Natural radioactivity-based radiological hazards in soils of the islands: a case study from Eastern Turkey

Author:

Oto Berna1,Yıldız Nergiz2,Şeremet Mehmet3

Affiliation:

1. Department of Marine Engineering, Faculty of Maritime , Yuzuncu Yil University , 65080 Van , Turkey

2. Department of Physics, Faculty of Science , Yuzuncu Yil University , 65080 Van , Turkey

3. Department of Maritime Transportation and Management Engineering , Yuzuncu Yil University , 65080 Van , Turkey

Abstract

Abstract A comprehensive work was carried out to investigate natural radionuclides of 238U, 232Th and 40K in 73 soil samples collected from islands of Adır, Çarpanak and Akdamar on the Van Lake (Turkey) located at Eastern Turkey. Radioactivity concentrations of these radionuclides were measured by using a gamma spectrometer with NaI(Tl) detector to be from 4.11 to 77.1 Bq/kg, from 6.0 to 70.0 Bq/kg and from 133.05 to 749.77 Bq/kg with the mean values of 33.33 Bq/kg, 36.68 Bq/kg and 478.19 Bq/kg, respectively. In addition, the absorbed gamma dose rate in air (D) and annual effective dose equivalent (AED) were found to be 57.5 nGy/h and 70.5 μSv/year, respectively. We have shown that our results might be related to the geological formation type. The results were compared with some published ones in Turkey and the World, which were found within acceptable limits.

Publisher

Walter de Gruyter GmbH

Subject

Physical and Theoretical Chemistry

Reference35 articles.

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