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Posted on 06/13/2025 2:27:01 PM PDT by george76
Why this story matters..
The discovery of a prehistoric river valley and forested landscape beneath the East Antarctic ice sheet sheds light on the continent's ancient climate and may improve scientific understanding of Antarctica's response to climate change.
Ancient Antarctic landscape..
Uncovering evidence of rivers, valleys, and dense forests beneath Antarctica can enhance understanding of the continent's prehistoric environment and biodiversity.
Climate history and change..
The findings provide valuable information about past warm and even tropical conditions, aiding scientists like in predicting how the Antarctic ice sheet might react to future climate shifts.
Warm climate..
Researchers believe Antarctica featured a much warmer climate with lush forests and rivers more than 30 million years ago.
Discovery..
Scientists made the discovery by drilling into an ice sheet in eastern Antarctica and using satellite imagery and radar.
Impact..
Geologists believe the ongoing study will help spark further discoveries about the past climate of Antarctica and the potential impact of climate change.
Full story..
Antarctica wasn’t always a frozen landscape. In fact, it may have once featured lush forests, palm trees, and rivers, according to new research published in the journal Nature Communications.
“This finding is like opening a time capsule,” Professor Stewart Jamieson, who co-authored the study, told The Economic Times.
Groundbreaking study..
Researchers began the study in 2017, extracting sediment from the once-thriving ecosystem frozen in time for tens of millions of years beneath the ice, The Jerusalem Post reported. They drilled more than a mile underneath the ice and used satellite imagery to explore what the ancient environment may have looked like some 34 million years ago.
According to Jamieson, the prehistoric landscape of Antarctica remains very much a mystery to researchers.
“The land underneath the East Antarctic ice sheet is less well-known than the surface of Mars,” Jamieson said. “We’re investigating a small part of that landscape with more detail to see what I can tell us about the evolution of the landscape and the evolution of the ice sheet.”
What researchers found..
With the help of advanced technology, scientists detected land divided by rivers and valleys roughly 25 miles wide and with depths of nearly 3,900 feet. Geologists believe the landscape underneath the ice located in the eastern part of the continent spans more than 12,000 square miles — roughly the size of Maryland.
What findings suggest ..
The study indicates that the ancient land developed prior to the first large-scale freeze over of Antarctica, when the supercontinent known as Gondwana began to break apart. The shift in tectonic plates led to deep cracks and created mountainous terrain.
The Economic Times reported that during this prehistoric period, the landscape featured rivers and dense tree cover, and the climate was warm or even tropical.
“It’s difficult to say exactly what this ancient landscape looked like, but depending on how far back you go, the climate may have resembled modern-day Patagonia or even something tropical,” Jamieson said.
Researchers said samples taken from beneath the ice also reveal much more biodiversity in organisms, suggesting a much warmer climate than today.
Ultimate goal..
Scientists aim to study the once-hidden landscape even more, including how it was formed, to help them more accurately forecast melting on the continent now.
“It is remarkable that this landscape, hidden in plain sight for many years, can tell us so much about the early and long-term history of the East Antarctic ice sheet,” Professor Neil Ross, a geophysical expert as well as a co-author of the study, told the Daily Mail. “It also helps us understand how it might evolve in response to future climate change.”
“We’ll continue exploring the landscape, doing our best to fill in gaps where surveys don’t exist,” Jamieson said, adding they intend to use the information “to understand how the ice sheet and its underlying landscape have changed over their long history.”
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Oh good. I was looking for a new place to go camping in the forest.
Is this the same land delinated on the Piri Reis map?
Ah, the good ole Eocene epoch. I live on Eocene-aged rocks here.
South African Scientists Stranded in Antarctic Base Plead for Help as Mission Member Sexually Harasses and Threatens To Kill a Colleague..
https://freerepublic.com/focus/f-news/4304872/posts
Now....about global warming...
Go research “Global Axcess Tilt”. The globull warming cult should as well. A weird thing that involves history.
https://www.youtube.com/watch?v=ltNMWNjB8GE
The Land Unknown... 1957.
(Trivia, the T-Rex head was later “Spot” under the stairs on the Munsters)
Within that is another cycle: we're still in the Holocene Glacial period. Think of the below graph as expansion of the far right of the top graph. The Holocene Glacial (far right of the below graph) is a relatively short cooling phase, within the larger Quaternary glaciation that is warming.
And within that is the Modern Warm Period that we've been in since the 1800's.
Perhaps Noah’s flood, flooded it.
Beneath the Antarctic ice: Gondwana’s lost world revealed by modern technology..
jpost.com/science/article-856909
Ruh roh! New news.
If this is news how come I already knew this?
Seems like I read about this a few years ago too.
You just know there has got to be oil down there.
A fun little story I penned about this very subject...enjoy!
http://www.arxpub.com/TarpeianRock/TR_2015_Cretaceous_Carol.html
There are ancient trees and rivers under the Sahara Desert.
We used to joke in archeology that in a thousand years, future excavations will find quite a lot of Golden Arches. Is it a cult?
Also, In a few thousand years, the Great Cold will return. I would love to have a glimpse into the future Ice Age Comedy Channel, with viewers shivering as they laugh at AlGore and his minions yelling: “The Earth Has A Fever.”
I think the Piri Reis map is a good indication that the Antarctic has been frozen for far less than our “scientist” would have us believe.
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