Spatiotemporal characteristics and driving factors of soil erosion in the Kangding River Basin (Southwest China) based on the RUSLE model.

By 2005, the erosion modulus showed an increasing trend, with significant expansion of moderate to high value zones, particularly forming continuous belt-like distributions in the northern and southeastern areas.

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The results revealed that: (1) From 2000 to 2020, the areas of woodland and water body exhibited a decreasing trend, while cropland and construction land expanded steadily.(2) The soil erosion modulus in the Kangding River Basin first increased and then declined during the study period, rising from 16.32 t·hm -2 ·a -1 in 2000 to a peak of 21.85 t·hm -2 ·a -1 in 2005, and subsequently decreasing to 11.16 t·hm -2

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