Polycyclic aromatic hydrocarbons (PAHs) and oxy- and nitro-PAHs in ambient air of the Arctic town Longyearbyen, Svalbard
Polycyclic aromatic hydrocarbons (PAHs) are not declining in Arctic air despite reductions in their global emissions. In Svalbard, the Longyearbyen coal-fired power plant is considered to be one of the major local sources of PAHs. Power plant stack emissions and ambient air samples, collected simult...
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ftcopernicus:oai:publications.copernicus.org:acp83960 2023-05-15T13:05:38+02:00 Polycyclic aromatic hydrocarbons (PAHs) and oxy- and nitro-PAHs in ambient air of the Arctic town Longyearbyen, Svalbard Drotikova, Tatiana Ali, Aasim M. Halse, Anne Karine Reinardy, Helena C. Kallenborn, Roland 2020-08-27 application/pdf https://doi.org/10.5194/acp-20-9997-2020 https://acp.copernicus.org/articles/20/9997/2020/ eng eng doi:10.5194/acp-20-9997-2020 https://acp.copernicus.org/articles/20/9997/2020/ eISSN: 1680-7324 Text 2020 ftcopernicus https://doi.org/10.5194/acp-20-9997-2020 2020-08-31T16:22:12Z Polycyclic aromatic hydrocarbons (PAHs) are not declining in Arctic air despite reductions in their global emissions. In Svalbard, the Longyearbyen coal-fired power plant is considered to be one of the major local sources of PAHs. Power plant stack emissions and ambient air samples, collected simultaneously at 1 km (UNIS) and 6 km (Adventdalen) transect distance, were analysed (gaseous and particulate phases separately) for 22 nitro-PAHs, 8 oxy-PAHs, and 16 parent PAHs by gas chromatography in combination with single quadrupole electron capture negative ionization mass spectrometry (GC-ECNI-MS) and gas chromatography in combination with triple quadrupole electron ionization mass spectrometry (GC-EI-MS/MS). Results confirm low levels of PAH emissions ( ∑16 PAHs =1.5 µ g kg −1 coal) from the power plant. Phenanthrene, 9,10-anthraquinone, 9-fluorenone, fluorene, fluoranthene, and pyrene accounted for 85 % of the plant emission (not including naphthalene). A dilution effect was observed for the transect ambient air samples: 1.26±0.16 and 0.63±0.14 ng m −3 were the sum of all 47 PAH derivatives for UNIS and Adventdalen, respectively. The PAH profile was homogeneous for these recipient stations with phenanthrene and 9-fluorenone being most abundant. Multivariate statistical analysis confirmed coal combustion and vehicle and marine traffic as the predominant sources of PAHs. Secondary atmospheric formation of 9-nitroanthracene and 2+3 -nitrofluoranthene was evaluated and concluded. PAHs partitioning between gaseous and particulate phases showed a strong dependence on ambient temperatures and humidity. The present study contributes important data which can be utilized to eliminate uncertainties in model predictions that aim to assess the extent and impacts of Arctic atmospheric contaminants. Text Adventdalen Arctic Longyearbyen Svalbard UNIS Copernicus Publications: E-Journals Adventdalen ENVELOPE(16.264,16.264,78.181,78.181) Arctic Longyearbyen Svalbard Atmospheric Chemistry and Physics 20 16 9997 10014 |
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Open Polar |
collection |
Copernicus Publications: E-Journals |
op_collection_id |
ftcopernicus |
language |
English |
description |
Polycyclic aromatic hydrocarbons (PAHs) are not declining in Arctic air despite reductions in their global emissions. In Svalbard, the Longyearbyen coal-fired power plant is considered to be one of the major local sources of PAHs. Power plant stack emissions and ambient air samples, collected simultaneously at 1 km (UNIS) and 6 km (Adventdalen) transect distance, were analysed (gaseous and particulate phases separately) for 22 nitro-PAHs, 8 oxy-PAHs, and 16 parent PAHs by gas chromatography in combination with single quadrupole electron capture negative ionization mass spectrometry (GC-ECNI-MS) and gas chromatography in combination with triple quadrupole electron ionization mass spectrometry (GC-EI-MS/MS). Results confirm low levels of PAH emissions ( ∑16 PAHs =1.5 µ g kg −1 coal) from the power plant. Phenanthrene, 9,10-anthraquinone, 9-fluorenone, fluorene, fluoranthene, and pyrene accounted for 85 % of the plant emission (not including naphthalene). A dilution effect was observed for the transect ambient air samples: 1.26±0.16 and 0.63±0.14 ng m −3 were the sum of all 47 PAH derivatives for UNIS and Adventdalen, respectively. The PAH profile was homogeneous for these recipient stations with phenanthrene and 9-fluorenone being most abundant. Multivariate statistical analysis confirmed coal combustion and vehicle and marine traffic as the predominant sources of PAHs. Secondary atmospheric formation of 9-nitroanthracene and 2+3 -nitrofluoranthene was evaluated and concluded. PAHs partitioning between gaseous and particulate phases showed a strong dependence on ambient temperatures and humidity. The present study contributes important data which can be utilized to eliminate uncertainties in model predictions that aim to assess the extent and impacts of Arctic atmospheric contaminants. |
format |
Text |
author |
Drotikova, Tatiana Ali, Aasim M. Halse, Anne Karine Reinardy, Helena C. Kallenborn, Roland |
spellingShingle |
Drotikova, Tatiana Ali, Aasim M. Halse, Anne Karine Reinardy, Helena C. Kallenborn, Roland Polycyclic aromatic hydrocarbons (PAHs) and oxy- and nitro-PAHs in ambient air of the Arctic town Longyearbyen, Svalbard |
author_facet |
Drotikova, Tatiana Ali, Aasim M. Halse, Anne Karine Reinardy, Helena C. Kallenborn, Roland |
author_sort |
Drotikova, Tatiana |
title |
Polycyclic aromatic hydrocarbons (PAHs) and oxy- and nitro-PAHs in ambient air of the Arctic town Longyearbyen, Svalbard |
title_short |
Polycyclic aromatic hydrocarbons (PAHs) and oxy- and nitro-PAHs in ambient air of the Arctic town Longyearbyen, Svalbard |
title_full |
Polycyclic aromatic hydrocarbons (PAHs) and oxy- and nitro-PAHs in ambient air of the Arctic town Longyearbyen, Svalbard |
title_fullStr |
Polycyclic aromatic hydrocarbons (PAHs) and oxy- and nitro-PAHs in ambient air of the Arctic town Longyearbyen, Svalbard |
title_full_unstemmed |
Polycyclic aromatic hydrocarbons (PAHs) and oxy- and nitro-PAHs in ambient air of the Arctic town Longyearbyen, Svalbard |
title_sort |
polycyclic aromatic hydrocarbons (pahs) and oxy- and nitro-pahs in ambient air of the arctic town longyearbyen, svalbard |
publishDate |
2020 |
url |
https://doi.org/10.5194/acp-20-9997-2020 https://acp.copernicus.org/articles/20/9997/2020/ |
long_lat |
ENVELOPE(16.264,16.264,78.181,78.181) |
geographic |
Adventdalen Arctic Longyearbyen Svalbard |
geographic_facet |
Adventdalen Arctic Longyearbyen Svalbard |
genre |
Adventdalen Arctic Longyearbyen Svalbard UNIS |
genre_facet |
Adventdalen Arctic Longyearbyen Svalbard UNIS |
op_source |
eISSN: 1680-7324 |
op_relation |
doi:10.5194/acp-20-9997-2020 https://acp.copernicus.org/articles/20/9997/2020/ |
op_doi |
https://doi.org/10.5194/acp-20-9997-2020 |
container_title |
Atmospheric Chemistry and Physics |
container_volume |
20 |
container_issue |
16 |
container_start_page |
9997 |
op_container_end_page |
10014 |
_version_ |
1766389748089225216 |