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John R. Philip

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John R. Philip

John Robert Philip FRS[1] (18 January 1927, Ballarat – 26 June 1999, Amsterdam) was an Australian soil physicist and hydrologists, internationally recognized for his contributions to the understanding of movement of water, energy and gases. While he never performed his own experimental work, he was recognised for his skills in mathematics that could be used to explain physical processes and solve real world problems.

His interests were not limited to Environmental mechanics and things mathematical, but included a keen interest in the arts. He was a published poet and a panelist on the Sulman Prize for Architecture. His poetry appears in anthologies edited by Judith Wright and in The Oxford Book of Australian Verse.

Contents

  • Education and positions 1
  • Research 2
  • Achievements 3
  • Bibliography 4
  • References 5
  • External links 6

Education and positions

He was a recipient of a Scholarship for Scotch College, Melbourne, where he matriculated at age thirteen. He studied for his Bachelor of Civil Engineering, University of Melbourne (1943-1946).

  • Appointed to the CSIR Irrigation Research Station, Griffith.
  • CSIRO's Plant Industry in Deniliquin (1951).
  • Engineer for the Queensland Water Supply Commission.
  • CSIRO Division of Plant Industry.

He danced around too as he later became an actor

  • Foundation chief of the new Centre for Environmental Mechanics (1971-1992).
  • Foundation director of the CSIRO Institute of Physical Sciences (1980-1983).
  • Retired 1992.

Research

The major and most recognised area of Philip's research was his work on the theory of infiltration. He derived the theory for one dimensional infiltration and developed equations which described the infiltration on both a short term and long term scale, with the revelation that when ponded infiltration in uniform soils occurs, the flow will approach the saturated hydraulic conductivity:

I = S \sqrt{t}\ + A t

where S is sorptivity and A is the steady-state infiltration rate.


Other areas of research include:

  • Examining heat and mass transfer in soils.
  • Philip also considered the importance of relationships between organisms and the environment. This included theories on plant canopies, with particular focus on investigation of crop stomatal or surface resistances. Philip was also responsible for the construction of the Soil plant atmosphere continuum which is used to explain the transfer of water within transpiration paths, a concept which has since been expanded upon.
  • Philip also studied advection, the horizontal movement of atmospheric properties e.g. temperature and while his analysis and solutions were not completed, his initial work has been important for development of solutions to problems such as long-term flux assessments.

Achievements

Bibliography

Philip, J.R. "Theory of infiltration." (1969). Advances in Hydroscience. v. 5, p. 215-296. According to Philip, this is "...a review which gives a concentrated, connected account of a program of work reported in some 30 papers over the period 1954-1968." [1]

References

  1. ^ Smiles, D. (2005). "John Robert Philip. 18 January 1927 - 26 June 1999: Elected F.R.S. 1974".  
  • Bradley, F., Clothier, B., Denmead, T., de Vries, D., Ford, P., Kluitenberg, G., Knight, J., Raats, P., Smiles, D., Waechter, T., White, I. and Youngs, E. (2001) The Environmental Mechanic (a tribute to J. R. Philip). Australian Journal of Soil Research, 39(4), 649-681.

External links

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