- riffle bar
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геликоидальный стержень
English-Russian dictionary of geology. 2011.
riffle bar
Смотреть что такое "riffle bar" в других словарях:
riffle bar — noun see riffle III, 1b … Useful english dictionary
riffle — I. verb (riffled; riffling) Etymology: 2riffle Date: 1754 intransitive verb 1. to form, flow over, or move in riffles 2. to flip cursorily ; thumb < riffle through the catalog > … New Collegiate Dictionary
riffle — a bar shaped deposit on a channel bed, midstream … Geography glossary
Mouth bar — A mouth bar is a bar in a river that is typically created in the middle of a channel in a river delta.[1] It is created by a positive feedback between mid channel deposition and flow divergence. As the flow diverges near the ocean, sediment… … Wikipedia
Braid bar — Braid Bars, or mid channel bars, are landforms in a river that begin to form when the discharge is low and the river is forced to take the route of less resistance by means of flowing in locations of lowest elevation. Over time, the river begins… … Wikipedia
river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… … Universalium
Course of the Rogue River (Oregon) — This article is about the course of the river in Southern Oregon. For the river in Polk County, Oregon, see Rogue River (South Yamhill River). Coordinates: 42°25′21″N 124°25′45″W / … Wikipedia
Meander — For other uses, see Meander (disambiguation). A hypothetical stream bed following a tilted valley. The maximum gradient is along the down valley axis represented by a hypothetical straight channel. Meanders develop, which lengthen the course of… … Wikipedia
Channel types — A wide variety of river and stream channel types exist in limnology. All these can be divided into two groups by using the water flow gradient as either low gradient channels for streams or rivers with less than two percent (2%) flow gradient, or … Wikipedia
Stream — For other uses, see Stream (disambiguation). Rivulet redirects here. For the moth, see Rivulet (moth). Butchers Creek, Omeo, Victoria, Australia. A stream is a body of water with a current, confined within a bed and stream banks. Depending on i … Wikipedia
River delta — Nile River delta, as seen from Earth orbit. The Nile is an example of a wave dominated delta that has the classic Greek delta (Δ) shape after which river deltas were named. A delta is a landform that is formed at the mouth of a river where that… … Wikipedia
