Which effect does increased saturation have on regions prone to solifluction?

💡 Explanation

When soil saturation increases, the soil's weight increases and pore water pressure reduces frictional resistance, causing increased downslope movement via solifluction because the soil cohesion decreases. Therefore, the soil movement rate increases, rather than stability, an increase in the active layer thickness, or increased surface tension, as these depend on different factors.

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