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Anthropogenic climate change drives sea level increases via the thermal expansion of seawater and via the melting of glaciers and of the Greenland and Antarctic ice sheets. According to the 2021 report of the Intergovernmental Panel on Climate Change, global mean sea levels are projected to rise between 0.28 and 1.01m by the year 2100. The consequences of sea level rise include an increased risk of flooding, abrupt shifts in river courses, and the displacement of coastal populations. Advances in remote sensing allow the precise monitoring of local, regional, and global sea level variations, while advances in modeling allow for the increasingly accurate prediction of sea level rise and its complex effects on coastal, estuarine, and riverine areas.
This Collection will highlight research on the causes, consequences, forecasting, and mitigation of rising sea levels.