J 2018

Spatial gradients of polycyclic aromatic hydrocarbons (PAHs) in air, atmospheric deposition, and surface water of the Ganges River basin

SHARMA, Brij Mohan, Lisa Emily MELYMUK, Girija K. BHARAT, Petra PŘIBYLOVÁ, Ondřej SÁŇKA et. al.

Basic information

Original name

Spatial gradients of polycyclic aromatic hydrocarbons (PAHs) in air, atmospheric deposition, and surface water of the Ganges River basin

Authors

SHARMA, Brij Mohan (356 India, belonging to the institution), Lisa Emily MELYMUK (124 Canada, belonging to the institution), Girija K. BHARAT (356 India), Petra PŘIBYLOVÁ (203 Czech Republic, belonging to the institution), Ondřej SÁŇKA (203 Czech Republic, belonging to the institution), Jana KLÁNOVÁ (203 Czech Republic, guarantor, belonging to the institution) and Luca NIZZETTO (380 Italy, belonging to the institution)

Edition

Science of the Total Environment, Amsterdam, Elsevier Science, 2018, 0048-9697

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

10511 Environmental sciences

Country of publisher

Netherlands

Confidentiality degree

není předmětem státního či obchodního tajemství

References:

Impact factor

Impact factor: 5.589

RIV identification code

RIV/00216224:14310/18:00104746

Organization unit

Faculty of Science

DOI

UT WoS

000431848500140

Keywords in English

PAHs; Ganges River; Source identification; Urbanization; Health risk assessment

Tags

International impact, Reviewed
Změněno: 1/12/2018 21:41, Mgr. Michaela Hylsová, Ph.D.

Abstract

V originále

Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous semi-volatile organic pollutants. Their environmental occurrence is of global concern as some of them are carcinogens, mutagens, and teratogens. In this study, concentrations and distributions of 16 priority PAHs (Sigma PAHs) were measured in air, atmospheric deposition, and surface water at various locations in Himalayan, Middle, and Lower Reaches of the Ganges River, covering a spatial transect of 2500 km, during two seasons (pre-monsoon and monsoon). The concentration of Sigma PAHs ranged between 2.2 and 182.2 ng m(-3) in air, between 186 and 8810 ng m(-2) day(-1) in atmospheric deposition, and between 0.05 and 65.9 ng L-1 in surface water. Air concentrations were strongly correlated with human population density. In the Middle and Lower Reaches of the Ganges River, atmospheric PAHs were mainly attributed to fossil fuel combustion sources. In the Himalayan Reach the influence of forest fire or biomass combustion was evident during the dry pre-monsoon season. Seasonality in concentrations of PAHs in river water was evident in the Himalayan Reach of the river, as a probable consequence of climate-modulated secondary source intensity (i.e. releases from glacier melting). Seasonality faded in the Middle and Lower Reaches of the Ganges where water contamination is expected to mainly reflect anthropogenic primary sources. Ambient air concentrations were used to calculate the probabilistic incremental lifetime cancer risk (ILCR). It was expectedly found to be higher in the Middle and Lower Reaches compared to the Himalayan Reach. The strong correlation between population density and air concentrations suggests population density may be used as a surrogate variable to assess human health risk in data-sparse regions such as the Ganges River basin.

Links

CZ.02.1.01/0.0/0.0/16_013/0001761, interní kód MU
Name: RECETOX RI - OP VVV (Acronym: RECETOX RI)
Investor: Ministry of Education, Youth and Sports of the CR, Priority axis 1: Strengthening capacities for high-quality research
ED2.1.00/19.0382, research and development project
Name: CETOCOEN UPgrade
EF15_003/0000469, research and development project
Name: Cetocoen Plus
LM2015051, research and development project
Name: Centrum pro výzkum toxických látek v prostředí (Acronym: RECETOX RI)
Investor: Ministry of Education, Youth and Sports of the CR