The context of the observed sea level evolution during the altimetry era (since 1993) is discussed with regards to the past sea level variation in Church and White (2011) and Meyssignac and Cazenave (2012). (climate.copernicus.eu)
However, the mean sea level variations inferred from the remnants of the Roman era suggest that a similar high rate of increase may have occurred more than 2,000 years ago. (link.springer.com)
Long term sea level variations are primarily determined with two different methods.» (climatedepot.com)