Soil Erosion and Soil and Water Conservation

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

Deadline for manuscript submissions: 31 October 2024 | Viewed by 1810

Special Issue Editors


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Guest Editor
Institute of Water Resources and Hydro-electric Engineering, Xi’an University of Technology, Xi’an 710048, China
Interests: soil and water conservation; erosion dynamics; hydrological process in arid regions; utilization of soil and water resources; ecological restoration

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Guest Editor Assistant
Institute of Water Resources and Hydro-electric Engineering, Xi’an University of Technology, Xi’an 710048, China
Interests: soil erosion; soil and water conservation; isotopic hydrology; ecological restoration; plant roots

Special Issue Information

Dear Colleagues,

Soil erosion is a global environmental problem, leading to reductions in land productivity, water scarcity, and ecological system degradation, thereby threating food security. Therefore, the work of soil and water conservation has emerged as a priority for some countries. However, soil erosion and soil and water conservation are a complicated process, and extensive research is needed to elucidate their underlying mechanisms and to take appropriate conservation measures.

In recent years, researchers have conducted extensive work on soil erosion processes and mechanisms, the effect of vegetation when engineering measures for erosion reduction, and the development of soil erosion models. Systematic studies have been carried out on hydrodynamics, soil properties, and accompanying processes, and abundant achievements have been made.

We invite contributions including analyses and empirical work focusing on soil erosion and soil and water conservation, carried out either globally or in specific regions. We also encourage empirical research on hydrological factors, climate change, and human activities that could affect soil erosion and soil and water conservation. Other original research articles and reviews are welcome. Research areas may include (but are not limited to) the following: hydrology, ecohydrology, climate change, soil quality, and vegetation restoration.

We look forward to receiving your contributions.

Prof. Dr. Peng Li
Guest Editor

Dr. Jianye Ma
Guest Editor Assistant

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Keywords

  • soil erosion
  • soil and water conservarion
  • ecohydrology
  • climate change
  • vegetation restoration
  • gully engineering

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Published Papers (2 papers)

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Research

12 pages, 3431 KiB  
Article
The Formation Mechanism of Soil Interflow in Loess Hill Gully
by Na Lei, Jichang Han, Yang Zhang, Zenghui Sun, Yanan Li and Liheng Xia
Water 2024, 16(17), 2371; https://doi.org/10.3390/w16172371 - 23 Aug 2024
Viewed by 386
Abstract
To address the problems of salinization of the soil in gully control and land-making projects, the formation mechanism of soil interflow from a gully valley on the Loess Plateau was investigated, regarding its interface, water source, and spatial-temporal distribution characteristics, through field location [...] Read more.
To address the problems of salinization of the soil in gully control and land-making projects, the formation mechanism of soil interflow from a gully valley on the Loess Plateau was investigated, regarding its interface, water source, and spatial-temporal distribution characteristics, through field location monitoring and isotope tracer technique. The results showed the following: (1) there are two types of soil interflow in the Loess Plateau, namely soil interflow in slope and in gully, with interflow in gully being the main form; (2) adequate water supply, layered soil structure, and geographic disparity are conditions for the formation of soil interflow in the gully; (3) soil water is recharged by precipitation, surface water, and groundwater. Surface water is an important source of soil water recharge at the 0–100 cm depth, whereas groundwater is an important source of soil water recharge at the 100–200 cm depth. The results provide a basis for the regulation of the soil interflow, resource utilization, and land quality improvement in the Loess Plateau. Full article
(This article belongs to the Special Issue Soil Erosion and Soil and Water Conservation)
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18 pages, 7378 KiB  
Article
Assessment of Soil Wind Erosion and Population Exposure Risk in Central Asia’s Terminal Lake Basins
by Wei Yu, Xiaofei Ma, Wei Yan and Yonghui Wang
Water 2024, 16(13), 1911; https://doi.org/10.3390/w16131911 - 4 Jul 2024
Viewed by 1035
Abstract
In the face of climate change and human activities, Central Asia’s (CA) terminal lake basins (TLBs) are shrinking, leading to deteriorating natural environments and serious soil wind erosion (SWE), which threatens regional socio-economic development, human health, and safety. Limited research on SWE and [...] Read more.
In the face of climate change and human activities, Central Asia’s (CA) terminal lake basins (TLBs) are shrinking, leading to deteriorating natural environments and serious soil wind erosion (SWE), which threatens regional socio-economic development, human health, and safety. Limited research on SWE and population exposure risk (PER) in these areas prompted this study, which applied the RWEQ and a PER model to assess the spatiotemporal changes in SWE and PER in TLBs in CA, including the Ili River Basin (IRB), Tarim River Basin (TRB), Syr Darya River Basin (SRB), and Amu Darya River Basin (ARB), from 2000 to 2020. We analyzed the driving factors of SWE and used the Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) model to simulate dust event trajectories. The findings from 2000 to 2020 show a spatial reduction trend in SWE and PER, with primary SWE areas in the Taklamakan Desert, Aral Sea Basin, and Lake Balkhash. Significant PER was observed along the Tarim River, near Lake Balkhash, and in the middle and lower reaches of the ARB and SRB. Over the past 21 years, temporal trends in SWE have occurred across basins, decreasing in the IRB, but increasing in the TRB, SRB, and ARB. Dust movement trajectories indicate that dust from the lower reaches of the SRB and ARB could affect Europe, while dust from the TRB could impact northern China and Japan. Correlations between SWE, NDVI, temperature, and precipitation revealed a negative correlation between precipitation and NDVI, suggesting an inhibitory impact of precipitation and vegetation cover on SWE. SWE also varied significantly under different LUCCs, with increases in cropland, forestland, and desert land, and decreases in grassland and wetland. These insights are vital for understanding SWE and PER in TLBs and offer theoretical support for emergency mitigation in arid regions. Full article
(This article belongs to the Special Issue Soil Erosion and Soil and Water Conservation)
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