| Term: | Glacial trough |
| Definition: |
A large u-shaped valley formed from a v-shaped valley by glacial erosion. NSIDCCryosphere
A glaciated valley or fjord (q.v.), often characterised by steep sides and a flat bottom, with multiple basins, resulting primarily from erosion by strongly channelled ice. Swisseduc Large area, such as those in the Alps, carved out to depths of hundreds to thousands of meters by the erosive action of glaciers. AMSglossary A deep U-shaped valley with steep valley walls that was formed from glacial erosion. At the base of many of these valleys are cirques. PhysicalGeography GCW |