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Spatiotemporal Evolution of Soil Erosion and Its Driving Mechanism in the Mongolian Section of the Yellow River Basin

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  • Tian Tian

    (Yinshanbeilu National Field Research Station of Steppe Eco-Hydrological System, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
    Institute of Water Resources for Pastoral Area, Ministry of Water Resources, Hohhot 010020, China
    Desert Science and Engineering College, Inner Mongolia Agricultural University, Hohhot 010018, China
    Tian Tian and Zhenqi Yang are co-frist authors.)

  • Zhenqi Yang

    (Yinshanbeilu National Field Research Station of Steppe Eco-Hydrological System, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
    Institute of Water Resources for Pastoral Area, Ministry of Water Resources, Hohhot 010020, China
    Tian Tian and Zhenqi Yang are co-frist authors.)

  • Jianying Guo

    (Yinshanbeilu National Field Research Station of Steppe Eco-Hydrological System, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
    Institute of Water Resources for Pastoral Area, Ministry of Water Resources, Hohhot 010020, China)

  • Tiegang Zhang

    (Yinshanbeilu National Field Research Station of Steppe Eco-Hydrological System, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
    Institute of Water Resources for Pastoral Area, Ministry of Water Resources, Hohhot 010020, China)

  • Ziwei Wang

    (Yinshanbeilu National Field Research Station of Steppe Eco-Hydrological System, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
    Institute of Water Resources for Pastoral Area, Ministry of Water Resources, Hohhot 010020, China
    Desert Science and Engineering College, Inner Mongolia Agricultural University, Hohhot 010018, China)

  • Ping Miao

    (Ordos River and Lake Protection Center, Erdos 017200, China)

Abstract

Soil erosion is a popular environmental issue that threatens sustainability. Influenced by multiple factors, such as climate, soil, and terrain, Baotou City, which is in the Bohai Sea Economic Circle and the Economic Belt along the Yellow River, has a severe ecological environment. In this study, revised soil and soil wind erosion equations were used to evaluate the soil erosion dynamics in Baotou City, and the potential driving factors of soil erosion were further investigated. Results showed that from 1990 to 2020, the water erosion modulus in Baotou City increased first, decreased, and then increased, with great fluctuations in annual changes. The wind erosion modulus decreased continuously, with a small fluctuation in annual changes. Water erosion in 2020 was more severe, with 4840.5 km 2 added to the desert steppe and 1300.5 km 2 reduced in the Yellow River Basin. The extent of wind erosion was significantly reduced, and the phenomenon of wind erosion improved. Meteorological factors are the primary factors that influence soil water erosion and soil wind erosion. Meanwhile, adverse climate changes can alter physical and chemical soil properties and vegetation coverage, thereby indirectly influencing soil erosion. With the implementation of the Beijing–Tianjin sandstorm source control, the farmland return to forest project, the ecological restoration and protection project at the southern and northern foothills of Daqingshan Mountains, grazing prohibition, and rotation grazing—including grassland awards, subsidies, and other policies and systems during this period—the overall deteriorating trend of the grassland ecological environment in Baotou was contained, grassland ecological system functions were improved, wind and sand erosion was prevented, biodiversity was maintained, and the ecological service functions of soil and water conservation were guaranteed.

Suggested Citation

  • Tian Tian & Zhenqi Yang & Jianying Guo & Tiegang Zhang & Ziwei Wang & Ping Miao, 2023. "Spatiotemporal Evolution of Soil Erosion and Its Driving Mechanism in the Mongolian Section of the Yellow River Basin," Land, MDPI, vol. 12(4), pages 1-18, March.
    • Handle: RePEc:gam:jlands:v:12:y:2023:i:4:p:801-:d:1113471
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    References listed on IDEAS

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    1. Simon Scheper & Thomas Weninger & Barbara Kitzler & Lenka Lackóová & Wim Cornelis & Peter Strauss & Kerstin Michel, 2021. "Comparison of the Spatial Wind Erosion Patterns of Erosion Risk Mapping and Quantitative Modeling in Eastern Austria," Land, MDPI, vol. 10(9), pages 1-24, September.
    2. Adrian Chappell & Jeffrey Baldock & Jonathan Sanderman, 2016. "The global significance of omitting soil erosion from soil organic carbon cycling schemes," Nature Climate Change, Nature, vol. 6(2), pages 187-191, February.
    3. Margherita Bufalini & Marco Materazzi & Chiara Martinello & Edoardo Rotigliano & Gilberto Pambianchi & Michele Tromboni & Marco Paniccià, 2022. "Soil Erosion and Deposition Rate Inside an Artificial Reservoir in Central Italy: Bathymetry versus RUSLE and Morphometry," Land, MDPI, vol. 11(11), pages 1-22, October.
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