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Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
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Short summary
The evolution of near-surface turbulence kinetic energy (TKE) and its budget in the afternoon transition has been studied based on field measurements. The study shows that TKE transport is an important budget term that needs to be taken into account in modeling of TKE. A non-local parametrization of dissipation using a TKE–length scale model which takes into account of boundary layer depth also gave improved results compared to a local parametrization.
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Articles | Volume 16, issue 14
Atmos. Chem. Phys., 16, 8849–8872, 2016
https://doi.org/10.5194/acp-16-8849-2016

Special issue: The Boundary-Layer Late Afternoon and Sunset Turbulence (BLLAST)...

Atmos. Chem. Phys., 16, 8849–8872, 2016
https://doi.org/10.5194/acp-16-8849-2016

Research article 19 Jul 2016

Research article | 19 Jul 2016

Turbulence kinetic energy budget during the afternoon transition – Part 1: Observed surface TKE budget and boundary layer description for 10 intensive observation period days

Erik Nilsson et al.

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Short summary
The evolution of near-surface turbulence kinetic energy (TKE) and its budget in the afternoon transition has been studied based on field measurements. The study shows that TKE transport is an important budget term that needs to be taken into account in modeling of TKE. A non-local parametrization of dissipation using a TKE–length scale model which takes into account of boundary layer depth also gave improved results compared to a local parametrization.
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