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A: Water erosion occurs on stream and river banks, seashores and seaside cliffs. Muddy water is a sign of erosion. The brown hue results from the suspension of rock and soil particles in the water. Moving water, one of the primary agents of erosion, carries soil particles and rock fragments to other places.
The process of erosion moves bits of rock or soil from one place to another. Most erosion is performed by water, wind, or ice (usually in the form of a glacier). These forces carry the rocks and soil from the places where they were weathered. If water is muddy, it is a sign that erosion is taking place. The brown color indicates that bits of rock and soil are suspended in the water and being transported from one place to another. This transported material is called sediment. When wind or water slows down, or ice melts, sediment is deposited in a new location. As the sediment builds up, it creates fertile land. River deltas are made almost entirely of sediment. Delta sediment is eroded from the banks and bed of the river. Erosion by Water Moving water is the major agent of erosion.