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Official Journal of the Asia Oceania Geosciences Society (AOGS)

Table 1 Annual cumulative sea-ice production for major coastal polynyas

From: Global view of sea-ice production in polynyas and its linkage to dense/bottom water formation

Polynya

Total ice productiona

Averaged ice productionb

(km3/year)

(m/year)

Southern Hemisphere

Cape Darnley

127 ± 12

8.2 ± 0.8

Mackenzie Bay

57 ± 5

8.0 ± 0.8

Barrier

58 ± 7

6.8 ± 0.8

Shackleton

79 ± 7

6.5 ± 0.6

Vincenness Bay

60 ± 4

6.9 ± 0.5

Dalton

31 ± 3

5.7 ± 0.5

Dibble

52 ± 8

6.1 ± 0.9

Mertz

125 ± 19

7.6 ± 1.2

Terra Nova Bay

53 ± 5

8.4 ± 0.8

Ross Ice Shelf

253 ± 17

7.5 ± 0.5

Amundsen

83 ± 13

6.6 ± 1.0

Bellingshausen

52 ± 12

6.1 ± 1.4

Ronne Ice Shelf

27 ± 11

4.7 ± 1.9

Northern Hemisphere

Storfjorden

15 ± 2

4.0 ± 0.5

Franz Josef Land

44 ± 5

4.0 ± 0.5

Novaya Zemlya

71 ± 16

3.8 ± 0.9

Chukchi Sea

25 ± 7

3.7 ± 1.0

Canadian Archipelago

20 ± 4

4.2 ± 0.7

North Water (NOW)

152 ± 24

5.3 ± 0.8

Northeast Water (NEW)

15 ± 6

5.5 ± 2.2

Anadyr & St. Lawrence

140 ± 27

4.6 ± 0.9

Okhotsk Northwestern

400 ± 52

4.7 ± 0.6

  1. Mean values are presented with their standard deviations. The calculation was performed for the 9 winters (September–May) of 2002/2003–2010/2011 in the Northern Hemisphere and for the nine winters (March–October) of 2003–2011 in the Southern Hemisphere, using ERA-interim data. The locations of the polynyas are indicated in Figs. 2, 3, 4, 5
  2. aThe cumulative production is integrated over the polynya area defined as the area of pixels with the annual ice production of >3 m/yr
  3. bThe annual ice production, represented by ice thickness (m), is averaged over the polynya area