Determination of Hygroscopic Aerosol Growth Based on the OPC-N3 Counter
We present the first estimations of single hygroscopic parameter <semantics> κ </semantics> for Polish urban area. The results were obtained using an inexpensive OPC-N3 optical particulate matter counter and the ASC 1000 Acoem Aerosol Conditioning System. Our studies were carried out dur...
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2023
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ftdoajarticles:oai:doaj.org/article:73676678b2e24fefb1c11bd8a9e7690b 2024-02-27T08:43:32+00:00 Determination of Hygroscopic Aerosol Growth Based on the OPC-N3 Counter Katarzyna Nurowska Krzysztof M. Markowicz 2023-12-01T00:00:00Z https://doi.org/10.3390/atmos15010061 https://doaj.org/article/73676678b2e24fefb1c11bd8a9e7690b EN eng MDPI AG https://www.mdpi.com/2073-4433/15/1/61 https://doaj.org/toc/2073-4433 doi:10.3390/atmos15010061 2073-4433 https://doaj.org/article/73676678b2e24fefb1c11bd8a9e7690b Atmosphere, Vol 15, Iss 1, p 61 (2023) hygroscopic growth hygroscopic aerosol OPC-N3 ACS 1000 κ urban aerosol Meteorology. Climatology QC851-999 article 2023 ftdoajarticles https://doi.org/10.3390/atmos15010061 2024-01-28T01:46:27Z We present the first estimations of single hygroscopic parameter <semantics> κ </semantics> for Polish urban area. The results were obtained using an inexpensive OPC-N3 optical particulate matter counter and the ASC 1000 Acoem Aerosol Conditioning System. Our studies were carried out during the winter and spring seasons, between 2020 and 2022 in Warsaw, Poland. We study the difference of <semantics> κ </semantics> between these two seasons, as the aerosol has different origins. The mean value of the hygroscopicity parameter for spring (April–June) was <semantics> 0.13 ± 0.13 </semantics> and for winter (December-March) it was <semantics> 0.04 ± 0.04 </semantics> (obtained using PM <semantics> 1 </semantics> ). The mean value of the growth factor for spring (April–June) was <semantics> 1.52 ± 0.23 </semantics> and for winter (December–March) it was <semantics> 1.16 ± 0.13 </semantics> (obtained using PM <semantics> 1 </semantics> ). The values for winter period suggest that during the cold season the aerosol mixture in the atmosphere is dominated by non-hygroscopic particles. However events of higher <semantics> κ </semantics> > 0.5 where occurring (mostly for big aerosol particles 1–10 <semantics> μ </semantics> m in size), when the air mass was coming from North Atlantic carrying sea salt particles. Furthermore, based on <semantics> κ </semantics> we propose a method to remove the dependence of PM values on relative humidity on the OPC-N3 optical particulate counter. Article in Journal/Newspaper North Atlantic Directory of Open Access Journals: DOAJ Articles Atmosphere 15 1 61 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
hygroscopic growth hygroscopic aerosol OPC-N3 ACS 1000 κ urban aerosol Meteorology. Climatology QC851-999 |
spellingShingle |
hygroscopic growth hygroscopic aerosol OPC-N3 ACS 1000 κ urban aerosol Meteorology. Climatology QC851-999 Katarzyna Nurowska Krzysztof M. Markowicz Determination of Hygroscopic Aerosol Growth Based on the OPC-N3 Counter |
topic_facet |
hygroscopic growth hygroscopic aerosol OPC-N3 ACS 1000 κ urban aerosol Meteorology. Climatology QC851-999 |
description |
We present the first estimations of single hygroscopic parameter <semantics> κ </semantics> for Polish urban area. The results were obtained using an inexpensive OPC-N3 optical particulate matter counter and the ASC 1000 Acoem Aerosol Conditioning System. Our studies were carried out during the winter and spring seasons, between 2020 and 2022 in Warsaw, Poland. We study the difference of <semantics> κ </semantics> between these two seasons, as the aerosol has different origins. The mean value of the hygroscopicity parameter for spring (April–June) was <semantics> 0.13 ± 0.13 </semantics> and for winter (December-March) it was <semantics> 0.04 ± 0.04 </semantics> (obtained using PM <semantics> 1 </semantics> ). The mean value of the growth factor for spring (April–June) was <semantics> 1.52 ± 0.23 </semantics> and for winter (December–March) it was <semantics> 1.16 ± 0.13 </semantics> (obtained using PM <semantics> 1 </semantics> ). The values for winter period suggest that during the cold season the aerosol mixture in the atmosphere is dominated by non-hygroscopic particles. However events of higher <semantics> κ </semantics> > 0.5 where occurring (mostly for big aerosol particles 1–10 <semantics> μ </semantics> m in size), when the air mass was coming from North Atlantic carrying sea salt particles. Furthermore, based on <semantics> κ </semantics> we propose a method to remove the dependence of PM values on relative humidity on the OPC-N3 optical particulate counter. |
format |
Article in Journal/Newspaper |
author |
Katarzyna Nurowska Krzysztof M. Markowicz |
author_facet |
Katarzyna Nurowska Krzysztof M. Markowicz |
author_sort |
Katarzyna Nurowska |
title |
Determination of Hygroscopic Aerosol Growth Based on the OPC-N3 Counter |
title_short |
Determination of Hygroscopic Aerosol Growth Based on the OPC-N3 Counter |
title_full |
Determination of Hygroscopic Aerosol Growth Based on the OPC-N3 Counter |
title_fullStr |
Determination of Hygroscopic Aerosol Growth Based on the OPC-N3 Counter |
title_full_unstemmed |
Determination of Hygroscopic Aerosol Growth Based on the OPC-N3 Counter |
title_sort |
determination of hygroscopic aerosol growth based on the opc-n3 counter |
publisher |
MDPI AG |
publishDate |
2023 |
url |
https://doi.org/10.3390/atmos15010061 https://doaj.org/article/73676678b2e24fefb1c11bd8a9e7690b |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
Atmosphere, Vol 15, Iss 1, p 61 (2023) |
op_relation |
https://www.mdpi.com/2073-4433/15/1/61 https://doaj.org/toc/2073-4433 doi:10.3390/atmos15010061 2073-4433 https://doaj.org/article/73676678b2e24fefb1c11bd8a9e7690b |
op_doi |
https://doi.org/10.3390/atmos15010061 |
container_title |
Atmosphere |
container_volume |
15 |
container_issue |
1 |
container_start_page |
61 |
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1792051540061585408 |