Journal of Radiation Protection and Research

The Korean Association for Radiation Protection (대한방사선방어학회)
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PRIMORDIAL RADIONUCLIDES DISTRIBUTION AND DOSE EVALUATION IN UDAGAMANDALAM REGION OF NILGIRIS IN INDIA

  • Manikandan, N.Muguntha (Department of Physics, Bharathiar University Coimbatore, The Innovative Technology Center for Radiation Safety (iTRS), Hanyang University) ;
  • Selvasekarapandian, S. (Department of Physics, Bharathiar University Coimbatore) ;
  • Sivakumar, R. (Department of Physics, Bharathiar University Coimbatore) ;
  • Meenakshisundaram, V. (Department of Physics, Bharathiar University Coimbatore, The Innovative Technology Center for Radiation Safety (iTRS), Hanyang University) ;
  • Raghunath, V.M. (Indira Gandhi Center for Atomic research (IGCAR))
  • Published : 2001.09.30
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Abstract

The activity concentration of primordial radionuclides i.e., $^{238}U$ series, $^{232}Th$ series and $^{40}K$, in soil samples collected from Udagamandalam environment, have been measured by employing NaI (Tl) Gamma ray Spectrometer. The absorbed gamma dose rate has also been simultaneously measured by using both Environmental Radiation Dosimeter at each soil sampling location (ambient gamma dose) as well as from the gamma dose derived from the activity concentration of the primordial radionuclides. The results of activity concentration of each radio nuclides in soil, absorbed dose rate in air due to soil activity and possible cosmic radiation at each location along with human effective dose equivalent for Udagamandalam environment are presented and discussed.

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