Sources, Occurrence and Characteristics of Fluorescent Biological Aerosol Particles Measured Over the Pristine Southern Ocean
24 pages, 8 figures, supporting information https://doi.org/10.1029/2021JD034811.-- Data Availability Statement: The data set used in this study are available in (1) Antoine et al. (2019) available at https://doi.org/10.5281/zenodo.3406983; (2) Chen et al. (2019) available at https://doi.org/10.5281/zenodo.3559982; (3) Landwehr et al. (2020) available at https://doi.org/10.5281/zenodo.3836439; (4) Landwehr, Thurnherr et al. (2020) available at https://doi.org/10.5194/amt-13-3487-2020; (5) Schmale et al. (2019) available at https://doi.org/10.5281/zenodo.2636709; (6) Tatzelt et al. (2020) available at https://doi.org/10.5281/zenodo.3922147; (7) Thomalla et al., (2020) available at https://doi.org/10.5281/zenodo.3859515; (8) Thurnherr et al. (2020) available at https://doi.org/10.5281/zenodo.4031705; In addition, the fluorescent aerosol and gel–like POM measurements have been uploading as supplementary information supporting this article
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American Geophysical Union
2021-06
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| Online Access: | http://hdl.handle.net/10261/245632 http://dx.doi.org/10.13039/501100000781 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100000923 http://dx.doi.org/10.13039/501100000780 |
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24 pages, 8 figures, supporting information https://doi.org/10.1029/2021JD034811.-- Data Availability Statement: The data set used in this study are available in (1) Antoine et al. (2019) available at https://doi.org/10.5281/zenodo.3406983; (2) Chen et al. (2019) available at https://doi.org/10.5281/zenodo.3559982; (3) Landwehr et al. (2020) available at https://doi.org/10.5281/zenodo.3836439; (4) Landwehr, Thurnherr et al. (2020) available at https://doi.org/10.5194/amt-13-3487-2020; (5) Schmale et al. (2019) available at https://doi.org/10.5281/zenodo.2636709; (6) Tatzelt et al. (2020) available at https://doi.org/10.5281/zenodo.3922147; (7) Thomalla et al., (2020) available at https://doi.org/10.5281/zenodo.3859515; (8) Thurnherr et al. (2020) available at https://doi.org/10.5281/zenodo.4031705; In addition, the fluorescent aerosol and gel–like POM measurements have been uploading as supplementary information supporting this article |
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Swiss Polar Institute |
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Swiss Polar Institute Moallemi, Alireza Landwehr, Sebastian Robinson, Charlotte Mary Simó, Rafel Zamanillo Campos, Marina Chen, Gang Baccarini, Andrea Schnaiter, Martin Henning, Silvia Modini, Robin L. Gysel-Beer, Martin Schmale, Julia |
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Moallemi, Alireza Landwehr, Sebastian Robinson, Charlotte Mary Simó, Rafel Zamanillo Campos, Marina Chen, Gang Baccarini, Andrea Schnaiter, Martin Henning, Silvia Modini, Robin L. Gysel-Beer, Martin Schmale, Julia |
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Moallemi, Alireza Landwehr, Sebastian Robinson, Charlotte Mary Simó, Rafel Zamanillo Campos, Marina Chen, Gang Baccarini, Andrea Schnaiter, Martin Henning, Silvia Modini, Robin L. Gysel-Beer, Martin Schmale, Julia Sources, Occurrence and Characteristics of Fluorescent Biological Aerosol Particles Measured Over the Pristine Southern Ocean |
| author_sort |
Moallemi, Alireza |
| title |
Sources, Occurrence and Characteristics of Fluorescent Biological Aerosol Particles Measured Over the Pristine Southern Ocean |
| title_short |
Sources, Occurrence and Characteristics of Fluorescent Biological Aerosol Particles Measured Over the Pristine Southern Ocean |
| title_full |
Sources, Occurrence and Characteristics of Fluorescent Biological Aerosol Particles Measured Over the Pristine Southern Ocean |
| title_fullStr |
Sources, Occurrence and Characteristics of Fluorescent Biological Aerosol Particles Measured Over the Pristine Southern Ocean |
| title_full_unstemmed |
Sources, Occurrence and Characteristics of Fluorescent Biological Aerosol Particles Measured Over the Pristine Southern Ocean |
| title_sort |
sources, occurrence and characteristics of fluorescent biological aerosol particles measured over the pristine southern ocean |
| publisher |
American Geophysical Union |
| publishDate |
2021-06 |
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http://hdl.handle.net/10261/245632 http://dx.doi.org/10.13039/501100000781 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100000923 http://dx.doi.org/10.13039/501100000780 |
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dig-icm-es-10261-2456322021-12-28T15:48:34Z Sources, Occurrence and Characteristics of Fluorescent Biological Aerosol Particles Measured Over the Pristine Southern Ocean Moallemi, Alireza Landwehr, Sebastian Robinson, Charlotte Mary Simó, Rafel Zamanillo Campos, Marina Chen, Gang Baccarini, Andrea Schnaiter, Martin Henning, Silvia Modini, Robin L. Gysel-Beer, Martin Schmale, Julia Swiss Polar Institute European Commission Swiss National Science Foundation Swiss Data Science Center European Research Council Australian Research Council Agencia Estatal de Investigación (España) 24 pages, 8 figures, supporting information https://doi.org/10.1029/2021JD034811.-- Data Availability Statement: The data set used in this study are available in (1) Antoine et al. (2019) available at https://doi.org/10.5281/zenodo.3406983; (2) Chen et al. (2019) available at https://doi.org/10.5281/zenodo.3559982; (3) Landwehr et al. (2020) available at https://doi.org/10.5281/zenodo.3836439; (4) Landwehr, Thurnherr et al. (2020) available at https://doi.org/10.5194/amt-13-3487-2020; (5) Schmale et al. (2019) available at https://doi.org/10.5281/zenodo.2636709; (6) Tatzelt et al. (2020) available at https://doi.org/10.5281/zenodo.3922147; (7) Thomalla et al., (2020) available at https://doi.org/10.5281/zenodo.3859515; (8) Thurnherr et al. (2020) available at https://doi.org/10.5281/zenodo.4031705; In addition, the fluorescent aerosol and gel–like POM measurements have been uploading as supplementary information supporting this article In this study, we investigate the occurrence of primary biological aerosol particles (PBAP) over all sectors of the Southern Ocean (SO) based on a 90-day data set collected during the Antarctic Circumnavigation Expedition (ACE) in austral summer 2016–2017. Super-micrometer PBAP (1–16 µm diameter) were measured by a wide band integrated bioaerosol sensor (WIBS-4). Low (3σ) and high (9σ) fluorescence thresholds are used to obtain statistics on fluorescent and hyper-fluorescent PBAP, respectively. Our focus is on data obtained over the pristine ocean, that is, more than 200 km away from land. The results indicate that (hyper-)fluorescent PBAP are correlated to atmospheric variables associated with sea spray aerosol (SSA) particles (wind speed, total super-micrometer aerosol number concentration, chloride and sodium concentrations). This suggests that a main source of PBAP over the SO is SSA. The median percentage contribution of fluorescent and hyper-fluorescent PBAP to super-micrometer SSA was 1.6% and 0.13%, respectively. We demonstrate that the fraction of (hyper-)fluorescent PBAP to total super-micrometer particles positively correlates with concentrations of bacteria and several taxa of pythoplankton measured in seawater, indicating that marine biota concentrations modulate the PBAP source flux. We investigate the fluorescent properties of (hyper-)fluorescent PBAP for several events that occurred near land masses. We find that the fluorescence signal characteristics of particles near land is much more variable than over the pristine ocean. We conclude that the source and concentration of fluorescent PBAP over the open ocean is similar across all sampled sectors of the SO The authors acknowledge funding for ACE-SPACE, ACE-SORPASSO by the Swiss Polar Institute, and Ferring Pharmaceuticals. ACE-SPACE was carried out with additional support from the European FP7 project BACCHUS (Grant Agreement 49603445). Gang Chen received funding from the cost action of Chemical On-Line cOmpoSition and Source Apportionment of fine aerosol (COLOSSAL, CA16109), a COST related project of the Swiss National Science Foundation, Source apportionment using long-term Aerosol Mass Spectrometry and Aethalometer Measurements (SAMSAM, IZCOZ0_177063). Sebastian Landwehr received funding from the Swiss Data Science Center project c17-02. Andrea Baccarin received funding from the Swiss National Science Foundation (Grant 200021_169090). Julia Schmale holds the Ingvar Kamprad Chair. Martin Gysel-Beer received funding from the ERC under Grant ERC-CoG-615922-BLACARAT. Charlotte Robinson received funding from the Australian Research Council (Grand ARC DP160103387) With the funding support of the ‘Severo Ochoa Centre of Excellence’ accreditation (CEX2019-000928-S), of the Spanish Research Agency (AEI) Peer reviewed 2021-07-12T06:32:36Z 2021-07-12T06:32:36Z 2021-06 artículo http://purl.org/coar/resource_type/c_6501 Journal of Geophysical Research - Part D - Atmospheres 126(11): e2021JD034811 (2021) 2169-897X CEX2019-000928-S http://hdl.handle.net/10261/245632 10.1029/2021JD034811 2169-8996 http://dx.doi.org/10.13039/501100000781 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100000923 http://dx.doi.org/10.13039/501100000780 34221783 en #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/EC/FP7/603445 Publisher's version https://doi.org/10.1029/2021JD034811 Sí open American Geophysical Union |