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Search the World's Largest Database of Information Science & Technology Terms & Definitions

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Below please find a list of definitions for the term that
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What is Direct Recharge

Chapter 8

Applications of Image Processing and Soft Computing Systems in Agriculture

Water added to the groundwater reservoir in excess of soil moisture and evapotranspiration deficits, by direct vertical percolation of water.

Published in Chapter:

Application of Software in Soil and Groundwater Recharge Estimation in Ilorin, Nigeria

Afolabi M. Asani (Ladoke Akintola University, Nigeria), Salihu Lukman (University of Hafr Al-Batin, Saudi Arabia), and Isaiah Adesola Oke (Obafemi Awolowo University, Nigeria)

Source Title: Applications of Image Processing and Soft Computing Systems in Agriculture

DOI: 10.4018/978-1-5225-8027-0.ch008

Abstract

Rainfalls measured in a selected location in Ilorin, Nigeria and standard formula were used to fix the unknown parameters of the new numerical formula using Microsoft Excel Solver. The new numerical formula was used to estimate groundwater recharge from the rainfall. The accuracy of the new numerical formula was evaluated statistically and compared with the previous formulae in use using field groundwater recharge. Correlation between rainfall and estimated groundwater recharge was stablished. Annual cost benefit of groundwater recharge was computed. The study revealed that new formula provided the lowest relative error of 0.001%, the highest MSC of 17.747; the degree of accuracy of 99.999% correlation factor between rainfall and groundwater recharge using the new numerical formula was 0.1612 with correlation coefficient of 0.6079. The average annual cost benefit was1080.24 $ m-2 per year. It was concluded that modeling of groundwater recharge using the new numerical formula is a promising tool for estimating groundwater recharge with minimum error in water resources management.

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