About

Dr. GB Hagan is a Senior Lecturer in the Department of Physics at the University of Ghana. His research focuses on groundwater quality assessment, flow simulation, and optimisation; contaminant transport and remediation; and the impact of climate change/variability on groundwater resources.

Dr. Hagan is passionate about nurturing strong character and moral rectitude hinged primarily on integrity in his students as future leaders. He firmly believes that the Ghanaian society is in dire need of professionals with indubitable integrity to salvage it from the strangling grips of corruption. He seizes the opportunity as a lecturer to instill in his students the elegantly moving motto of the University of Ghana: "Integri Procedamus" to wit, "proceed in integrity" in nurturing them to become consummate scientists who are also ethically trustworthy. He challenges himself to embrace a Christian work ethic rooted in diligence, excellence, and integrity, honouring God in every aspect of his vocation.

Education

• Ph.D. (Physics), University of Ghana
• M.Phil. (Physics), University of Ghana
• B.Sc. (Physics & Computer Science), University of Ghana 

Research Interest

• Groundwater flow simulation and optimisation.
• Contaminant transport and remediation.
• Climate change/variability and its impact on groundwater resources.

ONGOING RESEARCH/PROJECTS
1. Characterisation of the hydraulic conductivities of the terrains within the following municipalities in the Greater Accra Region of Ghana:

•  Adentan
•  La-Nkwantanang-Madina
•  Ga East

2. Development of a robust groundwater flow model, under transient conditions for the simulation of any effects of climate change/variability for the Adentan, La-Nkwantanang-Madina, and Ga East municipalities.

3. Development of groundwater flow and transport models, under steady-state conditions for the Ga West and Shai Osudoku municipalities.

MAJOR RESEARCH/PROJECTS UNDERTAKEN

1. Assessed the groundwater quality in peri-urban Accra and the implications for drinking and irrigation purposes.

2. Delineated hydrostratigraphic units and developed groundwater flow and transport models for the following municipalities within the Greater Accra Region of Ghana:

•   Adentan
•   La-Nkwantanang-Madina
•   Ga East

3. Delineated the hydrostratigraphic units for the following municipalities within the Greater Accra Region of Ghana:

•   Ga West
•   Shai Osudoku

Publications

• Forson, E. D., Amponsah, P. O., Hagan, G. B., & Sapah, M. S. (2022). Frequency ratio-based flood vulnerability modeling over the Greater Accra Region of Ghana. Modeling Earth Systems and Environment. https://doi.org/10.1007/s40-808-022-01616-y 
• Annan, E., Amusah, D., Hagan, G. B., & Appiah, A. N. S. (2022). Isotherm and thermodynamic studies of arsenic adsorption from water using laterite. Science and Development, 6(1): 27-40. https://journals.ug.edu.gh?index.php/sdj/issue/view/169
• Hagan, G. B., Minkah, R., Yiran, G. A. B., & Dankyi, E. (2022). Assessing groundwater quality in peri-urban Accra, Ghana: Implication for drinking and irrigation purposes. Groundwater for Sustainable Development.
• Forson, E. D., Wemegah, D. D., Hagan, G. B., Appiah, D., Addo-Wuver, F., Adjovu, I., Osae, F. O., Mateso, S., Menyeh, A., & Amponsah, T. (2022). Data-driven multi-index overlay gold propectivity mapping using geophysical and remote sensing datasets. Journal of African Earth Sciences, 190 (2022) 104504  
• Hagan, G. B., & Darko, E., Stochastic analysis of the groundwater velocity field and implications for contaminant transport within the Ga East and Adentan municipalities, Ghana. Journal of African Earth Sciences (2020), doi: 10.1016/j.afrearsci.2020.103929
•  Hagan, G. B., Darko, E., Yidana, S. M., Amuzu, J. K. A., & Kakane, V. C. K. (2018). Impact of increasing abstraction on groundwater sustainability within the Ga East and Adentan Municipalities, Ghana. Science and Development, 2(2): 38-53.
• Hagan, G. B., Ofosu, F. G., Hayford, E. K., Osae, E. K., & Oduro-Afriyie, K. (2011). Heavy Metal Contamination and Physico-Chemical Assessment of the Densu Basin in Ghana. Research Journal of Environmental and Earth Sciences, 3(4): 385-392.