Influence of changing trees locations on thermal comfort on street parking lot and footways

Milošević, Dragan; Bajšanski, Ivana; Savić, Stevan

doi:10.1016/j.ufug.2017.03.011

Cited by 80 publications

(40 citation statements)

References 34 publications

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“…As resulting from the STCD analysis, the orientation appears to be have an important influence on thermal comfort, which comfirms the observation of many other studies [68][69][70][71][72]. The east-west oriented 30…”

Section: Summary and Discussionsupporting

confidence: 86%

“…The scenarios models did not fully consider all combinations of the targeted values of the variables to analyze all possible thermal comfort outcomes. Even though more combinations are possible with automatic algorithms developed for evaluating and simulating the improvement of outdoor comfort, still, on the one hand, the effect of building geometry and human body location are analyzed without tree as input variable [29] and on the other hand, tree location is analyzed on street and parking lots without street configuration as variable [30]. Many of the works mentioned in the previous paragraph showed at least that the effect of trees can vary in different cases of street orientation or aspect ratio.…”

Section: Introductionmentioning

confidence: 99%

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Combination of Tree Configuration with Street Configuration for Thermal Comfort Optimization under Extreme Summer Conditions in the Urban Center of Shantou City, China

et al. 2018

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Along with global climate change and the worldwide heat island phenomenon, developing climatic methods and planning practices for the benefit of thermal comfort is of increasing interest. Studies have focused on urban streets, studying the aspect ratio, the orientation, street vegetation patterns, etc. and how they affect thermal comfort. While the role of vegetation is undeniable, this paper asks the question whether the effects of a tree configuration does not vary under different street configurations, and if yes, how to select tree species and determine their appropriate layout. Here, an analytical framework is proposed to test the different tree configurations (changing one variable at a time) with the least favorable street configuration. It is confirmed that the east-west oriented streets are the least favorable cases and denser tree canopies are better for cooling. The interval between the trees are observed to have an optimal effect when it is equal to the crown width at maturity. Furthermore, the results show that the heat mitigation rate of a tree configuration is not linearly improved by the Aspect Ratio (AR). In the case of Shantou city, the improvement of thermal comfort slows down when the AR reaches 1.5 while Mangifera indica planted with 10 m intervals is recommended among the common street-tree species. Other species could be used also, but should meet the requirements of the canopy density and the interval of layout. The paper does not consider other configuration options such as asymmetrical cases of street geometry and one-side or axial tree planting, etc., but the framework allows for adding such options and simulating thermal comfort for a greater number of scenarios.

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Section: Summary and Discussionsupporting

confidence: 86%

Section: Introductionmentioning

confidence: 99%

Combination of Tree Configuration with Street Configuration for Thermal Comfort Optimization under Extreme Summer Conditions in the Urban Center of Shantou City, China

et al. 2018

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“…On the other hand, the day-time outdoor human comfort is generally improved by shading when trees are introduced. The investigation of such effects are important but are beyond the scope of this sensitivity study (Milošević et al, 2017;Di Napoli et al, 2018).…”

Section: Discussionmentioning

confidence: 99%

Climate sensitivity to land use changes over the city of Brussels

Cugnon¹,

Caluwaerts²,

Duchêne³

et al. 2019

Geographica Pannonica

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Prompted with the ongoing and projected climate change, a wide range of cities have committed, not only to mitigate greenhouse gas emissions but also to implement different climate change adaptation measures. These measures serve to ensure the wellbeing of the urban population. In practice, however, the planning of realistic adaptation measures is a complex process. Prior to starting such endeavor, it may therefore be useful to explore the maximum potential benefit that can be gained through adaptation measures. In this work, simple, extreme yet realistic adaptation measures are proposed in terms of changes in albedo and vegetation fraction. The impact of these land-use scenarios is explored by use of the land surface model SURFEX on the summer climate in terms of heat waves and the urban heat island for the city of Brussels. This is done for different periods in the future using the greenhouse gas scenario RCP8.5.

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“…), which affect urban microclimate [38]. Milošević et al also developed a procedure for changing tree locations to improve outdoor thermal comfort in street parking lots and address the importance of the location of trees, as well as the crown shapes [39].Parameterized design has been widely applied, and the design has gradually evolved into the automatic optimization of urban forms based on the platform of computer optimization algorithms.…”

mentioning

confidence: 99%

mentioning

confidence: 99%

Revealing Urban Morphology and Outdoor Comfort through Genetic Algorithm-Driven Urban Block Design in Dry and Hot Regions of China

Yin²,

Wang

et al. 2019

Sustainability

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In areas with a dry and hot climate, factors such as strong solar radiation, high temperature, low humidity, dazzling light, and dust storms can tremendously reduce people’s thermal comfort. Therefore, researchers are paying more attention to outdoor thermal comfort in urban environments as part of urban design. This study proposed an automatic workflow to optimize urban spatial forms with the aim of improvement of outdoor thermal comfort conditions, characterized by the universal thermal climate index (UTCI). A city with a dry and hot climate—Kashgar, China—is further selected as an actual case study of an urban block and Rhino & Grasshopper is the platform used to conduct simulation and optimization process with the genetic algorithm. Results showed that in summer, the proposed method can reduce the averaged UTCI from 31.17 to 27.43 °C, a decrease of about 3.74 °C, and reduce mean radiation temperature (MRT) from 43.94 to 41.29 °C, a decrease of about 2.65 °C.

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Influence of changing trees locations on thermal comfort on street parking lot and footways

Cited by 80 publications

References 34 publications

Combination of Tree Configuration with Street Configuration for Thermal Comfort Optimization under Extreme Summer Conditions in the Urban Center of Shantou City, China

Combination of Tree Configuration with Street Configuration for Thermal Comfort Optimization under Extreme Summer Conditions in the Urban Center of Shantou City, China

Climate sensitivity to land use changes over the city of Brussels

Revealing Urban Morphology and Outdoor Comfort through Genetic Algorithm-Driven Urban Block Design in Dry and Hot Regions of China

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