Little ice age advance and retreat sediment budgets for an outlet glacier in western Norway

Bødalsbreen is an outlet glacier of the Jostedalsbreen Ice Field in western Norway. Nine moraine ridges formed during and after the maximum extent of the Little Ice Age (LIA). The stratigraphy of proglacial sediments in the Bødalen basin inside the LIA moraines is examined, and corresponding sedimen...

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Published in:Boreas
Main Authors: Burki, V., Hansen, L., Fredin, O., Andersen, T.A., Beylich, A.A, Jaboyedoff, M., Larsen, E., Tönnesen, J.-F.
Format: Article in Journal/Newspaper
Language:English
Published: 2010
Subjects:
geo
Online Access:https://doi.org/10.1111/j.1502-3885.2009.00133.x
https://serval.unil.ch/notice/serval:BIB_3852126C344D
id fttriple:oai:gotriple.eu:10670/1.qf7655
record_format openpolar
spelling fttriple:oai:gotriple.eu:10670/1.qf7655 2023-05-15T16:21:54+02:00 Little ice age advance and retreat sediment budgets for an outlet glacier in western Norway Burki, V. Hansen, L. Fredin, O. Andersen, T.A. Beylich, A.A Jaboyedoff, M. Larsen, E. Tönnesen, J.-F. 2010-01-01 https://doi.org/10.1111/j.1502-3885.2009.00133.x https://serval.unil.ch/notice/serval:BIB_3852126C344D en eng doi:10.1111/j.1502-3885.2009.00133.x urn:issn:0300-9483 10670/1.qf7655 https://serval.unil.ch/notice/serval:BIB_3852126C344D undefined Serveur académique Lausannois Borea, vol. 39, pp. 551-566 geo envir Journal Article https://vocabularies.coar-repositories.org/resource_types/c_6501/ 2010 fttriple https://doi.org/10.1111/j.1502-3885.2009.00133.x 2023-01-22T17:20:40Z Bødalsbreen is an outlet glacier of the Jostedalsbreen Ice Field in western Norway. Nine moraine ridges formed during and after the maximum extent of the Little Ice Age (LIA). The stratigraphy of proglacial sediments in the Bødalen basin inside the LIA moraines is examined, and corresponding sediment volumes are calculated based on georadar surveys and seismic profiling. The total erosion rates (etot) by the glacier are determined for the periods AD 1650?1930 and AD 1930?2005 as 0.8 ± 0.4 mm/yr and 0.7 ± 0.3 mm/yr, respectively. These rates are based on the total amount of sediment delivered to the glacier margin. The values are almost one order of magnitude higher than total erosion rates previously calculated for Norwegian glaciers. This is explained by the large amount of pre-existing sediment that was recycled by Bødalsbreen. Thus, the total erosion rate must be considered as a composite of eroded bedrock and of removed pre-existing sediments. The total erosion rate is likely to vary with time owing to a decreasing volume of easily erodible, unconsolidated sediment and till under the glacier. A slight increase in the subglacial bedrock erosion is expected owing to the gradually increasing bedrock surface area exposed to subglacial erosion. Article in Journal/Newspaper glacier Unknown Bødalsbreen ENVELOPE(15.683,15.683,78.083,78.083) Norway Boreas
institution Open Polar
collection Unknown
op_collection_id fttriple
language English
topic geo
envir
spellingShingle geo
envir
Burki, V.
Hansen, L.
Fredin, O.
Andersen, T.A.
Beylich, A.A
Jaboyedoff, M.
Larsen, E.
Tönnesen, J.-F.
Little ice age advance and retreat sediment budgets for an outlet glacier in western Norway
topic_facet geo
envir
description Bødalsbreen is an outlet glacier of the Jostedalsbreen Ice Field in western Norway. Nine moraine ridges formed during and after the maximum extent of the Little Ice Age (LIA). The stratigraphy of proglacial sediments in the Bødalen basin inside the LIA moraines is examined, and corresponding sediment volumes are calculated based on georadar surveys and seismic profiling. The total erosion rates (etot) by the glacier are determined for the periods AD 1650?1930 and AD 1930?2005 as 0.8 ± 0.4 mm/yr and 0.7 ± 0.3 mm/yr, respectively. These rates are based on the total amount of sediment delivered to the glacier margin. The values are almost one order of magnitude higher than total erosion rates previously calculated for Norwegian glaciers. This is explained by the large amount of pre-existing sediment that was recycled by Bødalsbreen. Thus, the total erosion rate must be considered as a composite of eroded bedrock and of removed pre-existing sediments. The total erosion rate is likely to vary with time owing to a decreasing volume of easily erodible, unconsolidated sediment and till under the glacier. A slight increase in the subglacial bedrock erosion is expected owing to the gradually increasing bedrock surface area exposed to subglacial erosion.
format Article in Journal/Newspaper
author Burki, V.
Hansen, L.
Fredin, O.
Andersen, T.A.
Beylich, A.A
Jaboyedoff, M.
Larsen, E.
Tönnesen, J.-F.
author_facet Burki, V.
Hansen, L.
Fredin, O.
Andersen, T.A.
Beylich, A.A
Jaboyedoff, M.
Larsen, E.
Tönnesen, J.-F.
author_sort Burki, V.
title Little ice age advance and retreat sediment budgets for an outlet glacier in western Norway
title_short Little ice age advance and retreat sediment budgets for an outlet glacier in western Norway
title_full Little ice age advance and retreat sediment budgets for an outlet glacier in western Norway
title_fullStr Little ice age advance and retreat sediment budgets for an outlet glacier in western Norway
title_full_unstemmed Little ice age advance and retreat sediment budgets for an outlet glacier in western Norway
title_sort little ice age advance and retreat sediment budgets for an outlet glacier in western norway
publishDate 2010
url https://doi.org/10.1111/j.1502-3885.2009.00133.x
https://serval.unil.ch/notice/serval:BIB_3852126C344D
long_lat ENVELOPE(15.683,15.683,78.083,78.083)
geographic Bødalsbreen
Norway
geographic_facet Bødalsbreen
Norway
genre glacier
genre_facet glacier
op_source Serveur académique Lausannois
Borea, vol. 39, pp. 551-566
op_relation doi:10.1111/j.1502-3885.2009.00133.x
urn:issn:0300-9483
10670/1.qf7655
https://serval.unil.ch/notice/serval:BIB_3852126C344D
op_rights undefined
op_doi https://doi.org/10.1111/j.1502-3885.2009.00133.x
container_title Boreas
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