Organic coating on sulfate and soot particles during late summer in the Svalbard Archipelago
14 pages, 8 figures, 1 table, supplement https://doi.org/10.5194/acp-19-10433-2019 Interaction of anthropogenic particles with radiation and clouds plays an important role in Arctic climate change. The mixing state of aerosols is a key parameter to influence aerosol radiation and aerosol–cloud inter...
Published in: | Atmospheric Chemistry and Physics |
---|---|
Main Authors: | , , , , , , , , , |
Other Authors: | , |
Format: | Article in Journal/Newspaper |
Language: | unknown |
Published: |
European Geosciences Union
2019
|
Subjects: | |
Online Access: | http://hdl.handle.net/10261/190641 https://doi.org/10.5194/acp-19-10433-2019 https://doi.org/10.13039/501100001809 |
id |
ftcsic:oai:digital.csic.es:10261/190641 |
---|---|
record_format |
openpolar |
spelling |
ftcsic:oai:digital.csic.es:10261/190641 2024-02-11T10:00:51+01:00 Organic coating on sulfate and soot particles during late summer in the Svalbard Archipelago Yu, Hua Li, Weijun Zhang, Yangmei Tunved, Peter Dall'Osto, Manuel Shen, Xiaojing Sun, Junying Zhang, Xiaoye Zhang, Jianchao Shi, Zongbo National Natural Science Foundation of China Zhejiang Ocean University 2019-08 http://hdl.handle.net/10261/190641 https://doi.org/10.5194/acp-19-10433-2019 https://doi.org/10.13039/501100001809 unknown European Geosciences Union Publisher's version https://doi.org/10.5194/acp-19-10433-2019 Sí doi:10.5194/acp-19-10433-2019 issn: 1680-7316 e-issn: 1680-7324 Atmospheric Chemistry and Physics 19: 10433-10446 (2019)) http://hdl.handle.net/10261/190641 http://dx.doi.org/10.13039/501100001809 open artículo http://purl.org/coar/resource_type/c_6501 2019 ftcsic https://doi.org/10.5194/acp-19-10433-201910.13039/501100001809 2024-01-16T10:43:39Z 14 pages, 8 figures, 1 table, supplement https://doi.org/10.5194/acp-19-10433-2019 Interaction of anthropogenic particles with radiation and clouds plays an important role in Arctic climate change. The mixing state of aerosols is a key parameter to influence aerosol radiation and aerosol–cloud interactions. However, little is known of this parameter in the Arctic, preventing an accurate representation of this information in global models. Here we used transmission electron microscopy with energy-dispersive X-ray spectrometry, scanning electron microscopy, nanoscale secondary ion mass spectrometry, and atomic forces microscopy to determine the size and mixing state of individual sulfate and carbonaceous particles at 100 nm to 2 µm collected in the Svalbard Archipelago in summer. We found that 74 % by number of non-sea-salt sulfate particles were coated with organic matter (OM); 20 % of sulfate particles also had soot inclusions which only appeared in the OM coating. The OM coating is estimated to contribute 63 % of the particle volume on average. To understand how OM coating influences optical properties of sulfate particles, a Mie core–shell model was applied to calculate optical properties of individual sulfate particles. Our result shows that the absorption cross section of individual OM-coated particles significantly increased when assuming the OM coating as light-absorbing brown carbon. Microscopic observations here suggest that OM modulates the mixing structure of fine Arctic sulfate particles, which may determine their hygroscopicity and optical properties This work was funded by the National Natural Science Foundation of China (41622504, 41575116, 31700475) and the Hundred Talents Program in Zhejiang University. Zongbo Shi acknowledges funding from NERC (NE/S00579X/1) Peer Reviewed Article in Journal/Newspaper Arctic Climate change Svalbard Digital.CSIC (Spanish National Research Council) Arctic Svalbard Svalbard Archipelago Atmospheric Chemistry and Physics 19 15 10433 10446 |
institution |
Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
unknown |
description |
14 pages, 8 figures, 1 table, supplement https://doi.org/10.5194/acp-19-10433-2019 Interaction of anthropogenic particles with radiation and clouds plays an important role in Arctic climate change. The mixing state of aerosols is a key parameter to influence aerosol radiation and aerosol–cloud interactions. However, little is known of this parameter in the Arctic, preventing an accurate representation of this information in global models. Here we used transmission electron microscopy with energy-dispersive X-ray spectrometry, scanning electron microscopy, nanoscale secondary ion mass spectrometry, and atomic forces microscopy to determine the size and mixing state of individual sulfate and carbonaceous particles at 100 nm to 2 µm collected in the Svalbard Archipelago in summer. We found that 74 % by number of non-sea-salt sulfate particles were coated with organic matter (OM); 20 % of sulfate particles also had soot inclusions which only appeared in the OM coating. The OM coating is estimated to contribute 63 % of the particle volume on average. To understand how OM coating influences optical properties of sulfate particles, a Mie core–shell model was applied to calculate optical properties of individual sulfate particles. Our result shows that the absorption cross section of individual OM-coated particles significantly increased when assuming the OM coating as light-absorbing brown carbon. Microscopic observations here suggest that OM modulates the mixing structure of fine Arctic sulfate particles, which may determine their hygroscopicity and optical properties This work was funded by the National Natural Science Foundation of China (41622504, 41575116, 31700475) and the Hundred Talents Program in Zhejiang University. Zongbo Shi acknowledges funding from NERC (NE/S00579X/1) Peer Reviewed |
author2 |
National Natural Science Foundation of China Zhejiang Ocean University |
format |
Article in Journal/Newspaper |
author |
Yu, Hua Li, Weijun Zhang, Yangmei Tunved, Peter Dall'Osto, Manuel Shen, Xiaojing Sun, Junying Zhang, Xiaoye Zhang, Jianchao Shi, Zongbo |
spellingShingle |
Yu, Hua Li, Weijun Zhang, Yangmei Tunved, Peter Dall'Osto, Manuel Shen, Xiaojing Sun, Junying Zhang, Xiaoye Zhang, Jianchao Shi, Zongbo Organic coating on sulfate and soot particles during late summer in the Svalbard Archipelago |
author_facet |
Yu, Hua Li, Weijun Zhang, Yangmei Tunved, Peter Dall'Osto, Manuel Shen, Xiaojing Sun, Junying Zhang, Xiaoye Zhang, Jianchao Shi, Zongbo |
author_sort |
Yu, Hua |
title |
Organic coating on sulfate and soot particles during late summer in the Svalbard Archipelago |
title_short |
Organic coating on sulfate and soot particles during late summer in the Svalbard Archipelago |
title_full |
Organic coating on sulfate and soot particles during late summer in the Svalbard Archipelago |
title_fullStr |
Organic coating on sulfate and soot particles during late summer in the Svalbard Archipelago |
title_full_unstemmed |
Organic coating on sulfate and soot particles during late summer in the Svalbard Archipelago |
title_sort |
organic coating on sulfate and soot particles during late summer in the svalbard archipelago |
publisher |
European Geosciences Union |
publishDate |
2019 |
url |
http://hdl.handle.net/10261/190641 https://doi.org/10.5194/acp-19-10433-2019 https://doi.org/10.13039/501100001809 |
geographic |
Arctic Svalbard Svalbard Archipelago |
geographic_facet |
Arctic Svalbard Svalbard Archipelago |
genre |
Arctic Climate change Svalbard |
genre_facet |
Arctic Climate change Svalbard |
op_relation |
Publisher's version https://doi.org/10.5194/acp-19-10433-2019 Sí doi:10.5194/acp-19-10433-2019 issn: 1680-7316 e-issn: 1680-7324 Atmospheric Chemistry and Physics 19: 10433-10446 (2019)) http://hdl.handle.net/10261/190641 http://dx.doi.org/10.13039/501100001809 |
op_rights |
open |
op_doi |
https://doi.org/10.5194/acp-19-10433-201910.13039/501100001809 |
container_title |
Atmospheric Chemistry and Physics |
container_volume |
19 |
container_issue |
15 |
container_start_page |
10433 |
op_container_end_page |
10446 |
_version_ |
1790596575004721152 |