Name: Mariana Daré Araujo Neves
Type: MSc dissertation
Publication date: 28/07/2017
Advisor:

Namesort descending Role
Daniella do Amaral Mello Bonatto Advisor *

Examining board:

Namesort descending Role
Andréa Coelho Laranja Internal Examiner *
Cynthia Marconsini Loureiro Santos External Examiner *
Daniella do Amaral Mello Bonatto Advisor *

Summary: Damages caused to the natural environment have been intensified throughout the urbanization process. These damages are the result of a scattered population and urban housing growth done without the adequate urban planning needed to guarantee the urban environment’s quality. Reduction of green areas and public spaces, formation of heat islands, constant flooding, loss of quality and quantity of water in the water bodies are some of the problems arising from this context. Given this problem, several researches are directed to the quality of the urban environment, the thermal comfort and the mitigation of bioclimatic problems. Considering that green areas are a predominant factor for climatic variation, this study aimed to evaluate the improvement capacity of the urban microclimate and the thermal comfort by the influence of vegetation roofs and walls, using for the study an area already consolidated and devoid of vegetation, in the Center of Vitória - ES. The research methodology was developed based on the literature about the urban climate, application techniques of vegetated surfaces in Brazil and abroad and simulations in the Envi-met software to assess the influence of these surfaces at the pedestrian level. The simulations considered the climatic variables as temperature, humidity and velocity of the winds for analyzing their effects in the delimited urban configuration. The results showed that the vegetation insertion in the constructed walls decreased to 4.3 ° C in the air temperature and 02 points in the PMV. The insertion of vegetation on the roofs reduced little at the pedestrian level - 0.08 º C and 0.03 points of the PMV - given the buildings studied were high, situation in which green roofs have greater influence on the internal temperature. The simulations demonstrated the efficiency of the green walls in improving the urban microclimate in a consolidated area and that would not have the capacity to receive urban afforestation, being a suitable and possible alternative.
Keywords: Green surfaces. Simulations. Thermal comfort. Urban quality. Envi-met.

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