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David Dotse Wemegah
Department of PhysicsPhysical SciencesSocial Sciences

David Dotse Wemegah

51 Publications14 Research Themes32 Open Access
KNUST Profile
Research Overview & Focus

The researcher's work centers on advancing hydrological studies through innovative methodologies, particularly emphasizing the integration of AI and machine learning in groundwater characterization, forecasting, and analysis. They utilize geophysical tools such as aeromagnetic and electromagnetic datasets, along with remote sensing techniques like spectral time-domain induced polarization, to assess environmental impacts in Ghana's catchments and other regions. The researcher also integrates geophysics with gravity measurements and GIS technologies for comprehensive environmental evaluations. Their focus includes education, especially geography-related studies, addressing both historical and modern contextual influences in Ghana. The research explores broader environmental dynamics, such as coastal and marine interactions, while highlighting the importance of qualitative interpretations and time-domain analyses in understanding hydrological processes.

Faculty Biography

Prof. David Dotse Wemegah is a geophysicist with a research interest in environmental and mineral exploration geophysics. He is currently an Associate Professor at the Department of Physics, KNUST. He obtained his MSc and PhD degrees in Geophysics in 2007 and 2015, respectively, from KNUST and BSc. Degree in Geology and Physics (Combined Major) from the University of Ghana, Legon. Prof. Wemegah’s research field is mainly in applying geophysics in mapping gold mineralisation zones in the greenstone belt, environmental monitoring and geotechnical investigation. He is a member of the Geophysics Research Group in the Department of Physics and an active member of the Ghana Science Association (GSA) and Society For Exploration Geophysicists (SEG).

Key Research Themes (14)
Physical Sciences

Coastal and Marine Dynamics

Physical Sciences

Geochemistry and Geologic Mapping

Social Sciences

Geography Education and Pedagogy

Physical Sciences

Geophysical and Geoelectrical Methods

Physical Sciences

Geophysics and Gravity Measurements

Social Sciences

Global Maritime and Colonial Histories

Physical Sciences

Groundwater and Watershed Analysis

Physical Sciences

Groundwater flow and contamination studies

Physical Sciences

Heavy metals in environment

Physical Sciences

Hydrological Forecasting Using AI

Physical Sciences

Hydrology and Watershed Management Studies

Physical Sciences

Mercury impact and mitigation studies

Physical Sciences

Planetary Science and Exploration

Physical Sciences

Water Quality and Pollution Assessment

Publications (51)

Groundwater potential mapping of the central region using integrated geological and geophysical methods

Open Access
2025DOI: 10.1007/s13201-025-02708-7

Mapping groundwater potential within the Owabi catchment with weighted overlay analysis to support climate smart agriculture in the Ashanti region of Ghana

Open Access
2025DOI: 10.21203/rs.3.rs-7793531/v1

A systematic review of machine learning models for groundwater level prediction

Open Access
2025DOI: 10.1016/j.acags.2025.100303

Shoreline change detection along the eastern coast of Ghana: leveraging GIS and advanced remote sensing techniques

Open Access
2025Coastal and Marine DynamicsDOI: 10.1038/s41598-025-98260-0

Integrating remote sensing and electrical resistivity for assessing coastal dynamics and saltwater intrusion along the eastern coast of Ghana

2025Coastal and Marine DynamicsDOI: 10.1190/nsgp2025-027.1

A systematic review of neural network applications for groundwater level prediction

Open Access
2025Hydrological Forecasting Using AIDOI: 10.1007/s42452-025-06817-5

Investigating soil and groundwater contamination around the Kpone Engineered Landfill site, Ghana, using geoelectrical methods

2025Geophysical and Geoelectrical MethodsDOI: 10.1007/s11600-025-01668-5

Groundwater potential and quality assessment of the Oti Pendjari and Obosum Groups of the Atebubu municipality

Open Access
2025Groundwater and Watershed AnalysisDOI: 10.1007/s13201-025-02465-7

Mapping geological structures in Central Region, Ghana using airborne magnetic and radiometric datasets: Groundwater Implications

Open Access
2025Geophysical and Geoelectrical MethodsDOI: 10.21203/rs.3.rs-6058354/v1

A New Workflow for Estimating Groundwater Recharge in Data-Scarce Environments.

2025Groundwater flow and contamination studiesDOI: 10.22541/au.174239900.05051832/v1

Application of the electrical resistivity tomography (ERT) method in identifying high groundwater potential sites in the Atebubu municipality of Ghana

Open Access
2025Geophysical and Geoelectrical MethodsDOI: 10.1007/s44288-025-00120-x

Rapid groundwater assessments in gneissic settings using transient electromagnetics — Examples from Togo

2024Geophysical and Geoelectrical MethodsDOI: 10.1190/geo2024-0095.1

Review of machine learning algorithms used in groundwater availability studies in Africa: analysis of geological and climate input variables

Open Access
2024Hydrological Forecasting Using AIDOI: 10.1007/s43832-024-00109-6

Integration of Airborne Geophysical Data, and Remote Sensing, in Groundwater Potential Mapping in the Central Region of Ghana.

Open Access
2024Groundwater and Watershed AnalysisDOI: 10.21203/rs.3.rs-5230811/v1

KNUST SEG Geophysics Field Camp: A project to study slavery-related archaeology in West Africa

2024Geography Education and PedagogyDOI: 10.1190/tle43100676.1

GROUNDWATER POTENTIAL MAPPING OF THE CENTRAL REGION USING INTEGRATED GEOLOGICAL AND GEOPHYSICAL METHODS

Open Access
2024Groundwater and Watershed AnalysisDOI: 10.31223/x5ct4m

A Systematic Review of Neural Network Applications for Groundwater Level Prediction

Open Access
2024Hydrological Forecasting Using AIDOI: 10.31223/x5vx1v

Groundwater Exploration Methods in West Africa: A Review.

Open Access
2024Geophysical and Geoelectrical MethodsDOI: 10.31223/x5t399

Using Edge Detection Techniques on Aeromagnetic Data to Delineate Structures Controlling Orogenic Gold Deposits in the Sefwi Greenstone Belt, Ghana

2024Geophysical and Geoelectrical MethodsDOI: 10.17491/jgsi/2024/173936

Issue Information

Open Access
2024DOI: 10.1111/1365-2478.13482

Random forest-based mineral prospectivity modelling over the Southern Kibi–Winneba belt of Ghana using geophysical and remote sensing techniques

2024Geochemistry and Geologic MappingDOI: 10.1177/25726838231225055

A Review of Geological and Climatic Variables in Groundwater Availability Prediction in Africa: Machine Learning Approaches

Open Access
2024Hydrological Forecasting Using AIDOI: 10.31223/x53x3s

A Systematic Review of Machine Learning Algorithms in Groundwater Level Simulations and Forecasting

Open Access
2023Hydrological Forecasting Using AIDOI: 10.31223/x5nt2b

Uncovering hidden histories through a field camp: Geophysical surveys for archaeological investigations of slavery in Ghana

2023Global Maritime and Colonial HistoriesDOI: 10.1190/image2023-3910999.1

Underrepresentation of Local Researchers in Geophysical Studies at the Bosumtwi Impact Crater: Insights from A Systematic Review

Open Access
2023Geochemistry and Geologic MappingDOI: 10.1016/j.sciaf.2023.e01893

Depth‐based correlation analysis between the density of lineaments in the crystalline basement's weathered zones and groundwater occurrences within the Voltaian basin, Ghana

2023Groundwater and Watershed AnalysisDOI: 10.1111/1365-2478.13422

A Systematic Review of Geophysical Studies at the Bosumtwi Impact Crater in Ghana

Open Access
2023Planetary Science and ExplorationDOI: 10.22541/essoar.167397458.87645086/v1

Evaluating Groundwater Quality in the Asante Akyem Central District of Ghana

Open Access
2023Water Quality and Pollution AssessmentDOI: 10.1177/11786302231188270

Human exposure to mercury in the atmosphere and soils in Konongo: an age-old mining centre in the Ashanti Region of Ghana

2022Mercury impact and mitigation studiesDOI: 10.1007/s10653-022-01441-3

Data-Driven Multi-Index Overlay Gold Prospectivity Mapping Using Geophysical and Remote Sensing Datasets

Open Access
2022Geochemistry and Geologic MappingDOI: 10.54985/peeref.2209p5617862

Analysing multi-index overlay and fuzzy logic models for lode-gold prospectivity mapping in the Ahafo gold district – Southwestern Ghana

Open Access
2022Geochemistry and Geologic MappingDOI: 10.1016/j.oregeorev.2022.105059

Groundwater potential characterisation over the Voltaian basin using geophysical, geological, hydrological and topographical datasets

2022Groundwater and Watershed AnalysisDOI: 10.1016/j.jafrearsci.2022.104558

Data-driven multi-index overlay gold prospectivity mapping using geophysical and remote sensing datasets

2022Geochemistry and Geologic MappingDOI: 10.1016/j.jafrearsci.2022.104504

Mapping lithological units, structural lineaments and alteration zones in the Southern Kibi-Winneba belt of Ghana using integrated geophysical and remote sensing datasets

2021Geochemistry and Geologic MappingDOI: 10.1016/j.oregeorev.2021.104271

Mesothermal gold prospectivity mapping of the southern Kibi-Winneba belt of Ghana based on Fuzzy analytical hierarchy process, concentration-area (C-A) fractal model and prediction-area (P-A) plot

2020Geochemistry and Geologic MappingDOI: 10.1016/j.jappgeo.2020.103971

The impact of climate and land-use changes on the hydrological processes of Owabi catchment from SWAT analysis

Open Access
2019Hydrology and Watershed Management StudiesDOI: 10.1016/j.ejrh.2019.100620

Integrated geophysical study of the Subika Gold Deposit in the Sefwi Belt, Ghana

Open Access
2019Geophysical and Geoelectrical MethodsDOI: 10.1080/23312041.2019.1585406

Interpretation of Geological Structures Hosting Potential Gold Deposits in the Konongo Gold Mine Using Airborne Magnetic, Electromagnetic and Radiometric Datasets

Open Access
2019Geochemistry and Geologic MappingDOI: 10.4236/gep.2019.76016

Integrated Geophysical and Geological Mapping of the Lithological and Geological Structures at a Proposed Generator Site

Open Access
2019Geophysical and Geoelectrical MethodsDOI: 10.4236/gep.2019.712005

Integrated geophysical characterisation of Sunyani municipal solid waste disposal site using magnetic gradiometry, magnetic susceptibility survey and electrical resistivity tomography

2018Geophysical and Geoelectrical MethodsDOI: 10.1016/j.jappgeo.2018.02.007

Hydro-Climatic Modelling of an Ungauged Basin in Kumasi, Ghana

Open Access
2018Hydrology and Watershed Management StudiesDOI: 10.5194/hess-2017-729

Assessment of the quality of the Owabi reservoir and its tributaries

Open Access
2018Water Quality and Pollution AssessmentDOI: 10.1080/23311932.2018.1492360

Hydro-Climatic Modelling of an Ungauged Basin in Kumasi, Ghana

Open Access
2017Hydrology and Watershed Management StudiesDOI: 10.5194/hess-2017-421

Distribution and ecological risks of toxic metals in the topsoils in the Kumasi metropolis, Ghana

Open Access
2017Heavy metals in environmentDOI: 10.1080/23311843.2017.1354965

The Use Of Electromagnetic And Electrical Resistivity Methods In Assessing Groundwater Resource Potentials In Adoe, Sunyani, Ghana.

2016Geophysical and Geoelectrical Methods

Spectral time‐domain induced polarisation and magnetic surveying – an efficient tool for characterisation of solid waste deposits in developing countries

2016Geophysical and Geoelectrical MethodsDOI: 10.3997/1873-0604.2016048

Characterization of Beauty Salon Wastewater from Kwame Nkrumah University of Science and Technology, Kumasi, Ghana, and Its Surrounding Communities

Open Access
2016Water Quality and Pollution AssessmentDOI: 10.4137/ehi.s40360

Qualitative Interpretation Of Aerogravity And Aeromagnetic Survey Data Over The South Western Part Of The Volta River Basin Of Ghana

2015Geophysics and Gravity Measurements

Geophysical Interpretation of Possible Gold Mineralization Zones in Kyerano, South-Western Ghana Using Aeromagnetic and Radiometric Datasets

Open Access
2015Geophysical and Geoelectrical MethodsDOI: 10.4236/gep.2015.34008

Time-domain Spectral Induced Polarization and Magnetics for Mapping Municipal Solid Waste Deposits in Ghana

2014Geophysical and Geoelectrical MethodsDOI: 10.3997/2214-4609.20142084

Chemical Analysis of Freshwater Bodies in the Kumasi Metropolis and Its Environs, Ghana

Open Access
2013Water Quality and Pollution Assessment
Academic Metrics
DepartmentDepartment of Physics
Total Publications51
Research Themes14
Open Access Papers32

Department of Physics

Kwame Nkrumah University of Science and Technology

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