Determination of natural radionuclides and radioactive minerals in urban coastal zone of South India using Geospatial approach

Bharath, K. Manikanda; Natesan, Usha; Chandrasekaran, S.; Srinivasalu, S.

doi:10.1007/s10967-022-08284-3

Cited by 8 publications

(5 citation statements)

References 29 publications

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Section: Mineralogymentioning

confidence: 99%

“…Interestingly, monazite grains show U and Th concentrations in their chemical composition (Figure 4). Monazite is thought to be the primary source of natural radioactivity in marine and beach sand [68][69][70][71][72]. The heavy mineral assemblages of Jeddah coastal marine sediments are, to a large extent similar, suggesting inheritance from the same source rocks.…”

Section: Mineralogymentioning

confidence: 99%

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Radiation Hazard from Natural Radioactivity in the Marine Sediment of Jeddah Coast, Red Sea, Saudi Arabia

Al-Mur

Gad

2022

JMSE

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Marine sediment samples were collected along the Jeddah coast, Red Sea, Saudi Arabia, in order to assess radiation hazards and the exposure to human and marine living organisms. Using collaborative techniques, grain size, mineralogical characteristics, and natural radioactivity were investigated. To examine the influence of sediment characteristics over the distribution of the measured radionuclides, resulting data were statistically processed by using multivariate analyses. 238U, 232Th, and 40K levels were specified to be 19.50, 9.38, and 403.31 Bq kg−1, respectively. Radionuclides distributions were affected by sediment mud content, organic matter, and heavy minerals index. The calculated radiation risk parameters are within the safe range and lower than the global average. Natural radiation from these marine sediments is normal and poses no significant radiological risk to the public or marine living organisms. The natural radioactivity of the marine sediment in this Jeddah coastline will have to be monitored on a regular basis to avoid overexposure to the residents.

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Section: Mineralogymentioning

confidence: 99%

Section: Mineralogymentioning

confidence: 99%

Radiation Hazard from Natural Radioactivity in the Marine Sediment of Jeddah Coast, Red Sea, Saudi Arabia

Al-Mur

Gad

2022

JMSE

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“…Deltaic alluvial plains, cheniers, paleo lagoonal plains and strandlines, coastal sand dunes, beaches, beach cliffs, paleo barriers, paleo tidal flats, and mud flats, river mouth bars, abandoned river channels, and natural levees make up the area between S1 and C13. This area is also covered by Cretaceous to modern sedimentary strata (16,20) .…”

Section: Geology Of the Study Areamentioning

confidence: 99%

“…To prevent radon gas from fleeing, containers were firmly sealed with vinyl tape around the screw neck. After that, samples were held for four weeks to allow radioactive equilibrium to be achieved between 238 U ( 226 Ra) and 232 Th ( 228 Ra) and their posterities (20) .…”

Section: Sample Collection and Preparationmentioning

confidence: 99%

Gamma Ray Spectroscopy Analysis of Sediments of Coastal Areas in Ennore, Tamil Nadu

Rajendiran,

Karthikayini,

Veeramuthu

et al. 2024

IJST

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Objectives: This research focuses on the determination of the natural radionuclides radium, thorium, and potassium in the twenty-six sediment samples collected at the sea, beach, and creek regions of Ennore Port. Methods: The activity concentrations of 226Ra, 232Th, and 40K were determined using gamma ray spectrometry with a high-purity germanium (HPGe) detector. Findings: The average activity concentrations of 226Ra, 232Th, and 40K were in the descending order of 40K (397.58 Bq kg-1) > 232Th (65.83 Bq kg-1) > 226Ra (18.28 Bq kg-1). The estimated average values of radiological parameters such as radium equivalent activity (143.04 Bq kg-1), absorbed dose rate (64.91 nGy h-1), annual effective dose equivalent (0.32 mSv y-1), and external hazard index (0.39) were lower than the respective world average values, reported by United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR, 2000). Moreover, the representative level index and annual gonadal dose equivalent were slightly higher than the world average value. Hence, this research proved that the study area is radiologically safe for humans and the environment. Novelty: A location and sample collection-based novelty is approached to carried out the work. Sea sediments were also collected along with samples from creek and beach regions in order to examine the dispersion of natural radionuclides from land to marine environments. The samples from the beach and creek regions were collected using a Peterson grab sampler. Especially in the sea region, the samples were collected using a Van Veen grab sampler at a depth of 4 m and a distance of 10 m parallel to the shoreline. Keywords: Natural radioactivity, Sediment, Ennore, Gamma ray spectrometry, HPGe detector, Radiological parameters

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“…To determine the region of Lualaba's true problems to solve, extensive research has been done. The paper [7] identified and, consequently, quantifies potential future supply threats. To do this, it examined the case of cobalt using a historical analysis approach developed by federation of German Centre for Geophysics and ordinary Sciences and Volkswagen (BGR-VW).…”

Section: Related Workmentioning

confidence: 99%

Evaluation of the Level of Radioactivity of the Samples Taken From the Mining Squares of the Company Lualaba Mining Resources Sas

Kimpinde

2024

JPS

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Purpose: This investigation focuses on measuring the radiation levels in mining squares run by the company Lualaba Mining Resources Sas. Worker and environmental exposure to radioactive levels that might be dangerous can result from mining operations. Therefore, the purpose aim this investigation is to assess and gauge radioactivity that exists in these mining areas, as well as to pinpoint its origins and examine the way it may affect occupational and environmental safety. This investigation has significance since Lualaba Mining Resources Sas located near Shinkolobwe, one of the Democratic Republic of the Congo’s most important uranium deposits. This uranium resource complicates radiation assessments in Lualaba Mining Resources Sas' mining areas. Methodology: A variety of samples, including rock, and soil will be taken from the mining squares under consideration as part of the suggested technique used in this investigation. The level of ionizing radiation was measured using radiation detection tools such as Thermo scientific FH40G-L10SN43, Polymaster PM1703GN and HDS101G counters. To assess compliance and possible dangers, the collected data were compared to recognized radiation safety requirements. Findings: The evaluation's findings show that the radiation levels in the mined squares are higher than background values. The primary causes of radioactivity are thought to be naturally occurring radioactive elements found inside the geological formations being mined. The assessment clarifies the radiation levels in the company's mining areas, emphasizing the need for strict safety regulations to safeguard both employees and the environment. Unique contributor to theory, policy and practice: The research places a strong emphasis on continual monitoring, personnel training, and the implementation of best practices to reduce any possible health and environmental concerns connected to mining-related radioactivity.

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Determination of natural radionuclides and radioactive minerals in urban coastal zone of South India using Geospatial approach

Cited by 8 publications

References 29 publications

Radiation Hazard from Natural Radioactivity in the Marine Sediment of Jeddah Coast, Red Sea, Saudi Arabia

Radiation Hazard from Natural Radioactivity in the Marine Sediment of Jeddah Coast, Red Sea, Saudi Arabia

Gamma Ray Spectroscopy Analysis of Sediments of Coastal Areas in Ennore, Tamil Nadu

Evaluation of the Level of Radioactivity of the Samples Taken From the Mining Squares of the Company Lualaba Mining Resources Sas

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