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Table 3: Implementation example of ship ice classes w.r.t. ice floe thickness
| Ice class | WMO description of the ice regime | Thickness of ice floes | |
| PC 5 | Medium first-year ice | All year around operation | |
Assisted | IA Super (PC6) | Medium first-year ice | hi, up to about 100 cm (summer/autumn) | |
IA (PC7) | Medium first-year ice | hi, up to about (summer/autumn) 80 cm | ||
IB | Thin first-year ice | hi, up to about (summer/autumn) 60 cm | ||
IC | Thin first-year ice | hi, up to about (summer/autumn) 40 cm | ||
The indicator will be visualized as showing the off-limits areas for different ship ice classes w.r.t. climate projects for different periods. Figure 11 shows an example output for a ship ice class for the month of Sep. in two different decades (2025-2035 and 2055-2065); the results are based on RCP8.5 climate scenario.
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