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Open AccessArticle

Assessing the Impacts of Population Growth and Climate Change on Performance of Water Use Systems and Water Allocation in Kano River Basin, Nigeria

1
CTAC, University of Minho, Azurem Campus, 4800-058 Guimarães, Portugal
2
Civil Engineering Department, Kano University of Science & Technology, 713281 Wudil, Nigeria
3
International Water Resources Association, 92027 Paris, France
*
Author to whom correspondence should be addressed.
Water 2018, 10(12), 1766; https://doi.org/10.3390/w10121766
Received: 16 October 2018 / Revised: 14 November 2018 / Accepted: 27 November 2018 / Published: 1 December 2018
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Abstract

Improving the performance of water use systems (WUSs) is essential for addressing the pressure on water resources for sustainability. Despite the potential impacts of population growth and global warming especially in semi-arid regions, the knowledge and understanding of WUSs and impacts of those main drivers of change on their performance are not available in the Kano River basin (KRB). This paper assesses these impacts on the performance of KRB, using the new and innovative Sefficiency (sustainable efficiency) framework, which incorporates quantity, quality, and beneficial aspects of water use in a comprehensive and systemic manner. We found that performance of the WUSs is sensitive to population growth and global warming under the scenarios considered. Kano River is relatively less sensitive to global warming impacts, while high population growth is dominant. Moreover, their combined effect will result in a reduction of downstream water by 70% and potential demands will far exceed the available supply by 2050. It is recommended that efficient management of water regarding the qualitative as well as quantitative aspects is very critical in KRB. This study can be regarded as the first step, and future studies may adopt the described methodology and can benefit from smart technologies, e.g., sensors and remote sensing. View Full-Text
Keywords: population growth; climate change; water allocation; Sefficiency; Kano River basin; water resources management population growth; climate change; water allocation; Sefficiency; Kano River basin; water resources management
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Ahmad, M.T.; Haie, N. Assessing the Impacts of Population Growth and Climate Change on Performance of Water Use Systems and Water Allocation in Kano River Basin, Nigeria. Water 2018, 10, 1766.

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