Soil erosion models are effective tools for assessing soil erosion indicators and simulating erosion processes.China has some of the most severe soil erosion in the world.To better apply soil erosion models to address...Soil erosion models are effective tools for assessing soil erosion indicators and simulating erosion processes.China has some of the most severe soil erosion in the world.To better apply soil erosion models to address soil erosion issues,it is necessary to understand the development process and current status of soil erosion modeling research in China.In this study,a combination of bibliometric analysis and statistical methods was used to review and organize Chinese soil erosion models(1982-2022)from various perspectives,including keywords,model operations,model classification,model spatiotemporal scales,and model geographical applications.This findings of this analysis indicate that the study of soil erosion models in China mainly focuses on large scales(regional and large river basins)using empirical models including USLE,RUSLE,and CSLE.The research areas are primarily concentrated in southeastern and central China.The research content has gradually shifted from studying soil erosion characteristics to analyzing influencing factors,spatiotemporal evolution of erosion,and erosion process and morphology stages.However,there are several issues in current Chinese soil erosion modeling research.These include a lack of validation of model application results with field measurements,limited application areas for the models,and relatively weak research on erosion process mechanisms.On this basis,it is recommended that future research should increase the observation of soil erosion processes and establish methods for data or mathematical formula conversion based on different geographical environments.Also,there is a need to strengthen research on erosion process mechanisms.The findings of this study should provide a valuable resource for researchers to future understand the development process and current issues of Chinese soil erosion models,providing insights for future research directions.展开更多
基金jointly supported by the Natural Science Basic Research Program of Shaanxi Province,China(2021JZ-17)Agricultural Key-scientific and Core-technological Project of Shaanxi Province,China(2024NYGG011)the Shaanxi Agricultural Collaborative Innovation and Extension Alliance,China(LMR202204)。
文摘Soil erosion models are effective tools for assessing soil erosion indicators and simulating erosion processes.China has some of the most severe soil erosion in the world.To better apply soil erosion models to address soil erosion issues,it is necessary to understand the development process and current status of soil erosion modeling research in China.In this study,a combination of bibliometric analysis and statistical methods was used to review and organize Chinese soil erosion models(1982-2022)from various perspectives,including keywords,model operations,model classification,model spatiotemporal scales,and model geographical applications.This findings of this analysis indicate that the study of soil erosion models in China mainly focuses on large scales(regional and large river basins)using empirical models including USLE,RUSLE,and CSLE.The research areas are primarily concentrated in southeastern and central China.The research content has gradually shifted from studying soil erosion characteristics to analyzing influencing factors,spatiotemporal evolution of erosion,and erosion process and morphology stages.However,there are several issues in current Chinese soil erosion modeling research.These include a lack of validation of model application results with field measurements,limited application areas for the models,and relatively weak research on erosion process mechanisms.On this basis,it is recommended that future research should increase the observation of soil erosion processes and establish methods for data or mathematical formula conversion based on different geographical environments.Also,there is a need to strengthen research on erosion process mechanisms.The findings of this study should provide a valuable resource for researchers to future understand the development process and current issues of Chinese soil erosion models,providing insights for future research directions.
