Source, timing and dynamics of ionic species mobility in the Svalbard annual snowpack
Nearly all ice core archives from the Arctic and middle latitudes (such as the Alps), apart from some very high elevation sites in Greenland and the North Pacific, are strongly influenced by melting processes. The increases in the average Arctic temperature has enhanced surface snow melting even of...
Published in: | Science of The Total Environment |
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Online Access: | http://hdl.handle.net/11391/1476740 https://doi.org/10.1016/j.scitotenv.2020.141640 |
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ftuniperugiairis:oai:research.unipg.it:11391/1476740 2024-02-11T10:00:42+01:00 Source, timing and dynamics of ionic species mobility in the Svalbard annual snowpack Spolaor A. Varin C. Pedeli X. Christille J. M. Kirchgeorg T. Giardi F. Cappelletti D. Turetta C. Cairns W. R. L. Gambaro A. Bernagozzi A. Gallet J. C. Bjorkman M. P. Barbaro E. Spolaor, A. Varin, C. Pedeli, X. Christille, J. M. Kirchgeorg, T. Giardi, F. Cappelletti, D. Turetta, C. Cairns, W. R. L. Gambaro, A. Bernagozzi, A. Gallet, J. C. Bjorkman, M. P. Barbaro, E. 2021 STAMPA http://hdl.handle.net/11391/1476740 https://doi.org/10.1016/j.scitotenv.2020.141640 eng eng info:eu-repo/semantics/altIdentifier/pmid/32892077 info:eu-repo/semantics/altIdentifier/wos/WOS:000587300800038 volume:751 firstpage:141640 journal:SCIENCE OF THE TOTAL ENVIRONMENT http://hdl.handle.net/11391/1476740 doi:10.1016/j.scitotenv.2020.141640 info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85090146958 Arctic Depostion Dynamic Ion Melting Snowpack Source Svalbard info:eu-repo/semantics/article 2021 ftuniperugiairis https://doi.org/10.1016/j.scitotenv.2020.141640 2024-01-24T18:01:59Z Nearly all ice core archives from the Arctic and middle latitudes (such as the Alps), apart from some very high elevation sites in Greenland and the North Pacific, are strongly influenced by melting processes. The increases in the average Arctic temperature has enhanced surface snow melting even of higher elevation ice caps, especially on the Svalbard Archipelago. The increase of the frequency and altitude of winter “rain on snow” events as well as the increase of the length of the melting season have had a direct impact on the chemical composition of the seasonal and permanent snow layers due to different migration processes of water-soluble species, such as inorganic ions. This re-allocation along the snowpack of ionic species could significantly modify the original chemical signal present in the annual snow. This paper aims to give a picture of the evolution of the seasonal snow strata with a daily time resolution to better understand: a) the processes that can influence deposition b) the distribution of ions in annual snow c) the impact of the presence of liquid water on chemical re-distribution within the annual snow pack. Specifically, the chemical composition of the first 100 cm of seasonal snow on the Austre Brøggerbreen Glacier (Spitsbergen, Svalbard Islands, Norway) was monitored daily from the 27th of March to the 31st of May 2015. The experimental period covered almost the entire Arctic spring until the melting season. This unique dataset gives us a daily picture of the snow pack composition, and helps us to understand the behaviour of cations (K+, Ca2+, Na+, Mg2+) and anions (Br−, I−, SO42−, NO3−, Cl−, MSA) in the Svalbard snow pack. We demonstrate that biologically related depositions occur only at the end of the snow season and that rain and melting events have different impacts on the snowpack chemistry. Article in Journal/Newspaper Arctic glacier glacier glacier Greenland ice core Svalbard Spitsbergen IRIS Università degli Studi di Perugia Arctic Svalbard Svalbard Archipelago Greenland Pacific Norway Science of The Total Environment 751 141640 |
institution |
Open Polar |
collection |
IRIS Università degli Studi di Perugia |
op_collection_id |
ftuniperugiairis |
language |
English |
topic |
Arctic Depostion Dynamic Ion Melting Snowpack Source Svalbard |
spellingShingle |
Arctic Depostion Dynamic Ion Melting Snowpack Source Svalbard Spolaor A. Varin C. Pedeli X. Christille J. M. Kirchgeorg T. Giardi F. Cappelletti D. Turetta C. Cairns W. R. L. Gambaro A. Bernagozzi A. Gallet J. C. Bjorkman M. P. Barbaro E. Source, timing and dynamics of ionic species mobility in the Svalbard annual snowpack |
topic_facet |
Arctic Depostion Dynamic Ion Melting Snowpack Source Svalbard |
description |
Nearly all ice core archives from the Arctic and middle latitudes (such as the Alps), apart from some very high elevation sites in Greenland and the North Pacific, are strongly influenced by melting processes. The increases in the average Arctic temperature has enhanced surface snow melting even of higher elevation ice caps, especially on the Svalbard Archipelago. The increase of the frequency and altitude of winter “rain on snow” events as well as the increase of the length of the melting season have had a direct impact on the chemical composition of the seasonal and permanent snow layers due to different migration processes of water-soluble species, such as inorganic ions. This re-allocation along the snowpack of ionic species could significantly modify the original chemical signal present in the annual snow. This paper aims to give a picture of the evolution of the seasonal snow strata with a daily time resolution to better understand: a) the processes that can influence deposition b) the distribution of ions in annual snow c) the impact of the presence of liquid water on chemical re-distribution within the annual snow pack. Specifically, the chemical composition of the first 100 cm of seasonal snow on the Austre Brøggerbreen Glacier (Spitsbergen, Svalbard Islands, Norway) was monitored daily from the 27th of March to the 31st of May 2015. The experimental period covered almost the entire Arctic spring until the melting season. This unique dataset gives us a daily picture of the snow pack composition, and helps us to understand the behaviour of cations (K+, Ca2+, Na+, Mg2+) and anions (Br−, I−, SO42−, NO3−, Cl−, MSA) in the Svalbard snow pack. We demonstrate that biologically related depositions occur only at the end of the snow season and that rain and melting events have different impacts on the snowpack chemistry. |
author2 |
Spolaor, A. Varin, C. Pedeli, X. Christille, J. M. Kirchgeorg, T. Giardi, F. Cappelletti, D. Turetta, C. Cairns, W. R. L. Gambaro, A. Bernagozzi, A. Gallet, J. C. Bjorkman, M. P. Barbaro, E. |
format |
Article in Journal/Newspaper |
author |
Spolaor A. Varin C. Pedeli X. Christille J. M. Kirchgeorg T. Giardi F. Cappelletti D. Turetta C. Cairns W. R. L. Gambaro A. Bernagozzi A. Gallet J. C. Bjorkman M. P. Barbaro E. |
author_facet |
Spolaor A. Varin C. Pedeli X. Christille J. M. Kirchgeorg T. Giardi F. Cappelletti D. Turetta C. Cairns W. R. L. Gambaro A. Bernagozzi A. Gallet J. C. Bjorkman M. P. Barbaro E. |
author_sort |
Spolaor A. |
title |
Source, timing and dynamics of ionic species mobility in the Svalbard annual snowpack |
title_short |
Source, timing and dynamics of ionic species mobility in the Svalbard annual snowpack |
title_full |
Source, timing and dynamics of ionic species mobility in the Svalbard annual snowpack |
title_fullStr |
Source, timing and dynamics of ionic species mobility in the Svalbard annual snowpack |
title_full_unstemmed |
Source, timing and dynamics of ionic species mobility in the Svalbard annual snowpack |
title_sort |
source, timing and dynamics of ionic species mobility in the svalbard annual snowpack |
publishDate |
2021 |
url |
http://hdl.handle.net/11391/1476740 https://doi.org/10.1016/j.scitotenv.2020.141640 |
geographic |
Arctic Svalbard Svalbard Archipelago Greenland Pacific Norway |
geographic_facet |
Arctic Svalbard Svalbard Archipelago Greenland Pacific Norway |
genre |
Arctic glacier glacier glacier Greenland ice core Svalbard Spitsbergen |
genre_facet |
Arctic glacier glacier glacier Greenland ice core Svalbard Spitsbergen |
op_relation |
info:eu-repo/semantics/altIdentifier/pmid/32892077 info:eu-repo/semantics/altIdentifier/wos/WOS:000587300800038 volume:751 firstpage:141640 journal:SCIENCE OF THE TOTAL ENVIRONMENT http://hdl.handle.net/11391/1476740 doi:10.1016/j.scitotenv.2020.141640 info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85090146958 |
op_doi |
https://doi.org/10.1016/j.scitotenv.2020.141640 |
container_title |
Science of The Total Environment |
container_volume |
751 |
container_start_page |
141640 |
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1790596413964419072 |