32 
0 100 200 300 400 500 600 700 
Sum of coldness in °C 
Figure 3.2. Dependence of the max. ice thickness in Ueckermiinde, Kamminke and Kamin 
on the sum of coldness in Szczecin Lagoon in the winters 1961 - 1990 
0 100 200 300 400 500 600 700 
Sum of coldness in °C 
Figure 3.3. Dependence of the mean max. ice thickness on the sum of coldness in Szczecin 
Lagoon in the winters 1990/91, 1991/92, 1992/93, 1993/94, 1994/95, 1995/96, 
1996/97, 1997/98, 1998/99