In this research article, Rounce et al. project how mountain glaciers, perennial ice masses excluding the Greenland and Antarctic ice sheets glaciers will be affected under global temperature increases of 1.5° to 4°C, finding losses of one quarter to nearly one half of their mass by 2100. Their calculations suggest that glaciers will lose substantially more mass and contribute more to sea level rise than current estimates indicate.
These glaciers are a critical water resource for nearly two billion people and are threatened by global warming. Glacier mass loss affects sea level rise, water resources, and natural hazards.
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