Geomorphometric soil erosion modelling in Sub-Saharan Africa: A systematic review of model applicability, validation gaps, and policy integration

Key Points

• Soil erosion modelling is essential for understanding land degradation in Sub-Saharan Africa, and various models have been applied.
• Key findings indicate significant gaps in model validation, which may undermine effective policy responses to soil erosion issues.
• This systematic review analyzes multiple geomorphometric models, assessing their applicability and relevance for the region's challenges.
• These insights support the urgent need for better-integrated policies to manage soil erosion effectively while addressing validation issues.