Okpoji, Awajiiroijana U, Ogbaji Henderson O., Hassan Dasuki H., Orji-Azuka Loveth N., Rasheed Habib O., Ohaturuonye Sampson O., Ejeka Joshua C., Okpanachi Clifford B. & Ekwere Ifiok O.·Asian Journal of Physical and Chemical Sciences·2025
Gas flaring continues to be a persistent source of environmental pollution in the Niger Delta, releasing volatile organic compounds (VOCs) that contribute to atmospheric degradation and aquatic contamination. This study assessed the physico-chemical transport of VOCs from gas fla...
Open access
Research Article10.9734/ajopacs/2025/v13i4271
Okpoji, Awajiiroijana U, Etesin, Monday U, Ekwere, Ifiok O, Martins Ndidi P, Okpanachi, Clifford B, Adisa Olakunle J & Okonkwo Chidiebere C·Asian Journal of Chemical Sciences·2025
This study investigated the chemical properties of marine sediments and the distribution of heavy metals in a river estuary in Akwa Ibom State. Sediments were collected from 10 geo-referenced points using a standard steel grab sampler. Physical parameters were analysed with stand...
Open access
Research Article10.9734/ajocs/2025/v15i6402
Groundwater quality deterioration and seawater intrusion have become major environmental concerns in the coastal aquifers of the Niger Delta due to increasing urbanisation, industrial activities, and intensive groundwater abstraction. This study evaluated the hydrochemical evolut...
Open access
Research Article10.9734/ajgr/2026/v9i3438
Groundwater resources in South-Eastern Nigeria are increasingly threatened by accelerated gully erosion, intense seasonal rainfall, rapid urbanisation, and unsustainable land-use practices, all of which increase aquifer susceptibility to contamination. This study assessed groundw...
Open access
Research Article10.9734/ajocs/2026/v16i4464
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 Article10.9734/ajee/2026/v25i8992
Seawater intrusion threatens groundwater availability in the coastal Niger Delta, Nigeria. This study assessed its extent by integrating hydrochemical indices with electrical resistivity techniques. Groundwater samples were collected from eight boreholes along an inland-to-coasta...
Open access
Research Article10.9734/ajacr/2026/v17i3408
Nsikan J. Etukudo, Peter I. Okoye, Ernest K. Nwafor, Godwin E. Inyang, Okpoji, Awajiiroijana U, Ejikeme E. Onuchukwu & Victor P. Olubunmi·Asian Journal of Geological Research·2026
An integrated hydrogeophysical investigation was conducted to delineate coastal aquifer systems and assess groundwater potential in selected coastal communities of the Niger Delta, Nigeria. Ten Vertical Electrical Sounding stations and five Two-Dimensional Electrical Resistivity...
Open access
Research Article10.9734/ajoger/2026/v9i3270
Ekpedeme Asuaiko R., Abia Uwem B., Yunusa Abdulrahman, Omuluche Collins O., Isaac Ukeme O., Okoye Peter I., Okpoji, Awajiiroijana U & Cookey Cookey I.·Journal of Energy Research and Reviews·2026
Crude-oil molecular biomarkers provide reliable geochemical indicators for evaluating petroleum origin, thermal maturity, depositional environment and reservoir correlation. This study investigated the physicochemical characteristics and molecular biomarker composition of crude o...
Open access
Research Article10.9734/jenrr/2026/v18i8530
Osuafor Ogonna O., Okeke Chioma F., Agu Mathew O., Isueken Christian O, Aligwo Michael C., Ohaturuonye Sampson O., Okpoji, Awajiiroijana U, Etesin Monday U. & Ekwere Ifiok O.·Asian Journal of Agricultural and Horticultural Research·2025
Agricultural runoff is a major global non-point source of water contamination, contributing substantially to nutrient enrichment, heavy metal loading, and hydrogeochemical alteration in freshwater systems, particularly in humid tropical regions. This study assessed the influence...
Open access
Research Article10.9734/ajahr/2025/v12i4427