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What affects friction in a river?
the gradient of the slope The channel roughness The amount and size of bed load
What three ways does a river erode it's channel?
The River's Velocity, Gradient, and Channel shape/roughness
How does channel roughness influence river velocity?
These obstacles causes friction between water and rocks.This ultimately reduces the velocity of river water.The more roughness of the channel, the less the river`s velocity.
What are the 3 factors that mifht influence how fast a stream would flow?
The gradient , the channel roughness, and the channel shape all effect the speed or velocity of stream flow
What is the bottom of a river channel?
The river bed
What has the author G J Klaassen written?
G. J. Klaassen has written: 'Sediment transport and hydraulic roughness in relation to bed forms'
It has a bed at the bottom and banks on either side?
channel
Is a channel a landform?
Yes, it is the bed of a stream or river.
Where the river flows it has a bed and two banks?
A channel.
What is relative roughness?
Relative roughness is a measure of the surface roughness of pipe surfaces. It is the size of the roughness scaled by the diameter of the pipe or duct. Rel Roughness=e/D; where e is the measurement of the surface roughness and D is the diameter of the pipe. It is mainly used for calculating head losses in piping systems.
What is surface roughness tester?
surface roughness tester is the machine which used to measure the roughness of the surface using probes... roughness is nothing but the frictional force applied by the surface to the adjacent surface.. if roughness increases the amount of frictional force increases..
What is the expected relative roughness of copper?
The Absolute roughness, e, of copper is 1.5 microns The relative roughness is just e/D
