- Of, relating to, or inhabiting a river or stream.
- Produced by the action of a river or stream.
[Middle English, from Latin fluviālis, from fluvius, river, from fluere, to flow.]
Dictionary:
flu·vi·al (flū'vē-əl) ![]() |
[Middle English, from Latin fluviālis, from fluvius, river, from fluere, to flow.]
| 5min Related Video: fluvial |
| Geography Dictionary: fluvial |
Of, or referring to, a river, including the organisms within a river or the landforms produced by river action. Fluvial deposition comprises material worked or deposited by rivers, fluvial geomorphology is the study of the morphology of river landforms, and fluvial processes include flow processes and sediment and solute transport in rivers. Fluvial erosion consists of: the destruction of bedrock on the sides and bottom of the river; the erosion of channel banks; and the breaking down of rock fragments into smaller fragments.
| WordNet: fluvial |
The adjective has one meaning:
Meaning #1:
of or relating to or happening in a river
Pertains to noun: river (meaning #1)
| Wikipedia: Fluvial |
Fluvial is used in geography and Earth science to refer to the processes associated with rivers and streams and the deposits and landforms created by them. When the stream or rivers are associated with glaciers, ice sheets, or ice caps, the term glaciofluvial or fluvioglacial is used.[1][2]
Contents |
Fluvial processes comprise the motion of sediment and erosion of or deposition (geology) on the river bed.
Erosion by moving water happens in two ways. First, the movement of water across the bed has an effect (This is called hydraulic action).[citation needed] Second, the sediment being transported in the river wears away the bed (Abrasion) and the fragments themselves are ground down becoming smaller and more rounded (Attrition).
The sediment is transported as either bedload (The coarser fragments which move close to the bed) and the suspended load (Finer fragments carried in the water). There is also a component carried as dissolved material.
For each grain size there is a specific velocity at which the grains start to move, called Entrainment velocity. However the grains will continue to be transported even if the velocity falls below the entrainment velocity due to the reduced (or removed) friction between the grains and the river bed. Eventually the velocity will fall low enough for the grains to be deposited. This is shown by the Hjulstrøm curve. A river is continually picking up and dropping solid particles of rock and soil from its bed throughout its length. Where the river flow is fast, more particles are picked up than dropped. Where the river flow is slow, more particles are dropped than picked up. Areas where more particles are dropped are called alluvial or flood plains, and the dropped particles are called alluvium.
Even small streams make alluvial deposits, but it is in the flood plains and deltas of large rivers that large, geologically-significant alluvial deposits are found.
The amount of matter carried by a large river is enormous. The names of many rivers derive from the color that the transported matter gives the water. For example, the Huang He in China is literally translated "Yellow River", and the Mississippi River in the United States is also called Big Muddy. It has been estimated that the Mississippi River annually carries 406 million tons of sediment to the sea,[3] the Huang He 796 million tons, and the Po River in Italy 67 million tons.[4]
This is also related to multistory deposits
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| Translations: Fluvial |
Nederlands (Dutch)
betreffende een stroom/rivier
Français (French)
adj. - fluvial
Ελληνική (Greek)
adj. - (γεωγρ.) ποτάμιος, ποταμίσιος
Português (Portuguese)
adj. - fluvial
Русский (Russian)
речной, аллювиальная (равнина)
Español (Spanish)
adj. - fluvial
Svenska (Swedish)
adj. - flod-
中文(简体)(Chinese (Simplified))
河的, 生在河中的
中文(繁體)(Chinese (Traditional))
adj. - 河的, 生在河中的
한국어 (Korean)
adj. - 하천의, 강에 있는
日本語 (Japanese)
adj. - 河川の, 河流の作用でできた, 河川に生じる
עברית (Hebrew)
adj. - של נהרות
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![]() | Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved. Read more | |
![]() | Geography Dictionary. A Dictionary of Geography. Copyright © Susan Mayhew 1992, 1997, 2004. All rights reserved. Read more | |
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![]() | Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Fluvial". Read more | |
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