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Natural gamma radiation level detection in agriculture soil after Aila disaster and comparison with deep soil gamma activity in a specific area of Sundarban region, Satkhira, Banglsdesh
Sk.A.K. Arafin Dr. , A. El-Taher, A.K.M. Fazlul Hoque, M. Ashraful Hoque, J. Ferdous, M. Joynal Abedi
Department of Natural Sciences, Faculty of Science and Information Technology, Daffodil International University, Sukrabad, Dhaka-1207, Bangladesh , skak_arafin@daffodilvarsity.edu.bd
Abstract:   (301 Views)
Background: The present work was conducted on some soil samples collected from Shamnagar upazila of Satkhira district of south-west part of world largest mangrove forest Sundarban Rezion, Bangladesh which were affected by natural disaster cyclone Aila. Materials and Methods: The soil samples were analyzed to determine terrestrial γ-ray activity using HPGe γ-ray spectrometry. The measurements conducted in the current study showed that primordial radionuclides namely the 238U and 232Th and 40K are contained in all the soil samples. Results and Discussion: The obtained results of the average activity concentrations of 238U, 232Th and 40K were found to be within the range of the world average of 17-60, 11-64, 140-850 Bq.kg-1 reported by UNSCEAR. The radiation dose is below the permissible limit of 1mSvy-1 recommended by IAEA (2007). No peak of 137Cs from the decay activity was found in the spectrum in the present work. Conclusion: The present work will be useful in providing environmental monitoring data base of those particular areas.
Keywords: Disaster, Aila, health, natural radiation.
Full-Text [PDF 1800 kb]   (49 Downloads)    
Type of Study: Original Research | Subject: Radiation Biology
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International Journal of Radiation Research
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