Clue to rising sea levels lies in DNA of 4m-year-old octopus, scientists say
Genes of Turquet’s octopus hold memories of melting of previous Antarctic ice sheet, raising fears of what another thawing could bring
Source: theguardian.com
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antarctica conundrum...
Climate change is expanding Antarctica's sea ice, according to a scientific study in the journal Nature Geoscience. The paradoxical phenomenon is thought to be caused by relatively cold plumes of fresh water derived from melting beneath the Antarctic ice shelves. This melt water has a relatively low density, so it accumulates in the top layer of the ocean. The cool surface waters then re-freeze more easily during Autumn and Winter. This explains the observed peak in sea ice during these seasons, a team from the Royal Netherlands Meteorological Institute (KNMI) in De Bilt says in its . Cl...
Source: yourdemocracy.net.au