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Issue 5, 2011
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Statistical analysis of trends in organic pollution and pollution by nutrients at selected Danube river stations

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Abstract

The paper describes an application of a statistical analysis for estimating long-term trends in pollutant concentrations of selected pollutants in the Danube river. The results show the changes of concentrations of NH4+-N, NO3-N, PO43-P, total P, BOD5 and CODCr in a ten year period with the aim to find how the concentrations vary in the whole stretch of this river. The study was based on the data collected in the frame of Transnational Monitoring Network of the ICPDR. To obtain plausible results we have chosen statistical methods, such as tests based on the Spearman correlation coefficient and median regression, which are not sensitive to departures from normality as high skewness or outliers.

Graphical abstract: Statistical analysis of trends in organic pollution and pollution by nutrients at selected Danube river stations

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Publication details

The article was received on 09 Aug 2010, accepted on 02 Mar 2011 and first published on 05 Apr 2011


Article type: Paper
DOI: 10.1039/C0EM00376J
J. Environ. Monit., 2011,13, 1435-1445

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    Statistical analysis of trends in organic pollution and pollution by nutrients at selected Danube river stations

    D. Jaruskova and I. Liska, J. Environ. Monit., 2011, 13, 1435
    DOI: 10.1039/C0EM00376J

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