Abstract

The main purpose of this study is to obtain the water infiltration parameters of the soils of Michael Okpara University of Agriculture, Umudike. This could be used in simulating infiltration for these soils when designing irrigation projects, thereby saving time and cost of field measurement. Field measurements of infiltration were first made using a double ring infiltrometer. The test lasted for 180 mins in each location. Infiltration values ranged from 0.03 cm/min to 0.1 cm/min. The highest value was obtained in the Forest Block. Kostiakov’s infiltration model was then applied on the field data in order to determine the soils’ infiltration parameters and equations. The model empirical constants or parameters obtained were “m” and “n”. For “m” the values were: 0.53 for the soil of Forest Block, 0.42 for Poultry block, 0.50 for P.G. block, 0.41 for the soils of Staff School and Guest House. The corresponding “n” values were: 1.37, 1.12, 0.37, 1.79, and 1.38. Infiltration equations: 0.4It1.38, 0.4lt1.79, 0.42t1.12, and 0.53t1.37 were determined for the locations. These were used to simulate data which were evaluated by comparing them with the field data. The two data sets showed closed relationships. This implied that the model could be used to simulate water infiltration during irrigation projects in the farms of Michael Okpara University of Agriculture, Umudike.

Highlights

  • IntroductionHow to cite this paper: Igboekwe, M.U. and Adindu, R.U. (2014) Use of Kostiakov’s Infiltration Model on Michael Okpara University of Agriculture, Umudike Soils, Southeastern, Nigeria

  • Water infiltration into the soil is a very important issue in soil water management and water resource conserva-How to cite this paper: Igboekwe, M.U. and Adindu, R.U. (2014) Use of Kostiakov’s Infiltration Model on Michael Okpara University of Agriculture, Umudike Soils, Southeastern, Nigeria

  • It is the objective of this study to obtain the water infiltration parameters of the soils of Michael Okpara University of Agriculture, Umudike, which would become an input in soil water management and water resource conservative practices in this area

Read more

Summary

Introduction

How to cite this paper: Igboekwe, M.U. and Adindu, R.U. (2014) Use of Kostiakov’s Infiltration Model on Michael Okpara University of Agriculture, Umudike Soils, Southeastern, Nigeria. How to cite this paper: Igboekwe, M.U. and Adindu, R.U. Infiltration rate describes the capacity of a soil to absorb water. Its characteristics are key variables in hydrologic analysis and modeling [6] evaluated the infiltration rates of soils under four land uses in north-eastern Mexico while [7]-[9] stated that the values of the estimated parameters obtained by different models are soil-dependent and site-specific. They noted that complicated conditions and regional soil variations affect the estimated values. They noted that complicated conditions and regional soil variations affect the estimated values. [10] recommended that empirical models be used to describe infiltration process

Literature
Kostiakov’s Equation
Objective
Materials and Method
Discussions
Conclusions
Full Text
Published version (Free)

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call