Organohalogenated contaminants (OHCs) in high-altitude environments : A review and implication for a black carbon relationship

Ali, Usman and Sweetman, Andrew James and Riaz, Rahat and Jones, Kevin C. and Malik, Riffat Naseem (2017) Organohalogenated contaminants (OHCs) in high-altitude environments : A review and implication for a black carbon relationship. Critical Reviews in Environmental Science and Technology, 47 (13). pp. 1143-1190. ISSN 1064-3389

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Abstract

Organohalogens contain important groups of persistent organic pollutants that have a special focus owing to their adverse effects. Due to long-range atmospheric transport, these chemicals could reach to higher altitude cold regions where they become deposited and trapped on surface media, i.e., soil, water, sediments, and snow. Intriguingly, another pollutant, black carbon (BC) shows a strong association with these organohalogens and could sturdily affect the environmental distribution of these contaminants. It is implicated that BC can significantly alter not only the behavior of organohalogens in the environment but its presence could also lead to an increase in temperature which may result in the rerelease of the trapped organohalogens in these regions. Hence, theories of “glacier hypothesis” and “forest filter effect” could be better explained.

Item Type:
Journal Article
Journal or Publication Title:
Critical Reviews in Environmental Science and Technology
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2300/2305
Subjects:
?? black carbonpersistent organic pollutantsupslope enrichmentenvironmental engineeringwater science and technologywaste management and disposalpollution ??
ID Code:
137804
Deposited By:
Deposited On:
28 Apr 2020 08:00
Refereed?:
Yes
Published?:
Published
Last Modified:
15 Jul 2024 19:59