!
! $Id: comvert.h 1793 2013-07-18 07:13:18Z dcugnet $
!
!-----------------------------------------------------------------------
!   INCLUDE 'comvert.h'

      COMMON/comvertr/ap(llm+1),bp(llm+1),presnivs(llm),dpres(llm),     &
     &               pa,preff,nivsigs(llm),nivsig(llm+1),               &
     &               aps(llm),bps(llm),scaleheight,pseudoalt(llm)

      common/comverti/disvert_type, pressure_exner

      real ap     ! hybrid pressure contribution at interlayers
      real bp     ! hybrid sigma contribution at interlayer
      real presnivs ! (reference) pressure at mid-layers
      real dpres
      real pa     ! reference pressure (Pa) at which hybrid coordinates
                  ! become purely pressure
      real preff  ! reference surface pressure (Pa)
      real nivsigs
      real nivsig
      real aps    ! hybrid pressure contribution at mid-layers
      real bps    ! hybrid sigma contribution at mid-layers
      real scaleheight ! atmospheric (reference) scale height (km)
      real pseudoalt ! pseudo-altitude of model levels (km), based on presnivs(),
                     ! preff and scaleheight

      integer disvert_type ! type of vertical discretization:
                           ! 1: Earth (default for planet_type==earth),
                           !     automatic generation
                           ! 2: Planets (default for planet_type!=earth),
                           !     using 'z2sig.def' (or 'esasig.def) file

      logical pressure_exner
!     compute pressure inside layers using Exner function, else use mean
!     of pressure values at interfaces

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