Scientists scramble to avert disruption to dataset that has tracked polar ice since the late 1970s.
That means the most complete and most scientifically significant sea-ice record is at risk of breaking. Any gap in satellite coverage is not just a short-term problem: it would compromise future research, because scientists would not be able to accurately compare observations made before the gap with those from afterward.
“Sea ice is the canary in the coal mine, and the canary’s about to fall off its perch,” says David Gallaher, an expert in satellite remote sensing at the NSIDC.
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At www.scientificamerican.com
At www.scientificamerican.com
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