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Design for a Field Sprinkler Infiltrometer¹

ABSTRACT

A sprinkler infiltrometer using air pressure to drive water through an interchangeable nozzle onto a field plot has been designed and tested for use in infiltration and redistribution studies. Application rates with uniform distribution are selected by electronically pulsing a solenoid valve between the pressurized water supply and the nozzle. A field test demonstrated the use of the infiltrometer in measuring the time to incipient ponding and the development of the water content profile.

¹ Contribution from CSIRO, Australia.

² Technical Officer and Senior Research Scientist, CSIRO Division of Environmental Mechanics, P.O. Box 821, Canberra City, A.C.T., Australia.

Received for publication June 29, 1981. Accepted for publication July 9, 1982.