Today's Proceedings of the (US) National National Academy of Sciences includes a paper on the mass loss from the Antarctic ice sheet since 1979.
Our resident gullible denialists have told us that the Antarctic ices sheet hasn't been shrinking, which happens to be incorrect.
-- Bill Sloman, Sydney
On Wednesday, January 23, 2019 at 9:12:29 AM UTC-5, snipped-for-privacy@ieee.org wrote :
ludes a paper on the mass loss from the Antarctic ice sheet since 1979.
et hasn't been shrinking, which happens to be incorrect.
Looks like radar measurement of ice thickness is limited, working to any de pth only on ice with a smooth surface so clutter reflection is predominantl y specular.
Some time during 2018 a team in the west antarctic did a more detailed surv ey of sounding the bottom with small explosives. This yielded the most accu rate mass measurements to date, and also yielded a more realistic scenario for timeframes of major coastal flooding ultimately reaching 24 ft sea rise and in only a matter of a few years. When the ice starts floating out of t he bowl, it will start shedding hitherto unseen ice mass into the ocean as it breaks apart.
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