Outdoor Thermal Comfort Optimization through Vegetation Parameterization: Species and Tree Layout
The optimization of outdoor thermal comfort has become the keystone to guarantee the healthy and comfortable use of outdoor spaces. This study aims to optimize the outdoor thermal comfort through vegetation parameterization in a boulevard located in Guelma city, Algeria during summertime. However, t...
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| Veröffentlicht in: | Sustainability 2021-11, Vol.13 (21), p.11791 |
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| creator | Sayad, Bouthaina Alkama, Djamel Rebhi, Redha Menni, Younes Ahmad, Hijaz Inc, Mustafa Sharifpur, Mohsen Lorenzini, Giulio Azab, Ehab Elnaggar, Ashraf Y |
| description | The optimization of outdoor thermal comfort has become the keystone to guarantee the healthy and comfortable use of outdoor spaces. This study aims to optimize the outdoor thermal comfort through vegetation parameterization in a boulevard located in Guelma city, Algeria during summertime. However, two main parameters were investigated, species and tree layout, through a numerical simulation. We first collected microclimate data of a sunny summer day. Second, we used real microclimate data in different simulations using the Envi-met atmospheric model. The findings reveal that Ficus Nitida is the most significant species to intercept solar radiation and provide shade over the day in Souidani Boudjemaa Boulevard, with a maximum reduction of Ta = 0.3 °C and UTCI = 2.6 °C at 13:00 p.m. Tree layout is a determining parameter in the creation of shaded paths, based on the quality of the shadows cast by the trees, namely, their size. Thereby, planting the washingtonia palm trees along the center of the boulevard is the best option to maximize the shaded area within the boulevard, with maximum reduction of Ta = 1.8 °C and UTCI = 3.5 °C at 16:00 p.m. |
| doi_str_mv | 10.3390/su132111791 |
| format | Article |
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This study aims to optimize the outdoor thermal comfort through vegetation parameterization in a boulevard located in Guelma city, Algeria during summertime. However, two main parameters were investigated, species and tree layout, through a numerical simulation. We first collected microclimate data of a sunny summer day. Second, we used real microclimate data in different simulations using the Envi-met atmospheric model. The findings reveal that Ficus Nitida is the most significant species to intercept solar radiation and provide shade over the day in Souidani Boudjemaa Boulevard, with a maximum reduction of Ta = 0.3 °C and UTCI = 2.6 °C at 13:00 p.m. Tree layout is a determining parameter in the creation of shaded paths, based on the quality of the shadows cast by the trees, namely, their size. Thereby, planting the washingtonia palm trees along the center of the boulevard is the best option to maximize the shaded area within the boulevard, with maximum reduction of Ta = 1.8 °C and UTCI = 3.5 °C at 16:00 p.m.</description><identifier>ISSN: 2071-1050</identifier><identifier>EISSN: 2071-1050</identifier><identifier>DOI: 10.3390/su132111791</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Atmospheric models ; Cities ; Climate change ; Heat ; Humidity ; Layouts ; Mathematical models ; Microclimate ; Numerical analysis ; Optimization ; Outdoors ; Parameterization ; Radiation ; Reconciliation ; Simulation ; Simulation methods ; Solar radiation ; Sustainability ; Temperature ; Trees ; Vegetation ; Velocity</subject><ispartof>Sustainability, 2021-11, Vol.13 (21), p.11791</ispartof><rights>COPYRIGHT 2021 MDPI AG</rights><rights>2021 by the authors. Licensee MDPI, Basel, Switzerland. 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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; MDPI - Multidisciplinary Digital Publishing Institute |
| subjects | Atmospheric models Cities Climate change Heat Humidity Layouts Mathematical models Microclimate Numerical analysis Optimization Outdoors Parameterization Radiation Reconciliation Simulation Simulation methods Solar radiation Sustainability Temperature Trees Vegetation Velocity |
| title | Outdoor Thermal Comfort Optimization through Vegetation Parameterization: Species and Tree Layout |
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