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The land before the beginning of time. How the surface of the planet has changed over the past 100 million years (video)

Technology and science

March 03, 2023 at 13:09


Photo: Dr. Tristan Salles/The University of Sydney | Changes in the Earth’s surface over the past 100 million years brought together

We may not notice, but the surface of the Earth under our feet is constantly moving and now we can see exactly how.

The movements of the Earth’s surface are far from always noticeable to humans, but one way or another they occur, in order to better understand the history of these changes, scientists have created a visual model of how this has happened over the past 100 million years, writes Daily Mail.

During the study, scientists from the University of Sydney in Australia used computer simulations. The program takes into account how climate has affected the movement of sediments by rivers and seas, as well as the movement of tectonic plates. The researchers hope that their “brainchild” in the future will make it possible to predict further climate changes and how they will appear on the surface of our planet.

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According to lead author of the study, Dr. Tristan Salles, in order to understand what the future holds for our planet and humanity as a whole, it is important to understand the past of the Earth. For this, according to scientists, this model was developed. At the same time, the researchers note that this model gives only a fermented idea of ​​how the physical features of our planet were formed.


Salles notes that this model is essentially only an advance, there is no more complete high-resolution model of the interaction of river basins, global erosion and sedimentation covering the history of the planet over the past 100 million years in the world today.

It is important to understand that the landscape of the Earth as we know it today is the result of millions of years of climate change and the movement of tectonic plates. Understanding these processes will allow scientists not only to look into the past millions of years ago, but also to predict what changes we may face in the foreseeable and distant future.


To create this model, the researchers used geological records, and also took into account all the ancient climate data taken into account in a separate computer model. Next, the researchers calibrated their model and tested it by comparing the predictions with real natural processes of sedimentation and water flow.

Previously Focus wrote that scientists showed an amazing video of the movement of tectonic plates.

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