Sea Level Predictions

Observed sea level rise since 1970 from tide gauge data (red) and satellite measurements (blue) compared to model projections for 1990-2010 from the IPCC Third Assessment Report (grey band).  Sea level rises mainly as a result of melting land ice and thermal expansion of ocean water as temperatures rise.  Observed sea level is tracking at the upper range of the IPCC projections.  (Source: The Copenhagen Diagnosis, 2009)

Note: A version of this graphic without the added text can be found here.

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