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Comparative Evaluation of Analytic Solutions in Predicting Soil Moisture Profiles in Vertical One-Dimensional Infiltration under Ponded and Constant Flux Boundary Conditions

Author

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  • p. kerkides
  • a. poulovassilis
  • i. argyrokastritis
  • s. elmaloglou

Abstract

The problem of vertical one-dimensional infiltration for both ponded and constant flux boundary conditions was studied through the use of existing analytic solutions. Main objective was to compare the soil moisture profile developed under constant flux boundary condition at the time of ponding $$\theta _R \left( {{\rm Z},T} \right)$$ , with that moisture profile developed under ponded conditions at an earlier time $$\theta _F \left( {{\rm Z},t_C } \right)$$ . Time t C denotes the time when the decreasing infiltration rate for the ponded conditions becomes equal to the constant flux q , applied for the constant flux case. One might state that the analytical solutions, for both cases do not give identical profiles. An approximate coincidence might be brought about through a modification in the diffusivity which, in many respects, seems justified. Practical outcome of the above analysis is the determination of the time of ponding T, after which surface runoff starts, for the constant flux case. This is of practical significance either under natural conditions of rainfall or under conditions of sprinkle-irrigation, since surface runoff is directly related with soil erosion and waste of irrigation water. Therefore any attempt to determine the time of ponding T is well merited. Copyright Kluwer Academic Publishers 1997

Suggested Citation

  • p. kerkides & a. poulovassilis & i. argyrokastritis & s. elmaloglou, 1997. "Comparative Evaluation of Analytic Solutions in Predicting Soil Moisture Profiles in Vertical One-Dimensional Infiltration under Ponded and Constant Flux Boundary Conditions," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 11(5), pages 323-338, October.
    • Handle: RePEc:spr:waterr:v:11:y:1997:i:5:p:323-338
    DOI: 10.1023/A:1007978714468
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    Citations

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    Cited by:

    1. Longshan Zhao & Linhua Wang & Xinlan Liang & Jian Wang & Faqi Wu, 2013. "Soil Surface Roughness Effects on Infiltration Process of a Cultivated Slopes on the Loess Plateau of China," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 27(14), pages 4759-4771, November.
    2. George Kargas & Petros Kerkides, 2011. "A Contribution to the Study of the Phenomenon of Horizontal Infiltration," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 25(4), pages 1131-1141, March.
    3. I. Argyrokastritis & G. Kargas & P. Kerkides, 2009. "Simulation of Soil Moisture Profiles Using K(h) from Coupling Experimental Retention Curves and One-Step Outflow Data," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 23(15), pages 3255-3266, December.
    4. Prashant K. Srivastava, 2017. "Satellite Soil Moisture: Review of Theory and Applications in Water Resources," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 31(10), pages 3161-3176, August.

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