Distribution of naturally occurring radionuclides and gamma dose rate assessment in the soils of high background natural radiation area Odisha, India

Author:

Veerasamy Nimelan12ORCID,Sahoo Sarata K3ORCID,Natarajan Thennaarassan23,Inoue Kazumasa2,Fukushi Masahiro2,Ramola Rakesh C4ORCID

Affiliation:

1. Institute for Environmental Sciences Tritium Research Center, , Aomori 039-3121, Japan

2. Tokyo Metropolitan University Department of Radiological Sciences, , Arakawa-ku, Tokyo 116-8551, Japan

3. Institute for Radiological Science, National Institutes for Quantum Science and Technology (QST) , 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan

4. H.N.B. Garhwal University Department of Physics, , Tehri Garhwal, Uttarakhand 249 199, India

Abstract

Abstract A study on the activity concentration of primordial radionuclides 226Ra, 232Th and 40K was carried out on the surface soil samples collected from the coastal villages between Chhatrapur and Gopalpur regions of high background natural radiation area Odisha, India, using high purity germanium gamma spectroscopy. The mean activity concentrations of 226Ra, 232Th and 40K were found to be 231, 1692 and 250 Bq/kg, respectively. The total mean absorbed dose owing to the presence of 226Ra, 232Th and 40K was 1139 nGy/h. The mean annual effective dose was found to be 1397 μSv/y and higher than the UNSCEAR average value 70 μSv/y.

Funder

Japan Society for Promotion of Science

Institut Pluridisciplinaire Hubert Curien UMR 7178 CNRS/Strasbourg University

Publisher

Oxford University Press (OUP)

Subject

Public Health, Environmental and Occupational Health,Radiology, Nuclear Medicine and imaging,General Medicine,Radiation,Radiological and Ultrasound Technology

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