Which outcome occurs when prolonged drought weakens aquifers?

💡 Explanation

Drought lowers water tables; reduced pore pressure decreases support for overlying sediments which leads to subsidence involving suffosion because soluble rock layers destabilize. Subsidence risk increases rather than decreases; water tables decline; hydro explosions are unrelated.

• Which mechanism leads to increased oxygen depletion in deep fjord waters during strong stratification events?
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• Which mechanism determines the sinuosity of a meandering stream within a floodplain?
• Which mechanism primarily reduces lake water salinity in closed-basin lake systems over geological timescales?