Zhao, Zhen; Xie, Zhiyong; Tang, Jianhui; Zhang, Gan; Ebinghaus, Ralf (2015): Perfluoroalkyl acids in surface sediments of the German Bight in 2011 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.880151, Supplement to: Zhao, Z et al. (2015): Spatial distribution of perfluoroalkyl acids in surface sediments of the German Bight, North Sea. Science of the Total Environment, 511, 145-152, https://doi.org/10.1016/j.scitotenv.2014.12.063
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Published: 2015 (exact date unknown) • DOI registered: 2017-09-26
Abstract:
Perfluoroalkyl acids (PFAAs) have been determined in the environment globally. However, studies on the occurrence of PFAAs in marine sediment remain limited. In this study, 16 PFAAs are investigated in surface sediments from the German Bight, which provided a good overview of the spatial distribution. The concentrations of Sum PFAAs ranged from 0.056 to 7.4 ng/g dry weight. The highest concentration was found at the estuary of the River Ems, which might be the result of local discharge source. Perfluorooctane sulfonic acid (PFOS) was the dominant compound and the enrichment of PFOS in sediment might be strongly related to the compound structure itself. The geographical condition of the German Bight influenced the movement of water and sediment, resulting in complex distribution. Following normalization according to total organic carbon (TOC) content, PFAA distributions showed a different picture. Significant linear relationships were found between total PFAA concentrations and TOC (R**2 = 0.50, p b 0.01). Compared with a previous study conducted in the same area, a declining trend was presented for the concentrations of PFOS and perfluorooctanoic acid (PFOA). Compound structure, geographical condition, and organic carbon in the sediment influence the distribution of PFAAs in the German Bight. Environmental risk assessment indicated that the risk from PFOA is negligible, whereas PFOS in marine sediment may present a risk for benthic organisms in the German Bight.
Project(s):
Coverage:
Median Latitude: 53.987512 * Median Longitude: 8.382744 * South-bound Latitude: 53.398518 * West-bound Longitude: 7.048566 * North-bound Latitude: 54.782162 * East-bound Longitude: 9.794550
Date/Time Start: 2011-02-17T00:00:00 * Date/Time End: 2011-05-05T00:00:00
Minimum DEPTH, sediment/rock: 0 m * Maximum DEPTH, sediment/rock: 0 m
Event(s):
Comment:
Surface sediment sampling from 0-5 cm.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Xie, Zhiyong | |||
| 2 | Latitude of event | Latitude | Xie, Zhiyong | |||
| 3 | Longitude of event | Longitude | Xie, Zhiyong | |||
| 4 | Date/Time of event | Date/Time | Xie, Zhiyong | |||
| 5 | DEPTH, sediment/rock | Depth sed | m | Xie, Zhiyong | Geocode | |
| 6 | Carbon, organic, total | TOC | % | Xie, Zhiyong | Element analyser CHN | in total sediment |
| 7 | Perfluorobutane sulfonic acid | PFBS | ng/g | Xie, Zhiyong | High-performance liquid chromatography electrospray ionization-tandemmass spectrometry system (HPLC-ESI-MS/MS) | in total sediment, per dry weight |
| 8 | Perfluorohexane sulfonic acid | PFHxS | ng/g | Xie, Zhiyong | High-performance liquid chromatography electrospray ionization-tandemmass spectrometry system (HPLC-ESI-MS/MS) | in total sediment, per dry weight |
| 9 | Perfluoroheptane sulfonic acid | PFHpS | ng/g | Xie, Zhiyong | High-performance liquid chromatography electrospray ionization-tandemmass spectrometry system (HPLC-ESI-MS/MS) | in total sediment, per dry weight |
| 10 | Perfluorooctane sulfonic acid | PFOS | ng/g | Xie, Zhiyong | High-performance liquid chromatography electrospray ionization-tandemmass spectrometry system (HPLC-ESI-MS/MS) | in total sediment, per dry weight |
| 11 | Henicosalfluorodecane sulfonic acid | PFDS | ng/g | Xie, Zhiyong | High-performance liquid chromatography electrospray ionization-tandemmass spectrometry system (HPLC-ESI-MS/MS) | in total sediment, per dry weight |
| 12 | Perfluoroocatane sulfonamide | FOSA | ng/g | Xie, Zhiyong | High-performance liquid chromatography electrospray ionization-tandemmass spectrometry system (HPLC-ESI-MS/MS) | in total sediment, per dry weight |
| 13 | Perfluoropentanoic acid | PFPeA | ng/g | Xie, Zhiyong | High-performance liquid chromatography electrospray ionization-tandemmass spectrometry system (HPLC-ESI-MS/MS) | in total sediment, per dry weight |
| 14 | Perfluorohexanoic acid | PFHxA | ng/g | Xie, Zhiyong | High-performance liquid chromatography electrospray ionization-tandemmass spectrometry system (HPLC-ESI-MS/MS) | in total sediment, per dry weight |
| 15 | Perfluoroheptanoic acid | PFHpA | ng/g | Xie, Zhiyong | High-performance liquid chromatography electrospray ionization-tandemmass spectrometry system (HPLC-ESI-MS/MS) | in total sediment, per dry weight |
| 16 | Perfluorooctanoic acid | PFOA | ng/g | Xie, Zhiyong | High-performance liquid chromatography electrospray ionization-tandemmass spectrometry system (HPLC-ESI-MS/MS) | in total sediment, per dry weight |
| 17 | Perfluorononanoic acid | PFNA | ng/g | Xie, Zhiyong | High-performance liquid chromatography electrospray ionization-tandemmass spectrometry system (HPLC-ESI-MS/MS) | in total sediment, per dry weight |
| 18 | Perfluorodecanoic acid | PFDA | ng/g | Xie, Zhiyong | High-performance liquid chromatography electrospray ionization-tandemmass spectrometry system (HPLC-ESI-MS/MS) | in total sediment, per dry weight |
| 19 | Perfluoroundecanoic acid | PFUnDA | ng/g | Xie, Zhiyong | High-performance liquid chromatography electrospray ionization-tandemmass spectrometry system (HPLC-ESI-MS/MS) | in total sediment, per dry weight |
| 20 | Perfluorododecanoic acid | PFDoDA | ng/g | Xie, Zhiyong | High-performance liquid chromatography electrospray ionization-tandemmass spectrometry system (HPLC-ESI-MS/MS) | in total sediment, per dry weight |
| 21 | Perfluorotridecanoic acid | PFTrDA | ng/g | Xie, Zhiyong | High-performance liquid chromatography electrospray ionization-tandemmass spectrometry system (HPLC-ESI-MS/MS) | in total sediment, per dry weight |
| 22 | Perfluorotetradecanoic acid | PFTeDA | ng/g | Xie, Zhiyong | High-performance liquid chromatography electrospray ionization-tandemmass spectrometry system (HPLC-ESI-MS/MS) | in total sediment, per dry weight |
| 23 | Sum perfluorosulfonic acids | SumPFSAs | ng/g | Xie, Zhiyong | High-performance liquid chromatography electrospray ionization-tandemmass spectrometry system (HPLC-ESI-MS/MS) | in total sediment, per dry weight |
| 24 | Sum perfluorinated carboxylic acids | SumPFCAs | ng/g | Xie, Zhiyong | High-performance liquid chromatography electrospray ionization-tandemmass spectrometry system (HPLC-ESI-MS/MS) | in total sediment, per dry weight |
| 25 | Sum perfluorinated alkylated substances | SumPFASs | ng/g | Xie, Zhiyong | High-performance liquid chromatography electrospray ionization-tandemmass spectrometry system (HPLC-ESI-MS/MS) | in total sediment, per dry weight |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
480 data points
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