Prof. Leonard Kofitse Amekudzi

Professor

Dept: Meteorology and Climate Science
Department of Physics, KNUST
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Research Areas/Interests

Key Research Areas: Atmospheric Physics, Tropical Meteorology, Climate Science and Data Science Satellite Remote Sensing: remote sensing of traces ga...~more

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Publications

    1. Aryee, J. N. A., Amekudzi, L. K., andYamba, E. I. (2021). Low-level clouddevelopment and diurnal cycle insouthern West Africa during theDACCIWA field campaign: Case study of Kumasi supersite, Ghana. Journal of Geophysical Research: Atmospheres,126, e2020JD034028. https://doi. org/10.1029/2020JD03402
    2. Osei M.A., Amekudzi L. K., Omari-Sasu A. Y., Yamba E. I., Quansah E., Aryee J. N.A., Preko K., (2021) Estimation of the return periods of maxima rainfall and floods at the Pra River Catchment, Ghana, West Africa using the Gumbel extreme value theory,Heliyon,7, 5, https://doi.org/10.1016/j.heliyon.2021.e06980.
    3. Osei M.A., Amekudzi L. K., and Quansah E. (2021) Characterisation of wet and dry spells and associated atmosphericdynamics at the Pra River catchment of Ghana, West Africa, Journal of Hydrology: Regional Studies 34 (2021) 100801
    4. Atiah W. A., G. Mengistu Tsidu and L. K. Amekudzi (2020) Investigating the merits of gauge and satellite rainfall data at local scales in Ghana, West Africa, Weather and Climate Extremes, 100292
    5. Nyatuame M, L. K. Amekudzi, and S. K. Agodzo (2020) Assessing the land use/land cover and climate change impact on water balance on Tordzie watershed, J. Remote Sens App Society and Environment, 20(2020), 100381, doi.org/10.1016/j.rsase.2020.100381
    6. Osei M.A., L.K. Amekudzi, C. R. Ferguson, and S. K. Danuor (2020) Inter-Comparison of AIRS Temperature and Relative Humidity Profile with AMMA and DACCIWA Radiosonde Observations over West Africa, Remote Sens., 12, 2631; DOI:10.3390/rs12162631
    7. Nyamekye C., Schönbrodt-Stitt S., Amekudzi L.K., Zoungrana B.J-B., and Thiel M. (2020) Usage of MODIS NDVI to evaluate the effect of soil and water conservation measures on vegetation in Burkina Faso. Land Degrad Dev. 2020;1–13. https://doi.org/10.1002/ldr.3654.
    8. Wemegah C.S., E.I. Yamba, J.N.A. Aryee, F. Sam, and L.K. Amekudzi (2020) Assessment of Urban Heat Island Warming in the Greater Accra Region, Scienti?c African, DIO: 10.1016/j.sciaf.2020.e00426 
    9. Atiah W. A., L.K. Amekudzi, Aryee J. N. A, K. Preko and S. K. Danuor (2020) Validation of Satellite and Merged rainfall data over Ghana, West Africa, MDPI Atmosphere 11, 859; doi:10.3390/atmos11080859.
    10. Atiah W. A., G. Mengistu Tsidu, L. K. Amekudzi, and C. Yorke (2020) Trends and Interannual variability of extreme rainfall indices over Ghana, West Africa, Journal of Theoretical and Applied Climatology, DIO:10.1007/s00704-020-03114-6
    11. Maranan M., A. H. Fink, P. Knippertz, L.K. Amekudzi W. A. Atiah and M. Stengel (2020) A process-based validation of GPM IMERG and its sources using a mesoscale rain gauge network in the West African forest zone, Journal of Hydrometeorology, DIO:10.1175/JHM-D-19-0257.1
    12. Yamba E. I., A. M. Tompkins, A. H. Fink, V. Ermert, M.D. Amelie, L. K. Amekudzi and O. J. T. Briët (2020), Monthly Entomological Inoculation Rate data for studying the seasonality of malaria transmission in Africa, MDPI Data, DIO:10.1594/PANGAEA.89268
    13. N.A. Aryee, L.K. Amekudzi, K. Preko, W. A. Atiah, and S. K. Danuor, (2019) Estimation of planetary boundary layer height from radiosonde profiles over West Africa during the AMMA field campaign: Intercomparison of different methods, Scientific Africa 7 (2020) e00228.
    14. Osei M. A., L. K. Amekudzi, D. D. Wemegah, K. Preko, E. S. Gyawu and K. Obiri-Danso, (2019), The impact of climate and land-use changes on the hydrological processes of Owabi catchment from SWAT analysis, Journal of Hydrology: Regional Studies, 25 (2019), 100620
    15. Atiah, W.A., Amekudzi, L.K., Quansah, E. and Preko, K. (2019) The Spatio-Temporal Variability of Rainfall over the Agro-Ecological Zones of Ghana. Atmospheric and Climate Sciences , 9, 527-544. https://doi.org/10.4236/acs.2019.93034
    16. J. Asilevi, E. Quansah, L. K. Amekudzi, T. Annor, N. A. Browne Klutse, (2019), Modeling the spatial distribution of Global Solar Radiation (GSR) over Ghana using the Angstrom-Prescott sunshine duration model, Scientific Africa, 4 (2019) e00094.
    17. Aryee, J. N. A., Amekudzi L. K., Atiah W., Osei, M., and Agyapong E. (2018). Overview of surface to near-surface atmospheric profiles over selected domain during the QWeCI project. Meteorology and Atmospheric Physics, pages 1–15.Flamant, C., Knippertz, P., Fink, A. H., Akpo, A., Brooks, B., Chiu, C. J., Coe, H., Danuor, S., Evans, M., Jegede, G., Kalthoff N., Konare A., Adler B., Amekudzi L. K., Aryee J. N. A., et. al (2018). The dynamics–aerosol–chemistry–cloud interactions in West Africa field campaign: Overview and research highlights. Bulletin of the American Meteorological Society, 99(1):83–104.
    18. Kalthoff N, F. Lohou, B. Brooks, G. Jegede, B. Adler, K. Babi?, C. Dione, A. Ajao, L.K. Amekudzi, J.N.A Aryee, M. Ayoola, G. Bessardon, S. K Danuor, J. Handwerker, M. Kohler, M. Lothon, X. Pedruzo-Bagazgoitia, V. Smith, L. Sunmonu, A. Wieser, A. H Fink, P. Knippertz (2018), An overview of the diurnal cycle of the atmospheric boundary layer during the West African monsoon season: results from the 2016 observational campaign., Atmospheric Chemistry and Physics, 18(4) 2913-2928
    19. Nyamekye C, M. Thiel, S. Schönbrodt-Stitt, B. J.-B. Zoungrana and L.K. Amekudzi (2018), Soil and Water Conservation in Burkina Faso, West Africa. MDPI Sustainability 2018, 10, 3182
    20. J-B. Zoungrana, C. Conrad, M. Thiel, L. K. Amekudzi, E. Dapola Da, (2018), MODIS NDVI trends and fractional land cover change for improved assessments of vegetation degradation in Burkina Faso, West Africa, J. of Arid Environments, (153) 66–75.
    21. N.A. Aryee, L.K. Amekudzi, E. Quansah, N.A.B. Klutse, W.A. Atiah, and C. Yorke, (2018), Development of high spatial resolution rainfall data for Ghana, Int. J. Climatol., (wileyonlinelibrary.com) DOI: 10.1002/joc.5238
    22. A. Osei, L. K. Amekudzi, D.D. Wemegah, K. Preko, E. S. Gyawu, and K. Obiri-Danso, (2017), Hydro-climatic modeling of Ungauge basin Kumasi, Ghana, Hydrol. Earth Syst. Sci. Discuss., https://doi.org/ 10.5194/hess-2017-421
    23. Baidu M., K. Amekudzi, J.N.A. Aryee and T. Annor, (2017), Assessment of Long-term spatio-temporal rainfall variability over Ghana using Wevelet analysis, MDPI J. Climate 5(2), 30; doi:10.3390/cli5020030
    24. E. O. Asare, and L. K. Amekudzi (2017), Assessing climate driven malaria variability in Ghana using a regional scale dynamical model, J. Climate, 5(1), 20; doi:10.3390/cli5010020
    25. Mattah P.A.D, G. Futagbi, L.K. Amekudzi, M.M. Mattah, D.K. de Souza, W.D. Kartey-Attipoe, L.Bimi, M.D. Wilson. (2017), Diversity in breeding sites and distribution of Anopheles mosquitoes in selected areas in southern Ghana, Journal of Parasites and Vectors, 10:25, DOI 10.1186/s13071-016-1941-3.
    26. E.Quansah, G. Katata, M. Mauder, T. Annor, L. K. Amekudzi, J. Bliefernicht, D. Heinzeller, A. A. Balogun, and H. Kunstmann (2017), Numerical Simulation of Surface Energy and Water Balances over a Semiarid Grassland Ecosystem in the West African Savanna, Advances in Meteorology, doi.org/10.1155/2017/6258180
    27. L. K. Amekudzi, M.A. Osei, W.A. Atiah, J. N.A. Aryee, M.A. Ahiataku, E. Quansah, K. Preko, S.K. Danuor and A. H. Fink. (2016), Validation of TRMM and FEWS satellite rainfall estimates with rain gauge measurement over Ashanti Region, Ghana, Journal of Atmospheric and Climate Sciences, 6(4), 500-518.
    28. E. O. Asare, A. M. Tompkins, L. K. Amekudzi, and V. Ermert (2016), A breeding site model for regional, dynamical malaria simulations evaluated using in situ temporary ponds observations, Journal of Geospatial Health, 11:390, 56 – 66.
    29. C. Mensah, L. K. Amekudzi, N. A. B. Klutse, J. N. A. Aryee, and K. Asare (2016), Comparison of Rainy Season Onset, Cessation and Duration for Ghana from RegCM4 and GMet datasets, Journal of Atmospheric and Climate Sciences, 6, 300 – 309.
    30. Asare E. O., A. M. Tompkins, L.K. Amekudzi, V. Ermert and R. Schuster (2016), Mosquito breeding site water temperature observations and simulations towards improved vector-borne disease models for Africa, Journals of Geospatial Health, 11:391, 67 – 77.
    31. Acheampong A. A., C. Fosu, L.K. Amekudzi, and E. Kaas (2015), Comparison of precipitable water over Ghana using GPS signals and reanalysis products, J. Geod. Sciences, 5, 163-170.
    32. L. K. Amekudzi, E. I. Yamba, K. Preko, E. O. Asare, J. Aryee, M. Baidu, and S. N. A. Codjoe (2015), Variabilities in rainfall onset, cessation and length of rainy season for various agro-ecological zones of Ghana, J. Climate, 3, 416 – 434
    33. J-B. Zoungrana , C. Conrad, L. K. Amekudzi , M. Thiel, E. Dapola Da, G. Forkuor and F. Löw (2015), Multi-Temporal Landsat Images and Ancillary Data for Land Use/Cover Change (LULCC) Detection in the Southwest of Burkina Faso, West Africa, J. Remote Sensing, 7, 12076 – 12102.
    34. J.-B. Zoungrana, C. Conrad, L. K. Amekudzi, M. Thiel and E. Dapola Da (2015), Land use/cover response to rainfall variability: A comparison analysis between NDVI and EVI in the Southwest of Burkina Faso, J. Climate, 3, 63 – 77
    35. Quansah, M. Mauder, A. A. Bologun, L. K. Amekudzi, L. Hingen, J. Biefernicht and H. Kunstmann (2015), Carbon dioxide fluxes from contrasting ecosystems in the contrasting ecosystems in the Sudanian Savanna in West Africa, J. Carbon Balance and Manegement, Dio:10.10.1186/51302-104-0011-4
    36. L. K. Amekudzi, S.N.A. Codjoe, N.A. Sah and M. Appiah (2014), The impact of climate change on malaria in coastal Ghana, Climate change policy brief, International Development Research Centre, Canada. WRENmedia
    37. R. Manzanas, L. K. Amekudzi, K. Preko , S. Herrera and J. M. Gutierrez (2014), Precipitation variability and trend in Ghana: An intercomparison of observational and reanalysis products, J. Climatic Change, 124, 805-819, DOI: 10.1007/s10584-014-1100-9
    38. B. Boadi, K. Preko and L. K. Amekudzi (2014), Implications of soil magnetic susceptibility measurements from the waste site deposit of Independence Hall, Kwame Nkrumah University of Science and Technology (KNUST), Kumasi, International J. of Scientific and Research Publications, Volume 4, Issue 5, ISSN2250-3153
    39. E. Quansah, L.K. Amekudzi, K. Preko, J. Aryee, O. R. Boakye, D. Boli And M. R. Salifu (2014) Empirical models for estimating global solar radiation over the Ashianti Region of Ghana, Journal of Solar Energy, vol. 2014, DOI:10.1155/2014/897970
    40. Quansah E., Amekudzi L. K., and Preko K. (2012). The Influence of Temperature and Relative Humidity on Indoor Ozone Concentrations during the Harmattan. Journal of Emerging Trends in Engineering and Applied Sciences (JETEAS) 3(5): pp. 863-867.
    41. C. K. Tay, L.K. Amekudzi, G. Tagoe (2012), Comparative Study of the Impact of Climate Variability on Prevalence of Urinary Schistosomiasis: Cases at Sunyani Regional Hospital and Among School Children in Atronie, Sunyani, Journal of Environmental Science and Engineering, 5 1474 -1482.
    42. 27.  A. M. Tompkins, D. J. Parker, S. K.  Danour, L. K.  Amekudzi, C. L. Bain, A. Dominguez, M. W. Douglas, A. H. Fink, D. I. F. Grimes, M. Hobby, P. Knippertz, P. J. Lamb, K. J. Nicklin, and C. Yorke (2012), The Ewiem Nimdie Summer School Series in Ghana--Capacity Building in Meteorological Education and Research, Lessons Learned, and Future Prospects, Bulletin of the American Meteorological Society, doi: 10.1175BAMS-D-11-00098.1
    43. Quansah E., Preko, L. K. Amekudzi, 2011. First performance assessment of blends of jatropha, palm oil and soya bean biodiesel with kerosene as fuel for domestic purposes in rural-Ghana. International journal of Energy and environment. Volume 2, Issue 2, pp. 331-336.
    44. L. K Amekudzi, J. Messerschmidt, K. Preko , T. Warneke, and J. Notholt (2010), Ground-based remote sensing of atmospheric trace gases in the tropics using FTIR-spectroscopy, 2, Terrestrial Carbon Observations in Africa and Ecosystem fluxes, pp. 43 – 51.
    45. L. K. Amekudzi, K, Bramstedt, A. Rozanov, H. Bovensmann, and J. P. Burrows (2009), Retrievals of trace gas concentratioins from lunar occultation measurements with SCIAMACHY on ENVISAT. In: A. Steiner, B. Pirscher, U. Foelsche, G. Kirchengast (eds). New Horizon for Occultation Research: Studies in Atmospheric and Climate, Springer-Verlag, Berlin, Heidelberg, Chapter 10, Pp87 – 96, ISBN 978-3-642-00321-9.
    46. K, Bramstedt, K. Amekudzi, A. Rozanov, H. Bovensmann, and J. P. Burrows (2009), SCIAMACHY solar occultation: ozone and NO2 profiles 2002-2007. In: A. Steiner, B. Pirscher, U. Foelsche, G. Kirchengast (eds). New Horizon for Occultation Research: Studies in Atmospheric and Climate, Springer-Verlag, Berlin, Heidelberg, Chapter 9, Pp79 – 86, ISBN 978-3-642-00321-9.
    47. L. K. Amekudzi (2009), Climate Change: How deep is the current understanding in Ghana? In: S. Herath, A. Lim (eds). The Role of Higher Education in Adaptating to Climate Change in Africa, United Nations University (UNU-ISP), Chapter 5, Pp71 – 77.
    48. L. K. Amekudzi, A. Bracher, K. Bramstedt, A. Rozanov, H. Bovensmann and J. P. Burrows (2008), Towards validation of SCIAMACHY lunar occultation NO2 vertical profiles, J. Advances in Space Research, 41, 1921 – 1932.
    49. Kerzenmacher, M. A. Wolff, K. Strong1, E. Dupuy , K. A. Walker1, L. K. Amekudzi , R. L. Batchelor, P. F. Bernath, G. Berthet, T. Blumenstock, C. D. Boone, K. Bramstedt, C. Brogniez , S. Brohede , J. P. Burrows , V. Catoire, J. Dodion, J. R. Drummond, D. G. Dufour , B. Funke1, D. Fussen , F. Goutail, D. W. T. Grif?th, C. S. Haley , F. Hendrick , M. H pfner, N. Huret , N. Jones, J. Kar1, I. Kramer, E. J. Llewellyn, M. Lopez-Puertas , G. Manney, C. T. McElroy, C. A. McLinden, S. Melo, S. Mikuteit, D. Murtagh, F. Nichitiu1 , J. Notholt , C. Nowlan1 , C. Piccolo , J.-P. Pommereau, C. Randall, A. Richter, M. Schneider, O. Schrems, M. Silicani, G. P. Stiller, J. Taylor, C. Tetard, M. Toohey, F. Vanhellemont, T. Warneke, J. M. Zawodny , and J. Zou (2008),  Validation of NO2 and NO from the Atmospheric Chemistry Experiment (ACE), Atmos. Chem. Phys.,8, 5801 – 5841.
    50. L. K. Amekudzi, K, Bramstedt, A. Bracher, A. Rozanov, H. Bovensmann, and J. P. Burrows (2007), Current retrieval and intercomparisons results of SCIAMACHY nighttime NOX, In: Proc. of 1st Atmospheric Science Conference, ESA, SP-636.
    51. L. K. Amekudzi, K. Bramstedt, A. Bracher, A. Rozanov, H. Bovensmann, J. P. Burrows (2007), SCIAMACHY solar and lunar occultation: Validation of ozone and NO2, and NO3 profiles, In: Proc. of the Third Atmospheric Chemistry Validation of ENVISAT (ACVE-3),  ESA SP-642.     
    52. A. Bracher, L. K. Amekudzi, K. Bramstedt, K.-U. Eichmann, A. Rozanov, C. v. Savigny, J. P. Burrows (2007), Global validation of SCIAMACHY O3 and NO2 products from OL3.0 and IUP/IFE retrieval with collocated measurements from satellite sensors HALOE, POAM III and SAGE II, In: Proc. of 1st Atmospheric Science Conference, ESA SP-636.
    53. K. Bramstedt, L. K. Amekudzi, A. Bracher, A. Rozanov, H. Bovensmann, J. P. Burrows (2007), SCIAMACHY solar occultation: ozone and NO2 profiles 2002-2006, In: Proc. of ENVISAT Symposium 2007, ESA SP-636.
    54. Bracher, L. K. Amekudzi, K. Bramstedt K.-U. Eichmann, A. Rozanov, C. von Savigny, J. Steinwagner, J. P. Burrows, Y. Meijer (2007), Comparisons and validation of SCIAMACHY O3 and NO2 profiles from OL3.0 and IUP/IFE retrieval with ACE-FTS, GOMOS, HALOE, MIPAS, POAM III, In: Proc. of the 3rd  Atmospheric Chemistry Validation of ENVISAT (ACVE-3), ESA SP-642. 
    55. L. K. Amekudzi, A. Bracher, H. Bovensmann and J. P. Burrows (2006),  Nighttime NOX from SCIAMACHY lunar occultation measurement, In: 1st Atmospheric Science Conference, ESA SP-628.
    56. L.K. Amekudzi, A. Bracher, J. Meyer, H. Bovensmann and J. P. Burrows (2006), Validation of ozone profiles retrieved from SCIAMACHY lunar occultation measurements, In: 1st Atmospheric Science Conference, ESA SP-628.
    57. L. K. Amekudzi (2006) Stratospheric O3, NO2, and NO3 number density profiles from SCIAMACHY lunar occultation spectroscopic measurements: Retrieval, validation and interpretation, ISBN 3-8325-1131-8, Logos Verlag Berlin.
    58. L. K. Amekudzi, A. Bracher, J. Meyer, A. Rozanov, H. Bovensmann and J. P. Burrows (2005) Lunar occultation with SCIAMACHY: First retrieval results, J. Advances in Space Research, 36(5), 906-914.
    59. L. K. Amekudzi, B-M. Sinnhuber , N. V. Sheode, J. Meyer, A. Rozanov, L. N. Lamsal, H. Bovensmann and J. P. Burrows (2005), Retrieval of stratospheric NO3 vertical profiles from SCIAMACHY lunar occultation measurements over the Antarctic, J. Geophysical Research, 110, D20304. 

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