Arctic Sea Ice Decline Continues

In September, Arctic sea ice coverage reached the second-lowest level recorded since the dawn of the satellite era, according to observations from the NASA-supported National Snow and Ice Data Center at the University of Colorado. While slightly above the record-low set in September 2007, this season further reinforces the strong negative trend in summer sea ice coverage observed during the past 30 years. In March, when the Arctic reached its annual maximum sea ice coverage during the winter, scientists from NASA and the data center reported that thick, older sea ice was continuing to decline. NASA developed the capability to observe the extent and concentration of sea ice from space using passive microwave sensors.

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