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!Environment Canada - Atmospheric Science and Technology License/Disclaimer, 
!                     version 3; Last Modified: May 7, 2008.
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***FONCTION SFODLE  -  CALCULE LA DERIVEE SELON T DU LN 'EW' OU 'EI'.
*

      FUNCTION SFODLE(TT),1
*
#include "impnone.cdk"
      REAL SFODLE,TT
*
*Author
*          N. Brunet  (Jan91)
*
*Object
*          to calculate and return the derivative of Ln(EW)
*          or Ln(EI) with respect to the temperature TT.
*          dLn(EW)/dTT or dLn(EI)/dTT
*          Water and ice phase are considered.
*
*Arguments
*
*          - Input -
* TT       temperature in Kelvins
*
*IMPLICITES
#include "consphy.cdk"
*MODULES
      EXTERNAL INCTPHY
*
**
*--------------------------------------------------------------------
#include "dintern.cdk"
#include "fintern.cdk"
*--------------------------------------------------------------------
#include "initcph.cdk"
*
*
      SFODLE = FODLE(TT)
*
      RETURN
      CONTAINS
#include "fintern90.cdk"
      END