Assessment of the influence of various tree species and their parameters on the behaviour of wind flows in urban environments (on the example of the RUDN University campus, Moscow)

Bukin, S.S.; Fadeeva, I.A.; Yaroslavtsev, A.M.; Konstantinov, P.I.; Vasenev, V.I.; Valentini, R.

Авторы: Bukin S.S., Fadeeva I.A., Yaroslavtsev A.M., Konstantinov P.I., Vasenev V.I., Valentini R.
Журнал: IOP Conference Series: Earth and Environmental Science
Том: 611
Год издания: 2020
Издательство: IOP Publishing
Местоположение издательства: [Bristol, UK], England
DOI: 10.1088/1755-1315/611/1/012018
Аннотация: Urban environments are constantly growing, as a result of which natural surfacecovers are replaced by artificial materials. These changes have a strong impact on the windfields in these urban environments, changing speeds and directions of wind flows. The aim ofthis study is to assess the effects of various tree parameters on the behaviour of wind flows inan urban environment. The EnviMet software package is used to model wind fields. The studyis conducted in the city of Moscow on the RUDN University campus. Ten different kinds oftrees are identified with characteristics such as tree height, crown width, trunk height, and theLAD (Leaf Area Density) index. For these species, a similar analysis is carried out to assesstheir impact on the wind field. The height of the trunk has a significant effect on the wind fieldat the pedestrian level; depending on the parameter, the wind speed and the area of wind gustsincrease. Large crowns create a protective barrier, reducing wind activity. At the same time, ahigh LAD index creates low wind permeability, as a result of which the wind flows arerefracted, and dangerous zones arise. On the other hand, a high LAD index reduces the area ofwind gusts.
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Assessment of the influence of various tree species and their parameters on the behaviour of wind flows in urban environments (on the example of the RUDN University campus, Moscow)статья

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