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Fig. 1
Study site location. On the left: measurement site (limnimetric column and water gauge).
Fig. 2
Hourly changes of the lake’s water temperature in individual months.
Fig. 3
Daily course of water temperature in Lake Kierskie in the monthly cycle (mean value from the years 2012–2018).
Fig. 4
Daily water temperature fluctuations in Lake Kierskie (May 2012–January 2018).
Fig. 5
Daily water temperature fluctuations in Lake Kierskie in particular months.
Fig. 6
Relationship between monthly average water temperature and monthly average air temperature.
Fig. 7
Course of water temperature (blue lines) in Lake Kierskie and a) air temperature (red line) and b) wind speed (orange line) for station Poznań-Ławica in 3-hours interval (May 2012–January 2018).
Fig. 8
Water temperature fluctuations in Lake Kierskie (blue lines) and a) air temperature (red line) and b) wind speed fluctuations (orange line) for station Poznań-Ławica in 3-hours interval (May 2012–January 2018).