High snow accumulation on Amundsen Sea coastal ice rise, West Antarctica

Sang Bum Hong; Yalalt Nyamgerel; Won Sang Lee; Jeonghoon Lee

doi:10.24425/ppr.2023.145440

High snow accumulation on Amundsen Sea coastal ice rise, West Antarctica

Sang Bum Hong
, Yalalt Nyamgerel
, Won Sang Lee
, Jeonghoon Lee

Department of Science Education

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

Polar snow and its accumulation preserve valuable information derived from the atmosphere on past climate and environmental changes in high resolution, particularly in coastal sites. A 2.5-m snow-pit was excavated from the coastal ice rise (Moore Dome) near Amundsen Sea region in February 2012. This study evaluated the isotopic and chemical compositions in the snow-pit and compared them with meteorological variables. Based on the seasonal peaks of the MSA and nssSO₄^2– together with δ¹⁸O, δD, and d-excess, the snow-pit record was corresponded to accumulation during austral winter 2011 to summer 2011/2012. The annual mean accumulation rate was assumed thus to be as large as or even higher than 1.03 m w.e. yr^–1 at this site. A relatively warm winter temperature in 2011 was traceable in the variations of δ¹⁸O, δD, and d-excess. This study emphasizes the importance of the high snow accumulation observed at this site in providing valuable information on sub-annual variations in climate and environmental changes through the study of longer ice cores.

Original language	English
Pages (from-to)	365-384
Number of pages	20
Journal	Polish Polar Research
Volume	44
Issue number	4
DOIs	https://doi.org/10.24425/ppr.2023.145440
State	Published - 2023

Bibliographical note

Publisher Copyright:
© 2023 Sang-Bum Hong, Yalalt Nyamgerel, Won Sang Lee and Jeonghoon Lee. This is an open access article under the CC BY license http://creativecommons.org/licenses/by/4.0/), which permits use, distribution, and reproduction in any medium, provided that the article is properly cited.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 13 Climate Action

Keywords

Antarctica
Bear Peninsula
Moore Dome
snow-pit

Access to Document

10.24425/ppr.2023.145440

Cite this

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title = "High snow accumulation on Amundsen Sea coastal ice rise, West Antarctica",

abstract = "Polar snow and its accumulation preserve valuable information derived from the atmosphere on past climate and environmental changes in high resolution, particularly in coastal sites. A 2.5-m snow-pit was excavated from the coastal ice rise (Moore Dome) near Amundsen Sea region in February 2012. This study evaluated the isotopic and chemical compositions in the snow-pit and compared them with meteorological variables. Based on the seasonal peaks of the MSA and nssSO42{\textendash} together with δ18O, δD, and d-excess, the snow-pit record was corresponded to accumulation during austral winter 2011 to summer 2011/2012. The annual mean accumulation rate was assumed thus to be as large as or even higher than 1.03 m w.e. yr{\textendash}1 at this site. A relatively warm winter temperature in 2011 was traceable in the variations of δ18O, δD, and d-excess. This study emphasizes the importance of the high snow accumulation observed at this site in providing valuable information on sub-annual variations in climate and environmental changes through the study of longer ice cores.",

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year = "2023",

doi = "10.24425/ppr.2023.145440",

language = "English",

volume = "44",

pages = "365--384",

journal = "Polish Polar Research",

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TY - JOUR

T1 - High snow accumulation on Amundsen Sea coastal ice rise, West Antarctica

AU - Hong, Sang Bum

AU - Nyamgerel, Yalalt

AU - Lee, Won Sang

AU - Lee, Jeonghoon

N1 - Publisher Copyright: © 2023 Sang-Bum Hong, Yalalt Nyamgerel, Won Sang Lee and Jeonghoon Lee. This is an open access article under the CC BY license http://creativecommons.org/licenses/by/4.0/), which permits use, distribution, and reproduction in any medium, provided that the article is properly cited.

PY - 2023

Y1 - 2023

N2 - Polar snow and its accumulation preserve valuable information derived from the atmosphere on past climate and environmental changes in high resolution, particularly in coastal sites. A 2.5-m snow-pit was excavated from the coastal ice rise (Moore Dome) near Amundsen Sea region in February 2012. This study evaluated the isotopic and chemical compositions in the snow-pit and compared them with meteorological variables. Based on the seasonal peaks of the MSA and nssSO42– together with δ18O, δD, and d-excess, the snow-pit record was corresponded to accumulation during austral winter 2011 to summer 2011/2012. The annual mean accumulation rate was assumed thus to be as large as or even higher than 1.03 m w.e. yr–1 at this site. A relatively warm winter temperature in 2011 was traceable in the variations of δ18O, δD, and d-excess. This study emphasizes the importance of the high snow accumulation observed at this site in providing valuable information on sub-annual variations in climate and environmental changes through the study of longer ice cores.

AB - Polar snow and its accumulation preserve valuable information derived from the atmosphere on past climate and environmental changes in high resolution, particularly in coastal sites. A 2.5-m snow-pit was excavated from the coastal ice rise (Moore Dome) near Amundsen Sea region in February 2012. This study evaluated the isotopic and chemical compositions in the snow-pit and compared them with meteorological variables. Based on the seasonal peaks of the MSA and nssSO42– together with δ18O, δD, and d-excess, the snow-pit record was corresponded to accumulation during austral winter 2011 to summer 2011/2012. The annual mean accumulation rate was assumed thus to be as large as or even higher than 1.03 m w.e. yr–1 at this site. A relatively warm winter temperature in 2011 was traceable in the variations of δ18O, δD, and d-excess. This study emphasizes the importance of the high snow accumulation observed at this site in providing valuable information on sub-annual variations in climate and environmental changes through the study of longer ice cores.

KW - Antarctica

KW - Bear Peninsula

KW - Moore Dome

KW - snow-pit

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DO - 10.24425/ppr.2023.145440

M3 - Article

AN - SCOPUS:85178177206

SN - 0138-0338

VL - 44

SP - 365

EP - 384

JO - Polish Polar Research

JF - Polish Polar Research

IS - 4

ER -

High snow accumulation on Amundsen Sea coastal ice rise, West Antarctica

Abstract

Bibliographical note

UN SDGs

Keywords

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