Identification of multiple natural and anthropogenic sources of dust in snow from Zhongshan Station to Dome A, East Antarctica
The stable oxygen isotope composition, major ions and isotopic compositions of strontium (Sr), neodymium (Nd) and lead (Pb) in insoluble dust from recent surface snow samples along the transect from the Zhongshan and Progress stations (located on the Amery Ice Shelf, East Antarctica) to Dome A (Summ...
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Cambridge University Press
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ftdoajarticles:oai:doaj.org/article:c634598269fd4191aa104c1f67b83da1 2023-05-15T13:22:08+02:00 Identification of multiple natural and anthropogenic sources of dust in snow from Zhongshan Station to Dome A, East Antarctica ZHIHENG DU CUNDE XIAO MINGHU DING CHUANJIN LI 2018-12-01T00:00:00Z https://doi.org/10.1017/jog.2018.72 https://doaj.org/article/c634598269fd4191aa104c1f67b83da1 EN eng Cambridge University Press https://www.cambridge.org/core/product/identifier/S0022143018000722/type/journal_article https://doaj.org/toc/0022-1430 https://doaj.org/toc/1727-5652 doi:10.1017/jog.2018.72 0022-1430 1727-5652 https://doaj.org/article/c634598269fd4191aa104c1f67b83da1 Journal of Glaciology, Vol 64, Pp 855-865 (2018) ice chemistry ice/atmosphere interactions snow Environmental sciences GE1-350 Meteorology. Climatology QC851-999 article 2018 ftdoajarticles https://doi.org/10.1017/jog.2018.72 2023-03-12T01:30:59Z The stable oxygen isotope composition, major ions and isotopic compositions of strontium (Sr), neodymium (Nd) and lead (Pb) in insoluble dust from recent surface snow samples along the transect from the Zhongshan and Progress stations (located on the Amery Ice Shelf, East Antarctica) to Dome A (Summit, Antarctica) were analysed. No previous isotopic fingerprinting studies have been conducted for this transect. These data were used to document the dust provenances in Antarctica along the transect up to the highest site, Dome A, for the first time. The insoluble dust in snow samples along the coast displays an overall crust-line isotopic signature that is characterised by highly radiogenic 87Sr/86Sr values and less radiogenic 143Nd/144Nd values. These signatures are comparable with those of samples collected near the ice-free areas of the Zhongshan and Progress stations. Spatial differences are statistically significant along the transect, and the Sr, Nd and Pb isotope components in insoluble dust from two continuous snow samples at Dome A exhibit marked differences, indicating that additional dust reaches the East Antarctic Plateau. The isotopic characteristics of insoluble dust from this transect indicate that the long-distance natural dust and anthropogenic pollutants in these samples primarily originate from Australia. Article in Journal/Newspaper Amery Ice Shelf Antarc* Antarctic Antarctica East Antarctica Ice Shelf Journal of Glaciology Directory of Open Access Journals: DOAJ Articles Antarctic East Antarctica Amery ENVELOPE(-94.063,-94.063,56.565,56.565) Amery Ice Shelf ENVELOPE(71.000,71.000,-69.750,-69.750) Zhongshan ENVELOPE(76.371,76.371,-69.373,-69.373) Zhongshan Station ENVELOPE(76.371,76.371,-69.373,-69.373) Journal of Glaciology 64 248 855 865 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
ice chemistry ice/atmosphere interactions snow Environmental sciences GE1-350 Meteorology. Climatology QC851-999 |
spellingShingle |
ice chemistry ice/atmosphere interactions snow Environmental sciences GE1-350 Meteorology. Climatology QC851-999 ZHIHENG DU CUNDE XIAO MINGHU DING CHUANJIN LI Identification of multiple natural and anthropogenic sources of dust in snow from Zhongshan Station to Dome A, East Antarctica |
topic_facet |
ice chemistry ice/atmosphere interactions snow Environmental sciences GE1-350 Meteorology. Climatology QC851-999 |
description |
The stable oxygen isotope composition, major ions and isotopic compositions of strontium (Sr), neodymium (Nd) and lead (Pb) in insoluble dust from recent surface snow samples along the transect from the Zhongshan and Progress stations (located on the Amery Ice Shelf, East Antarctica) to Dome A (Summit, Antarctica) were analysed. No previous isotopic fingerprinting studies have been conducted for this transect. These data were used to document the dust provenances in Antarctica along the transect up to the highest site, Dome A, for the first time. The insoluble dust in snow samples along the coast displays an overall crust-line isotopic signature that is characterised by highly radiogenic 87Sr/86Sr values and less radiogenic 143Nd/144Nd values. These signatures are comparable with those of samples collected near the ice-free areas of the Zhongshan and Progress stations. Spatial differences are statistically significant along the transect, and the Sr, Nd and Pb isotope components in insoluble dust from two continuous snow samples at Dome A exhibit marked differences, indicating that additional dust reaches the East Antarctic Plateau. The isotopic characteristics of insoluble dust from this transect indicate that the long-distance natural dust and anthropogenic pollutants in these samples primarily originate from Australia. |
format |
Article in Journal/Newspaper |
author |
ZHIHENG DU CUNDE XIAO MINGHU DING CHUANJIN LI |
author_facet |
ZHIHENG DU CUNDE XIAO MINGHU DING CHUANJIN LI |
author_sort |
ZHIHENG DU |
title |
Identification of multiple natural and anthropogenic sources of dust in snow from Zhongshan Station to Dome A, East Antarctica |
title_short |
Identification of multiple natural and anthropogenic sources of dust in snow from Zhongshan Station to Dome A, East Antarctica |
title_full |
Identification of multiple natural and anthropogenic sources of dust in snow from Zhongshan Station to Dome A, East Antarctica |
title_fullStr |
Identification of multiple natural and anthropogenic sources of dust in snow from Zhongshan Station to Dome A, East Antarctica |
title_full_unstemmed |
Identification of multiple natural and anthropogenic sources of dust in snow from Zhongshan Station to Dome A, East Antarctica |
title_sort |
identification of multiple natural and anthropogenic sources of dust in snow from zhongshan station to dome a, east antarctica |
publisher |
Cambridge University Press |
publishDate |
2018 |
url |
https://doi.org/10.1017/jog.2018.72 https://doaj.org/article/c634598269fd4191aa104c1f67b83da1 |
long_lat |
ENVELOPE(-94.063,-94.063,56.565,56.565) ENVELOPE(71.000,71.000,-69.750,-69.750) ENVELOPE(76.371,76.371,-69.373,-69.373) ENVELOPE(76.371,76.371,-69.373,-69.373) |
geographic |
Antarctic East Antarctica Amery Amery Ice Shelf Zhongshan Zhongshan Station |
geographic_facet |
Antarctic East Antarctica Amery Amery Ice Shelf Zhongshan Zhongshan Station |
genre |
Amery Ice Shelf Antarc* Antarctic Antarctica East Antarctica Ice Shelf Journal of Glaciology |
genre_facet |
Amery Ice Shelf Antarc* Antarctic Antarctica East Antarctica Ice Shelf Journal of Glaciology |
op_source |
Journal of Glaciology, Vol 64, Pp 855-865 (2018) |
op_relation |
https://www.cambridge.org/core/product/identifier/S0022143018000722/type/journal_article https://doaj.org/toc/0022-1430 https://doaj.org/toc/1727-5652 doi:10.1017/jog.2018.72 0022-1430 1727-5652 https://doaj.org/article/c634598269fd4191aa104c1f67b83da1 |
op_doi |
https://doi.org/10.1017/jog.2018.72 |
container_title |
Journal of Glaciology |
container_volume |
64 |
container_issue |
248 |
container_start_page |
855 |
op_container_end_page |
865 |
_version_ |
1766363462159564800 |