Work

Simulation of the Influence of Vegetation on Microclimate and Thermal Comfort in the City of São Paulo

Year: 2019

Type: article

Abstract: The microclimates of a park, a square and a street canyon were measured on a summer day in the city centre of São Paulo, Brazil. The field monitoring showed that the park was up to 2°C cooler than the square and the canyon. The effect of adding shading trees to the street canyon was simulated for the same day using the numerical model ENVI-met. The simulations showed that incorporating street trees in the urban canyon had a limited cooling effect on the air temperature (up to 1.1°C), but led to a significant cooling of the street surface (up to 12°C) as well as a great reduction of the mean radiant temperature at pedestrian height (up to 24°C). Although the trees lowered the wind speed up to 45% of the maximum values, the thermal comfort was improved considerably as the physiologically equivalent temperature (PET) was reduced by up to 12°C.

Source: Revista da Sociedade Brasileira de Arborização Urbana

DOI: 10.5380/revsbau.v3i2.66265

Authors: Jörg Spangenberg, Paula Shinzato, Erik Johansson, Denise Duarte

Institutions: Bauhaus-Universität Weimar, Fundação de Amparo à Pesquisa do Estado de São Paulo, Lund University

Language: English

Topic: Urban Heat Island Mitigation

Subfield: Environmental Engineering

Field: Environmental Science

Domain: Physical Sciences

SDGs: Sustainable cities and communities, Climate action

Open Access status: diamond

Funders: Styrelsen för Internationellt Utvecklingssamarbete, Fundação de Amparo à Pesquisa do Estado de São Paulo, Universidade de São Paulo, Holcim Stiftung zur Förderung der Wissenschaftlichen Fortbildung