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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Groundwater level monitoring and recharge estimation in the White Volta River basin of Ghana
Journal of African Earth Sciences, Volume 71-72, Year 2012
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Description
Recharge quantification is an important pre-requisite for effectively managing groundwater resources as recharge estimates are needed to determine sustainable yields of groundwater aquifers for rational and sustainable exploitation of the resource. In this study, the water table fluctuation method has been applied in the White Volta River basin of Ghana (approx. 46,000km 2) to estimate seasonal fluctuations in groundwater levels in the basin and subsequently to estimate recharge to the groundwater for the 2006 and 2007 water years. Results show high seasonal and spatial variability in the water level, with a range of 1240-5000mm in 2006, and 1600-6800mm in 2007. Seasonal rainfall was found to be the main source of recharge to the aquifers in the basin as water level rise occurred only in the rainfall season. Recharge to groundwater in the White Volta basin was estimated to vary between 2.5% and 16.5% of the mean annual rainfall, with a mean recharge of 7-8%. © 2012 Elsevier Ltd.
Authors & Co-Authors
Obuobie, Emmanuel
Unknown Affiliation
Diekkrüger, Bernd
Unknown Affiliation
Agyekum, William Atuobi
Unknown Affiliation
Agodzo, Sampson Kwaku
Unknown Affiliation
Statistics
Citations: 57
Authors: 4
Affiliations: 4
Identifiers
Doi:
10.1016/j.jafrearsci.2012.06.005
ISSN:
1464343X
e-ISSN:
18791956
Research Areas
Environmental
Study Locations
Ghana