Thermal performance of a section of the MacKenzie Highway
The thermal performance of a shallow road embankment constructed on permafrost in the discontinuous zone of the Mackenzie Valley was monitored over a 5-year period. The shallow (1.2 m) embankment consisted of clean borrow material end dumped on a right-of-way which had previously been cleared of tre...
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ftnrccanada:oai:cisti-icist.nrc-cnrc.ca:cistinparc:20375444 2024-09-15T18:18:12+00:00 Thermal performance of a section of the MacKenzie Highway Goodrich, L. E. 1983 text https://nrc-publications.canada.ca/eng/view/ft/?id=8addf126-dbe3-4f58-a547-56057e880d3f https://nrc-publications.canada.ca/eng/view/object/?id=8addf126-dbe3-4f58-a547-56057e880d3f https://nrc-publications.canada.ca/fra/voir/objet/?id=8addf126-dbe3-4f58-a547-56057e880d3f eng eng Permafrost: 4th International Conference, Proceedings, Permafrost: 4th International Conference, July 17, 1983, Fairbanks, Alaska, United States, ISBN: 0-309-03435-3, Publication date: 1983, Pages: 353–358 report_number:DBR-P-1173 permafrost pergélisol soils sol (terre) highways route principale thermal properties propriété thermique climates climat seasons saison cold regions zone froide shallow road embankment hourly ground temperatures settlement thermal conductivity probes permafrost degradation article 1983 ftnrccanada 2024-08-05T14:05:07Z The thermal performance of a shallow road embankment constructed on permafrost in the discontinuous zone of the Mackenzie Valley was monitored over a 5-year period. The shallow (1.2 m) embankment consisted of clean borrow material end dumped on a right-of-way which had previously been cleared of trees. The road was never opened to general traffic; consequently snow removal was minimal. Measurements included hourly ground temperatures recorded with a data logger operating unattended. Settlements were monitored and thermal conductivity probes were installed to yield information on seasonal trends within the embankment and in the various natural materials comprising the active layer. The data indicate that degradation of the permafrost is under way and provide information on the relation between road surface temperatures and climatic factors for this region. On a étudié pendant cinq ans le comportement thermique d'un remblai de route construit sur le pergélisol dans la zone discontinue de la vallée du Mackenzie. Ce remblai de faible hauteur (1,2 m) était formé de matériau de remblai propre, dé versé sur une partie d'emprise préalablement débarrassée de ses arbres. La route n'ayant jamais été ouverte à la grande circulation, les activités de déneigement étaient réduites au minimum. Les mesures prises comportaient l'enregistrement horaire des températures du sol à l'aide d'un appareil enregistreur autonome. Les tassements ont été contrôlés et des sondes de conductivité thermique installées pour obtenir des données sur les tendances saisonnières dans le remblai même et dans les divers matériaux composant la couche active. Les données obtenues indiquent que la dégradation du pergélisol est en cours et fournissent des renseignements sur le rapport entre les températures de surface de la route et les facteurs climatiques de la région. Peer reviewed: Yes NRC publication: Yes Article in Journal/Newspaper Mackenzie Valley permafrost pergélisol National Research Council Canada: NRC Publications Archive |
institution |
Open Polar |
collection |
National Research Council Canada: NRC Publications Archive |
op_collection_id |
ftnrccanada |
language |
English |
topic |
permafrost pergélisol soils sol (terre) highways route principale thermal properties propriété thermique climates climat seasons saison cold regions zone froide shallow road embankment hourly ground temperatures settlement thermal conductivity probes permafrost degradation |
spellingShingle |
permafrost pergélisol soils sol (terre) highways route principale thermal properties propriété thermique climates climat seasons saison cold regions zone froide shallow road embankment hourly ground temperatures settlement thermal conductivity probes permafrost degradation Goodrich, L. E. Thermal performance of a section of the MacKenzie Highway |
topic_facet |
permafrost pergélisol soils sol (terre) highways route principale thermal properties propriété thermique climates climat seasons saison cold regions zone froide shallow road embankment hourly ground temperatures settlement thermal conductivity probes permafrost degradation |
description |
The thermal performance of a shallow road embankment constructed on permafrost in the discontinuous zone of the Mackenzie Valley was monitored over a 5-year period. The shallow (1.2 m) embankment consisted of clean borrow material end dumped on a right-of-way which had previously been cleared of trees. The road was never opened to general traffic; consequently snow removal was minimal. Measurements included hourly ground temperatures recorded with a data logger operating unattended. Settlements were monitored and thermal conductivity probes were installed to yield information on seasonal trends within the embankment and in the various natural materials comprising the active layer. The data indicate that degradation of the permafrost is under way and provide information on the relation between road surface temperatures and climatic factors for this region. On a étudié pendant cinq ans le comportement thermique d'un remblai de route construit sur le pergélisol dans la zone discontinue de la vallée du Mackenzie. Ce remblai de faible hauteur (1,2 m) était formé de matériau de remblai propre, dé versé sur une partie d'emprise préalablement débarrassée de ses arbres. La route n'ayant jamais été ouverte à la grande circulation, les activités de déneigement étaient réduites au minimum. Les mesures prises comportaient l'enregistrement horaire des températures du sol à l'aide d'un appareil enregistreur autonome. Les tassements ont été contrôlés et des sondes de conductivité thermique installées pour obtenir des données sur les tendances saisonnières dans le remblai même et dans les divers matériaux composant la couche active. Les données obtenues indiquent que la dégradation du pergélisol est en cours et fournissent des renseignements sur le rapport entre les températures de surface de la route et les facteurs climatiques de la région. Peer reviewed: Yes NRC publication: Yes |
format |
Article in Journal/Newspaper |
author |
Goodrich, L. E. |
author_facet |
Goodrich, L. E. |
author_sort |
Goodrich, L. E. |
title |
Thermal performance of a section of the MacKenzie Highway |
title_short |
Thermal performance of a section of the MacKenzie Highway |
title_full |
Thermal performance of a section of the MacKenzie Highway |
title_fullStr |
Thermal performance of a section of the MacKenzie Highway |
title_full_unstemmed |
Thermal performance of a section of the MacKenzie Highway |
title_sort |
thermal performance of a section of the mackenzie highway |
publishDate |
1983 |
url |
https://nrc-publications.canada.ca/eng/view/ft/?id=8addf126-dbe3-4f58-a547-56057e880d3f https://nrc-publications.canada.ca/eng/view/object/?id=8addf126-dbe3-4f58-a547-56057e880d3f https://nrc-publications.canada.ca/fra/voir/objet/?id=8addf126-dbe3-4f58-a547-56057e880d3f |
genre |
Mackenzie Valley permafrost pergélisol |
genre_facet |
Mackenzie Valley permafrost pergélisol |
op_relation |
Permafrost: 4th International Conference, Proceedings, Permafrost: 4th International Conference, July 17, 1983, Fairbanks, Alaska, United States, ISBN: 0-309-03435-3, Publication date: 1983, Pages: 353–358 report_number:DBR-P-1173 |
_version_ |
1810456326458834944 |