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Tesfamariam E. Mengesha
Department of Remote Sensing Application Research and Development, Ethiopian Space Science and Technology Institute (ESSTI), Addis Ababa, Ethiopia
Publications
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Research Article
Spatial Morphometric Characterization of Akaki Watershed
Author(s): Tesfamariam E. Mengesha*
Several worldwide DEMs based on satellite data have been released in the last decade. The accuracy of these datasets is frequently uncertain, as it varies from dataset to dataset. The quality of a Digital Elevation Models (DEM) is a key criterion for many applications, and it is influenced by local land cover, terrain slope, and several stages of DEM processing, from collection through resampling interpolation. The primary goal of this research is to assess the quality of the most recent freely available global Multi-Error-Removed Improved Terrain (MERIT) DEM digital elevation models in the Akaki watershed for morphological parameter assessment. The DEMs used in this investigation were created at an original spatial location. It was discovered that the coarse grained DEM has an impact on the portrayal of terrain attributes. When compared to a ground Global Positioning System (GPS) poi.. View more»