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  • 标题:Modeling 5 years of subglacial lake activity in the MacAyeal Ice Stream (Antarctica) catchment through assimilation of ICESat laser altimetry
  • 本地全文:下载
  • 作者:Sasha P. Carter ; Helen A. Fricker ; Donald D. Blankenship
  • 期刊名称:Journal of Glaciology
  • 印刷版ISSN:0022-1430
  • 电子版ISSN:1727-5652
  • 出版年度:2011
  • 卷号:57
  • 期号:206
  • 页码:1098-1112
  • DOI:10.3189/002214311798843421
  • 出版社:Cambridge University Press
  • 摘要:Subglacial lakes beneath Antarctica’s fast-moving ice streams are known to undergo ∼1 km 390% of their water from distant distributed sources throughout the catchment, and we confirm that water is transported from regions of net basal melt to regions of net basal freezing. Our study provides a geophysically based means of validating subglacial water models in Antarctica and is a potential way to parameterize subglacial lake discharge events in large-scale ice-sheet models where adequate data are available.
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