On the radiological assessment of natural and fallout radioactivity in a natural high background radiation area at Odisha, India

被引：7
|
作者：
Mohapatra, S. [1 ]
Sahoo, S. K. [1 ]
Dubey, J. S. [1 ]
Patra, A. C. [1 ]
Thakur, V. K. [1 ]
Tripathy, S. K. [1 ]
Vidyasagar, D. [1 ]
Godbole, S. V. [2 ]
Ravi, P. M. [1 ]
Tripathi, R. M. [1 ]
机构：
[1] Bhabha Atom Res Ctr, Div Hlth Phys, Bombay 400085, Maharashtra, India
[2] Bhabha Atom Res Ctr, Radiochem Div, Bombay 400085, Maharashtra, India
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2015年 / 303卷 / 03期
关键词：
Natural radioactivity; Fallout radioactivity; Gamma ray spectrometry; NHBRA; Soil sample; BEACH PLACER DEPOSIT; SURFACE SOIL; EASTERN INDIA; DOSE-RATES; CS-137; REGION; RADIONUCLIDES; ORISSA; SAMPLES; COAST;
D O I：
10.1007/s10967-014-3814-6
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Natural and fallout radioactivity were estimated in surface soil samples collected around a natural high background radiation area (NHBRA) at Odisha, India using high resolution gamma ray spectrometry. Radiological characterization of the surface soil samples was done by the estimation of radiation hazard indices e.g. external absorbed gamma dose rate (D), radium equivalent activity (Ra (eq)) and activity concentration index (I). The estimated total absorbed gamma dose rate ranged between 46.2 and 964.2 nGy/h with an average of 341.4 nGy/h, higher than the global average of 58 nGy/h but compared with the other reported NHBRA in India and worldwide.
引用
收藏
页码：2081 / 2092
页数：12
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