Arctic sea ice drops to record low- September update
The extent of sea ice in the Arctic dropped to a new record minimum last week, according to researchers at the University of Bremen in Germany, who used high-resolution microwave data from a sensor on board NASA’s Aqua satellite. At 4.24 million square kilometers, sea-ice cover on 8 September was 27,000 square kilometers smaller than the previous record low, observed in 2007. Melting on the surface of the ice (pictured, during a NASA ICESCAPE research mission in July) has already ended, but late-season ice loss may continue, say scientists with the US National Snow and Ice Data Center, in Boulder, Colorado, as warm water continues to melt the ice from below.