Articles | Volume 13, issue 3
Geosci. Model Dev., 13, 937–953, 2020
https://doi.org/10.5194/gmd-13-937-2020
Geosci. Model Dev., 13, 937–953, 2020
https://doi.org/10.5194/gmd-13-937-2020

Model description paper 06 Mar 2020

Model description paper | 06 Mar 2020

A one-dimensional model of turbulent flow through “urban” canopies (MLUCM v2.0): updates based on large-eddy simulation

Negin Nazarian et al.

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AR by Negin Nazarian on behalf of the Authors (12 Jan 2020)  Author's response
ED: Publish as is (27 Jan 2020) by Augustin Colette
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Short summary
We present an update to the Multi-Layer Urban Canopy Model by revisiting the parameterization of length scales based on high-resolution and validated large-eddy simulations. Additionally, the inclusion of dispersive fluxes in the parameterization schemes are also discussed. The results demonstrate that updated parameterizations improve the accuracy of the vertical exchange of momentum in the street canyon.