A New Model to Measure in Situ Saturated Hydraulic Conductivity Using Auger Hole with Flat Bottom

Model to measure in situ saturated hydraulic conductivity


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Authors

  • Gyan Singh Gyan SHUATS
  • Chhedi Lal
  • Denis Sam HigginBottom University of Agriculture, Technology & Sciences, Prayagraj, 211007(U.P.)

Keywords:

Auger hole method, elevated field bed, saturated hydraulic conductivity, subsurface drainage, waterlogged saline soil

Abstract

The value of saturated hydraulic conductivity (Ks) are essentially required for the design of subsurface drainage and design of elevated field beds for reclamation and management of waterlogged saline as well as sodic soils. Hooghoudt (1936) model for Ks was modified in the present study to improve the estimate. A model for Ks measurement was also developed and compared with existing model. Ernst (1950) model is widely used for field application. The newly proposed model calculated the value of Ks as 0.248 m/day. Hooghoudt, modified Hooghoudt and Ernst model gave the values of Ks as 0.436 and 0.255 m/day. The Ks value obtained by newly developed model was closest to the value obtained by the Ernst model with deviation of 0.8% only. The new model is quite simple to understand with best accuracy hence recommended for field application.

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Author Biographies

  • Chhedi Lal

    Senior Scientist

    ICAR Central Soil Salinity Research Institute

    Regional Research Station, Lucknow 226002 (U.P.)

  • Denis, Sam HigginBottom University of Agriculture, Technology & Sciences, Prayagraj, 211007(U.P.)

    Professor

    Deptt. Irrigation & Drainage Engg.

    Sam HigginBottom University of Agriculture, Technology & Sciences, Prayagraj, 211007(U.P.)

     

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Submitted

2023-02-07

Published

2023-07-25

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Articles

How to Cite

Gyan, G. S., Verma, C. L., & Denis, D. M. (2023). A New Model to Measure in Situ Saturated Hydraulic Conductivity Using Auger Hole with Flat Bottom: Model to measure in situ saturated hydraulic conductivity. Journal of Soil Salinity and Water Quality, 15(1), 52-60. https://epubs.icar.org.in/index.php/JoSSWQ/article/view/132999