Geophysical and hydrogeological evaluation of rising groundwater level in the coastal areas of Lagos, Nigeria

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dc.contributor.authorOyedele, K.F
dc.contributor.authorAyolabi, E.A
dc.contributor.authorAdeoti, L
dc.contributor.authorAdegbola, R.B
dc.date.accessioned2019-09-03T13:16:17Z
dc.date.available2019-09-03T13:16:17Z
dc.date.issued2009
dc.description.abstractThe paper reports the change in groundwater level observed in 30 wells in ten locations in southern Nigeria. Borehole data confirmed the electrical resistivity soundings which indicated the presence of topsoil, medium sand, sand, clayey sand and coarse sand. In some cases, there was little apparent change in the rate of groundwater rise, but from the data obtained it can be concluded that in the years 2000–2004 the average yearly rise was 0.3 m while between 2004 and 2007 it rose on average by 0.5 m. This rise in groundwater level has serious implications for both existing structures and the nature of the foundations for future building. The electrical resistivity survey was found to be a helpful tool in detailing the morphology of the groundwater surface and is recommended for ongoing monitoring.en_US
dc.identifier.citationOyedele, K. F., Ayolabi, E. A., Adeoti, L., & Adegbola, R. B. (2009). Geophysical and hydrogeological evaluation of rising groundwater level in the coastal areas of Lagos, Nigeria. Bulletin of engineering geology and the environment, 68(1), 137-143.en_US
dc.identifier.urihttps://ir.unilag.edu.ng/handle/123456789/5089
dc.language.isoenen_US
dc.publisherBulletin of engineering geology and the environmenten_US
dc.subjectElectrical soundingsen_US
dc.subjectGeoelectric sectionsen_US
dc.subjectCoastal aquifersen_US
dc.subjectGroundwater levelen_US
dc.titleGeophysical and hydrogeological evaluation of rising groundwater level in the coastal areas of Lagos, Nigeriaen_US
dc.typeArticleen_US
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