But the year's worth of data that has arrived from Titan has allowed him to check his studies against new observational data and to improve his assessment of the impact of data uncertainties. (sciencemag.org)
Until then, we have some new observational data of Canadian sea ice thickness and this remarkable figure of sea ice volume since 1979 from Neven's Arctic Sea Ice Blog, based on data from the University of Washington's Polar Science Center [click to enlarge]: (thinkprogress.org)