Muyiwa Michael Orosun
- 所属
- Institute of Environmental Radioactivity
Profile
I received my Ph.D. in Physics (Radiation and Health) in 2021 from the Department of Physics, Faculty of Physical Sciences, University Ilorin, Nigeria. Currently, my research is focused on the radiocesium contamination of Fukushima forests and the associated radiation effects on the forest species.
Main Focus of Research
- Study of radionuclides dynamics in Fukushima forest ecosystems post-deposition
- Elucidation of the primary pathways of radiocesium migration in the typical forest ecosystems of Fukushima
- Generation of monitoring data for the development of more accurate models for predicting radiocesium migration dynamics and risk assessment
Fields of Research
Forest radioactivity dynamics, radioecology, risk assessment
Keywords
Naturally occurring radionuclides (NOR), radioecology, Fukushima nuclear accident, forest ecosystems, radiation effects, radiocesium
Research Overview
Motivated by the exemplary expertise showcased during the 2011 Fukushima nuclear disaster, I embarked on an exhilarating research journey in radiation physics, commencing with my MSc in Radiation/Medical Physics at Obafemi Awolowo University. My initial research endeavours involved conducting radiological impact assessments of soil, water, and food crops in industrial areas across Nigeria, laying the groundwork for my subsequent investigations.
My PhD research at the University of Ilorin significantly expanded the scope of my work, focusing on the far-reaching consequences of mining activities on environmental radioactivity. This research unveiled substantial elevations in naturally occurring radionuclides and background ionizing radiation within Nigerian mining locales.
Currently, my research agenda encompasses a multifaceted exploration of the dynamics of radionuclide transport, with a particular emphasis on forest ecosystems. I am also engaged in evaluating environmental radiation doses in both forested and adjacent areas. Notably, my research extends to the difficult-to-return zones established following the TEPCO’s FDNPP accident, facilitating a deeper understanding of the disaster’s enduring impact. Additionally, I am open to conducting collaborative research at sites in Japan and overseas, including locations within Fukushima Prefecture.
A few words
Contaminated with long-lived Fukushima-derived radionuclides, including 137Cs, the Forest poses a persistent risk of human exposure. This is due to the potential for radionuclides to migrate from the forests to adjacent agricultural lands through hydro-geomorphological processes, resulting in crop contamination. Extensive research has shown that the rate of radiocesium release from contaminated forests is influenced by various factors, including initial deposition density, watershed landscape and dynamic distribution of radiocesium within the forest ecosystem, which can change over time due to translocation between and within ecosystem compartments. These factors highlight the complexity of radiocesium behaviour in contaminated forests and the need for ongoing monitoring and research to mitigate potential risks to human health and the environment.
Education
- 1996/09 – 2002/06
Graduated from General Murtala Mohammed College Yola (High School)
- 2002/10 – 2008/12
Graduated from the Department of Physics, School of Pure and Applied Sciences, Federal University of Technology Yola
- 2012/11 – 2016/02
Completed the Master’s program in the Department of Physics, School of Pure and Applied Sciences, Modibbo Adama University of Technology Yola
- 2014/10 – 2016/12
Completed the Master’s program in the Department of Physics, Obafemi Awolowo University Ile-Ife
- 2017/03 – 2021/09
Completed the Doctorate course, Department of Physics, Faculty of Physical Sciences, University Ilorin
Final degree: Ph.D in Physics (Radiation and Health)
Curriculum vitae
- 2012/02 – 2013/03
Graduate Assistant, Department of Physics, School of Pure and Applied Sciences, Modibbo Adama University of Technology Yola
- 2013/03 – 2017/10
Assistant Lecturer/Researcher, Department of Physics, Faculty of Physical Sciences, University Ilorin
- 2017/10 – 2020/10
Lecturer II/Researcher, Department of Physics, Faculty of Physical Sciences, University Ilorin
- 2020/10 – 2023/10
Lecturer I/Researcher, Department of Physics, Faculty of Physical Sciences, University Ilorin
- 2023/10
Senior Lecturer/Researcher, Department of Physics, Faculty of Physical Sciences, University Ilorin
- 2024/08 – Present
Project researcher
Awards
- 2006
University Governing Council’s prize for the Best Student in Academic Performance
- 2007
University Governing Council’s prize for the Best Student in Academic Performance
- 2008
HRH Dr. Alh. Aliyu Mustapha’s prize for the best Graduand in Physics
- 2008
Dean’s prize for the best graduate in the School of Pure and Applied Science
- 2014
Staff Development Award (MSc)
- 2017
Staff Development Award (PhD)
- 2022
TRANSENS Summer School Germany Sponsor Award
- 2022
IUR Young Researcher Travel grant to attend the ICRER2022 conference in Oslo, Norway
- 2022
Top 10 Researchers at the University of Ilorin (SCOPUS SciVal)
- 2023
Top 10 Researchers at the University of Ilorin (SCOPUS SciVal)
- 2023
Best Researcher (Physics), Faculty of Physical Sciences, University of Ilorin
- 2023
Author of one of the top 100 Most Cited Papers in Environmental Research Communication (ISSN: 2515-7620, IF: 2.9, CiteScore: 3.6, ERC) in 2023