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!Environment Canada - Atmospheric Science and Technology License/Disclaimer, 
!                     version 3; Last Modified: May 7, 2008.
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***S/R MFOTTV_TL  -  CALCULE TLM DE TEMP. A PARTIR DE TV ET HUM. SP.
*

      SUBROUTINE MFOTTV_TL(TT,TV,QQ,TV5,QQ5,NI,NK,N) 3
*
#include "impnone.cdk"
      INTEGER NI, NK, N
      REAL TT(NI,NK),  TV(NI,NK), QQ(NI,NK)
      REAL TV5(NI,NK), QQ5(NI,NK)
*
*Author
*          Stephane Laroche (fevrier 2001)
*
*Object
*          to calculate temperature perturbation TT from virtual temperature TV
*          and specific humidity QQ perturbations and trajectory TV5 and QQ5.
*
*Arguments
*
*          - Output -
* TT       temperature perturbation in Kelvins
*
*          - Input -
* TV       virtual temperature perturbation in Kelvins
* QQ       specific humidity perturbation in kg/kg
* TV5      virtual temperature trajectory in Kelvins
* QQ5      specific humidity trajectory in kg/kg
* NI       horizontal dimension
* NK       vertical dimension
* N        number of points to process
*
*IMPLICITES
#include "consphy.cdk"
*MODULES
      EXTERNAL INCTPHY
*
**
*--------------------------------------------------------------------
      INTEGER K, I
#include "dintern.cdk"
#include "fintern.cdk"
*--------------------------------------------------------------------
#include "initcph.cdk"
*
      DO K=1,NK
       DO I=1,N
         TT(I,K) = DBLE(TV(I,K))/(1.D0 + DBLE(DELTA)*DBLE(QQ5(I,K))) 
     %           - DBLE(TV5(I,K))*DBLE(DELTA)*DBLE(QQ(I,K))/((1.D0 + DBLE(DELTA)*DBLE(QQ5(I,K)))**2)
       ENDDO
      ENDDO
*
      RETURN
      CONTAINS
#include "fintern90.cdk"
      END