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The Cryosphere An interactive open-access journal of the European Geosciences Union

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The Cryosphere, 11, 451-467, 2017
https://doi.org/10.5194/tc-11-451-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Volume 11, issue 1
Research article
08 Feb 2017
Connected subglacial lake drainage beneath Thwaites Glacier, West Antarctica
Benjamin E. Smith et al.

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In this paper we investigate elevation changes of Thwaites Glacier, West Antarctica, one of the main sources of excess ice discharge into the ocean. We find that in early 2013, four subglacial lakes separated by 100 km drained suddenly, discharging more than 3 km3 of water under the fastest part of the glacier in less than 6 months. Concurrent ice-speed measurements show only minor changes, suggesting that ice dynamics are not strongly sensitive to changes in water flow.
In this paper we investigate elevation changes of Thwaites Glacier, West Antarctica, one of the...
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