Onuchukwu, Ejikeme E.

Influence of Gully Erosion on Groundwater Quality in South Eastern Nigeria

Onuchukwu, Ejikeme E., Emeagubor, Andaline O., Anaekwe, Michael U. & Okpoji, Awajiiroijana U · Asian Journal of Environment & Ecology · 2026

Gully erosion is an environmental challenge that can affect groundwater resources in South Eastern Nigeria by increasing sediment transport, enhancing weathering and mobilising dissolved constituents into aquifer systems. This study evaluated its influence on groundwater quality...

Open access Research Article 10.9734/ajee/2026/v25i8992

Physicochemical Characterisation and Assessment of Oxidative Degradation of Lubricating Oils during Engine Service in Rivers State, Nigeria

Omuluche, Collins O., Usiabulu, Godsday I., Okpoji, Awajiiroijana U., Akpan, Nsima A., Edodi, Iyam O., Nwanekwu, Akunna M., Wogu S. N., Eyoka, Rowland J., Garuba, Muhammed H. & Onuchukwu, Ejikeme E. · Asian Journal of Geological Research · 2026

Lubricating oils undergo progressive chemical and physical changes during engine operation, which can reduce their protective performance. This study assessed the physicochemical characteristics and oxidative degradation of lubricating oil during engine service in Rivers State, N...

Open access Research Article 10.9734/ajoger/2026/v9i3303