Filtering analysis of soil radon and thoron time series data

A Rasheed, M Rafique - Journal of Radioanalytical and Nuclear Chemistry, 2023 - Springer
Digital signal processing (DSP) is one of the most effective tools that have influenced
science, engineering, and technology in the twenty-first century. Since 1970, advancements …

Singular spectral and control chart analysis of soil radon and thoron time series for forecasting seismic activities

A Rasheed, M Osama, D Nikolopoulos… - Journal of Atmospheric …, 2023 - Elsevier
Anomalies in soil radon (222 Rn) and thoron (220 Rn) time series data (TSD) have been
reported in many studies prior to earthquakes, suggesting both radioisotopes may serve as …

Study of diurnal and seasonal variations in the time series data of soil 222Rn gas

ADK Tareen, M Rafique, M Basharat - International Journal of …, 2021 - Taylor & Francis
The diurnal and seasonal variation study has been performed for soil radon time series
(RTS) data obtained using RTM-1688 radon monitor (SARAD GmbH, Dresden, Germany) …

Singular spectrum and principal component analysis of soil radon (Rn-222) emanation for better detection and correlation of seismic induced anomalies

T Chetia, S Baruah, C Dey, S Sharma… - Nonlinear Processes …, 2019 - npg.copernicus.org
In the recent years there are several reporting's of anomalous seismic induced temporal
changes in soil radon emanation. It is however well known that radon anomalies apart from …

Singular spectrum analysis on soil radon time series (222Rn) in Kachchh, Gujarat, India: detection of periodic oscillations and earthquake precursors

SK Sahoo, M Katlamudi, UL Gakka - Arabian Journal of Geosciences, 2020 - Springer
The influence of various meteorological parameters on the observed time series of soil
radon (222 Rn) in the form of periodic oscillations is profound and well established. An …

Decomposition of continuous soil–gas radon time series data observed at Dharamshala region of NW Himalayas, India for seismic studies

S Dhar, SS Randhawa, A Kumar, V Walia… - … of Radioanalytical and …, 2021 - Springer
Soil–gas radon time series data has been generated at Dharamshala station for seismic
studies in NW Himalayas, India. Compared with the influence of temperature and pressure …

[PDF][PDF] Soil-gas thoron concentration associated with seismic activity

HP Jaishi, S Singh, RP Tiwari, RC Tiwari - Chiang Mai J Sci, 2015 - researchgate.net
Radon is the by-product of the natural decay of radium that is derived from the decay series
of uranium. Radon-220 (or thoron) is one of the three naturally occurring radio isotopes of …

Identifications and removal of diurnal and semidiurnal variations in radon time series data of Hsinhua monitoring station in SW Taiwan using singular spectrum …

A Kumar, V Walia, BR Arora, TF Yang, SJ Lin, CC Fu… - Natural Hazards, 2015 - Springer
Over the past three decades, anomalous temporal changes in radon concentrations have
been reported in relation to earthquake occurrences. However, radon anomalies in all cases …

Monitoring of soil radon by SSNTD in Eastern India in search of possible earthquake precursor

A Deb, M Gazi, J Ghosh, S Chowdhury… - Journal of Environmental …, 2018 - Elsevier
The present paper deals with monitoring soil radon-222 concentration at two different
locations, designated Site A and Site B, 200 m apart at Jadavpur University campus …

Time series analysis of soil radon in Northern Pakistan: Implications for earthquake forecasting

A Barkat, A Ali, U Hayat, QG Crowley, K Rehman… - Applied …, 2018 - Elsevier
Time series analysis of soil radon data has previously been proposed as a mechanism for
earthquake hazard forecasting, but it is not universally accepted as such. Here we perform …