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High-Fidelity Simulation of the Effects of Street Trees, Green Roofs and Green Walls on the Distribution of Thermal Exposure in Prague-Dejvice

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985807%3A_____%2F22%3A00560798" target="_blank" >RIV/67985807:_____/22:00560798 - isvavai.cz</a>

  • Alternative codes found

    RIV/61989592:15310/22:73615653

  • Result on the web

    <a href="https://dx.doi.org/10.1016/j.buildenv.2022.109484" target="_blank" >https://dx.doi.org/10.1016/j.buildenv.2022.109484</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.buildenv.2022.109484" target="_blank" >10.1016/j.buildenv.2022.109484</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    High-Fidelity Simulation of the Effects of Street Trees, Green Roofs and Green Walls on the Distribution of Thermal Exposure in Prague-Dejvice

  • Original language description

    We investigate the heat stress mitigation potential of greening strategies in Prague using a configuration of the PALM-4U model that has been rigorously evaluated with measurements. Three greening scenarios were evaluated using the Universal Thermal Climate Index (UTCI). The UTCI reduction effect of broad-leaf or coniferous trees in a complex urban environment was found to be strongly local, with minor domain-average UTCI reductions. −4.1K under tree crowns and −0.6K on average in the neighbourhood as a day-time average, peaking at about twice these values near midday. During daytime the UTCI reduction potential of trees increases with the intensity and duration of solar exposure. −15.1K is the spatial maximum across all scenarios. For trees fully shaded by buildings, UTCI reduction was low (−0.5K as maximum). Tree planting reduces air temperature by more than 5K in some locations under trees, and reduces neighbourhood-average air temperature by up to 0.3K, with cooling peaking in the early evening about 8 h after the corresponding peak in UTCI reduction. Results emphasize the highly localized microclimate effects of trees for pedestrian thermal exposure reduction. The combination of green walls and roofs yielded negligible results in terms of UTCI reduction and only small air temperature effects.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10509 - Meteorology and atmospheric sciences

Result continuities

  • Project

    <a href="/en/project/TO01000219" target="_blank" >TO01000219: Turbulent-resolving urban modeling of air quality and thermal comfort</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2022

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Building and Environment

  • ISSN

    0360-1323

  • e-ISSN

    1873-684X

  • Volume of the periodical

    223

  • Issue of the periodical within the volume

    September 2022

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    18

  • Pages from-to

    109484

  • UT code for WoS article

    000855235600001

  • EID of the result in the Scopus database

    2-s2.0-85136695377