Rising Sea Levels – The Climate Debate

Iowa Climate Science Education

By Daniel Fitzhenry

The seas and oceans to the east of Australia forms the largest body of water on Earth. This broadly connected vast body of water presents a genuine sea level. The Sydney Fort Denison Recording Station provides stable, accurate and genuine mean sea level data. The following table shows mean sea levels at 10 year intervals and these levels are related to Chart Datum which is at the lowest spring tide level.

100 YEARS OF MEAN SEA LEVELS AT FORT DENISON, SYDNEY:
1914 – 1.11 metres
1924 – 0.98 metres
1934 – 0.98 metres
1944 – 0.97 metres
1954 – 1.00 metres
1964 – 1.09 metres
1974 – 1.09 metres
1984 – 1.02 metres
1994 – 1.04 metres
2004 – 1.08 metres
2014 – 1.12 metres
2019 – 1.05 metres

Accordingly, the mean sea level at Sydney in 2019 is 6 centimetres lower than the mean sea level…

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