What's Hidden Under the Ice of Antarctica?
A video on YouTube. In Explainers, a Krater category.
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An exploration of Antarctica's true size, extreme climate, hidden geography including subglacial lakes and canyons, and geopolitical claims over oil reserves and territory.
From the video
Answers: What is Antarctica really like beneath the ice and what are the geopolitical claims there?
- Antarctica size comparison
- Antarctica climate and weather
- Subglacial lakes and canyons
- Volcanoes and geothermal activity
- Antarctic oil reserves
- Antarctic Treaty and territorial claims
What it concludes
- Antarctica is the world's fifth largest continent, exceeding Australia and Europe in size.
- Antarctica holds 61% of the freshwater on the planet in its ice sheet, which could raise global sea levels by around 60 meters if it all melted.
- Antarctica's ice sheet is up to 5 kilometers thick, making it thicker than the surface of Mars is understood.
- Lesser Antarctica is part of the Pacific Ring of Fire and contains active volcanoes such as Mount Erebus.
- A 2019 discovery revealed the Antarctic Grand Canyon beneath the Denman Glacier, plunging 3.5 kilometers deep.
- In 2006, researchers identified what is believed to be a 480-kilometer-wide meteorite impact crater beneath the ice in Wilkes Land, potentially dating from the Permian-Triassic extinction event 251.9 million years ago.
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