Assessment of groundwater vulnerability using GOD index and Dar Zarrouk parameters: A case study of OAUSTECH main campus, Okitipupa, Ondo State
Groundwater is essential for efficient management of groundwater to prevent the deterioration of its quality. The objective of this study is to evaluate the vulnerability of the primary campus of (Olusegun Agagu University of Science and Technology) OAUSTECH in Okitipupa, Ondo State, Nigeria. This w...
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Elsevier
2024-12-01
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| Series: | Results in Earth Sciences |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2211714824000232 |
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| author | Adegoke Ige Aladeboyeje Tolulope Temitope Adenoye Okechukwu Ebuka Agbasi |
| author_facet | Adegoke Ige Aladeboyeje Tolulope Temitope Adenoye Okechukwu Ebuka Agbasi |
| author_sort | Adegoke Ige Aladeboyeje |
| collection | DOAJ |
| description | Groundwater is essential for efficient management of groundwater to prevent the deterioration of its quality. The objective of this study is to evaluate the vulnerability of the primary campus of (Olusegun Agagu University of Science and Technology) OAUSTECH in Okitipupa, Ondo State, Nigeria. This was done by analysing the GOD index and the Dar Zarrouk parameters of conductance and transverse resistance. A total of 24 Vertical Electrical Sounding (VES) data points were gathered, with AB/2 values varying from 200 to 225. These data points were then analysed utilising partial curve matching and computer iteration techniques to determine geoelectric characteristics, including resistivity and thickness. The computed characteristics, longitudinal conductance and transverse resistance, suggest that the aquifer's ability to defend against contamination in the research area is generally insufficient. The longitudinal conductance values range from 0.02 to 0.6, with most values below 0.1. Using the GOD method, the study shows that the GOD index value varies from 0.2 to 0.6, with an average of 0.325, suggesting a moderate to high level of vulnerability in the groundwater. The association between the GOD index and longitudinal conductance results in a 60 % accuracy in predicting groundwater susceptibility. This research emphasises that the groundwater within the main campus of OAUSTECH is moderately to highly vulnerable. |
| format | Article |
| id | doaj-art-aecd3aa935cb4dc19013007eae61789d |
| institution | Kabale University |
| issn | 2211-7148 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Results in Earth Sciences |
| spelling | doaj-art-aecd3aa935cb4dc19013007eae61789d2024-12-19T10:53:55ZengElsevierResults in Earth Sciences2211-71482024-12-012100036Assessment of groundwater vulnerability using GOD index and Dar Zarrouk parameters: A case study of OAUSTECH main campus, Okitipupa, Ondo StateAdegoke Ige Aladeboyeje0Tolulope Temitope Adenoye1Okechukwu Ebuka Agbasi2Department of Applied Geophysics, Olusegun Agagu University of Science and Technology, Okitipupa, Nigeria; Corresponding author.Department of Applied Geophysics, Olusegun Agagu University of Science and Technology, Okitipupa, NigeriaOkna Geophysical Services, Eket, NigeriaGroundwater is essential for efficient management of groundwater to prevent the deterioration of its quality. The objective of this study is to evaluate the vulnerability of the primary campus of (Olusegun Agagu University of Science and Technology) OAUSTECH in Okitipupa, Ondo State, Nigeria. This was done by analysing the GOD index and the Dar Zarrouk parameters of conductance and transverse resistance. A total of 24 Vertical Electrical Sounding (VES) data points were gathered, with AB/2 values varying from 200 to 225. These data points were then analysed utilising partial curve matching and computer iteration techniques to determine geoelectric characteristics, including resistivity and thickness. The computed characteristics, longitudinal conductance and transverse resistance, suggest that the aquifer's ability to defend against contamination in the research area is generally insufficient. The longitudinal conductance values range from 0.02 to 0.6, with most values below 0.1. Using the GOD method, the study shows that the GOD index value varies from 0.2 to 0.6, with an average of 0.325, suggesting a moderate to high level of vulnerability in the groundwater. The association between the GOD index and longitudinal conductance results in a 60 % accuracy in predicting groundwater susceptibility. This research emphasises that the groundwater within the main campus of OAUSTECH is moderately to highly vulnerable.http://www.sciencedirect.com/science/article/pii/S2211714824000232Aquifer protectionGeoelectric parametersLongitudinal conductanceTransverse resistance |
| spellingShingle | Adegoke Ige Aladeboyeje Tolulope Temitope Adenoye Okechukwu Ebuka Agbasi Assessment of groundwater vulnerability using GOD index and Dar Zarrouk parameters: A case study of OAUSTECH main campus, Okitipupa, Ondo State Results in Earth Sciences Aquifer protection Geoelectric parameters Longitudinal conductance Transverse resistance |
| title | Assessment of groundwater vulnerability using GOD index and Dar Zarrouk parameters: A case study of OAUSTECH main campus, Okitipupa, Ondo State |
| title_full | Assessment of groundwater vulnerability using GOD index and Dar Zarrouk parameters: A case study of OAUSTECH main campus, Okitipupa, Ondo State |
| title_fullStr | Assessment of groundwater vulnerability using GOD index and Dar Zarrouk parameters: A case study of OAUSTECH main campus, Okitipupa, Ondo State |
| title_full_unstemmed | Assessment of groundwater vulnerability using GOD index and Dar Zarrouk parameters: A case study of OAUSTECH main campus, Okitipupa, Ondo State |
| title_short | Assessment of groundwater vulnerability using GOD index and Dar Zarrouk parameters: A case study of OAUSTECH main campus, Okitipupa, Ondo State |
| title_sort | assessment of groundwater vulnerability using god index and dar zarrouk parameters a case study of oaustech main campus okitipupa ondo state |
| topic | Aquifer protection Geoelectric parameters Longitudinal conductance Transverse resistance |
| url | http://www.sciencedirect.com/science/article/pii/S2211714824000232 |
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