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Intraurban Temperature Variations: Urban Morphologies of the Densification Process of Copacabana Neighborhood, Brazil

1
Urban Engineering Program (PEU), Department of Graphic Expression (DEG), Polytechnic School (POLI), Federal University of Rio de Janeiro, Rio de Janeiro 21941-909, Brazil
2
Department of Architecture and Urbanism (DAU)/Escola Superior de Desenho Industrial (ESDI), University of Rio de Janeiro State, Petrópolis 25610-150, Brazil
3
Urbanism Program (PROURB), Federal University of Rio de Janeiro, Rio de Janeiro 21941-485, Brazil
*
Author to whom correspondence should be addressed.
Climate 2019, 7(5), 65; https://doi.org/10.3390/cli7050065
Received: 8 March 2019 / Revised: 25 April 2019 / Accepted: 30 April 2019 / Published: 6 May 2019
(This article belongs to the Special Issue Urban Heat Islands)
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Abstract

The idea of compact cities is attracting enthusiasts, and some have proposed sustainable options for its implementation. This concept is based on planning for higher density cities with efficient connectivity in their structures. Because climatic characteristics are one of the basic factors to consider when planning a town, the models imported from different climates of Brazil must be intensely scrutinized and analyzed for their adequacy and effectiveness. Previous studies have revealed the inadequacy of the compact city model for tropical countries. In this study, the Copacabana neighborhood in Rio de Janeiro, a city that is currently compact, was assessed using computational tools (ENVI-met) to observe the intraurban temperature dynamics and sky view factor (SVF) alterations at three time-points’ unit occupation history: 1930, 1950, and 2018. To determine the effects of morphological changes on thermal sensation, two outdoor comfort indexes were calculated: the physiological equivalent temperature (PET) and the universal thermal climate (UTCI). From the obtained results, the relationship between urban morphology, air temperature, and thermal comfort indicates that the debate about urban models will be heightened, particularly with regard to the concept of compact cities in the formation of new cities and neighborhoods in the tropics. View Full-Text
Keywords: urban morphology; intraurban temperature; urban heat islands; densification process; tropical city urban morphology; intraurban temperature; urban heat islands; densification process; tropical city
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Barbosa, G.S.; Drach, P.R.C.; Corbella, O.D. Intraurban Temperature Variations: Urban Morphologies of the Densification Process of Copacabana Neighborhood, Brazil. Climate 2019, 7, 65.

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