MODULE YOEMETH

IMPLICIT NONE

SAVE

!     -----------------------------------------------------------------
!     ** YOEMETH - CONTROL PARAMETERS FOR METHANE OXIDATION
!     -----------------------------------------------------------------

!     * E.C.M.W.F. PHYSICS PACKAGE *

!     C. JAKOB        E.C.M.W.F.          98/04/07
!     D. Cugnet       Adapted for LMDZ    12/02/24

!      NAME     TYPE      PURPOSE
!      ----     ----      -------

!     *RALPHA1* REAL      CONSTANT IN TIME SCALE 1 CALCULATIONS
!     *RALPHA2* REAL      CONSTANT IN TIME SCALE 2 CALCULATIONS
!     *RQLIM*   REAL      UPPERLIMIT OD SPECIFIC HUMIDITY FOR 
!                         METHANE OXIDATION TO BE ACTIVE
!     *RPBOTOX* REAL      PRESSURE BELOW WHICH METHANE OXIDATION
!                         IS CONSIDERED ACTIVE
!     *RPBOTPH* REAL      PRESSURE BELOW WHICH H2O PHOTOLYSIS
!                         IS CONSIDERED ACTIVE
!     *RPTOPOX* REAL      PRESSURE BELOW WHICH SHORTEST TIME SCALE
!                         IS USED IN METHANE OXIDATION
!     *RPTOPPH* REAL      PRESSURE BELOW WHICH SHORTEST TIME SCALE
!                         IS USED IN H2O PHOTOLYISIS
!     *RALPHA3* REAL      CONSTANT IN TIME SCALE 2 CALCULATIONS
!     *RLOGPPH* REAL      CONSTANT IN TIME SCALE 2 CALCULATIONS

REAL :: RALPHA1
REAL :: RALPHA2
REAL :: RQLIM
REAL :: RPBOTOX
REAL :: RPBOTPH
REAL :: RPTOPOX
REAL :: RPTOPPH
REAL :: RALPHA3
REAL :: RLOGPPH

END MODULE YOEMETH