Abstract
Vertical gardens emerged with the aim of increasing green areas in large urban centres, thus reducing the negative impacts of this dense urbanization. In general, vertical gardens are able to improve air quality, reduce heat islands, increase biodiversity, among other advantages presented in this work. This study proposes the use of two materials for making panels for vertical gardens. The panels were based on the model developed by the French botanist Patrick Blanc, using “green felt” and “grey cacharel” with each panel measuring 50 x 80 cm and with 24 pockets. These were installed in a residence in the municipality of Ilha Solteira, São Paulo state, Brazil; having with vegetal species Trandescantia zebrina. During January 19 to February 2, 2020, the temperatures of the panels, the wall and the region behind the panels were measured. An average thermal damping of up to 8.71°C was observed; it was concluded that the panels developed were effective for the construction of vertical gardens.
Highlights
Regarding urban population growth in recent years, there have been changes in city scenario
The increase in constructions and buildings led to decrease in green areas in urban centres, causing worsening air quality, increased average temperatures and noise, formation of heat islands, increased soil impermeability, changes in the ecosystem (Ekren, 2017)
Green areas are extremely important in people's lives inside cities, with psychological influence and visual impact being one of the main points
Summary
Regarding urban population growth in recent years, there have been changes in city scenario. The increase in constructions and buildings led to decrease in green areas in urban centres, causing worsening air quality, increased average temperatures and noise, formation of heat islands, increased soil impermeability, changes in the ecosystem (Ekren, 2017). The vegetation present in the cities beneficially affects population health in several aspects: “The greener there is in a region, the lower the risk of mortality from non-accidental causes, especially cancer and respiratory diseases” (Saldiva, 2017). Vertical gardens are emerging as an alternative to reduce the negative impacts of urbanization in large cities. These are elements used in the internal or external walls of buildings, being covered by vegetation through specialized techniques
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