The free-water pond under a trickle source: A field test of existing theories

@article{Revol1996TheFP,
  title={The free-water pond under a trickle source: A field test of existing theories},
  author={Philippe Revol and Brent E. Clothier and Pascal Kosuth and Georges Vachaud},
  journal={Irrigation Science},
  year={1996},
  volume={16},
  pages={169-173}
}
The size of the free-water ponds under drippers is an important field characteristic of trickle irrigation. Here we review four existing analytical theories that purport to describe 3-D infiltration. We show how they can be used to predict the extent of the pond from basic soil parameters, and the dripper discharge rate. Via a numerical example it is shown that the different theories give significantly different free-water pond radii, especially for high drip discharge rates when the flow is… CONTINUE READING

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