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    Rights statement: This is the author’s version of a work that was accepted for publication in Environmental Pollution. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Environmental Pollution, 227, 2017 DOI: 10.1016/j.envpol.2017.04.087

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Polycyclic aromatic hydrocarbons in ocean sediments from the North Pacific to the Arctic Ocean

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Polycyclic aromatic hydrocarbons in ocean sediments from the North Pacific to the Arctic Ocean. / Ma, Yuxin; Halsall, Crispin J.; Xie, Zhiyong; Koetke, Danijela; Mi, Wenying; Ebinghaus, Ralf; Gao, Guoping.

In: Environmental Pollution, Vol. 227, 08.2017, p. 498-504.

Research output: Contribution to journalJournal article

Harvard

Ma, Y, Halsall, CJ, Xie, Z, Koetke, D, Mi, W, Ebinghaus, R & Gao, G 2017, 'Polycyclic aromatic hydrocarbons in ocean sediments from the North Pacific to the Arctic Ocean', Environmental Pollution, vol. 227, pp. 498-504. https://doi.org/10.1016/j.envpol.2017.04.087

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Author

Ma, Yuxin ; Halsall, Crispin J. ; Xie, Zhiyong ; Koetke, Danijela ; Mi, Wenying ; Ebinghaus, Ralf ; Gao, Guoping. / Polycyclic aromatic hydrocarbons in ocean sediments from the North Pacific to the Arctic Ocean. In: Environmental Pollution. 2017 ; Vol. 227. pp. 498-504.

Bibtex

@article{5871776d17ab4dfca279ba0a5c736874,
title = "Polycyclic aromatic hydrocarbons in ocean sediments from the North Pacific to the Arctic Ocean",
abstract = "Abstract Eighteen polycyclic aromatic hydrocarbons (PAHs) were measured in surficial sediments along a marine transect from the North Pacific into the Arctic Ocean. The highest average Σ18PAHs concentrations were observed along the continental slope of the Canada Basin in the Arctic (68.3 ± 8.5 ng g−1 dw), followed by sediments in the Chukchi Sea shelf (49.7 ± 21.2 ng g−1 dw) and Bering Sea (39.5 ± 11.3 ng g−1 dw), while the Bering Strait (16.8 ± 7.1 ng g−1 dw) and Central Arctic Ocean sediments (13.1 ± 9.6 ng g−1 dw) had relatively lower average concentrations. The use of principal components analysis with multiple linear regression (PCA/MLR) indicated that on average oil related or petrogenic sources contributed ∼42% of the measured PAHs in the sediments and marked by higher concentrations of two methylnaphthalenes over the non-alkylated parent PAH, naphthalene. Wood and coal combustion contributed ∼32%, and high temperature pyrogenic sources contributing ∼26%. Petrogenic sources, such as oil seeps, allochthonous coal and coastally eroded material such as terrigenous sediments particularly affected the Chukchi Sea shelf and slope of the Canada Basin, while biomass and coal combustion sources appeared to have greater influence in the central Arctic Ocean, possibly due to the effects of episodic summertime forest fires.",
keywords = "Arctic, Marine, Sediment, Source apportionment, Pollution",
author = "Yuxin Ma and Halsall, {Crispin J.} and Zhiyong Xie and Danijela Koetke and Wenying Mi and Ralf Ebinghaus and Guoping Gao",
note = "This is the author{\textquoteright}s version of a work that was accepted for publication in Environmental Pollution. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Environmental Pollution, 227, 2017 DOI: 10.1016/j.envpol.2017.04.087",
year = "2017",
month = aug,
doi = "10.1016/j.envpol.2017.04.087",
language = "English",
volume = "227",
pages = "498--504",
journal = "Environmental Pollution",
issn = "0269-7491",
publisher = "Elsevier Ltd",

}

RIS

TY - JOUR

T1 - Polycyclic aromatic hydrocarbons in ocean sediments from the North Pacific to the Arctic Ocean

AU - Ma, Yuxin

AU - Halsall, Crispin J.

AU - Xie, Zhiyong

AU - Koetke, Danijela

AU - Mi, Wenying

AU - Ebinghaus, Ralf

AU - Gao, Guoping

N1 - This is the author’s version of a work that was accepted for publication in Environmental Pollution. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Environmental Pollution, 227, 2017 DOI: 10.1016/j.envpol.2017.04.087

PY - 2017/8

Y1 - 2017/8

N2 - Abstract Eighteen polycyclic aromatic hydrocarbons (PAHs) were measured in surficial sediments along a marine transect from the North Pacific into the Arctic Ocean. The highest average Σ18PAHs concentrations were observed along the continental slope of the Canada Basin in the Arctic (68.3 ± 8.5 ng g−1 dw), followed by sediments in the Chukchi Sea shelf (49.7 ± 21.2 ng g−1 dw) and Bering Sea (39.5 ± 11.3 ng g−1 dw), while the Bering Strait (16.8 ± 7.1 ng g−1 dw) and Central Arctic Ocean sediments (13.1 ± 9.6 ng g−1 dw) had relatively lower average concentrations. The use of principal components analysis with multiple linear regression (PCA/MLR) indicated that on average oil related or petrogenic sources contributed ∼42% of the measured PAHs in the sediments and marked by higher concentrations of two methylnaphthalenes over the non-alkylated parent PAH, naphthalene. Wood and coal combustion contributed ∼32%, and high temperature pyrogenic sources contributing ∼26%. Petrogenic sources, such as oil seeps, allochthonous coal and coastally eroded material such as terrigenous sediments particularly affected the Chukchi Sea shelf and slope of the Canada Basin, while biomass and coal combustion sources appeared to have greater influence in the central Arctic Ocean, possibly due to the effects of episodic summertime forest fires.

AB - Abstract Eighteen polycyclic aromatic hydrocarbons (PAHs) were measured in surficial sediments along a marine transect from the North Pacific into the Arctic Ocean. The highest average Σ18PAHs concentrations were observed along the continental slope of the Canada Basin in the Arctic (68.3 ± 8.5 ng g−1 dw), followed by sediments in the Chukchi Sea shelf (49.7 ± 21.2 ng g−1 dw) and Bering Sea (39.5 ± 11.3 ng g−1 dw), while the Bering Strait (16.8 ± 7.1 ng g−1 dw) and Central Arctic Ocean sediments (13.1 ± 9.6 ng g−1 dw) had relatively lower average concentrations. The use of principal components analysis with multiple linear regression (PCA/MLR) indicated that on average oil related or petrogenic sources contributed ∼42% of the measured PAHs in the sediments and marked by higher concentrations of two methylnaphthalenes over the non-alkylated parent PAH, naphthalene. Wood and coal combustion contributed ∼32%, and high temperature pyrogenic sources contributing ∼26%. Petrogenic sources, such as oil seeps, allochthonous coal and coastally eroded material such as terrigenous sediments particularly affected the Chukchi Sea shelf and slope of the Canada Basin, while biomass and coal combustion sources appeared to have greater influence in the central Arctic Ocean, possibly due to the effects of episodic summertime forest fires.

KW - Arctic

KW - Marine

KW - Sediment

KW - Source apportionment

KW - Pollution

U2 - 10.1016/j.envpol.2017.04.087

DO - 10.1016/j.envpol.2017.04.087

M3 - Journal article

VL - 227

SP - 498

EP - 504

JO - Environmental Pollution

JF - Environmental Pollution

SN - 0269-7491

ER -