Authors: A.V. Glushkov, O.Yu. Khetselius, N.G. Serbov, Yu.Ya. Bunyakova, A.K. Balan, V.V.Buyadzhi
Year: 2015
Issue: 19
Pages: 88-94
Abstract
This paper presents the advanced quantitative studying results of a pollution dynamics for variations hydroecological systems, namely, the nitrates and sulphates concentrations dynamics for a number of the Small Carpathians river’s watersheds in the Eastern Slovakia. The different methods and algorithms of the chaos theory (chaos-geometric approach) and dynamical systems theory have been used in the advanced versions. New more exact data on chaotic behaviour of the nitrates and sulphates concentration time series in the watersheds of the Small Carpathians are presented. To reconstruct the corresponding attractor, the time delay and embedding dimension are needed. The parameters are determined by the methods of autocorrelation function and average mutual information. Besides, there are used the advanced versions of the correlation dimension method and algorithm of false nearest neighbours. The Fourier spectrum of the concentration of nitrates in the water catchment area Ondava: Stropkov for the period 1969 – 1996 is listed.
Tags: chaos theory methods; hydroecological systems dynamics; nitrates and sulphates concentrations; studying and forecasting; the Small Carpathians river’s watersheds
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