Dr. William Amponsah

Senior Lecturer

Dept: Agricultural and Biosystems Engineering
Department of Agricultural and Biosystems Engineering,
College of Engineering,
KNUST, Kumasi,
Ghana
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Research Areas/Interests

1. Climate change impacts, mitigation and adaptation 2. Hydrological (extreme  flood) modelling 3. Forensic and statistical hydrometeorology 4. I...~more

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Publications

    PEER-REVIEWED JOURNAL PUBLICATIONS

    1. Annan, E., Amponsah, W., Adjei, K.A., Disse, M., Hounkpe, J., Biney, E., Agbenorhevi, A.E. and Agyare, W.A. (2024). Spatio-temporal Land Use and Land Cover Change Assessment: Insights from the Ouémé River Basin. Scientific African, 25, e02262, https://doi.org/10.1016/j.sciaf.2024.e02262 (Elsevier)
    2. Amankwaa-Yeboah, P., Akoriko, F.A., Amponsah, W., Yeboah, S., Brempong, M.B. and Keteku, A.K. (2023). Combining deficit irrigation and nutrient amendment enhances the water productivity of tomato (Solanum lycopersicum L.) in the tropics. Frontiers in Sustainable Food Systems, 7:1199386,https://doi.org/10.3389/fsufs.2023.1199386 (Frontiers)
    3. Amankwaa-Yeboah, P., Yeboah, S., Malimanga, A. R., Osei, G., Amponsah, W., Laboan, B.M., Adu-Dankwa, E.S., and Dodd, I. C. (2023). Paradigms Shaping the Adoption of Irrigation Technologies in Ghana. In: Saeid Eslamain & Faezeh Eslamain (eds.) Handbook of Irrigation Hydrology and Management: Irrigation Case Studies (1st ed.). Volume 3, Part 4, Chapter 19, pp. 363-388, CRC Press, Boca Raton, https://doi.org/10.1201/9781003353928-25 (Taylor and Francis)
    4. Marra, F., Amponsah, W. and Papalexiou, S.M. (2023). Non-asymptotic Weibull Tails Explain the Statistics of Extreme Daily Precipitation. Advances in Water Resources, 173, 104388, https://doi.org/10.1016/j.advwatres.2023.104388 (Elsevier)
    5. Amponsah, W., Dallan, E., Nikolopoulos, E.I. and Marra, F (2022). Climatic and Altitudinal Controls on Rainfall Extremes and their Temporal Changes in Data-Sparse Tropical Regions. Journal of Hydrology, 612, 128090, https://doi.org/10.1016/j.jhydrol.2022.128090 (Elsevier)
    6. Atta-Darkwa, T., Asare, A., Amponsah, W., Oppong, E.D., Agbeshie, A.A., Budu, M., Larbi, I., Akolgo, G.A. and Quaye, D.N.D. (2022). Performance Evaluation of Infiltration Models under Different Tillage Operations in a Tropical Climate. Scientific African, e01318, https://doi.org/10.1016/j.sciaf.2022.e01318 (Elsevier)
    7. Koné, I., Kouadio, K-K.H., Kouadio, E.N., Agyare, W.A., Owusu-Prempeh, N., Amponsah, W. and Gaiser, T. (2022). Assessment of Soil Fertility Status in Cotton-Based Cropping Systems in Cote d’Ivoire. Frontier in Soil Science, 2:959325, https://doi.org/10.3389/fsoil.2022.959325 (Frontiers)
    8. Amponsah, W., Marra, F., Zoccatelli, D., Marchi, L., Crema, S., Mario Pirastru, M. and Borga, M. (2022). Scale-dependence of Observational and Modelling Uncertainty in Forensic Flash Flood Analysis. Journal of Hydrology, 607, 127502, https://doi.org/10.1016/j.jhydrol.2022.127502 (Elsevier)
    9. Bessah, E., Amponsah, W., Tanu, M., Ansah, S.O., Afrifa, A., Yahaya, B., Wemegah, C.S., Amekudzi, L.K. and Agyare, W.A. (2022). Climatic Zoning of Ghana Using Selected Meteorological Variables for the Period 1976 – 2018. Meteorological Applications, 29(1), e2049, https://doi.org/10.1002/met.2049 (Wiley)
    10. Forkuor, G., Amponsah, W., Oteng-Darko, P. and Osei, G. (2022). Safeguarding Food Security through Large-scale Adoption of Agricultural Production Technologies: The Case of Greenhouse Farming in Ghana. Cleaner Engineering and Technology, 6, 100384, https://doi.org/10.1016/j.clet.2021.100384 (Elsevier)
    11. Koné, I, Agyare, W.A., Gaiser, T., Owusu-Prempeh, N, Kouadio, K-K.H., Kouadio, E.N. and Amponsah, W. (2022). Local Cotton Farmers’ Perceptions of Climate Change Events and Adaptations Strategies in Cotton Basin of Cote d'Ivoire. Journal of Sustainable Development, 15(3), 108-124, https://doi.org/10.5539/jsd.v15n3p108 (Canadian Centre of Science and Education)
    12. Obeng, D.A., Bessah, E., Amponsah, W., Dzisi, E.K. and Agyare, W.A. (2022). Ghana's Railway Transport Services Delivery: A Review. Transport Engineering, 8, 100111, https://doi.org/10.1016/j.treng.2022.100111 (Elsevier)
    13. Tanu, M., Amponsah, W., Yahaya, B., Bessah, E., Ansah, S.O., Wemegah, C.S. and Agyare, W.A. (2021). Evaluation of Global Solar Radiation, Cloudiness Index and Sky View Factor as Potential Indicators of Ghana’s Solar Energy Resource. Scientific African, 14, e01061, https://doi.org/10.1016/j.sciaf.2021.e01061 (Elsevier)
    14. Adekaldu, E., Amponsah, W., Tuffour, H.O., Adu, M.O. and Agyare, W.A. (2021). Response of Chilli Pepper to Different Irrigation Schedules and Mulching Technologies in Semi-Arid Environments. Journal of Agriculture and Food Research, 6, 100222, https://doi.org/10.1016/j.jafr.2021.100222 (Elsevier)
    15. Oteng-Darko, P., Yeboah, S., Agyei Obeng, E., Amponsah, W., Ennin, S.A., Sarpong, F., Owusu Danquah, E., Adomako, J., Acheampong, L.D., Agyeman, K. and Addo-Danso, A. (2020). Simulative Evaluation of the Response of Maize and some Dual-Purpose Legumes to Water and Nutrient Amendments. Agricultural and Food Science Journal of Ghana, 13, 1292– 1310, https://www.ajol.info/index.php/afsjg/article/view/208014 (African Journals Online)
    16. Amponsah W., Marra F., Marchi L., Roux H., Braud I. and Borga M. (2020). Objective Analysis of Envelope Curves for Peak Floods of European and Mediterranean Flash Floods. In: Leal Filho W., Nagy G., Borga M., Chávez Muñoz P., Magnuszewski A. (eds) Climate Change, Hazards and Adaptation Options. Climate Change Management, Chapter 14, pp. 267-276, Springer, Cham https://doi.org/10.1007/978-3-030-37425-9_14 (Springer Nature)
    17. Amponsah, W., Ayral, A., Boudevillain, B., Bouvier, C., Braud, I., Brunet, P., Delrieu, G., Didon-Lescot, J.F.,Gaume, E., Lebouc, L., Marchi, L., Marra, F., Morin, E., Nord, G., Payrastre, O., Zoccatelli, D. and Borga, M. (2018). Integrated High-Resolution Dataset of High-Intensity European and Mediterranean Flash Floods. Earth System Science Data, 10, 1783–1794, https://doi.org/10.5194/essd-10-1783-2018 (Copernicus)
    18. Destro, E., Amponsah, W., Nikolopoulos, E.I., Marchi, L., Marra, F., Zoccatelli, D. and Borga, M. (2018). Coupled Prediction of Flash Flood Response and Debris Flow Occurrence: Application on an Alpine Extreme Flood Event. Journal of Hydrology, 558, 225-237, https://doi.org/10.1016/j.jhydrol.2018.01.021 (Elsevier)
    19. Righini, M., Surian, N., Wohl, E.E., Marchi, L., Comiti, F., Amponsah, W. and Borga, M. (2017). Geomorphic Response to an Extreme Flood in Two Mediterranean Rivers (North-Eastern Sardinia, Italy): Analysis of Controlling Factors. Geomorphology, 290, 184-199, https://doi.org/10.1016/j.geomorph.2017.04.014 (Elsevier)
    20. Amponsah, W., Marchi, L., Zoccatelli, D., Boni, G., Cavalli, M., Comiti, F., Crema, S., Lucía, A. and Borga, M. (2016). Hydrometeorological Characterisation of a Flash Flood Associated with Major Geomorphic Effects: Assessment of Peak Discharge Uncertainties and Analysis of the Runoff Response. Journal of Hydrometeorology, 17 (12), 3063-3077, https://doi.org/10.1175/JHM-D-16-0081.1 (American Meteorological Society)
    21. Rinaldi, M., Amponsah, W., Benvenuti, M., Borga, M., Comiti, F., Vela, A.L., Marchi, L., Nardi, L., Righini, M. and Surian, N. (2016). An Integrated Approach for Investigating Geomorphic Response to an Extreme Flood Event: The Case of the Magra River, Italy. Earth Surface Processes and Landforms, 41, 835–846, https://doi.org/10.1002/esp.3902 (Wiley)
    22. Marchi, L., Cavalli, M., Amponsah, W., Borga, M. and Crema, S. (2016). Upper Limits of Flash Flood Stream Power in Europe. Geomorphology, 272, 68-77, https://doi.org/10.1016/j.geomorph.2015.11.005 (Elsevier)
    23. Surian, N., Righini, M., Lucìa, A., Nardi, L., Amponsah, W., Benvenuti, M., Borga, M., Cavalli, M., Comiti, F., Marchi, L., Rinaldi, M. and Viero, A. (2016): Channel Response to Extreme Floods: Insights on Controlling Factors from Six Mountain Rivers in Northern Apennines, Italy. Geomorphology, 272, 78-91, https://doi.org/10.1016/j.geomorph.2016.02.002 (Elsevier)
    24. Comiti, F., Righini, M., Nardi, L., Lucìa, A., Amponsah, W., Borga, M., Cavalli, M., Marchi, L., Rinaldi, M. and Surian, N. (2016). Channel Widening During Extreme Floods: How to Integrate it Within River Corridor Planning. Hazard and Risk Assessment (Analysis, Evaluation), Conference Proceedings, 13th Congress INTERPRAEVENT 2016, Lucerne, Switzerland, p. 477–486.
    25. Destro, E., Marchi, L., Amponsah, W., Tarolli, P., Crema, S., Zoccatelli, D., Marra, F. and Borga, M. (2016). Hydrological Analysis of the Flash Flood Event of August 2, 2014 in a Small Basin of the Venetian Prealps. Quaderni di Idronomia Montana, 34, 307–316, ISBN: 978-88-97181-48-4
    26. Niedda, M., Amponsah, W., Marchi, L., Zoccatelli, D., Marra, F., Crema, S., Pirastru, M., Marrosu, R. and Borga, M. (2015). The Cyclone Cleopatra of November 18, 2013 in Sardinia, Event Management, Measurement and Modelling. Quaderni di Idronomia Montana, 32/1, 47-58, ISBN 978-88-97181-35-4

     

    CONFERENCE ABSTRACTS

    1. Marchina, C., Amponsah, W., Ylenia, G., Marco, B. and Giulia, Z. (2024). Exploring tracer dynamics at different spatial scales in a pre-Alpine catchment with a temporary stream network. EGU General Assembly 2024, Vienna, Austria, 14–19 Apr 2024, EGU24-12388, https://doi.org/10.5194/egusphere-egu24-12388, 2024.
    2. Amponsah, W., Amankwah-Yeboah, P., and Kemausuor, F. (2024). Towards Food and Energy Securities in Rural Farming Communities in Tropical Regions: The Case of Agrivoltaic Technology Adoption in Ghana. 4th International Conference on Irrigation and Agricultural Development, IRAD 2024, University of Development Studies, Ghana, February 21 – 24, 2024. (Presented).
    3. Nikolopoulos, E.I., Ali, A., Amponsah, W., Anagnostopoulos, G., Aravamudan, A., Gourley, J.J., Maggioni, V., Nasibi, M., Robledo, V., Vergara, H. and Zhang, X. (2024). Advancing Flash Flood Forecasting Capabilities in West Africa with Machine Learning and Satellite Observations. American Meteorological Society 104th Annual Meeting, Baltimore, MD, USA, January 28, – February 1, 2024.
    4. Nasibi, M., Maggioni, V., Dollan, I., Amponsah, W. and Nikolopoulos, E.I. (2024). A Satellite-Based Analysis of Precipitation Temporal Trends and Spatial Patterns in Ghana. American Meteorological Society 104th Annual Meeting, Baltimore, MD, USA, January 28, – February 1, 2024.
    5. Koné, I., Kouadio, K-K.H., Kouadio, E.N., Agyare, W.A., Owusu-Prempeh, N., Amponsah, W. and Gaiser, T. Assessment of soil fertility status in cotton-based cropping systems in Cote d’Ivoire. WASCAL at 10 Alumni Homecoming Conference, KNUST, Kumasi, Ghana, December 9 – 10, 2022 (Attended).
    6. Koné, I., Kouadio, K-K.H., Kouadio, E.N., Agyare, W.A., Owusu-Prempeh, N., Amponsah, W. and Gaiser, T. (2022). Local Cotton Farmers’ Perceptions of Climate Change Events and Adaptations Strategies in Cotton Basin of Cote d'Ivoire. Building Stronger Universities III (BSU III) Project Conference on Climate Change Resilience, Adaptation & Sustainable Rural Transformation, KNUST, Kumasi, Ghana, October 4 – 5, 2022.
    7. Koné, I., Agyare, W.A., Gaiser, T., Owusu-Prempeh, N., Kouadio, K-K.H., Kouadio E.K. and Amponsah, W. (2022).Local Cotton Farmers’ Perceptions of Climate Change Events and Adaptations Strategies in Cotton Basin of Cote d'Ivoire. 5ieme EDITION DES JOURNEE DES SCIENCES GEOLOGIQUES (JSG) sur le thème Contribution des sciences géologiques à l’économie, à l'université Felix Houphouet Boigny, Abidjan, Côte d’Ivoire, March 9 – 10, 2022
    8. Kemausuor, F. and Amponsah, W. (2021). Agrivoltaic Technology in Drylands of West Africa: Strengthening National Innovation Systems for Diffusion and Market Development at the Water-Energy-Food Nexus. 7th Ghana Renewable Energy Fair, Accra International Conference Centre, Accra, Ghana, October 12 – 14, 2021 (Attended).
    9. Amponsah, W., Kemausuor, F., Oteng-Darko, P., Nikolopoulos, E.I., Agbemashie, L., Mahama, A. and Agyare, W.A. (2021). Agrivoltaic Technology in Drylands of West Africa: Strengthening National Innovation Systems for Diffusion and Market Development at the Water-Energy-Food Nexus. 5th African Engineering Conference, Marriot Hotel, Accra, Ghana, October 4 – 8, 2021 (Presented).
    10. Destro, E., Marra, F., Zoccatelli, D., Amponsah, W., Marchi, L. and Borga, M. (2018). Reproducing an extreme flood and associated shallow land sliding with post event observations and a coupled hydrological-geotechnical model. Geophysical Research Abstract, Vol. 20, EGU2018-14016, EGU General Assembly, Vienna, Austria, April 8 – 13, 2018.
    11. Amponsah, W. (2017). Integrated Hydrologic Flood Forecasting System: Flood Control in a Developing City. First Regional Conference and School on Climate Change, Water and Environmental Sanitation for Early Career Scientists Working in Africa, Ghana Academy of Arts and Sciences Auditorium, Accra, Ghana, August 28 – 31, 2017 (Presented).
    12. Scorpio, V., Righini, M., Amponsah, W., Crema, S., Ciccarese, G., Nardi, L., Zoccatelli, D., Borga, M., Cavalli, M., Comiti, F., Corsini, A., Marchi, L., Rinaldi, M. and Surian, N. (2017). Effects of large floods on channel width: recent insights from Italian rivers. Geophysical Research Abstract, Vol. 19, EGU2017-9183, EGU General Assembly, Vienna, Austria, April 23 – 28, 2017.
    13. Amponsah, W. (2016). Observational and modelling uncertainties of flash flood response: An assessment based on the November 2013 event in Sardinia. Symposium of The Fluvial System, Research Institute for Geo-hydrological Protection, National Research Council (CNR-IRPI), Italy, May 20, 2016 (Presented)
    14. Amponsah, W., Righini, M., Wohl, E., Borga, M., Marchi, L., Rathburn, S.L., Surian, N. and Zoccatelli, D. (2016). Geomorphically Effective Energy Expenditure for Quantifying Channel Responses to Extreme Floods. Geophysical Research Abstract, Vol. 18, EGU2016-565, EGU General Assembly, Vienna, Austria, April 13 – 18, 2016 (Poster).
    15. Righini, M., Suriana, N., Wohl, E., Comiti, F., Amponsah, W., Marchi, L. and Borga, M. (2016). Geomorphic response to an extreme flood in two Mediterranean rivers (northeastern Sardinia, Italy): the role of geomorphic and hydraulic controlling factors. Geophysical Research Abstract, Vol. 18, EGU2016-5910, EGU General Assembly, Vienna, Austria, April 13 – 18, 2016.
    16. Amponsah, , Nikolopoulos, E.I., Marchi, L., Dinale, R., Marra, F., Zoccatelli, D. and Borga, M. (2015). Coupled prediction of flash flood response and debris flow occurrence in an alpine basin. Geophysical Research Abstract, Vol. 17, EGU2015-11931, EGU General Assembly, Vienna, Austria, 12 – 17 April, 2015 (Presented).
    17. Borga, M., Marchi, L., Nikolopoulos, E.I., Marra, F., Crema, S., Niedda, M., Pirastru, M. and Amponsah, W. (2014). The flash flood of November 2013 in NE Sardinia (Italy): post-event documentation and modelling approaches. 8th HyMeX International Workshop Abstract, University of Malta, September, 15 – 18, 2014 (Presented).
    18. Marchi, L., Amponsah, W., Borga, M. and Cavalli, M. (2014). Stream power of recent flash floods in Europe: data collection and analysis. IGU Regional Conference, Krakow, Poland, August 18 – 22, 2014.
    19. Amponsah, W. (2014). Analysis of flood response in a basin of northern Apennines: The 25 October 2011 flash flood in the Magra River Basin. Symposium of The Fluvial System, University of Trento, Italy, June 11, 2014 (Presented).
    20. Marchi, L., Cavalli., M., Amponsah, W., Borga, M., Borselli, L., Comiti, F., Crema, S., Mazzali, A., Mondini, A., Saulle, G., Lucía A.V. and Viero, A. (2013). Documentation and analysis of a flash flood in a test catchment (Pogliaschina Creek, eastern Liguria, Italy). Florisa Melone Memorial Conference, Assisi, Italy, October 10 – 11, 2013 (Poster).

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