3D TIME-LAPSE GEOPHYSICAL IMAGING OF FERTILIZER-INDUCED SOIL AND GROUNDWATER CONTAMINATION IN OGHARA, DELTA STATE, NIGERIA

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dc.contributor.authorOzobeme, A.A.
dc.contributor.authorOsisanya, W.O.
dc.contributor.authorAiren, O.J.
dc.contributor.authorEyankware, O.M.
dc.contributor.authorIluobe, E.O.
dc.date.accessioned2026-09-04T10:28:21Z
dc.date.available2026-09-04T10:28:21Z
dc.date.issued2025-07
dc.descriptionJournal Article
dc.description.abstractFertilizer contaminants can persist in subsurface environments, making remediation efforts costly and time consuming, particularly in areas with shallow aquifers and permeable soils. This study applied time-lapse geophysical methods to assess fertilizer-related soil and groundwater pollution in agricultural regions of Oghara, Delta State, Nigeria. Eight 2-D electrical resistivity imaging (ERI) surveys were conducted, Including 16 grid-aligned lines across the Presco lowland and upland areas which were collated to form the 3 D models, along with a control line. Data were processed using RES3DINV and ZondRes3D to produce the 3-D resistivity models. Three-dimensional slices illustrated the downward migration of contaminants over time. Analysis of time-lapse data showed maximum vertical migration rates of 216.7 cm/month and horizontal rates of 750.0 cm/month at the initial site. At the second site, rates reached 122.5 cm/month vertically and 500.0 cm/month horizontally. Taking into account local hydrological and geological conditions, the contaminant plumes are projected to reach the dry sandy layer within 0.5 to 1 year.
dc.identifier.citationOzobeme, A. A., Osisanya, O. W., Airen, O. J., Eyankware, O. M., & Iluobe, O. E. (2025). 3D time-lapse geophysical imaging of fertilizer-induced soil and groundwater contamination in Oghara, Delta State, Nigeria. Environmental Contaminants Reviews, 8(2), 59–65. https://doi.org/10.26480/ecr.02.2025.59.65
dc.identifier.issn2637-0778
dc.identifier.urihttps://repository.fupre.edu.ng/handle/123456789/326
dc.language.isoen
dc.publisherZibeline International Publishing
dc.title3D TIME-LAPSE GEOPHYSICAL IMAGING OF FERTILIZER-INDUCED SOIL AND GROUNDWATER CONTAMINATION IN OGHARA, DELTA STATE, NIGERIA
dc.typeArticle
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