Global glacier change in the 21st century: Every increase in temperature matters

for communities ranging from the coast to the of iceberg calving and submarine melt) of For +1.5°C, the rate of sea level rise peaks at high mountains. [...] For the +3°C and +4°C scenarios, the rate of sea-level rise fromGreenland Periphery, Antarctic and Subantarctic, and Arctic Canada North each nearly equal or exceed Alaska near the end of the century, with Antarctic and Subantarctic and Arctic Canada North accelerating through- out the 21st century. [...] Percent of glaciers projected determining whether the complete deglacia- to vanish between 2015 and 2100 tion of regions occurs by the end of the 21st for global temperature change century. [...] The glaciers nificant contributors to sea level rise, people are binned according to their initial in these regions will need to adapt to changes glacier area and the numbers below in seasonal and annual runoff as the addi- each bin (shown in gray) refer to the tional water provided by glacier net mass loss percentage of the total number of will decline before 2050 as the glaciers retreat glaciers. [...] Fraction of global and regional mass remaining at 2100, relative to 2015, as a function of able to offset the increased melt for the various global mean temperature change by 2100 relative to preindustrial levels.