Satellites and submarines give the skinny on sea ice thickness

Arctic sea ice thickness down 53 percent

This summer, a group of scientists and students

Analysis of the new record shows that since a peak in 1980, sea ice thickness has declined 53 percent. “It’s an astonishing number,” Kwok said. The study, published online August 6 in Geophysical Research Letters, shows that the current thinning of Arctic sea ice has actually been going on for quite some time.