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Title: Runoff Flutuation in River Basins of Different Size in Regard to Meteorological Conditions
Authors: Bagdžiūnaitė-Litvinaitienė, Lina
Vertelkaitė, Vilma
Keywords: runoff
river
precipitation
air temperature
climate
basin
flow
Issue Date: 2011
Publisher: Vilniaus Gedimino technikos universitetas
Citation: Bagdžiūnaitė-Litvinaitienė, L.; Vertelkaitė, V. 2011. Runoff flutuation in river basins of different size in regard to meteorological conditions, in The 8th International Conference “Environmental Engineering”: Selected papers. Ed. by D. Čygas, K. D. Froehner, May 19–20, 2011 Vilnius, Lithuania. Vilnius: Technika, 519–524.
Abstract: It is very important to keep a close watch on river runoff, because this is one of the indicators that show changes in the climate. Meteorological conditions alter with climate getting warmer and therefore influence river runoff. The purpose of this article is to determine the influence of the changing meteorological conditions to the runoff of different size river basins. Two river basins are being analysed (Venta by Papile and Krazante by Pluskiai), both located in Western hydrological area. The average daily flow and meteorological data (precipitation and average temperature) are of the period 1968–2008. It shows the most watery years for the rivers and helps evaluate the influence of the meteorological conditions to the runoff. Statistical and regressive analysis and coefficients of correlation are established as well. Evaluated influence of percipitation is unquestionable though variable. Sometimes even a small amount of percipitation challenges big changes in runoff, though next time having big percipitation runoff flactuates just marginally. In large river basins such influence is noticable few days later, and in small ones percipitation often changes the runoff the same day.
URI: http://dspace1.vgtu.lt/handle/1/1257
ISBN: 978-9955-28-831-2
ISSN: 2029-7106 print
2029-7092 online
Appears in Collections:Konferencijų straipsniai

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