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The fate of per- and polyfluoroalkyl substances within a melting snowpack of a boreal forest

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Published

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The fate of per- and polyfluoroalkyl substances within a melting snowpack of a boreal forest. / Codling, Garry; Halsall, Crispin; Ahrens, Lutz et al.

In: Environmental Pollution, Vol. 191, 08.2014, p. 190-198.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Codling, G, Halsall, C, Ahrens, L, Del Vento, S, Wiberg, K, Bergknut, M, Laudon, H & Ebinghaus, R 2014, 'The fate of per- and polyfluoroalkyl substances within a melting snowpack of a boreal forest', Environmental Pollution, vol. 191, pp. 190-198. https://doi.org/10.1016/j.envpol.2014.04.032

APA

Codling, G., Halsall, C., Ahrens, L., Del Vento, S., Wiberg, K., Bergknut, M., Laudon, H., & Ebinghaus, R. (2014). The fate of per- and polyfluoroalkyl substances within a melting snowpack of a boreal forest. Environmental Pollution, 191, 190-198. https://doi.org/10.1016/j.envpol.2014.04.032

Vancouver

Codling G, Halsall C, Ahrens L, Del Vento S, Wiberg K, Bergknut M et al. The fate of per- and polyfluoroalkyl substances within a melting snowpack of a boreal forest. Environmental Pollution. 2014 Aug;191:190-198. doi: 10.1016/j.envpol.2014.04.032

Author

Codling, Garry ; Halsall, Crispin ; Ahrens, Lutz et al. / The fate of per- and polyfluoroalkyl substances within a melting snowpack of a boreal forest. In: Environmental Pollution. 2014 ; Vol. 191. pp. 190-198.

Bibtex

@article{887fe7f16ce24df1bb418ea8a4263c6a,
title = "The fate of per- and polyfluoroalkyl substances within a melting snowpack of a boreal forest",
abstract = "Per- and polyfluoroallcyl substances (PFAS) were measured systematically in a snowpack in northern Sweden to determine chemical behaviour during seasonal melt. Average PFAS concentrations were generally low, but displayed a wide range with median (range) concentrations of PFOA and PFOS of 66.5 pg L-1 (ND-122) and 20.5 pg L-1 (2.60-253) respectively. Average concentrations of the shorter chain, C4 and C5 perfluoroalkyl carboxylates (PFCAs) and perfluoroalkyl sulfonates (PFSAs), were similar to 10-fold higher. Differences in the PFAS concentrations and profile were observed between surface snow and deeper layers, with evidence of PFAS migration to deeper snow layers as melt progressed. Chemical loads (ng m(-2)) for C4-9 PFCAs decreased gradually as melt progressed, but increased for C-4, C6-8 PFSAs and the longer chain C10-12 PFCAs. This enrichment in the diminishing snowpack is an unusual phenomenon that will affect PFAS elution with meltwater and subsequent entry to catchment surface waters. (C) 2014 Elsevier Ltd. All rights reserved.",
keywords = "Per- and polyfluoroalkyl substances (PFASs), Perfluorooctane sulfonate (PFOS), Snow, Fate, Atmospheric deposition, PERFLUORINATED ACIDS, PERFLUOROALKYL SUBSTANCES, ORGANIC-CHEMICALS, SURFACE WATERS, ENRICHMENT, RUNOFF, AIR, FOG, PRECIPITATION, POLLUTANTS",
author = "Garry Codling and Crispin Halsall and Lutz Ahrens and {Del Vento}, Sabino and Karin Wiberg and Magnus Bergknut and Hjalmar Laudon and Ralf Ebinghaus",
year = "2014",
month = aug,
doi = "10.1016/j.envpol.2014.04.032",
language = "English",
volume = "191",
pages = "190--198",
journal = "Environmental Pollution",
issn = "0269-7491",
publisher = "Elsevier Ltd",

}

RIS

TY - JOUR

T1 - The fate of per- and polyfluoroalkyl substances within a melting snowpack of a boreal forest

AU - Codling, Garry

AU - Halsall, Crispin

AU - Ahrens, Lutz

AU - Del Vento, Sabino

AU - Wiberg, Karin

AU - Bergknut, Magnus

AU - Laudon, Hjalmar

AU - Ebinghaus, Ralf

PY - 2014/8

Y1 - 2014/8

N2 - Per- and polyfluoroallcyl substances (PFAS) were measured systematically in a snowpack in northern Sweden to determine chemical behaviour during seasonal melt. Average PFAS concentrations were generally low, but displayed a wide range with median (range) concentrations of PFOA and PFOS of 66.5 pg L-1 (ND-122) and 20.5 pg L-1 (2.60-253) respectively. Average concentrations of the shorter chain, C4 and C5 perfluoroalkyl carboxylates (PFCAs) and perfluoroalkyl sulfonates (PFSAs), were similar to 10-fold higher. Differences in the PFAS concentrations and profile were observed between surface snow and deeper layers, with evidence of PFAS migration to deeper snow layers as melt progressed. Chemical loads (ng m(-2)) for C4-9 PFCAs decreased gradually as melt progressed, but increased for C-4, C6-8 PFSAs and the longer chain C10-12 PFCAs. This enrichment in the diminishing snowpack is an unusual phenomenon that will affect PFAS elution with meltwater and subsequent entry to catchment surface waters. (C) 2014 Elsevier Ltd. All rights reserved.

AB - Per- and polyfluoroallcyl substances (PFAS) were measured systematically in a snowpack in northern Sweden to determine chemical behaviour during seasonal melt. Average PFAS concentrations were generally low, but displayed a wide range with median (range) concentrations of PFOA and PFOS of 66.5 pg L-1 (ND-122) and 20.5 pg L-1 (2.60-253) respectively. Average concentrations of the shorter chain, C4 and C5 perfluoroalkyl carboxylates (PFCAs) and perfluoroalkyl sulfonates (PFSAs), were similar to 10-fold higher. Differences in the PFAS concentrations and profile were observed between surface snow and deeper layers, with evidence of PFAS migration to deeper snow layers as melt progressed. Chemical loads (ng m(-2)) for C4-9 PFCAs decreased gradually as melt progressed, but increased for C-4, C6-8 PFSAs and the longer chain C10-12 PFCAs. This enrichment in the diminishing snowpack is an unusual phenomenon that will affect PFAS elution with meltwater and subsequent entry to catchment surface waters. (C) 2014 Elsevier Ltd. All rights reserved.

KW - Per- and polyfluoroalkyl substances (PFASs)

KW - Perfluorooctane sulfonate (PFOS)

KW - Snow

KW - Fate

KW - Atmospheric deposition

KW - PERFLUORINATED ACIDS

KW - PERFLUOROALKYL SUBSTANCES

KW - ORGANIC-CHEMICALS

KW - SURFACE WATERS

KW - ENRICHMENT

KW - RUNOFF

KW - AIR

KW - FOG

KW - PRECIPITATION

KW - POLLUTANTS

U2 - 10.1016/j.envpol.2014.04.032

DO - 10.1016/j.envpol.2014.04.032

M3 - Journal article

VL - 191

SP - 190

EP - 198

JO - Environmental Pollution

JF - Environmental Pollution

SN - 0269-7491

ER -