UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS

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Conference: Bucharest University Faculty of Physics 2018 Meeting


Section: Atomic and Molecular Physics. Astrophysics. Applications


Title:
Radon gas time-series analysis during a long time period


Authors:
Muataz Shnawa(1),Octavian G. DULIU,


*
Affiliation:
University Of Bucharest.


E-mail
muataz.shnawa@drd.unibuc.ro


Keywords:
TIME-SERIES ANALYSIS ,RADON GAS ,


Abstract:
It reviews the time series analysis of Radon gas and cyclostratigraphy and stresses the detection of variations potentially associated with astronomical forcing. Methods of interpolation, smoothing, filtering, and spectrum estimation are presented, with special emphasis on the Thomson multitaper estimator. Synthetic and real-data examples that use basic MATLAB® functions and custom scripts accompany the presentations. This is followed by an introduction to noise modeling and hypothesis testing. Time-frequency analysis of non-stationary data is addressed with evolutionary spectrograms and complex signal analysis. To find time series (TSA) and Cross-spectral analysis ( CSA) for radon in any region of the world and in particular where there is in clear quantities. Using software in Statistic analysis its PAST 3.2 and Statsoft TM Statistica 11. Radon time series exhibit a complex temporal structure and large variability on multiple scales. Wavelets are therefore particularly suitable for the analysis on a scale-by-scale basis of time series of radon concentrations. The objective of this presentation is to the concurrent monitoring of these parameters shows the correlation between temporal variations of radon concentration and meteorological parameters. Also, the radon time-series analysis used to study the possible correlation between the anomalous behavior of the radon concentration and the local earthquakes. As well as make a work studies daily or weekly, monthly, seasonal or annual. To know the rates of concentrations of Radon gas during the seasons of the year. To find out the reasons for increasing the concentration of Radon gas and to find solutions and take the necessary precautions. Make comparisons between certain regions of the world or cities of time series of Radon gas.


References:

[1]. Graham P. Weedon. Time -Series Analysis and Cyclo stratigraphy. United States by Cambridge University Press, New York. September 2005.

[2]. S. M. Barbosa,1 G. Steinitz,2 O. Piatibratova,2 M. E. Silva,1 and P. Lago1. Received 18 March 2007; revised 15 June 2007; accepted 16 July 2007; published 15 August2007.

[3]. NelidaFlorea, O.G. Duliu*. Eighteen years of continuous observation of Radon and Thoron progenies atmospheric activity. University of Bucharest, Department of Atomic and Nuclear Physics, P.O. Box MG-11, 077125 Magurele, Ilfov, Romania. Accepted 1 October 2011.

[4]. G. Steinitz1, O. Piatibratova1, and N. Charit-Yaari2.Influence of a component of solar irradiance on radon signals at 1 km depth, Gran Sasso, Italy. Accepted: 10 December 2012 – Published: 14 December 2012.

[5]. G. Steinitz and O. Piatibratova. Radon signals in the Gavnunim intrusion, Makhtesh Ramon, Israel. Received 2009 October 14; in original form 2009 July 1.

[6]. G. Steinitz1, O. Piatibratova1, and N. Charit-Yaari2.Influence of a component of solar irradiance on radon signals at 1 km depth, Gran Sasso, Italy. Accepted: 10 December 2012 – Published: 14 December 2012.

[7]. G. Steinitz*, O. Piatibratova, P. Kotlarsky. Possible effect of solar tides on radon signals. accepted 1 April 2011.Available online 7 May 2011.

[8]. S. M. Barbosa,1,2 H. Zafrir,1 U. Malik1 and O. Piatibratova1. Accepted 2010 May 12. Received 2010 April 12; in original form 2009 May 18.

[9]. Begin, Z.B. & Steinitz, G., 2005. Temporal and spatial variations of microearthquake activity along the Dead Sea Fault, Israel J. Earth Sci., 54, 1–14.

[10]. Clements, W.E. & Wilkening, M.H., 1974. Atmospheric pressure effects on Rn-222 transport across the Earth-air interface, J. Geophys. Res., 79, 5025–5029.

[11]. Finkelstein, M., Eppelbaum, V. & Price, C., 2006. Analysis of temperature inuences on the amplitude-frequency characteristics of Rn gas concentration, J. Environ. Radioact., 86, 251–270.



Acknowledgement:
To my supervisor. And to all who helped me.