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Advances in Soil Water Dynamics Research
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Advances in Soil Water Dynamics Research

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Soil and Water".

Deadline for manuscript submissions: 20 September 2025 | Viewed by 705

Special Issue Editors

Prof. Dr. Junfeng Chen

E-Mail Website
Guest Editor
College of Water Resources and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
Interests: soil water; vadose zone; freeze–thaw period; soil evaporation; groundwater; soil salt content
Dr. Jing Xue

E-Mail Website
Guest Editor Assistant
College of Water Resources and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
Interests: soil water; freeze–thaw period; soil water–heat–salt; distributed SHAW model; soil evaporation

Special Issue Information

Dear Colleagues,

Soil water dynamics address fluid movement in porous media and can lay a cognitive foundation for the efficient use of agricultural water resources, the ecological construction of river basins, and the optimization of soil water resources. However, the current understanding of the mechanism behind these dynamics is not uniform, and there are shortcomings in the accuracy of the model, the scope of application, and the utilization of technology. With rapid developments in numerical simulation technology, numerical simulation software based on solving the soil water movement process has been fully integrated into the study of water transport at different spatio-temporal scales. In order to further understand the transport process in soil water, this Special Issue will publish contributions focusing on the following:

  • advanced methods for field and laboratory experiments into soil water migration and evaporation;
  • influence of factors such as climate change on soil water dynamics;
  • the application of numerical models and new methods, such as remote sensing technology.

We believe that this Special Issue will further advance the scholarship in the field of soil water dynamics and enrich currently available data and findings in the field of unsaturated-zone hydrodynamics.

Prof. Dr. Junfeng Chen
Guest Editor

Dr. Jing Xue
Guest Editor Assistant

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Water is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • soil water
  • climate change
  • hydrothermal transport
  • model
  • remote sensing

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Published Papers (1 paper)

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Research

17 pages, 2940 KiB  
Article
Variations in Soil Salt Ions and Salinization Degree in Shallow Groundwater Areas During the Freeze–Thaw Period
by Chao Han, Qiang Meng, Junfeng Chen, Lihong Cui, Jing Xue, Hongwu Liu and Rong Yan
Water 2025, 17(15), 2234; https://doi.org/10.3390/w17152234 (registering DOI) - 26 Jul 2025
Abstract
In shallow groundwater areas, the freeze–thaw process can easily exacerbate soil salinization. The variations and migrations of Na+, K+, Ca2+, Mg2+, Cl−, SO42−, and HCO3− at the depth [...] Read more.
In shallow groundwater areas, the freeze–thaw process can easily exacerbate soil salinization. The variations and migrations of Na+, K+, Ca2+, Mg2+, Cl−, SO42−, and HCO3− at the depth of 0–100 cm under shallow groundwater depth (2.63–2.87 m) during the freeze–thaw period were analyzed. And a multi-index comprehensive evaluation method based on factor analysis was employed to investigate the soil salinization degree. The results show that K+, Mg2+, and HCO3− exhibited surface enrichment during the freeze–thaw period, while Na+, Cl−, and SO42− accumulated in the frozen layer during the freezing stage. However, there is no surface enrichment of Ca2+. During the freezing stage, Mg2+ and Cl− exhibited the strongest migration capabilities among cations and anions, respectively. During the thawing stage, K+ and HCO3− were the cation and anion with the highest ionic migration capabilities, respectively. Total salinity (TS), Cl−, SO42−, HCO3−, Na+, K+, Mg2+, and residual sodium carbonate (RSC) were identified as the dominant factors influencing the salinization degree during the freeze–thaw period. During the freezing stage, soil salt ions predominantly migrated from the unfrozen to the frozen layer, and the salinization degree in the frozen layer increased with the development of the frozen layer. In the thawing stage, soil salt ions migrated upward from the thawing front, and the salinization degree at the depth of 0–30 cm increased. This study provides insights for the prevention and control of soil salinization in arid regions. Full article
(This article belongs to the Special Issue Advances in Soil Water Dynamics Research)
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