İSTANBUL-SARIYER İLÇESİNDEKİ BAZI TOPRAK ÖRNEKLERİNDE CS-137 KONSANTRASYONUN BELİRLENMESİ

Yıl 2019, Cilt: 5 Sayı: 1, 29 - 39, 30.06.2019

Osman Günay Canel Eke

https://doi.org/10.34186/klujes.564877

Öz

Çevresel
radyoaktivite genellikle doğal radyasyon ve yapay radyasyon olarak iki kısımda
oluşmaktadır. Yapay radyasyon; nükleer silah denemeleri, nükleer kazalar,
nükleer tıp uygulamaları ve parçacık hızlandırıcılar sonucunda meydana
gelmektedir. 2011 yılında Fukushima Daiichive 1986 yılında Çernobil’ de meydana
gelen nükleer santral kazaları sebebiyle çevreye yoğun miktarda yapay
radyoaktif nükleotitler saçılmıştır. Çernobil nükleer kazası İstanbul’ a yakın
olduğu için, radyoaktif serpintiden etkilenme olasılığı yüksektir. Bu çalışma
İstanbul’un Sarıyer ilçesinde bazı toprak örneklerinde yapay radyoaktif madde
olan Cs-137 konsantrasyonun belirlenmesi amacıyla yapılmıştır. Çalışma
bölgesinde 12 örnekleme noktası belirlenmiş, spektroskopik ölçümler, yüksek
saflıkta germanyum detektör (HPGe) ile yapılmıştır. Cs-137 radyoaktivite
konsantrasyonları 1.70 ± 0,72 Bqkg^-1 ile 16.43±1.26Bqkg^-1
arasında değiştiği bulunmuştur.

Anahtar Kelimeler

Cs-137, Toprak, Sarıyer

Kaynakça

• O. Yarar, E. Temizsoy and O. Günay, “Noise pollution level in a pediatric hospital,” Int. J. of Env. Sci. Tech,. 1-6, 2018.
• H. Toros, H. Erdun, O. Capraz, B. Ozer, E. Bozyazı Daylan, A. İ. Öztürk, “Air Pollution and Quality Levels in Metropolitans of Turkey for Sustainable life,” Euro. J. of Sci. Tech., 1, 2, 28-38, 2014.
• S. Aközcan, “Annual effective dose of naturally occurring radionuclides in soil and sediment,” Tox. Env. Chem., 96.3, 379-386, 2014.
• S. Aközcan, M. Yılmaz and F.Külahcı, “Dose rate and seasonal variations of 238U,232Th, 226Ra, 40K and 137Cs radionuclides in soils along Thrace, Turkey,” J Radional. Nucl. Chem. 299:95-101, 2014.
• O. Günay, “Determination of Natural Radioactivity and Radiological Effects in some Soil Samples in Beykoz-Istanbul,” Euro. J. of Sci. Tech, No. 12, pp. 9-14, 2018.
• B. Çetin, F.Öner and I. Akkurt, “Determination of Natural Radioactivity and Associated Radiological Hazard in Excavation Field in Turkey (Oluz Höyük),” Act.. Phys.. Pol. A, Vol 130, 2016.
• B. Mavi and I.Akkurt, "Natural radioactivity and radiation hazards in some building materials used in Isparta, Turkey," Rad. Phys. Chem., 79-9, 933-937, 2010.
• O. Günay, M. M. Saç, M.Içhedef and C. Taşköprü, “Natural radioactivity analysis of soil samples from Ganos fault (GF),” Int. J. Environ. Sci. Tech., 1-4, 2018.
• S. Seçkiner, I.Akkurt and K.Günoglu, “Determination of 40K concentration in gravel samples from Konyaaltı Beach, Antalya,” Act. Phys. Pol. A., Vol 132 (3-II), 1095-1097, 2017.
• N. A. Uyanık, I. Akkurt and O. Uyanık, “A ground radiometric study of uranium, thorium and potassium in Isparta, Turkey,” Ann. of Geophys. ”. 53, 5-6(2010)25-30, 2010.
• O. Günay, M. M. Saç, M. Içhedef and C. Taşköprü, “Soil gas radon concentrations along the Ganos Fault (GF),” Arabian J. of Geosci., 11:213, 2018.
• M. W. Yii, A. Zaharudin, and M. Norfaizal., “Concentration of Radio cesium 137Cs and 134Cs in Sediments of the Malaysian Marine Environment,” App. Rad. Isotop., 65, 1389-1395, 2007.
• S. Topçuoğlu, “Sources and Distribution of Anthropogenic Radionuclides in Marmara Sea Environment,” Turk. J. Marine Sci., 7: 143-152, 2001.
• S. Aközcan, F. Külahcı and Y. Mercan, “A Suggestion to Radiological Hazards Characterization of 226Ra, 232Th, 40K and 137Cs: Spatial Distribution Modelling,” J. Hazard. Materials , 353: 476-489, 2018.
• M. R. M. Akram, N. Qureshi, T. J. Ahmad, A. Solaija, M. A. Mashiatullah, and S. Irshad, “Determination of Natural and Artificial Radionuclides in Sea Water and Sediments off Gwadar Coast, Arabian Sea,” The Nucleus 41: 19-25, 2004.
• A. M. Noureddine, R. Benkrid, M. Maoui and R. Boudjenoun, “Distribution of Natural Radioactivity, 137Cs, 90Sr, and Plutonium Isotopes in a Water Column and Sediment Core along the Algerian Coast,” New York, NY: Hindawi P. Cor. Sci. Tech. Nuc. Ins., Project Report, 2007.
• A. Rantavaara, “Ingestion Doses in Finland Due to 90Sr, 134Cs and 137Cs from Nuclear Weapons Testing and the Chernobyl Accident,” App. Rad. Isot., 66: 1768-1774, 2008.
• H. Florou, G. Nicolaou and N. Evangeliou, “The Concentration of 137Cs in the Surface of the Greek Marine Environmen,” J. Env. Radio., 101: 654-657, 2010.
• TUIK, (2012, December 26) “Address Based Population Registration System, Turkish Statistical Institute”, [Online]. Available http://www.tuik.gov.tr
• C. Eke, I. Boztosun I, “Determination of activity concentration of natural and artificial radionuclides in sand samples from Mediterranean coast of Antalya in Turkey,” J. Kerntechnik, 80: 280-290, 2015.
• Maestro-32, (2018 Jan 02). Multi-channel analyser software, A65- B32 model, Ortec (2008)”, [Online]. Available http://www.ortec-online.com/-/media/ametekortec/manuals/a65-mnl.pdf
• M. Ismail, M. A. Zia and H. M. Khan. “Investigation of Cs-137 in the environmental soil segments of the Peshawar and Nowshera districts of Khyber Pakhtunkhwa, Pakistan,” Int.J. Rad. Res., 15(4), 407-412, 2017
• ISO-GUM, (2018 Jan 02). “International Organization for Standardization-Guide to the Expression of Uncertainty in Measurement”, [Online]. Available https://www.bipm.org/en/publications/guides/
• M. Karataslı, S. Turhan, A. Varinlioglu and Z.Yegingil, “Natural and fallout radioactivity levels and radiation hazard evaluation in soil samples,” Env. Earth. Sci, 75:424, 2016.
• S. Dizman, F. K. Görür and R. Keser, “Determination of radioactivity levels of soil samples and the excess of lifetime cancer risk in Rize province, Turkey,” I. J. Rad. Res., 14(3): 237-244, 2016.
• B. G. Cengiz and S. Reşitoğlu, “Determination of natural radioactivity levels in Kars City center, Turkey,” J. Nuc. Sci., 1, 32-37, 2014.
• H. Taskin, M.Karavus, P. Ay, Topuzoglu A., Hidiroglu S. and Karahan G., “Radionuclide concentrations in soil and lifetime cancer risk due to gamma radioactivity in Kirklareli, Turkey,” J. Env. Rad., 100, 49- 53, 2009.
• E. Kapdan, A.Varinlioglu and G.Karahan, “Radioactivity Levels and Health Risks due to Radionuclides in the Soil of Yalova”, Northwestern Turkey Int. J. Env. Res., 5(4):837-846, 2011.
• M. Değerlier, G. Karahan and G. Ozger, Radioactivity concentrations and dose assessment for soil samples around Adana, Turkey,” J. Env. Rad., 99(7), 1018–1025, 2008.
• Z. Korkulu and N. Özkan,“Determination of natural radioactivity levels of beach sand samples in the black sea coast of Kocaeli (Turkey),” Rad. Phy. Chem., Volume 88, 2013, Pages 27-31, 2013.
• Y. Örgün, N. Altınsoy, S. Y. Şahin, Y. Güngör, A. H. Gültekin, G. Karahan and Z. Karacık, “Natural and antropogenic radionuclides in rocks and beach sands from Ezine region (Çanakkale) WesternAnatolia, Turkey,” Appl. Radiat. Isot., 65, 739–747, 2007.
• M. M. Abu Samreh, K. M. Thabayneh and F.W. Khrais, “Measurement of activity concentration levels of radionuclides insoil samples collected from Bethlehem Province, West Bank, Palestine,” Turkish J. Eng. Env. Sci, 38: 113-125, 2014.
• M. Rafique, S. Ur Rahman, M. Basharat, W. Aziz, I. Ahmad, K. A. Lone, K. Ahmad and M. Matiullah, “Evaluation of excess life time cancer risk from gamma dose rates in Jhelum valley,” J. Radiat. Res. App. Sci.s, 7 29-35, 2014.
• S. Harb, “Natural radioactivity and external gamma radiation exposure at the coastal Red Seain Egypt,” Radiat. Prot. Dosimetry, 130,376–384, 2008.
• TAEA, “En.l Radio. Monitoring in Turkey, Tech. Report”, Ankara 9-14, 2010.