Spatial autocorrelation and hotspot analysis of natural radionuclides to study sediment transport

B Mtshawu, J Bezuidenhout, KK Kilel - Journal of Environmental …, 2023 - Elsevier
Tracking sediment movement is typically done with artificial radionuclides. However, this can
be environmentally harmful and does not allow for sediment classification. Naturally …

[HTML][HTML] Natural radionuclides as tracers of coastal sediment dynamics in El Confital Bay (Spain): Spatial distribution and relationships with sediment characteristics

AC Arriola-Velásquez, A Tejera, I Alonso, F Cámara… - Catena, 2024 - Elsevier
Erosion and accumulation of coastal areas have become an increasing concern in recent
years since they can result in important social and economic problems. In this framework …

Study of the Tagus River and Entrepeñas reservoir ecosystem around the Trillo nuclear power plant using chemometric analysis: Influence on water, sediments, algae …

R Argüelles, M Toledo, MA Martín - Chemosphere, 2021 - Elsevier
The fluvial and aquatic ecosystem of the Tagus River and Entrepeñas reservoir located in
the surrounding of the Trillo nuclear power plant (NPP) was evaluated from 1992 to 2008 …

A low-cost delta underwater gamma system (DUGS) for in-situ measurement of natural radionuclides in aquatic sediments

KK Kilel, J Bezuidenhout, MJ Gatari… - … of Radioanalytical and …, 2023 - Springer
In this paper, we report on the design and radiometric performance of the delta underwater
gamma system, a low-cost modular, waterproof, mobile detector system that we recently …

Estimating indoor radon concentrations based on the uranium content of geological units in South Africa

J Bezuidenhout - Journal of Environmental Radioactivity, 2021 - Elsevier
Very few studies have been done on radon in South Africa, even though South Africa holds
nearly a tenth of the global uranium deposits. This study aimed to map and estimate the …

[HTML][HTML] 226Ra, 228Ra and 40K as tracers of erosion and accumulation processes: A 3-year study on a beach with different sediment dynamics

AC Arriola-Velásquez, A Tejera, JG Guerra, W Geibert… - Catena, 2021 - Elsevier
The aim of this study is to analyse the role of natural radionuclides 226 Ra, 228 Ra, 40 K
and unsupported 210 Pb (210 Pb ex), as erosion and accumulation process tracers. For this …

In situ radioactivity maps and trace metal concentrations in beach sands of a mining coastal area at North Aegean, Greece

C Tsabaris, DL Patiris, R Adams, J Castillo… - Journal of Marine …, 2023 - mdpi.com
In recent years, the environmental effects of both active and legacy mining activity have
motivated many research groups worldwide through the use of a variety of methods that …

Investigating naturally occurring radionuclides in sediment by characterizing the catchment basin geology of rivers in South Africa

J Bezuidenhout - Journal of Applied Geophysics, 2023 - Elsevier
Fingerprinting of sediment by means of naturally occurring radionuclides provides an
environmentally friendly technique to trace and model sediment. This article describes a …

Reduced soil fauna decomposition in a high background radiation area

H Haanes, R Gjelsvik - Plos one, 2021 - journals.plos.org
Decomposition of litter and organic matter is a very important soil ecosystem function where
soil fauna play an important role. Knowledge of the responses in decomposition and soil …

基于放射性核素的沉积物源识别技术探索与优化: 以红树林− 海草床− 珊瑚礁系统为例

林武辉, 杜陨峰, 余克服, 杜金秋, 莫珍妮, 李英花… - 海洋学报, 2023 - hyxbocean.cn
物质来源是沉积学研究的关键问题. 沉积地球化学是沉积学的重要研究手段,
放射性核素在沉积地球化学中的应用探索仍较为匮乏. 本研究利用高纯锗γ 谱仪同时测量红树林 …