CCPP Scientific Documentation
v5.0.0
subroutine mfpbltq ( integer  im,
integer  ix,
integer  km,
integer  kmpbl,
integer  ntcw,
integer  ntrac1,
real(kind=kind_phys)  delt 
)

GFS mfpblt General Algorithm

  • Compute thermal excess
  • Compute entrainment rate
  • Compute buoyancy for updraft air parcel
  • Compute updraft velocity square(wu2, eqn 13 in Han et al.(2019) [75])
  • Update pbl height as the height where updraft velocity vanishes
  • Update entrainment rate
  • Compute entrainment rate averaged over the whole pbl
  • Updraft mass flux as a function of updraft velocity profile
  • Compute updraft fraction as a function of mean entrainment rate (Grell and Freitas (2014) [72]
  • Compute scale-aware function based on Arakawa and Wu (2013) [9]
  • Final scale-aware updraft mass flux
  • Compute updraft property using updated entranment rate

References physcons::con_cp, physcons::con_eps, physcons::con_epsm1, physcons::con_fvirt, physcons::con_g, physcons::con_hvap, physcons::con_rv, and funcphys::fpvs().

Referenced by satmedmfvdifq::satmedmfvdifq_run().

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