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Rainfall Simulator
A rainfall simulator is used in soil science and hydrology to study how soil reacts to rainfall. Natural rainfall is difficult to use in experimentation because its timing and intensity cannot be reliably reproduced. Using simulated rainfall significantly speeds the study of erosion, surface runoff and Leaching (agriculture), leaching. The simplest rainfall simulators qualitatively demonstrate what happens to soil during rainfall events. They are useful for explaining how fertilizer may run off (wash away) rather than supply plant nutrition, nutrients to crops. History The evolution of the rainfall simulator started in the late 1800s when German Scientist Ewald Wollny formally studied erosion. As the study continued into the early 1910s, experimental field plots were designed to capture runoff from natural rainfall. In the 1930s, pioneers of erosion studies tightened control of their experiments by building the first rainfall simulators, ordinary sprinkle cans or pipes with ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
20150630-OSEC-LSC-0225 (18688087724) (2)
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