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International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
 
 
Tuesday 25 September 2018

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THE IMPACTS OF CLIMATE CHANGE ON THE DISCHARGE OF OSSE-OSSIOMO RIVER BASIN, SOUTH-WEST, NIGERIA


Volume 17, Issue 4, September 2016, Pages 1105–1113

 THE IMPACTS OF CLIMATE CHANGE ON THE DISCHARGE OF OSSE-OSSIOMO RIVER BASIN, SOUTH-WEST, NIGERIA

Catherine Ikhile1 and Dieudonné Wafula Mifundu2

1 Department of Geography/Regional Planning, Faculty of Social Sciences, University of Benin, P.M.B.1154, Benin City, Edo State, Nigeria
2 Centre de recherche en Géophysique (C.R.G), Kinshasa, RD Congo

Original language: English

Received 2 May 2016

Copyright © 2016 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


The impacts of climate change of Osse-Ossiomo River Basin in the South-West of Nigeria under different climatic Scenarios were investigated using information on rainfall - temperature for forty years (1961 - 2000). Discharge information of Osse and Ossiomo rivers was collected for the period from 1989 to 1994. A number of water resources development schemes including hydroelectric and water supply projects have been planned in the southwestern of the river system of Nigeria. Results revealed fluctuating rainfall pattern with great uncertainties in the mid-1980s. Temperature shows an increasing trend and the highest temperature of 37oC was obtained in 1998 during the 40-year period. There is a strong evidence of global warming using the index of temperature in the drainage basin. River discharge also indicated fluctuating trends from year to year in the decades with records. It was concluded that the river discharge pattern of Osse-Ossiomo River Basin exhibited similar behaviors as other drainage basins of the world. Climate change has impacted on the river discharge of Osse-Ossiomo. This has implication on water security, sanitation and health of the inhabitants in the river basin. Most people were forced to resort to various sources for the numerous uses of water. Statistical tests had shown that the changes in rainfall temperature and rainfall discharge were significant at the 5% level.

Author Keywords: River basin, rainfall, temperature, discharge, Osse-Ossiomo Basin, health, sanitation.


How to Cite this Article


Catherine Ikhile and Dieudonné Wafula Mifundu, “THE IMPACTS OF CLIMATE CHANGE ON THE DISCHARGE OF OSSE-OSSIOMO RIVER BASIN, SOUTH-WEST, NIGERIA,” International Journal of Innovation and Applied Studies, vol. 17, no. 4, pp. 1105–1113, September 2016.