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Why does a rivers speed increase?
A river's speed may increase due to factors such as the gradient or slope of the land, the volume of water flowing in the river, and the presence of obstacles that reduce friction. Additionally, changes in the river's width or depth can influence its speed as well.
Will the river bed roughness increase or decrease?
The roughness of a river bed can increase due to factors such as sedimentation, debris, and vegetation growth. If these factors are left unchecked, they can lead to an increase in roughness over time.
As more water flows through a river its speed will?
As more water flows through a river, its speed will increase.
What affects do floods have on rivers?
they increase both their volume and speed [of the river]
What factors might affect how quickly a waterfall develops?
the speed of the river and the amount of water in the river.
How does slopevolume of flow and stream bed shape affect a river's speed?
If a rivers slope increases so does water speed. And as more water flows through a river speed also increases due to the volume of flow. As for the stream bed shape , friction affects river speed when the water is deep. Hope i helped!
What would happen to surface water the river if there was an increase in rainfall?
The extra rainfall would increase the river's speed and erosion power. Such a river is classed as being in spate (a term for a sudden flood in a river). Such an increase could result in flooding, especially in the lower reaches, on what is the river's flood plain.
How can the shape of a river stream bed affect the rivers speed and its power to cause erosion?
A wider and shallower river stream bed tends to slow down the river's speed as frictional forces increase with more contact with the bed. This can reduce the river's power to cause erosion. Conversely, a narrower and steeper stream bed can increase the river's speed, which enhances its erosive power by allowing it to carry more sediment and erode the riverbanks more effectively.
Do boulders increase the speed of a river?
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Why does the velocity of the river increases downstream?
The velocity of the river increases downstream due to the cumulative effect of gravity pulling the water downhill. As the river flows downstream, it collects water from tributaries and gains more volume, leading to an increase in velocity to accommodate the larger volume of water. Additionally, friction between the water and riverbed is reduced downstream, allowing the water to flow more freely and pick up speed.
When a river narrows the water in the river flows?
The narrowing will form a bottle-neck. The build-up of water held back will add weight and, therefore, increase the pressure at the narrowing. This will increase the water's speed as it emerges from the narrowing.
What are the factors effecting evaporation?
Factors affecting evaporation include temperature (higher temperatures increase evaporation), humidity (lower humidity increases evaporation), surface area exposed to air, and wind speed (increased wind speed can enhance evaporation). Additionally, the presence of impurities in the liquid can also affect the rate of evaporation.
