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The stream velocity required to carry the smallest boulders is typically around 1 meter per second. This velocity is based on the sediment transport capacity of the stream, which is influenced by factors such as the size and weight of the boulders, as well as the stream's gradient and flow rate.
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What affects stream erosion?
Stream erosion can be influenced by factors such as the volume and speed of water flow, gradient of the stream channel, presence of sediment or boulders, vegetation along the banks, and geology of the area. Human activities such as deforestation, urbanization, and construction of dams or levees can also significantly impact stream erosion.
Where in a stream would you find the maximum velocity of water flowing?
The maximum velocity of water flowing in a stream is typically found in the center of the stream, where the water is deepest and has the least amount of friction with the streambed and banks.
What is stream velocity?
Stream velocity refers to the speed at which water flows in a stream or river. It is typically measured in meters per second or feet per second and can vary depending on factors such as channel geometry, slope, and discharge. Stream velocity is an important parameter in hydrology and river engineering for understanding water movement and erosion processes.
What is the measure of th largest particles a stream can carry?
The measure of the largest particles that a stream can carry is typically determined by its stream power, bed material size, and flow velocity. Streams with higher stream power and flow velocity are able to transport larger particles. The largest particles a stream can carry before they settle to the streambed are usually referred to as the stream's "bedload" particles.
What are two factors that determine the rate of stream erosion?
Two factors that determine the rate of stream erosion are the velocity of the water and the amount of sediment carried by the stream. Higher velocity and increased sediment load tend to enhance erosion by allowing the stream to transport more material and exert greater cutting force on the streambed.
What is the slowest stream velocity necessary for a stream to carry the smallest boulders?
The slowest stream velocity necessary for a stream to carry the smallest boulders typically ranges between 1.5 to 2.5 meters per second (about 5 to 8 feet per second). This velocity allows the water to generate sufficient lift and transport capacity to overcome the weight of the boulders. Variability in streambed material, boulder shape, and water density can affect the exact velocity required.
What is the slowest stream velocity necessary for a stream to carry the small boulders?
The slowest stream velocity necessary for a stream to carry small boulders typically ranges from 1 to 2 meters per second, depending on factors like the size and shape of the boulders, as well as the water's viscosity and density. This velocity allows the water to exert enough force to overcome the boulders' weight and drag. Additionally, streambed composition and gradient can also influence the required velocity.
What is the minimum water velocity needed in a stream to maintain the transportation of the smallest boulder?
The minimum water velocity needed to transport the smallest boulder is determined by the critical threshold velocity. This velocity is influenced by factors such as the size, shape, and weight of the boulder. In general, for very small boulders, velocities in the range of 0.5 to 1.0 meters per second are often sufficient to initiate transport.
Which groups of particles sizes can be transported by a stream that has a velocity equal to 20 cms?
A stream with a velocity of 20 cm/s can transport particles up to fine sand size (0.0625 - 2 mm). Larger particles such as gravel and boulders would require a faster flow velocity to be transported.
What is a current meter?
it is an instrument to determine the velocity of flow at required point in a flowing stream.
What pebbles and boulders carried in a stream called?
load or stream load.
What is the largest sediment that can be transported by a stream that has a velocity of 125 cm per sec?
The largest sediment that can be transported by a stream is determined by the stream's velocity and the sediment's size and weight. Generally, a stream with a velocity of 125 cm per second can transport larger particles, such as gravel or small boulders, depending on factors like flow turbulence and sediment density. However, specific calculations using the Einstein-Brown equation or other sediment transport formulas can provide a more precise size estimate. Typically, at this velocity, the largest sediment might be around 2 to 4 millimeters in diameter.
What is the largest sediment that can transported into a stream?
The largest sediment that can be transported into a stream is typically boulders, which can be moved during high-energy events like flooding or landslides. However, normal stream flow usually transports smaller particles such as gravel, sand, and silt. The ability of a stream to transport sediment depends on factors like water velocity, sediment size, and stream gradient. While boulders can be moved, they generally require significant force to be entrained and carried downstream.
What is the slowest stream velocity needed to maintain 001 cm particles downstream?
To prevent particles of 0.01 cm from settling downstream, a minimum stream velocity of 0.02 m/s is required, based on Stokes' law calculations for settling velocity.
What is an instrment commonly used for measurement of velocity of stream?
A stream gauge is the instrument which is commonly used for the measurement of velocity stream.
Stream gradient role on stream velocity?
Stream gradient, or the slope of the stream channel, affects stream velocity by influencing the speed at which water flows downstream. A steeper stream gradient typically results in a faster water flow velocity, as the force of gravity pulls water downhill more strongly. Conversely, a gentler stream gradient leads to slower water flow velocity.
How does the velocity of a stream effect its carring capacity?
The higher the velocity of the stream the larger carrying capacity it has.
