Rising Sea Levels – The Climate Debate

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.

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 at Sydney in 1914 when the Bureau Of Meteorology commenced recording Mean Sea Level.

High Sea Levels during Storm, Cyclone & Low Pressure Events.

Ill-informed commentators have asserted that sea levels may permanently rise by 1 to 2 metres in the next 100 years. 100 years of records on the largest water body on Earth indicates that this is incorrect.

There have always been short period storm and low pressure rises in sea levels. The highest recorded sea level at Sydney occurred during the 1974 low pressure storm. The sea level rose to 30 cm above high spring tide level for one day. During recorded history there has been no indication whatsoever of a 100 to 200 cm permanent rise in sea level.

There will always be short period storm, cyclone and low pressure rises in sea levels in close proximity to cyclone and storm centres. These storm centre rises in sea levels are not permanent.

Ocean swells and storm waves can exceed 16 metres during major storm surge events. It is these massive waves that have caused significant damage to coastal and island communities in the past. It is certain that huge storm event waves will occur in the future and will cause significant damage to the island and low lying communities. Coastline and flood zone protection is the sane answer to storm event damage.

It is polite and essential that the world population should avoid incorrect climate nonsense. We need to divert the alarmist energy to caring for the planet. Cease polluting the oceans. Prevent development of flood prone land and threatened coastal zones that have been, and will always be, subject to flooding.

Dan Fitzhenry.
Capt. Daniel Fitzhenry – CPHS1 Hydrographic Surveyor – Registered Surveyor – Dip. Environmental Studies (Macq.)
Steven Fitzhenry – B.Eng. (Civil) Sydney – MIE Aust. – Maritime Civil & Structural Engineer – Project Manager
Capt. Adam Fitzhenry – B. Eng. Honours (Civil) Syd, MBA AGSM – Maritime Civil & Structural Engineer – Oceanographer
Ellie Fitzhenry – B.Sc (Sydney) – Marine Biology & Ecology – Marine Science
Capt. Paul McGaw – ROV Operations Manager – Electrical & Mechanical Engineer
Tracey Hay – B.A (Macq) – Project Coordinator – IT, Statistics & Research Manager

PDF version: https://carbon-sense.com/wp-content/uploads/2019/07/sydney-sea-levels.pdf [196 kB]

via The Carbon Sense Coalition


July 14, 2019 at 06:03AM

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