Arctic sea ice hits its minimum extent for the year – 2 NASA scientists explain what's driving the overall decline
- Written by: Alek Petty, Associate Research Scientist in polar sea ice variability, NASA
Arctic sea ice has been declining overall since NASA began tracking it by satellite in the 1970s.Miemo PenttinenSeptember marks the end of the summer sea ice melt season and the Arctic sea ice minimum, when sea ice over the Northern Hemisphere ocean reaches its lowest extent of the year.
For ship captains hoping to navigate across the Arctic,...
