Which erosional process primarily initiates stream meander formation within an alluvial floodplain environment?

💡 Explanation

When flow encounters minor bank irregularities, localized undercutting begins via abrasion as water and sediment erode the outer bank, initiating meander development. Therefore localized bank undercutting results, rather than tilting which involves regional tectonics, sheetwash which is hillslope-driven, or thermoerosion applicable in permafrost regions.

• Which airflow pattern alteration occurs when air ascends rapidly at the Intertropical Convergence Zone?
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