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Improving soil hydrological simulation under freeze–thaw conditions by considering soil deformation and its impact on soil hydrothermal properties

Liu, Sheng LU ; Huang, Quanzhong ; Zhang, Wenxin LU orcid ; Ren, Dongyang and Huang, Guanhua (2023) In Journal of Hydrology 619.
Abstract

Traditional agricultural or eco-hydrological models usually ignore soil deformation and its impact on hydrothermal properties when simulating soil water, heat, and salt transport under freeze–thaw conditions. As a result, significant errors may occur when these models are used in areas with considerable frost heave, such as arid areas with shallow groundwater tables. In this study, the simultaneous heat and water model (SHAW model) was modified with considering soil deformation and its impact on hydrothermal properties during the freeze–thaw period. The modified SHAW model was then validated using the experimental data collected at the Hetao Irrigation District, in the upper Yellow River basin. Comparison between the simulated and... (More)

Traditional agricultural or eco-hydrological models usually ignore soil deformation and its impact on hydrothermal properties when simulating soil water, heat, and salt transport under freeze–thaw conditions. As a result, significant errors may occur when these models are used in areas with considerable frost heave, such as arid areas with shallow groundwater tables. In this study, the simultaneous heat and water model (SHAW model) was modified with considering soil deformation and its impact on hydrothermal properties during the freeze–thaw period. The modified SHAW model was then validated using the experimental data collected at the Hetao Irrigation District, in the upper Yellow River basin. Comparison between the simulated and observed data showed that the modified SHAW model performed well and obviously better than the original SHAW model in simulating the soil water, heat, and salt transport. As compared with the SHAW model, the modified SHAW model averagely decreased the RMSE value by 37.5% and 23% for soil water content and soil temperature, respectively. The modified model can be used as a decision tool for water management and salinity control of farmland in cold areas with significant frost heave.

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author
; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Freeze-thaw, Model modification, Soil deformation, Soil hydrothermal property, Soil water-heat-salt dynamics
in
Journal of Hydrology
volume
619
article number
129336
publisher
Elsevier
external identifiers
  • scopus:85150784209
ISSN
0022-1694
DOI
10.1016/j.jhydrol.2023.129336
language
English
LU publication?
yes
additional info
Funding Information: This research was jointly supported by the National Natural Science Foundation of China (grant numbers: U2243217 , 52220105007 ) and National Key R&D Program of China (grant number: 2021YFD1900601 ). Publisher Copyright: © 2023 Elsevier B.V.
id
5549cee0-aaa6-485d-9353-06dec8e3eb64
date added to LUP
2023-04-20 22:39:03
date last changed
2024-06-11 11:21:46
@article{5549cee0-aaa6-485d-9353-06dec8e3eb64,
  abstract     = {{<p>Traditional agricultural or eco-hydrological models usually ignore soil deformation and its impact on hydrothermal properties when simulating soil water, heat, and salt transport under freeze–thaw conditions. As a result, significant errors may occur when these models are used in areas with considerable frost heave, such as arid areas with shallow groundwater tables. In this study, the simultaneous heat and water model (SHAW model) was modified with considering soil deformation and its impact on hydrothermal properties during the freeze–thaw period. The modified SHAW model was then validated using the experimental data collected at the Hetao Irrigation District, in the upper Yellow River basin. Comparison between the simulated and observed data showed that the modified SHAW model performed well and obviously better than the original SHAW model in simulating the soil water, heat, and salt transport. As compared with the SHAW model, the modified SHAW model averagely decreased the RMSE value by 37.5% and 23% for soil water content and soil temperature, respectively. The modified model can be used as a decision tool for water management and salinity control of farmland in cold areas with significant frost heave.</p>}},
  author       = {{Liu, Sheng and Huang, Quanzhong and Zhang, Wenxin and Ren, Dongyang and Huang, Guanhua}},
  issn         = {{0022-1694}},
  keywords     = {{Freeze-thaw; Model modification; Soil deformation; Soil hydrothermal property; Soil water-heat-salt dynamics}},
  language     = {{eng}},
  publisher    = {{Elsevier}},
  series       = {{Journal of Hydrology}},
  title        = {{Improving soil hydrological simulation under freeze–thaw conditions by considering soil deformation and its impact on soil hydrothermal properties}},
  url          = {{http://dx.doi.org/10.1016/j.jhydrol.2023.129336}},
  doi          = {{10.1016/j.jhydrol.2023.129336}},
  volume       = {{619}},
  year         = {{2023}},
}