Objective: Identify and describe physical factors (FF) conditioning the resuspension of particulate matter (RPM) in road environments and their possible influence on urban air quality. Methodology: the literature review was conducted in ScienceDirect, Taylor & Francis, Springer and Scopus databases between the years 1990-2017. The order of importance for the FFs was established by a citation frequency index (Q). The conditioning FFs identified were as follows: dust road particle size (Q1 = 0.842), vehicle traffic (Q2 = 0.742) and traffic composition (Q2 = 0.630). Results: the results showed that on urban roads there were potential resuspension particles between <0.25-10 ìm and its main sources of emission in order of importance were as follows: deposited road sediment (18.8%), tyre wear (2.5%), brake wear (2.5%) and pavement wear (1.30%). A linear relationship (R2 = 0.531) was identified between vehicle traffic density (veh./h) and PM10 concentration (ìg/m3). Regarding the traffic composition, on average, the highest emission factors for RPM were associated with heavy-duty vehicles (1016 mg/VKT) in relation to light-duty vehicles (53.4 mg/VKT) and motorcycles (3.95 mg/VKT). Finally, this review showed that Europe, Asia and North America registered the highest amount of studies on PMR (92.2%) while in Latin America these were scarce (7.80%).
Contaminación atmosférica por material particulado resuspendido: factores físicos condicionantes en áreas urbanas
2019-08-01
329621 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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