Which phenomenon limits the meandering of steam within floodplains?

💡 Explanation

Streams avulse due to topographic steering from uneven sediment deposition along a floodplain that raises the elevation; therefore the stream changes its primary channel, rather than lateral migration, because the higher floodplain areas redirect water flow.

• Which geological outcome results when mantle plume weakening occurs under Iceland?
• Which mechanism drives the observed periodic changes in global thermohaline circulation strength?
• Which mechanism causes widening of cave passages following initial fissure formation?
• Which risk increases when glacial meltwater disrupts North Atlantic circulation?
• Which risk increases when heavy rainfall saturates epikarst?
• Which outcome typically accelerates when glacial loess weathers?