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    Liu, Tingting Niu, Muye and Yang, Yuande 2017. Ice Velocity Variations of the Polar Record Glacier (East Antarctica) Using a Rotation-Invariant Feature-Tracking Approach. Remote Sensing, Vol. 10, Issue. 2, p. 42.
    Saito, Jun Sugiyama, Shin Tsutaki, Shun and Sawagaki, Takanobu 2016. Surface elevation change on ice caps in the Qaanaaq region, northwestern Greenland. Polar Science, Vol. 10, Issue. 3, p. 239.
    Langley, Emily S. Leeson, Amber A. Stokes, Chris R. and Jamieson, Stewart S. R. 2016. Seasonal evolution of supraglacial lakes on an East Antarctic outlet glacier. Geophysical Research Letters, Vol. 43, Issue. 16, p. 8563.
    Sugiyama, Shin Sawagaki, Takanobu Fukuda, Takehiro and Aoki, Shigeru 2014. Active water exchange and life near the grounding line of an Antarctic outlet glacier. Earth and Planetary Science Letters, Vol. 399, Issue. , p. 52.
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Recent variations in the terminus position, ice velocity and surface elevation of Langhovde Glacier, East Antarctica

  • Takehiro Fukuda (a1) (a2), Shin Sugiyama (a1), Takanobu Sawagaki (a3) and Kazuki Nakamura (a4)
Abstract

To improve the understanding of the mechanism driving recent changes in outlet glaciers in East Antarctica, we measured changes in the terminus position, ice flow velocity and surface elevation of the Langhovde Glacier located on the Sôya Coast. From satellite images from 2000–12 and field measurements taken in 2012 the glacier terminus position and flow velocity showed little change between 2003 and 2007. After this quiescent period, the glacier progressively advanced by 380 m and the flow velocity increased near the calving front by 10 m a-1 from 2007–10. No significant change was observed in surface elevation during the study period. The changes in the terminus position and flow velocity imply a reduction in the calving rate from 93 m a-1 (2003–07) to 16 m a-1 (2007–10). This suggests that calving was inhibited by stable sea ice conditions in the ocean. Theses results indicate that the Langhovde Glacier was in a relatively stable condition during the study period, and its terminus position was controlled by the rate of calving under the influence of sea ice conditions.

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      Recent variations in the terminus position, ice velocity and surface elevation of Langhovde Glacier, East Antarctica
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Copyright
© Antarctic Science Ltd 2014
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/3.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Corresponding author
*corresponding author: sugishin@lowtem.hokudai.ac.jp
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Antarctic Science
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