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Evidence suggests the Sahara desert is not a NATURAL formation

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Evidence suggests the Sahara desert is not a NATURAL formation


Tadrart Acacus desert in western Libya, part of the Sahara. Image Credit: Wikipedia


So who ‘created’ the Sahara desert?

The Sahara, the largest desert in the world, was not always the arid region we see today. More than 10,000 years ago, the gigantic expanse of dunes we see today was in fact a green meadow ‘flooded’ with lakes.

The drastic change in the landscape was often attributed to an alteration in Earth’s orbit, but a new hypothesis suggests that it was humans who were behind the transition of the Sahara to the inhospitable desert we see today.

A new study concluded that our species played a fundamental role in the creation of the desert.

A new article published in Frontiers in Earth Science by archeologist David Wright of Seoul National University defies the conclusions of most of the studies to date that indicate changes in Earth’s orbit or natural changes In vegetation as major driving forces that turned the Sahara into a massive desert.

To test his hypothesis, Wright reviewed the archaeological evidence documenting the first grazing occurrences throughout the sub-Saharan region and compared this to records showing the spread of scrub vegetation, an indicator of ecological change towards desert conditions.

According to reports, it all began some 8,000 years ago when African neolithic communities started experimenting with pastoral agriculture near the river Nile. This technique gradually moved westwards and as communities spread, they introduced large quantities of livestock and an increasing amount of vegetation was removed to graze and house them.

This massive change reduced the ground to scrub which left almost no protection from the sun’s rays. This increased the amount of sunlight which was reflected off our planet’s surface, which changed atmospheric conditions.

According to experts, this caused a reduction in monsoon rainfall which in turn led to further desertification and vegetation loss.

Throughout the years, this cycle eventually spread out ‘terraforming’ an area as big as the US into the desert we see today.

Much remains to be done to fill the gaps, but Wright believes there is a lot of information hidden beneath the surface: “There were lakes everywhere in the Sahara at this time, and they will have the records of the changing vegetation, ” Dr. David Wright said in a statement.

“We need to drill down into these former lake beds to get the vegetation records, look at the archaeology, and see what people were doing there. It is very difficult to model the effect of vegetation on climate systems. It is our job as archaeologists and ecologists to go out and get the data, to help to make more sophisticated models.”

Despite taking place several thousand years ago, the implications of humans who are responsible for environmental and climatic degradation are easy to see.

With approximately 15 percent of the world’s population living in desert regions, Wright highlights the importance of the finding: “The implications of how we change ecological systems have a direct impact on whether humans can survive indefinitely in arid environments.”

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17 Comments
  • sharon anderson

    hogwash. i suggest the saharra was the result of man yes but not agriculture. more like nuclear war.

    • Cathy Shepherd

      Interesting hypothesis. Nuclear war at least 8,000 years ago? I rather doubt it.

      • Michael Nimchan

        Civilization is much older than catholicism is revealing. The west has always been hodwinked into believing that we are the only ones and humanity is a few thousand years old. But Vedic text has records of civilizations reaching a higher technological stage than we have achieved so far only to destroy themselves like we are trying to do right now. The sahara, middleeast and mediteranean areas were the centres of hostility and hence got the most destruction. So if we did not learn from the past, pretty soon we are going to start nuking each other in the middle east and destroy this planet

        • Cathy Shepherd

          If there was nuclear war 8,000 years ago, which I admit is possible, it was not initiated or developed by native humans. I tend to believe that Mars was made barren by nuclear wars, so sure, it could happen here, but I think it was done by aliens to this planet. But who truly knows?

        • Waykent

          Every Roman Catholic I know believes in evolution. The Church has no problem with evolution as well.

        • UntrollableRiderOfAPurplePony

          Please stop.

    • UntrollableRiderOfAPurplePony

      Hogwash?
      No nuclear war sorry. Stop being a whackjob please.

  • Dockemeyer

    I had been thinking the Sahara formed as a result of the ice age ending. During the ice age, it’s location allowed it to be a green place with vegetation. Not too hot…

  • Michael Nimchan

    Rubbish all of it. Eastern ancient text has recorded evidence of a nuclear destruction by a previous civilization. ALL the deserts around the world came into existence because of this

    • UntrollableRiderOfAPurplePony

      There is a discussion about this very subject over in the science channel and its quite intelligent stuff.

      Your tripe however is just astounding.

      So to press on detail, you emphasised ALL deserts. Even the 1/2 dozens or so Australian deserts too huh? Were there big nasty ancient nuclear wars here too?

      • Michael Nimchan

        Yep

        • UntrollableRiderOfAPurplePony

          I see.
          Oh dear oh dear.

          • youhaveamlppfp

            you have a mlp pfp

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  • Right On, Buddy

    I am of the idea that the Sahara desert is the result of nuclear fusion. This idea comes from the thick glass under the dunes

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