The new topographic map of Antarctica reveals hidden features beneath the thick ice. Credit: Morlighem, UCI. Posted on 12/13/2019 5:24:17 AM PST by BenLurkin
A trough beneath Denman Glacier is the deepest continent point in the world, measuring more than 2 miles beneath sea level.
Scientists have known for years that Denman Glacier, a very large glacier in East Antarctica, has a trough beneath it, but they had no idea just how deep it was until glaciologists at the University of California, Irvine, mapped the region. According to this recently compiled a sophisticated map of the icy continent, this trench is actually two miles (3.5 kilometers) below sea level, which practically makes it the deepest point in the world.
The new topographic map of Antarctica reveals hidden features beneath the thick ice. Credit: Morlighem, UCI.
Mathiew Morlighem, the lead author of the new study and an Associate Professor of Earth System Science at UC Irvine, says work on the recent topography map of Antarctica, known as BedMachine, started years ago almost by accident.
Morlighem and colleagues at NASA were designing models of ice sheets when they noticed that their simulations contradicted reality in some key aspects. For instance, some glaciers that were known to lose mass were suddenly gaining mass according to their models. Upon investigating, they found that it wasn’t bad math or the model’s resolution to blame, but rather the shape of the bed.
(Excerpt) Read more at zmescience.com ...
Earlier the article describes the trench as 3.5km deep. This later statement suggests that is is ice all the way to the bottom.... “With conservation of mass, by combining existing radar survey and ice motion data, we know how much ice fills the canyon—which, by our calculations, is 3,500 meters below sea level, the deepest point on land. Since it’s relatively narrow, it has to be deep to allow that much ice mass to reach the coast.”
...and yet democrats have found a way to sink even lower.
Sorry, couldn't resist.
I will guarantee that any water two miles down is not in solid form.
Lake Vostok is one of hundreds of sub-glacial lakes in Antarctica, and is a 3,000 ft deep lake that lies under 13,000 ft of ice.
Yes I like ice! Well, not on my windshield and not on the roads. I do like a cube or two with some whiskey splashed over them. I know I know, some purists would say I should drink it neat - and I do, but only the good stuff. When I just want one to relax at the end of the day a mid-level on the rocks hits the spot.
Freepers are funny. :)
Boating Accidents
Anyone?
That’s where they stuck the pole that was used to start spinning the earth.
Isn’t it filled with frozen water now?— no silly, that water is melting and will evaporate.
duh
Geologist....... One who studies rocks and geology
Herpetologist........ one who studies snakes
Ornithologist....... one who studies birds
Ichthyologist....... one who studies fish
Entomologist...... one who studies insects
Clintonoligist...... one who studies suspicious deaths/suicides
is it really land if it is a big thing of ice? just asking.
What ignorant dolt wrote this article?
“According to this recently compiled a sophisticated map of the icy continent, this trench is actually two miles (3.5 kilometers) below sea level, which practically makes it the deepest point in the world.”
Not even close to deepest point in the world by a factor of 2.5.
It is not that these people are so wrong it is that they say it with such conviction that others believe it. I overheard some woman at a restaurant yesterday telling her colleagues how much realtor fees are adding the base of 6% plus the broker share etc. for a total of more than 10%.
Marine Biologist=Studies organisms in the sea.
It’s NOT on land- it’s under frozen water; two miles of it.
Ha! Like places in Northern Europe, if the ice is removed, the earth beneath it will slowly begin to rebound and rise up.
*ping*
Why is an ocean bed that is ~36,000 feet deep not counted when it’s filled with deep black sea water which is of course below sea level, but they’re getting their panties in a wad about an ice bed filled with temperature-challenged water (can’t say handicapped or slow, or paralyzed— Perhaps "differently-abled water" would be OK)— that’s less than one-third as deep, and calling it the deepest? Logic anyone? Or is it "white privileged ice?"
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