[1]Wei Jianjun,Qu Xueming,Zhang Qiong,et al.Research trends and prospects of global soil and water conservation measure factor[J].Research of Soil and Water Conservation,2025,32(06):77-83.[doi:10.13869/j.cnki.rswc.2025.06.034]
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Research trends and prospects of global soil and water conservation measure factor
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
32
Number of periods:
2025 06
Page number:
77-83
Column:
Public date:
2025-10-20
- Title:
- Research trends and prospects of global soil and water conservation measure factor
- Keywords:
- soil erosion; USLE; RUSLE; P factor; soil and water conservation measures
- CLC:
- S157.1
- DOI:
- 10.13869/j.cnki.rswc.2025.06.034
- Abstract:
- [Objective] The Universal Soil Loss Equation (USLE) and its family of models are widely used across the globe for soil erosion estimation at different scales. The soil and water conservation measure factor(P) is one of the key parameters in erosion prediction models. Exploring effective methods for assigning and calculating the P factor is essential for enhancing the accuracy of soil erosion estimation. However, due to the effects of regional variations and spatiotemporal scales on the erosion control mechanisms and effectiveness of soil and water conservation measures, the quantification and assignment of the P factor remain highly uncertain. [Methods] This study reviews the research progress on the P factor, thoroughly discusses the influencing factors and determination methods of measure factor, and proposes various optimization and improvement measures to enhance the efficiency and effectiveness of soil and water conservation efforts. [Results] The estimation methods include runoff plot observation method, empirical value method, extraction method based on remote sensing(RS) and geographic information systems(GIS), and empirical model equation method. [Conclusion] This study analyzes the limitations of current P-factor research, including insufficient data accumulation, single-scale analysis, and inadequate consideration of all relevant variables. Furthermore, it outlines the future development directions and research focus in this field, aiming to provide scientific support for the quantitative research on soil erosion across different geoclimatic regions and spatiotemporal scales.
- References:
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Last Update:
2025-12-10