Changes in Unfrozen Water Contents in Warming Permafrost Soils

Climate warming in the Arctic, accompanied by changes in permafrost soil properties (mechanical, thermal, filtration, geophysical), is due to increasing unfrozen pore water content. The liquid component in frozen soils is an issue of key importance for permafrost engineering that has been extensivel...

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Published in:Geosciences
Main Authors: Evgeny Chuvilin, Natalia Sokolova, Boris Bukhanov
Format: Text
Language:English
Published: Multidisciplinary Digital Publishing Institute 2022
Subjects:
Online Access:https://doi.org/10.3390/geosciences12060253
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spelling ftmdpi:oai:mdpi.com:/2076-3263/12/6/253/ 2023-08-20T04:04:33+02:00 Changes in Unfrozen Water Contents in Warming Permafrost Soils Evgeny Chuvilin Natalia Sokolova Boris Bukhanov agris 2022-06-17 application/pdf https://doi.org/10.3390/geosciences12060253 EN eng Multidisciplinary Digital Publishing Institute Cryosphere https://dx.doi.org/10.3390/geosciences12060253 https://creativecommons.org/licenses/by/4.0/ Geosciences; Volume 12; Issue 6; Pages: 253 permafrost frozen soil phase composition of pore water unfrozen water content water potential method warming permafrost degradation Text 2022 ftmdpi https://doi.org/10.3390/geosciences12060253 2023-08-01T05:24:42Z Climate warming in the Arctic, accompanied by changes in permafrost soil properties (mechanical, thermal, filtration, geophysical), is due to increasing unfrozen pore water content. The liquid component in frozen soils is an issue of key importance for permafrost engineering that has been extensively studied since the beginning of the 20th century. We suggest a synthesis and new classification of various experimental and calculation methods for the determination of unfrozen water content. Special focus is placed on the method of applying measurements to the water potential, which reveals the impact of permafrost warming on unfrozen water content. This method was applied to natural soil samples collected from shallow permafrost from northern West Siberia affected by climate change, and confirms the revealed trends. The obtained results confirm that unfrozen water content is sensitive not only temperature but also particle size distribution, salinity, and the organic matter content of permafrost soils. Text Arctic Climate change permafrost Siberia MDPI Open Access Publishing Arctic Geosciences 12 6 253
institution Open Polar
collection MDPI Open Access Publishing
op_collection_id ftmdpi
language English
topic permafrost
frozen soil
phase composition of pore water
unfrozen water content
water potential method
warming
permafrost degradation
spellingShingle permafrost
frozen soil
phase composition of pore water
unfrozen water content
water potential method
warming
permafrost degradation
Evgeny Chuvilin
Natalia Sokolova
Boris Bukhanov
Changes in Unfrozen Water Contents in Warming Permafrost Soils
topic_facet permafrost
frozen soil
phase composition of pore water
unfrozen water content
water potential method
warming
permafrost degradation
description Climate warming in the Arctic, accompanied by changes in permafrost soil properties (mechanical, thermal, filtration, geophysical), is due to increasing unfrozen pore water content. The liquid component in frozen soils is an issue of key importance for permafrost engineering that has been extensively studied since the beginning of the 20th century. We suggest a synthesis and new classification of various experimental and calculation methods for the determination of unfrozen water content. Special focus is placed on the method of applying measurements to the water potential, which reveals the impact of permafrost warming on unfrozen water content. This method was applied to natural soil samples collected from shallow permafrost from northern West Siberia affected by climate change, and confirms the revealed trends. The obtained results confirm that unfrozen water content is sensitive not only temperature but also particle size distribution, salinity, and the organic matter content of permafrost soils.
format Text
author Evgeny Chuvilin
Natalia Sokolova
Boris Bukhanov
author_facet Evgeny Chuvilin
Natalia Sokolova
Boris Bukhanov
author_sort Evgeny Chuvilin
title Changes in Unfrozen Water Contents in Warming Permafrost Soils
title_short Changes in Unfrozen Water Contents in Warming Permafrost Soils
title_full Changes in Unfrozen Water Contents in Warming Permafrost Soils
title_fullStr Changes in Unfrozen Water Contents in Warming Permafrost Soils
title_full_unstemmed Changes in Unfrozen Water Contents in Warming Permafrost Soils
title_sort changes in unfrozen water contents in warming permafrost soils
publisher Multidisciplinary Digital Publishing Institute
publishDate 2022
url https://doi.org/10.3390/geosciences12060253
op_coverage agris
geographic Arctic
geographic_facet Arctic
genre Arctic
Climate change
permafrost
Siberia
genre_facet Arctic
Climate change
permafrost
Siberia
op_source Geosciences; Volume 12; Issue 6; Pages: 253
op_relation Cryosphere
https://dx.doi.org/10.3390/geosciences12060253
op_rights https://creativecommons.org/licenses/by/4.0/
op_doi https://doi.org/10.3390/geosciences12060253
container_title Geosciences
container_volume 12
container_issue 6
container_start_page 253
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