Australian Sea-level Change
Records dating from 1837 taken by an amateur meteorologist and a sea level benchmark that was struck on 1 July 1841 on a small cliff on the Isle of the Dead near the Port Arthur convict settlement, when merged with data recorded by modern tide gauges, indicated sea level rise of about 1mm a year.
As of 2003 the National Tidal Centre of the Bureau of Meteorology managed 32 tide gauges, some with records since 1880, for the entire coastline.
Commonwealth Scientific and Industrial Research Organisation (CSIRO) data shows the current global mean sea level trend to be 3.2 mm/yr and the historical total increase from 1880 to 2009 is about 210mm with an average of 1.6 mm/year
Read more about this topic: Current Sea Level Rise, Past Changes in Sea Level
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