Glacial boulders ‘floating’ on the ice cover of Lake Untersee, East Antarctica
Large glacial boulders, up to several metres in diameter, resting on the lake ice are a remarkable feature of Lake Untersee (71°21'S, 13°28'E), an ice-dammed, perennially frozen freshwater lake in the Ottovon-Gruber-Gebirge (Gruber Mountains) of central Queen Maud Land, East Antarctica. A...
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Cambridge University Press (CUP)
1999
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Online Access: | http://dx.doi.org/10.1017/s0954102099000310 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0954102099000310 |
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crcambridgeupr:10.1017/s0954102099000310 2024-06-23T07:47:01+00:00 Glacial boulders ‘floating’ on the ice cover of Lake Untersee, East Antarctica Wand, Ulrich Perlt, James 1999 http://dx.doi.org/10.1017/s0954102099000310 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0954102099000310 en eng Cambridge University Press (CUP) https://www.cambridge.org/core/terms Antarctic Science volume 11, issue 2, page 256-260 ISSN 0954-1020 1365-2079 journal-article 1999 crcambridgeupr https://doi.org/10.1017/s0954102099000310 2024-06-12T04:05:10Z Large glacial boulders, up to several metres in diameter, resting on the lake ice are a remarkable feature of Lake Untersee (71°21'S, 13°28'E), an ice-dammed, perennially frozen freshwater lake in the Ottovon-Gruber-Gebirge (Gruber Mountains) of central Queen Maud Land, East Antarctica. A geodetic survey of such ice-rafted boulders was made over two summer seasons to determine the direction and velocity of their movement. They are transported between 3.9 and 11.1 m annually and the residence time of the boulders is estimated at approximately 500 years. Lake Untersee must have been permanently covered with lake ice for at least that long. Article in Journal/Newspaper Antarc* Antarctic Science Antarctica East Antarctica Queen Maud Land Cambridge University Press East Antarctica Gruber Mountains ENVELOPE(13.381,13.381,-71.373,-71.373) Queen Maud Land ENVELOPE(12.000,12.000,-72.500,-72.500) Untersee ENVELOPE(13.467,13.467,-71.350,-71.350) Antarctic Science 11 2 256 260 |
institution |
Open Polar |
collection |
Cambridge University Press |
op_collection_id |
crcambridgeupr |
language |
English |
description |
Large glacial boulders, up to several metres in diameter, resting on the lake ice are a remarkable feature of Lake Untersee (71°21'S, 13°28'E), an ice-dammed, perennially frozen freshwater lake in the Ottovon-Gruber-Gebirge (Gruber Mountains) of central Queen Maud Land, East Antarctica. A geodetic survey of such ice-rafted boulders was made over two summer seasons to determine the direction and velocity of their movement. They are transported between 3.9 and 11.1 m annually and the residence time of the boulders is estimated at approximately 500 years. Lake Untersee must have been permanently covered with lake ice for at least that long. |
format |
Article in Journal/Newspaper |
author |
Wand, Ulrich Perlt, James |
spellingShingle |
Wand, Ulrich Perlt, James Glacial boulders ‘floating’ on the ice cover of Lake Untersee, East Antarctica |
author_facet |
Wand, Ulrich Perlt, James |
author_sort |
Wand, Ulrich |
title |
Glacial boulders ‘floating’ on the ice cover of Lake Untersee, East Antarctica |
title_short |
Glacial boulders ‘floating’ on the ice cover of Lake Untersee, East Antarctica |
title_full |
Glacial boulders ‘floating’ on the ice cover of Lake Untersee, East Antarctica |
title_fullStr |
Glacial boulders ‘floating’ on the ice cover of Lake Untersee, East Antarctica |
title_full_unstemmed |
Glacial boulders ‘floating’ on the ice cover of Lake Untersee, East Antarctica |
title_sort |
glacial boulders ‘floating’ on the ice cover of lake untersee, east antarctica |
publisher |
Cambridge University Press (CUP) |
publishDate |
1999 |
url |
http://dx.doi.org/10.1017/s0954102099000310 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0954102099000310 |
long_lat |
ENVELOPE(13.381,13.381,-71.373,-71.373) ENVELOPE(12.000,12.000,-72.500,-72.500) ENVELOPE(13.467,13.467,-71.350,-71.350) |
geographic |
East Antarctica Gruber Mountains Queen Maud Land Untersee |
geographic_facet |
East Antarctica Gruber Mountains Queen Maud Land Untersee |
genre |
Antarc* Antarctic Science Antarctica East Antarctica Queen Maud Land |
genre_facet |
Antarc* Antarctic Science Antarctica East Antarctica Queen Maud Land |
op_source |
Antarctic Science volume 11, issue 2, page 256-260 ISSN 0954-1020 1365-2079 |
op_rights |
https://www.cambridge.org/core/terms |
op_doi |
https://doi.org/10.1017/s0954102099000310 |
container_title |
Antarctic Science |
container_volume |
11 |
container_issue |
2 |
container_start_page |
256 |
op_container_end_page |
260 |
_version_ |
1802650159283175424 |