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ISSN 2029-7092 online
ISBN 978-609-457-690-4 CD
ISBN 978-609-457-640-9
 Water Engineering

Lina Bagdžiūnaitė-Litvinaitienė, Andrius Litvinaitis

Anthropogenic Activity Impact on the Small River Catchment Water Quality

Conference Information: 9th International Conference on Environmental Engineering, MAY 22-24, 2014 Vilnius, LITHUANIA
Source: ICEE-2014 - International Conference on Environmental Engineering
Book Series: International Conference on Environmental Engineering (ICEE) Selected papers
ISSN: ISSN 2029-7092 online
ISBN: 978-609-457-640-9 / 978-609-457-690-4 CD
Year: 2014
Publisher: Vilnius Gediminas Technical University Press Technika

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One of the main river water quality and environmental problems in Lithuania is pollution with biogenic and organic substances. Urban wastewater and diffuse source pollution from agricultural areas are the main sources of river water pollution with biogenic substances. Hydrochemical indicators of tendencies of change for the period of 1992–2010 were analyzed as well as the change of point pollution for the period of 2000–2010. The study included a field study, assessing the impact of point pollution in Šilutė town on the river Šyša water quality. The FYRIS model estimated the change in the impact of general nitrogen on the river Šyša diffuse and point water pollution for the period of 1997–2006. Statistical correlations between the observed concentrations in the water quality and those modelled were made.

Keywords: water quality; surface water; modelling; biogenic substances.

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