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Measurements and Modeling in Soil Erosion: State of the Art

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

Deadline for manuscript submissions: closed (15 October 2024) | Viewed by 1042

Special Issue Editors


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Guest Editor
Center for Water Resources, College of Agriculture and Food Sciences, Florida A&M University, Tallahassee, FL 32307, USA
Interests: ecosystem sustainability; soil health; carbon and nutrient cycles

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Guest Editor
Watershed Physical Processes Research Unit, USDA-ARS-National Sedimentation Laboratory, United States Department of Agriculture, Oxford, MS 38655, USA
Interests: predicting and controlling sediment yield and other pollutants from small fields to large agricultural watersheds; riparian and wetland components within watershed models for application at watershed scales; for ephemeral gully erosion models; investigating and evaluating the effectiveness of riparian systems; instream stabilization structures; conservation practices on improving water quality

Special Issue Information

Dear Colleagues,

Soil erosion is a ubiquitous geomorphological process affecting the productivity and sustainability of agricultural lands. After decades of studies, we have gained substantial knowledge about soil erosion, mostly through extensive runoff-plot experiments, such as in support of the Universal Soil Loss Equation (USLE) and its revised form, RUSLE2, to estimate soil erosion by water, and the Wind Erosion Equation (WEQ) and the subsequent Wind Erosion Prediction System (WEPS) to estimate soil erosion by wind. There are significant gaps in soil erosion research that need to be filled. For example, we lack quality soil erosion field-scale data to verify and calibrate soil erosion models. We would benefit from the knowledge of sediment detachment and transport in fields and channels of a watershed system and their deposition into downstream water bodies. A process-based soil erosion modeling approach would be very desirable, with many already in development, such as the Water Erosion Prediction Project (WEPP). This Special Issue serves as a compendium of recent advances in soil erosion research, especially regarding measurements and modeling. This also serves as a platform for discussion on the direction of future soil erosion research needs. Contributions encompassing original research papers, reviews, and commentary on the subject matter are all welcome.

Dr. Yuch-Ping Hsieh
Dr. Ronald L Bingner
Guest Editors

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Keywords

  • soil loss
  • sediment redistribution
  • sediment movement
  • field-scale experiments
  • watershed
  • wind erosion
  • water erosion
  • erosion processes
  • erosion databases
  • modelling

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Published Papers (1 paper)

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Research

20 pages, 17915 KiB  
Article
The Spatial and Temporal Dynamics of Soil Conservation and Its Influencing Factors in the Ten Tributaries of the Upper Yellow River, China
by Xianglong Hou, Hui Yang and Jiansheng Cao
Water 2024, 16(20), 2888; https://doi.org/10.3390/w16202888 - 11 Oct 2024
Viewed by 635
Abstract
Soil erosion is a global environmental problem, and soil conservation is the prevention of soil loss from erosion. The Ten Kongduis (kongdui is the translation of “short-term flood gullies” in Mongolian) are ten tributaries in the upper Inner Mongolia section of the Yellow [...] Read more.
Soil erosion is a global environmental problem, and soil conservation is the prevention of soil loss from erosion. The Ten Kongduis (kongdui is the translation of “short-term flood gullies” in Mongolian) are ten tributaries in the upper Inner Mongolia section of the Yellow River Basin. The study of the spatial and temporal variability in soil conservation in the Ten Kongduis is of extraordinary scientific significance both in terms of the discipline and for the ecological and environmental management of the region. With the InVEST model, the characteristics of the spatial and temporal variations in soil conservation service in the Ten Kongduis since 2000 and how rainfall and land use have influenced soil conservation were analyzed. The results show that both avoided erosion and avoided export varied considerably between years. The minimum values of avoided erosion and avoided export were both in 2015, with values of 17.59 × 106 t and 0.92 × 106 t, respectively. The maximum value of avoided erosion was 57.03 × 106 t in 2020 and that of avoided export was 4.08 × 106 t in 2000. Spatially, avoided export was primarily found in the upper reaches of the east–central portion of the study area, and avoided erosion, with values of >40 t·(ha·yr)−1, was in the upper east–central portion of the study area, followed by the upper west–central portion. The difference between upstream and downstream was larger in the western part of the study area. The effect of rainfall was dominant and positive in both avoided erosion and avoided export. The relationships between the rain erosivity factor and the values of avoided erosion and avoided export were significantly positive. Where more erosion occurs, more erosion is retained. Soil that has been eroded away from slopes under vegetation or other water conservation measures may not necessarily be transported to the stream channel in the current year. These conclusions will help us to have a clearer understanding of where sediments are generated and transported and provide a scientific basis for soil and water conservation and ecosystem safety management of watersheds. Full article
(This article belongs to the Special Issue Measurements and Modeling in Soil Erosion: State of the Art)
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