Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
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Articles | Volume 16, issue 14
Articles | Volume 16, issue 14
https://doi.org/10.5194/acp-16-8873-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/acp-16-8873-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 16, issue 14
Research article
 | 
19 Jul 2016
Research article |  | 19 Jul 2016

Turbulence kinetic energy budget during the afternoon transition – Part 2: A simple TKE model

Erik Nilsson, Marie Lothon, Fabienne Lohou, Eric Pardyjak, Oscar Hartogensis, and Clara Darbieu

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Short summary
A new simple model for turbulence kinetic energy (TKE) and its budget is presented for the sheared convective atmospheric boundary layer. It is used to study effects of buoyancy and shear on TKE evolution during the afternoon transition, especially near the surface. We also find a region of weak turbulence during unstable afternoon conditions below the inversion top, which we refer to as a "pre-residual layer".
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The Boundary-Layer Late Afternoon and Sunset Turbulence (BLLAST)...
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