Ugwu, O.

Accuracy Assessment of Google Earth Imagery and SRTM DEM for Topographic Mapping: A Case Study of Aba North, Nigeria

Ahuchaogu, U.E, Duru U.U, Ikwuemesi, G.O, Okoroji, A.C, Ugwu, O. & Franklin, E.O · Archives of Current Research International · 2025

Accurate geospatial data is fundamental to reliable decision making for sustainable physical development on earth surface. Improvements in satellite technology have facilitated capturing of geometrically precise images of the earth’s surface. In this study evaluation of the horiz...

Open access Research Article 10.9734/acri/2025/v25i101581

Mapping and Analysis of Hydro-Morphometric Parameters of Otammiri River Basin in Owerri, Imo State, Nigeria Using Geospatial Technique

Ahuchaogu, U.E, Duru U.U, Ikwuemesi, G.O, Okoroji, A.C, Ugwu, O. & Franklin, E.O · Asian Journal of Geographical Research · 2025

Notwithstanding that Otammiri river basin is one of the most important watersheds in Imo State, its hydrology is not well known. Good understanding of a basin drainage system and morphometry is fundamental for watershed management. Therefore, the aim of this study is to investiga...

Open access Research Article 10.9734/ajgr/2025/v8i4321

Suitability Assessment of SRTM and ASTER GDEM2 Digital Elevation Model for Terrain Analysis in Aba North: A Case Study of Abia State Polytechnic Aba

Ahuchaogu, U.E, Duru U.U, Ikwuemesi, G.O, Okoroji, A.C, Ugwu, O. & Franklin, E.O · Asian Journal of Geographical Research · 2025

Accurate geospatial data is fundernental to reliable decision making for sustainable physical development on earth surface. Open-source Digital Elevation Models (DEMs) are imperative to many earths’ surface process analysis therefore it is necessary to subject them to accuracy as...

Open access Research Article 10.9734/ajgr/2025/v8i1252