Articles | Volume 17, issue 7
https://doi.org/10.5194/gmd-17-2525-2024
https://doi.org/10.5194/gmd-17-2525-2024
Model description paper
 | 
05 Apr 2024
Model description paper |  | 05 Apr 2024

A one-dimensional urban flow model with an eddy-diffusivity mass-flux (EDMF) scheme and refined turbulent transport (MLUCM v3.0)

Jiachen Lu, Negin Nazarian, Melissa Anne Hart, E. Scott Krayenhoff, and Alberto Martilli

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Latest update: 13 Jun 2024
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Short summary
This study enhances urban canopy models by refining key assumptions. Simulations for various urban scenarios indicate discrepancies in turbulent transport efficiency for flow properties. We propose two modifications that involve characterizing diffusion coefficients for momentum and turbulent kinetic energy separately and introducing a physics-based mass-flux term. These adjustments enhance the model's performance, offering more reliable temperature and surface flux estimates.