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Sci Total Environ. 2019 Mar 25;658:424-438. doi: 10.1016/j.scitotenv.2018.12.202. Epub 2018 Dec 15.

Combining monitoring and modelling approaches for BaP characterization over a petrochemical area.

Author information

1
Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Universitat Rovira i Virgili, Sant Llorenç 21, 43201 Reus, Catalonia, Spain; Environmental Engineering Laboratory, Departament d'Enginyeria Quimica, Universitat Rovira i Virgili, Av. Països Catalans 26, 43007 Tarragona, Catalonia, Spain.
2
LEPABE-Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal.
3
Environmental Engineering Laboratory, Departament d'Enginyeria Quimica, Universitat Rovira i Virgili, Av. Països Catalans 26, 43007 Tarragona, Catalonia, Spain; Laboratory of Soil Science, Faculty of Pharmacy, Universitat de Barcelona, Avda Joan XXIII s/n, 08028, Barcelona, Catalonia, Spain.
4
Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Universitat Rovira i Virgili, Sant Llorenç 21, 43201 Reus, Catalonia, Spain.
5
Physics of the Earth, Regional Campus of International Excellence "Campus Mare Nostrum", Campus de Espinardo, University of Murcia, 30100 Murcia, Spain; Biomedical Research Institute of Murcia (IMIB-Arrixaca), 30120 Murcia, Spain. Electronic address: pedro.jimenezguerrero@um.es.

Abstract

In this study, air concentrations of BaP in two different seasons (winter 2015 and summer 2016) and BaP levels in ground vegetation from Tarragona County were used as control simulations performed with the WRF-CHIMERE air quality modelling system, in order to reproduce the incidence of that hazardous chemical in air and soils. The CTM was validated for the present climatology, showing a good ability to represent air and soil concentrations of BaP over the target domain (petrochemical, chemical, urban and background sites), particularly in the winter. Then, the variation of the BaP concentrations in air and soils were simulated for the time series 1996-2015 and for the climate change scenario RCP8.5 (2031-2050). While an increase is projected for the levels in air, particularly in chemical and remote sites where the variation can go up to 10%, in terms of soil deposition the findings are the opposite, with an evident decrease in soil BaP concentrations, particularly for background sites. Finally, a potential health effect of BaP for the local population (lung cancer) was assessed. Although according to the projections the EU threshold for BaP atmospheric incidence (1 ng m-3) will not be reached by 2050, there will be an increase in the life-time risk of lung cancer, particularly in the most populated areas within the simulation domain.

KEYWORDS:

Benzo(a)pyrene; Human health; Passive sampling; Tarragona (Spain); WRF + CHIMERE

PMID:
30579200
DOI:
10.1016/j.scitotenv.2018.12.202
[Indexed for MEDLINE]

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