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October 26, 2017 08:00 pm

New Science Suggests the Ocean Could Rise More -- and Faster -- Than We Thought

Chris Mooney, writing for the Washington Post: Climate change could lead to sea level rises that are larger, and happen more rapidly, than previously thought, according to a trio of new studies that reflect mounting concerns about the stability of polar ice. In one case, the research suggests that previous high end projections (PDF) for sea level rise by the year 2100 -- a little over three feet -- could be too low, substituting numbers as high as six feet at the extreme if the world continues to burn large volumes of fossil fuels throughout the century (Editor's note: the link could be paywalled). "We have the potential to have much more sea level rise under high emissions scenarios," said Alexander Nauels, a researcher at the University of Melbourne in Australia who led one of the three studies. His work, co-authored with researchers at institutions in Austria, Switzerland, and Germany, was published Thursday in Environmental Research Letters. The results comprise both novel scientific observations -- based on high resolution seafloor imaging techniques that give a new window on past sea level events -- and new modeling techniques based on a better understanding of Antarctic ice. Further reading: Sea levels to rise 1.3m unless coal power ends by 2050, report says (The Guardian).

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