Perfluoroalkyl acids in the atlantic and Canadian arctic oceans
We report here on the spatial distribution of C4, C6, and C8 perfluoroalkyl sulfonates, C6-C14 perfluoroalkyl carboxylates, and perfluorooctanesulfonamide in the Atlantic and Arctic Oceans, including previously unstudied coastal waters of North and South America, and the Canadian Arctic Archipelago....
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ftunivrhodeislan:oai:digitalcommons.uri.edu:gsofacpubs-2770 2024-01-21T09:58:56+01:00 Perfluoroalkyl acids in the atlantic and Canadian arctic oceans Benskin, Jonathan P. Muir, Derek C.G. Scott, Brian F. Spencer, Christine De Silva, Amila O. Kylin, Henrik Martin, Jonathan W. Morris, Adam Lohmann, Rainer Tomy, Gregg Rosenberg, Bruno Taniyasu, Sachi Yamashita, Nobuyoshi 2012-06-05T07:00:00Z https://digitalcommons.uri.edu/gsofacpubs/1800 https://doi.org/10.1021/es300578x unknown DigitalCommons@URI https://digitalcommons.uri.edu/gsofacpubs/1800 doi:10.1021/es300578x https://doi.org/10.1021/es300578x Graduate School of Oceanography Faculty Publications text 2012 ftunivrhodeislan https://doi.org/10.1021/es300578x 2023-12-25T19:10:01Z We report here on the spatial distribution of C4, C6, and C8 perfluoroalkyl sulfonates, C6-C14 perfluoroalkyl carboxylates, and perfluorooctanesulfonamide in the Atlantic and Arctic Oceans, including previously unstudied coastal waters of North and South America, and the Canadian Arctic Archipelago. Perfluorooctanoate (PFOA) and perfluorooctanesulfonate (PFOS) were typically the dominant perfluoroalkyl acids (PFAAs) in Atlantic water. In the midnorthwest Atlantic/Gulf Stream, sum PFAA concentrations (ΣPFAAs) were low (77-190 pg/L) but increased rapidly upon crossing into U.S. coastal water (up to 5800 pg/L near Rhode Island). ΣPFAAs in the northeast Atlantic were highest north of the Canary Islands (280-980 pg/L) and decreased with latitude. In the South Atlantic, concentrations increased near Rio de la Plata (Argentina/Uruguay; 350-540 pg/L ΣPFAAs), possibly attributable to insecticides containing N-ethyl perfluorooctanesulfonamide, or proximity to Montevideo and Buenos Aires. In all other southern hemisphere locations, ΣPFAAs were <210 pg/L. PFOA/PFOS ratios were typically ≥1 in the northern hemisphere, ∼1 near the equator, and ≤1 in the southern hemisphere. In the Canadian Arctic, ΣPFAAs ranged from 40 to 250 pg/L, with perfluoroheptanoate, PFOA, and PFOS among the PFAAs detected at the highest concentrations. PFOA/PFOS ratios (typically ≫1) decreased from Baffin Bay to the Amundsen Gulf, possibly attributable to increased atmospheric inputs. These data help validate global emissions models and contribute to understanding of long-range transport pathways and sources of PFAAs to remote regions. © 2012 American Chemical Society. Text Amundsen Gulf Arctic Archipelago Arctic Baffin Bay Baffin Bay Baffin Canadian Arctic Archipelago Northeast Atlantic University of Rhode Island: DigitalCommons@URI Arctic Argentina Baffin Bay Canadian Arctic Archipelago Uruguay Environmental Science & Technology 46 11 5815 5823 |
institution |
Open Polar |
collection |
University of Rhode Island: DigitalCommons@URI |
op_collection_id |
ftunivrhodeislan |
language |
unknown |
description |
We report here on the spatial distribution of C4, C6, and C8 perfluoroalkyl sulfonates, C6-C14 perfluoroalkyl carboxylates, and perfluorooctanesulfonamide in the Atlantic and Arctic Oceans, including previously unstudied coastal waters of North and South America, and the Canadian Arctic Archipelago. Perfluorooctanoate (PFOA) and perfluorooctanesulfonate (PFOS) were typically the dominant perfluoroalkyl acids (PFAAs) in Atlantic water. In the midnorthwest Atlantic/Gulf Stream, sum PFAA concentrations (ΣPFAAs) were low (77-190 pg/L) but increased rapidly upon crossing into U.S. coastal water (up to 5800 pg/L near Rhode Island). ΣPFAAs in the northeast Atlantic were highest north of the Canary Islands (280-980 pg/L) and decreased with latitude. In the South Atlantic, concentrations increased near Rio de la Plata (Argentina/Uruguay; 350-540 pg/L ΣPFAAs), possibly attributable to insecticides containing N-ethyl perfluorooctanesulfonamide, or proximity to Montevideo and Buenos Aires. In all other southern hemisphere locations, ΣPFAAs were <210 pg/L. PFOA/PFOS ratios were typically ≥1 in the northern hemisphere, ∼1 near the equator, and ≤1 in the southern hemisphere. In the Canadian Arctic, ΣPFAAs ranged from 40 to 250 pg/L, with perfluoroheptanoate, PFOA, and PFOS among the PFAAs detected at the highest concentrations. PFOA/PFOS ratios (typically ≫1) decreased from Baffin Bay to the Amundsen Gulf, possibly attributable to increased atmospheric inputs. These data help validate global emissions models and contribute to understanding of long-range transport pathways and sources of PFAAs to remote regions. © 2012 American Chemical Society. |
format |
Text |
author |
Benskin, Jonathan P. Muir, Derek C.G. Scott, Brian F. Spencer, Christine De Silva, Amila O. Kylin, Henrik Martin, Jonathan W. Morris, Adam Lohmann, Rainer Tomy, Gregg Rosenberg, Bruno Taniyasu, Sachi Yamashita, Nobuyoshi |
spellingShingle |
Benskin, Jonathan P. Muir, Derek C.G. Scott, Brian F. Spencer, Christine De Silva, Amila O. Kylin, Henrik Martin, Jonathan W. Morris, Adam Lohmann, Rainer Tomy, Gregg Rosenberg, Bruno Taniyasu, Sachi Yamashita, Nobuyoshi Perfluoroalkyl acids in the atlantic and Canadian arctic oceans |
author_facet |
Benskin, Jonathan P. Muir, Derek C.G. Scott, Brian F. Spencer, Christine De Silva, Amila O. Kylin, Henrik Martin, Jonathan W. Morris, Adam Lohmann, Rainer Tomy, Gregg Rosenberg, Bruno Taniyasu, Sachi Yamashita, Nobuyoshi |
author_sort |
Benskin, Jonathan P. |
title |
Perfluoroalkyl acids in the atlantic and Canadian arctic oceans |
title_short |
Perfluoroalkyl acids in the atlantic and Canadian arctic oceans |
title_full |
Perfluoroalkyl acids in the atlantic and Canadian arctic oceans |
title_fullStr |
Perfluoroalkyl acids in the atlantic and Canadian arctic oceans |
title_full_unstemmed |
Perfluoroalkyl acids in the atlantic and Canadian arctic oceans |
title_sort |
perfluoroalkyl acids in the atlantic and canadian arctic oceans |
publisher |
DigitalCommons@URI |
publishDate |
2012 |
url |
https://digitalcommons.uri.edu/gsofacpubs/1800 https://doi.org/10.1021/es300578x |
geographic |
Arctic Argentina Baffin Bay Canadian Arctic Archipelago Uruguay |
geographic_facet |
Arctic Argentina Baffin Bay Canadian Arctic Archipelago Uruguay |
genre |
Amundsen Gulf Arctic Archipelago Arctic Baffin Bay Baffin Bay Baffin Canadian Arctic Archipelago Northeast Atlantic |
genre_facet |
Amundsen Gulf Arctic Archipelago Arctic Baffin Bay Baffin Bay Baffin Canadian Arctic Archipelago Northeast Atlantic |
op_source |
Graduate School of Oceanography Faculty Publications |
op_relation |
https://digitalcommons.uri.edu/gsofacpubs/1800 doi:10.1021/es300578x https://doi.org/10.1021/es300578x |
op_doi |
https://doi.org/10.1021/es300578x |
container_title |
Environmental Science & Technology |
container_volume |
46 |
container_issue |
11 |
container_start_page |
5815 |
op_container_end_page |
5823 |
_version_ |
1788692159436685312 |