arctic_sea_ice_sept_2017.pdf
in the satellite record (Figure 2). It is 1.59 million sq km below the 1981-2010 average and 1.25 million square km above the record low extent of 3.39 million square km, which occurred in 2012. Figure 2: Arctic sea ice minima from 1979 to 2017 according to the NSIDC Sea Ice Index. Figure 1: Daily