Articles | Volume 16, issue 21
Research article
02 Nov 2023
Research article |  | 02 Nov 2023

Statistical assessment of a Doppler radar model of TKE dissipation rate for low Richardson numbers

Hubert Luce, Lakshmi Kantha, and Hiroyuki Hashiguchi

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Cited articles

Balsley, B. B., Svensson, G., and Tjernström, M.: On the Scale-dependence of the Gradient Richardson Number in the Residual Layer, Bound.-Lay. Meteorol., 127, 57–72,, 2008. 
Basu, S. and Holtslag, A. A. M.: Turbulent Prandtl number and characteristic length scales in stably stratified floaws: steady-state analytical solutions, Environ. Fluid Mech., 21, 1273–1302,, 2021. 
Basu, S. and Holtslag, A. A. M.: Revisiting and revising Tatarskii’s formulation for the temperature structure parameter CT2 in atmospheric flows, Environ. Fluid Mech., 22, 1107–1119,, 2022. 
Basu, S., He, P., and De Marco, A. W.: Parameterizing the energy dissipation rate in stably stratified flows, Bound.-Lay. Meteorol., 178, 167–184,, 2021. 
Doviak, R. J. and Zrnić, D. S.: Doppler radar and weather observations, Academic Press, San Diego, ISBN 012221420X, 9780122214202, 1984. 
Short summary
The potential ability of clear air radars to measure turbulence kinetic energy (TKE) dissipation rate ε in the atmosphere is a major asset of these instruments because of their continuous measurements. In the present work, we successfully tested the relevance of a model relating ε to the width of the Doppler spectrum peak and wind shear for shear-generated turbulence and we provide a physical interpretation of an empirical model in this context.