Geography 0.0 / 5 ? GeographyGlacial landscapes and processesGCSEAQA Created by: helenapetrieCreated on: 24-03-16 11:03 Abrasion A process of erosion involving the wearing away of the valley floor and sides 1 of 22 Plucking A process of glacial erosion where individual rocks are plucked from the valley floor and sides as water freezes them from the glacier 2 of 22 Rotational Slip Slippage of ice along a curved surface 3 of 22 Moraine Sediment carried and deposited by the glacier 4 of 22 Bulldozing the pushing of deposited sediment at the snout by the glacier as it advances 5 of 22 Hummock A small area of raised ground, like a molehill 6 of 22 Corrie A deep depression on a hillside with a steep back wall, often containing a lake 7 of 22 Arête Knife edged ridge, often formed between two corries 8 of 22 Pyramidal Peak A sharp-edged mountain peak 9 of 22 Glacial trough a wide, steep sided valley eroded by a glacier 10 of 22 Truncated Spur An eroded interlocking spur characterised by having a very steep cliff 11 of 22 Hanging Valley A tributary glacial trough perched on the side of a main valley, often marked by a waterfall 12 of 22 Ribbon Lake A long narrow lake in the bottom of a glacial trough 13 of 22 Long profile this shows the changes in height and shape along the length of the glacier. 14 of 22 Lateral Moraine A ridge of sediment running alongside the edge of a glacier where it meets the valley side 15 of 22 Medial Moraine a ridge of sediment running down the centre of a glacier - formed when two glaciers meet 16 of 22 Terminal Moraine A high ridge running across the valley representing the maximum advance of a glacier 17 of 22 Drumlin An egg- shaped hill found on the floor of the glacial trough 18 of 22 Fragile Environment An environment that is easily unbalanced and damaged by natural or human factors 19 of 22 Avalanche A rapid downhill movement of a mass of snow, ice and rocks usually in a mountainous environment 20 of 22 Loose snow avalanche A powdery avalanche usually originating from a single point 21 of 22 Slab Avalanche A large scale avalanche formed when a slab of ice and snow breaks away from the main ice pack 22 of 22
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