commap.f90

CCSM Research Tools: Community Atmosphere Model (CAM)

module commap

   use precision
   use pmgrid, only: plond, plev, plat
   use pspect, only: pmmax, pnmax

   real(r8) :: bps(plev)          ! coefficient for ln(ps) term in divergence eqn
   real(r8) :: sq(pnmax)          ! n(n+1)/a^2  (del^2 response function)
   real(r8) :: rsq(pnmax)         ! a^2/(n(n+1))
   real(r8) :: slat(plat/2)       ! |sine latitude| (hemisphere)
   real(r8) :: w(plat)            ! gaussian weights (hemisphere)
   real(r8) :: cs(plat/2)         ! cosine squared latitude (hemisphere)
   real(r8) :: href(plev,plev)    ! reference hydrostatic equation matrix
   real(r8) :: ecref(plev,plev)   ! reference energy conversion matrix
   real(r8) :: clat(plat)         ! model latitudes (radians)
   real(r8) :: clon(plond,plat)   ! model longitudes (radians)
   real(r8) :: latdeg(plat)       ! model latitudes (degrees)
   real(r8) :: zcr(pnmax,plev)    ! SLD only: real(r8) eigenvalues of semi-implicit matrix 
!                                 ! (divergence equation)
   real(r8) :: bm1(plev,plev)     ! transpose of right eigenvectors of semi-implicit matrix
   real(r8) :: bmi(plev,plev)     ! SLD only: transpose of inverse of the right eigenvectors
!                                 ! (left eigenvectors) of the semi-implicit matrix
   real(r8) :: tau(plev,plev )    ! matrix for reference d term in thermodynamic eqn
   real(r8) :: londeg(plond,plat) ! model longitudes (degrees)
   real(r8) :: t0(plev)           ! Reference temperature for t-prime computations
   real(r8) :: xm(pmmax)          ! m (longitudinal wave number)
end module commap