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Rocky stream in Italy A stream is a with a, confined within a and. Depending on its location or certain characteristics, a stream may be referred to by a variety of local or regional names.

Streams are important as conduits in the, instruments in, and corridors for and migration. The biological in the immediate vicinity of a stream is called a. Given the status of the ongoing, streams play an important role in connecting and thus in conserving. The study of streams and in general is known as surface and is a core element of.

A small stream in,. Brook A stream smaller than a creek, especially one that is fed by a. It is usually small and easily.

A brook is characterised by its shallowness and its being composed primarily of rocks. Creek • In, and, a small to medium-sized natural stream. Sometimes navigable by motor craft and may be intermittent. • In parts of,, the UK and, a, typically in a or, or between enclosed and drained former salt or (e.g. Separating from the mainland). In these cases, the stream is the tidal stream, the course of the through the channel at low and high tide.

A large natural stream, which may be a. Runnel the linear channel between the parallel ridges or on a shoreline beach or river floodplain, or between a bar and the shore. Also called a. A contributory stream, or a stream which does not reach a static body of water such as a lake or ocean, but joins another river (a parent river). Sometimes also called a branch or fork.

Other names [ ] There are a number of regional names for a stream. [ ] • Allt is used in Scotland. [ ] • is used in to in areas which were once occupied by the Danes and Norwegians.

• or is used in the chalk of southern England. • Burn is used in and. • or ghyll is seen in the north of England and and influenced. The variant 'ghyll' is used in the and appears to have been an invention of. • Nant is used in. • Rivulet is an term encountered in Victorian era publications. • Stream • is used in Scotland and Cumbria for a seasonal stream.

North America [ ] • Branch is used to name streams in Maryland and Virginia. • Creek is common throughout the central and western United States. • Falls is also used to name streams in Maryland, for streams/rivers which have waterfalls on them, even if such falls have a small vertical drop. And The are actually rivers named in this manner, unique to Maryland. [ ] • in,,, and comes from a word meaning 'riverbed' or 'water channel', and can also be used for the UK meaning of 'creek'. • Run in,,, New Jersey, Pennsylvania, Virginia, or West Virginia can be the name of a stream.

[ ] • Run in is the name given to streams coming out of small natural. [ ] River is used for larger springs like the and. • Stream and brook are used in,, and. [ ] Other terminology [ ] A that develops in a stream as sediment is deposited as the current slows or is impeded by wave action at the confluence. A fork into two or more streams. A depression created by constant that carries the stream's flow.

The point at which the two streams merge. If the two tributaries are of approximately equal size, the confluence may be called a fork. Lands adjacent to the stream that are subject to when a stream overflows its banks. A point of demarcation along the route of a stream or river, used for reference marking or water monitoring. Bhag Milkha Bhag Movie Full Mp3 Song Download. The part of a stream or river proximate to its source.

The word is most commonly used in the plural where there is no single. The point on a stream's profile where a sudden change in occurs. Mouth The point at which the stream discharges, possibly via an or, into a static body of water such as a. A segment where the water is deeper and slower moving. A segment where the flow is shallower and more. A large natural stream, which may be a waterway. Run A somewhat smoothly flowing segment of the stream.

The spring from which the stream originates, or other point of origin of a stream. The point at which a stream emerges from an underground course through unconsolidated or through caves. A stream can, especially with, flow aboveground for part of its course, and underground for part of its course.

The bottom of a stream. Stream corridor Stream, its floodplains, and the transitional upland fringe The river's longitudinal section, or the line joining the deepest point in the channel at each stage from source to mouth. Or cascade The fall of water where the stream goes over a sudden drop called a nickpoint; some nickpoints are formed by erosion when water flows over an especially resistant, followed by one less so. The stream expends in 'trying' to eliminate the nickpoint.

The line on which the stream's surface meets the channel walls. Creek in, Australia Streams typically derive most of their water from in the form of and.

Most of this water re-enters the atmosphere by from soil and water bodies, or by the of plants. Some of the water proceeds to sink into the earth by and becomes, much of which eventually enters streams. Some precipitated water is temporarily locked up in snow fields and, to be released later by evaporation or melting. The rest of the water flows off the land as, the proportion of which varies according to many factors, such as wind, humidity, vegetation, rock types, and relief. This runoff starts as a thin film called sheet wash, combined with a network of tiny rills, together constituting sheet runoff; when this water is concentrated in a channel, a stream has its birth. Some creeks may start from ponds or lakes.

Stream in Southbury, Connecticut, US Characteristics [ ] Ranking To qualify as a stream, a body of water must be either recurring or perennial. Recurring () streams have water in the channel for at least part of the year.

A stream of the is a stream which does not have any other recurring or perennial stream feeding into it. When two first-order streams come together, they form a second-order stream. When two second-order streams come together, they form a third-order stream.

Streams of lower order joining a higher order stream do not change the order of the higher stream. Thus, if a first-order stream joins a second-order stream, it remains a second-order stream. It is not until a second-order stream combines with another second-order stream that it becomes a third-order stream. Gradient The gradient of a stream is a critical factor in determining its character and is entirely determined by its of erosion. The base level of erosion is the point at which the stream either enters the ocean, a lake or pond, or enters a stretch in which it has a much lower gradient, and may be specifically applied to any particular stretch of a stream. In geological terms, the stream will erode down through its bed to achieve the base level of erosion throughout its course.

If this base level is low, then the stream will rapidly cut through underlying strata and have a steep gradient, and if the base level is relatively high, then the stream will form a flood plain and meander. Meander are looping changes of direction of a stream caused by the erosion and deposition of bank materials.

These are typically serpentine in form. Typically, over time the meanders gradually migrate downstream.

If some resistant material slows or stops the downstream movement of a meander, a stream may erode through the neck between two legs of a meander to become temporarily straighter, leaving behind an arc-shaped body of water termed an or bayou. A flood may also cause a meander to be cut through in this way.

Profile Typically, streams are said to have a particular profile, beginning with steep gradients, no flood plain, and little shifting of channels, eventually evolving into streams with low gradients, wide flood plains, and extensive meanders. Cracked Furnace Ignitor there. The initial stage is sometimes termed a 'young' or 'immature' stream, and the later state a 'mature' or 'old' stream. However, a stream may meander for some distance before falling into a 'young' stream condition. Streams can carry sediment, or alluvium.

The amount of load it can carry (capacity) as well as the largest object it can carry (competence) are both dependent on the of the stream. Intermittent and ephemeral streams [ ]. Australian creek, low in the dry season, carrying little water.

The energetic flow of the stream had, in flood, moved finer sediment further downstream. There is a pool to lower right and a riffle to upper left of the photograph. A is one which flows continuously all year.: 57 Some perennial streams may only have continuous flow in segments of its stream bed year round during years of normal rainfall. Blue-line streams are perennial streams and are marked on topographic maps with a solid blue line. Ephemeral stream [ ] Generally, streams that flow only during and immediately after precipitation are termed ephemeral. There is no clear demarcation between surface runoff and an ephemeral stream,: 58 and some ephemeral streams can be classed as intermittent—flow all but disappearing in the normal course of seasons but ample flow (backups) restoring stream presence—such circumstances are documented when stream beds have opened up a path into mines or other underground chambers.

Intermittent stream [ ] or seasonal stream In the United States, an intermittent or seasonal stream is one that only flows for part of the year and is marked on with a line of blue dashes and dots.: 57–58 A or desert wash is normally a dry streambed in the of the which flows only after significant rainfall. Washes can fill up quickly during rains, and there may be a sudden torrent of water after a begins upstream, such as during conditions. These often catch travelers by surprise. An intermittent stream can also be called an in, a in Britain, or a in the -speaking world.

In, an intermittent stream is termed a torrent ( torrente). In full flood the stream may or may not be 'torrential' in the dramatic sense of the word, but there will be one or more seasons in which the flow is reduced to a trickle or less. Typically torrents have rather than sources, and in the summer they are fed by little precipitation and no melting snow. In this case the maximum discharge will be during the spring and autumn. However, there are also glacial torrents with a different seasonal regime.

In Australia, an intermittent stream is usually called a creek and marked on topographic maps with a solid blue line. Drainage basins [ ] The extent of land basin drained by a stream is termed its (also known in North America as the watershed and, in British English, as a catchment). A basin may also be composed of smaller basins. For instance, the in North America divides the mainly easterly-draining and basins from the largely westerly-flowing basin.

The Atlantic Ocean basin, however, may be further subdivided into the Atlantic Ocean and drainages. (This delineation is termed the.) Similarly, the Gulf of Mexico basin may be divided into the basin and several smaller basins, such as the basin. Continuing in this vein, a component of the Mississippi River basin is the basin, which in turn includes the basin, and so forth. See also [ ] • • • • • References [ ]. • Langbein, W.B.; Iseri, Kathleen T. 'Hydrologic Definitions: Stream'.

(Water Supply Paper 1541-A). Reston, VA: USGS.

From the original on 2012-05-09. • 2014-02-22 at the. Geological Survey (USGS). • Spruce Creek Association.

2008-07-03 at the. Accessed 2010-10-02. Oxford University Press. Retrieved 6 July 2017. Oxford University Press.

Retrieved 6 July 2017. Oxford University Press. Retrieved 6 July 2017. Oxford University Press. Retrieved 6 July 2017. Oxford University Press.

Retrieved 6 July 2017. Oxford University Press. Retrieved 6 July 2017. Oxford University Press.

Retrieved 6 July 2017. Oxford University Press. Retrieved 6 July 2017. Oxford University Press. Retrieved 6 July 2017.

• 2015-04-02 at the. Adapted from Stream Corridor Restoration: Principles, Processes, and Practices • ^ Meinzer, Oscar E. Washington, DC: USGS. From the original on 2017-07-09. Water Supply Paper 494. • Meinzer, Oscar E.

Washington, DC: US Geological Survey (USGS). From the original on 2017-07-09. Water Supply Paper 494. From the original on 2012-04-15. Retrieved 2011-12-11. •, `Black Creek is an ephemeral stream.

It used to drain an area between Turtle Creek and the Susquehanna River, but now loses its flow to underground mines via broken bedrock. Its channel is also disrupted by strip mines and rock piles.' , 14 Nov 2016. • Langbein, W.B.; Iseri, Kathleen T. 'Hydrologic Definitions: Watershed'. (Water Supply Paper 1541-A).

Reston, VA: USGS. From the original on 2012-05-09.

External links [ ] Look up in Wiktionary, the free dictionary. Wikimedia Commons has media related to. Wikiquote has quotations related to: •, StreamNet.