Show simple item record

dc.contributor.author
Nguyen, Long
dc.contributor.author
Paleari, Chiara I.
dc.contributor.author
Müller, Stefanie
dc.contributor.author
Christl, Marcus
dc.contributor.author
Mekhaldi, Florian
dc.contributor.author
Gautschi, Philip
dc.contributor.author
Mulvaney, Robert
dc.contributor.author
Rix, Julius
dc.contributor.author
Muscheler, Raimund
dc.date.accessioned
2022-01-24T15:36:41Z
dc.date.available
2022-01-24T14:46:53Z
dc.date.available
2022-01-24T15:35:05Z
dc.date.available
2022-01-24T15:36:41Z
dc.date.issued
2021-10
dc.identifier.other
10.1016/j.ringeo.2021.100012
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/527992
dc.identifier.doi
10.3929/ethz-b-000527992
dc.description.abstract
Ice cores are excellent archives for obtaining long and continuous 10Be records. However, traditional ice core 10Be measurements required a lot of ice (0.5–1kg) and often needed to be connected to a large and costly ice core project. These reasons have been the factors limiting the number and variety of 10Be projects and data. In this paper, we show measurements of 10Be on small samples (∼45g) of continuous auger ice chips from a borehole at Little Dome C (LDC), East Antarctica. The sample preparation method for 10Be accelerator mass spectrometry (AMS) was tested and optimized using test samples (∼50g) including well-mixed surface ice chips from the LDC site, snow collected in Lund (Sweden) and frozen Milli-Q water. The results show that our small ice samples should be processed without ion exchange filtration of the melt water and cleaning the subsequent Be(OH)2 precipitate. In addition, co-precipitating Be with Fe led to more reproducible measurement currents and offer the potential for higher efficiency and precision via longer measurement time. We applied the established preparation method to measure 10Be on 76 samples of the auger ice chips. The resulting 10Be concentration record for the period from 1354 to 1950 CE agrees well with the 10Be concentration in a South Pole ice core and the global 14C production rate and thus reflects well the atmospheric production signal of 10Be. We also observed insignificant mixing among the ice chip samples during the process of drilling and retrieving the ice. Therefore, the new ice chip samples are promising for assessing the long-term changes in 10Be deposition at different ice core sites. A wide application of this novel ice chip samples will increase the variety of 10Be records which will help to improve the assessment of long-term solar and geomagnetic shielding of galactic cosmic rays.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
Elsevier
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
dc.subject
AMS
en_US
dc.subject
sample preparation
en_US
dc.subject
Beryllium 10
en_US
dc.subject
Ice core
en_US
dc.subject
Solar activity
en_US
dc.title
The potential for a continuous 10Be record measured on ice chips from a borehole
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 4.0 International
dc.date.published
2021-11-03
ethz.journal.title
Results in Geochemistry
ethz.journal.volume
5
en_US
ethz.pages.start
100012
en_US
ethz.size
11 p.
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.publication.place
Amsterdam
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics::08619 - Labor für Ionenstrahlphysik (LIP) / Laboratory of Ion Beam Physics (LIP)
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics::08619 - Labor für Ionenstrahlphysik (LIP) / Laboratory of Ion Beam Physics (LIP)
en_US
ethz.date.deposited
2022-01-24T14:46:59Z
ethz.source
FORM
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2022-01-24T15:35:12Z
ethz.rosetta.lastUpdated
2022-03-29T17:47:48Z
ethz.rosetta.versionExported
true
ethz.COinS
ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.atitle=The%20potential%20for%20a%20continuous%2010Be%20record%20measured%20on%20ice%20chips%20from%20a%20borehole&rft.jtitle=Results%20in%20Geochemistry&rft.date=2021-10&rft.volume=5&rft.spage=100012&rft.au=Nguyen,%20Long&Paleari,%20Chiara%20I.&M%C3%BCller,%20Stefanie&Christl,%20Marcus&Mekhaldi,%20Florian&rft.genre=article&rft_id=info:doi/10.1016/j.ringeo.2021.100012&
 Search print copy at ETH Library

Files in this item

Thumbnail

Publication type

Show simple item record