Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 17, issue 12
Articles | Volume 17, issue 12
https://doi.org/10.5194/gmd-17-5041-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-17-5041-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 12
Development and technical paper
 | 
27 Jun 2024
Development and technical paper |  | 27 Jun 2024

Representing effects of surface heterogeneity in a multi-plume eddy diffusivity mass flux boundary layer parameterization

Nathan P. Arnold

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Latest update: 23 Apr 2025
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Short summary
Earth system models often represent the land surface at smaller scales than the atmosphere, but surface–atmosphere coupling uses only aggregated surface properties. This study presents a method to allow heterogeneous surface properties to modify boundary layer updrafts. The method is tested in single column experiments. Updraft properties are found to reasonably covary with surface conditions, and simulated boundary layer variability is enhanced over more heterogeneous land surfaces.
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