Natural radioactivity of riverbank sediments of the Maritza and Tundja Rivers in Turkey

Sule Aytas*, Sabriye Yusan, Mahmoud A.A. Aslani, Turgay Karali, D. Alkim Turkozu, Cem Gok, Sema Erenturk, Melis Gokce, K. Firat Oguz

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Araştırma sonucu: ???type-name???Makalebilirkişi

21 Atıf (Scopus)

Özet

This article represents the first results of the natural radionuclides in the Maritza and Tundja river sediments, in the vicinity of Edirne city, Turkey. The aim of the article is to describe the natural radioactivity concentrations as a baseline for further studies and to obtain the distribution patterns of radioactivity in trans-boundary river sediments of the Maritza and Tundja, which are shared by Turkey, Bulgaria and Greece. Sediment samples were collected during the period of August 2007-April 2010. The riverbank sediment samples were analyzed firstly for their pH, organic matter content and soil texture. The gross alpha/beta and 238U, 232Th and 40K activity concentrations were then investigated in the collected sediment samples. The mean and standard error of mean values of gross alpha and gross beta activity concentrations were found as 91 ± 11, 410 ± 69 Bq/kg and 86 ± 11, 583 ± 109 Bq/kg for the Maritza and Tundja river sediments, respectively. Moreover, the mean and standard error of mean values of 238U, 232Th and 40K activity concentrations were determined as 219 ± 68, 128 ± 55, 298 ± 13 and as 186 ± 98, 121 ± 68, 222 ± 30 Bq/kg for the Maritza and Tundja River, respectively. Absorbed dose rates (D) and annual effective dose equivalent s have been calculated for each sampling point. The average value of adsorbed dose rate and effective dose equivalent were found as 191 and 169 nGy/h; 2 and 2 mSv/y for the Maritza and the Tundja river sediments, respectively.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)2163-2172
Sayfa sayısı10
DergiJournal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering
Hacim47
Basın numarası13
DOI'lar
Yayın durumuYayınlandı - 1 Kas 2012

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