Fact 5: A raindrop falls at a speed of about 20 miles per hour and it can splash wet soil up to two feet high and five feet away. Like any natural process that takes place on land surfaces, the force of gravity plays a very important role. The Types of erosion Depend on the natural agent that causes the process, with water and wind being the most common elements. 2) Water flowing through surface materials. Most complex form of erosion; Encompasses the following types: 1) Rain splash – especially on farm fields and where exposed loose materials is found. 2) Abrasion - when large pieces of bedload material wear away the river banks and bed. The 4 types of erosion are: 1) Hydraulic Action - when he water pushes air and causes the rock to erode. Slip Erosion: Landslides cause slip erosion, big masses of soil and rock bodily slip down damaging the field. There are many types of erosion. Various Causes of Erosion Water. 3) Erosion in the shallow zones of lakes and oceans by tides, currents and other wave action. These are inter-rill erosion, rill erosion, gully erosion, and streambank erosion. There are other factors that erode the soil such as ice, temperature and the force exerted by the movement of the waves. 3) Attrition - when the bed load itself is eroded when sediment particles knock against the bed or each other and break, becoming more rounded and smaller. Water Erosion: Type # 4. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Erosion is the process that occurs when a surface or substance wears away slowly. There are several different types of water erosion, but they can generally be grouped into four main types. Stream Bank Erosion: Streams and rivers change their course by cutting one bank and depositing silt loads on the others. It is often the result of corrosion, or of one substance eating into another. Fact 4: Deposition of the soil particles detached by water erosion is likely in any area where the water velocity is reduced. Erosion simply means to wear away or cause to diminish. Corrasion or Abrasion 4. Start studying 4 Types of Erosion. Soil erosion Soil erosion – is the removal of the top soil. Water is a liquid drank by humans, animals, and plants. During rainfall the four types of erosion that can happen are splash erosion, rill erosion, gully erosion, and sheet erosion. Water Erosion: Type # 5. This can be behind plant and rocks, in places where the gradient is reduced, or in water bodies such as lakes and reservoirs. A quick taster of Time for Geography, as Tim explains marine erosion processes. Develop a deeper understanding of this scientific concept by reviewing several examples of erosion. Inter-Rill Erosion. Attrition3. Inter-rill erosion, also known as raindrop erosion, is the movement of soil by rainfall and its resulting surface flow. February 8, 2011. 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