It is called the gradient.
stream channel
To measure the slope of a stream, you can use the formula: slope = (change in elevation) / (horizontal distance). First, determine the elevation difference between two points along the stream using a level or GPS. Then, measure the horizontal distance between those points on a map or with a measuring tool. The resulting slope will provide a ratio that indicates the steepness of the stream's gradient.
The discharge of a stream is directly affected by the slope of the stream channel. A steeper slope will generally result in a higher discharge due to increased velocity and energy to transport water. Conversely, a gentler slope will result in lower discharge.
An increase in rainfall can increase the slope of a stream by eroding the surrounding land and steepening the riverbanks. Conversely, a decrease in rainfall or the deposition of sediment along the streambed can decrease the slope of a stream by smoothing out its gradient.
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A stream.
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Gravity and the slope of the land combine to create the force that moves water in a stream. Gravity pulls the water downhill, and the slope of the land determines the direction and speed of the flow.
If the slope goes down stream, the water speeds up, if up stream the water wil pool and flood until it rises up and over the slope this is not right information if your doing a crossword puzzle from Andale.
low slope and gradient are the same thing - just measured in different units
A fan-shaped formation that develops when a stream deposits its sediment at the base of a steep slope is called an alluvial fan. These features are typically found in arid or semi-arid environments where streams carry a large amount of sediment and quickly lose energy as they reach flat or gently sloping terrain.
Changing the slope of the stream table affects the speed and direction of water flow. A steeper slope creates faster water flow, which can result in more erosion and deposition. Conversely, a flatter slope slows down water flow, leading to less erosion and deposition. These changes in flow dynamics can cause differences in the shape and size of channels, as well as the amount and distribution of sediment carried by the water.