Which geomorphic risk is most amplified when infrastructure development disrupts thermokarst processes within permafrost regions?

💡 Explanation

When thermokarst processes are disrupted by development, thaw depth increases due to altered surface energy balance, causing accelerated ground subsidence, and loss of soil strength because the ice binding the soil matrix melts. Therefore, widespread structural subsidence results, rather than outgassing, erosion, or sequestration, which involve different primary mechanisms.

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