The paper contains results of hydrological researches conducted by Institute of Environmental Protection and Development Wrocław University of Environmental and Life Science in the Nowy Rów river catchment up to the Brodno cross section in period from May 1995 to October 2010. Nowy Rów is a river partly situated in the Odra valley; its catchment is characterized by small inclinations, agriculture use, large area of forest located mainly in the north and east part. Mean annual unit outflow in analyzed period was 2.73 dm3 · s–1 · km–2, and in winter half-year and summer half-year respectively 3.59 dm3 · s–1 · km–2 and 1.8 dm3 · s–1 · km–2. Mean annual index of outflow was 87 mm, in winter half-year 58 mm and in summer half-year 29 mm.

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