Ancient and modern cold‐climate aeolian sand deposition: A review
Abstract Although partly active aeolian sand sheets and dunes cover large areas in the zones of (dis)continuous permafrost, little precise information is available about the influence of cold‐climate conditions on modern aeolian processes. This means that palaeoenvironmental reconstructions in the s...
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crwiley:10.1002/jqs.3390030109 2024-06-23T07:56:07+00:00 Ancient and modern cold‐climate aeolian sand deposition: A review Koster, Eduard A. 1988 http://dx.doi.org/10.1002/jqs.3390030109 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fjqs.3390030109 https://onlinelibrary.wiley.com/doi/pdf/10.1002/jqs.3390030109 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Journal of Quaternary Science volume 3, issue 1, page 69-83 ISSN 0267-8179 1099-1417 journal-article 1988 crwiley https://doi.org/10.1002/jqs.3390030109 2024-06-13T04:25:02Z Abstract Although partly active aeolian sand sheets and dunes cover large areas in the zones of (dis)continuous permafrost, little precise information is available about the influence of cold‐climate conditions on modern aeolian processes. This means that palaeoenvironmental reconstructions in the stabilised, mainly Late Pleistocene dune fields and cover sand regions in the ‘sand belts’ of the European Lowlands and the Northern Great Plains of the USA and Canada, are necessarily still based on ancient evidence. Cold‐climate wind deposits are typically derived from areas of abundant sediment supply like unvegetated flood plains, glacial outwash plains, till plains and lake shores. The common parabolic and transverse dune forms resemble those observed in temperate regions. Although a variety of periglacial features has been identified in Late Pleistocene dune and cover sands none of them indicate that permafrost is crucial to aeolian activity. Specific structures in aeolian strata permit tentative interpretation of the moisture content of depositional sand surfaces, the nature of annual sedimentation cycles and the processes by which strata were deposited and/or contorted. But surprisingly little is known about the role of vegetation in the process of sand accumulation. Dunes are most informative with respect to reconstructions of past wind regimes, which offer important data for verification of palaeoclimatic simulations. Article in Journal/Newspaper permafrost Wiley Online Library Canada Journal of Quaternary Science 3 1 69 83 |
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Wiley Online Library |
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crwiley |
language |
English |
description |
Abstract Although partly active aeolian sand sheets and dunes cover large areas in the zones of (dis)continuous permafrost, little precise information is available about the influence of cold‐climate conditions on modern aeolian processes. This means that palaeoenvironmental reconstructions in the stabilised, mainly Late Pleistocene dune fields and cover sand regions in the ‘sand belts’ of the European Lowlands and the Northern Great Plains of the USA and Canada, are necessarily still based on ancient evidence. Cold‐climate wind deposits are typically derived from areas of abundant sediment supply like unvegetated flood plains, glacial outwash plains, till plains and lake shores. The common parabolic and transverse dune forms resemble those observed in temperate regions. Although a variety of periglacial features has been identified in Late Pleistocene dune and cover sands none of them indicate that permafrost is crucial to aeolian activity. Specific structures in aeolian strata permit tentative interpretation of the moisture content of depositional sand surfaces, the nature of annual sedimentation cycles and the processes by which strata were deposited and/or contorted. But surprisingly little is known about the role of vegetation in the process of sand accumulation. Dunes are most informative with respect to reconstructions of past wind regimes, which offer important data for verification of palaeoclimatic simulations. |
format |
Article in Journal/Newspaper |
author |
Koster, Eduard A. |
spellingShingle |
Koster, Eduard A. Ancient and modern cold‐climate aeolian sand deposition: A review |
author_facet |
Koster, Eduard A. |
author_sort |
Koster, Eduard A. |
title |
Ancient and modern cold‐climate aeolian sand deposition: A review |
title_short |
Ancient and modern cold‐climate aeolian sand deposition: A review |
title_full |
Ancient and modern cold‐climate aeolian sand deposition: A review |
title_fullStr |
Ancient and modern cold‐climate aeolian sand deposition: A review |
title_full_unstemmed |
Ancient and modern cold‐climate aeolian sand deposition: A review |
title_sort |
ancient and modern cold‐climate aeolian sand deposition: a review |
publisher |
Wiley |
publishDate |
1988 |
url |
http://dx.doi.org/10.1002/jqs.3390030109 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fjqs.3390030109 https://onlinelibrary.wiley.com/doi/pdf/10.1002/jqs.3390030109 |
geographic |
Canada |
geographic_facet |
Canada |
genre |
permafrost |
genre_facet |
permafrost |
op_source |
Journal of Quaternary Science volume 3, issue 1, page 69-83 ISSN 0267-8179 1099-1417 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1002/jqs.3390030109 |
container_title |
Journal of Quaternary Science |
container_volume |
3 |
container_issue |
1 |
container_start_page |
69 |
op_container_end_page |
83 |
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1802648996406099968 |