Recent variations in the terminus position, ice velocity and surface elevation of Langhovde Glacier, East Antarctica
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...
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crcambridgeupr:10.1017/s0954102014000364 2024-09-09T19:04:02+00:00 Recent variations in the terminus position, ice velocity and surface elevation of Langhovde Glacier, East Antarctica Fukuda, Takehiro Sugiyama, Shin Sawagaki, Takanobu Nakamura, Kazuki 2014 http://dx.doi.org/10.1017/s0954102014000364 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0954102014000364 en eng Cambridge University Press (CUP) http://creativecommons.org/licenses/by/3.0/ Antarctic Science volume 26, issue 6, page 636-645 ISSN 0954-1020 1365-2079 journal-article 2014 crcambridgeupr https://doi.org/10.1017/s0954102014000364 2024-06-19T04:03:52Z 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. Article in Journal/Newspaper Antarc* Antarctic Science Antarctica East Antarctica Sea ice Cambridge University Press East Antarctica Langhovde ENVELOPE(39.733,39.733,-69.217,-69.217) Langhovde Glacier ENVELOPE(39.783,39.783,-69.200,-69.200) Sôya Coast ENVELOPE(39.750,39.750,-69.300,-69.300) Antarctic Science 26 6 636 645 |
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Open Polar |
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Cambridge University Press |
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crcambridgeupr |
language |
English |
description |
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. |
format |
Article in Journal/Newspaper |
author |
Fukuda, Takehiro Sugiyama, Shin Sawagaki, Takanobu Nakamura, Kazuki |
spellingShingle |
Fukuda, Takehiro Sugiyama, Shin Sawagaki, Takanobu Nakamura, Kazuki Recent variations in the terminus position, ice velocity and surface elevation of Langhovde Glacier, East Antarctica |
author_facet |
Fukuda, Takehiro Sugiyama, Shin Sawagaki, Takanobu Nakamura, Kazuki |
author_sort |
Fukuda, Takehiro |
title |
Recent variations in the terminus position, ice velocity and surface elevation of Langhovde Glacier, East Antarctica |
title_short |
Recent variations in the terminus position, ice velocity and surface elevation of Langhovde Glacier, East Antarctica |
title_full |
Recent variations in the terminus position, ice velocity and surface elevation of Langhovde Glacier, East Antarctica |
title_fullStr |
Recent variations in the terminus position, ice velocity and surface elevation of Langhovde Glacier, East Antarctica |
title_full_unstemmed |
Recent variations in the terminus position, ice velocity and surface elevation of Langhovde Glacier, East Antarctica |
title_sort |
recent variations in the terminus position, ice velocity and surface elevation of langhovde glacier, east antarctica |
publisher |
Cambridge University Press (CUP) |
publishDate |
2014 |
url |
http://dx.doi.org/10.1017/s0954102014000364 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0954102014000364 |
long_lat |
ENVELOPE(39.733,39.733,-69.217,-69.217) ENVELOPE(39.783,39.783,-69.200,-69.200) ENVELOPE(39.750,39.750,-69.300,-69.300) |
geographic |
East Antarctica Langhovde Langhovde Glacier Sôya Coast |
geographic_facet |
East Antarctica Langhovde Langhovde Glacier Sôya Coast |
genre |
Antarc* Antarctic Science Antarctica East Antarctica Sea ice |
genre_facet |
Antarc* Antarctic Science Antarctica East Antarctica Sea ice |
op_source |
Antarctic Science volume 26, issue 6, page 636-645 ISSN 0954-1020 1365-2079 |
op_rights |
http://creativecommons.org/licenses/by/3.0/ |
op_doi |
https://doi.org/10.1017/s0954102014000364 |
container_title |
Antarctic Science |
container_volume |
26 |
container_issue |
6 |
container_start_page |
636 |
op_container_end_page |
645 |
_version_ |
1809818021410111488 |