Perfluoroalkyl acids in surface seawater from the North Pacific to the Arctic Ocean Contamination, distribution and transportation
The bioaccumulative, persistent and toxic properties of long-chain perfluoroalkyl acids (PFAAs) resulted in strict regulations on PFAAs, especially in developed countries. Consequently, the industry manufacturing of PFAAs shifts from long-chain to short-chain. In order to better understand the pollu...
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ftchacadscircees:oai:/ir.rcees.ac.cn:311016/40762 2023-06-11T04:08:47+02:00 Perfluoroalkyl acids in surface seawater from the North Pacific to the Arctic Ocean Contamination, distribution and transportation Li, Lei Zheng, Hongyuan Wang, Tieyu Cai, Minghong Wang, Pei 2018-07-01 http://ir.rcees.ac.cn/handle/311016/40762 unknown ENVIRONMENTAL POLLUTION http://ir.rcees.ac.cn/handle/311016/40762 cn.org.cspace.api.content.CopyrightPolicy@70e3c8f8 PFAAs North Pacific ocean Arctic ocean Distribution PFBA Global variations Article 期刊论文 2018 ftchacadscircees 2023-05-28T12:13:15Z The bioaccumulative, persistent and toxic properties of long-chain perfluoroalkyl acids (PFAAs) resulted in strict regulations on PFAAs, especially in developed countries. Consequently, the industry manufacturing of PFAAs shifts from long-chain to short-chain. In order to better understand the pollution situation of PFAAs in marine environment under this new circumstance, the occurrence of 17 linear PFAAs was investigated in 30 surface seawater samples from the North Pacific to Arctic Ocean (123 degrees E to 24 degrees W, 32 to 82 degrees N) during the sixth Chinese Arctic Expedition in 2014. Total concentrations of PFAAs (Sigma PFAAs) were between 346.9 pg per liter (pg/L) to 3045.3 pg/L. The average concentrations of Sigma PFAAs decreased in the order of East China Sea (2791.4 pg/L, n = 2), Sea of Japan (East Sea) (832.8 pg/L, n = 6), Arctic Ocean (516.9 pg/L, n = 7), Chukchi Sea (505.2 pg/L, n = 4), Bering Sea (501.2 pg/L, n = 8) and Sea of Okhotsk (417.7 pg/L, n = 3). C4 to C9 perfluoroalkyl carboxylic acids (PFCAs) were detected in more than 80% of the surface water samples. Perfluorobutanoic acid (PFBA) was the most prevalent compound and perfluorooctanoic acid (PFOA) was the second abundant homolog. The concentration of individual PFAAs in the surface seawater of East China Sea was much higher than other sampling seas. As the spatial distribution of PFAAs in the marine environment was mainly influenced by the river inflow from the basin countries, which proved the large input from China. Furthermore, the marginal seas of China were found with the greatest burden of PFOA comparing the pollution level in surface seawater worldwide. PFBA concentration in the surrounding seas of China was also high, but distributed more evenly with an obvious increase in recent years. This large-scale monitoring survey will help the improvement and development of PFAAs regulations and management, where production shift should be taken into consideration. (C) 2018 Elsevier Ltd. All rights reserved. Article in Journal/Newspaper Arctic Arctic Ocean Bering Sea Chukchi Chukchi Sea Research Center for Eco-Environmental Sciences: RCEES OpenIR (Chinese Academy of Sciences) Arctic Arctic Ocean Bering Sea Chukchi Sea Okhotsk Pacific |
institution |
Open Polar |
collection |
Research Center for Eco-Environmental Sciences: RCEES OpenIR (Chinese Academy of Sciences) |
op_collection_id |
ftchacadscircees |
language |
unknown |
topic |
PFAAs North Pacific ocean Arctic ocean Distribution PFBA Global variations |
spellingShingle |
PFAAs North Pacific ocean Arctic ocean Distribution PFBA Global variations Li, Lei Zheng, Hongyuan Wang, Tieyu Cai, Minghong Wang, Pei Perfluoroalkyl acids in surface seawater from the North Pacific to the Arctic Ocean Contamination, distribution and transportation |
topic_facet |
PFAAs North Pacific ocean Arctic ocean Distribution PFBA Global variations |
description |
The bioaccumulative, persistent and toxic properties of long-chain perfluoroalkyl acids (PFAAs) resulted in strict regulations on PFAAs, especially in developed countries. Consequently, the industry manufacturing of PFAAs shifts from long-chain to short-chain. In order to better understand the pollution situation of PFAAs in marine environment under this new circumstance, the occurrence of 17 linear PFAAs was investigated in 30 surface seawater samples from the North Pacific to Arctic Ocean (123 degrees E to 24 degrees W, 32 to 82 degrees N) during the sixth Chinese Arctic Expedition in 2014. Total concentrations of PFAAs (Sigma PFAAs) were between 346.9 pg per liter (pg/L) to 3045.3 pg/L. The average concentrations of Sigma PFAAs decreased in the order of East China Sea (2791.4 pg/L, n = 2), Sea of Japan (East Sea) (832.8 pg/L, n = 6), Arctic Ocean (516.9 pg/L, n = 7), Chukchi Sea (505.2 pg/L, n = 4), Bering Sea (501.2 pg/L, n = 8) and Sea of Okhotsk (417.7 pg/L, n = 3). C4 to C9 perfluoroalkyl carboxylic acids (PFCAs) were detected in more than 80% of the surface water samples. Perfluorobutanoic acid (PFBA) was the most prevalent compound and perfluorooctanoic acid (PFOA) was the second abundant homolog. The concentration of individual PFAAs in the surface seawater of East China Sea was much higher than other sampling seas. As the spatial distribution of PFAAs in the marine environment was mainly influenced by the river inflow from the basin countries, which proved the large input from China. Furthermore, the marginal seas of China were found with the greatest burden of PFOA comparing the pollution level in surface seawater worldwide. PFBA concentration in the surrounding seas of China was also high, but distributed more evenly with an obvious increase in recent years. This large-scale monitoring survey will help the improvement and development of PFAAs regulations and management, where production shift should be taken into consideration. (C) 2018 Elsevier Ltd. All rights reserved. |
format |
Article in Journal/Newspaper |
author |
Li, Lei Zheng, Hongyuan Wang, Tieyu Cai, Minghong Wang, Pei |
author_facet |
Li, Lei Zheng, Hongyuan Wang, Tieyu Cai, Minghong Wang, Pei |
author_sort |
Li, Lei |
title |
Perfluoroalkyl acids in surface seawater from the North Pacific to the Arctic Ocean Contamination, distribution and transportation |
title_short |
Perfluoroalkyl acids in surface seawater from the North Pacific to the Arctic Ocean Contamination, distribution and transportation |
title_full |
Perfluoroalkyl acids in surface seawater from the North Pacific to the Arctic Ocean Contamination, distribution and transportation |
title_fullStr |
Perfluoroalkyl acids in surface seawater from the North Pacific to the Arctic Ocean Contamination, distribution and transportation |
title_full_unstemmed |
Perfluoroalkyl acids in surface seawater from the North Pacific to the Arctic Ocean Contamination, distribution and transportation |
title_sort |
perfluoroalkyl acids in surface seawater from the north pacific to the arctic ocean contamination, distribution and transportation |
publishDate |
2018 |
url |
http://ir.rcees.ac.cn/handle/311016/40762 |
geographic |
Arctic Arctic Ocean Bering Sea Chukchi Sea Okhotsk Pacific |
geographic_facet |
Arctic Arctic Ocean Bering Sea Chukchi Sea Okhotsk Pacific |
genre |
Arctic Arctic Ocean Bering Sea Chukchi Chukchi Sea |
genre_facet |
Arctic Arctic Ocean Bering Sea Chukchi Chukchi Sea |
op_relation |
ENVIRONMENTAL POLLUTION http://ir.rcees.ac.cn/handle/311016/40762 |
op_rights |
cn.org.cspace.api.content.CopyrightPolicy@70e3c8f8 |
_version_ |
1768382276692869120 |