Scientists Uncover Big Clue as to How Antarctica's Mysterious Blood Falls Came to Be
Researchers found 167 samples from Blood Falls contained microbes tied to marine environments, suggesting the subglacial brine likely came from seawater.
- On Monday, researchers published a study in Nature Geoscience confirming that microorganisms in Antarctica's Blood Falls originate from ancient seawater, providing molecular evidence for the brine's marine source beneath Taylor Glacier.
- Scientists have long studied the dramatic crimson outflow caused by iron-rich brine oxidizing upon contact with air; while previous geochemical research suggested an ancient marine origin, the specific source of this trapped reservoir remained a mystery for years.
- Analyzing 167 samples, the team found that 9.34% of eukaryotes at the glacier terminus were shared with nearby oceanic samples, compared to only 1.15% at surrounding sites, indicating a strong marine affinity.
- Andrew Allen, a marine biologist at the Scripps Institution of Oceanography, noted the brine acted as a refuge, allowing an ancient marine community to persist for at least 1.5 million years amid Antarctica's dramatic environmental changes.
- Researchers wrote that this study establishes a foundation for future work on how relict ecosystems illuminate past environmental change and future polar vulnerability, offering insights into life's resilience in extreme conditions.
13 Articles
13 Articles
Under the Taylor Glacier in Antarctica, there is an ancient marine world – frozen for thousands of years, cut off from the ocean. And still alive.
In a particular area in Antarctica there is always an impressive natural phenomenon: the bloodfalls. This is called a waterfall where dark red salt water flows directly into the western Bonney lake. A research team is now taking a closer look at the microbial environment.
Marine microbes point to ancient seawater source beneath Antarctica's Blood Falls
Salty water flowing through Antarctica's Blood Falls contains a distinct community of marine-specific microorganisms, providing evidence that the brine system beneath the glacier has a marine origin, according to a paper published in Nature Geoscience. The findings offer new insights into how microbial communities can persist through major environmental transitions.
Mysterious Blood Falls in Antarctica: Scientists uncover major clue to its origins
Scientists have found a major clue about the origins of red Blood Falls in East Antarctica's Taylor Valley. The red colored brine oozing out of a haunting waterfall was believed to be rich in iron; however, scientists may now have...
Scientists uncover big clue as to how Antarctica's mysterious Blood Falls came to be
At the end of a glacier deep in East Antarctica's Taylor Valley, there is a haunting waterfall that oozes red brine like a bleeding wound in the ice. Scientists explained the brine's gory hue several years ago, finding that it is exceptionally rich in iron. And now, they may have identified the salty water's origin.Microbes in the crimson waterfall, called Blood Falls, suggest the brine is composed of ancient seawater that was trapped in a pool …
Antarctica's 'Blood Cataracts' Reveal the Remains of an Unknown Sea Hidden Under Ice · Global Voices
They are called 'Blood Cataracts' and, as you can see in the image, the name is more than deserved. They are in Antarctica and, apart from their crimson color, they have the particularity of sprouting from the ice itself. A visual enigma that, for more than a century, has bewildered explorers and scientists alike. Now, a new and revealing study has just opened a window to a world lost in time, demonstrating that this peculiar 'blood' terrestrial…
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