Mobile measurements of microclimatic variables through the central area of Singapore: An analysis from the pedestrian perspective

High-density cities, such as Singapore, are currently facing the urban heat island (UHI) effect, a phenomenon that leads to higher air and surface temperatures within the urban area in comparison to the surroundings and is one of the most critical anthropogenic climate change-related environmental i...

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Autores: Chàfer, Marta, Tan, Chun Liang, Cureau, Roberta Jacoby, Wong, Nyuk Hien, Pisello, Anna Laura, Cabeza, Luisa F.
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2022
País:España
Institución:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:10459.1/83530
Acceso en línea:https://doi.org/10.1016/j.scs.2022.103986
http://hdl.handle.net/10459.1/83530
Access Level:acceso abierto
Palabra clave:Microclimate
Outdoor thermal comfort
Urban heat island
Greenery
Transect
Sky view factor
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spelling Mobile measurements of microclimatic variables through the central area of Singapore: An analysis from the pedestrian perspectiveChàfer, MartaTan, Chun LiangCureau, Roberta JacobyWong, Nyuk HienPisello, Anna LauraCabeza, Luisa F.MicroclimateOutdoor thermal comfortUrban heat islandGreeneryTransectSky view factorHigh-density cities, such as Singapore, are currently facing the urban heat island (UHI) effect, a phenomenon that leads to higher air and surface temperatures within the urban area in comparison to the surroundings and is one of the most critical anthropogenic climate change-related environmental issues for contemporary high-density cities. This study aims to investigate the effect of different urban morphologies such as high-rise and low-rise buildings, green areas, and water bodies on the urban microclimate in Singapore. Mobile measurements taken from a pedestrian perspective were conducted for the first time in the central area of Singapore to explore the severity of the UHI effect through distinctive urban morphologies. The Sky View Factor (SVF) was the metric used to quantify these characteristics. During daytime, the air temperature was higher when SVF increased, except for the water body area. Shading showed to be an important factor to decreasing air temperature in the tropics. Reductions by up to 4.5 ºC were observed due to the buildings shading during daytime, while the cooling effect of vegetation reduced the air temperature by up to 4 ºC during the daytime and 1 ºC at night-time. Thus, this study revealed a strong relationship between the decrease in air temperature and greenery coverage in the city. Therefore, understanding the relationship between urban morphology and microclimate conditions may better drive sustainable urban planning and development in the tropics. Finally, it was demonstrated the importance of using mobile monitoring to retrieve granular data that allows identifying specific environmental issues on a hyperlocal scale, which would not be recognised through other monitoring techniques.This work was partially funded by the Ministerio de Ciencia, Innovación y Universidades de España (RTI2018-093849-B-C31 - MCIU/AEI/FEDER, UE) and by the Ministerio de Ciencia, Innovación y Universidades - Agencia Estatal de Investigación (AEI) (RED2018-102431-T). The authors would like to thank the Catalan Government for the quality accreditation given to their research group (2017 SGR 1537). GREiA is certified agent TECNIO in the category of technology developers from the Government of Catalonia. This work is partially supported by ICREA under the ICREA Academia programme.Elsevier202220222022info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://doi.org/10.1016/j.scs.2022.103986http://hdl.handle.net/10459.1/83530http://hdl.handle.net/10459.1/83530reponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)Inglésinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-093849-B-C31Reproducció del document publicat a https://doi.org/10.1016/j.scs.2022.103986Sustainable Cities And Society, 2022, vol. 83, p. 103986-1-103986-15cc-by (c) Chafer et al., 2022info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0/oai:recercat.cat:10459.1/835302026-05-29T05:05:01Z
dc.title.none.fl_str_mv Mobile measurements of microclimatic variables through the central area of Singapore: An analysis from the pedestrian perspective
title Mobile measurements of microclimatic variables through the central area of Singapore: An analysis from the pedestrian perspective
spellingShingle Mobile measurements of microclimatic variables through the central area of Singapore: An analysis from the pedestrian perspective
Chàfer, Marta
Microclimate
Outdoor thermal comfort
Urban heat island
Greenery
Transect
Sky view factor
title_short Mobile measurements of microclimatic variables through the central area of Singapore: An analysis from the pedestrian perspective
title_full Mobile measurements of microclimatic variables through the central area of Singapore: An analysis from the pedestrian perspective
title_fullStr Mobile measurements of microclimatic variables through the central area of Singapore: An analysis from the pedestrian perspective
title_full_unstemmed Mobile measurements of microclimatic variables through the central area of Singapore: An analysis from the pedestrian perspective
title_sort Mobile measurements of microclimatic variables through the central area of Singapore: An analysis from the pedestrian perspective
dc.creator.none.fl_str_mv Chàfer, Marta
Tan, Chun Liang
Cureau, Roberta Jacoby
Wong, Nyuk Hien
Pisello, Anna Laura
Cabeza, Luisa F.
author Chàfer, Marta
author_facet Chàfer, Marta
Tan, Chun Liang
Cureau, Roberta Jacoby
Wong, Nyuk Hien
Pisello, Anna Laura
Cabeza, Luisa F.
author_role author
author2 Tan, Chun Liang
Cureau, Roberta Jacoby
Wong, Nyuk Hien
Pisello, Anna Laura
Cabeza, Luisa F.
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv Microclimate
Outdoor thermal comfort
Urban heat island
Greenery
Transect
Sky view factor
topic Microclimate
Outdoor thermal comfort
Urban heat island
Greenery
Transect
Sky view factor
description High-density cities, such as Singapore, are currently facing the urban heat island (UHI) effect, a phenomenon that leads to higher air and surface temperatures within the urban area in comparison to the surroundings and is one of the most critical anthropogenic climate change-related environmental issues for contemporary high-density cities. This study aims to investigate the effect of different urban morphologies such as high-rise and low-rise buildings, green areas, and water bodies on the urban microclimate in Singapore. Mobile measurements taken from a pedestrian perspective were conducted for the first time in the central area of Singapore to explore the severity of the UHI effect through distinctive urban morphologies. The Sky View Factor (SVF) was the metric used to quantify these characteristics. During daytime, the air temperature was higher when SVF increased, except for the water body area. Shading showed to be an important factor to decreasing air temperature in the tropics. Reductions by up to 4.5 ºC were observed due to the buildings shading during daytime, while the cooling effect of vegetation reduced the air temperature by up to 4 ºC during the daytime and 1 ºC at night-time. Thus, this study revealed a strong relationship between the decrease in air temperature and greenery coverage in the city. Therefore, understanding the relationship between urban morphology and microclimate conditions may better drive sustainable urban planning and development in the tropics. Finally, it was demonstrated the importance of using mobile monitoring to retrieve granular data that allows identifying specific environmental issues on a hyperlocal scale, which would not be recognised through other monitoring techniques.
publishDate 2022
dc.date.none.fl_str_mv 2022
2022
2022
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://doi.org/10.1016/j.scs.2022.103986
http://hdl.handle.net/10459.1/83530
http://hdl.handle.net/10459.1/83530
url https://doi.org/10.1016/j.scs.2022.103986
http://hdl.handle.net/10459.1/83530
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-093849-B-C31
Reproducció del document publicat a https://doi.org/10.1016/j.scs.2022.103986
Sustainable Cities And Society, 2022, vol. 83, p. 103986-1-103986-15
dc.rights.none.fl_str_mv cc-by (c) Chafer et al., 2022
info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by/4.0/
rights_invalid_str_mv cc-by (c) Chafer et al., 2022
http://creativecommons.org/licenses/by/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:Recercat. Dipósit de la Recerca de Catalunya
instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
instname_str Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
reponame_str Recercat. Dipósit de la Recerca de Catalunya
collection Recercat. Dipósit de la Recerca de Catalunya
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