The dynamics of Rn-222 cyclic flow within the shallow geological subsurface media as a daily temporal variated source for exhalation into the air

A Benkovitz, H Zafrir, Y Reuveni - Science of The Total Environment, 2024 - Elsevier
Extensive research on the dynamics of radon gas (Rn-222) originating from the radioactive
decay of radium (Ra-226) in geological subsurface media, sheds light on its periodic release …

Application of the extreme gradient boosting method to quantitatively analyze the mechanism of radon anomalous change in Banglazhang hot spring before the …

S Zhang, Z Shi, G Wang, R Yan, Z Zhang - Journal of Hydrology, 2022 - Elsevier
Radon concentration in groundwater is affected by meteorological and seismo-tectonic
factors and is sensitive indicators of crustal stress. While previous studies have focused on …

A Novel Assessment of the Surface Heat Flux Role in Radon (Rn-222) Gas Flow within Subsurface Geological Porous Media

A Benkovitz, H Zafrir, Y Reuveni - Remote Sensing, 2023 - mdpi.com
At present, Rn subsurface flow can be described only by diffusion and advection
transportation models within porous media that currently exist. Even though the temperature …

Effect of atmospheric temperature on underground radon: A laboratory experiment

G Haquin, H Zafrir, D Ilzycer, N Weisbrod - Journal of Environmental …, 2022 - Elsevier
The effect of atmospheric temperature on underground radon flow was investigated in a
customized climate-controlled laboratory (CCL) system, which enabled us to isolate the …

Chaotic characteristics and nonlinear prediction of radon exhalation rate in granitoid materials with single fissure roughness variations

M Lan, H Huang, Y He, Y Tang, S Shen - Radiation Physics and Chemistry, 2024 - Elsevier
This study examines the relationship between cumulative radon concentration and fractal
dimension of single fissure in synthetic granite materials, motivated by global radiation …

Modeling radon time series on the North Anatolian fault zone, Turkiye: Fourier transforms and Monte Carlo simulations

A Muhammad, F Külahcı, P Akram - Natural Hazards, 2020 - Springer
Time series studies depend mostly on stochastic models for radon seasonal, annual or
temporal variability explanations. Others solve radon transport steady state equation …

Development of a UAV-based gamma spectrometry system for natural radionuclides and field tests at central Asian Uranium legacy sites

C Kunze, B Preugschat, R Arndt, F Kandzia, B Wiens… - Remote Sensing, 2022 - mdpi.com
Uranium mining and processing had been widespread in Central Asia since the mid-1940s.
However, with the establishment of the newly independent states in the 1990s, many of the …

On fractal dimensions of soil radon gas time series

M Rafique, J Iqbal, SAA Shah, A Alam, KJ Lone… - Journal of Atmospheric …, 2022 - Elsevier
This paper investigates the complexity of soil radon time series (RTS) recorded from March
2017 to April 2018 in Pakistan via RTM 1688-2 monitor, in direct linkage to parallel series of …

[HTML][HTML] Spatial Variations of Physical Characteristics of Soil and Their Role in Creating a Model of a Geogenic Radon Hazard Index (GRHI) in the Kuznetsk Coal …

T Leshukov, K Legoshchin, M Savkina, E Baranova… - GeoHazards, 2024 - mdpi.com
Geographic patterns determine geogenic radon factors that, changing over the territory, form
spatial structures of different scales associated with regional and local variations. The study …

Vertical Light Non-Aqueous Phase Liquid (LNAPL) Distribution by Rn Prospecting in Monitoring Wells

A Briganti, M Voltaggio, E Rainaldi, C Carusi - … Monitoring and Assessment, 2024 - Springer
In the frame of a collaboration between the Italian National Research Council (CNR) and
Mares srl, a study, about the possibility of determining radon vertical distribution at different …