Nauka Przyroda Technologie

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Sylwester Grajewski
Pluvial conditions in the Zielonka Forest for the period 1987-2008
Summary.

The presented meteorological parameters obtained between 1987 (1986) and 2008 from the meteorological station in Zielonka included: annual, half-year and monthly precipitation sums, snow cover characteristic, drought frequencies and number of days by quantity. The study results indicated the occurrence of changes in the values of the above-specified parameters. From 1987 to 2008 the mean measured precipitation value was 531 mm. In Zielonka nearly five droughts in a year and two-three during the summer half-years were noted. In recent years, a decrease in days with precipitation below 1 mm has been recorded. No indication of the trend decline in the number of days with snow cover or the maximum thickness, but the annual average thickness of snow cover showed minimal downward trend. Among the analysed characteristics of the linear trend, statistically significant (p < 0.05) was found only for the number of days with precipitation, precipitation in June, the number of days with precipitation < 1.00 mm.  

Key words: atmospheric precipitation, climate changes, Zielonka Forest
PDFFull text available in Polish in Adobe Acrobat format:
http://www.npt.up-poznan.net/tom5/zeszyt6/art_119.pdf

For citation:

MLA Grajewski, Sylwester. "Warunki pluwialne w Puszczy Zielonka w latach 1987-2008 ." Nauka Przyr. Technol. 5.6 (2011): #119.
APA Sylwester Grajewski (2011). Warunki pluwialne w Puszczy Zielonka w latach 1987-2008 . Nauka Przyr. Technol. 5 (6), #119
ISO 690 GRAJEWSKI, Sylwester. Warunki pluwialne w Puszczy Zielonka w latach 1987-2008 . Nauka Przyr. Technol., 2011, 5.6: #119.
Corresponding address:
Sylwester Grajewski
Katedra Inżynierii Leśnej
Uniwersytet Przyrodniczy w Poznaniu
ul. Mazowiecka 41
60-623 Poznań
Poland
e-mail: sylgraj@up.poznan.pl
Accepted for print: 26.05.2011