Which consequence results when a river's sinuosity reaches peak instability?

💡 Explanation

Runaway meander growth from high channel sinuosity triggers rapid river course changes because neck cutoff, a mechanism forming oxbow lakes, accelerates; therefore, oxbow formation increases rather than stable channel morphology, because sediment equilibrium will shift rapidly.

• Which process initiates the formation of an alluvial fan deposit in arid regions?
• Which outcome occurs when crustal magma density decreases?
• Which effect accelerates downslope movement via solifluction in high-latitude permafrost regions?
• Which mechanism forms elevated cave entrances over time?
• What outcome increases downwind when longshore drift slows?
• Which mechanism maintains stable North Atlantic thermohaline circulation despite freshwater input from glacial melt?