Current Sea Level Rise - Future Sea-level Rise - Projections - After 2100

After 2100

See also: Global climate model#Projections of future climate change

There is a widespread consensus that substantial long-term sea-level rise will continue for centuries to come. IPCC 4 estimated that at least a partial deglaciation of the Greenland ice sheet, and possibly the West Antarctic ice sheet, would occur given a global average temperature increase of 1–4 °C (relative to temperatures over the years 1990–2000). This estimate was given about a 50% chance of being correct. The estimated timescale was centuries to millennia, and would contribute 4 to 6 metres (13 to 20 ft) or more to sea levels over this period.

There is the possibility of a rapid change in glaciers, ice sheets, and hence sea level. Predictions of such a change are highly uncertain due to a lack of scientific understanding. Modeling of the processes associated with a rapid ice-sheet and glacier change could potentially increase future projections of sea-level rise.

Read more about this topic:  Current Sea Level Rise, Future Sea-level Rise, Projections

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