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Effects of Hydrology on Soil Erosion and Soil Water Conservation

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

Deadline for manuscript submissions: 25 July 2025 | Viewed by 324

Special Issue Editors


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Guest Editor
Yunnan Key Laboratory of Soil Erosion Prevention and Green Development, Institute of International Rivers and Eco-Security, Yunnan University, Kunming 650500, China
Interests: gully erosion; headcut retreat; concentrated flow; jet flow; plunge pools; soil properties; vegetation
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Guest Editor
Key Laboratory of Mollisols Agroecology, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Harbin 150081, China
Interests: gully erosion; gully expansion; headcut migration; landform evolution; erosion control measure
Special Issues, Collections and Topics in MDPI journals
School of Geographical Sciences, China West Normal University, Nanchong, China
Interests: gully erosion; water erosion; soil and water conservation; hydrological properties; sediment yield; morphological evolution; vegetation

Special Issue Information

Dear Colleagues,

Water erosion is the most widely distributed type of soil erosion on earth. This Special Issue focuses on different water erosion processes, i.e., splash erosion, rill and interrill erosion, gully erosion, piping, etc., and aims to reveal the influences of different hydrodynamic processes (such as rainfall, overland flow, concentrated flow, jet flow, infiltration and subsurface flow, snowmelt runoff, etc.) on soil erosion, as well as the effects and mechanism of different soil conservation measures on water erosion. This Special Issue seeks relevant research studies employing different methods, including field investigations and experimental and model simulation, conducted on different time and spatial scales, aiming to progress this field of research and offer new perspectives related to water erosion.

Dr. Yifan Dong
Dr. Mingming Guo
Dr. Dan Yang
Guest Editors

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Keywords

  • water erosion
  • splash erosion
  • rainfall
  • overland flow
  • concentrated flow
  • jet flow
  • infiltration
  • subsurface flow
  • modeling
  • soil conservation

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Published Papers (1 paper)

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Research

18 pages, 2268 KiB  
Article
Study of the Hydrological and Erosion Characteristics of Typical Spoil Heaps in the Yangtze River Delta of China
by Yanzi He, Jing Du, Zhujun Gu, Yunhao Li, Jin Ni, Jiasheng Wu, Guanghui Liao and Maimai Zeng
Water 2025, 17(8), 1220; https://doi.org/10.3390/w17081220 - 18 Apr 2025
Viewed by 141
Abstract
Spoil heaps have become a major source of anthropogenic soil erosion, but the hydrological responses and erosion mechanisms of in situ slopes under rainstorms remain poorly understood. We performed simulated rainfall experiments at real estate (Site A), railway (Site B), and railway station [...] Read more.
Spoil heaps have become a major source of anthropogenic soil erosion, but the hydrological responses and erosion mechanisms of in situ slopes under rainstorms remain poorly understood. We performed simulated rainfall experiments at real estate (Site A), railway (Site B), and railway station (Site C) construction sites, as well as spoil sites (Site D) in China’s Yangtze River Delta. Rainfall parameters, surface runoff, interflow, vertical soil moisture profiles, and sediment yield were monitored: (1) Hydrological responses differed significantly across the sites due to soil structure complexity; stable erosion after the first rainfall event was not achieved at any site except Site C. Soil erosion was the strongest at Site C, followed by Sites D, B, and A. After the second rainfall event, erosion was stable, increasing, and decreasing at Sites A, B and C, and D, respectively. (2) Runoff and the soil loss rate were positively correlated (R2 > 0.7), and the slopes of the fitted regression lines were highest for Sites B and C, followed by Sites D and A. (3) Soil erodibility values based on field data were 0.0029, 0.1164, 0.1974, and 0.0989 t·hm2·h·hm−2·MJ−1·mm−1 for Sites A, B, C, and D, respectively. (4) The soil bulk density, gravel content, and silt content were key factors contributing to the severe erosion of field spoil heaps. Spoil heaps from different project types exhibited distinct hydrological and erosional behaviors, which necessitates targeted mitigation strategies to reduce severe erosion and landslide risks. Full article
(This article belongs to the Special Issue Effects of Hydrology on Soil Erosion and Soil Water Conservation)
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