Abdulmumin, M. et al. 2026. Spatio-Temporal Mapping and Analysis of Surface-Water Dynamics in Kopa Dam, Niger State, Nigeria, Using Sentinel-2 Level-2A and GIS Techniques. African Journal of Environmental Sciences and Renewable Energy. 23, 1 (Sep. 2026), 310–331. DOI:https://doi.org/10.62154/ajesre.2026.023.01024.