Articles | Volume 17
https://doi.org/10.5194/asr-17-53-2020
https://doi.org/10.5194/asr-17-53-2020
12 Jun 2020
 | 12 Jun 2020

Numerical modelling of the wind over forests: roughness versus canopy drag

Andrey Sogachev, Dalibor Cavar, Mark Kelly, Ebba Dellwik, Tobias Klaas, and Paul Kühn

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Latest update: 28 Mar 2024
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Short summary
Recently an objective method was suggested to translate realistic vegetation characteristics into spatially varying values of effective roughness. This parameter allows prediction of wind flow over vegetation using models, without incorporating local drag forces in each grid volume of a three-dimensional model domain. Results of the flow simulations over different forested sites show that an approach based on a roughness representation of forest is appropriate only for the flat terrain.