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Urban forests mitigate extreme heat exposure in a vulnerable tropical city

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dc.creatorQuesada, Benjamín Raphaelspa
dc.creatorClerici, Nicolaspa
dc.creatorEscobedo, Francisco Jspa
dc.creatorGiraldo-Charria, Diana Luciaspa
dc.date.accessioned2025-07-21T16:57:25Z
dc.date.available2025-07-21T16:57:25Z
dc.date.created2025-01-31spa
dc.date.issued2025-01-31spa
dc.description.abstractUrban forests (UF) have been documented as a strategy for mitigating urban heat in population centers of the Global North that are affected by extreme temperatures. However, few have studied this ecosystem service in such climate-vulnerable, humid, tropical cities with less than 50,000 inhabitants, limited resources, and weak adaptive capacity to heatwaves. Accordingly, we studied the tropical city of Puerto Carreno, ˜ Colombia, to explore the links between tree heat regulation, human thermal comfort, and the subsequent effects on human well-being during the extremely hot season of 2021. Using a mixed methods approach, we measured hourly temperature and humidity for six months with sensors in paired exposed and tree-shaded sites in eight locations across the city, while also surveying residents’ thermal perception during the heat event. We found thermal regulation provided by UF was non-linear and increased exponentially with ambient temperature, for example reaching 8.7 ?C at 44 ?C, but only 2 ?C at 34.9 ?C. UF shading mitigated extremely high discomfort indices by a factor of 10 during the hottest hours and substantially reduced the potential heat lethality associated with such events. Survey respondents also noted the positive co-benefits of trees for human health, provision of climate-regulating ecosystem services, fruit production, and tree shade, while the discomfort index is likely underestimating reported felt comfort in such extremely hot tropical places. Measuring the link between urban forest structure, ecosystem services, and human well-being provides evidence for the use of trees as a sustainable Nature-Based climate adaptation strategy for vulnerable, resource-poor, tropical cities in the Global South.eng
dc.format.mimetypeapplication/pdfspa
dc.identifier.doihttps://doi.org/10.1016/j.uclim.2025.102311spa
dc.identifier.issn2212-0955spa
dc.identifier.urihttps://repository.urosario.edu.co/handle/10336/46123
dc.language.isoengspa
dc.publisherElsevierspa
dc.relation.ispartofUrban Climate Volume 59, February 2025spa
dc.relation.urihttps://www.sciencedirect.com/science/article/pii/S2212095525000276spa
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internationalspa
dc.rights.accesRightsinfo:eu-repo/semantics/openAccessspa
dc.rights.accesoAbierto (Texto Completo)spa
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/4.0/spa
dc.sourceUrban Climatespa
dc.source.instnameinstname:Universidad del Rosariospa
dc.source.reponamereponame:Repositorio Institucional EdocURspa
dc.subject.keywordThermal regulationeng
dc.subject.keywordHuman healtheng
dc.subject.keywordHuman thermal comforteng
dc.subject.keywordClimate changeeng
dc.subject.keywordColombiaeng
dc.subject.keywordEcosystem serviceseng
dc.subject.keywordNature-based solutionseng
dc.titleUrban forests mitigate extreme heat exposure in a vulnerable tropical cityspa
dc.typearticlespa
dc.type.hasVersioninfo:eu-repo/semantics/publishedVersionspa
dc.type.spaArtículo de Investigaciónspa
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