Conveners
Environmental Measurements
- Mojisola Usikalu ()
Environmental Measurements
- Michael Adeleye (Bingham University, Nigeria)
Environmental measurement is essential for evaluating environmental quality, detecting contamination, and protecting human health. Increasing industrial, agricultural, and urban activities have led to the release of chemical and radiological pollutants into environmental systems. Accurate measurement of these parameters is therefore critical for monitoring environmental media such as air,...
Radon (Rn-222) is a radioactive gas that originates from uranium (U-238) and is ranked as a major source of natural ionising radiation and identified among the leading causes of lung cancer. It is therefore essential for its occurrence and concentration levels present in the environment to be well understood, quantified and assessed. This study characterised indoor radon levels regionally in...
Monitoring natural radionuclides in the environment is important for establishing baseline radioactivity levels that support the evaluation of public exposure. The study presents baseline environmental radioactivity levels measured in collected soil, external gamma, water and indoor radon samples to assess resultant public doses through external, inhalation and ingestion exposure pathways....
The long-term management of contaminated forest landscapes depends not only on declining environmental inventories of radiocesium (137Cs), but also on how this radionuclide is retained within commercially important tree species. Japanese cedar (Cryptomeria japonica), which underpins much of Japan’s plantation forestry, exhibits an unusual internal distribution of 137Cs within wood (stem),...
The extraction and transport of natural gas leads to the accumulation of black powder, a hazardous byproduct composed of corrosion species, microorganisms and Naturally Occurring Radioactive Materials (NORM) within gas pipelines. These NORM contaminants tend to concentrate within dust filters and during periodic 'pigging' operations, posing a potential radiological threat to workers and the...
The emission of high-energy bremsstrahlung photons beyond the expected critical energy during electron cyclotron resonance (ECR) heating has attracted significant attention, and its underlying mechanism remains not fully understood. In this study, we measured the azimuthal angular distribution of bremsstrahlung photons produced in a 28 GHz ECR ion source at the Busan Center of the Korea Basic...
A brief overview will be given of ongoing research directions at Laboratoire de Physique Corpusculaire de Caen related to environmental radiation measurements and the development of innovative portable low-cost detector systems for environmental monitoring applications. Possible avenues for future collaboration between the South African and French teams in this field will also be discussed.
