Estimation of the Discharge of River Gongola at Gombe-Abba Bridge for Water Resources Management in North-Eastern Nigeria

B. B Wanah, L. A Mbaya, K. P Yoriyo, E. Y Mbiimbe and F. Y Fai
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B. B Wanah: Gombe State University, Gombe, Nigeria
L. A Mbaya: Gombe State University, Gombe, Nigeria
K. P Yoriyo: Gombe State University, Gombe, Nigeria
E. Y Mbiimbe: Gombe State University, Gombe, Nigeria
F. Y Fai: Gombe State University, Gombe, Nigeria

International Journal of Research and Innovation in Social Science, 2023, vol. 7, issue 10, 631-637

Abstract: This research was conducted on estimating the discharge of River Gongola at Gombe-Abba with a view of providing information for sustainable management of water resources. The study adopted manual method where pillars were graduated for daily measurement of the fluctuation in surface water levels were determined while surface float method (SFM) was employed in determining flow velocities. Data collected on was applied on the formula discharge = hydraulic radius x stage x velocity to compute the daily discharges. The computed discharges show that the discharge values for the months of July to October gave 7.1 x 108, 1.7 x 109, 1.8 x 109, and 9 x 108 m3. The study concluded that River Gongola discharges an average of 8.2 x 109 m3 for the four months which is significantly high enough to support sustainable supply for use in agriculture and domestic purposes. It is recommended that this huge discharge be transferred to north eastern Nigeria to mitigate the acute water scarcity in the Sahelian region of the country and to ultimately discharge the water into Lake Chad to augment the volume of water in the lake which is fast drying due to climate change.

Date: 2023
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