AE African Expert Database
Welday Gebrehiwot Tadewos
Expert Profile

Welday Gebrehiwot Tadewos

Hydrogeologist | Applied Geology Lecturer & Researcher
📍 Department of Geology, Aksum University, Aksum, Ethiopia
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Open to Collaboration

Professional Summary

Ethiopian hydrogeologist, applied geologist, lecturer, and researcher based at the Department of Geology, Aksum University. He has more than eleven years of academic and research experience, including teaching undergraduate courses in engineering geology, stratigraphy and earth history, general geology, industrial minerals and rocks, hydrogeology, groundwater exploration, and groundwater resource management. His MSc research focused on delineating suitable zones for artificial groundwater recharge in the Alamata sub-basin, Raya Valley, Northern Ethiopia. His professional work combines hydrogeology, GIS and remote sensing, groundwater potential assessment, groundwater quality assessment, aquifer vulnerability, hydrogeophysics, environmental geology, engineering geology, geological hazards, and sustainable water-resource management in Ethiopia.

Key Expertise

Hydrogeology Applied Geology Groundwater Exploration Groundwater Resource Management Groundwater Recharge Assessment Artificial Recharge Site Suitability Mapping Groundwater Potential Zonation GIS Remote Sensing Spatial Modelling Multi-Criteria Decision Analysis Analytical Hierarchy Process Aquifer Vulnerability Assessment Contamination Pathway Assessment Groundwater Quality Assessment Water Quality Index Hydrogeophysics Electrical Resistivity Integrated Geophysical-Hydrogeological Approaches Isotope Hydrology Groundwater Flow Groundwater Modelling Aquifer Monitoring Pump Selection Well Drilling and Construction Surface Hydrology Water Resources Policies Mining-Induced Water Contamination Artisanal and Small-Scale Mining Impacts Environmental Impact Assessment Engineering Geology Geotechnical Evaluation Structural Geology Geological Hazard Assessment Geomorphology Geochemistry Environmental Management Sustainable Water Resources Management Research Supervision Academic Teaching ArcGIS Surfer CorelDraw IPI2win Global Mapper Google Earth Geostudio ENVI SPSS R Python

Major Projects and Contributions

  • Lecturer and Researcher – Aksum University and Woldia University
    Teaches undergraduate courses in engineering geology, stratigraphy and earth history, general geology, industrial minerals and rocks, basic principles of hydrogeology, groundwater exploration, and groundwater resource management. Advises undergraduate students and supports academic and senior research projects.
  • Artificial Groundwater Recharge Site Suitability Mapping – Alamata Sub-Basin
    Conducted MSc research on delineating suitable zones for artificial recharge of groundwater as a water-management option in the Alamata sub-basin, Raya Valley, Northern Ethiopia, using hydrogeological and spatial analysis approaches.
  • Groundwater Potential Zonation using Remote Sensing and Spatial Multi-Criteria Analysis
    Works on groundwater potential zonation using remote sensing, GIS, and spatial multi-criteria analysis to support sustainable groundwater development and planning in semi-arid and drought-prone regions.
  • Groundwater Quality Assessment using Water Quality Index and GIS
    Contributed to a 2025 publication assessing groundwater quality for drinking purposes using Water Quality Index methods in volcanic rock areas of Axum, Northern Ethiopia.
  • Environmental and Socio-Economic Impact Assessment of Artisanal and Small-Scale Mining
    Participated in large-scale interdisciplinary research assessing the socio-economic and environmental impacts of artisanal and small-scale gold mining in Taelay Adyabo, Northwestern Tigray, Ethiopia, with relevance to surface-water and groundwater systems.
  • Engineering Geology and Geotechnical Conservation Research
    Contributed to research on the geotechnical evaluation of rock art sites in Northeastern Tigray, Ethiopia, supporting conservation strategies for fragile geological and cultural heritage sites.
  • Construction Waste and Environmental Sustainability Research
    Contributed to 2025 research on challenges and opportunities in construction waste management in Shire Town, Northern Ethiopia, supporting sustainable environmental management strategies.
  • Hydrogeology, GIS, Remote Sensing, and Research Capacity Development
    Completed and participated in professional training related to remote sensing and GIS, operational research protocol development, SPSS and R statistical software, hydrological modelling and simulation for watershed management, Python programming, scientific paper writing, and mining of development minerals.