International Journal of Environmental Sciences

Volume 3 Issue 3 2012- November 2012    Pages: 976-985  <<Previous    Next>>

Quantitative estimation of natural recharge due to monsoon rainfall using the principle of information theory in the area of Ghorawal block of Sonebhadra district, U.P., India

Author Information:

Lazarus G. Ndatuwong1,2, G. S. Yadav1

1- Banaras Hindu University, Department of Geophysics, 221005 – Varanasi, India

2- Adamawa State University, Department of Physics, PMB 25-Mubi, Adamawa State–Nigeria

ABSTRACT

The ground water recharge rate due to monsoon rainfall is estimated for the area of Ghorawal block in Sonebhadra district of Uttar Pradesh (U.P.), India, using the entropy method from the principle of information theory. Average water level measured in ten (10) different locations in Ghorawal block and the monsoon rainfall recorded in the district from year 2007 - 2010 was used for the analysis. The contribution due to the monsoon rainfall during this period was obtained by calculating the marginal and mutual entropies of the monsoon rainfall and the depth to water level. A ratio of mutual entropy to marginal entropy of rainfall was used as a measure of the fractional amount of rainfall that recharges the ground water resources in the study area. An estimated rate of 12.1% of the rainfall measured during the study period was calculated.

Keywords: Information theory, Entropy, water table, monsoon rainfall, recharge, hard rock.

DOI:10.6088/ijes.2012030133005

© 2012 Copyright by the authors, licensee Integrated Publishing Association.This is an open access article distributed under the Creative Commons Attribution License (3.0) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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