Radon time-series analysis in the underground low-level laboratory in Belgrade, Serbia

Udovičić, V.; Aničin, I.; Joković, D.; Dragić, A.; Banjanac, R.; Grabež, B.; Veselinović, N.

doi:10.1093/rpd/ncr074

Cited by 13 publications

(14 citation statements)

References 4 publications

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“…This points out only on the more emphasized presence of the stochastic component in indoor 222 Rn concentration for the Y09 than for the Y10 data set. This can be attributed to the changed influence of indoor air temperature and relative humidity on 222 Rn concentration [34]. However, in contrast to that the values of the KLO are different (Y09 -0.302 and Y10 -0.323).…”

Section: Indoor 222 Rn Concentration Dynamicsmentioning

confidence: 90%

“…The device consists of two diffused junction photodiodes as a radon detector, and is furnished with sensors for temperature, barometric pressure and relative humidity. The user can set the measurement intervals from 10 min to 24 h. The radon monitor device records radon and atmospheric parameters readings every 10 min in the underground laboratory [34]. We have analyzed the indoor 222 Rn concentration time series corresponding to the data obtained from the Low-Background Laboratory for Nuclear Physics at the Institute of Physics in Belgrade (Serbia) for the period 1 January -31 December 2009 and 2010 with N = 4173 data points for each time series.…”

Section: Indoor 222 Rn Concentration Dynamicsmentioning

confidence: 99%

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Novel measures based on the Kolmogorov complexity for use in complex system behavior studies and time series analysis

et al. 2014

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Abstract:We propose novel metrics based on the Kolmogorov complexity for use in complex system behavior studies and time series analysis. We consider the origins of the Kolmogorov complexity and discuss its physical meaning. To get better insights into the nature of complex systems and time series analysis we introduce three novel measures based on the Kolmogorov complexity: (i) the Kolmogorov complexity spectrum, (ii) the Kolmogorov complexity spectrum highest value and (iii) the overall Kolmogorov complexity. The characteristics of these measures have been tested using a generalized logistic equation. Finally, the proposed measures have been applied to di erent time series originating from: a model output (the biochemical substance exchange in a multi-cell system), four di erent geophysical phenomena (dynamics of: river ow, long term precipitation, indoor Rn concentration and UV radiation dose) and the economy (stock price dynamics). The results obtained o er deeper insights into the complexity of system dynamics and time series analysis with the proposed complexity measures.

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Section: Indoor 222 Rn Concentration Dynamicsmentioning

confidence: 90%

Section: Indoor 222 Rn Concentration Dynamicsmentioning

confidence: 99%

Novel measures based on the Kolmogorov complexity for use in complex system behavior studies and time series analysis

et al. 2014

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“…Radon monitoring in the underground low-background laboratory with the passive and active devices [16]; radon laboratory for chemical etching of the track detectors and automatic counting of the tracks by optical microscopy [17]; modelling of the indoor radon behaviour [18].…”

Section: University Of Belgrade Institute Of Physics Belgrade Low-bmentioning

confidence: 99%

First steps towards national radon action plan in Serbia

et al. 2016

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Radon problem has a special attention in many countries in the world and the most of them have established national radon programmes. The radon issues in Serbia have not been approached in a systematic and organized way. Currently, there are many research groups and institutions working in radon field, and it is a good basis to integrate all these activities into a comprehensive national programme to define the strategic objectives and action plan for the next few years. Also, Serbia as a candidate for membership in the EU is obliged to harmonize its legislation, including the field of radiation protection in which the radon issues has an important role. In this report, a brief history of radon research, present status and plans for the future activity on radon issues in Serbia are presented. Regarding the long-term plans, the establishment and implementation of the Radon Action Plan with the primary goal of raising awareness about the harmful effects of public exposure to radon and implementing a set of measures for its reduction. In that sense, the synergy between the national, regional and local organizations responsible for public health and radiation protection must be achieved.

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“…Measurements of radon concentrations, room temperature, atmospheric pressure and relative humidity inside the laboratory were obtained using radon monitor. The results obtained from the measurements of radon concentrations and their infl uence on gamma and cosmic ray measurements in the laboratory were published in several articles in international scientifi c journals [4][5][6].…”

Section: Short-term Radon Measurements In Laboratory and Real Environmentioning

confidence: 99%

The use of multivariate analysis of the radon variability in the underground laboratory and indoor environment

et al. 2016

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Abstract. The paper presents results of multivariate analysis of variations of radon concentrations in the shallow underground laboratory and a family house, depending on meteorological variables only. All available multivariate classifi cation and regression methods, developed for data analysis in high-energy physics and implemented in the toolkit for multivariate analysis (TMVA) software package in ROOT, are used in the analysis. The result of multivariate regression analysis is a mapped functional behaviour of variations of radon concentration depending on meteorological variables only, which can be used for the evaluation of radon concentration, as well as to help with modelling of variation of radon concentration. The results of analysis of the radon concentration variations in the underground laboratory and real indoor environment, using multivariate methods, demonstrated the potential usefulness of these methods. Multivariate analysis showed that there is a potentially considerable prediction power of variations of indoor radon concentrations based on the knowledge of meteorological variables only. In addition, the online system using the resulting mapped functional behaviour for underground laboratory in the Institute of Physics Belgrade is implemented, and the resulting evaluation of radon concentrations are presented in this paper.

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Radon time-series analysis in the underground low-level laboratory in Belgrade, Serbia

Cited by 13 publications

References 4 publications

Novel measures based on the Kolmogorov complexity for use in complex system behavior studies and time series analysis

Novel measures based on the Kolmogorov complexity for use in complex system behavior studies and time series analysis

First steps towards national radon action plan in Serbia

The use of multivariate analysis of the radon variability in the underground laboratory and indoor environment

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