ice

 station

grid

 station

event #

latitude (S)

longitude (W)

Date

Julian

date

ice conditions

(observed prior to sampling)

core #

snow

depth (m)

ice

thickness (m)

freeboard

 (m)

1

Crystal Sound CTD Stn. 3

21802.006

66 33.98

67 32.45

06-Aug-02

218

10/10 coverage; 7/10 coverage by level small (20-100m)-to-medium (100-500m) first-year (FY) floes (z = 40-65cm, snow = 10cm); 3/10 coverage by large brash/FY ice chunks w/ snow cover

1

0.2

0.7

0.065

2

0.23

0.79

0.04

3

0.22

0.71

0.07

4

0.23

0.84

0.07

5

0.2

0.85

0.08

2

Crystal Sound CTD Stn. 4

21902.009

66 31.92

67 37.84

07-Aug-02

219

10/10 coverage; 7/10 coverage by level large (500-2000m) FY floes (z = 50cm, snow = 20cm); 2-3/10 coverage by medium floes (z = 50-70cm) w/ 10-20% areal ridge coverage (0.5-1.0m ave.sail height)

6

0.2

0.44

-0.015

3

transit station

22102.014

67 11.52

70 33.86

09-Aug-02

221

10/10 coverage by vast (>2000m) FY floes (z = 50-80cm) w/ 10-20% areal ridge coverage (1.0m ave. sail height); formed via cementation of cake and small floes

7

0.07

1.1

0.09

8

0.35

1.4

-0.07

4

77

22402.020

68 51.75

75 07.07

12-Aug-02

224

10/10 coverage by vast FY floes (z = 50-80cm, snow = 10-20cm) w/ 10% areal ridge coverage (1.0m ave. sail height); algal coloration visible in >40% of overturned floes

9

0.18

1.78

0.08

10

0.09

0.68

0.05

11

0.07

0.65

0.01

12

0.26

0.65

0.01

13

0.13

0.61

0.015

14

0.08

0.67

0.01

5

82

22602.004

68 46.70

76 46.84

14-Aug-02

226

10/10 coverage by vast FY floes (z = 50-60cm, snow = 0-20cm windpacked snow) w/ 25% areal ridge coverage (0.75m ave. sail height)

15

0.08

0.56

0.05

16

0.1

0.42

0.03

6

72

22702.025

68 35.23

74 05.72

15-Aug-02

227

9/10 coverage (open lead within 1km) by vast FY floes (z = 50-70cm, snow = 20cm) w/ 10-15% areal ridge coverage (1.5m ave. sail height)

17

0.34

1.95

0.06

18

0.1

2.15

0.15

7

65

22902.033

68 05.49

74 44.72

17-Aug-02

229

9/10 coverage (lead in distance) by vast FY floes (z = 50-70cm, snow = 10-15cm) w/ 10-20% areal ridge coverage (0.75m ave. sail height)

20

0.1

0.72

0.03

21

0.13

0.7

0.03

22

0.19

0.68

0.01

23

0.16

0.69

0

24

0.21

0.87

0

25

0.23

0.79

0.02

26

0.28

0.96

0.04

27

0.27

0.9

0.025

8

Gould Stn. 2

23102.001

67 32.71

71 39.32

19-Aug-02

231

8-9/10 coverage by vast FY floes (z = 60-80cm, snow = 20cm) w/ 15-25% areal ridge coverage (1.0m ave. sail height)

28

0.21

0.61

0.045

29

0.15

0.54

0

30

0.1

0.56

0.01

31

0.1

0.59

0.02

32

0.15

0.56

0.02

33

0.18

0.55

0.03

9

43

23202.001

67 15.94

72 31.84

20-Aug-02

232

10/10 coverage by vast FY floes (z = 60-150cm, snow = 10-20cm) composed of cake (<20m)-to-small floes consolidated together; 25-30% areal ridge coverage (1.5m ave. sail height)

34

0.14

0.97

0.055

35

0.14

1.32

0.11

36

0.11

0.91

0.015

37

0.17

0.89

0.015

38

0.09

0.73

0.015

39

0.07

0.98

0.02

10

44

23302.002

67 01.38

73 24.51

21-Aug-02

233

10/10 coverage; 9/10 coverage by vast FY floes (z = 40-60cm, snow = 15-20cm) w/ 15% areal ridge coverage (0.5m ave. sail height); 1/10 coverage by thicker/older FY floes (z = 100cm, snow = >20cm)

40

0.25

0.91

0.02

41

0.25

1.4

0.08

42

0.21

1.42

-0.005

11

45

23302.014

67 13.99

74 28.92

21-Aug-02

233

10/10 coverage; 9/10 coverage by vast FY floes (z = 50-60cm, snow = 20cm) w/ 20-40% areal ridge coverage (0.75m ave. sail height); 1/10 coverage by small-to-medium second-year/multi-year floes (MY) floes (z = >300cm, snow = >80cm); MY floe sampled

43

0.85

2.9

ND

12

64

23502.006

67 30.93

75 05.55

23-Aug-02

235

10/10 coverage; 9/10 coverage by vast FY floes (z = 50-60cm, snow = 20cm) composed of cake and small floes cemented together; 1/10 coverage by small-to-medium second-year/MY floes floes (z = >300cm, snow = 75cm) w/ 15-25% areal ridge coverage (0.5-0.75m ave. sail height); MY floe sampled

44

0.97

2.96

ND

45

0.83

3.13

0.005

13

62

23602.003

67 48.76

74 11.35

24-Aug-02

236

10/10 coverage by vast FY floes (z = 50-90cm, snow = 10-20cm) w/ 15% areal ridge coverage (1.0 ave. sail height)

46

0.18

0.84

0.13

47

0.2

0.83

0.075

48

0.12

0.49

0.04

14

49

23702.018

68 03.71

71 34.37

25-Aug-02

237

10/10 coverage; 7/10 coverage by vast FY floes (z = 60-90cm, snow = 10-15cm) w/ 25% areal ridge coverage (1.0m ave. sail height); 3/10 coverage by young gray/young gray-white ice in recently frozen leads

49

0.08

0.89

0.07

15

40

23902.007

67 56.24

70 53.85

27-Aug-02

239

10/10 coverage by vast FY floes (z = 60-80cm, snow = 15-20cm) w/ 40% areal ridge coverage (1.5m ave. sail height); ridges under heavy lateral pressure - difficult boat maneuvering

50

0.18

0.73

0.07

51

0.16

0.73

0.05

52

0.16

0.68

0.015

53

0.22

0.8

0.02

54

0.25

0.77

0.02

16

26

24102.003

67 06.82

72 00.22

29-Aug-02

241

10/10 coverage by vast FY floes (z = 100cm, snow = 20cm) w/ 20% areal ridge coverage (1.0m ave. sail height); under-ice surface extensively under-rafted by brash/ice blocks

55

0.35

1.01

0.04

56

0.29

0.34

0.03

57

0.3

1.35

0.04

58

0.35

1.08

0.09

17

2

24402.023

65 47.92

70 22.46

01-Sep-02

244

9/10 coverage; 1/10 coverage by cake-to-small second-year/MY floes (z = >100cm, snow = 100cm) w/ heavy ridging/hummocks; 5/10 coverage by cake-to-small FY floes (z = 40-60cm, snow = 30cm) w/ 20-30% areal ridge coverage (0.75m ave. sail height); 3/10 coverage by brash ice/broken pancakes; rounded edges to floes indicate extensive and recent exposure to swell; complex ice field

59

0.56

2.27

-0.03

60

0.56

2.27

-0.03

61

0.2

0.9

0

62

0.2

0.92

0

18

12

24602.005

66 06.02

70 51.94

03-Sep-02

246

8-9/10 coverage; 4/10 coverage by cake FY floes (z = 40-60cm, snow = 20cm) w/ 15% areal ridge coverage (0.5m ave. sail height); 3/10 coverage by pancakes (some cemented to form young gray ice sheets; z = 15-20cm, no snow); 1/10 coverage by brash ice

63

0.15

0.59

0.05

64

0.17

0.58

0.03

65

0.07

0.56

0.02

66

0.04

0.5

0.045

67

0.15

0.58

0.065

68

0.15

0.6

0.09

19

16

24702.027

66 44.57

70 10.43

04-Sep-02

247

9/10 coverage by vast FY floes (z = 60->100cm, snow = 15-40cm) w/ 20-30% areal ridge coverage (1.5-2.0m ave. sail height); highly variable snow and ice thicknesses

69

0.14

0.62

0.02

70

0.09

0.68

0.02

71

0.32

1.98

0.02

72

0.11

0.67

0.03

73

0.11

0.63

0.03

20

21

24902.024

67 02.61

70 42.80

06-Sep-02

249

9-10/10 coverage by vast floes composed of a mixture of younger FY ice (z = 65cm, snow = 20-30cm) and older FY/second-year ice (z = >120cm, snow = 20-30cm) w/ 25% areal ridge coverage (1.5m ave. sail height)

74

0.34

0.55

0.1

75

0.27

0.59

0.04

76

0.37

1.18

0

77

0.28

0.65

-0.01

78

0.34

0.59

0.1

79

0.4

0.65

-0.03

80

0.4

0.65

-0.03

21

17

25102.014

66 57.71

69 29.69

08-Sep-02

251

8/10 coverage; 2/10 coverage by thick small-to-medium older FY floes (consisting of consolidated rubble; z = >300cm, snow = >50cm) w/ 50-70% areal ridge coverage (1.5m ave. sail height); 2/10 coverage by brash/rubble chunks from break-up of older FY floes; 4/10 coverage by young gray/young gray-white ice

81

0.3

2.97

0.22

22

5

25202.022

66 24.27

68 22.71

09-Sep-02

252

9-10/10 coverage by level vast FY floes (z = 40-60cm, snow = 20-30cm) w/ 5-10% areal ridge coverage (0.5m ave. sail height); surface flooding/seawater intrusion at ice-snow interface

82

0.1

0.58

0.02

83

0.21

0.54

0

23

Renaud Island Station

25402.012

65 10.13

65 36.60

11-Sep-02

254

7-8/10 coverage; 6/10 coverage by medium FY floes (z = 50-80cm, snow = 20-30cm wet snow) composed of consolidated ice chunks, cake floes and brash w/ 5-15% areal ridge coverage (0.5-0.75m ave. sail height); surface flooding/seawater intrusion at ice-snow interface of primary ice type; 1/10 coverage by young gray ice (z = 10-15cm, no snow); 1/10 coverage by nilas (z = 5cm)

84

0.2

0.67

0

85

0.29

0.69

-0.01

86

0.2

0.49

-0.03

87

0.18

0.44

0