Which increased risk emerges when thawing permafrost destabilizes earthen dam infrastructure?

💡 Explanation

Increased risk of dam failure occurs because permafrost thaw degrades the foundation through soil liquefaction, a process decreasing soil shear strength; therefore, the dam's stability is compromised, creating a failure risk, rather than altering isostatic processes far away.

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• Which process intensifies sediment stratification in a fjord's benthic zone following seasonal meltwater pulses?
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