Claim: ‘Post Glacial Rebound is a Myth’

The Marshes in Jamaica Bay, New York are drying and dying from the shoreline outward. The EPA has spent 55 Million to dredge and flood the inshore area once again and replant marsh grasses in an attempt to sustain the marshlands. These attempts are ad hoc measures for in a few years the marsh will go dry again. Loot at an aerial view of Idlewild Airport in the fifties and compare the view with aerial photos of JFK today. Where has all the water in the Jamaica Bay area gone over those 50 years. You showed a photo of La Guardia Airport and the land fill created for it. Please do the same for Idlewild Airport built in 1948 now JFK. You will see that the water surrounding the entire airport in 1948 is gone. To build Idlewild Airport 1000 acres were dumped up in Jamaica Bay and the airport was surrounded with marshlands. Today they are all gone. The East Coast of the United States has lost most of it coastal wetlands since colonial times. New Jersey only discovered the phenomenon because of aerial photography since 1922.

Watts Up With That?

NOTE: (I had this at the bottom of the post some people missed it so I moved it up to the top) I’m not convinced that this idea has any merit whatsoever, as I see more conventional reasons (like silting) for land recovery such as at Rome’s original harbor and in New York, but thought it was worth posting for the discussion that would ensue. Even bad science deserves to be discussed/disproven. See also a note below.  – Anthony

Isostacy is a major Geological error.

Guest essay by Richard Guy

The Governments of the United States and Canada are concerned about the ebbing water levels in the Great Lakes. For years the water levels in the great lakes and other lakes have been declining without any signs of ever returning to previous levels. The best news is that there is no hope that the water levels will ever return…

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Post Glacial Rebound Myth


The Governments of the United States and Canada are concerned about the ebbing water levels in the Great Lakes. For years the water levels in the great lakes and other lakes

have been declining without any signs of ever returning to previous levels. The best news is that there is no hope that the water levels will ever return. The bad news is that we have our heads stuck in the sand dunes which have been created on the shores of the great lakes as they recede.  


What we have also failed to notice is that the process is speeding up faster than our ability to grasp the reality. The fact is that this process of ebbing lake and water levels has been going on since pre history but we are just becoming aware of it as more and more shoreline inhabitants observe the phenomenon.


Another major deterrent to our overall realization is that our  thought processes are hampered, among other things, by the media hype of rising sea levels and Post Glacial Rebound. Post Glacial Rebound is a geological error which has been foisted on us for a long time. It is time that we outlaw this false concept of Glacial Rebound and release a new era of exiting discoveries which have remained hidden by this mistaken premise.


Isostatic Rebound was introduced into Geological theology over one hundred years ago and it has lead us astray. This theory of Iostacy was based on an original error in deduction. The error in deduction was that the land rose from the sea. This original error was compounded when the theory of Post Glacial Rebound was built on it. This led us even further away from the truth.  


We will never solve the disappearing water problem until we face the reality that we have been mislead by Iostacy.  We have to face this reality because this reality is now facing us: we are losing water all over the planet while we continue to harp on rising seas levels.  


Once we abandon Isostatic Rebound we will see the reality of receding seas. This path will also lead us to other interesting discoveries such as why the seas recede.?  Once we accept that seas are receding that acceptance will automatically eliminate Post Glacial Rebound. There is no time to waste because our survival depends on this acceptance.


What is really occurring is that the sea levels have been falling from pre historic times. Rivers have been draining the land and the lakes since pre-historic times. As Sea levels fall lower and lower the draining process moves faster and faster and we lose our wetlands as more and more land is left behind by the receding seas. Sand dunes now line the shores of the great lakes where people used to swim and boats used to be moored. Many marinas have been deserted leaving boats stranded on sand bars.  This is also a cause of the amount of arid land which is increasing worldwide.


So it is wise at this stage to give the lie to rising sea levels and accept receding sea levels. This will not stop the water loss but it will make us understand what we have to do in order to preserve what little water we do have left.


New York is learning about receding seas because the marshes in Jamaica Bay are disappearing and drying up. New Jersey is dealing with the receding sea by selling off the new land left by the sea to Donald Trump and Playboy Hotels and Casinos. Donald Trump built his Taj Mahal Casino on these lands left by the receding sea.  


Now that The State of New Jersey has discovered the land bonanza they are gaining as the sea recedes they have been looking over old survey maps to find out where the sea was back in 1776. They are proposing to claim retroactive taxes from landowners who have occupied these lands back to those historical times. They estimate that they have accumulated 830000 acres of land from the sea since 1776.  The State of New York can make a similar claim as it includes long Island the Sounds and Brooklyn Shorelines. An exhibition by the New York Library in 2010 showed the mapping of the New York shoreline over three hundred years. The entire New York coastline has gained a quarter mile of land over that period.

So when we see the water levels falling in the Great lakes that is only the tip of the iceberg. Those levels have been falling for a very long time and will continue to do so. If we want to get  a picture of what our earth will eventually look like just look at the face of the Planet Mars.


The first order of business is to get rid of the Isostatic Rebound theory and accept that our seas are receding as our planet expands. The sea is not rising. We will then see why our lakes are going dry. We will also understand that the only thing we can do about it is to keep dredging our waterways harbours and lakes to keep things moving.  That was all three Emperors of Rome could do to keep the Harbour at Ostia open: they were finally defeated. It took Nero, Trajan and Articus one hundred years of dredging before they gave up the fight against the receding sea. Today Ostia is three miles from the sea and twenty feet above sea level.


The Port Authority in New York is having to blast bedrock, for the first time, to keep the harbour channels open. The sea keeps getting shallower and the seagoing vessels keep getting larger. Ships keep demanding deeper depths.  


Our Planet Earth is dynamic. It is a masterful creation not unlike other planets in the Cosmos.  The earth does not reveal her secrets readily and her secrets are often presented to us as a mirror image of what is really happening. So when we observe that land is rising it may just be a mirror image: our seas are receding.





Richard Guy is a Structural Engineer. P.Eng, Mse, West London University. He has worked in several countries worldwide. He has written three books on Receding Seas and allied Phenomena. He lectures, writes and does radio and TV interviews. 

He has built Airports, Refineries, Highways on lands left behind by the receding sea.

For books email: or call: 867-445-8012 or 867-873-3266.

See: See: The Mysterious Receding Seas” on Google and