Pleistocene ice and sand wedges, Hooper Island, Northwest Territories
Buried ice and sand wedges have been found in glacially deformed sediments that can be no younger than the early Wisconsinan. The environmental conditions at the time of ice-wedge cracking have been inferred from the number of elementary ice veinlets, the vertical extent of the wedges, collapse stru...
Published in: | Canadian Journal of Earth Sciences |
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Language: | English |
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Canadian Science Publishing
1983
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Online Access: | http://dx.doi.org/10.1139/e83-097 http://www.nrcresearchpress.com/doi/pdf/10.1139/e83-097 |
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crcansciencepubl:10.1139/e83-097 2024-09-15T18:11:26+00:00 Pleistocene ice and sand wedges, Hooper Island, Northwest Territories Mackay, J. Ross Matthews Jr., J. V. 1983 http://dx.doi.org/10.1139/e83-097 http://www.nrcresearchpress.com/doi/pdf/10.1139/e83-097 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Canadian Journal of Earth Sciences volume 20, issue 7, page 1087-1097 ISSN 0008-4077 1480-3313 journal-article 1983 crcansciencepubl https://doi.org/10.1139/e83-097 2024-07-25T04:10:07Z Buried ice and sand wedges have been found in glacially deformed sediments that can be no younger than the early Wisconsinan. The environmental conditions at the time of ice-wedge cracking have been inferred from the number of elementary ice veinlets, the vertical extent of the wedges, collapse structures, oxygen isotope ratios, and macrofossils of plants and insects. The winter ground and summer climates were probably as warm or warmer than the present. The preservation of the ice in the ice wedges shows that permafrost has been present at Hooper Island since at least the early Wisconsinan. Article in Journal/Newspaper Ice Northwest Territories permafrost wedge* Canadian Science Publishing Canadian Journal of Earth Sciences 20 7 1087 1097 |
institution |
Open Polar |
collection |
Canadian Science Publishing |
op_collection_id |
crcansciencepubl |
language |
English |
description |
Buried ice and sand wedges have been found in glacially deformed sediments that can be no younger than the early Wisconsinan. The environmental conditions at the time of ice-wedge cracking have been inferred from the number of elementary ice veinlets, the vertical extent of the wedges, collapse structures, oxygen isotope ratios, and macrofossils of plants and insects. The winter ground and summer climates were probably as warm or warmer than the present. The preservation of the ice in the ice wedges shows that permafrost has been present at Hooper Island since at least the early Wisconsinan. |
format |
Article in Journal/Newspaper |
author |
Mackay, J. Ross Matthews Jr., J. V. |
spellingShingle |
Mackay, J. Ross Matthews Jr., J. V. Pleistocene ice and sand wedges, Hooper Island, Northwest Territories |
author_facet |
Mackay, J. Ross Matthews Jr., J. V. |
author_sort |
Mackay, J. Ross |
title |
Pleistocene ice and sand wedges, Hooper Island, Northwest Territories |
title_short |
Pleistocene ice and sand wedges, Hooper Island, Northwest Territories |
title_full |
Pleistocene ice and sand wedges, Hooper Island, Northwest Territories |
title_fullStr |
Pleistocene ice and sand wedges, Hooper Island, Northwest Territories |
title_full_unstemmed |
Pleistocene ice and sand wedges, Hooper Island, Northwest Territories |
title_sort |
pleistocene ice and sand wedges, hooper island, northwest territories |
publisher |
Canadian Science Publishing |
publishDate |
1983 |
url |
http://dx.doi.org/10.1139/e83-097 http://www.nrcresearchpress.com/doi/pdf/10.1139/e83-097 |
genre |
Ice Northwest Territories permafrost wedge* |
genre_facet |
Ice Northwest Territories permafrost wedge* |
op_source |
Canadian Journal of Earth Sciences volume 20, issue 7, page 1087-1097 ISSN 0008-4077 1480-3313 |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/e83-097 |
container_title |
Canadian Journal of Earth Sciences |
container_volume |
20 |
container_issue |
7 |
container_start_page |
1087 |
op_container_end_page |
1097 |
_version_ |
1810449026896625664 |