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Erzin S. Using radial basis artificial neural networks to predict radiation hazard indices in geological materials. ENVIRONMENTAL MONITORING AND ASSESSMENT 2024; 196:315. [PMID: 38416264 DOI: 10.1007/s10661-024-12459-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 02/17/2024] [Indexed: 02/29/2024]
Abstract
The estimation of exposures to humans from the various sources of radiation is important. Radiation hazard indices are computed using procedures described in the literature for evaluating the combined effects of the activity concentrations of primordial radionuclides, namely, 238U, 232Th, and 40 K. The computed indices are then compared to the allowed limits defined by International Radiation Protection Organizations to determine any radiation hazard associated with the geological materials. In this paper, four distinct radial basis function artificial neural network (RBF-ANN) models were developed to predict radiation hazard indices, namely, external gamma dose rates, annual effective dose, radium equivalent activity, and external hazard index. To make RBF-ANN models, 348 different geological materials' gamma spectrometry data were acquired from the literature. Radiation hazards indices predicted from each RBF-ANN model were compared to the radiation hazards calculated using gamma spectrum analysis. The predicted hazard indices values of each RBF-ANN model were found to precisely align with the calculated values. To validate the accuracy and the adaptability of each RBF-ANN model, statistical tests (determination coefficient (R2), relative absolute error (RAE), root mean square error (RMSE), Nash-Sutcliffe Efficiency (NSE)), and significance tests (F-test and Student's t-test) were performed to analyze the relationship between calculated and predicted hazard indices. Low RAE and RMSE values as well as high R2, NSE, and p-values greater than 0.95, 0.71, and 0.05, respectively, were found for RBF-ANN models. The statistical tests' results show that all RBF-ANN models created exhibit precise performance, indicating their applicability and efficiency in forecasting the radiation hazard indices of geological materials. All the RBF-ANN models can be used to predict radiation hazard indices of geological materials quite efficiently, according to the performance level attained.
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Affiliation(s)
- Selin Erzin
- Science Faculty, Physics Department, Dokuz Eylul University, 35390, İzmir, Turkey.
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Khan M, Chaudhary MZ, Khan EU, Abid J, Nasir T, Yaqoob N. Assessment of radiological indices and physiochemical characterization of sediments in Chashma Lake, Pakistan. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:1219. [PMID: 37718371 DOI: 10.1007/s10661-023-11825-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 09/01/2023] [Indexed: 09/19/2023]
Abstract
Twenty surface sediment samples were gathered from Chasma Lake, deciding the radionuclides 137Cs, 226Ra, 228Ra, 232Th, and 40K and their associated hazard indices. The deliberate radionuclide activities of present research have been contrasted with earlier research, and acquired outcomes in the present study are found below the results in the world. The radiation hazard indices following the presence of natural radionuclides in sediment samples were estimated, and the results assigned the values of all the determined radiological indices found inside the worldwide suggested limits. It was concluded from the current review that the sediment of Chashma Lake is safe for construction and agriculture and does not make radiation dangerous to the nearby local area of the lake.
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Affiliation(s)
- Mustafa Khan
- District Education Authority Mianwali, Mianwali, Pakistan
| | | | | | - Jawaria Abid
- Isotope Application Division, PINSTECH, P.O. Nilore, Islamabad, Pakistan
| | - Tabassum Nasir
- Institute of Physics, Gomal University, D. I Khan, Pakistan
| | - Nadeem Yaqoob
- Isotope Application Division, PINSTECH, P.O. Nilore, Islamabad, Pakistan
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Erzin S, Yaprak G. Prediction of the activity concentrations of 232Th, 238U and 40K in geological materials using radial basis function neural network. J Radioanal Nucl Chem 2022. [DOI: 10.1007/s10967-022-08438-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Radiological Hazards Assessment of Stream sediments at Wadi Diit and Wadi Sermatai area, Southern Eastern Desert, Egypt. J Radioanal Nucl Chem 2022. [DOI: 10.1007/s10967-022-08247-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Afzal I, Chaudhary MZ, Khan EU, Nasir T, Yaqoob N. Radiological risk assessment in sediment of Namal Lake, Mianwali, Pakistan. ENVIRONMENTAL MONITORING AND ASSESSMENT 2022; 194:223. [PMID: 35217922 DOI: 10.1007/s10661-022-09881-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 02/17/2022] [Indexed: 06/14/2023]
Abstract
This study is concentrated on the radiological risk assessment of sixteen surface sediment samples recovered from Namal Lake, District Mianwali, Punjab, Pakistan. The activity of 137Cs, 40 K, 226Ra, 228Ra, and 232Th was carried out with the help of a high purity germanium detector (HPGe) in the sediment, varied in the ranges of > 0.02-3.73 ± 1.31, 98.32 ± 21.45-341.02 ± 58.67, 18.34 ± 2.16-34.23 ± 4.34, 1.62 ± .30-2.34 ± .52, and 0.14 ± 0.10-2.34 ± 0.59 Bq kg-1 with average values 0.74 ± 0.29, 237.26 ± 37.97, 25.06 ± 4.74, 1.97 ± 0.39, and 1.73 ± 0.33 Bq kg-1, respectively. The measured concentrations in the current study have been compared with other earlier studies in the world. The data was also used for determining the other useful parameters like radium equivalent activity, absorbed dose rate, annual effective dose rate, and external and internal hazards index to assess the radiological risk assessment for the environment around the study area. The ERICA Tool software was also applied for radiological risk assessment for lake fish due to the radioactivity present in the lake sediments. It was concluded from the results of ERICA tool that the risk quotient in this study is less than one indicating that no toxic effects of radioactivity for Namal Lake fish.
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Affiliation(s)
- Irfan Afzal
- Institute of Physics, Gomal University, D. I. Khan, Pakistan
| | | | | | - Tabassum Nasir
- Institute of Physics, Gomal University, D. I. Khan, Pakistan
| | - Nadeem Yaqoob
- Isotope Application Division, PINSTECH, P.O. Nilore, Islamabad, Pakistan
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Suresh S, Rangaswamy DR, Sannappa J, Dongre S, Srinivasa E, Rajesh S. Estimation of natural radioactivity and assessment of radiation hazard indices in soil samples of Uttara Kannada district, Karnataka, India. J Radioanal Nucl Chem 2022. [DOI: 10.1007/s10967-021-08145-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Distributions and Risk Assessment of the Natural Radionuclides in the Soil of Shoubra El Kheima, South Nile Delta, Egypt. ATMOSPHERE 2022. [DOI: 10.3390/atmos13010098] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Due to heightening concern about radiation hazards protection, activity concentrations of 226Ra, 232Th, 40K in forty soil samples collected from Shoubra El Kheima in the South Nile Delta were measured using gamma-ray spectrometry. The mean activity concentrations of 226Ra and 40K were higher in 20% of the considered samples than the world average values. A comprehensive comparison with up-to-date data was carried out. Spatial distribution maps of the measured radionuclides and radiological parameters were generated. The distributions of natural radionuclides were influenced by the soil organic matter, clay content, and scavenger metals oxides, as well as differences in the physical and chemical attributes and solubility of these radionuclides. The results revealed that industrial activity and agricultural practices in the study area caused an incremental increase in 226Ra and 40K activity concentrations. It can be deduced that although there are intensive industrial activities in this area, the natural radiation that comes from the soil is normal and does not pose a significant radiological hazard to the public. The natural radioactivity of soil in this area needs to be monitored periodically to prevent unnecessary radiation exposure to inhabitants.
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Ozaydin Ozkara R, Eke C, Boztosun I. A study on the activity concentrations of 226Ra, 232Th, 40K, 137Cs and radiological risk assessments in soil samples from Seydisehir and Beysehir districts of Konya in Turkey. J Radioanal Nucl Chem 2021. [DOI: 10.1007/s10967-021-08046-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Zakaly HMH, Uosif MAM, Issa SAM, Tekin HO, Madkour H, Tammam M, El-Taher A, Alharshan GA, Mostafa MYA. An extended assessment of natural radioactivity in the sediments of the mid-region of the Egyptian Red Sea coast. MARINE POLLUTION BULLETIN 2021; 171:112658. [PMID: 34271507 DOI: 10.1016/j.marpolbul.2021.112658] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 05/29/2021] [Accepted: 06/18/2021] [Indexed: 05/25/2023]
Abstract
In this study, nearly 84 marine sediment samples were collected from twelve points in four cities (Quseir, Safaga, Hurghada, and Ras Gharib) along the Egyptian Red Sea sectors. The collected samples were extensively examined to estimate the natural radioactivity level. The obtained results were compared to the reported ranges from other locations in different countries. Hazardous radiation parameters such as radium equivalent, annual dose, and external hazards were estimated and compared to United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) recommended levels. The values were recorded in the first natural radioactivity database of coastal sediments from Egyptian Red Sea cities. The dose rate for certain organs was evaluated. The results showed that Red Sea beach sediments are safe in terms of natural radioactivity. It can be concluded that they do not pose a risk to tourists going to the beaches for recreation or to sailors and fishers involved in economic activities along the Egyptian Red Sea coast.
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Affiliation(s)
- Hesham M H Zakaly
- Physics Department, Faculty of Science, Al-Azhar University, 71524 Assuit, Egypt; Institute of Physics and Technology, Ural Federal University, Yekaterinburg 620002, Russia.
| | - M A M Uosif
- Physics Department, Faculty of Science, Al-Azhar University, 71524 Assuit, Egypt; Physics Department, College of Science, Jouf University, P.O. 2014 Sakaka, Al-Jouf, Saudi Arabia.
| | - Shams A M Issa
- Physics Department, Faculty of Science, Al-Azhar University, 71524 Assuit, Egypt; Physics Department, Faculty of Science, University of Tabuk, Tabuk 71451, Saudi Arabia
| | - H O Tekin
- Medical Diagnostic Imaging Department, College of Health Sciences, University of Sharjah, Sharjah 27272, United Arab Emirates; Medical Radiation Research Center (USMERA), Uskudar University, 34672 Istanbul, Turkey
| | - Hashim Madkour
- National Institute of Oceanography and Fisheries, Hurghada, Egypt
| | - Mahmoud Tammam
- Physics Department, Faculty of Science, Al-Azhar University, 71524 Assuit, Egypt
| | - Atef El-Taher
- Physics Department, Faculty of Science, Al-Azhar University, 71524 Assuit, Egypt
| | - Gharam A Alharshan
- Physics Department, College of Science, Princess Nourah Bint, Abdulrahman University, Saudi Arabia
| | - Mostafa Y A Mostafa
- Institute of Physics and Technology, Ural Federal University, Yekaterinburg 620002, Russia; Department of Physics, Minia University, El-Minia, Egypt
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Hanfi MY, Masoud MS, Ambrosino F, Mostafa MY. Natural radiological characterization at the Gabal El Seila region (Egypt). Appl Radiat Isot 2021; 173:109705. [DOI: 10.1016/j.apradiso.2021.109705] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 03/09/2021] [Accepted: 03/22/2021] [Indexed: 11/28/2022]
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Yadav AK, Hopke PK. Characterization of radionuclide activity concentrations and lifetime cancer risk due to particulate matter in the Singrauli Coalfield, India. ENVIRONMENTAL MONITORING AND ASSESSMENT 2020; 192:680. [PMID: 33025180 DOI: 10.1007/s10661-020-08619-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Accepted: 09/17/2020] [Indexed: 06/11/2023]
Abstract
In this study, the activities of 40K, 210Pb, 232Th, 234U, 235U, and 238U in size-segregated particulate matter (PM) were measured in the Singrauli Coalfield, India. Different isotopic compositions were found relative to natural uranium ratios. The radioactivity concentration ratios in different PM sizes [PM2.5, PM10, and suspended particulate matter (SPM)] suggested that anthropogenic sources affected the uranium isotopic compositions in the area. A different isotopic composition from the natural uranium composition was found. The correlation coefficients between the measured isotopes (40K, 210Pb, 232Th, 234U, 235U, and 238U) and meteorological factors were calculated. PM emissions were affected by the meteorological conditions, which in turn, influenced the U and Th concentrations in PM. The 232Th/238U activity ratio in particulate matter was between 0.20 and 1.54 with an average value of 0.9 ± 0.5, 0.2 to 1.1 (0.8 ± 0.7), and 0.2 to 1.2 with an average value of 0.8 ± 0.8 in PM2.5, PM10, and SPM, respectively. These range were quite different from the average crustal ratio of 3.5, indicating that the 238U concentrations were elevated in this region relative to Th. However, compared with Th, the dose contribution of U to the public was negligible. The average effective dose in public owing to inhalation of natural radioactive 40K, 210Pb, 232Th, and 234U, 235U, and 238U in the atmosphere was between 0.03 and 327 nSv year-1. These doses associated with the inhalation of particulate matter were lower than world airborne reference value as reported by UNSCEAR (2000a). Graphical abstract.
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Affiliation(s)
- Akhilesh Kumar Yadav
- Department of Mining Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, 221 005, India.
| | - Philip Karl Hopke
- Department of Public Health Sciences, University of Rochester School of Medicine and Dentistry, Rochester, NY, 14642, USA
- Institue for a Sustainable Environment, Clarkson University, Potsdam, NY, 13699, USA
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Distribution of natural radionuclides and assessment of the associated radiological hazards in the rock and soil samples from a high-level natural radiation area, Northern Iran. J Radioanal Nucl Chem 2019. [DOI: 10.1007/s10967-019-06912-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Aladeniyi K, Olowookere C, Oladele BB. Measurement of natural radioactivity and radiological hazard evaluation in the soil samples collected from Owo, Ondo State, Nigeria. JOURNAL OF RADIATION RESEARCH AND APPLIED SCIENCES 2019. [DOI: 10.1080/16878507.2019.1593675] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Kehinde Aladeniyi
- The Department of Physics, Federal University of Technology, Akure, Ondo State, Nigeria
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Estimation of background radiation levels and associated health risks in mineral rich district Chiniot, Pakistan. J Radioanal Nucl Chem 2019. [DOI: 10.1007/s10967-019-06425-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Alali AE, Al-Shboul KF, Albdour SA. RADIOACTIVITY MEASUREMENT AND RADIOLOGICAL HAZARD ASSESSMENT OF THE COMMONLY USED GRANITE AND MARBLE IN JORDAN. RADIATION PROTECTION DOSIMETRY 2018; 182:386-393. [PMID: 29741709 DOI: 10.1093/rpd/ncy077] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 04/19/2018] [Indexed: 06/08/2023]
Abstract
Natural radioactivity of common commercial marble and granite types used in Jordanian dwellings are measured using high-resolution gamma spectrometry. The activity concentrations of 226Ra, 232Th and 40K ranged from 8.57 ± 1.55 to 152.07 ± 3.26 Bq kg-1, 6.83 ± 1.25 to 365.43 ± 4.84 Bq kg-1 and 121.25 ± 9.10 to 1604.90 ± 31.28 Bq kg-1 in granite and from 0.53 ± 0.12 to 18.61 ± 1.60 Bq kg-1, 0.51 ± 0.19 to 4.87 ± 2.13 Bq kg-1 and 3.21 ± 0.96 to 58.09 ± 6.40 Bq kg-1 in marble, respectively. Various radiological hazard indices like gamma index, internal and external hazard indices and annual effective dose equivalent were calculated and compared with the international limits. Our results show that some granite types may pose a radiation hazard.
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Affiliation(s)
- Abdullah E Alali
- Nuclear Engineering Department, Jordan University of Science & Technology, Irbid, Jordan
| | - Khaled F Al-Shboul
- Nuclear Engineering Department, Jordan University of Science & Technology, Irbid, Jordan
| | - Samah A Albdour
- Nuclear Engineering Department, Jordan University of Science & Technology, Irbid, Jordan
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Spatial evaluation of radionuclide concentrations and the associated radiation hazards using the Kriging method. J Radioanal Nucl Chem 2018. [DOI: 10.1007/s10967-018-6015-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Al-Shboul KF, Alali AE, AL-Khodire HY, Batayneh IM, Al-Shurafat AW. Assessment of secular equilibrium and determination of natural and artificial radionuclide concentrations in the zone surrounding the site of the first nuclear reactor in Jordan. J Radioanal Nucl Chem 2017. [DOI: 10.1007/s10967-017-5504-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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