Aerosol properties associated with air masses arriving into the North East Atlantic during the 2008 Mace Head EUCAARI intensive observing period: an overview
As part of the EUCAARI Intensive Observing Period, a 4-week campaign to measure aerosol physical, chemical and optical properties, atmospheric structure, and cloud microphysics was conducted from mid-May to mid-June, 2008 at the Mace Head Atmospheric Research Station, located at the interface of Wes...
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Language: | English |
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ftunivcollcork:oai:cora.ucc.ie:10468/2952 2023-08-27T04:08:16+02:00 Aerosol properties associated with air masses arriving into the North East Atlantic during the 2008 Mace Head EUCAARI intensive observing period: an overview Dall'Osto, M. Ceburnis, D. Martucci, G. Bialek, J. Dupuy, R. Jennings, S. G. Berresheim, H. Wenger, John C. Healy, Robert M. Facchini, M. C. Rinaldi, M. Giulianelli, L. Finessi, E. Worsnop, D. Ehn, M. Mikkila, J. Kulmala, Markku O'Dowd, Colin D. 2010-09-07 application/pdf http://hdl.handle.net/10468/2952 https://doi.org/10.5194/acp-10-8413-2010 en eng Copernicus Publications on behalf of the European Geosciences Union (EGU) Dall'Osto, M., Ceburnis, D., Martucci, G., Bialek, J., Dupuy, R., Jennings, S.G., Berresheim, H., Wenger, J., Healy, R., Facchini, M.C., Rinaldi, M., Giulianelli, L., Finessi, E., Worsnop, D., Ehn, M., Mikkilä, J., Kulmala, M., and O'Dowd, C.D. (2010) ‘Aerosol properties associated with air masses arriving into the North East Atlantic during the 2008 Mace Head EUCAARI intensive observing period: an overview’, Atmospheric Chemistry and Physics, 10, pp. 8413-8435. doi:10.5194/acp-10-8413-2010 doi:10.5194/acp-10-8413-2010 8435 1680-7316 Atmospheric Chemistry and Physics 8413 http://hdl.handle.net/10468/2952 10 © 2010, the Authors. This work is distributed under the Creative Commons Attribution 3.0 License. https://creativecommons.org/licenses/by/3.0/ Marine boundary layer Differential mobility analyzer Sea-salt sulfate Chemical characterization Hygroscopic properties Airborne particles Pacific Ocean Source apportionment Coastal environment Relative importance Article (peer-reviewed) 2010 ftunivcollcork https://doi.org/10.5194/acp-10-8413-2010 2023-08-06T14:29:41Z As part of the EUCAARI Intensive Observing Period, a 4-week campaign to measure aerosol physical, chemical and optical properties, atmospheric structure, and cloud microphysics was conducted from mid-May to mid-June, 2008 at the Mace Head Atmospheric Research Station, located at the interface of Western Europe and the N. E. Atlantic and centered on the west Irish coastline. During the campaign, continental air masses comprising both young and aged continental plumes were encountered, along with polar, Arctic and tropical air masses. Polluted-continental aerosol concentrations were of the order of 3000 cm(-3), while background marine air aerosol concentrations were between 400-600 cm(-3). The highest marine air concentrations occurred in polar air masses in which a 15 nm nucleation mode, with concentration of 1100 cm(-3), was observed and attributed to open ocean particle formation. Continental air submicron chemical composition (excluding refractory sea salt) was dominated by organic matter, closely followed by sulphate mass. Although the concentrations and size distribution spectral shape were almost identical for the young and aged continental cases, hygroscopic growth factors (GF) and cloud condensation nuclei (CCN) to total condensation nuclei (CN) concentration ratios were significantly less in the younger pollution plume, indicating a more oxidized organic component to the aged continental plume. The difference in chemical composition and hygroscopic growth factor appear to result in a 40-50% impact on aerosol scattering coefficients and Aerosol Optical Depth, despite almost identical aerosol microphysical properties in both cases, with the higher values been recorded for the more aged case. For the CCN/CN ratio, the highest ratios were seen in the more age plume. In marine air, sulphate mass dominated the sub-micron component, followed by water soluble organic carbon, which, in turn, was dominated by methanesulphonic acid (MSA). Sulphate concentrations were highest in marine tropical air - even higher ... Article in Journal/Newspaper Arctic North East Atlantic University College Cork, Ireland: Cork Open Research Archive (CORA) Arctic Pacific Mace ENVELOPE(155.883,155.883,-81.417,-81.417) Atmospheric Chemistry and Physics 10 17 8413 8435 |
institution |
Open Polar |
collection |
University College Cork, Ireland: Cork Open Research Archive (CORA) |
op_collection_id |
ftunivcollcork |
language |
English |
topic |
Marine boundary layer Differential mobility analyzer Sea-salt sulfate Chemical characterization Hygroscopic properties Airborne particles Pacific Ocean Source apportionment Coastal environment Relative importance |
spellingShingle |
Marine boundary layer Differential mobility analyzer Sea-salt sulfate Chemical characterization Hygroscopic properties Airborne particles Pacific Ocean Source apportionment Coastal environment Relative importance Dall'Osto, M. Ceburnis, D. Martucci, G. Bialek, J. Dupuy, R. Jennings, S. G. Berresheim, H. Wenger, John C. Healy, Robert M. Facchini, M. C. Rinaldi, M. Giulianelli, L. Finessi, E. Worsnop, D. Ehn, M. Mikkila, J. Kulmala, Markku O'Dowd, Colin D. Aerosol properties associated with air masses arriving into the North East Atlantic during the 2008 Mace Head EUCAARI intensive observing period: an overview |
topic_facet |
Marine boundary layer Differential mobility analyzer Sea-salt sulfate Chemical characterization Hygroscopic properties Airborne particles Pacific Ocean Source apportionment Coastal environment Relative importance |
description |
As part of the EUCAARI Intensive Observing Period, a 4-week campaign to measure aerosol physical, chemical and optical properties, atmospheric structure, and cloud microphysics was conducted from mid-May to mid-June, 2008 at the Mace Head Atmospheric Research Station, located at the interface of Western Europe and the N. E. Atlantic and centered on the west Irish coastline. During the campaign, continental air masses comprising both young and aged continental plumes were encountered, along with polar, Arctic and tropical air masses. Polluted-continental aerosol concentrations were of the order of 3000 cm(-3), while background marine air aerosol concentrations were between 400-600 cm(-3). The highest marine air concentrations occurred in polar air masses in which a 15 nm nucleation mode, with concentration of 1100 cm(-3), was observed and attributed to open ocean particle formation. Continental air submicron chemical composition (excluding refractory sea salt) was dominated by organic matter, closely followed by sulphate mass. Although the concentrations and size distribution spectral shape were almost identical for the young and aged continental cases, hygroscopic growth factors (GF) and cloud condensation nuclei (CCN) to total condensation nuclei (CN) concentration ratios were significantly less in the younger pollution plume, indicating a more oxidized organic component to the aged continental plume. The difference in chemical composition and hygroscopic growth factor appear to result in a 40-50% impact on aerosol scattering coefficients and Aerosol Optical Depth, despite almost identical aerosol microphysical properties in both cases, with the higher values been recorded for the more aged case. For the CCN/CN ratio, the highest ratios were seen in the more age plume. In marine air, sulphate mass dominated the sub-micron component, followed by water soluble organic carbon, which, in turn, was dominated by methanesulphonic acid (MSA). Sulphate concentrations were highest in marine tropical air - even higher ... |
format |
Article in Journal/Newspaper |
author |
Dall'Osto, M. Ceburnis, D. Martucci, G. Bialek, J. Dupuy, R. Jennings, S. G. Berresheim, H. Wenger, John C. Healy, Robert M. Facchini, M. C. Rinaldi, M. Giulianelli, L. Finessi, E. Worsnop, D. Ehn, M. Mikkila, J. Kulmala, Markku O'Dowd, Colin D. |
author_facet |
Dall'Osto, M. Ceburnis, D. Martucci, G. Bialek, J. Dupuy, R. Jennings, S. G. Berresheim, H. Wenger, John C. Healy, Robert M. Facchini, M. C. Rinaldi, M. Giulianelli, L. Finessi, E. Worsnop, D. Ehn, M. Mikkila, J. Kulmala, Markku O'Dowd, Colin D. |
author_sort |
Dall'Osto, M. |
title |
Aerosol properties associated with air masses arriving into the North East Atlantic during the 2008 Mace Head EUCAARI intensive observing period: an overview |
title_short |
Aerosol properties associated with air masses arriving into the North East Atlantic during the 2008 Mace Head EUCAARI intensive observing period: an overview |
title_full |
Aerosol properties associated with air masses arriving into the North East Atlantic during the 2008 Mace Head EUCAARI intensive observing period: an overview |
title_fullStr |
Aerosol properties associated with air masses arriving into the North East Atlantic during the 2008 Mace Head EUCAARI intensive observing period: an overview |
title_full_unstemmed |
Aerosol properties associated with air masses arriving into the North East Atlantic during the 2008 Mace Head EUCAARI intensive observing period: an overview |
title_sort |
aerosol properties associated with air masses arriving into the north east atlantic during the 2008 mace head eucaari intensive observing period: an overview |
publisher |
Copernicus Publications on behalf of the European Geosciences Union (EGU) |
publishDate |
2010 |
url |
http://hdl.handle.net/10468/2952 https://doi.org/10.5194/acp-10-8413-2010 |
long_lat |
ENVELOPE(155.883,155.883,-81.417,-81.417) |
geographic |
Arctic Pacific Mace |
geographic_facet |
Arctic Pacific Mace |
genre |
Arctic North East Atlantic |
genre_facet |
Arctic North East Atlantic |
op_relation |
Dall'Osto, M., Ceburnis, D., Martucci, G., Bialek, J., Dupuy, R., Jennings, S.G., Berresheim, H., Wenger, J., Healy, R., Facchini, M.C., Rinaldi, M., Giulianelli, L., Finessi, E., Worsnop, D., Ehn, M., Mikkilä, J., Kulmala, M., and O'Dowd, C.D. (2010) ‘Aerosol properties associated with air masses arriving into the North East Atlantic during the 2008 Mace Head EUCAARI intensive observing period: an overview’, Atmospheric Chemistry and Physics, 10, pp. 8413-8435. doi:10.5194/acp-10-8413-2010 doi:10.5194/acp-10-8413-2010 8435 1680-7316 Atmospheric Chemistry and Physics 8413 http://hdl.handle.net/10468/2952 10 |
op_rights |
© 2010, the Authors. This work is distributed under the Creative Commons Attribution 3.0 License. https://creativecommons.org/licenses/by/3.0/ |
op_doi |
https://doi.org/10.5194/acp-10-8413-2010 |
container_title |
Atmospheric Chemistry and Physics |
container_volume |
10 |
container_issue |
17 |
container_start_page |
8413 |
op_container_end_page |
8435 |
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1775348970996891648 |