Infiltration Response to Kinetic Energy

ABSTRACT THE effect of water droplet kinetic energy and application intensity on exposed and covered, dry and wet soil surfaces was investigated on a mixed Udic HaploboroU Vienna loam soil in eastern South Dakota. A modified Purdue type infiltrometer was used to produce different rainfall energy and intensity levels of tilled soil. Soil surface seal development was evident in the reduction of water infiltrated after given time periods and in the reduced infiltration rates with increasing kinetic energy levels of the applied water. The droplet energy flux density level at incipient runoff may help quantify the surface sealing reaction of the soil..

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