Chapter Overview
This chapter explores geomorphic processes—the physical, chemical and biological actions that change landforms. It covers weathering, mass wasting, erosion, transportation, and deposition by agents like running water, groundwater, wind, glaciers, and ocean waves and currents.
Important Keywords
- Weathering: Breakdown of rocks in situ by physical, chemical or biological means.
- Mass wasting: Downslope movement of soil and rock due to gravity (e.g., landslides, creep).
- Erosion: Removal of weathered material by agents like water, wind, glaciers.
- Transportation: Movement of eroded material in suspension, saltation, traction.
- Deposition: Settling of transported sediments when agent’s energy decreases.
- Stream competency: Maximum particle size transported.
- Stream capacity: Total sediment load carried.
- Glacial abrasion and plucking: Ice-driven rock grinding mechanisms.
- Wind deflation and abrasion: Removal of loose particles and sandblasting.
Detailed Notes
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