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M H Fadadu P K Shrivastava D K Dwivedi

Abstract

The design and evaluation of surface irrigation systems of a site requires reliable data of infiltration which could be provided by an infiltration model. In this study, Horton’s infiltration model has been estimated for the soil located in a field of College of Agricultural Engineering and Technology, Dediapada, Gujarat using the infiltration data obtained from several locations in the field using double ring infiltrometer. The decay constant of the Horton’s infiltration model was obtained using graphical method and also by using semi-log plot of t (time) vs. (f – fc), where f is the infiltration rate (mm/hr) and fc is the initial rate of infiltration capacity (mm/hr). The potential of the Horton’s infiltration model so obtained was evaluated by least square fitting with the observed infiltration data. The Horton’s infiltration model was used to estimate infiltration rate (mm/hr) and cumulative infiltration (cm). The Horton’s model for infiltration rate obtained by semi-log plot method was obtained as i=20 + 94 e-1.02t, where i=infiltration rate (mm/hr) and t= time (min). The coefficient of determination obtained when the infiltration model was applied to observation data taken at various points in the field were found to 0.96. Therefore, it could be inferred that the Horton’s infiltration model could give a reliable estimate of infiltration for the soil of Dediapada.


 

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Keywords

Cumulative infiltration, Double ring infiltrometer, Graphical method, Infiltration model, Infiltration rate

References
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How to Cite
Fadadu, M. H., Shrivastava, P. K., & Dwivedi, D. K. (2018). Application of Horton’s infiltration model for the soil of Dediapada (Gujarat), India. Journal of Applied and Natural Science, 10(4), 1254-1258. https://doi.org/10.31018/jans.v10i4.1928
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Research Articles