Studies of vegetation effect on turbulence dynamics in an urban canopy layer using large eddy simulationстатьяИсследовательская статья
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Дата последнего поиска статьи во внешних источниках: 23 января 2026 г.
Аннотация:Using large eddy simulations (LES), we investigated the flow dynamics in the vegetated urban canopy layer (UCL). A LES model was used in which large objects (buildings) were explicitly specified as solid walls and vegetation (trees) was modeled by introducing additional volumetric drag in momentum equations. Simplified urban canopy geometries with relatively low plan area density were used. We analyzed influence of the foliage drag on the form drag from the buildings, the turbulent length scales and the kinetic energy balances. A new approach for calculating form drag in the presence of vegetation in UCL is proposed.