Assessment of Spatial–Temporal Variations of Soil Erosion in Hulunbuir Plateau from 2000 to 2050

Jianglong Yuan, Xiaohuang Liu (), Hongyu Li, Ran Wang, Xinping Luo, Liyuan Xing, Chao Wang and Honghui Zhao
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Jianglong Yuan: College of Geography and Remote Sensing Sciences, Xinjiang University, Urumqi 830017, China
Xiaohuang Liu: Key Laboratory of Natural Resource Coupling Process and Effects, Beijing 100055, China
Hongyu Li: Key Laboratory of Natural Resource Coupling Process and Effects, Beijing 100055, China
Ran Wang: Key Laboratory of Natural Resource Coupling Process and Effects, Beijing 100055, China
Xinping Luo: Key Laboratory of Natural Resource Coupling Process and Effects, Beijing 100055, China
Liyuan Xing: Key Laboratory of Natural Resource Coupling Process and Effects, Beijing 100055, China
Chao Wang: Natural Resources Comprehensive Survey Command Center, China Geological Survey, Beijing 100055, China
Honghui Zhao: Natural Resources Comprehensive Survey Command Center, China Geological Survey, Beijing 100055, China

Land, 2023, vol. 12, issue 6, 1-23

Abstract: The study area was the Hulunbuir Plateau in northeastern China, based on a natural resource element observation study. The assessment of the spatial and temporal variation of soil erosion is crucial for implementing environmental management in the fragile ecosystem of the Hulunbuir Plateau. The study provides an interesting basis for soil erosion control on the Hulunbuir Plateau and other areas with similar climatic conditions, with the aim of providing sound data to support environmental protection policies in the study area. In this study, the spatial and temporal variations in soil erosion in the region from 2000 to 2020 were quantitatively assessed using the Revised Universal Soil Loss Equation. Furthermore, the patch-generating land use simulation model predicted future soil erosion. Land use prediction data were examined using Kappa coefficients. The prediction of future land use types using CMIP6 data and natural social data in the PLUS model were used to predict soil erosion for different future scenarios. The results showed that the soil erosion rate on the Hulunbuir Plateau showed a significant increasing trend in time from 2000 to 2020. Spatially, soil erosion increases gradually from the west to the east. Soil erosion occurs mainly on grasslands, while cultivated lands show a significant increasing trend by 2020. Slope erosion occurs mainly in areas between 15° and 35°. From 2020 to 2050, soil erosion will increase significantly due to increased precipitation. The soil erosion in SSP2–4.5 is better than the other scenarios.

Keywords: soil erosion; RUSLE model; time and space evolution; future prediction; Hulunbuir Plateau (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2023
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