Abstract
ABSTRACT The main goal of this study was to determine the radius and intensity of the influence that different urban forest typologies exert on their surroundings. Thus, three distinct areas were selected for each type of urban forest: Remaining Forest, Old Green Area, Modern Green Area, Street Trees and Isolated Trees. The influence of these typologies on the surrounding microclimate was determined by mobile transects, collecting data every 50 m from a total route of 500 m in an adjacent street. In general, the influence radius of the urban forest on its surroundings was 200 m, while the Remaining Forest typology reached 250 m. On average, the influence intensity of urban forest at a distance of 50 m was 0.66oC, at 100 m it was 0.45oC, at 150 m it was 0.34oC, and at 200 m it was 0.30oC, but each typology varied. All microclimate results were more pronounced in summer. We concluded that the urban forest exerts a significant climatic influence on its surroundings, regardless of the typology.
Highlights
Lack of vegetation is a major contributor to climate change in urban centers, and considering that plants provide regulatory and climate-enhancing properties, they are a key feature to ensure an ideal urban climate (Abreu, 2008)
In order to carry out this study, areas that represented the most frequent urban forest typologies in the city were selected: Remaining Forest, Old Green Area, Modern Green Area, Street Trees, Isolated Trees
In the analysis performed to determine the influence distance that the different urban forest typologies exert, it was found that the distance varies according to typology (Figure 2)
Summary
Lack of vegetation is a major contributor to climate change in urban centers, and considering that plants provide regulatory and climate-enhancing properties, they are a key feature to ensure an ideal urban climate (Abreu, 2008) For this reason, several cities around the world are seeking to increase green areas or vegetation cover as a way to manage urban heat, while improving beauty, biodiversity and recreational value (Adams & Smith, 2014). Several cities around the world are seeking to increase green areas or vegetation cover as a way to manage urban heat, while improving beauty, biodiversity and recreational value (Adams & Smith, 2014) Linked to this issue, global climate change has imposed new challenges and an extra reason to optimize planning and management of urban green areas (Jim et al, 2015). Small, scattered green masses can play an important role in mitigating urban climates and their ecological, regional and global behavior (Nascimento & Oliveira, 2011)
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