Geomorphic activity of rivers during snow melt and break‐up, Richardson Mountains, Yukon and Northwest Territories, Canada
The passage of the snow‐melt flood is divided into three phases: (i) The maximum runoff, with insignificant sediment transport taking place in a largely ice‐lined river bed and frozen sediment. (ii) The declining snow‐melt flood, with maximum sediment transport, thermoerosion being a main controllin...
Published in: | Permafrost and Periglacial Processes |
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Online Access: | https://doi.org/10.1002/ppp.3430010309 |
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ftrepec:oai:RePEc:wly:perpro:v:1:y:1990:i:3-4:p:295-299 2023-05-15T15:07:41+02:00 Geomorphic activity of rivers during snow melt and break‐up, Richardson Mountains, Yukon and Northwest Territories, Canada K. Priesnitz https://doi.org/10.1002/ppp.3430010309 unknown https://doi.org/10.1002/ppp.3430010309 article ftrepec https://doi.org/10.1002/ppp.3430010309 2020-12-04T13:31:25Z The passage of the snow‐melt flood is divided into three phases: (i) The maximum runoff, with insignificant sediment transport taking place in a largely ice‐lined river bed and frozen sediment. (ii) The declining snow‐melt flood, with maximum sediment transport, thermoerosion being a main controlling process. (iii) The transition to low summer runoff, with secondary floods of great geomorphic effect. In an attempt to classify arctic and subarctic rivers, with respect to the morphodynamic potential of the snow‐melt break‐up period, six river regimes are distinguished. Les crues de fonte de neige sont divisées en trois phases: (i) Un écoulement maximum avec un transport de sédiment insignifiant qui prend place dans un lit de rivièré protégé par de la glace ou des sédiments gelés. (ii) Une diminution de débit de la crue de fonte de neige qui transporte, alors, le maximum de sédiments, l'érosion thermique étant à ce moment un des principaux processus géomorphologiques. (iii) Une transition vers un écoulement d'été faible comprenant cependant des crues secondaires ayant une action géomorphologique considerable. Dans un essai de classement les rivières arctiques et subarctiques selon leur potentiel morphodynamique au moment de la période de fonte de neige et de débacle, six régimes différents de rivières sont distingués. Article in Journal/Newspaper Arctic Arctique* Northwest Territories Subarctic subarctique* Yukon RePEc (Research Papers in Economics) Arctic Yukon Northwest Territories Canada Richardson Mountains ENVELOPE(-136.171,-136.171,67.000,67.000) Permafrost and Periglacial Processes 1 3-4 295 299 |
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Open Polar |
collection |
RePEc (Research Papers in Economics) |
op_collection_id |
ftrepec |
language |
unknown |
description |
The passage of the snow‐melt flood is divided into three phases: (i) The maximum runoff, with insignificant sediment transport taking place in a largely ice‐lined river bed and frozen sediment. (ii) The declining snow‐melt flood, with maximum sediment transport, thermoerosion being a main controlling process. (iii) The transition to low summer runoff, with secondary floods of great geomorphic effect. In an attempt to classify arctic and subarctic rivers, with respect to the morphodynamic potential of the snow‐melt break‐up period, six river regimes are distinguished. Les crues de fonte de neige sont divisées en trois phases: (i) Un écoulement maximum avec un transport de sédiment insignifiant qui prend place dans un lit de rivièré protégé par de la glace ou des sédiments gelés. (ii) Une diminution de débit de la crue de fonte de neige qui transporte, alors, le maximum de sédiments, l'érosion thermique étant à ce moment un des principaux processus géomorphologiques. (iii) Une transition vers un écoulement d'été faible comprenant cependant des crues secondaires ayant une action géomorphologique considerable. Dans un essai de classement les rivières arctiques et subarctiques selon leur potentiel morphodynamique au moment de la période de fonte de neige et de débacle, six régimes différents de rivières sont distingués. |
format |
Article in Journal/Newspaper |
author |
K. Priesnitz |
spellingShingle |
K. Priesnitz Geomorphic activity of rivers during snow melt and break‐up, Richardson Mountains, Yukon and Northwest Territories, Canada |
author_facet |
K. Priesnitz |
author_sort |
K. Priesnitz |
title |
Geomorphic activity of rivers during snow melt and break‐up, Richardson Mountains, Yukon and Northwest Territories, Canada |
title_short |
Geomorphic activity of rivers during snow melt and break‐up, Richardson Mountains, Yukon and Northwest Territories, Canada |
title_full |
Geomorphic activity of rivers during snow melt and break‐up, Richardson Mountains, Yukon and Northwest Territories, Canada |
title_fullStr |
Geomorphic activity of rivers during snow melt and break‐up, Richardson Mountains, Yukon and Northwest Territories, Canada |
title_full_unstemmed |
Geomorphic activity of rivers during snow melt and break‐up, Richardson Mountains, Yukon and Northwest Territories, Canada |
title_sort |
geomorphic activity of rivers during snow melt and break‐up, richardson mountains, yukon and northwest territories, canada |
url |
https://doi.org/10.1002/ppp.3430010309 |
long_lat |
ENVELOPE(-136.171,-136.171,67.000,67.000) |
geographic |
Arctic Yukon Northwest Territories Canada Richardson Mountains |
geographic_facet |
Arctic Yukon Northwest Territories Canada Richardson Mountains |
genre |
Arctic Arctique* Northwest Territories Subarctic subarctique* Yukon |
genre_facet |
Arctic Arctique* Northwest Territories Subarctic subarctique* Yukon |
op_relation |
https://doi.org/10.1002/ppp.3430010309 |
op_doi |
https://doi.org/10.1002/ppp.3430010309 |
container_title |
Permafrost and Periglacial Processes |
container_volume |
1 |
container_issue |
3-4 |
container_start_page |
295 |
op_container_end_page |
299 |
_version_ |
1766339130493501440 |