Scientific Reports 6: Article number: 38529; published online: 06 December 2016; updated: 17 May 2017

In Figure 1, the latitudes ‘80.5 N’ and ‘81.0 N’ were incorrectly given as ‘81.0 N’ and ‘81.5 N’ respectively. In addition, the scale between 0 km and 40 km was incorrectly given as between 0 km and 80 km. The correct Figure 1 appears below as Figure 1.

Figure 1
figure 1