Stream

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The stream is a water body with surface water flowing in the bed and the edge of the channel. This flow includes surface and groundwater fluxes that respond to geological, geomorphological, hydrological and biotic controls.

Depending on the location or specific characteristics, the flow may be referred by various local or regional names. Large long rivers are usually called rivers. However, even Amazon became a flow.

Important streams as channels in the water cycle, instruments in groundwater filling, and corridors for the migration of fish and wildlife. Biological habitats around the river are called riparian zones. Given the ongoing status of Holocene extinction, flow plays an important corridor role in connecting fragmented habitats and thus in conserving biodiversity. The study of rivers and waterways is generally known as surface hydrology and is a core element of environmental geography.

Video Stream

Type

Brook

Smaller streams than small rivers, especially those filled with springs or seeps. Usually small and easily forged. A river is marked by its shallowness.

Creek

• In North America, Australia and New Zealand, natural streams are small to medium. Sometimes it is navigated by a motorcycle craft and may be intermittent.
• In parts of Maryland, New England, Britain and India, a tidal inlet, usually in salt marshes or mangrove swamps, or between dry and dried salt marshes or swamps (eg Port Creek that separates Portsea Island from the mainland). In this case, the flow is the tidal flow, the seawater through the river channel at low tide and high.

River

A large natural stream, which may be a waterway.

Runnel

linear channel between parallel rows or bars on shoreline beaches or river floodplains, or between bars and beaches. Also called swale.

Tributary

Stream of contributors, or streams that do not reach static water bodies such as lakes or oceans, but merge with other rivers (mother rivers). Sometimes it is also called a branch or fork.

Maps Stream

Other names

Streams usually take up most of their water from deposition in the form of rain and snow. Much of this water enters the atmosphere by evaporation from soil and water bodies, or by evapotranspiration of plants. Some water will sink into the earth by infiltration and into ground water, most of which eventually enter the stream. Some precipitated water is enclosed in snow fields and glaciers, which will be released later by evaporation or liquefaction. The remaining water flows from the land as runoff, a proportion that varies according to many factors, such as wind, moisture, vegetation, rock types, and reliefs. This runoff begins as a thin film called sheet washing, which is combined with a network of small ruins, together forming sheet overtopping; when this water is concentrated in the channel, the flow has its birth. Some creeks can start from a pond or lake.

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Characteristics

Rank

To qualify as a stream, the body of water must be repetitive or lasting. Recurrent streams (intermittent) have water channels for at least one year. The first-order stream is a stream that has no other repetitive or repetitive stream flowing into it. When two first-order streams combine, they form a second-order stream. When two second-order streams converge, they form a third-order stream. The lower order streams that join the higher order streams do not change the higher flow order. Thus, if first order flows join the second-order stream, it remains second order. It is not until the second-order flow joins the other second-order streams into a third-order stream.

Gradient

gradient flow is an important factor in determining its character and is entirely determined by its basic erosion rate. The base rate of erosion is the point at which the stream enters the ocean, lake or pond, or enters a stretch where it has a much lower gradient, and may be specifically applied to a particular stretch of flow.

In terms of geology, the flow will erode down through the bed to reach the base level of erosion along the way. If the base level is low, the flow will quickly cut the underlying strata and have a steep gradient, and if the base level is relatively high, then the flow will form a flooded and tortuous plain.

Meander

Meander repeats the changes in flow direction caused by the erosion and deposition of bank materials. This is usually in the form of winding. Usually, gradually meanders gradually migrate downstream.

If some material is resistant to slowing down or stopping the downstream motion of the winding, the stream may scrape through the neck between the two winding feet to become more straightforward while leaving a bow-shaped body called the lake oxbow or < i> bayou . Floods can also cause twists to be cut in this way.

Profile

Typically, streams are said to have a certain profile , beginning with a steep gradient, floodplain, and slight channel shift, eventually evolving into low gradient rivers, vast floodplains, and broad meanders. The early stages are sometimes called "young" or "immature" streams, and then state the "adult" or "old" flow. However, the flow may be tortuous for some distance before it falls into a "youth" flow state.

Streaming load

The flow can carry sediment, or alluvium. The carrying capacity (capacity) as well as the largest carryable object (competence) both depend on the flow rate.

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Intermittent and ephemeral flow

A eternal flow is one that flows continuously throughout the year. Some perennial rivers may have only a continuous stream in river segments throughout the year for years of normal rainfall.

The Blue-line stream is a perennial stream and is marked on topographic maps with solid blue lines.

Rhythmic stream

Generally, the flow that flows only during and immediately after deposition is called ephemeral . There is no clear demarcation between surface runoff and ephemeral flow, and some ephemeral streams can be classified as intermittent - all flow but disappears in the normal course of the season but a sufficient flow (reserve) restores the presence of the flow - such a condition is documented when the river bed has paved the way to other mines or dungeons.

Floppy stream

or seasonal stream

In the United States, intermittent or seasonal stream is one that only flows for part of the year and is marked on topographic maps with lines and blue dots. Washing or desert washing is usually a dry coating in the deserts of the American Southwest that flows only after significant rainfall. Washes can be quickly filled during the rain, and there may be a sudden flow of water after a storm begins upstream, as during rainy season conditions. This flash flood often makes the traveler surprised. The alternate flow can also be called arroyo in Latin America, winterbourne in England, or wadi in the Arabic speaking world.

In Italy, intermittent flow is called torrent ( Italian torrente ). In a full flood, the flow may or may not be "swift" in the dramatic sense of the word, but there will be one or more seasons where the flow is reduced to droplets or less. Usually torrents have an Apennine source rather than Alpine, and in summer they are fed by a little precipitation and no melting snow. In this case the maximum discharge will occur during spring and fall. However, there are also glacial torrents with different seasonal regimes.

In Australia, intermittent flows are usually called rivers and are marked on topographic maps with solid blue lines.

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Drainage basin

The extent of river-drained soil basins is called drainage basin (also known in North America as watershed and, in English English, as catch ). The basin can also consist of smaller basins. For example, the Continental Divide in North America divides the Atlantic Ocean basin and the Arctic Sea which is largely attenuated from the valley of the Pacific Ocean that flows very westward. The Atlantic Ocean Basin, however, can be further divided into the Atlantic Ocean and Gulf of Mexico waterways. (This portrayal is called the Eastern Continental Division.) Similarly, the Gulf of Mexico basin can be divided into the Mississippi River valley and some smaller basins, such as the Tombigbee River basin. Continuing this vein, the component of the Mississippi River valley is the valley of the Ohio River, which in turn includes the Kentucky River valley, and so on.

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Crossing

Crossing the crossing is where the steam is crossed by roads, pipelines, trains, or anything else that may limit the flow of steam under ordinary conditions or floods. Any structure above or in a stream that produces restrictions on the movement of fish or other ecological elements and becomes a problem.

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See also

• Lime stream
• Cut the head
• Playfair Law
• River ecosystem
• Basin piece of stone

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References

src: frwa.org

External links

• Glossary of streaming terms, StreamNet

Source of the article : Wikipedia