Assessment of environmental radioactivity for Sanliurfa region of southeastern Turkey

Ahmet Bozkurt*, Nuri Yorulmaz, Erol Kam, Gursel Karahan, Ahmet Erdal Osmanlioglu

*Bu çalışma için yazışmadan sorumlu yazar

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111 Atıf (Scopus)

Özet

This study assesses the level of background radiation for Sanliurfa province of southeastern Turkey. Measurements of outdoor gamma radiation (of terrestrial and cosmic origin) in air were performed at 112 locations using a plastic scintillator and the average absorbed dose was found as 60.9 nGy/h (corresponding to an effective dose of 74.7 μ Sv / y). The radionuclide activity concentrations in 45 soil samples collected from the study area were measured through gamma-ray spectrometry and the average activities were determined as 20.8, 24.95 and 298.6 for the natural radionuclides 238U, 232Th and 40K, respectively, and 9.08 Bq/kg for the fission product 137Cs. The natural radioactivity sources resulted in an effective dose of 46.9 μ Sv / y. The radioactivity levels of 53 drinking water samples were measured as 0.038 Bq/l for gross-alpha activity and 0.1324 Bq/l for gross-beta activity using gross-alpha and gross-beta counting methods (equivalent to an effective dose of 7.76 μ Sv / y). When compared with the data available for other Turkish cities, the outdoor gamma doses and soil radioactivity concentrations obtained in this study indicate a background radiation level that falls within natural limits. On the other hand, the measured gross-alpha and -beta activities in drinking water are relatively higher.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)1387-1391
Sayfa sayısı5
DergiRadiation Measurements
Hacim42
Basın numarası8
DOI'lar
Yayın durumuYayınlandı - Eyl 2007
Harici olarak yayınlandıEvet

Finansman

The authors acknowledge the financial support from Harran University's Committee for Scientific Research Projects (HUBAK Project Number: 488).

FinansörlerFinansör numarası
Harran Üniversitesi488

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