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The first visible effect of water erosion on a river is typically the formation of small channels or rills on the river banks. As water flows, it gradually erodes the soil and sediment, creating these initial channels. Over time, these channels can deepen and widen, leading to significant changes in the river's morphology.

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How is the land affected by erosion?

Erosion can strip away topsoil, leading to decreased soil fertility and reduced agricultural productivity. It can also change the landscape's shape and structure, causing changes in water flow patterns and increasing the risk of landslides and flooding. Over time, erosion can gradually modify the landform and reduce its overall stability.


Is a stream a result of erosion or deposition?

A stream, which flows in a channel, is formed as a result of erosion as the channel itself must be formed from erosion. Deposition is not common here, but there is a lot of loose material in the stream which is eroded over time, which has been put there through erosion. The material is first eroded further, then transported, and will ultimately be deposited at the mouth.


Why does erosion happen before deposition?

Erosion occurs before deposition because erosion is the process of wearing away and carrying away rocks and soil, while deposition is the process of depositing these particles in a new location. Erosion usually happens first because it is the initial step in the movement of sediments from one place to another, eventually leading to their deposition.


Why does weathering have to occur first then erosion?

Weathering breaks materialn down and erosion transports that broken down material. As an example, weathering breaks a mountain down into smaller rocks, and those smaller rocks can be transported by streams (erosion), but the streams cannot simply move the whole mountain.


What is a splash erosion?

Splash erosion is the process by which raindrops hit bare soil with enough force to dislodge and move soil particles. This can lead to the detachment and transport of soil particles, contributing to soil erosion and nutrient loss. It is often the first stage in the erosion process and can be accelerated by factors like slope gradient and soil type.

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How is the land affected by erosion?

Erosion can strip away topsoil, leading to decreased soil fertility and reduced agricultural productivity. It can also change the landscape's shape and structure, causing changes in water flow patterns and increasing the risk of landslides and flooding. Over time, erosion can gradually modify the landform and reduce its overall stability.


Is a stream a result of erosion or deposition?

A stream, which flows in a channel, is formed as a result of erosion as the channel itself must be formed from erosion. Deposition is not common here, but there is a lot of loose material in the stream which is eroded over time, which has been put there through erosion. The material is first eroded further, then transported, and will ultimately be deposited at the mouth.


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