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Analysis of spatial factors, time-activity and infiltration on outdoor generated PM2.5 exposures of school children in five European cities

Korhonen Antti, Relvas Hélder, Miranda Ana Isabel, Ferreira Joana, Lopes Diogo, Rafael Sandra, Almeida Susana Marta, Faria Tiago, Martins Vânia, Canha Nuno, Diapouli Evangelia, Eleftheriadis, Konstantinos, Chalvatzaki Eleftheria, Lazaridis Michail, Lehtomäki Heli, Rumrich Isabell, Hänninen, Otto

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URIhttp://purl.tuc.gr/dl/dias/43C1D240-265A-4D65-9681-4D365962A549-
Αναγνωριστικόhttps://doi.org/10.1016/j.scitotenv.2021.147111-
Αναγνωριστικόhttps://www.sciencedirect.com/science/article/pii/S0048969721021811-
Γλώσσαen-
Μέγεθος9 pagesen
ΤίτλοςAnalysis of spatial factors, time-activity and infiltration on outdoor generated PM2.5 exposures of school children in five European citiesen
ΔημιουργόςKorhonen Anttien
ΔημιουργόςRelvas Hélderen
ΔημιουργόςMiranda Ana Isabelen
ΔημιουργόςFerreira Joanaen
ΔημιουργόςLopes Diogoen
ΔημιουργόςRafael Sandraen
ΔημιουργόςAlmeida Susana Martaen
ΔημιουργόςFaria Tiagoen
ΔημιουργόςMartins Vâniaen
ΔημιουργόςCanha Nunoen
ΔημιουργόςDiapouli Evangeliaen
ΔημιουργόςEleftheriadis, Konstantinosen
ΔημιουργόςChalvatzaki Eleftheriaen
ΔημιουργόςΧαλβατζακη Ελευθεριαel
ΔημιουργόςLazaridis Michailen
ΔημιουργόςΛαζαριδης Μιχαηλel
ΔημιουργόςLehtomäki Helien
ΔημιουργόςRumrich Isabellen
ΔημιουργόςHänninen, Ottoen
ΕκδότηςElsevieren
ΠερίληψηAtmospheric particles are a major environmental health risk. Assessments of air pollution related health burden are often based on outdoor concentrations estimated at residential locations, ignoring spatial mobility, time-activity patterns, and indoor exposures. The aim of this work is to quantify impacts of these factors on outdoor-originated fine particle exposures of school children. We apply nested WRF-CAMx modelling of PM2.5 concentrations, gridded population, and school location data. Infiltration and enrichment factors were collected and applied to Athens, Kuopio, Lisbon, Porto, and Treviso. Exposures of school children were calculated for residential and school outdoor and indoor, other indoor, and traffic microenvironments. Combined with time-activity patterns six exposure models were created. Model complexity was increased incrementally starting from residential and school outdoor exposures. Even though levels in traffic and outdoors were considerably higher, 80–84% of the exposure to outdoor particles occurred in indoor environments. The simplest and also commonly used approach of using residential outdoor concentrations as population exposure descriptor (model 1), led on average to 26% higher estimates (15.7 μg/m3) compared with the most complex model (# 6) including home and school outdoor and indoor, other indoor and traffic microenvironments (12.5 μg/m3). These results emphasize the importance of including spatial mobility, time-activity and infiltration to reduce bias in exposure estimates.en
ΤύποςPeer-Reviewed Journal Publicationen
ΤύποςΔημοσίευση σε Περιοδικό με Κριτέςel
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2023-01-11-
Ημερομηνία Δημοσίευσης2021-
Θεματική ΚατηγορίαExposureen
Θεματική ΚατηγορίαMisclassificationen
Θεματική ΚατηγορίαTime-activityen
Θεματική ΚατηγορίαSpatial mobilityen
Θεματική ΚατηγορίαInfiltrationen
Θεματική ΚατηγορίαMicroenvironmenten
Θεματική ΚατηγορίαParticulate matteren
Θεματική ΚατηγορίαHealth impact assessmenten
Βιβλιογραφική ΑναφοράA. Korhonen, H. Relvas, A. I. Miranda, J. Ferreira, D. Lopes, S. Rafael, S. M. Almeida, T. Faria, V. Martins, N. Canha, E. Diapouli, K. Eleftheriadis, E. Chalvatzaki, M. Lazaridis, H. Lehtomäki, I. Rumrich, and O. Hänninen, “Analysis of spatial factors, time-activity and infiltration on outdoor generated PM2.5 exposures of school children in five European cities,” Sci. Total Environ., vol. 785, Sep. 2021, doi: 10.1016/j.scitotenv.2021.147111.en

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