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Soil Science Society of America Journal Abstract -

Instrument for Automatic Recording of Rainfall and Pan Evaporation1


This article in SSSAJ

  1. Vol. 34 No. 2, p. 355-357
    Received: Sept 5, 1969
    Accepted: Nov 28, 1969

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  1. R. M. Dixon and
  2. R. M. Degn2



An economical combination rain gage and evaporation pan has been developed to provide a useful and dependable tool for soil and water management studies. Two simple direct-acting float devices were designed to provide alternate methods for sensitive water level control. The simpler of these devices controlled water level to ± 0.22 mm, whereas the more complex device controlled the level to ± 0.01 mm. This instrument, with minor modification, can be used to automatically monitor water supplied to a ponded-water infiltrometer or to a watertable lysimeter.

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