Assessing urban effects on the climate of metropolitan regions of Brazil - preliminary results of the MCITY BRAZIL project

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dc.creatorAmauri Pereira de Oliveira
dc.creatorEdson Pereira Marques Filho
dc.creatorMaurício Jonas Ferreira
dc.creatorGeorgia Codato
dc.creatorFlávia Noronha Dutra Ribeiro
dc.creatorEduardo Landulfo
dc.creatorGregori de Arruda Moreira
dc.creatorMaxsuel Marcos Rocha Pereira
dc.creatorPrimoz Mlakar
dc.creatorMarija Zlata Boznar
dc.creatorEleonora Sad de Assis
dc.creatorDaniele Gomes Ferreira
dc.creatorMariana Cassol
dc.creatorJoão Francisco Escobedo
dc.creatorAlexandre Dal Pai
dc.creatorJosé Ricardo de Almeida França
dc.creatorDemilson Assis Quintão
dc.creatorFlavia Dias Rabelo
dc.creatorLuana Antunes Tolentino Souza
dc.creatorWallace Pereira da Silva
dc.creatorLeonardo Moreno Domingues
dc.creatorMaciel Piñero Sánchez
dc.creatorLucas Cardoso da Silveira
dc.creatorJanet Valdes Vito
dc.date.accessioned2023-03-22T20:45:54Z
dc.date.accessioned2025-09-09T00:32:22Z
dc.date.available2023-03-22T20:45:54Z
dc.date.issued2020
dc.format.mimetypepdf
dc.identifier.urihttps://hdl.handle.net/1843/51147
dc.languagepor
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofExploratory Environmental Science Research
dc.rightsAcesso Aberto
dc.subjectClimatologia
dc.subjectSustentabilidade e meio ambiente
dc.subject.otherClima Urbano
dc.subject.otherBalanço de energia urbano
dc.subject.otherBalanço de radiação de superfície
dc.subject.otherIlha de Calor Urbana
dc.subject.otherRegião Metropolitana de São Paulo
dc.subject.otherRegião Metropolitana do Rio de Janeiro
dc.titleAssessing urban effects on the climate of metropolitan regions of Brazil - preliminary results of the MCITY BRAZIL project
dc.typeArtigo de periódico
local.citation.epage77
local.citation.issue1
local.citation.spage38
local.citation.volume1
local.description.resumoThis work describes the MCITY BRAZIL Project. The project designed to assess urban effects on the climate of the major Brazilian cities and to systematize this procedure of investigation so it can be extended to other urban areas in Brazil. In this article, the implementations in the Metropolitan Regions of São Paulo and Rio de Janeiro are presented. A preliminary description of the surface radiation balance, surface energy balance, surface wind pattern, urban heat island and urban boundary layers are discussed by considering the surface observations carried out in the MCITY BRAZIL project from 2013 to 2014 in four micrometeorological towers in these two metropolitan regions. Despite nearly identical inputs of solar radiation at the top of the atmosphere, differences in the atmospheric attenuation and emissions, and in the surface albedo and emissions resulted in significant differences in surface radiation balance components between metropolitan regions and within each urban area. The diurnal evolution of the surface energy balance, friction velocity and carbon dioxide vertical fluxes observed during the field campaigns indicate important seasonal and spatial variations associated with the land use in both urban regions. Surface wind analyses for both metropolitan regions display similar seasonal and diurnal patterns as a result of the combination of large-scale systems and sea-breeze circulation present in both regions and modulated by topography. The urban heat island in São Paulo is greater than that in Rio de Janeiro as a result of different combinations of maritime and solar heating effects. The diurnal evolution of the urban boundary layer height and surface inversion layer top estimated simultaneously by rawinsonde and Lidar displays good agreement in both metropolitan regions. In São Paulo, daytime urban boundary layer height responds to the sensible heat flux at the surface. In Rio de Janeiro, despite of equivalent sensible heat flux, urban boundary layer is smaller due to the internal maritime boundary layer effects.
local.publisher.countryBrasil
local.publisher.departmentARQ - ESCOLA DE ARQUITETURA
local.publisher.initialsUFMG
local.url.externahttps://kemfo.org/index.php?option=com_content&view=article&id=54:eesr-v11-2020-fulltext-4&catid=17:eesr-vol1issue1-2020&Itemid=233#

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