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Sea level rise at the end of the Ice Age

20 October 2025
Catastrophism, Climate change, Environmentalism, Geology

At https://phys.org/news/2025-10-north-american-ice-sheets-drove.html … a research paper with some questions we might flag. We are told  melting ice sheets in North America played a greater role in driving global sea level rise at the end of the last Ice Age than scientists had previously thought. Between 8000 and 9000 years ago retreating ice sheets in North America resulted in 10m, or 30 feet, of global sea level rise. For years, we are told, scientists assumed Anatarctica was the major contributor. Not sure this is entirely correct as not too long ago Broekner proposed it was an influx of cold water as a result of an emptying of a glacial lake where the great lakes now exist. Presumably this idea was discarded and scientists turned to Antarctica. It seems this new study is bringing us back to a fresh water surge in the North Atlantic.

You may also note we are not talking about the end of the last Ice Age when global sea levels changed much more dramatically around 15,000 years ago. That was followed a couploe of thousand years later by the Younger Dryas event where cold weather returned to northern Europe, as an example. A glacier relocated itself on Rannoch Moor in the process but there was no major glaciation in southern Scotland or northern England – as far as I can tell. In other words, we are back to the 6200BC event – sometimes 8000 + years ago in the literature. The  mainstream mantra is that a surge in sea level, and cold weather coincided with a fresh water pulse from somewhere. This is of course a theory – not a fact. Broekner seems to have retracted his idea but it seems others think it might  have legitimacy. There is of course a good deal of common sense around this idea but what might cause a  sudden fresh water pulse. That is the nub.

We are then informed that record breaking sea levels more than 8000 years ago requires effective drilling and extraction of sediment cores from the sea. We are then informed the research discovered deeply buried marshland sediments on the opposite side of the Mississippi from New Orleans. Are we in Bayou country? This is extradordinarily similar to finds in the Solent, of the coast of southern Britain. A drowned landscape that included a Mesolithic boat yard and several metres thick beds of peat overlaying it. In Britain this is firmly dated to the 6200BC event but the authors do not seem to want to provide a direct link to that earlier research. Why? The research has a distinct focus on global warming and the idea of heightening alarmism around the sea level rise threat – which probably doesn’t exist. We simply don’t know why sea levels  rose sharply at that time – but various locations around the world display evidence of dramatic change. Not least in the drowned continental shelf systems of NE America and NBW Europe – and the drowning of the North Sea basin. It also involved dramatic changes in Indonesia with the drowning of Sundaland. HOwever, the research claims they used sediment cores from SE Asia which showed a much lower range of sea level rise. This is  why they now claim the Antarctic could not have been responsible as that would have led to higher sea level rise in SE Aisa – completely ignoring the Indonesia evidence from earlier studies. However, although it may be true that melting glaciers could cause a steady rise in sea level globally there is another way that it could happen. Suddenly. As catastrophism is ignored by mainstream we can assume they did not factor such an idea into their study. It is the process of a shift in the axis of rotation, involving electromagnetic processes and movement of the earth’s dipole, resettling in a slightly different location that previsously. The waters of the ocean would simply realign to the new geoid. Some areas of the world would be drowned and other areas, under the water, would become dry land, as Earth’s equatorial bulge re-aquainted itself with the new equator. The flat zone at the poles would also be re-aligned. The beauty of this theory is that it would explain the changes in ground level that went on to create Niagara Falls or the pulse of Mediterranean waters into the Black Sea. Not only that it would explain the sudden drowning of the Gulf – giving rise to the Sumerian flood myth. At the same time the southern basin of the North Sea was filled with water from the north. This usually said to be as a result of huge changes off the coast of Noway and research has found the edge of the continental shift did experience a collapse. Whether this alone caused the sea to swamp the southern basin is open to question as a tectonic event would last a short time and the sea would retract to its former shores. This did not happen. The change was permanent. The waters did not recede but remained covering not just the North Sea but the continental shelf all around Britain and Ireland. A tectonic event off the coast of Norway could not have caused that – but the collapse at the edge of the continental shelf  system in Norway could have been inaugurated by a slight shift in the axis of rotation. Not onlly that we have the evidence from geology that the ridge that runs across Cornwall into Devon’s Dartmoor is a granite  formation that is diving on a gradual incline. It must have been upright at one time which would have meant the Scilly Isles would have been much larger and more prominent. At the moment this is thought to have occurred deep in geological history. However, by upraising the continental shelf there would have been a staightening of the granite spine. Various other features would also be explained by such a shift. Even the  so called Mid Holocene climate optimum that followed on from the cold spell at 6200BC.

 

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