<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The Różany Strumień catchment located in the north of Poznań is an example of a small anthropogenically-induced catchment. The main aim of this study is to analyse the variability of selected physical and chemical properties of surface waters in the catchment area in the years 1988-2012. It was found that surface waters in the catchment can be classified as hard and very hard, with slightly basic pH. The deterioration of Różany Strumień water quality concerns chemical oxygen demand, conductivity, chlorides, sodium, ammonia nitrogen and nitrite nitrogen concentrations. The authors of the study have noticed a decrease in the amount of phosphates and sulphates in the water. As observed, the hydrogeochemical type of water changed from calcium-hydrogen carbonate-sulphate into calcium-sodium-hydrogen carbonate-sulphate-chloride. Changes in water chemistry are probably a result of anthropogenic impacts, and they can be associated with the transformation of land use in the catchment area, i.e. the ongoing urbanization of the area.</p></abstract>

The Różany Strumień catchment located in the north of Poznań is an example of a small anthropogenically-induced catchment. The main aim of this study is to analyse the variability of selected physical and chemical properties of surface waters in the catchment area in the years 1988-2012. It was found that surface waters in the catchment can be classified as hard and very hard, with slightly basic pH. The deterioration of Różany Strumień water quality concerns chemical oxygen demand, conductivity, chlorides, sodium, ammonia nitrogen and nitrite nitrogen concentrations. The authors of the study have noticed a decrease in the amount of phosphates and sulphates in the water. As observed, the hydrogeochemical type of water changed from calcium-hydrogen carbonate-sulphate into calcium-sodium-hydrogen carbonate-sulphate-chloride. Changes in water chemistry are probably a result of anthropogenic impacts, and they can be associated with the transformation of land use in the catchment area, i.e. the ongoing urbanization of the area.

Physical and Chemical Properties of Surface Waters in the Różany Strumień Catchment in The Years 1988–2012

Institute of Physical Geography and Environmental Planning, Adam Mickiewicz University in Poznań,

Quaestiones Geographicae

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The Różany Strumień catchment located in the north of Poznań is an example of a small anthropogenically-induced catchment. The main aim of this study is to...

Physical and Chemical Properties of Surface Waters in the Różany Strumień Catchment in The Years 1988–2012

Publié en ligne: 16 mars 2017

Pages: 33 - 49

Reçu: 06 déc. 2016

DOI: https://doi.org/10.1515/quageo-2017-0003

Mots clés
Różany Strumień, urban catchment, water quality indicators, hydrochemistry

© Faculty of Geographical and Geological Sciences, Adam Mickiewicz University

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Physical and Chemical Properties of Surface Waters in the Różany Strumień Catchment in The Years 1988–2012

Publié en ligne: 16 mars 2017

Pages: 33 - 49

Reçu: 06 déc. 2016

DOI: https://doi.org/10.1515/quageo-2017-0003

Mots clésRóżany Strumień, urban catchment, water quality indicators, hydrochemistry

© Faculty of Geographical and Geological Sciences, Adam Mickiewicz University

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
Różany Strumień, urban catchment, water quality indicators, hydrochemistry