The chance that one, and only one, of the dice will land acer is It could boost the river's erosive force and flow rate.
When water from rain, snowmelt, and groundwater is brought to the surface, steam flow starts. Drainage systems are created in a way that effectively removes water from the land. Moving sheetwash, a thin water surface layer, is where streamflow starts. As it descends the sharpest slope, the water begins to erode the surface by forming tiny rill channels. Larger channels form as the rills merge, deepen, and downcut. Headward erosion, often known as rapid erosion, lengthens the channel upslope. Smaller tributaries join a bigger stem stream as neighboring channels merge over time.
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