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Changes in Flood Risk in Lower Niger–benue Catchments : Volume 370, Issue 370 (11/06/2015)

By Odunuga, S.

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Book Id: WPLBN0004021413
Format Type: PDF Article :
File Size: Pages 6
Reproduction Date: 2015

Title: Changes in Flood Risk in Lower Niger–benue Catchments : Volume 370, Issue 370 (11/06/2015)  
Author: Odunuga, S.
Volume: Vol. 370, Issue 370
Language: English
Subject: Science, Proceedings, International
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2015
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

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Adegun, O., Udofia, S., Raji, S. A., & Odunuga, S. (2015). Changes in Flood Risk in Lower Niger–benue Catchments : Volume 370, Issue 370 (11/06/2015). Retrieved from http://www.ebooklibrary.org/


Description
Description: Department of Geography, University of Lagos, Nigeria. Floods are devastating natural disasters with a significant impact on human life and the surrounding environment. This paper analyses historical and recent flood (2012 extreme) peak flow at strategic locations, land use activities and Floodplain Vulnerability Index analyses of the Niger–Benue River Floodplain. The 2012 peak flow at Jederbode on the Niger River was about 50% above the long term average. At Jebba (Niger), the 2012 peak flow of 1567 m3 s−1 was also far higher than the long term mean annual peak flow of 1159 m3 s−1. The 2012 peak flow at Lokoja was also about 50 % above the historical average. The Benue River at Makurdi had peak flow of 16 387 m3 s−1 which was also unusually higher than the historical average while Wuroboki (Benue) had peak flow of 3362 m3 s−1 which was also much higher that the historical average (694 m3 s−1). The mixed land use which supported diverse ecosystem services has the largest cover of 5654 km2 (36.85%) of the Niger–Benue floodplain. The flood vulnerability of the various land uses within the floodplain include; medium, high and very high levels. A four levels hierarchical implementation adaptation strategy for sustainable agricultural practices along the rivers flood plain was proposed. The implementation hierarchy includes: Community Concern, Local Authority Concern, State Concern and National Concern.

Summary
Changes in flood risk in Lower Niger–Benue catchments

Excerpt
Adeniyi, P. O. and Omojola, A.: Land use/land cover change evaluation in Sokoto–Rima basin of NW Nigeria based on archival remote sensing and GIS techniques, in: Geoinformation Technology Applications for Resources and Environmental Management in Africa, edited by: Adeniyi, P. O., 143–172, African Association of Remote Sensing of the Environment (AARSE) publication, Wura-Kay Prints, Lagos, Nigeria, 1999.; AFO (Annual Flood Outlook): A publication of Nigeria Hydrological Services Agency (NIHSA), available at: http://www.nihydro.gov.ng, 2013.; DMSG-Disaster Management Support Group: The Use of Earth Observing Satellites for Hazard Support Group, Final Report, NOAA, Department of Commerce, USA, 2001.; Odunuga, S.: Urban Land use change and the flooding pattern in Ashimowu Watershed, Lagos, Nigeria, unpublished PhD Thesis, University of Lagos, Akoka, Nigeria, available at: http://start.org/download/doctoral04/Odunuga; Odunuga, S., Oyebande, L., and Omojola, S.: The influence of precipitation and landuse change on flood incidence in Lagos Metropoilis, Nigeria, Nigerian J. Hydrol. Sci., NJHS, 1, 1–17, 2012.; Odunuga, S. and Oyebande, L.: Change detection and hydrological implication in the Lower Ogun flood plain, SW Nigeria, in: Remote Sensing for Environmental Monitoring and Change Detection, edited by: Owe, M. and Neale, C., IAHS Publ. 316, IAHS Press, Wallingford, 91–99, 2007.; Oyebande, L. and Odunuga, S.: Climate change impact on water resources at the transboundary level in West Africa: the cases of the Senegal, Niger and Volta Basins, Bentham Science Publishers Ltd, UK, Open Hydr. J., 4, 163–172, 2010.; Nkeki, F. N., Henah, P. J., and Ojeh, V. N.: Geospatial Techniques for the Assessment and Analysis of Flood Risk along the Niger-Benue Basin in Nigeria, J. Geogr. Inform. Syst., 5, 123–135, doi:10.4236/jgis.2013.52013, 2013

 

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