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Type of publication: research article
Type of publication (PDB): Straipsnis kitose duomenų bazėse / Article in other databases (S4)
Field of Science: Fizinė geografija / Physical geography (N006)
Author(s): Pauliukevičius, Henrikas
Title: Mažos upės nuotėkio ypatybės metais su sausu šiltuoju laikotarpiu
Other Title: Specific features of small river runoff in years with dry warm season
Is part of: Geografijos metraštis. , T. 37, Nr. 1-2 (2004)
Extent: p. 18-26
Date: 2004
Keywords: Percipitation;Warm period;The River Šušvė basin
Abstract: The paper gives the analysis of the distribution of precipitation in the basin of a small river and presents certain approaches of the runoff formation. The object of the study - the River Šušvė (the length 130.5 km, basin area 1165 km2) basin — itself contains no meteorological stations therefore precipitation was evaluated on the basis of the data collected in the nearby stations located in Dotnuva, Raseiniai and Šiauliai. An obvious difference was observed in the long-term rates of precipitation amounts of certain months. In 2002, the average values of precipitation and runoff were close to the long-term rate though the rainfall distribution was very uneven within the year, what resulted in some extreme seasonal and months by values. The beginning of the year was rather wet; in Kaunas and Raseiniai February was wettest during the whole study period. The warm period was extremely dry. In Dotnuva the April-September period was driest within the whole study period. Considering the data of the meteorological station in Raseiniai, the period mentioned was least abundant in rainfalls in 2002 compared to the annual precipitation rate. During the last 50 years the portion of the total warm period also decreased in the annual precipitation rate. A statistically reliable difference (p <0.05) between the beginning and the end of the period was obtained in two meteorological stations (except for the meteorological station in Šiauliai). Average air temperature of the year increased by 1°C within the period from 1951 to 2002 (p <0.01)
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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