globalchange  > 气候变化与战略
DOI: 10.5194/tc-14-4603-2020
论文题名:
Brief communication: Heterogenous thinning and subglacial lake activity on Thwaites Glacier, West Antarctica
作者: Hoffman A.O.; Christianson K.; Shapero D.; Smith B.E.; Joughin I.
刊名: Cryosphere
ISSN: 19940416
出版年: 2020
卷: 14, 期:12
起始页码: 4603
结束页码: 4609
语种: 英语
英文关键词: drainage ; glacier retreat ; ice core ; lacustrine environment ; satellite data ; seasonal variation ; subglacial environment ; tributary ; Antarctica ; Thwaites Glacier ; West Antarctica
英文摘要: A system of subglacial lakes drained on Thwaites Glacier from 2012-2014. To improve coverage for subsequent drainage events, we extended the elevation and ice-velocity time series on Thwaites Glacier through austral winter 2019. These new observations document a second drainage cycle in 2017/18 and identified two new lake systems located in the western tributaries of Thwaites and Haynes glaciers. In situ and satellite velocity observations show temporary span classCombining double low line inline-formula 3 % speed fluctuations associated with lake drainages. In agreement with previous studies, these observations suggest that active subglacial hydrology has little influence on thinning and retreat of Thwaites Glacier on decadal to centennial timescales. © 2020 Copernicus GmbH. All rights reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/164479
Appears in Collections:气候变化与战略

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作者单位: Department of Earth and Space Sciences, University of Washington, Seattle, WA 98115, United States; Applied Physics Laboratory, University of Washington, Seattle, WA 98115, United States

Recommended Citation:
Hoffman A.O.,Christianson K.,Shapero D.,et al. Brief communication: Heterogenous thinning and subglacial lake activity on Thwaites Glacier, West Antarctica[J]. Cryosphere,2020-01-01,14(12)
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