Comparison of Soil‐Freezing and Soil‐Water Characteristic Curves of Two Canadian Soils
Core Ideas The similarity between SFCC and SWCC, and hysteresis of SFCC are reviewed. The SFCC and SWCC of two fine‐grained soils are measured and analyzed. No quantitative similarity is found between the measured SFCC and SWCC. Several concerns regarding the similarity between SFCC and SWCC are dis...
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crwiley:10.2136/vzj2018.10.0185 2024-06-23T07:56:09+00:00 Comparison of Soil‐Freezing and Soil‐Water Characteristic Curves of Two Canadian Soils Ren, Junping Vanapalli, Sai K. China Scholarship Council (CSC)-University of Ottawa Natural Sciences and Engineering Research Council of Canada Ministry of Transportation of Ontario (MTO), Canada 2019 http://dx.doi.org/10.2136/vzj2018.10.0185 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.2136%2Fvzj2018.10.0185 https://onlinelibrary.wiley.com/doi/pdf/10.2136/vzj2018.10.0185 https://onlinelibrary.wiley.com/doi/full-xml/10.2136/vzj2018.10.0185 en eng Wiley http://creativecommons.org/licenses/by-nc-nd/4.0/ Vadose Zone Journal volume 18, issue 1, page 1-14 ISSN 1539-1663 1539-1663 journal-article 2019 crwiley https://doi.org/10.2136/vzj2018.10.0185 2024-06-11T04:49:58Z Core Ideas The similarity between SFCC and SWCC, and hysteresis of SFCC are reviewed. The SFCC and SWCC of two fine‐grained soils are measured and analyzed. No quantitative similarity is found between the measured SFCC and SWCC. Several concerns regarding the similarity between SFCC and SWCC are discussed. The drying–wetting and freezing–thawing cycles significantly influence the soil pore water in the vadose zone in permafrost and seasonally frozen regions. The soil‐freezing characteristic curve (SFCC) describes the relationship between unfrozen water content and subzero temperature in a soil at frozen condition. Several studies suggest that the SFCC of a frozen saturated soil is similar to soil‐water characteristic curve (SWCC), which describes the relationship between water content and suction for a soil under unfrozen unsaturated condition. In the present study, the similarity between SFCC and SWCC, and possible reasons for the hysteresis of SFCC are succinctly reviewed. The SFCC and SWCC of two Canadian soils were measured and critically interpreted to understand the fundamental behavior of SFCC in comparison with the SWCC. The observed hysteresis of SFCC for the two soils was mainly associated with the supercooling of pore water. The measured SFCC and SWCC of the two soils show quantitative dissimilarity rather than similarity. This may be attributed to the experimental limitations and possible fundamental differences between drying–wetting and freezing–thawing processes. In addition, several concerns regarding the similarity between SFCC and SWCC are discussed. The present study highlights that rigorous investigations are required for better understanding the SFCC to facilitate its use for cold‐region engineering practice applications. Article in Journal/Newspaper permafrost Wiley Online Library Vadose Zone Journal 18 1 1 14 |
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English |
description |
Core Ideas The similarity between SFCC and SWCC, and hysteresis of SFCC are reviewed. The SFCC and SWCC of two fine‐grained soils are measured and analyzed. No quantitative similarity is found between the measured SFCC and SWCC. Several concerns regarding the similarity between SFCC and SWCC are discussed. The drying–wetting and freezing–thawing cycles significantly influence the soil pore water in the vadose zone in permafrost and seasonally frozen regions. The soil‐freezing characteristic curve (SFCC) describes the relationship between unfrozen water content and subzero temperature in a soil at frozen condition. Several studies suggest that the SFCC of a frozen saturated soil is similar to soil‐water characteristic curve (SWCC), which describes the relationship between water content and suction for a soil under unfrozen unsaturated condition. In the present study, the similarity between SFCC and SWCC, and possible reasons for the hysteresis of SFCC are succinctly reviewed. The SFCC and SWCC of two Canadian soils were measured and critically interpreted to understand the fundamental behavior of SFCC in comparison with the SWCC. The observed hysteresis of SFCC for the two soils was mainly associated with the supercooling of pore water. The measured SFCC and SWCC of the two soils show quantitative dissimilarity rather than similarity. This may be attributed to the experimental limitations and possible fundamental differences between drying–wetting and freezing–thawing processes. In addition, several concerns regarding the similarity between SFCC and SWCC are discussed. The present study highlights that rigorous investigations are required for better understanding the SFCC to facilitate its use for cold‐region engineering practice applications. |
author2 |
China Scholarship Council (CSC)-University of Ottawa Natural Sciences and Engineering Research Council of Canada Ministry of Transportation of Ontario (MTO), Canada |
format |
Article in Journal/Newspaper |
author |
Ren, Junping Vanapalli, Sai K. |
spellingShingle |
Ren, Junping Vanapalli, Sai K. Comparison of Soil‐Freezing and Soil‐Water Characteristic Curves of Two Canadian Soils |
author_facet |
Ren, Junping Vanapalli, Sai K. |
author_sort |
Ren, Junping |
title |
Comparison of Soil‐Freezing and Soil‐Water Characteristic Curves of Two Canadian Soils |
title_short |
Comparison of Soil‐Freezing and Soil‐Water Characteristic Curves of Two Canadian Soils |
title_full |
Comparison of Soil‐Freezing and Soil‐Water Characteristic Curves of Two Canadian Soils |
title_fullStr |
Comparison of Soil‐Freezing and Soil‐Water Characteristic Curves of Two Canadian Soils |
title_full_unstemmed |
Comparison of Soil‐Freezing and Soil‐Water Characteristic Curves of Two Canadian Soils |
title_sort |
comparison of soil‐freezing and soil‐water characteristic curves of two canadian soils |
publisher |
Wiley |
publishDate |
2019 |
url |
http://dx.doi.org/10.2136/vzj2018.10.0185 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.2136%2Fvzj2018.10.0185 https://onlinelibrary.wiley.com/doi/pdf/10.2136/vzj2018.10.0185 https://onlinelibrary.wiley.com/doi/full-xml/10.2136/vzj2018.10.0185 |
genre |
permafrost |
genre_facet |
permafrost |
op_source |
Vadose Zone Journal volume 18, issue 1, page 1-14 ISSN 1539-1663 1539-1663 |
op_rights |
http://creativecommons.org/licenses/by-nc-nd/4.0/ |
op_doi |
https://doi.org/10.2136/vzj2018.10.0185 |
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Vadose Zone Journal |
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18 |
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14 |
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1802649044954120192 |