5 
Table 1.1. Areas of observation 
Area of observation 
Latitude 
N 
Longitude 
E 
Number of 
winters 
Number of 
winters with ice 
Frequency of 
ice occurrence 
Dziwnöw, harbour 
54°0r 
14°44' 
25 
20 
80% 
Dziwnow, sea area 
54°0r 
14°44' 
26 
21 
81% 
Szczecin, harbour 
53°24' 
14°37' 
30 
26 
87% 
Trzebiez, Rostoka Odrzanska 
53°40' 
14°32' 
26 
21 
81% 
Zalew Szczecinski 
53°45’ 
14°25' 
19 
16 
84% 
Swinoujscie - Szczecin, fairway 
53°45' 
14°25' 
30 
25 
83% 
Swinoujscie, harbour 
53°55' 
14° 14' 
30 
26 
87% 
Swinoujscie, sea area 
53°55' 
14°14' 
30 
23 
77% 
Kamminke, harbour and vicinity 
53°52' 
14°13' 
28 
28 
100% 
Ueckermünde, Szczecin Lagoon 
53°45' 
14°04' 
30 
28 
93% 
Koserow, sea area 
54°03' 
14°00' 
30 
21 
70% 
Kamin, Szczecin Lagoon 
53°51' 
13°52' 
30 
29 
97% 
Dates of the first and the last ice 
Days with ice and duration of ice season 
—o—Days with ice —»—Length of ice season 
Figure 1.2. Ice conditions of Kamin, Szczecin Lagoon, period 1961-1990