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Parial, Kajori
- Measurement of Environmental External Gamma Radiation Dose Rate Outside the Dwellings of Southern Coastal Odisha, Eastern India
Abstract Views :185 |
PDF Views:85
Authors
Affiliations
1 Department of Geology and Geophysics, Indian Institute of Technology, Kharagpur 721 302, IN
2 Research Reactor Institute, Kyoto University, Kumatori-cho, Sennan-gun, Osaka 590-04, JP
1 Department of Geology and Geophysics, Indian Institute of Technology, Kharagpur 721 302, IN
2 Research Reactor Institute, Kyoto University, Kumatori-cho, Sennan-gun, Osaka 590-04, JP
Source
Current Science, Vol 109, No 3 (2015), Pagination: 600-603Abstract
External gamma dose rate measurement using thermoluminescent dosimeter has been performed along the southern coast of Odisha, eastern India. A total of nine villages from the three sectors, viz. Gopalpur, Chhatrapur and Rushikulya have been selected for the study. The average external gamma dose to people residing in the three sectors is 3.77, 4.47 and 3.57 mSv year-1 respectively, which is ~3-4 times the international limit of 1 mSv year-1. These values are high compared to other high background radiation areas like Tamil Nadu along the east coast of India, but are comparable to the high radiation areas in Kerala, along the west coast of India.Keywords
Coastal Dwellings, Eastern Indian Beach Placer, External Gamma Dose, Natural Radioactive Hazard, Thermoluminescent Dosimeter.Full Text
- A GIS-Based Approach for Radiation Risk Assessment Around a Thermal Power Plant Towards Adopting Remedial Measures
Abstract Views :252 |
PDF Views:95
Authors
Affiliations
1 Department of Geology and Geophysics, Indian Institute of Technology-Kharagpur, Kharagpur 721 302, IN
2 Department of Science and Technology and Biotechnology, Government of West Bengal, Kolkata 700 091, IN
1 Department of Geology and Geophysics, Indian Institute of Technology-Kharagpur, Kharagpur 721 302, IN
2 Department of Science and Technology and Biotechnology, Government of West Bengal, Kolkata 700 091, IN
Source
Current Science, Vol 116, No 10 (2019), Pagination: 1683-1689Abstract
Coal combustion in thermal power plants releases ash, which is reported to cause adverse health hazards in humans and other organisms. Owing to the presence of radionuclides, it is also considered as a potential radiation hazard. In this study, based on the surface radiation measurements and relevant ancillary data, expected radiation risk zones were identified with regard to human population residing near a thermal power plant using GIS. With population density as the vulnerability determining criterion, about 20% of the study area was in the ‘high’ risk zone and another 20% in the ‘low’ risk zone. The remaining 60% was under ‘medium’ risk zone. Based on the findings of this study, greenbelt locations have been proposed as a remedial measure.Keywords
Geographic Information System, Radiation Risk Analysis, Remedial Measures, Surface Radiation, Thermal Power Plant.Full Text
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