Determination of natural radioactivity levels in Kars- city center, Turkey

CENGİZ G. B., REŞİTOĞLU, S.
2.893 896

Abstract


The objective of this study is to determine the distribution of natural radionuclides in surface soils in the Karscity center, Turkey. The activity concentrations of 238U, 232 Th, 40 K and 137Cs in 38 soil samples collected from the study area were measured through NaI(Tl) gamma spectrometry. The average activities of the samples were determined to be 47.8, 31.2 and 536 Bqkg-1 for the natural radionuclides 226Ra (238U), 232Th, 40K, respectively, and 18 Bqkg-1 for the fission product 137Cs. When the present results are compared with the data available for other cities in Turkey, the soil radioactivity concentrations obtained in this study indicate that the region has a background radiation level within natural limits but the measured average activity of 40K depending on soil texture is slightly higher than the other parts of country

Keywords


Gama dose, radioactivity, soil, Kars, Turkey

Full Text:

PDF (Türkçe)


DOI: http://dx.doi.org/10.1501/nuclear_0000000005

References


CK CCs Kars Center 8±5.36 2±3 536±52 18±2 Present study Kırklareli Trabzon 41 35 437 21 Kurnaz et al. 2011 Giresun 33±13 43±14 733±86 318±46 Celik et al. 2008 İstanbul Çanakkale 178 342 1171 0.6-57 Orgun et al. 2007 2069 Şanlıurfa 8 95 298 08 Bozkurt et al. 2007 Rize Kütahya 33 32 255 Not reported

Sahin and Cavas et al. 2008 Manisa 5 27 340 Not reported Erees et al. 2006 Adana 6 1 25 0.1-28 Degerlier et al 2008 Bayburt Ordu 4-151.7 3-98.5 303-1107 Çelik et al. 2010 4-275.2 Kocaeli 11-49 11-65 161-954 Not reported Karakelle et al. 2002 East Anatolia Turkey 6 41-637 45 4±0.8 TAEA, 2010 33 Worldwide 35 30 400 UNSCEAR 2000

Çelik, N., Çevik, U., Çelik, A., Kücükömeroglu, B., “Determination of indoor radon and soil radioactivity levels in Giresun, Turkey”, Journal of Environmental Radioactivity 99, 1349–1354 (2008).

Çelik, N., Damla, N., Çevik, U., “Gamma ray concentrations in soil and building materials in Ordu, Turkey”, Radiation Effects and Defects in Solids 165 (1), 1–10 (2010).

Degerlier, M., Karahan, G., Ozger, G., “Radioactivity concentrations and dose assessment for soil samples around Adana, Turkey”, Journal of Environmental Radioactivity 99 (7), 1018–1025 (2008).

Erees, F.S., Akozcan, S., Parlak, Y., Çam, S., “Assessment of dose rates around Manisa (Turkey)”, Radiation Measurements 41, 598–601 (2006).

Karahan, G. and Bayulken, A., “Assessment of Gamma Dose Rates around İstanbul (Turkey)”, Journal of Environmental Radioactivity 47, 213- 221 (2000).

Karakelle B., Öztürk,N.; Köse,A., Varınlıoğlu A., Erkol A.Y., Yılmaz F., “Natural radioactivity in soil samples of Kocaeli basin, Turkey”, Journal of Radio analytical and Nuclear Chemistry 254 (3), 649-651 (2002).

Kucukomeroglu B., Kurnaz, A., Damla N., Cevik, U., Çelebi, N., Ataksor, B., Taşkın, H., “Environmental radioactivity assessment for Bayburt, Turkey”, Journal of Radiological Protection 29, 417-418 (2009).

Kurnaz, A., Kücükomeroglu B., Damla N., Cevik, U., “Radiological maps for Trabzon, Turkey”, Journal of Environmental Radioactivity. 102, 393- 399 (2011).

Orgun, Y., Altınsoy, N., Sahin, S.Y., Gungor, Y., Gültekin, A.H., Karahan, G., Karacık, Z., “Natural and anthropogenic radionuclides in rocks and beach sands from Ezine region (Çanakkale), Western Anatolia, Turkey”, Applied Radiation and Isotopes 65, 739-747 (2007).

Sahin, L., Çavaş, M., “Natural radioactivity measurements in soil samples of central Kütahya (Turkey)”, Radiation Protection Dosimetry 131,526-530 (2008).

TAEK, ‘’Türkiye’deki Çevresel Radyoaktivitenin İzlenmesi’’, Teknik Rapor, Ankara 9-14 (2010).

Taskin H., Karavus, M., Ay, P., Topuzoglu A., Hidiroglu S., Karahan G. “Radionuclide concentrations in soil and lifetime cancer risk due to gamma radioactivity in Kirklareli, Turkey”, Journal of Environmental Radioactivity. 100, 49-53 (2009).

UNSCEAR, “Sources, Effects and Risks of Ionizing Radiation Report of the United Nations Scientific Committee on the Effects of Atomic Radiation to the General Assembly”. United Nations, New York (2000).