Estimation of Rainfall Erosivity Index for Auchi, Edo State, using Lombardiâ€™s Method

Ajayi A. Stanley; Ehiomogue P.; Kayong A. E.; Duweni E. C.

Estimation of Rainfall Erosivity Index for Auchi, Edo State, using Lombardi’s Method

Ajayi A. Stanley * § MSC

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Ehiomogue P.

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Kayong A. E.

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Duweni E. C.

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§ ABU

Estimation of Rainfall Erosivity Index for Auchi, Edo State, using Lombardi’s Method

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Abstract

The erosivity factor in the universal soil loss equation (USLE) provides an effective means of evaluating the erosivity power of rainfall. This study evaluated the erosivity factor based on monthly and annual precipitation rainfall data of Auchi, Edo State covering a period of 2005 -2014 using Lombardi method (EI =1.03V d 1.51 ). It was discovered that higher rainfall values resulted in high erosivity index values which was in line with other tropical climates. The average annual erosivity index for the city during the period of study was 587.32 MJ mm/hr. The R 2 of 0.651 shows that precipitation alone contributed 65.1% of the erosion risk within the study period. The knowledge of impact of rainfall on erosivity is essential in soil erosion risk assessment and for soil and water conservation planning.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Ajayi A. Stanley, Ehiomogue P., Kayong A. E., Duweni E. C.. 2019. "Estimation of Rainfall Erosivity Index for Auchi, Edo State, using Lombardi’s Method". Global Journal of Research in Engineering - J: General Engineering GJRE-J Volume 19 (GJRE Volume 19 Issue J2).

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GJRE Volume 19 Issue J2

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords

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Classification

GJRE-J Classification FOR Code: 291899

Submission ReceivedDecember 11, 2018
Peer Review Double Blind
Handling Editor
Accepted January 5, 2019
Published January 15, 2019

Version of record

v1.2

Issue date

April 8, 2019

Language

English

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Article Matrices

Total Score: 104

Country: Nigeria

Subject: Global Journal of Research in Engineering

Authors: Ajayi A. Stanley, Ehiomogue P., Kayong A. E., Duweni E. C. (PhD/Dr. count: 0)

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Publish Date: 2019 01, Tue

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