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September 5, 2025WaterOpen Access

Quantifying Soil Erosion Processes Based on Micro-ΔDEM

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Soil erosion processes, influenced by microtopography, were analyzed under various tillage methods and rainfall conditions.
At 90 mm/h rainfall, increases in fractal dimension significantly correlated with 1.70-fold higher runoff and 3.75-fold greater sediment yield.
Contour tillage demonstrated the lowest runoff and sediment yield, indicating its effectiveness in soil conservation strategies.
Path analysis revealed that microtopography's influence on sediment yield was mostly mediated through runoff.

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This research quantifies effects of microtopography on runoff and sediment yield, highlighting tillage's role in soil conservation.

Ta et al. (2025) studied this question.

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