Roczna i dobowa zmienność temperatury gruntu na polanie śródleśnej w Wielkopolskim Parku Narodowym
Annual and diurnal variability of soil temperature in a forest clearing in the Wielkopolska National Park

Summary/Abstract: The aim of this study is to investigate the distribution of soil temperature in a forest clearing in the Wielkopolska National Park. The results of measurements of ground temperature at depths of 0, 5, 10, 20, 50 and 100 cm at the UAM Ecological Station in Jeziory were analyzed. Characterization of the annual and diurnal course and the thermal stratification of the soil in the period 2002–2015 was made. The variability of soil temperature gradients between levels at different depths was investigated. During the warm period there is a lapse, and in the cold period an increase in the temperature with depth. In March and September a reversal of the thermal profile takes place in the ground.

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