Made available in DSpace on 2014-12-17T13:57:17Z (GMT). No. of bitstreams: 1 AngelinaDLC_ate_cap4.pdf: 1799769 bytes, checksum: 9759bc5a57f38b8075aa467bae6e7d0c (MD5) Previous issue date: 2003-07-07 / Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico / This study was intended to investigate how the urban form has been influencing the changes in the climate of the city and make a correlation between the climate and the thermal sensation of the users of open spaces. The research was developed in the district of Petr?polis in Natal/ RN whose occupation has been almost consolidated. Among other reasons, this district was selected because it was planned considering the environmental aspects of comfort. The methodologies used are based on KATZSCHNER (1997) and OLIVEIRA (1988) studies, which suggest the drawing and analysis of maps of the area under study, including topography, height of the buildings, land use, green areas, and types of soil pavement, as well as measurement of the environmental variables: air temperature, relative humidity, direction and wind speed for a comparative study. As part of this, study local users of the district were interviewed about their thermal sensations in open spaces. For the statistical analysis, data was collected at 10 distinct points characterized by BUSTOS ROMERO (2002), being 8 within the district and 2 at different places (outside the district), at climatologic stations, in 3 periods (August/2000, January/2002 and June/2002), for 4 consecutive days for each measurement (from Sunday to Wednesday) at the time of lower and higher temperatures in the city, 6:00 am and 1:00 pm, respectively. At the same time interviews were carried out with users of the open spaces in the area, totaling 171 valid formularies. The urban form showed a rather leveled topography, great diversity of land use and height of the buildings, with the existence of an area mostly occupied with high buildings, very little green area and soil practically impermeable. The statistical analysis showed high temperature and humidity levels. The wind direction is predominantly Southeast with extremely variable speeds. When the data from this district is compared with the data from other areas in the city and its outskirt, it was observed that this district is hotter and less ventilated than the others; besides, most users said that they felt uncomfortable in the local environmental conditions. The results of the analysis generated a zoning for the district with recommendations for soil occupation. The profile of the user was defined regarding the thermal comfort, as well as some discussion about the comfort parameters, including the proposal of limiting areas of temperature and humidity for the thermal comfort in the open spaces / Este estudo pretendeu investigar a maneira como a forma urbana vem influenciando as altera??es no clima da cidade e correlacion?-la com a sensa??o t?rmica do usu?rio do ambiente externo. A pesquisa ambientou-se no bairro de Petr?polis em Natal/ RN, que tem sua ocupa??o em parte consolidada e foi escolhido, dentre outras raz?es, por ter sido planejado levando-se em considera??o aspectos ambientais de conforto. As metodologias adotadas baseiam-se nos estudos de KATZSCHNER (1997) e OLIVEIRA (1988) que sugerem a elabora??o e an?lise de mapas da ?rea de estudo como topografia, altura das edifica??es, uso do solo, ?reas verdes e tipo de recobrimento do solo, aliados ? medi??o de vari?veis ambientais: temperatura do ar e umidade relativa, a velocidade e a dire??o dos ventos, para compara??o; al?m de entrevistas sobre a sensa??o t?rmica dos usu?rios do ambiente externo. Para a an?lise estat?stica foram levantados dados em 10 pontos distintos, caracterizados segundo m?todo proposto por BUSTOS ROMERO (2002), sendo 08 dentro do bairro e 02 fora dele, em esta??es meteorol?gicas, durante 03 per?odos (agosto/ 2000, janeiro/ 2002 e junho/ 2002), por 04 dias seguidos em cada per?odo (de domingo a quarta-feira), nos hor?rios de menor e maior temperatura para a cidade, 06h e 13h respectivamente. Simultaneamente, foram realizadas entrevistas com os usu?rios do ambiente externo do bairro, totalizando 171 formul?rios v?lidos. A forma urbana encontrada apresentou topografia pouco acidentada, grande diversidade de uso do solo e de altura das edifica??es com exist?ncia de n?cleo verticalizado, muito pouca ?rea verde e terreno praticamente imperme?vel. A an?lise estat?stica evidenciou altas temperaturas e umidades, e dire??o predominante dos ventos Sudeste, com velocidade bastante vari?vel. Quando comparados aos dados de outras ?reas da cidade e arredores, verifica-se que o bairro ? mais quente e menos ventilado; al?m disso, a maioria dos usu?rios sentiu-se desconfort?vel com as condi??es ambientais locais. Os resultados das an?lises possibilitaram um zoneamento para o bairro aliado a diretrizes para ocupa??o do solo; foi tamb?m tra?ado o perfil do usu?rio em conforto t?rmico e, levantadas algumas discuss?es acerca de par?metros de conforto, inclusive com a proposi??o de faixas limites de temperatura e umidade relativa do ar para o conforto t?rmico no ambiente externo