Briefing on Arctic and Antarctic sea ice - July 2021
years and the 1981-2010 average with ± 1 and 2 standard deviation intervals indicated by the shaded areas. Data are from the National Snow and Ice Data Center (NSIDC). Extent was well below average in all seas north of Siberia (Kara, Laptev and East Siberian Seas) but was nearer average in the Beaufort