A fourth inventory of Antarctic subglacial lakes
Abstract Antarctic subglacial lakes are studied for three main scientific reasons. First, they form an important component of the basal hydrological system which is known to affect the dynamics of the ice sheet. Second, they are amongst the most extreme viable habitats on Earth and third, if sedimen...
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Online Access: | http://dx.doi.org/10.1017/s095410201200048x https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S095410201200048X |
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crcambridgeupr:10.1017/s095410201200048x 2024-06-23T07:47:41+00:00 A fourth inventory of Antarctic subglacial lakes Wright, Andrew Siegert, Martin 2012 http://dx.doi.org/10.1017/s095410201200048x https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S095410201200048X en eng Cambridge University Press (CUP) https://www.cambridge.org/core/terms Antarctic Science volume 24, issue 6, page 659-664 ISSN 0954-1020 1365-2079 journal-article 2012 crcambridgeupr https://doi.org/10.1017/s095410201200048x 2024-06-05T04:04:15Z Abstract Antarctic subglacial lakes are studied for three main scientific reasons. First, they form an important component of the basal hydrological system which is known to affect the dynamics of the ice sheet. Second, they are amongst the most extreme viable habitats on Earth and third, if sediments exist on their floors, they may contain high-resolution records of ice sheet history. Here we present a new inventory of locations, dimensions and data sources for 379 subglacial lakes. Several major advances are responsible for the rise in the total number of lakes from the 145 known at the time of the last inventory in 2005. New radar datasets have been collected in previously unexplored regions of the ice sheet while digital data collection and processing techniques have allowed improvements to lake identification methods. Satellite measurements of ice surface elevation change caused by the movement of subglacial water have also been found to be widespread in Antarctica, often in places where radar data are absent. These advances have changed our appreciation of the Antarctic subglacial environment and have expanded our understanding of the behaviour of subglacial lakes. Article in Journal/Newspaper Antarc* Antarctic Antarctic Science Antarctica Ice Sheet Cambridge University Press Antarctic The Antarctic Antarctic Science 24 6 659 664 |
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Open Polar |
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Cambridge University Press |
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crcambridgeupr |
language |
English |
description |
Abstract Antarctic subglacial lakes are studied for three main scientific reasons. First, they form an important component of the basal hydrological system which is known to affect the dynamics of the ice sheet. Second, they are amongst the most extreme viable habitats on Earth and third, if sediments exist on their floors, they may contain high-resolution records of ice sheet history. Here we present a new inventory of locations, dimensions and data sources for 379 subglacial lakes. Several major advances are responsible for the rise in the total number of lakes from the 145 known at the time of the last inventory in 2005. New radar datasets have been collected in previously unexplored regions of the ice sheet while digital data collection and processing techniques have allowed improvements to lake identification methods. Satellite measurements of ice surface elevation change caused by the movement of subglacial water have also been found to be widespread in Antarctica, often in places where radar data are absent. These advances have changed our appreciation of the Antarctic subglacial environment and have expanded our understanding of the behaviour of subglacial lakes. |
format |
Article in Journal/Newspaper |
author |
Wright, Andrew Siegert, Martin |
spellingShingle |
Wright, Andrew Siegert, Martin A fourth inventory of Antarctic subglacial lakes |
author_facet |
Wright, Andrew Siegert, Martin |
author_sort |
Wright, Andrew |
title |
A fourth inventory of Antarctic subglacial lakes |
title_short |
A fourth inventory of Antarctic subglacial lakes |
title_full |
A fourth inventory of Antarctic subglacial lakes |
title_fullStr |
A fourth inventory of Antarctic subglacial lakes |
title_full_unstemmed |
A fourth inventory of Antarctic subglacial lakes |
title_sort |
fourth inventory of antarctic subglacial lakes |
publisher |
Cambridge University Press (CUP) |
publishDate |
2012 |
url |
http://dx.doi.org/10.1017/s095410201200048x https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S095410201200048X |
geographic |
Antarctic The Antarctic |
geographic_facet |
Antarctic The Antarctic |
genre |
Antarc* Antarctic Antarctic Science Antarctica Ice Sheet |
genre_facet |
Antarc* Antarctic Antarctic Science Antarctica Ice Sheet |
op_source |
Antarctic Science volume 24, issue 6, page 659-664 ISSN 0954-1020 1365-2079 |
op_rights |
https://www.cambridge.org/core/terms |
op_doi |
https://doi.org/10.1017/s095410201200048x |
container_title |
Antarctic Science |
container_volume |
24 |
container_issue |
6 |
container_start_page |
659 |
op_container_end_page |
664 |
_version_ |
1802651835772698624 |