> In the worst-case scenario, in which sea levels rise by six feet by 2100, ... Where does six feet come from? It seems very suspicious. It contradicts NOAA Sea Level Trends data of tide gauge measurements, going back to 1930 and sometimes earlier. According to the map, in almost all places in US the projected sea level trend is no more than 1-1.5 feet by 2100: https://tidesandcurrents.noaa.gov/sltrends/sltrends.html…
There's a major research initiative taking place right now into Thwaites Glacier, as unexpectedly fast melting is occurring. It's thought this is due to warm saltwater penetration underneath the glacier but other factors are being considered. The issue with Thwaites Glacier is it has a tapered edge that generally resists thawing, but that widens out to a huge contact surface area once erosion by salt water progresses…
[0] - https://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/201...