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Cirque headwall
| Глоссарий геологических терминов |
The glacially-scoured, steep and arcuate side or wall of a cirque, dominated by rockoutcrops, rubble, and colluvium. compare - headwall. sw & hd
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Cirque, английский
A steep-walled, half bowl-like recess or hollow, crescent-shaped or semicircular in plan, commonly situated at the head of a glaciated mountain valley or high on the side of a mountain, and produced by the erosive activity of a mountain glacier. it often contains a small round lake (tarn). compare - cirque floor, cirque platform, cirque wall. sw & gg. part 629 - glossary 629-16 (430-vi-nssh, 2008)
Cirque, французский
Cirque floor, английский
The comparatively level bottom of a cirque, thinly mantled with till and consisting of glaciallyscoured knolls and hillocks separated by depressions, flat areas and small lakes (tarn); commonly it is bounded by a slightly elevated rock lip at its exit. sw & hd
Cirque platform, английский
A relatively level or bench-like surface formed by the coalescence of several cirques. gg & sw
Cirques; botn; amphithe ater, английский
Headwall, английский
- The device placed at the end of a bridge that comprises a large portion of the abutment. headwalls are used to retain the road formation soil around and above the abutments and prevent erosion at the abutment.
- A masonry or concrete retaining wall at the outlet of a drain.
- Портальный оголовок (трубы)
- The region of a cliff or rock face that steepens dramatically.
- A steep slope at the head of a valley; e.g. the rock cliff at the back of a cirque. compare - cirque headwall. gg
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Cirque platform, английский
A relatively level or bench-like surface formed by the coalescence of several cirques. gg & sw
Cirque floor, английский
The comparatively level bottom of a cirque, thinly mantled with till and consisting of glaciallyscoured knolls and hillocks separated by depressions, flat areas and small lakes (tarn); commonly it is bounded by a slightly elevated rock lip at its exit. sw & hd
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