61 
Bundesamt für Seeschifffahrt EISUBERSICHTSKARTE Nr. 19 
und Hydrographie Jahrgang 82 Rostock, 19.02.2009 
0-No stage of development - 
1 - Newiœ 
2 - Ni las, ice rind (<10 cm ) 
3- Young ice (1 0-30 cm) 
4- Grey ice (10-15 on) 
5 - Grey-white iœ (15-30 cm) 
6 - Fi rst-year ice (30-200 cm) 
7 - Thin fir<t-year ice (30-70 cm) 
8- .... first stage (30-50cm) 
9- ...secondstage (50-70cm) 
1. Medium f.-y. ice (70-120 cm) 
F-FORM (FLOE S EE) 
0-Pancake ice (<3m) 
1 -Bræh ice, 
small ice cake (<2m) 
2- Ice cake (<20m) 
3- Smallfloe (20-100 m) 
4 - M edium floe(100-500 m ) 
5- Big floe (500-2000 m) 
6- Väst floe(2000-10000 m) 
7- Giant floe (>10000 m) 
0-Fast ice 
Abbildung 5.11. Eisübersichtskarte vom 19. Februar 2009 mit der maximalen Eisausdehnung 
Figure 5.11. General ice chart of 19 February 2009 showing maximum extent of ice cover