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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number K7570-10

Laboratory studies of hydraulics and erosion that result from raindrop splash and shallow flow can be used to test and improve WEPP (Water Erosion Prediction Project) equations. Here, agricultural engineer Dennis Flanagan (left) and soil scientist Stanley Livingston use a green dye to measure flow velocity and observe runoff patterns resulting from simulated rainfall.

Photo by Scott Bauer.

640 pixels wide: (k7570-10.jpg)

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Last Modified: 5/23/2006
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