Articles | Volume 19, issue 7
Atmos. Chem. Phys., 19, 4367–4382, 2019
https://doi.org/10.5194/acp-19-4367-2019
Atmos. Chem. Phys., 19, 4367–4382, 2019
https://doi.org/10.5194/acp-19-4367-2019
Research article
04 Apr 2019
Research article | 04 Apr 2019

Spatial and temporal variability of turbulence dissipation rate in complex terrain

Nicola Bodini et al.

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Short summary
To improve the parameterization of the turbulence dissipation rate (ε) in numerical weather prediction models, we have assessed its temporal and spatial variability at various scales in the Columbia River Gorge during the WFIP2 field experiment. The turbulence dissipation rate shows large spatial variability, even at the microscale, with larger values in sites located downwind of complex orographic structures or in wind farm wakes. Distinct diurnal and seasonal cycles in ε have also been found.
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