Biogenic Aerosol in the Arctic from Eight Years of MSA Data from Ny Ålesund (Svalbard Islands) and Thule (Greenland)
In remote marine areas, biogenic productivity and atmospheric particulate are coupled through dimethylsulfide (DMS) emission by phytoplankton. Once in the atmosphere, the gaseous DMS is oxidized to produce H2SO4 and methanesulfonic acid (MSA); both species can affect the formation of cloud condensat...
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ftmdpi:oai:mdpi.com:/2073-4433/10/7/349/ 2023-08-20T04:04:06+02:00 Biogenic Aerosol in the Arctic from Eight Years of MSA Data from Ny Ålesund (Svalbard Islands) and Thule (Greenland) Silvia Becagli Alessandra Amore Laura Caiazzo Tatiana Di Iorio Alcide di Sarra Luigi Lazzara Christian Marchese Daniela Meloni Giovanna Mori Giovanni Muscari Caterina Nuccio Giandomenico Pace Mirko Severi Rita Traversi agris 2019-06-26 application/pdf https://doi.org/10.3390/atmos10070349 EN eng Multidisciplinary Digital Publishing Institute Biosphere/Hydrosphere/Land–Atmosphere Interactions https://dx.doi.org/10.3390/atmos10070349 https://creativecommons.org/licenses/by/4.0/ Atmosphere; Volume 10; Issue 7; Pages: 349 biogenic aerosol Arctic MSA sea ice extent marginal ice zone NAO Text 2019 ftmdpi https://doi.org/10.3390/atmos10070349 2023-07-31T22:23:12Z In remote marine areas, biogenic productivity and atmospheric particulate are coupled through dimethylsulfide (DMS) emission by phytoplankton. Once in the atmosphere, the gaseous DMS is oxidized to produce H2SO4 and methanesulfonic acid (MSA); both species can affect the formation of cloud condensation nuclei. This study analyses eight years of biogenic aerosol evolution and variability at two Arctic sites: Thule (76.5° N, 68.8° W) and Ny Ålesund (78.9° N, 11.9° E). Sea ice plays a key role in determining the MSA concentration in polar regions. At the beginning of the melting season, in April, up to June, the biogenic aerosol concentration appears inversely correlated with sea ice extent and area, and positively correlated with the extent of the ice-free area in the marginal ice zone (IF-MIZ). The upper ocean stratification induced by sea ice melting might have a role in these correlations, since the springtime formation of this surface layer regulates the accumulation of phytoplankton and nutrients, allowing the DMS to escape from the sea to the atmosphere. The multiyear analysis reveals a progressive decrease in MSA concentration in May at Thule and an increase in July August at Ny Ålesund. Therefore, while the MSA seasonal evolution is mainly related with the sea ice retreat in April, May, and June, the IF-MIZ extent appears as the main factor affecting the longer-term behavior of MSA. Text Arctic Greenland Ny Ålesund Ny-Ålesund Phytoplankton Sea ice Svalbard Thule MDPI Open Access Publishing Arctic Greenland Ny-Ålesund Svalbard Atmosphere 10 7 349 |
institution |
Open Polar |
collection |
MDPI Open Access Publishing |
op_collection_id |
ftmdpi |
language |
English |
topic |
biogenic aerosol Arctic MSA sea ice extent marginal ice zone NAO |
spellingShingle |
biogenic aerosol Arctic MSA sea ice extent marginal ice zone NAO Silvia Becagli Alessandra Amore Laura Caiazzo Tatiana Di Iorio Alcide di Sarra Luigi Lazzara Christian Marchese Daniela Meloni Giovanna Mori Giovanni Muscari Caterina Nuccio Giandomenico Pace Mirko Severi Rita Traversi Biogenic Aerosol in the Arctic from Eight Years of MSA Data from Ny Ålesund (Svalbard Islands) and Thule (Greenland) |
topic_facet |
biogenic aerosol Arctic MSA sea ice extent marginal ice zone NAO |
description |
In remote marine areas, biogenic productivity and atmospheric particulate are coupled through dimethylsulfide (DMS) emission by phytoplankton. Once in the atmosphere, the gaseous DMS is oxidized to produce H2SO4 and methanesulfonic acid (MSA); both species can affect the formation of cloud condensation nuclei. This study analyses eight years of biogenic aerosol evolution and variability at two Arctic sites: Thule (76.5° N, 68.8° W) and Ny Ålesund (78.9° N, 11.9° E). Sea ice plays a key role in determining the MSA concentration in polar regions. At the beginning of the melting season, in April, up to June, the biogenic aerosol concentration appears inversely correlated with sea ice extent and area, and positively correlated with the extent of the ice-free area in the marginal ice zone (IF-MIZ). The upper ocean stratification induced by sea ice melting might have a role in these correlations, since the springtime formation of this surface layer regulates the accumulation of phytoplankton and nutrients, allowing the DMS to escape from the sea to the atmosphere. The multiyear analysis reveals a progressive decrease in MSA concentration in May at Thule and an increase in July August at Ny Ålesund. Therefore, while the MSA seasonal evolution is mainly related with the sea ice retreat in April, May, and June, the IF-MIZ extent appears as the main factor affecting the longer-term behavior of MSA. |
format |
Text |
author |
Silvia Becagli Alessandra Amore Laura Caiazzo Tatiana Di Iorio Alcide di Sarra Luigi Lazzara Christian Marchese Daniela Meloni Giovanna Mori Giovanni Muscari Caterina Nuccio Giandomenico Pace Mirko Severi Rita Traversi |
author_facet |
Silvia Becagli Alessandra Amore Laura Caiazzo Tatiana Di Iorio Alcide di Sarra Luigi Lazzara Christian Marchese Daniela Meloni Giovanna Mori Giovanni Muscari Caterina Nuccio Giandomenico Pace Mirko Severi Rita Traversi |
author_sort |
Silvia Becagli |
title |
Biogenic Aerosol in the Arctic from Eight Years of MSA Data from Ny Ålesund (Svalbard Islands) and Thule (Greenland) |
title_short |
Biogenic Aerosol in the Arctic from Eight Years of MSA Data from Ny Ålesund (Svalbard Islands) and Thule (Greenland) |
title_full |
Biogenic Aerosol in the Arctic from Eight Years of MSA Data from Ny Ålesund (Svalbard Islands) and Thule (Greenland) |
title_fullStr |
Biogenic Aerosol in the Arctic from Eight Years of MSA Data from Ny Ålesund (Svalbard Islands) and Thule (Greenland) |
title_full_unstemmed |
Biogenic Aerosol in the Arctic from Eight Years of MSA Data from Ny Ålesund (Svalbard Islands) and Thule (Greenland) |
title_sort |
biogenic aerosol in the arctic from eight years of msa data from ny ålesund (svalbard islands) and thule (greenland) |
publisher |
Multidisciplinary Digital Publishing Institute |
publishDate |
2019 |
url |
https://doi.org/10.3390/atmos10070349 |
op_coverage |
agris |
geographic |
Arctic Greenland Ny-Ålesund Svalbard |
geographic_facet |
Arctic Greenland Ny-Ålesund Svalbard |
genre |
Arctic Greenland Ny Ålesund Ny-Ålesund Phytoplankton Sea ice Svalbard Thule |
genre_facet |
Arctic Greenland Ny Ålesund Ny-Ålesund Phytoplankton Sea ice Svalbard Thule |
op_source |
Atmosphere; Volume 10; Issue 7; Pages: 349 |
op_relation |
Biosphere/Hydrosphere/Land–Atmosphere Interactions https://dx.doi.org/10.3390/atmos10070349 |
op_rights |
https://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.3390/atmos10070349 |
container_title |
Atmosphere |
container_volume |
10 |
container_issue |
7 |
container_start_page |
349 |
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1774714517730623488 |