ability of rainfall to cause soil erosion is called

The potential ability of rain to cause erosion is called erosivity of rainfall. Rainfall - Rainfall can cause erosion both when the rain hits the surface of the Earth, called splash erosion, and when raindrops accumulate and flow like small streams. About 95% of soil is splashed by falling rain drops and runoff water erodes less than 5% of the soil. Regions with very heavy and frequent rainfall face a large amount of soil loss It is now established that collision of rain drops on bare soil and resulting splash is the major cause of soil erosion by water. Prevention of soil erosion is also called conservation of soil. Water is the main cause of erosion on Earth. Since vegetation reduces erosion, we have another case of the result hinging on the net effects of “competing” processes. desert soil Soil forms as a result of _______ and biological activity that breaks down and changes soil … After reading this article you will learn about how rain drops cause soil erosion. Erosivity: It is defined as the potential ability of rain to cause the erosion. Soil conservation. Heavy rainstorms can cause dramatic and excessive erosion events, however, most soil erosion happens gradually over time and often is very hard to notice without constant monitoring. Ellison (1944) defines soil erosion as the process of detachment and transport of soil particles by erosive agents. The layer of soil which is composed of humus and leaf litter is called the _____ horizon. It is dependent on the physical char­acteristics of rainfall, which include raindrop size, drop size distribution, kinetic energy, terminal velocity etc. Soil Erosion is the most serious and least reversible signifier of land debasement ( Lal, 1977 ; El-Swaify, Dangler and Amstrong, 1982 ) . Using rainfall and soil loss information from experimental plots Weischmeier et al. As degraded soil becomes loose and weak, it loses the ability to absorb and retain water, which leads to soil erosion. The soil erosion can be prevented by the following ways: 1. The three main forces that cause erosion are water, wind, and ice. Increases in available moisture, also called effective precipitation, would tend to promote both runoff and soil erosion on the one hand, and vegetation cover on the other. Thus, whenever trees are cut down new trees should be planted. Afforestation. Four types of soil erosion are caused by rainfall: The raindrops disperse the soil which is then washed away into the nearby streams and rivers. For a given soil condition, the potential of […] Soil is a combination of weathered rock, decayed organic matter, mineral fragments, water, and air. Planting new trees and plants is afforestation. ADVERTISEMENTS: In this article we will discuss about erosivity and soil erodibility. Higher intensity of rainstorm is the main cause of soil erosion. If the plants die, all living things will also die. We live because plants live. Erosivity is expressed by EI 30 index. 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