Field measurements of electrical freezing potentials in permafrost areas

Electrical potentials developed during freezing of natural soils have been measured in two permafrost areas: one in a saturated sand in a drained lake (Illisarvik) on Richards Island where permafrost was aggrading downward 5.65 m below ground; the other, in a mud hummock in the active layer at Inuvi...

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Main Authors: Parameswaran, V. R., Mackay, J. R.
Format: Article in Journal/Newspaper
Language:English
Published: 1983
Subjects:
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spelling ftnrccanada:oai:cisti-icist.nrc-cnrc.ca:cistinparc:20386368 2024-09-15T18:15:10+00:00 Field measurements of electrical freezing potentials in permafrost areas Parameswaran, V. R. Mackay, J. R. 1983 text https://nrc-publications.canada.ca/eng/view/ft/?id=ff330ce3-2067-43bb-9fcf-24cc0f4796ae https://nrc-publications.canada.ca/eng/view/object/?id=ff330ce3-2067-43bb-9fcf-24cc0f4796ae https://nrc-publications.canada.ca/fra/voir/objet/?id=ff330ce3-2067-43bb-9fcf-24cc0f4796ae eng eng Permafrost: 4th International Conference, Proceedings, Permafrost: 4th International Conference, July 17-22, 1983, Fairbanks, Alaska, United States, ISBN: 0-309-03435-3, Publication date: 1983, Pages: 962–967 report_number:DBR-P-1170 permafrost pergélisol soils sol (terre) electrical properties propriété électrique freezing congélation (physique) freeze thaw cycles gel dégel natural soils drained lake sand mud hummock Richards Island Inuvik article 1983 ftnrccanada 2024-08-05T14:05:07Z Electrical potentials developed during freezing of natural soils have been measured in two permafrost areas: one in a saturated sand in a drained lake (Illisarvik) on Richards Island where permafrost was aggrading downward 5.65 m below ground; the other, in a mud hummock in the active layer at Inuvik. Peak potentials of up to 1350 mV were measured on electrodes located on the advancing freezing front at Illisarvik. At Inuvik, maximum freezing potentials of up to 700 mV were measured as the active layer froze in winter. There was also evidence of downward water migration and freezing as the ground started to thaw at the surface in spring. Les tensions électriques qui apparaissent pendant la congélation des sols naturals ont été mesurées dans deux zones de pergélisol: l'une située dans le sable saturé d'un lac asséché (Illisarvik) sur l'île Richards où il y a épaississement du pergélisol vers le bas à 5,65 m sous la surface du sol et l'autre dans un tertre de vase dans la zone active à Inuvik. On a mesuré, au moyen d'électrodes placées sur le front de congélation à Illisarvik, des tensions de pointe atteignant 1350 mV. A Inuvik, on a mesuré des tensions de congélation maximales atteignant 700 mV pendant la congélation de la zone active en hiver. On a également observé des indices de migration vers le bas et de congélation de l'eau au moment du début du dégel du terrain en surface au printemps. Peer reviewed: Yes NRC publication: Yes Article in Journal/Newspaper Inuvik permafrost Richards Island 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)
electrical properties
propriété électrique
freezing
congélation (physique)
freeze thaw cycles
gel dégel
natural soils
drained lake
sand
mud hummock
Richards Island
Inuvik
spellingShingle permafrost
pergélisol
soils
sol (terre)
electrical properties
propriété électrique
freezing
congélation (physique)
freeze thaw cycles
gel dégel
natural soils
drained lake
sand
mud hummock
Richards Island
Inuvik
Parameswaran, V. R.
Mackay, J. R.
Field measurements of electrical freezing potentials in permafrost areas
topic_facet permafrost
pergélisol
soils
sol (terre)
electrical properties
propriété électrique
freezing
congélation (physique)
freeze thaw cycles
gel dégel
natural soils
drained lake
sand
mud hummock
Richards Island
Inuvik
description Electrical potentials developed during freezing of natural soils have been measured in two permafrost areas: one in a saturated sand in a drained lake (Illisarvik) on Richards Island where permafrost was aggrading downward 5.65 m below ground; the other, in a mud hummock in the active layer at Inuvik. Peak potentials of up to 1350 mV were measured on electrodes located on the advancing freezing front at Illisarvik. At Inuvik, maximum freezing potentials of up to 700 mV were measured as the active layer froze in winter. There was also evidence of downward water migration and freezing as the ground started to thaw at the surface in spring. Les tensions électriques qui apparaissent pendant la congélation des sols naturals ont été mesurées dans deux zones de pergélisol: l'une située dans le sable saturé d'un lac asséché (Illisarvik) sur l'île Richards où il y a épaississement du pergélisol vers le bas à 5,65 m sous la surface du sol et l'autre dans un tertre de vase dans la zone active à Inuvik. On a mesuré, au moyen d'électrodes placées sur le front de congélation à Illisarvik, des tensions de pointe atteignant 1350 mV. A Inuvik, on a mesuré des tensions de congélation maximales atteignant 700 mV pendant la congélation de la zone active en hiver. On a également observé des indices de migration vers le bas et de congélation de l'eau au moment du début du dégel du terrain en surface au printemps. Peer reviewed: Yes NRC publication: Yes
format Article in Journal/Newspaper
author Parameswaran, V. R.
Mackay, J. R.
author_facet Parameswaran, V. R.
Mackay, J. R.
author_sort Parameswaran, V. R.
title Field measurements of electrical freezing potentials in permafrost areas
title_short Field measurements of electrical freezing potentials in permafrost areas
title_full Field measurements of electrical freezing potentials in permafrost areas
title_fullStr Field measurements of electrical freezing potentials in permafrost areas
title_full_unstemmed Field measurements of electrical freezing potentials in permafrost areas
title_sort field measurements of electrical freezing potentials in permafrost areas
publishDate 1983
url https://nrc-publications.canada.ca/eng/view/ft/?id=ff330ce3-2067-43bb-9fcf-24cc0f4796ae
https://nrc-publications.canada.ca/eng/view/object/?id=ff330ce3-2067-43bb-9fcf-24cc0f4796ae
https://nrc-publications.canada.ca/fra/voir/objet/?id=ff330ce3-2067-43bb-9fcf-24cc0f4796ae
genre Inuvik
permafrost
Richards Island
pergélisol
genre_facet Inuvik
permafrost
Richards Island
pergélisol
op_relation Permafrost: 4th International Conference, Proceedings, Permafrost: 4th International Conference, July 17-22, 1983, Fairbanks, Alaska, United States, ISBN: 0-309-03435-3, Publication date: 1983, Pages: 962–967
report_number:DBR-P-1170
_version_ 1810452913307254784