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23 de abr. de 2024 · Erosion by Water. Liquid water is the major agent of erosion on Earth. Rain, rivers, floods, lakes, and the ocean carry away bits of soil and sand and slowly wash away the sediment. Rainfall produces four types of soil erosion: splash erosion, sheet erosion, rill erosion, and gully erosion .
- Weathering
Weathering is the breaking down or dissolving of rocks and...
- Weathering
It can literally wash away soil and carve away rock bit by bit, which scientists describe through two separate processes. When water breaks rocks apart, it's called weathering. And when water carries away surface soil, sediments, and that broken down rock it's called erosion.
24 de abr. de 2024 · erosion, removal of surface material from Earth’s crust, primarily soil and rock debris, and the transportation of the eroded materials by natural agencies (such as water or wind) from the point of removal.
Weathering occurs when water breaks down rocks and soil to create sediment. There are two main types of weathering: mechanical and chemical. Mechanical weathering is the creation of sediment through physical means. For example, a stream can dislodge soil particles from its banks.
Erosion is the action of surface processes (such as water flow or wind) that removes soil, rock, or dissolved material from one location on the Earth's crust and then transports it to another location where it is deposited. Erosion is distinct from weathering which involves no movement.
River water picks up and moves mud, pebbles, and larger rocks as it flows downstream. These particles rub against the riverbed and wear away more rock and soil. This kind of erosion helped to carve the Grand Canyon in the southwestern United States.
