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Perception of thermal comfort by users of urban green areas in Lisbon

dc.contributor.authorOliveira, Sandra
dc.contributor.authorVaz, Teresa
dc.contributor.authorAndrade, Henrique
dc.date.accessioned2018-12-03T16:09:30Z
dc.date.available2018-12-03T16:09:30Z
dc.date.issued2014
dc.description.abstractGreen urban areas are a potential touristic attraction, providing opportunities for recreation and social interaction. In this study, two green areas in Lisbon were selected to investigate their influence on the thermal environment in and outside them and to analyse the usage of these parks in view of the perception of thermal comfort, the preferences and personal characteristics of the visitors. Measurements of temperature and relative humidity were carried out for several successive weeks in summer and in winter, in different locations around and inside the green areas. Temperature differences between the green spaces and the surrounding areas were greater in hotter conditions and reached up to 7ºC difference at certain times on particular days. This cooling effect provided by green areas has a potential role in mitigating climate change impacts. In order to analyse the perception of thermal comfort and users’ preferences, face-to-face interviews were carried out simultaneously with measurements of weather parameters. In summer, a positive correlation between the measured values of temperature and relative humidity with people’s perception was observed. A significant association between individual’s characteristics and type of usage of the parks was also revealed, particularly related to age and gender. Understanding the relationship between weather parameters, people’s perception and visitors’ preferences is paramount to create green areas more attractive and beneficial for the urban environment.pt_PT
dc.description.abstractOs espaços verdes melhoram o ambiente urbano e são potenciais atracções turísticas. Investiga-se a influência de dois espaços verdes de Lisboa nas condições térmicas em redor; verifica-se também se a percepção do conforto térmico dos visitantes, as suas preferências e características individuais condicionam o uso desses espaços. Realizaram-se medições de temperatura e humidade relativa, no Verão e no Inverno, e calcularam-se desvios térmicos entre áreas verdes e ruas circundantes. Estes podem atingir 7ºC em determinados dias e horas (maiores diferenças com temperaturas altas). Esta “ilha de frescura” dos espaços verdes tem um papel importante na mitigação dos impactes das alterações climáticas nas cidades. Para analisar a percepção do conforto térmico e preferências dos utilizadores, realizaram-se entrevistas presenciais em simultâneo com medições dos parâmetros meteorológicos. Verificou-se uma correlação positiva entre a percepção dos visitantes e os valores de temperatura e humidade relativa nos meses de Verão e também uma associação significativa entre as características dos indivíduos, particularmente o género, a idade, e o tipo de utilização dos espaços verdes. A investigação da relação entre parâmetros meteorológicos, utilização dos espaços verdes e preferências dos visitantes, é fundamental para criar áreas mais atractivas e benéficas para o ambiente urbano.pt_PT
dc.description.abstractLes espaces verts urbains améliorent l’environnement urbain et constituent des attractions touristiques. On a étudié deux espaces verts à Lisbonne, afin de déterminer leur influence sur les conditions thermiques environnantes et pour analyser l’influence de la perception de confort thermique sur leur usage par des visiteurs de diverses catégories. On a réalisé des mesures de température et d’humidité, en été et en hiver, tant dans les espaces verts qu’autour d’eux. À certaines heures et à certains endroits on a enregistré des différences thermiques allant jusqu’à 7ºC, surtout quand il fait très chaud. L’effet « îlot de fraîcheur » pourrait jouer un rôle important, en cas de sensibles altérations climatiques. Pour analyser l’impression de confort thermique et les préférences des utilisateurs, on a réalisé simultanément des entrevues et des mesures de paramètres météorologiques. Pendant l’été, on constate une corrélation positive entre les valeurs de température et d’humidité et leur perception par les visiteurs, ainsi qu’une association significative entre les caractéristiques individuelles des utilisateurs (sexe et âge) et le type d’usage qu’ils font des espaces verts. Ces connaissances permettront de créer des espaces verts plus attractifs et amélioreront ainsi l’ambiance urbaine.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationOliveira, S., Vaz, T., Andrade, H. (2014). Perception of thermal comfort by users of urban green areas in Lisbon. Finisterra, 49(98), 113–131. https://doi.org/10.18055/Finis6464pt_PT
dc.identifier.doi10.18055/Finis6464pt_PT
dc.identifier.issn0430-5027
dc.identifier.issn2182-2905
dc.identifier.urihttp://hdl.handle.net/10451/35572
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherUniversidade de Lisboa, Centro de Estudos Geográficospt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectUrban green areaspt_PT
dc.subjectPark cool islandpt_PT
dc.subjectPerceptionpt_PT
dc.subjectThermal comfortpt_PT
dc.subjectTourismpt_PT
dc.subjectLisbonpt_PT
dc.titlePerception of thermal comfort by users of urban green areas in Lisbonpt_PT
dc.title.alternativePercepção do conforto térmico pelos utilizadores de espaços verdes de Lisboapt_PT
dc.title.alternativePerception du confort thermique par les usagers des espaces verts de Lisbonnept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.conferencePlaceLisboapt_PT
oaire.citation.endPage131pt_PT
oaire.citation.issue98pt_PT
oaire.citation.startPage113pt_PT
oaire.citation.titleFinisterrapt_PT
oaire.citation.volume49pt_PT
person.familyNameOliveira
person.familyNameVaz
person.givenNameSandra
person.givenNameTeresa
person.identifier.ciencia-id8A16-4976-FD63
person.identifier.orcid0000-0002-6253-4353
person.identifier.orcid0000-0001-7050-6160
person.identifier.ridAAK-5051-2020
person.identifier.ridB-8239-2016
person.identifier.scopus-author-id17435272900
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationd30eb4c5-8ef1-426b-8e80-baa646b30f0e
relation.isAuthorOfPublicationf54900ef-26dd-4a6d-af6a-73f7ce426754
relation.isAuthorOfPublication.latestForDiscoveryd30eb4c5-8ef1-426b-8e80-baa646b30f0e

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