Urban environmental noise is insufficiently characterized in many secondary cities in sub-Saharan Africa. This exploratory study characterizes short-duration urban sound recordings from five neighborhoods of Duékoué, Côte d’Ivoire (Kokoman, Antenne, Résidence, Belleville, and Gui...
Open access
Research Article10.9734/psij/2026/v30i6993
Sanda Yusuf Sadau, Ishaya Iliyasu, Atipo Kolawole M., Ojo Emmanuel O., Obonyilo Edache Gabriel, Tine Abimbola Adeniji, Gada Sunday Samson & Oyadiran Wuyi Jonathan·Physical Science International Journal·2026
Petroleum exploration and production can alter the geochemical quality of surrounding soils and water through the introduction and redistribution of potentially toxic metals. This study assessed the degree of heavy-metal pollution and associated ecological risk in soils and water...
Open access
Research Article10.9734/psij/2026/v30i6992
Background: Climate variability can alter air temperature and rainfall characteristics, with important implications for rainfall erosivity and associated soil degradation. However, the relationship between long-term temperature trends and rainfall erosivity remains insufficiently...
Open access
Research Article10.9734/psij/2026/v30i5991
Yaya Dembélé, Souleymane Sanogo, Abdoul Latif Bonkaney, Safiatou Mariko, Navneet Kumar, Bernhard Tischbein & Saidou Madougou·Physical Science International Journal·2026
Aims: The study investigates the operational performance of a utility-scale grid-connected photovoltaic (PV) system operating under hot semi-arid conditions of Mali. Study Design: The analysis was based on key performance indicators: system efficiency, performance ratio (PR), cap...
Open access
Research Article10.9734/psij/2026/v30i5990
Reliable electricity is essential for poultry-house lighting, ventilation, water supply, refrigeration, and incubation, particularly in rural areas with limited or unstable grid access. This study assessed the solar resource at Kassiapleu, near Man in western Côte d’Ivoire, and s...
Open access
Research Article10.9734/psij/2026/v30i5988
Vinci De Dieu Bokoyo Barandja, Thierry Serge Gbembongo, Magloire Bienvenu Pakouzou, Mamoudou Saria, Ramatou Saré, Clautaire Mwebi Ekengoue, Pankaj Kumar, Venant Sorel Chara-Dackou, Christian Kenfack-Sadem, Martial Zoungrana & Issa Zerbo·Physical Science International Journal·2026
Photovoltaic (PV) generators often require module interconnection to achieve target voltage and current, but non-identical modules can introduce electrical mismatch. The use of photovoltaic (PV) installations is becoming increasingly widespread in electricity generation. The perf...
Open access
Research Article10.9734/psij/2026/v30i5989
Total electron content (TEC) varies with solar activity, season, local time, and geomagnetic conditions. This study compares hourly TEC estimates from IRI-2020 and NeQuick2 at BF01, Ouagadougou (12°37′N, 1°51′W), for selected days of recurrent geomagnetic activity during solar cy...
Open access
Research Article10.9734/psij/2026/v30i5987
This research focuses on the application of geophysics in analysing and evaluating reservoir properties from seismic and well data for potential subsurface geological storage and monitoring of emitted CO2. The study area is the Kuro field, Greater Ughelli, Niger Delta, and the ob...
Open access
Research Article10.9734/psij/2026/v30i5985
Phosphonate metal-organic frameworks (MOFs) have emerged as promising alternatives to conventional perfluorosulfonic acid-based proton exchange membranes because of their excellent chemical stability, tunable structures, and efficient proton transport properties. This review exam...
Open access
Research Article10.9734/psij/2026/v30i5984
Yusuf Sadau Sanda, Ishaya Iliyasu, Obonyilo Edache Gabriel, Tine Abimbola Adeniji, Oyadiran Wuyi Jonathan, M. Alpha & Gada Sunday Samson·Physical Science International Journal·2026
Naturally occurring radioactive materials (NORM) in soil constitute an important pathway for human exposure to ionising radiation, particularly in areas affected by petroleum exploration and related environmental disturbance. This study evaluated the activity concentrations of ²²...
Open access
Research Article10.9734/psij/2026/v30i5983
B. Doherty Kemi, Ozoemelam Onyebuchi, Adigun Kafayat Abiodun, Jibril A. Salihu, Labran H. Asibi, Fatima Y. Abdullahi, Yakubu Godwin, Abubakar Tyabo Muhammad, Suleiman Muhammed Abbas, Joshua O. Benjamin & Shuaibu Mohammed Babaminna·Physical Science International Journal·2026
This study assesses the relationship between key meteorological parameters and crop yield in Kano and Sokoto States, north-western Nigeria. Daily meteorological records of rainfall amount, rainfall rate, minimum and maximum temperatures, and relative humidity for 2022 and 2023 we...
Open access
Research Article10.9734/psij/2026/v30i5981
Guebi Daniel Akagbo, Aka Jacques Adon, Yao Tchetche, Nda Amoin Kouadio, Bafétigué Ouattara, Réné Anoumou Tano, Dro Touré Tiémoko, Justin Koffi Kouamé, Sylvain Djédjé Zézé, Yao Kramo, François N’doli Koffi & François-Xavier Djézia Bella Bouo·Physical Science International Journal·2026
Tropospheric formaldehyde (HCHO) is a short-lived oxidation product of methane and non-methane volatile organic compounds and is widely used as a satellite indicator of VOC oxidation. In single-year satellite records, HCHO and meteorological variables may covary because both foll...
Open access
Research Article10.9734/psij/2026/v30i5982
Saviour Ekiko, Aniedi E. Nyong, Mboso I. Obodom, Kufre E. Essien, Ibagha Isaac, Joachim J. Awaka-Ama, Godwin Udo, Clement Obadimu, Joshua Felix & Joseph Alexander·Physical Science International Journal·2026
The inhibition of the corrosion of mild steel was studied via the weight loss method over a period of 30 days in an acidic medium formed by 1.0 M HCl and also through potentiodynamic polarization (PDP) and electrochemical impedance spectroscopy (EIS). In the weight loss approach,...
Open access
Research Article10.9734/psij/2026/v30i5980
This study assessed spatiotemporal temperature trends and machine-learning-based temperature prediction across the coastal rainforest zone of Nigeria. Monthly and annual temperature data for Calabar, Yenagoa, Benin City and Ikeja were obtained from the NASA POWER database for the...
Open access
Research Article10.9734/psij/2026/v30i5978
In this study, the electronic architecture and magnetic phenomena of iron-doped molybdenum diselenide (MoSe2) monolayers are systematically investigated using first-principles density functional theory (DFT). Employing the Quantum ESPRESSO computational package with GGA-PBE funct...
Open access
Research Article10.9734/psij/2026/v30i5979