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THE INFLUENCE OF PRECIPITATION ON THE STATE OF URBAN RIVER QUALITY ON EXAMPLE ORUNKI CREEK
 
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Katedra Hydrologii, Uniwersytet Gdański, Bażyńskiego 4, 80-952 Gdańsk
 
 
Publication date: 2016-09-09
 
 
Corresponding author
Roman Cieśliński   

University of Gdańsk, Department of Hydrology, Bażyńskiego 4, 80-952 Gdańsk, Polska
 
 
Inż. Ekolog. 2016; 49:151-161
 
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ABSTRACT
One of the objectives of this work was to study the catchment and watercourse response to precipitation. The study area covered the Potok Oruński, located in northern Poland, in the city of Gdansk. The study period using cartographic materials took years 1908–2000, and field research covered the period from May 2009 to April 2010. Additionally, experimental measurements were conducted to observe the dynamics of changes occurring in the brook during rainfall. The rainfall of 1.3 mm caused an eleven fold increase of the flow, a twofold increase of the water level and a fourfold increase in the velocity of the water molecules. It turns out, that the maximum flow rates is an important variable when assessing the potential risks.
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