Chart 3.5
Sea ice extent, average decadal minimums, by Arctic marine ecoregion, 1980 to 2020
Data table for Chart 3.5
| Average minimum 1980 to 1989 | Average minimum 1990 to 1999 | Average minimum 2000 to 2009 | Average minimum 2010 to 2020 | |
|---|---|---|---|---|
| thousand square kilometres | ||||
| Arctic Basin | 691.1 | 681.7 | 666.6 | 614.9 |
| Western Arctic | 264.2 | 250.8 | 215.8 | 171.6 |
| Arctic Archipelago | 213.4 | 210.6 | 216.6 | 206.8 |
| Eastern Arctic | 125.6 | 114.4 | 79.8 | 63.2 |
| Hudson Bay Complex | 26.3 | 20.2 | 10.8 | 12.1 |
|
Notes: Seasonal minimums occur in September. 2020 data are included in the latest decade. Source: Fetterer, F., K. Knowles, W.N. Meier, M. Savoie and A.K. Windnagel, 2017, Sea Ice Index, Version 3, Northern Shapefiles, February, March and September, National Snow and Ice Data Center (NSIDC), Boulder, Colorado, USA, https://doi.org/10.7265/N5K072F8 (accessed July 13, 2020). |
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