Continuous flow analysis methods for sodium, magnesium and calcium detection in the Skytrain ice core
<jats:title>Abstract</jats:title><jats:p>Dissolved and particulate sodium, magnesium and calcium are analyzed in ice cores to determine past changes in sea ice extent, terrestrial dust variability and atmospheric aerosol transport efficiency. They are also used to date ice cores if...
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ftunivcam:oai:www.repository.cam.ac.uk:1810/325323 2024-01-14T10:02:26+01:00 Continuous flow analysis methods for sodium, magnesium and calcium detection in the Skytrain ice core Grieman, MM Hoffmann, HM Humby, JD Mulvaney, R Nehrbass-Ahles, C Rix, J Thomas, ER Tuckwell, R Wolff, EW 2022 application/pdf https://www.repository.cam.ac.uk/handle/1810/325323 https://doi.org/10.17863/CAM.72779 eng eng Cambridge University Press (CUP) http://dx.doi.org/10.1017/jog.2021.75 Journal of Glaciology https://www.repository.cam.ac.uk/handle/1810/325323 doi:10.17863/CAM.72779 Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/ Glaciological instruments and methods ice core paleoclimate Article 2022 ftunivcam https://doi.org/10.17863/CAM.72779 2023-12-21T23:23:05Z <jats:title>Abstract</jats:title><jats:p>Dissolved and particulate sodium, magnesium and calcium are analyzed in ice cores to determine past changes in sea ice extent, terrestrial dust variability and atmospheric aerosol transport efficiency. They are also used to date ice cores if annual layers are visible. Multiple methods have been developed to analyze these important compounds in ice cores. Continuous flow analysis (CFA) is implemented with instruments that sample the meltstream continuously. In this study, CFA with ICP-MS (inductively coupled-plasma mass spectrometry) and fast ion chromatography (FIC) methods are compared for analysis of sodium and magnesium. ICP-MS, FIC and fluorescence methods are compared for analysis of calcium. Respective analysis of a 10 m section of the Antarctic WACSWAIN Skytrain Ice Rise ice core shows that all of the methods result in similar levels of the compounds. The ICP-MS method is the most suitable for analysis of the Skytrain ice core due to its superior precision (relative standard deviation: 1.6% for Na, 1.3% for Mg and 1.2% for Ca) and sampling frequency compared to the FIC method. The fluorescence detection method may be preferred for calcium analysis due to its higher depth resolution (1.4 cm) relative to the ICP-MS and FIC methods (~4 cm).</jats:p> European Research Council Article in Journal/Newspaper Antarc* Antarctic ice core Sea ice Apollo - University of Cambridge Repository Antarctic Skytrain Ice Rise ENVELOPE(-78.333,-78.333,-79.583,-79.583) The Antarctic |
institution |
Open Polar |
collection |
Apollo - University of Cambridge Repository |
op_collection_id |
ftunivcam |
language |
English |
topic |
Glaciological instruments and methods ice core paleoclimate |
spellingShingle |
Glaciological instruments and methods ice core paleoclimate Grieman, MM Hoffmann, HM Humby, JD Mulvaney, R Nehrbass-Ahles, C Rix, J Thomas, ER Tuckwell, R Wolff, EW Continuous flow analysis methods for sodium, magnesium and calcium detection in the Skytrain ice core |
topic_facet |
Glaciological instruments and methods ice core paleoclimate |
description |
<jats:title>Abstract</jats:title><jats:p>Dissolved and particulate sodium, magnesium and calcium are analyzed in ice cores to determine past changes in sea ice extent, terrestrial dust variability and atmospheric aerosol transport efficiency. They are also used to date ice cores if annual layers are visible. Multiple methods have been developed to analyze these important compounds in ice cores. Continuous flow analysis (CFA) is implemented with instruments that sample the meltstream continuously. In this study, CFA with ICP-MS (inductively coupled-plasma mass spectrometry) and fast ion chromatography (FIC) methods are compared for analysis of sodium and magnesium. ICP-MS, FIC and fluorescence methods are compared for analysis of calcium. Respective analysis of a 10 m section of the Antarctic WACSWAIN Skytrain Ice Rise ice core shows that all of the methods result in similar levels of the compounds. The ICP-MS method is the most suitable for analysis of the Skytrain ice core due to its superior precision (relative standard deviation: 1.6% for Na, 1.3% for Mg and 1.2% for Ca) and sampling frequency compared to the FIC method. The fluorescence detection method may be preferred for calcium analysis due to its higher depth resolution (1.4 cm) relative to the ICP-MS and FIC methods (~4 cm).</jats:p> European Research Council |
format |
Article in Journal/Newspaper |
author |
Grieman, MM Hoffmann, HM Humby, JD Mulvaney, R Nehrbass-Ahles, C Rix, J Thomas, ER Tuckwell, R Wolff, EW |
author_facet |
Grieman, MM Hoffmann, HM Humby, JD Mulvaney, R Nehrbass-Ahles, C Rix, J Thomas, ER Tuckwell, R Wolff, EW |
author_sort |
Grieman, MM |
title |
Continuous flow analysis methods for sodium, magnesium and calcium detection in the Skytrain ice core |
title_short |
Continuous flow analysis methods for sodium, magnesium and calcium detection in the Skytrain ice core |
title_full |
Continuous flow analysis methods for sodium, magnesium and calcium detection in the Skytrain ice core |
title_fullStr |
Continuous flow analysis methods for sodium, magnesium and calcium detection in the Skytrain ice core |
title_full_unstemmed |
Continuous flow analysis methods for sodium, magnesium and calcium detection in the Skytrain ice core |
title_sort |
continuous flow analysis methods for sodium, magnesium and calcium detection in the skytrain ice core |
publisher |
Cambridge University Press (CUP) |
publishDate |
2022 |
url |
https://www.repository.cam.ac.uk/handle/1810/325323 https://doi.org/10.17863/CAM.72779 |
long_lat |
ENVELOPE(-78.333,-78.333,-79.583,-79.583) |
geographic |
Antarctic Skytrain Ice Rise The Antarctic |
geographic_facet |
Antarctic Skytrain Ice Rise The Antarctic |
genre |
Antarc* Antarctic ice core Sea ice |
genre_facet |
Antarc* Antarctic ice core Sea ice |
op_relation |
https://www.repository.cam.ac.uk/handle/1810/325323 doi:10.17863/CAM.72779 |
op_rights |
Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.17863/CAM.72779 |
_version_ |
1788057445194530816 |