Soil Physical and Environmental Conditions Controlling Patterned‐Ground Variability at a Continuous Permafrost Site, Svalbard
This study examines soil physical and environmental conditions controlling patterned‐ground variability on an alluvial fan in a continuous permafrost landscape, at Adventdalen, Svalbard. On‐site monitoring of ground temperature, soil moisture and snow depth, laboratory analyses of soil physical prop...
Published in: | Permafrost and Periglacial Processes |
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Language: | unknown |
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Online Access: | https://doi.org/10.1002/ppp.1924 |
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ftrepec:oai:RePEc:wly:perpro:v:28:y:2017:i:2:p:433-445 2023-05-15T13:05:41+02:00 Soil Physical and Environmental Conditions Controlling Patterned‐Ground Variability at a Continuous Permafrost Site, Svalbard Tatsuya Watanabe Norikazu Matsuoka Hanne H. Christiansen Stefanie Cable https://doi.org/10.1002/ppp.1924 unknown https://doi.org/10.1002/ppp.1924 article ftrepec https://doi.org/10.1002/ppp.1924 2020-12-04T13:31:25Z This study examines soil physical and environmental conditions controlling patterned‐ground variability on an alluvial fan in a continuous permafrost landscape, at Adventdalen, Svalbard. On‐site monitoring of ground temperature, soil moisture and snow depth, laboratory analyses of soil physical properties and principal component analysis indicate that the distribution of patterned ground depends primarily on soil texture, soil moisture and the winter ground thermal regime associated with snow cover. Mudboils and composite patterns (mudboils surrounded by small polygons) occupy well‐drained areas composed of clay‐rich aeolian sediments. Compared to mudboils, composite patterns show a sharper contrast in soil texture between barren centres and vegetated rims. Hummocks filled with organic materials develop on poorly drained lowlands associated with a shallow water table. Ice‐wedge polygons are dominant on sandy loess‐covered areas where the local wind regime minimises snow cover, enhancing ground cooling that promotes thermal contraction cracking. Copyright © 2016 John Wiley & Sons, Ltd. Article in Journal/Newspaper Adventdalen Ice permafrost Svalbard wedge* RePEc (Research Papers in Economics) Adventdalen ENVELOPE(16.264,16.264,78.181,78.181) Svalbard Permafrost and Periglacial Processes 28 2 433 445 |
institution |
Open Polar |
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RePEc (Research Papers in Economics) |
op_collection_id |
ftrepec |
language |
unknown |
description |
This study examines soil physical and environmental conditions controlling patterned‐ground variability on an alluvial fan in a continuous permafrost landscape, at Adventdalen, Svalbard. On‐site monitoring of ground temperature, soil moisture and snow depth, laboratory analyses of soil physical properties and principal component analysis indicate that the distribution of patterned ground depends primarily on soil texture, soil moisture and the winter ground thermal regime associated with snow cover. Mudboils and composite patterns (mudboils surrounded by small polygons) occupy well‐drained areas composed of clay‐rich aeolian sediments. Compared to mudboils, composite patterns show a sharper contrast in soil texture between barren centres and vegetated rims. Hummocks filled with organic materials develop on poorly drained lowlands associated with a shallow water table. Ice‐wedge polygons are dominant on sandy loess‐covered areas where the local wind regime minimises snow cover, enhancing ground cooling that promotes thermal contraction cracking. Copyright © 2016 John Wiley & Sons, Ltd. |
format |
Article in Journal/Newspaper |
author |
Tatsuya Watanabe Norikazu Matsuoka Hanne H. Christiansen Stefanie Cable |
spellingShingle |
Tatsuya Watanabe Norikazu Matsuoka Hanne H. Christiansen Stefanie Cable Soil Physical and Environmental Conditions Controlling Patterned‐Ground Variability at a Continuous Permafrost Site, Svalbard |
author_facet |
Tatsuya Watanabe Norikazu Matsuoka Hanne H. Christiansen Stefanie Cable |
author_sort |
Tatsuya Watanabe |
title |
Soil Physical and Environmental Conditions Controlling Patterned‐Ground Variability at a Continuous Permafrost Site, Svalbard |
title_short |
Soil Physical and Environmental Conditions Controlling Patterned‐Ground Variability at a Continuous Permafrost Site, Svalbard |
title_full |
Soil Physical and Environmental Conditions Controlling Patterned‐Ground Variability at a Continuous Permafrost Site, Svalbard |
title_fullStr |
Soil Physical and Environmental Conditions Controlling Patterned‐Ground Variability at a Continuous Permafrost Site, Svalbard |
title_full_unstemmed |
Soil Physical and Environmental Conditions Controlling Patterned‐Ground Variability at a Continuous Permafrost Site, Svalbard |
title_sort |
soil physical and environmental conditions controlling patterned‐ground variability at a continuous permafrost site, svalbard |
url |
https://doi.org/10.1002/ppp.1924 |
long_lat |
ENVELOPE(16.264,16.264,78.181,78.181) |
geographic |
Adventdalen Svalbard |
geographic_facet |
Adventdalen Svalbard |
genre |
Adventdalen Ice permafrost Svalbard wedge* |
genre_facet |
Adventdalen Ice permafrost Svalbard wedge* |
op_relation |
https://doi.org/10.1002/ppp.1924 |
op_doi |
https://doi.org/10.1002/ppp.1924 |
container_title |
Permafrost and Periglacial Processes |
container_volume |
28 |
container_issue |
2 |
container_start_page |
433 |
op_container_end_page |
445 |
_version_ |
1766390871181230080 |