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Author

D. Abdullahi

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Review Open access Sep 2026

Spatio-Temporal Mapping and Analysis of Surface-Water Dynamics in Kopa Dam, Niger State, Nigeria, Using Sentinel-2 Level-2A and GIS Techniques

Surface-water extent provides a spatial measure of reservoir condition and supports water-resource monitoring where field observations are limited. This study assessed the spatio-temporal dynamics of surface water in Kopa Dam, Niger State, Nigeria, from January 2022 to January 2026 using Sentinel-2 Level-2A imagery and...

M. Abdulmumin, D. Abdullahi, A. Sunusi et al. · 0 citations
Open access Sep 2026

Satellite-Derived Relative Bathymetry Mapping of Kopa Dam Using Sentinel-2 Level-2A Imagery and GIS Techniques

Satellite-derived bathymetry (SDB) provides a remote-sensing approach for characterizing spatial variations in water depth-related information without requiring complete conventional hydrographic coverage. This study developed a relative satellite-derived bathymetry map of Kopa Dam, Tafa Local Government Area, Niger St...

M. Abdulmumin, A. Sunusi, D. Abdullahi et al. · 0 citations

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