Which mass wasting process causes lobate terraces to form down slope in arctic environments?

💡 Explanation

When subsurface permafrost thaws, solifluction occurs because the active layer becomes saturated and flows downslope due to gravity, commonly forming lobate terraces. Therefore solifluction creates these terraces, rather than creep, landslides, or mudflows, all whom require alternative water inputs on differing geologic layers.

• Which risk increases when thawing permafrost accelerates solifluction on a hillside?
• Which outcome occurs when a rapidly eroding mountain range deposits sediment onto a flat plain?
• Which outcome diminishes dune migration rate when vegetation emerges?
• Which long-term outcome results when glacial melt decreases the settling velocity in meltwater streams?
• Which phenomenon causes eastern boundary currents to have slower speeds?
• Which process limits the lifespan of oxbow lakes formed by meandering rivers in floodplains?