A conceptual model for talik dynamics and icing formation in a river floodplain in the continuous permafrost zone at Salluit, Nunavik (Quebec), Canada
Icing occurs each winter along the floodplain of the Kuuguluk River in the continuous permafrost zone at Salluit in Nunavik (Quebec), Canada. The source of successive water overflows which thicken and enlarge this ice cover over time is suprapermafrost groundwater discharging from a talik below the...
Published in: | Permafrost and Periglacial Processes |
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Language: | English |
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Wiley
2021
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Online Access: | https://hdl.handle.net/20.500.11794/69461 https://doi.org/10.1002/ppp.2111 |
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ftunivlavalcorp:oai:corpus.ulaval.ca:20.500.11794/69461 2024-06-23T07:53:38+00:00 A conceptual model for talik dynamics and icing formation in a river floodplain in the continuous permafrost zone at Salluit, Nunavik (Quebec), Canada Lemieux, Jean-Michel Fortier, Richard Molson, John W. H. (John William H.) Liu, Weibo Québec (Province) -- Salluit, Région de 2021-06-23T15:16:58Z application/pdf https://hdl.handle.net/20.500.11794/69461 https://doi.org/10.1002/ppp.2111 eng eng Wiley 1045-6740 http://hdl.handle.net/20.500.11794/69461 doi:10.1002/ppp.2111 http://purl.org/coar/access_right/c_16ec Conceptual model Icing formation and cracking River talik Suprapermafrost groundwater flow Talik constriction Water pressure buildup Pergélisols Plaines inondables Givrage Eau souterraine -- Écoulement Modèles hydrologiques article de recherche COAR1_1::Texte::Périodique::Revue::Contribution à un journal::Article::Article de recherche 2021 ftunivlavalcorp https://doi.org/20.500.11794/6946110.1002/ppp.2111 2024-06-10T23:42:53Z Icing occurs each winter along the floodplain of the Kuuguluk River in the continuous permafrost zone at Salluit in Nunavik (Quebec), Canada. The source of successive water overflows which thicken and enlarge this ice cover over time is suprapermafrost groundwater discharging from a talik below the riverbed. Electrical resistivity tomography was used to delineate the talik, while water level and temperature dataloggers were used to assess the thermo-hydraulic conditions of the riverbed. The mean annual riverbed temperature was 1.8°C in 2016 while the mean annual air temperature was −6.0°C. Hydraulic heads below the ice cover as high as 2.8 m and events of abrupt decreases in hydraulic head due to suprapermafrost groundwater overflow through cracks in the ice cover were monitored. An analytical solution based on beam mechanics theory was used to assess the water pressure-induced stresses which are sufficient to fracture the ice cover. A detailed conceptual model of the talik and icing dynamics is proposed to explain the cryo-hydrogeological processes taking place in this complex groundwater–river system. The groundwater pressure buildup in the talik during the winter is due to constricted flow of suprapermafrost groundwater in the talik. These results have implications for understanding the dynamics of river taliks and their use as potential water supplies in northern communities. Other/Unknown Material Ice permafrost Salluit Nunavik Université Laval: CorpusUL Nunavik Canada Talik ENVELOPE(146.601,146.601,59.667,59.667) Salluit ENVELOPE(-75.643,-75.643,62.204,62.204) Permafrost and Periglacial Processes |
institution |
Open Polar |
collection |
Université Laval: CorpusUL |
op_collection_id |
ftunivlavalcorp |
language |
English |
topic |
Conceptual model Icing formation and cracking River talik Suprapermafrost groundwater flow Talik constriction Water pressure buildup Pergélisols Plaines inondables Givrage Eau souterraine -- Écoulement Modèles hydrologiques |
spellingShingle |
Conceptual model Icing formation and cracking River talik Suprapermafrost groundwater flow Talik constriction Water pressure buildup Pergélisols Plaines inondables Givrage Eau souterraine -- Écoulement Modèles hydrologiques Lemieux, Jean-Michel Fortier, Richard Molson, John W. H. (John William H.) Liu, Weibo A conceptual model for talik dynamics and icing formation in a river floodplain in the continuous permafrost zone at Salluit, Nunavik (Quebec), Canada |
topic_facet |
Conceptual model Icing formation and cracking River talik Suprapermafrost groundwater flow Talik constriction Water pressure buildup Pergélisols Plaines inondables Givrage Eau souterraine -- Écoulement Modèles hydrologiques |
description |
Icing occurs each winter along the floodplain of the Kuuguluk River in the continuous permafrost zone at Salluit in Nunavik (Quebec), Canada. The source of successive water overflows which thicken and enlarge this ice cover over time is suprapermafrost groundwater discharging from a talik below the riverbed. Electrical resistivity tomography was used to delineate the talik, while water level and temperature dataloggers were used to assess the thermo-hydraulic conditions of the riverbed. The mean annual riverbed temperature was 1.8°C in 2016 while the mean annual air temperature was −6.0°C. Hydraulic heads below the ice cover as high as 2.8 m and events of abrupt decreases in hydraulic head due to suprapermafrost groundwater overflow through cracks in the ice cover were monitored. An analytical solution based on beam mechanics theory was used to assess the water pressure-induced stresses which are sufficient to fracture the ice cover. A detailed conceptual model of the talik and icing dynamics is proposed to explain the cryo-hydrogeological processes taking place in this complex groundwater–river system. The groundwater pressure buildup in the talik during the winter is due to constricted flow of suprapermafrost groundwater in the talik. These results have implications for understanding the dynamics of river taliks and their use as potential water supplies in northern communities. |
format |
Other/Unknown Material |
author |
Lemieux, Jean-Michel Fortier, Richard Molson, John W. H. (John William H.) Liu, Weibo |
author_facet |
Lemieux, Jean-Michel Fortier, Richard Molson, John W. H. (John William H.) Liu, Weibo |
author_sort |
Lemieux, Jean-Michel |
title |
A conceptual model for talik dynamics and icing formation in a river floodplain in the continuous permafrost zone at Salluit, Nunavik (Quebec), Canada |
title_short |
A conceptual model for talik dynamics and icing formation in a river floodplain in the continuous permafrost zone at Salluit, Nunavik (Quebec), Canada |
title_full |
A conceptual model for talik dynamics and icing formation in a river floodplain in the continuous permafrost zone at Salluit, Nunavik (Quebec), Canada |
title_fullStr |
A conceptual model for talik dynamics and icing formation in a river floodplain in the continuous permafrost zone at Salluit, Nunavik (Quebec), Canada |
title_full_unstemmed |
A conceptual model for talik dynamics and icing formation in a river floodplain in the continuous permafrost zone at Salluit, Nunavik (Quebec), Canada |
title_sort |
conceptual model for talik dynamics and icing formation in a river floodplain in the continuous permafrost zone at salluit, nunavik (quebec), canada |
publisher |
Wiley |
publishDate |
2021 |
url |
https://hdl.handle.net/20.500.11794/69461 https://doi.org/10.1002/ppp.2111 |
op_coverage |
Québec (Province) -- Salluit, Région de |
long_lat |
ENVELOPE(146.601,146.601,59.667,59.667) ENVELOPE(-75.643,-75.643,62.204,62.204) |
geographic |
Nunavik Canada Talik Salluit |
geographic_facet |
Nunavik Canada Talik Salluit |
genre |
Ice permafrost Salluit Nunavik |
genre_facet |
Ice permafrost Salluit Nunavik |
op_relation |
1045-6740 http://hdl.handle.net/20.500.11794/69461 doi:10.1002/ppp.2111 |
op_rights |
http://purl.org/coar/access_right/c_16ec |
op_doi |
https://doi.org/20.500.11794/6946110.1002/ppp.2111 |
container_title |
Permafrost and Periglacial Processes |
_version_ |
1802645394003329024 |