Effect of polyacrylamide concentration on runoff redistribution and sediment yield control from karst spoil heaps under simulated rainfall.

Sci Rep · 2026 · PMC13149551 · PMID 41865165

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a decreasing trendno p-value reported

As rainfall duration increased, the overall surface sediment yield showed a decreasing trend, with its dynamic process fluctuating in a "W"-shaped pattern.

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