Variation in the radon concentrations and outdoor gamma radiation levels in relation to different geological formations in the thermal regions of Bursa, Turkey

Akkaya, Gizem; Kahraman, Ayşegül; Koray, Abdullah; Kaynak, Gönül

doi:10.1088/0952-4746/36/3/490

Cited by 6 publications

(5 citation statements)

References 30 publications

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“…Figure 4 shows the AlphaGUARD with the AquaKIT set-up for water measurements. Detailed experimental processes and methods for waters and soil gas were given in our previous study [29]. The outdoor gamma radiation levels were measured by a portable dose rate meter (Fluke Biomedical) (connected with a 489-55 model 1.5″ x1.5″ NaI(Tl) scintillation detector), as described by Akkaya et al [29].…”

Section: Methodsmentioning

confidence: 99%

“…Detailed experimental processes and methods for waters and soil gas were given in our previous study [29]. The outdoor gamma radiation levels were measured by a portable dose rate meter (Fluke Biomedical) (connected with a 489-55 model 1.5″ x1.5″ NaI(Tl) scintillation detector), as described by Akkaya et al [29]. Sampling locations were chosen uncultivated, cultivated and near to populated areas to understand the amount of dose received by the population because of absorbed gamma dose rate in air.…”

Section: Methodsmentioning

confidence: 99%

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A Thoron Anomaly in the Soil Gas: A Case Study From Büyükorhan, Bursa, Turkey

Akkaya¹

2022

Deu Muhendislik Fakultesi Fen Ve Muhendislik

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The main sources of radiation exposure are the inhalation of radon, thoron and their decay products released from the rocks and soil, and terrestrial gamma radiation. In order to estimate the potential effects, the radon and thoron concentrations in the soil gas, the radon measurements in the groundwaters and outdoor gamma dose rates were measured at 18 different locations in Büyükorhan in the south of Bursa, which granitoid unit takes up a vast space in this area. The radon and thoron concentrations in the soil gas were found to vary from 0.54 ± 0.01 kBq m −3 to 36.25 ± 0.98 kBq m −3 (mean value 11.54 ± 2.79 kBq m −3 ) and from 14.86 ± 1.21 kBq m −3 to 1462.50 ± 26.47 kBq m −3 (mean value 174.53 ± 87.35 kBq m −3 ), respectively. The measured radon concentrations in the groundwater samples ranged from 6.89 ± 1.11 to 61.43 ± 0.55 Bq l -1 (mean value 24.85 ± 4.36 Bq l -1 ). The measured outdoor gamma dose rates varied from 68 nGy h -1 to 369 nGy h -1 (mean value 129.7 nGy h -1 ). It was observed that radon and thoron concentrations in the soil gas are controlled by the lithology of the region. Additionally, the effect of the radon and thoron concentration in soil gas on outdoor gamma dose rate is indicated in the present study.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

A Thoron Anomaly in the Soil Gas: A Case Study From Büyükorhan, Bursa, Turkey

Akkaya¹

2022

Deu Muhendislik Fakultesi Fen Ve Muhendislik

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“…The containers were closed and stored for a month in order to achieve the radioactive equilibrium between 226 Ra and its daughter element ( 222 Rn) [9]. 40 The outdoor gamma radiation levels were measured by a portable dose rate meter (Fluke Victoreen survey meter, connected with a 489-55 model 1.5 × 1.5 NaI(Tl) scintillation detector, optically coupled to PMT, as described by Akkaya et al [10].…”

Section: Methodsmentioning

confidence: 99%

The Investigation of Radionuclide Concentrations in Soil and Lifetime Cancer Risk Due to Gamma Radioactivity in Zonguldak, Turkey

et al. 2017

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“…Detailed experimental processes and methods for waters and soil gas were given in our previous study [30].…”

Section: Methodsmentioning

confidence: 99%

Radon Concentration Measurements and Risk Assessments Around Uludağ Mountain (Bursa, Turkey)

Kahraman¹,

Akkaya²,

Kaynak³

2017

SDÜ Fen Bil Enst Der

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The radon concentrations in the groundwater, tap water samples and soil gases of the residential areas and forested lands of Uludağ were measured to research on the dynamics of low-high radon levels over the various rocks types found in this area. Besides, the annual effective doses for groundwater and tap waters were calculated and compared with the recommended dose value by the World Health Organization (WHO) to evaluate the health risk of inhabitant. The radon concentrations in water samples for the wet and dry seasons were found in the ranges of 0.17 ± 0.09 -195.64 ± 6.87 Bq l -1 (median value of 5.13 Bq l -1 ) and 0.04 ± 0.01 -199.24 ± 6.54 Bq l -1 (median value of 4.33 Bq l -1 ), respectively. Elevated radon concentrations were measured in the waters draining through igneous rocks (granite and granodiorite), known as uranium-rich rocks. The average radon and thoron concentrations of soil gases were found to be in the ranges of 0.65 ± 0.01 -199.66 ± 3.27 kBq m -3 and 4.36 ± 0.36 -245.9 ± 7.26 kBq m -3 , respectively. The highest and lowest radon and thoron concentrations in soil gases were observed in the granitic area and in scree region, respectively.

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Variation in the radon concentrations and outdoor gamma radiation levels in relation to different geological formations in the thermal regions of Bursa, Turkey

Cited by 6 publications

References 30 publications

A Thoron Anomaly in the Soil Gas: A Case Study From Büyükorhan, Bursa, Turkey

A Thoron Anomaly in the Soil Gas: A Case Study From Büyükorhan, Bursa, Turkey

The Investigation of Radionuclide Concentrations in Soil and Lifetime Cancer Risk Due to Gamma Radioactivity in Zonguldak, Turkey

Radon Concentration Measurements and Risk Assessments Around Uludağ Mountain (Bursa, Turkey)

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