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Emissions and fate of organophosphate esters in outdoor urban environments.
Rodgers, Timothy F M; Giang, Amanda; Diamond, Miriam L; Gillies, Emma; Saini, Amandeep.
Afiliación
  • Rodgers TFM; Institute for Resources, Environment and Sustainability, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada.
  • Giang A; Institute for Resources, Environment and Sustainability, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada. amanda.giang@ubc.ca.
  • Diamond ML; Department of Mechanical Engineering, University of British Columbia, Vancouver, BC, V6T1Z4, Canada. amanda.giang@ubc.ca.
  • Gillies E; Department of Earth Sciences, University of Toronto, Toronto, ON, M5S 3B1, Canada.
  • Saini A; School of the Environment, University of Toronto, Toronto, ON, M5S 3B1, Canada.
Nat Commun ; 14(1): 1175, 2023 Mar 01.
Article en En | MEDLINE | ID: mdl-36859357
Cities are drivers of the global economy, containing products and industries that emit many chemicals. Here, we use the Multimedia Urban Model (MUM) to estimate atmospheric emissions and fate of organophosphate esters (OPEs) from 19 global mega or major cities, finding that they collectively emitted ~81,000 kg yr-1 of ∑10OPEs in 2018. Typically, polar "mobile" compounds tend to partition to and be advected by water, while non-polar "bioaccumulative" chemicals do not. Depending on the built environment and climate of the city considered, the same compound behaves like either a mobile or a bioaccumulative chemical. Cities with large impervious surface areas, such as Kolkata, mobilize even bioaccumulative contaminants to aquatic ecosystems. By contrast, cities with large areas of vegetation fix and transform contaminants, reducing loadings to aquatic ecosystems. Our results therefore suggest that urban design choices could support policies aimed at reducing chemical releases to the broader environment without increasing exposure for urban residents.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Prognostic_studies Idioma: En Revista: Nat Commun Asunto de la revista: BIOLOGIA / CIENCIA Año: 2023 Tipo del documento: Article País de afiliación: Canadá Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Prognostic_studies Idioma: En Revista: Nat Commun Asunto de la revista: BIOLOGIA / CIENCIA Año: 2023 Tipo del documento: Article País de afiliación: Canadá Pais de publicación: Reino Unido