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2 results on '"Effective dose equivalents"'

1. Evaluation of the Radiation Doses and Excess Lifetime Cancer Risks Due to Natural Radioactivity in Drinking Groundwater in the United Arab Emirates

Author

Ajaj, Rahaf, El-Sayed, Samar, Salem Al Yafei, Mohammed A., Pisello, Anna Laura, Editorial Board Member, Hawkes, Dean, Editorial Board Member, Bougdah, Hocine, Editorial Board Member, Rosso, Federica, Editorial Board Member, Abdalla, Hassan, Editorial Board Member, Boemi, Sofia-Natalia, Editorial Board Member, Mohareb, Nabil, Editorial Board Member, Mesbah Elkaffas, Saleh, Editorial Board Member, Bozonnet, Emmanuel, Editorial Board Member, Pignatta, Gloria, Editorial Board Member, Mahgoub, Yasser, Editorial Board Member, De Bonis, Luciano, Editorial Board Member, Kostopoulou, Stella, Editorial Board Member, Pradhan, Biswajeet, Editorial Board Member, Abdul Mannan, Md., Editorial Board Member, Alalouch, Chaham, Editorial Board Member, Gawad, Iman O., Editorial Board Member, Nayyar, Anand, Editorial Board Member, Amer, Mourad, Series Editor, Çiner, Attila, editor, Khan, Md Firoz, editor, Kallel, Amjad, editor, Rodrigo-Comino, Jesús, editor, Parise, Mario, editor, Barzegar, Rahim, editor, Ergüler, Zeynal Abiddin, editor, Khelifi, Nabil, editor, and Ali, Imran, editor

Published
2023
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2. Natural Radioactivity Of Riverbank Sediments Of The Maritza And Tundja Rivers In Turkey

Author

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

Subjects
Absorbed dose rate, uranium 238, Geologic Sediments, Turkey, river, Gross alpha, correlation analysis, Potassium Radioisotopes, Sediment samples, Natural radionuclides, Potassium-40, Turkey (republic), thorium 232, gross alpha- gross beta, Absorbed dose, Bulgaria, organic matter, chemistry.chemical_classification, Greece, Soil textures, pH, radiation absorption, Gross beta, Standard errors, Thorium, article, General Medicine, Sedimentology, Hydrogen-Ion Concentration, Adsorbed dose, natural radioactivity, Trans-boundary rivers, Uranium, radiation dose distribution, Average values, Effective dose equivalents, room temperature, radiation dose, Organic matter content, Mean values, Environmental Engineering, Soil texture, River sediments, Sediments, Distribution patterns, Rivers, Radiation Monitoring, soil organic matter, Soil Pollutants, Radioactive, Organic matter, radioisotope, Sampling points, potassium 40, Hydrology, Radionuclide, concentration (parameters), Activity concentration, Soil organic matter, Environmental engineering, Sediment, soil texture, Annual effective dose, sediment, chemistry, Environmental science, adsorption kinetics
Abstract

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. © 2012 Copyright Taylor and Francis Group, LLC.

Published
2012

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