Table 1. Egg Codes for Stages of Ice Development (S_x Codes)

Stage of Development for Sea Ice

Code Figure

New Ice-Frazil, Grease, Slush, Shuga (0-10 cm)

1

Nilas, Ice Rind (0 - 10 cm)

2

Young (10 - 30 cm)

3

Gray (10 - 15 cm)

4

Gray - White (15 - 30 cm)

5

First Year (30 - 200 cm)

6

First Year Thin (30 - 70 cm)

7

First Year Thin - First Stage (30 - 70 cm)

8

First Year Thin - Second Stage (30 - 70 cm)

9

Medium First Year (70 - 120 cm)

1•

Thick First Year (>120 cm)

4•

Old - Survived at least one season's melt (>2 m)

7•

Second Year (>2 m)

8•

Multi-Year (>2 m)

9•

Ice of Land Origin (Icebergs)