What chemical weathering byproduct accumulates when dissolved bedrock's buffering capacity diminishes?

💡 Explanation

Increased soil aluminum mobility results when bedrock no longer neutralizes acids from organic matter decomposition via chelation because carbonic acids from weathering exhaust bases; therefore aluminum ions mobilize rather than forming stable aluminosilicates.

• Which effect influences deep ocean currents due to density differences from brine rejection during sea ice formation?
• Which feedback results from ice sheet melting exposing land?
• Which primary risk increases when an artificial levee is subjected to prolonged saturation during a major flood event?
• Which process most directly forms narrow, steep-sided fjords along coastlines over geological timescales?
• Which mechanism increases sinkhole formation where groundwater extraction lowers aquifer pressure?
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