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Surface characteristics at Dome A, Antarctica: first measurements and a guide to future ice-coring sites

https://kitami-it.repo.nii.ac.jp/records/8059
https://kitami-it.repo.nii.ac.jp/records/8059
c7f2046b-3b97-4fcc-85b9-a8eda594c9f0
名前 / ファイル ライセンス アクション
2008_Surface 2008_Surface characteristics at Dome A, Antarctica first measurements and a guide to future ice-coring sites.pdf (747.7 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2016-01-19
タイトル
タイトル Surface characteristics at Dome A, Antarctica: first measurements and a guide to future ice-coring sites
言語 en
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
著者 Cunde, Xiao

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en Cunde, Xiao

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Yuansheng, Li

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en Yuansheng, Li

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Allison, Ian

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en Allison, Ian

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Shugui, Hou

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en Shugui, Hou

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Dreyfus, Gabrielle

× Dreyfus, Gabrielle

en Dreyfus, Gabrielle

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Barnola, Jean-Marc

× Barnola, Jean-Marc

en Barnola, Jean-Marc

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Jiawen, Ren

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en Jiawen, Ren

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Lingen, Bian

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en Lingen, Bian

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Shenkai, Zhang

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Kameda, Takao

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著者別名
識別子Scheme WEKO
識別子 44128
識別子Scheme KAKEN
識別子URI https://nrid.nii.ac.jp/ja/nrid/1000000233974
識別子 233974
姓名 亀田, 貴雄
言語 ja
抄録
内容記述タイプ Abstract
内容記述 An assessment of the glaciological and meteorological characteristics of Dome A, the summit of the East Antarctic ice sheet, is made based on field investigations during the austral summer of 2004/05. Knowledge of these characteristics is critical for future international studies such as deep ice-core drilling. The assessment shows that: (1) Dome A is characterized by a very low 10 m depth firn temperature, ?58.3°C (nearly 3°C lower than at EPICA Dome C and 1°C lower than at Vostok). (2) Automatic weather station (AWS) measurements of snow surface height and reference layers in a snow pit indicate the present-day snow accumulation rate at Dome A is within the range 1?3 cm w.e.a?1. Densification models suggest a range of 1?2 cm w.e.a?1. This is lower than at other sites along the ice divide of East Antarctica (IDEA). Annual layers at Dome A are thus potentially thinner than at other sites, so that a longer record is preserved in a given ice thickness. (3) The average wind speed observed at Dome A (<4 m s?1) is lower than at other sites along IDEA. Together, these parameters, combined with radio-echo sounding data and information on the subglacial drainage distribution beneath Dome A, suggest Dome A as a candidate site for obtaining the oldest ice core.
書誌情報 Annals of Glaciology

巻 48, p. 82-87, 発行日 2008
DOI
識別子タイプ DOI
関連識別子 https://doi.org/10.3189/172756408784700653
権利
権利情報 c 2008 International Glaciological Society
出版者
出版者 International Glaciological Society
著者版フラグ
言語 en
値 publisher
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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