The 1982/83 surge and antecedent quiescent phase of Variegated Glacier: revising the original dataset for application in flow line models
The extensive dataset of Variegated Glacier's 1982/83 surge and antecedent quiescent phase is fragmentary and predominantly of flow line nature. Applying the raw centre line data in a flow line model to conduct research into the mechanism behind Variegated Glacier's surge behaviour inevita...
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Cambridge University Press
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Online Access: | https://doi.org/10.1017/jog.2017.43 https://doaj.org/article/8e6a1deeba204ea98f0f2d192433c376 |
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ftdoajarticles:oai:doaj.org/article:8e6a1deeba204ea98f0f2d192433c376 2023-05-15T16:57:36+02:00 The 1982/83 surge and antecedent quiescent phase of Variegated Glacier: revising the original dataset for application in flow line models SHARON VAN GEFFEN JOHANNES OERLEMANS 2017-10-01T00:00:00Z https://doi.org/10.1017/jog.2017.43 https://doaj.org/article/8e6a1deeba204ea98f0f2d192433c376 EN eng Cambridge University Press https://www.cambridge.org/core/product/identifier/S0022143017000430/type/journal_article https://doaj.org/toc/0022-1430 https://doaj.org/toc/1727-5652 doi:10.1017/jog.2017.43 0022-1430 1727-5652 https://doaj.org/article/8e6a1deeba204ea98f0f2d192433c376 Journal of Glaciology, Vol 63, Pp 772-782 (2017) glacier flow glacier mass balance glacier modelling glacier surges glacier volume Environmental sciences GE1-350 Meteorology. Climatology QC851-999 article 2017 ftdoajarticles https://doi.org/10.1017/jog.2017.43 2023-03-12T01:30:59Z The extensive dataset of Variegated Glacier's 1982/83 surge and antecedent quiescent phase is fragmentary and predominantly of flow line nature. Applying the raw centre line data in a flow line model to conduct research into the mechanism behind Variegated Glacier's surge behaviour inevitably entails problems. In this study, the incomplete dataset is extrapolated into the upper and lower parts of the glacier. Furthermore, the centre line data are adapted to account for differences between width-averaged and centre line surface mass balance and ice thickness change, inflow from tributaries, and changes in surface width over time. The modifications to the dataset are backed-up by observations and clear, plausible physical explanations. Moreover, the revised dataset meets the imposed constraints regarding ice volume flux, specific mass balance and net volume change. Hence, the final dataset is considered a satisfying revision that makes the dataset more valuable for future research. Subsequent application of the revised dataset corroborates the idea that glacier evolution during quiescence is basically the growth back towards steady state after the glacier was brought out of balance by the preceding surge. Article in Journal/Newspaper Journal of Glaciology Directory of Open Access Journals: DOAJ Articles Journal of Glaciology 63 241 772 782 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
glacier flow glacier mass balance glacier modelling glacier surges glacier volume Environmental sciences GE1-350 Meteorology. Climatology QC851-999 |
spellingShingle |
glacier flow glacier mass balance glacier modelling glacier surges glacier volume Environmental sciences GE1-350 Meteorology. Climatology QC851-999 SHARON VAN GEFFEN JOHANNES OERLEMANS The 1982/83 surge and antecedent quiescent phase of Variegated Glacier: revising the original dataset for application in flow line models |
topic_facet |
glacier flow glacier mass balance glacier modelling glacier surges glacier volume Environmental sciences GE1-350 Meteorology. Climatology QC851-999 |
description |
The extensive dataset of Variegated Glacier's 1982/83 surge and antecedent quiescent phase is fragmentary and predominantly of flow line nature. Applying the raw centre line data in a flow line model to conduct research into the mechanism behind Variegated Glacier's surge behaviour inevitably entails problems. In this study, the incomplete dataset is extrapolated into the upper and lower parts of the glacier. Furthermore, the centre line data are adapted to account for differences between width-averaged and centre line surface mass balance and ice thickness change, inflow from tributaries, and changes in surface width over time. The modifications to the dataset are backed-up by observations and clear, plausible physical explanations. Moreover, the revised dataset meets the imposed constraints regarding ice volume flux, specific mass balance and net volume change. Hence, the final dataset is considered a satisfying revision that makes the dataset more valuable for future research. Subsequent application of the revised dataset corroborates the idea that glacier evolution during quiescence is basically the growth back towards steady state after the glacier was brought out of balance by the preceding surge. |
format |
Article in Journal/Newspaper |
author |
SHARON VAN GEFFEN JOHANNES OERLEMANS |
author_facet |
SHARON VAN GEFFEN JOHANNES OERLEMANS |
author_sort |
SHARON VAN GEFFEN |
title |
The 1982/83 surge and antecedent quiescent phase of Variegated Glacier: revising the original dataset for application in flow line models |
title_short |
The 1982/83 surge and antecedent quiescent phase of Variegated Glacier: revising the original dataset for application in flow line models |
title_full |
The 1982/83 surge and antecedent quiescent phase of Variegated Glacier: revising the original dataset for application in flow line models |
title_fullStr |
The 1982/83 surge and antecedent quiescent phase of Variegated Glacier: revising the original dataset for application in flow line models |
title_full_unstemmed |
The 1982/83 surge and antecedent quiescent phase of Variegated Glacier: revising the original dataset for application in flow line models |
title_sort |
1982/83 surge and antecedent quiescent phase of variegated glacier: revising the original dataset for application in flow line models |
publisher |
Cambridge University Press |
publishDate |
2017 |
url |
https://doi.org/10.1017/jog.2017.43 https://doaj.org/article/8e6a1deeba204ea98f0f2d192433c376 |
genre |
Journal of Glaciology |
genre_facet |
Journal of Glaciology |
op_source |
Journal of Glaciology, Vol 63, Pp 772-782 (2017) |
op_relation |
https://www.cambridge.org/core/product/identifier/S0022143017000430/type/journal_article https://doaj.org/toc/0022-1430 https://doaj.org/toc/1727-5652 doi:10.1017/jog.2017.43 0022-1430 1727-5652 https://doaj.org/article/8e6a1deeba204ea98f0f2d192433c376 |
op_doi |
https://doi.org/10.1017/jog.2017.43 |
container_title |
Journal of Glaciology |
container_volume |
63 |
container_issue |
241 |
container_start_page |
772 |
op_container_end_page |
782 |
_version_ |
1766049168891052032 |