans exces jusqu'a 2eme calcul

       ! n reste a regler convention P) pour Theta

       ! The_th(i) = tsol(i) + 4./z(i,1)*(t(i,1)-tsol(i))

       ! -                      + RLvCp*qT_th(i)

       ! AM        Th_th(i) = tsol(i) + 4./z(i,1)*(t(i,1)-tsol(i))

    END DO

       ! Lambda = -u*^3 / (alpha.g.kvon.<w'Theta'v>

    END DO

    ! ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

    ! PBL height calculation:

    ! Search for level of pbl. Scan upward until the Richardson number between

    ! the first level and the current level exceeds the "critical" value.

    ! (bonne idee Nu de separer le Ric et l'exces de temp du thermique)

    ! ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

    fac = 100.0

             ! pourquoi / niveau 1 (au lieu du sol) et le terme en u*^2 ?

             ! test     zdu2 =

             ! (u(i,k)-u(i,1))**2+(v(i,k)-v(i,1))**2+fac*ustar(i)**2

             ! Theta_v environnement

             ! therm Theta_v sans exces (avec hypothese fausse de H&B, sinon,

             ! passer par Theta_e et virpot)

             ! zthvu=t(i,1)/s(i,1)*(1.+RETV*q(i,1))

             ! AM         zthvu = Th_th(i)*(1.+RETV*q(i,1))

             ! Le Ri par Theta_v

             ! AM         rhino(i,k) = (z(i,k)-z(i,1))*RG*(zthvd-zthvu)

             ! AM     .               /(zdu2*0.5*(zthvd+zthvu))

             ! AM On a nveau de ref a 2m ???

             rhino(i, k) = (z(i,k)-zref)*rg*(zthvd-zthvu)/(zdu2*0.5&

                pblh(i) = z(i, k-1) + (z(i,k-1)-z(i,k))*(ricr-rhino(i,k-1))&

                ! test04

                pblt(i) = t(i, k-1) + (t(i,k)-t(i,k-1))*(pblh(i)-z(i,k-1))&

             END IF

          END IF

       END DO

    END DO

    ! Set pbl height to maximum value where computation exceeds number of

    ! layers allowed

    END DO

    ! Improve estimate of pbl height for the unstable points.

    ! Find unstable points (sensible heat flux is upward):

       ELSE

       END IF

    END DO

    ! For the unstable case, compute velocity scale and the

    ! convective temperature excess:

          ! ***************************************************

          ! Wm ? et W* ? c'est la formule pour z/h < .1

          ! ;Calcul de w* ;;

          ! ;;;;;;;;;;;;;;;;

          ! w_star=((g/tcls)*fcsv*z(ind))^(1/3.) [ou prendre la premiere approx

          ! de h)

          ! ;; CALCUL DE wm ;;

          ! ;;;;;;;;;;;;;;;;;;

          ! ; Ici on considerera que l'on est dans la couche de surf jusqu'a

          ! 100 m

          ! ; On prend svt couche de surface=0.1*h mais on ne connait pas h

          ! ;;;;;;;;;;;Dans la couche de surface

          ! if (z(ind) le 20) then begin

          ! Phim=(1.-15.*(z(ind)/L))^(-1/3.)

          ! wm=u_star/Phim

          ! ;;;;;;;;;;;En dehors de la couche de surface

          ! endif else if (z(ind) gt 20) then begin

          ! wm=(u_star^3+c1*w_star^3)^(1/3.)

          ! endif

          ! ***************************************************

          ! ===================================================================

          ! valeurs de Dominique Lambert de la campagne SEMAPHORE :

          ! <T'^2> = 100.T*^2; <q'^2> = 20.q*^2 a 10m

          ! <Tv'^2> = (1+1.2q).100.T* + 1.2Tv.sqrt(20*100).T*.q* +

          ! (.608*Tv)^2*20.q*^2;

          ! et dTetavS = sqrt(<Tv'^2>) ainsi calculee.

          ! avec : T*=<w'T'>_s/w* et q*=<w'q'>/w*

          ! !!! on peut donc utiliser w* pour les fluctuations <-> Lambert

          ! (leur corellation pourrait dependre de beta par ex)

          ! if fcsv(i,j) gt 0 then begin

          ! dTetavs=b1*(1.+2.*.608*q_10(i,j))*(fcs(i,j)/wm(i,j))^2+$

          ! (.608*Thetav_10(i,j))^2*b2*(xle(i,j)/wm(i,j))^2+$

          ! 2.*.608*thetav_10(i,j)*sqrt(b1*b2)*(xle(i,j)/wm(i,j))*(fcs(i,j)

          ! /wm(i,j))

          ! dqs=b2*(xle(i,j)/wm(i,j))^2

          ! theta_s(i,j)=thetav_10(i,j)+sqrt(dTetavs)

          ! q_s(i,j)=q_10(i,j)+sqrt(dqs)

          ! endif else begin

          ! Theta_s(i,j)=thetav_10(i,j)

          ! q_s(i,j)=q_10(i,j)

          ! endelse

          ! ===================================================================

          ! HBTM        therm(i) = heatv(i)*fak/wm(i)

          ! forme Mathieu :

          ! IM 091204 BEG

          IF (1==0) THEN

             IF (t_star<0. .OR. q_star<0.) THEN

                PRINT *, 'i t_star q_star khfs kqfs wm', i, t_star, q_star, &

                     khfs(i), kqfs(i), wm(i)

             END IF

          END IF

          ! IM 091204 END

          ! AM Nveau cde ref 2m =>

          ! AM        therm(i) = sqrt( b1*(1.+2.*RETV*q(i,1))*t_star**2

          ! AM     +             + (RETV*T(i,1))**2*b2*q_star**2

          ! AM     +             + 2.*RETV*T(i,1)*b212*q_star*t_star

          ! AM     +                 )

          ! IM 091204 BEG

          IF (1==0) THEN

             IF (aa<0.) THEN

                PRINT *, 'i a1 a2 a3 aa', i, a1, a2, a3, aa

                PRINT *, 'i qT_th Th_th t_star q_star RETV b1 b2 b212', i, &

                     qt_th(i), th_th(i), t_star, q_star, retv, b1, b2, b212

             END IF

          END IF

          ! IM 091204 END

          therm(i) = sqrt(b1*(1.+2.*retv*qt_th(i))*t_star**2+(retv*th_th( &

               i))**2*b2*q_star*q_star &  ! IM 101204  +             +

                                ! 2.*RETV*Th_th(i)*b212*q_star*t_star

          ! Theta et qT du thermique (forme H&B) avec exces

          ! (attention, on ajoute therm(i) qui est virtuelle ...)

          ! pourquoi pas sqrt(b1)*t_star ?

          ! dqs = b2sr*kqfs(i)/wm(i)

          ! new on differre le calcul de Theta_e

          ! The_th(i) = The_th(i) + therm(i) + RLvCp*qT_th(i)

          ! ou:    The_th(i) = The_th(i) + sqrt(b1)*khfs(i)/wm(i) +

          ! RLvCp*qT_th(i)

       END IF

    END DO

    ! +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

    ! ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

    ! ++ Improve pblh estimate for unstable conditions using the +++++++

    ! ++          convective temperature excess :                +++++++

    ! ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

    ! +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

             ! test     zdu2 =

             ! (u(i,k)-u(i,1))**2+(v(i,k)-v(i,1))**2+fac*ustar(i)**2

             ! Theta_v environnement

             ! et therm Theta_v (avec hypothese de constance de H&B,

             ! zthvu=(t(i,1)+therm(i))/s(i,1)*(1.+RETV*q(i,1))

             ! Le Ri par Theta_v

             ! AM Niveau de ref 2m

             ! AM         rhino(i,k) = (z(i,k)-z(i,1))*RG*(zthvd-zthvu)

             ! AM     .               /(zdu2*0.5*(zthvd+zthvu))

             rhino(i, k) = (z(i,k)-zref)*rg*(zthvd-zthvu)/(zdu2*0.5&

                pblh(i) = z(i, k-1) + (z(i,k-1)-z(i,k))*(ricr-rhino(i,k-1))&

                ! test04

                pblt(i) = t(i, k-1) + (t(i,k)-t(i,k-1))*(pblh(i)-z(i,k-1))&

                ! IM 170305 BEG

                IF (1==0) THEN

                   ! debug print -120;34       -34-        58 et    0;26 wamp

                   IF (i==950 .OR. i==192 .OR. i==624 .OR. i==118) THEN

                      PRINT *, ' i,Th_th,Therm,qT :', i, th_th(i), therm(i), &

                           qt_th(i)

                      q_star = kqfs(i)/wm(i)

                      t_star = khfs(i)/wm(i)

                      PRINT *, 'q* t*, b1,b2,b212 ', q_star, t_star, &

                           b1*(1.+2.*retv*qt_th(i))*t_star**2, &

                           (retv*th_th(i))**2*b2*q_star**2, 2.*retv*th_th(i)&

                           *b212*q_star *t_star

                      PRINT *, 'zdu2 ,100.*ustar(i)**2', zdu2, fac*ustar(i)**2

                   END IF

                END IF !(1.EQ.0) THEN

                ! IM 170305 END

                ! q_star = kqfs(i)/wm(i)

                ! t_star = khfs(i)/wm(i)

                ! trmb1(i) = b1*(1.+2.*RETV*q(i,1))*t_star**2

                ! trmb2(i) = (RETV*T(i,1))**2*b2*q_star**2

                ! Omega now   trmb3(i) = 2.*RETV*T(i,1)*b212*q_star*t_star

             END IF

          END IF

       END DO

    END DO

    ! Set pbl height to maximum value where computation exceeds number of

    ! layers allowed

    END DO

    ! PBL height must be greater than some minimum mechanical mixing depth

    ! Several investigators have proposed minimum mechanical mixing depth

    ! relationships as a function of the local friction velocity, u*.  We

    ! make use of a linear relationship of the form h = c u* where c=700.

    ! The scaling arguments that give rise to this relationship most often

    ! represent the coefficient c as some constant over the local coriolis

    ! parameter.  Here we make use of the experimental results of Koracin

    ! and Berkowicz (1988) [BLM, Vol 43] for wich they recommend 0.07/f

    ! where f was evaluated at 39.5 N and 52 N.  Thus we use a typical mid

    ! latitude value for f so that c = 0.07/f = 700.

       ! par exemple :

    END DO

    ! ********************************************************************

    ! pblh is now available; do preparation for diffusivity calculation :

    ! ********************************************************************

       ! omegafl utilise pour prolongement CAPE

       ! Do additional preparation for unstable cases only, set temperature

       ! and moisture perturbations depending on stability.

       ! *** Rq: les formule sont prises dans leur forme CS ***

          ! AM Niveau de ref du thermique

          ! AM          zxt=(t(i,1)-z(i,1)*0.5*RG/RCPD/(1.+RVTMP2*q(i,1)))

          ! AM     .         *(1.+RETV*q(i,1))

          zxt = (th_th(i)-zref*0.5*rg/rcpd/(1.+rvtmp2*qt_th(i)))* &

       ELSE

       END IF

       ! Computes Theta_e for thermal (all cases : to be modified)

       ! attention ajout therm(i) = virtuelle

       ! ou:    The_th(i) = Th_th(i) + sqrt(b1)*khfs(i)/wm(i) + RLvCp*qT_th(i)

    END DO

    ! Main level loop to compute the diffusivities and

    ! counter-gradient terms:

       ! Find levels within boundary layer:

          IF (zkmin==0.0 .AND. zp(i)>pblh(i)) zp(i) = pblh(i)

             ! debug

             ! if (i.EQ.1864) then

             ! print*,'i,pblh(1864),obklen(1864)',i,pblh(i),obklen(i)

             ! endif

             ! stblev for points zm < plbh and stable and neutral

             ! unslev for points zm < plbh and unstable

             ELSE

             END IF

          END IF

       END DO

       ! print*,'fin calcul niveaux'

       ! Stable and neutral points; set diffusivities; counter-gradient

       ! terms zero for stable case:

             ELSE

             END IF

             ! pcfm(i,k) = pblk(i)

             ! pcfh(i,k) = pcfm(i,k)

          END IF

       END DO

       ! unssrf, unstable within surface layer of pbl

       ! unsout, unstable within outer   layer of pbl

             ELSE

             END IF

          END IF

       END DO

       ! Unstable for surface layer; counter-gradient terms zero

          END IF

       END DO

       ! print*,'fin counter-gradient terms zero'

       ! Unstable for outer layer; counter-gradient terms non-zero:

             ! cgs(i,k) = fak3(i)/(pblh(i)*wm(i))

             ! cgh(i,k) = khfs(i)*cgs(i,k)

             ! cgq(i,k) = kqfs(i)*cgs(i,k)

          END IF

       END DO

       ! print*,'fin counter-gradient terms non zero'

       ! For all unstable layers, compute diffusivities and ctrgrad ter m

       ! DO i = 1, knon

       ! IF (unslev(i)) THEN

       ! pcfm(i,k) = pblk(i)

       ! pcfh(i,k) = pblk(i)/pr(i)

       ! etc cf original

       ! ENDIF

       ! ENDDO

       ! For all layers, compute integral info and CTEI

                ! Th2 = The_th(i) - RLvCp*qT_th(i)

                ! thermodyn functions

                   ! on calcule lcl

                   ELSE

                      plcl(i) = z(i, k-1) + (z(i,k-1)-z(i,k))*(qt_th(i)&

                   END IF

                END IF

             END IF

             ! amn ???? cette ligne a deja ete faite normalement ?

          END IF

          ! print*,'hbtm2 i,k=',i,k

       END DO

    END DO ! end of level loop

    ! IM 170305 BEG

    IF (1==0) THEN

       PRINT *, 'hbtm2  ok'

    END IF !(1.EQ.0) THEN

    ! IM 170305 END

end module hbtm_mod