Leaching material from Antarctic seaweeds and penguin guano affects cloud-relevant aerosol production
Within the Southern Ocean, the greatest warming is occurring on the Antarctic Peninsula (AP) where clear cryospheric and biological consequences are being observed. Antarctic coastal systems harbour a high diversity of marine and terrestrial ecosystems heavily influenced by Antarctic seaweeds (benthonic macroalgae) and bird colonies (mainly penguins). Primary sea spray aerosols (SSA) formed by the outburst of bubbles via the sea-surface microlayer depend on the organic composition of the sea water surface. In order to gain insight into the influence of ocean biology and bio-geochemistry on atmospheric aerosol, we performed in situ laboratory aerosol bubble chamber experiments to study the effect of different leachates of biogenic material - obtained from common Antarctic seaweeds as well as penguin guano - on primary SSA. The addition of different leachate materials on a seawater sample showed a dichotomous effect depending on the leachate material added - either suppressing (up to 52%) or enhancing (22–88%) aerosol particle production. We found high ice nucleating particle number concentrations resulting from addition of guano leachate material. Given the evolution of upper marine polar coastal ecosystems in the AP, further studies on ocean-atmosphere coupling are needed in order to represent the currently poorly understood climate feedback processes.
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Elsevier
2022-07-20
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Subjects: | Sea spray aerosols, |
Online Access: | http://hdl.handle.net/10261/270832 http://dx.doi.org/10.13039/501100004837 http://dx.doi.org/10.13039/501100000662 http://dx.doi.org/10.13039/501100000270 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100001659 |
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dig-icm-es-10261-2708322022-11-04T12:47:33Z Leaching material from Antarctic seaweeds and penguin guano affects cloud-relevant aerosol production Dall'Osto, Manuel Sotomayor Garcia, Ana Cabrera-Brufau, Miguel Berdalet, Elisa Vaqué, Dolors Zeppenfeld, Sebastian Pinxteren, Manuela van Herrmann, Hartmut Wex, Heike Rinaldi, Matteo Paglione, Marco Beddows, D.C.S. Harrison, Roy M. Àvila, Conxita Martín-Martín, Rafael P. Park, Jiyeon Barbosa, Andrés Ministerio de Ciencia e Innovación (España) National Centre for Atmospheric Science (UK) Natural Environment Research Council (UK) German Research Foundation Agencia Estatal de Investigación (España) Sea spray aerosols Within the Southern Ocean, the greatest warming is occurring on the Antarctic Peninsula (AP) where clear cryospheric and biological consequences are being observed. Antarctic coastal systems harbour a high diversity of marine and terrestrial ecosystems heavily influenced by Antarctic seaweeds (benthonic macroalgae) and bird colonies (mainly penguins). Primary sea spray aerosols (SSA) formed by the outburst of bubbles via the sea-surface microlayer depend on the organic composition of the sea water surface. In order to gain insight into the influence of ocean biology and bio-geochemistry on atmospheric aerosol, we performed in situ laboratory aerosol bubble chamber experiments to study the effect of different leachates of biogenic material - obtained from common Antarctic seaweeds as well as penguin guano - on primary SSA. The addition of different leachate materials on a seawater sample showed a dichotomous effect depending on the leachate material added - either suppressing (up to 52%) or enhancing (22–88%) aerosol particle production. We found high ice nucleating particle number concentrations resulting from addition of guano leachate material. Given the evolution of upper marine polar coastal ecosystems in the AP, further studies on ocean-atmosphere coupling are needed in order to represent the currently poorly understood climate feedback processes. The study was further supported by the Spanish Ministry of Economy through project PI-ICE (no. CTM 2017–89117-R) and the Ramon y Cajal fellowship (no. RYC-2012-11922). This work acknowledges the ‘Severo Ochoa Centre of Excellence’ accreditation (CEX2019-000928-S). The National Centre for Atmospheric Science (NCAS) Birmingham group is funded by the UK Natural Environment Research Council. We gratefully acknowledge the funding by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation, Projektnummer 268020496–TRR 172) within the Transregional Collaborative Research Center “ArctiC Amplification: Climate Relevant Atmospheric and SurfaCe Processes, and Feedback Mechanisms (AC)3” in subproject B04. Peer reviewed 2022-05-30T08:40:07Z 2022-05-30T08:40:07Z 2022-07-20 artículo http://purl.org/coar/resource_type/c_6501 Science of the Total Environment 831: 154772 (2022) 0048-9697 CEX2019-000928-S http://hdl.handle.net/10261/270832 10.1016/j.scitotenv.2022.154772 1879-1026 http://dx.doi.org/10.13039/501100004837 http://dx.doi.org/10.13039/501100000662 http://dx.doi.org/10.13039/501100000270 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100001659 en #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CTM2017-89117-R/ES/INTERACTIONES ATMOSFERA-HIELO-OCEANO EN ZONAS POLARES: IMPACTO EN EL CLIMA Y LA ECOLOGIA/ Publisher's version https://doi.org/10.1016/j.scitotenv.2022.154772 Sí open Elsevier |
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Sea spray aerosols Sea spray aerosols |
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Sea spray aerosols Sea spray aerosols Dall'Osto, Manuel Sotomayor Garcia, Ana Cabrera-Brufau, Miguel Berdalet, Elisa Vaqué, Dolors Zeppenfeld, Sebastian Pinxteren, Manuela van Herrmann, Hartmut Wex, Heike Rinaldi, Matteo Paglione, Marco Beddows, D.C.S. Harrison, Roy M. Àvila, Conxita Martín-Martín, Rafael P. Park, Jiyeon Barbosa, Andrés Leaching material from Antarctic seaweeds and penguin guano affects cloud-relevant aerosol production |
description |
Within the Southern Ocean, the greatest warming is occurring on the Antarctic Peninsula (AP) where clear cryospheric and biological consequences are being observed. Antarctic coastal systems harbour a high diversity of marine and terrestrial ecosystems heavily influenced by Antarctic seaweeds (benthonic macroalgae) and bird colonies (mainly penguins). Primary sea spray aerosols (SSA) formed by the outburst of bubbles via the sea-surface microlayer depend on the organic composition of the sea water surface. In order to gain insight into the influence of ocean biology and bio-geochemistry on atmospheric aerosol, we performed in situ laboratory aerosol bubble chamber experiments to study the effect of different leachates of biogenic material - obtained from common Antarctic seaweeds as well as penguin guano - on primary SSA. The addition of different leachate materials on a seawater sample showed a dichotomous effect depending on the leachate material added - either suppressing (up to 52%) or enhancing (22–88%) aerosol particle production. We found high ice nucleating particle number concentrations resulting from addition of guano leachate material. Given the evolution of upper marine polar coastal ecosystems in the AP, further studies on ocean-atmosphere coupling are needed in order to represent the currently poorly understood climate feedback processes. |
author2 |
Ministerio de Ciencia e Innovación (España) |
author_facet |
Ministerio de Ciencia e Innovación (España) Dall'Osto, Manuel Sotomayor Garcia, Ana Cabrera-Brufau, Miguel Berdalet, Elisa Vaqué, Dolors Zeppenfeld, Sebastian Pinxteren, Manuela van Herrmann, Hartmut Wex, Heike Rinaldi, Matteo Paglione, Marco Beddows, D.C.S. Harrison, Roy M. Àvila, Conxita Martín-Martín, Rafael P. Park, Jiyeon Barbosa, Andrés |
format |
artículo |
topic_facet |
Sea spray aerosols |
author |
Dall'Osto, Manuel Sotomayor Garcia, Ana Cabrera-Brufau, Miguel Berdalet, Elisa Vaqué, Dolors Zeppenfeld, Sebastian Pinxteren, Manuela van Herrmann, Hartmut Wex, Heike Rinaldi, Matteo Paglione, Marco Beddows, D.C.S. Harrison, Roy M. Àvila, Conxita Martín-Martín, Rafael P. Park, Jiyeon Barbosa, Andrés |
author_sort |
Dall'Osto, Manuel |
title |
Leaching material from Antarctic seaweeds and penguin guano affects cloud-relevant aerosol production |
title_short |
Leaching material from Antarctic seaweeds and penguin guano affects cloud-relevant aerosol production |
title_full |
Leaching material from Antarctic seaweeds and penguin guano affects cloud-relevant aerosol production |
title_fullStr |
Leaching material from Antarctic seaweeds and penguin guano affects cloud-relevant aerosol production |
title_full_unstemmed |
Leaching material from Antarctic seaweeds and penguin guano affects cloud-relevant aerosol production |
title_sort |
leaching material from antarctic seaweeds and penguin guano affects cloud-relevant aerosol production |
publisher |
Elsevier |
publishDate |
2022-07-20 |
url |
http://hdl.handle.net/10261/270832 http://dx.doi.org/10.13039/501100004837 http://dx.doi.org/10.13039/501100000662 http://dx.doi.org/10.13039/501100000270 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100001659 |
work_keys_str_mv |
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