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dc.contributor.author
Avak, Sven E.
dc.contributor.author
Trachsel, Jürg C.
dc.contributor.author
Edebeli, Jacinta
dc.contributor.author
Brütsch, Sabina
dc.contributor.author
Bartels-Rausch, Thorsten
dc.contributor.author
Schneebeli, Martin
dc.contributor.author
Schwikowski, Margit
dc.contributor.author
Eichler, Anja
dc.date.accessioned
2019-09-02T14:38:26Z
dc.date.available
2019-08-30T16:24:46Z
dc.date.available
2019-09-02T14:38:26Z
dc.date.issued
2019-07
dc.identifier.issn
0148-0227
dc.identifier.issn
2169-9003
dc.identifier.issn
2169-9011
dc.identifier.other
10.1029/2019JF005026
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/361606
dc.identifier.doi
10.3929/ethz-b-000361606
dc.description.abstract
Understanding the impact of melting on the preservation of atmospheric compounds in high‐Alpine snow and glacier ice is crucial for future reconstruction of past atmospheric conditions. However, detailed studies investigating melt‐related changes of such proxy information are rare. Here we present a series of five snow pit profiles of 6 major ions and 34 trace elements at Weissfluhjoch, Switzerland, collected between January and June 2017. Atmospheric composition was preserved during the cold season, while melting toward the summer resulted in preferential loss of certain species from the snowpack or enrichment at the base of the snowpack. Increasing mobilization of major ions with meltwater (NH4+ < Cl− ~ Na+ < NO3− ~ Ca2+ ~ SO42−) can be related to their stronger enrichment at ice crystal surfaces during snow metamorphism. Results for trace elements show that less abundant elements such as Ce, Eu, La, Mo, Nd, Pb, Pr, Sb, Sc, Sm, U, and W were best preserved and may still serve as tracers to reconstruct past natural and anthropogenic atmospheric emissions from melt‐affected snow pit and ice core records. The obtained elution behavior matches the findings from another high‐Alpine site (upper Grenzgletscher) for major ions and the large majority of investigated trace elements. Both studies indicate that water solubility and location at the microscopic scale are likely to determine the relocation behavior with meltwater and also suggest that the observed species‐dependent preservation from melting snow and ice is representative for the Alpine region, reflecting Central European atmospheric aerosol composition.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
Wiley
en_US
dc.rights.uri
http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subject
snowpack
en_US
dc.subject
major ions
en_US
dc.subject
trace elements
en_US
dc.subject
melting
en_US
dc.subject
elution
en_US
dc.subject
Swiss Alps
en_US
dc.title
Melt-Induced Fractionation of Major Ions and Trace Elements in an Alpine Snowpack
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
dc.date.published
2019-05-31
ethz.journal.title
Journal of Geophysical Research. Earth Surface
ethz.journal.volume
124
en_US
ethz.journal.issue
7
en_US
ethz.journal.abbreviated
J. geophys. res. Earth surf.
ethz.pages.start
1647
en_US
ethz.pages.end
1657
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.wos
ethz.publication.place
Hoboken, NJ
en_US
ethz.publication.status
published
en_US
ethz.date.deposited
2019-08-30T16:24:50Z
ethz.source
WOS
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2019-09-02T14:38:36Z
ethz.rosetta.lastUpdated
2019-09-02T14:38:36Z
ethz.rosetta.versionExported
true
ethz.COinS
ctx_ver=Z39.88-2004&amp;rft_val_fmt=info:ofi/fmt:kev:mtx:journal&amp;rft.atitle=Melt-Induced%20Fractionation%20of%20Major%20Ions%20and%20Trace%20Elements%20in%20an%20Alpine%20Snowpack&amp;rft.jtitle=Journal%20of%20Geophysical%20Research.%20Earth%20Surface&amp;rft.date=2019-07&amp;rft.volume=124&amp;rft.issue=7&amp;rft.spage=1647&amp;rft.epage=1657&amp;rft.issn=0148-0227&amp;2169-9003&amp;2169-9011&amp;rft.au=Avak,%20Sven%20E.&amp;Trachsel,%20J%C3%BCrg%20C.&amp;Edebeli,%20Jacinta&amp;Br%C3%BCtsch,%20Sabina&amp;Bartels-Rausch,%20Thorsten&amp;rft.genre=article&amp;
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