alexa Estimation of Deep Percolation in Sandy-Loam Soil using
ISSN: 2168-9768

Irrigation & Drainage Systems Engineering
Open Access

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Research Article

Estimation of Deep Percolation in Sandy-Loam Soil using Water-balance Approach

Upreti H*, Ojha CSP and Hari Prasad KS

Department of Civil Engineering, Indian Institute of Technology, India

*Corresponding Author:
Upreti H
Research Scholar
Department of Civil Engineering
Indian Institute of Technology, India
Tel: 9045737408
E-mail:[email protected]

Received:October 19, 2015 Accepted: November 09, 2015 Published: November16, 2015

Citation: Upreti H, Ojha CSP, Hari Prasad KS (2015) Estimation of Deep Percolation in Sandy-Loam Soil using Water-balance Approach. Irrigat Drainage Sys Eng S1:002. doi:10.4172/2168-9768.S1-002

Copyright: © 2015 Upreti H, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



The most reliable method used to estimate deep percolation is using Lysimeter which proves to be expensive and time consuming as well. In this study, deep percolation has been estimated by using water balance method. The experimental setup consisted of two lysimeters in the Hydraulic Engineering field lab, I.I.T., Roorkee in which maize crop was grown. Regular measurements of soil moisture were made at the depths 0-20 cm, 20-40 cm, 40- 60 cm, 60-80 cm and 80-100 cm using gravimetric method. The evapotranspiration estimates were determined using Penman-Moneith equation. The deep percolation is calculated using the water-balance approach. The deep percolation calculated using the water-balance approach is comparable to the observed values of deep percolation which are obtained from the lysimeters.


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