Geology, Geotechnical Engineering and Engineering Geology, Geophysics, Environmental Chemistry
9
Scopus Publications
422
Scholar Citations
11
Scholar h-index
11
Scholar i10-index
Scopus Publications
Stable isotopes and hydrochemical characterisation of groundwater in the crystalline aquifers of Ilorin, Nigeria Wasiu Olanrewaju Raji, Mumeen Adebayo Yusuf, Tamiru Alemayehu Abiye, Jamiu Abimbola Aladejana, Tahir Fikayo Assa-sadique, Damilola Jemilayo, Kehinde David Adeleye Applied Water Science, 2026 The stable isotopes of oxygen and deuterium are usually referred to as the “DNA” of water molecules because of their non-interaction with aquifer materials. These isotopes, when combined with the ionic content of water, become powerful tools to decipher the mixing between water masses of different salinities, thus enabling the tracing of water origin, determining the source of pollution and usability. Stable isotope and physicochemical data from sixty representative groundwater samples have been used to evaluate the origin, quality, usability of groundwater, and the aquifer recharge-discharge system in the basement complex of Ilorin, north-central Nigeria. Results revealed that the stable isotope values in the groundwater samples vary from − 7.27 ± 0.35 ‰ to − 2.45 ± 0.5 ‰, and from − 32.0 ± 2.7 to − 16.9 ± 3.1 ‰ for δ18O and δ2H, respectively, indicating mixing of groundwater from both isotopically enriched and depleted meteoric origins. The cross-plot of δ18O and d-values shows a distribution pattern that varies from − 0.31 to 26.22 ‰ with a mean value of 15.55 ‰, and indicates local and regional moisture circulation and evaporative enrichment as the source of aquifer recharge in the study area. A joint interpretation of EC and δ18O of the groundwater samples for resident time suggests recent recharge, recent recharge but polluted, and recent/paleo recharge. The enriched stable isotope content was correlated with high EC and TDS, indicating an increase in salinity. The cations and anions abundance are in the order of Na+ > Mg2+ > Ca2+ > K+ and Cl > HCO3 > SO4, respectively. The groundwater is essentially Na–Cl and Na–Mg–HCO3 types. The information derived from the correlation of stable isotopes and hydrochemistry helped in identifying an evolutionary trend in the water chemistry. Comparisons of the measured physicochemical parameters of the groundwater with the WHO and NSDWQ confirmed that the water is suitable for human consumption and irrigation purposes.
Delineation of aquifer promising zones and protective capacity for regional groundwater development and sustainability Joseph Omeiza Alao, Mumeen Adebayo Yusuf, Mohammed Shettima Nur, Abdulkareem Muhammad Nuruddeen, Muhammad Sani Ahmad, Emmanuel Jaiyeoba SN Applied Sciences, 2023 Water security is the central mission of the sustainable development goals. The demand for potable and clean water has skyrocketed due to frequent borehole failures and population expansion, which requires adequate groundwater resource management strategies. Identifying groundwater potential zone, overburden protective index capacity and installations of alternative/artificial storage support mechanisms for water security and sustainability under the growing water challenge and demand is critical. This study identifies; (i) aquifer promising zones (ii) aquifer protective capacity through geophysical investigation and suggests (iii) improving aquifer recovery management strategy as the top three targets for groundwater development. An electric resistivity technique was applied to acquire a total of sixty (60) vertical electrical sounding points with Schlumberger arrays. The study indicates the resistivity layer of the aquifer unit ranges from 21 to 294 Ωm, while the aquifer layer thickness values spread from 8 to 59 m and the overburden thickness overlays the aquifer unit extends from 3 to 20 m. The deeper aquifer zones were encountered between 30 and 59 m, which could be suitable for groundwater development, and the shallow aquifer occurs between 8 and 14 m, which is not encouraging for groundwater development and may be susceptible to surface contaminations. However, for water security and sustainability, multiple boreholes should be sited at the delineated aquifer promising zone where the aquifer is fractured and occurs within a depth of 30 m and above. The weathered/fractured units constitute the regional aquifer units, which are largely responsible for the groundwater potential. The hydraulic conductivity of the regional aquifer was estimated to vary between 0.337 and 10.62 m/day, which invariably enhances the aquifer recovery processing. Groundwater quality and the risk of surface contamination were examined through overburden protective index capacity.
Hydrogeochemical and salinity appraisal of surficial lens of freshwater aquifer along Lagos coastal belt, South West, Nigeria M.A. Yusuf, T.A. Abiye, K.O. Ibrahim, H.O. Abubakar Heliyon, 2021 above the permissible limit of drinking water standard, particularly in the wet season. In addition to the successful application of the proposed ionic plots, the study justifies the importance of multiple tools application in the hydrogeochemical deductions and recommends consistent monitoring of the shallow aquifers in the Lagos coastal basin.
Origin and residence time of shallow groundwater resources in Lagos coastal basin, south-west Nigeria: An isotopic approach M.A. Yusuf, T.A. Abiye, M.J. Butler, K.O. Ibrahim Heliyon, 2018 H values ranged from -24.75 and -19.70 ‰ for the wet and dry seasons, respectively. The obtained results indicated non-existence of paleo recharge; rather all groundwater in the basin were found to be essentially of meteoric origin with intermittent surface water contributions. Moreover, shallow groundwater and surface water have considerable variations in isotopic compositions, reflecting evaporation and preservation of seasonal fluctuation. Though there was an observed generally low tritium content, however, it proved useful in the identification of recent active recharge taking place across the basin. The deduced radiocarbon age reflected the presence of "modern water" and thus supports the presence of present recharge to the groundwater system. Therefore, the source of the shallow groundwater recharge was actively renewable particularly during the wet season and thus water exploitation is potentially sustainable in the basin.
RECENT SCHOLAR PUBLICATIONS
Stable isotopes and hydrochemical characterisation of groundwater in the crystalline aquifers of Ilorin, Nigeria WO Raji, MA Yusuf, TA Abiye, JA Aladejana, TF Assa-sadique, ... Applied Water Science , 2026 2026
Hydrochemical Appraisal of Groundwater Resources in Part of Southern Anambra Basin: Its Implications for Irrigation Purpose. KO Iheme, AO Usman, HO Abubakar, JC Magbo, MA Yusuf, MC Olelewe, ... Faculty of Applied Sciences, Ibrahim Badamasi Babangida University, Lapai … , 2025 2025
Stable Isotopic Signatures (18O and 2H) and Hydrochemistry in Assessing Basement Aquifer Recharge and Driving Forces of Groundwater Quality in Parts of Ilorin, Northcentral Nigeria MA Yusuf, TA Abiye, JO Alao, KO Ibrahim, TA Oyeleke, ED Awujo, ... University of Technology Sarawak , 2025 2025
Structural and hydrochemical assessment of artesian springs in Share region, southwestern Nigeria HO Abubakar, IO Folorunso, HB Olawumi, MA Yusuf, TO Adeoye, ... European water Associations , 2025 2025
An approach for assessment of building failures in a part of Ilorin, Nigeria KO Ibrahim, A Ahmed, SA Oke, MA Yusuf, HB Olawumi, AK Oniyangi All Earth 36 (1), 1-13 , 2024 2024 Citations: 2
Health Risk Assessment of Trace Elements in Groundwater Around Marble Mine in Owa-Kajola, Southwestern Nigeria KO Ibrahim, SA Oke, MA Yusuf, MW Purchase Ilorin Journal of Science 11 (3 (Special)), 26-32 , 2024 2024
Environmental assessment of heavy metal pollution around industrial area in Southwestern, Nigeria KO Ibrahim, MM Orosun, MW Purchase, MA Yusuf Journal of Sustainable Natural Resources 5 (1), 40-51 , 2024 2024 Citations: 5
Delineation of aquifer storage potential in response to regional groundwater development JO Alao, HA Lawal, M Abdulsalami, F Abubakar, OO Abduwahab, ... Discover Water 4 (1), 25 , 2024 2024 Citations: 14
Analisis Faktor Penghambat Pengawasan Kegiatan Organisasi Kemasyarakatan (Ormas) di Provinsi Sulawesi Tenggara M Yusuf, M Fitriadi, LO Bariun Sultra Research of Law 6 (1), 1-7 , 2024 2024
PENANGANAN KASUS PERCERAIAN AKIBAT KEKERASAN DALAM RUMAH TANGGA DI PENGADILAN AGAMA ANDOOLO BT SURIANI, B LA ODE SULTRA RESEARCH OF LAW Учредители: Universitas Sulawesi Tenggara 6 (2), 83-92 , 2024 2024
Delineating Groundwater Potential Zones in Parts of North Central Nigeria, Using Geographical Information System (GIS) and Analytical Hierarchical Process (AHP) Techniques UT Yusuf, M.A., Arowolo, M.O., Alao, J.O., Abiye, T.A., Ibrahim, K.O ... Water Resources 34 (2), 233-256 , 2024 2024
Geophysical Imaging of Channel-Fill Sandstones Within the Gombe Formation in The Gongola Basin, Northeast Nigeria: Implication for Groundwater Exploration in Kashere Town MA Isiaka, A. I., Jolly, B. A., and Yusuf Water Resources 34, 47-55 , 2024 2024
Effects of dumpsite leachate plumes on surface and groundwater and the possible public health risks JO Alao, A Fahad, HG Abdo, DA Ayejoto, H Almohamad, MS Ahmad, ... Science of The Total Environment 897, 165469 , 2023 2023 Citations: 114
Delineation of Aquifer Storage Capacity in Response to Regional Groundwater Development JO Alao, OO Abduwahab, HA Lawal, ET Mary, MA Yusuf, A Fahad, ... 2023
Delineation of aquifer promising zones and protective capacity for regional groundwater development and sustainability JO Alao, MA Yusuf, MS Nur, AM Nuruddeen, MS Ahmad, E Jaiyeoba SN Applied Sciences 5 (5), 149 , 2023 2023 Citations: 40
Delineation of aquifer promising zones and protective capacity for regional groundwater development and sustainability. SN Appl Sci 5: 149 JO Alao, MA Yusuf, MS Nur, AM Nuruddeen, MS Ahmad, E Jaiyeoba 2023 Citations: 18
Environmental Risk of Cement Production in Obajana, North Central Nigeria KO Ibrahim, MA Yusuf, AA Soliu, U Issa Nigerian Mining and Geosciences Society , 2022 2022
Application of environmental isotopes in sustainability assessment of the groundwater resources of Lagos Coastal Basin (LCB), south-west, Nigeria MA Yusuf, TA Abiye, MJ Butler, KO Ibrahim Groundwater for Sustainable Development 16, 100721 , 2022 2022 Citations: 11
Hydrogeochemical and salinity appraisal of surficial lens of freshwater aquifer along Lagos coastal belt, South West, Nigeria MA Yusuf, TA Abiye, KO Ibrahim, HO Abubakar Heliyon 7 (10) , 2021 2021 Citations: 34
Assessment of saltwater–freshwater interactions using water samples and borehole logging information in the Lagos coastal region, Nigeria MA Yusuf, TA Abiye, KO Ibrahim, BA Ojulari Environmental Earth Sciences 80 (19), 679 , 2021 2021 Citations: 9
MOST CITED SCHOLAR PUBLICATIONS
Effects of dumpsite leachate plumes on surface and groundwater and the possible public health risks JO Alao, A Fahad, HG Abdo, DA Ayejoto, H Almohamad, MS Ahmad, ... Science of The Total Environment 897, 165469 , 2023 2023.0 Citations: 114
Risks of groundwater pollution in the coastal areas of Lagos, southwestern Nigeria. MA 13. Yusuf, TA and Abiye Journal of groundwater for sustainable development 9, 1-13 , 2019 2019.0 Citations: 73
Delineation of aquifer promising zones and protective capacity for regional groundwater development and sustainability JO Alao, MA Yusuf, MS Nur, AM Nuruddeen, MS Ahmad, E Jaiyeoba SN Applied Sciences 5 (5), 149 , 2023 2023.0 Citations: 40
Hydrogeochemical and salinity appraisal of surficial lens of freshwater aquifer along Lagos coastal belt, South West, Nigeria MA Yusuf, TA Abiye, KO Ibrahim, HO Abubakar Heliyon 7 (10) , 2021 2021.0 Citations: 34
Origin and residence time of shallow groundwater resources in Lagos coastal basin, south-west Nigeria: an isotopic approach. MA Yusuf, TA Abiye, MJ Butler, KO and Ibrahim Elsevier Journal of Heliyon 4 (11), e00932 , 2018 2018.0 Citations: 32
Cervical spine MRI findings in patients presenting with neck pain and radiculopathy Z Mustapha, M Okedayo, K Ibrahim, A Abba Ali, MS Ahmadu, A Abubakar, ... Int Res J Basic Clin Stud 2 (2), 20-6 , 2014 2014.0 Citations: 21
Delineation of aquifer promising zones and protective capacity for regional groundwater development and sustainability. SN Appl Sci 5: 149 JO Alao, MA Yusuf, MS Nur, AM Nuruddeen, MS Ahmad, E Jaiyeoba 2023.0 Citations: 18
Vulnerability assessment of shallow aquifer hand-dug wells in rural parts of Northcentral Nigeria using AVI and GOD methods IK Olojoku, G Modreck, OS Adeyinka, YM Adebayo The Pacific Journal of Science and Technology 18 (1), 325-333 , 2017 2017.0 Citations: 16
Delineation of aquifer storage potential in response to regional groundwater development JO Alao, HA Lawal, M Abdulsalami, F Abubakar, OO Abduwahab, ... Discover Water 4 (1), 25 , 2024 2024.0 Citations: 14
Application of environmental isotopes in sustainability assessment of the groundwater resources of Lagos Coastal Basin (LCB), south-west, Nigeria MA Yusuf, TA Abiye, MJ Butler, KO Ibrahim Groundwater for Sustainable Development 16, 100721 , 2022 2022.0 Citations: 11
Delineation of aquifer storage potential in response to regional groundwater development. Discov Water. 2024; 4: 25 JO Alao, HA Lawal, M Abdulsalami, AOO Abubakar, ET Mary, MA Yusuf Citations: 11
Assessment of saltwater–freshwater interactions using water samples and borehole logging information in the Lagos coastal region, Nigeria MA Yusuf, TA Abiye, KO Ibrahim, BA Ojulari Environmental Earth Sciences 80 (19), 679 , 2021 2021.0 Citations: 9
Origin and residence time of shallow groundwater resources in Lagos coastal basin, south-west Nigeria: An isotopic approach, Heliyon, 4, e00932 MA Yusuf, TA Abiye, MJ Butler, KO Ibrahim 2018.0 Citations: 8
Application of Integrated Methods to Assess and Characterise the Hydrogeology of Coastal Aquifers in Parts of Lagos, Southwest, Nigeria MA Yusuf PQDT-Global , 2020 2020.0 Citations: 6
Environmental assessment of heavy metal pollution around industrial area in Southwestern, Nigeria KO Ibrahim, MM Orosun, MW Purchase, MA Yusuf Journal of Sustainable Natural Resources 5 (1), 40-51 , 2024 2024.0 Citations: 5
Preliminary Health Risk Assessment of Water from Asa River, Ilorin, North-Central Nigeria OA Omotoso, OJ Ojo, OO Ige, KO Ibrahim, MA Yusuf, AA Olasehinde, ... LAUTECH Journal of Civil and Environmental Studies 6 (1), 46-69 , 2021 2021.0 Citations: 3
Hydrogeochemical characterization of surface water around canal and lagoon in parts of Lagos, southwestern, Nigeria. BRBIKO Yusuf M. A. Science Focus 19 (2), 119-128 , 2014 2014.0 Citations: 3
An approach for assessment of building failures in a part of Ilorin, Nigeria KO Ibrahim, A Ahmed, SA Oke, MA Yusuf, HB Olawumi, AK Oniyangi All Earth 36 (1), 1-13 , 2024 2024.0 Citations: 2
A new method for estimating hydraulic conductivity in un-screened concrete-lined large-diameter hand-dug wells KO Ibrahim, M Gomo, SA Oke, MA Yusuf Groundwater for Sustainable Development 11, 100443 , 2020 2020.0 Citations: 2
Stable isotopes and hydrochemical characterisation of groundwater in the crystalline aquifers of Ilorin, Nigeria WO Raji, MA Yusuf, TA Abiye, JA Aladejana, TF Assa-sadique, ... Applied Water Science , 2026 2026.0
