Including Radiative Effects in an Entrainment Rate Formula for Buoyancy-Driven PBLs

@inproceedings{Sullivan1999IncludingRE,
  title={Including Radiative Effects in an Entrainment Rate Formula for Buoyancy-Driven PBLs},
  author={Peter P. Sullivan and Bjorn Stevens},
  year={1999}
}
The effect of longwave radiative cooling at the planetary boundary layer (PBL) top in determining the entrainment rate was examined in this study. The entrainment rate equation that accounts for longwave radiative cooling can be formally derived from the following steps: 1) Derive the mean buoyancy budget in the thin layer between the averaged entrainment flux (i.e., the minimum buoyancy flux) level and the top of the entrainment zone where turbulent fluxes vanish. 2) Use the Deardorff… CONTINUE READING
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