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Ice on the Land
| Term | Definition |
|---|---|
| Accumulation | Inputs to the glacier budget, such as snowfall and avalanches. |
| Ablation | Outputs from the glacier budget, such as melting. |
| Abrasion | The process of erosion involving the wearing away of the valley floor and sides. |
| Moraine | Sediment carried and deposited by the ice. |
| Corrie | A deep depression on a hillside with a steep back wall, often containing a lake (tarn). |
| ArĂȘte | A knife-edged ridge, often formed between two corries. |
| Pyramidal Peak | A sharp-edged mountain peak. |
| Glacial Trough | A wide, steep-sided valley eroded by a glacier. |
| Truncated Spur | An eroded interlocking spur characterised by having a very steep cliff. |
| Hanging Valley | A tributary glacial trough perched up on the side of a main valley, often marked by a waterfall. |
| Lateral Moraine | A ridge of frost-shattered sediment running along the edge of a glacier where it meets the valley side. |
| Medial Moraine | A ridge of sediment running down the centre of a glacier formed when two lateral moraines merge. |
| Terminal Moraine | A high ridge running across the valley representing the maximum advance of a glacier. |
| Drumlin | An egg-shaped hill found on the floor of a glacial trough. |