Study Finds Evidence Of A Warmer South Pole

by Prachee published on -

While we hear often about how the earth has been through several phases of extreme climate changes such as the ice ages, new evidence is ready to shed some light on a warmer time on earth. According to new research by a team of scientists from the UK and Germany, about 90 million years ago, the earth was warmer than what it was thought to be.

Palm trees facing the beach

The South Pole was once green. Photo Credit: Shutterstock

The conclusions of this study are based on evidence such as analysis of the preserved roots, pollen and spores from the Cretaceous period. This was gathered from forest soil from within 900 kilometers of the South Pole. This also reveals that the levels of carbon dioxide during the mid-Cretaceous period, which was about 115-80 million years ago, were higher than previously assumed.

Lead author Dr. Johann Klages, from the Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research said, “Before our study, the general assumption was that the global carbon dioxide concentration in the Cretaceous was roughly 1000 ppm. But in our model-based experiments, it took concentration levels of 1120 to 1680 ppm to reach the average temperatures back then in the Antarctic.”

The Cretaceous period is marked to be somewhere between 145 to 66 million years ago and was the last of the three periods of the Mesozoic era. The mid-Cretaceous period was also a prime time for dinosaurs. On the basis of the evidence discovered, scientists compare the vegetation in the region to present-day New Zealand, despite the four-month polar night.

The results of this study have now been published in the Nature journal.

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About the Author

Prachee is a content writer for Organic Facts and is responsible for writing on the latest wellness trends. A former Journalism & Media teacher, she prides herself on being able to seamlessly dabble between health, science, and technology. She has completed her Masters in Communication Studies from the University of Pune, India as well as an online course on “Introduction to Food and Health” from Stanford University, US. Prachee fancies herself to be a poet and a cook when the rare lightning of inspiration strikes.

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