Application of Land Use Regression to Identify Sources and Assess Spatial Variation in Urban SVOC Concentrations

Logo poskytovatele

Varování

Publikace nespadá pod Pedagogickou fakultu, ale pod Přírodovědeckou fakultu. Oficiální stránka publikace je na webu muni.cz.
Autoři

MELYMUK Lisa Emily ROBSON M. WILHELM P.A. DIAMOND M.L.

Rok publikování 2013
Druh Článek v odborném periodiku
Časopis / Zdroj ENVIRONMENTAL SCIENCE & TECHNOLOGY
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
Doi http://dx.doi.org/10.1021/es3043609
Obor Znečištění a kontrola vzduchu
Klíčová slova POLYCYCLIC AROMATIC-HYDROCARBONS; POLYBROMINATED DIPHENYL ETHERS; HISTORICAL EMISSION INVENTORY; GREAT-LAKES BASIN; POLYCHLORINATED-BIPHENYLS; PCB CONGENERS; METROPOLITAN-AREA; SEASONAL TRENDS; MUSK FRAGRANCES; UNITED-STATES
Popis Land use regression (LUR), a geographic information system (GIS), and measured air concentrations were used to identify potential sources of semivolatile organic contaminants (SVOCs) within an urban/suburban region, using Toronto, Canada as a case study. Regression results suggested that air concentrations of polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs), polycyclic aromatic hydrocarbons (PAHs), and polycyclic musks (PCMs) were correlated with sources at a scale of <5 km. LUR was able to explain 73-90% of the variability in PCBs and PCMs, and 36-89% of PBDE and PAH variability, suggesting that the latter have more spatially complex emission sources, particularly for the lowest and highest molecular weight compounds/congeners. LUR suggested that similar to 75% of the PCB air concentration variability was related to the distribution of PCBs in use/storage/building sealants, similar to 60% of PBDE variability was related to building volume, similar to 55% of the PAH variability was related to the distribution of transportation infrastructure, and similar to 65% of the PCM variability was related to population density. Parameters such as population density and household income were successfully used as surrogates to infer sources and air concentrations of SVOCs in Toronto. This is the first application of LUR methods to explain SVOC concentrations.
Související projekty:

Používáte starou verzi internetového prohlížeče. Doporučujeme aktualizovat Váš prohlížeč na nejnovější verzi.