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Wash (dry wash)
| Глоссарий геологических терминов |
(colloquial: western u.s.a.) the broad, flat-floored channel of an ephemeral stream, commonly with very steep to vertical banks cut in alluvium. note: when channels reach intersect zones of ground-water discharge they are more properly classed as "intermittent stream" channels. synonym - arroyo.
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Colloquial, английский
A разговорный language, speech, standard
Intermittent, шведский
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Washover fan, английский
A fan-like deposit of sand washed over a barrier island or spit during a storm and deposited on the landward side. washover fans can be small to medium sized and completely subaerial, or they can be part 629 - glossary 629-85 (430-vi-nssh, 2008) quite large and include subaqueous margins extending into adjacent lagoons or estuaries. large fans can be subdivided into sequential parts: ephemeral washover channel (microfeature) cut through dunes or beach ridges, back-barrier flats, (subaqueous) washover-fan flat, (subaqueous) washover-fan slope. subaerial portions can range from barren to completely vegetated.. sss
V-shaped valley, английский
A valley having a pronounced cross profile suggesting the form of the letter "v", characterized by steep sides and short tributaries; specifically a narrow valley resulting from downcutting by a stream. the "v" becomes broader as the downcutting progresses. compare - u-shaped valley. gg
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