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NASA Discovers Mantle Plume That's Melting Antarctica From Below (newsweek.com)
schwit1 shares a report from Newsweek: Researchers at NASA have discovered a huge upwelling of hot rock under Marie Byrd Land, which lies between the Ross Ice Shelf and the Ross Sea, is creating vast lakes and rivers under the ice sheet. The presence of a huge mantle plume could explain why the region is so unstable today, and why it collapsed so quickly at the end of the last Ice Age, 11,000 years ago. Mantle plumes are thought to be part of the plumbing systems that brings hot material up from Earth's interior. Once it gets through the mantle, it spreads out under the crust, providing magma for volcanic eruptions. The area above a plume is known as a hotspot.
[I]n a study published in the Journal of Geophysical Research: Solid Earth, Seroussi and colleagues looked at one of the most well studied magma plumes on Earth -- the Yellowstone hotspot. The team developed a mantle plume model to look at how much geothermal heat would be needed to explain what is seen at Marie Byrd Land. They then used the Ice Sheet System Model (ISSM), which shows the physics of ice sheets, to look at the natural sources of heating and heat transport. This model enabled researchers to place "powerful constraint" on how much melt rate was allowable, meaning they could test out different scenarios of how much heat was being produced deep beneath the ice. Their findings showed that generally, the energy being generated by the mantle plume is no more than 150 milliwatts per square meter -- any more would result in too much melting. The heat generated under Yellowstone National Park, on average, is 200 milliwatts per square meter.
[I]n a study published in the Journal of Geophysical Research: Solid Earth, Seroussi and colleagues looked at one of the most well studied magma plumes on Earth -- the Yellowstone hotspot. The team developed a mantle plume model to look at how much geothermal heat would be needed to explain what is seen at Marie Byrd Land. They then used the Ice Sheet System Model (ISSM), which shows the physics of ice sheets, to look at the natural sources of heating and heat transport. This model enabled researchers to place "powerful constraint" on how much melt rate was allowable, meaning they could test out different scenarios of how much heat was being produced deep beneath the ice. Their findings showed that generally, the energy being generated by the mantle plume is no more than 150 milliwatts per square meter -- any more would result in too much melting. The heat generated under Yellowstone National Park, on average, is 200 milliwatts per square meter.
A "bimbo of a deal" is not a phrase a native English speaker would use.
I will bet you would also write a thousand dollars as, "1000$". Isn't that right, golubushka?
You are welcome on my lawn.
bimbo
Bimbo? WTF do you come from? Curious.
With the declining standard of news on this website, we should highlight the news which is nerd worthy.
Until a gamma-ray burst or a wandering black hole takes us ALL out. Or maybe just a stay rock or "lone-wolf" terrorist messes up your day.
This issue is a bit more complicated than you think.
Alternate theory: Maybe PopeRatzo is also a political sock puppet account.
And the next question is whether this post about his dick makes it more likely that he's controlled by Don or Vlad.
tl;dr: PopeRatzo: Trollin' since forever.
... but I’m not sure what’s going on with the idiots posting further up in this discussion.
In addition to Yellowstone, there’s the plume responsible for the Hawaiian Islands. Interestingly, as the tectonic plate shifts, the plume remains more or less in the same place below it. Currently it’s under the Big Island (obviously); you can see the direction that the plate is moving by looking at the chain of islands.
#DeleteChrome
Almost every day, new scientific evidence is found that supports one side or the other. The debate is always evolving. This is very interesting!
It's a cover up, I'm sure of that. This is to cover up the discovery of an ancient powerful alien device. This device is called a "door to the heavens", it's a transportation device that uses "Rosen-Einstein bridges" through space-time to allow people to travel astronomical distances seemingly instantly. One was found buried among ancient Egyptian artifacts and the other more recently found buried in the Antarctic ice. I have little doubt the power of this device is melting the ice. Perhaps this device has also attracted some unwanted attention from alien species? If that's the case then they have much more to cover up.
I am armed because I am free. I am free because I am armed.
Gonna guess DPRK
I miss sg1 too :(
Sure ... sadly this plume is not a global warming result but a work of nature. Thus the melting of the north pole might be from a global warming up, but the declining south pole ice caps could be very much the result of volcanic activity.
Bach says it all.
It makes little difference if Trump personally supports the Paris agreement or not, since it was an aspirational target, the states, companies and people still support it. The people who implement it, still implement it.
You mean we don't need the government to save the planet? I completely agree. People don't need the government to mandate anything to save the planet. People can do this on their own, assuming the government is not preventing this in any way.
The problem with government is that it picks winners and losers. One example are these stupid CFL lightbulbs. There's a government subsidy on them, maybe it's gone now, but they suck. I don't know anyone that buys them any more. People will get LED lighting now, or use one of those new "efficient" incandescent bulbs. Maybe the mandate sped up the adoption of LED because people wanted something better. Maybe it slowed it down because money that was dumped in CFL was not invested in bringing LEDs to market.
Another problem with government is that it is slow. The CFL subsidy is also an example of this, it became obsolete almost as soon as it became law. If someone developed cold fusion tomorrow then it'd be tied up in all kinds of outdated regulations before it could come to market. At a minimum it'd have to compete with already subsidized wind and solar. Subsidies rarely help anything, it can just as easily hurt.
Trump did the right thing on getting out of this agreement. It did nothing that we could not do on our own without it. I believe that we'd be better off if the government had a lighter hand on the environment. Sure, keep the air and water clean, but there is a thing as taking it too far. The EPA did a lot of good things in the past, but it became an agency without much to do very quickly. Instead of shrinking to fit the much smaller role it needed to fulfill, it grew and created new "problems" to solve. The US Department of Energy was created 40 years ago with the mandate to provide energy independence for the USA. They failed. I suspect that they will always fail because the people within the department will always have the suspicion that if they actually solve the problem then their jobs are at risk. Just like the DEA will never ever "win" the "war on some drugs". US DHS will never "win" the "war on terror". Has the Department of Education ever actually educated anyone? If people learned anything from them then it can't be anything good.
I am armed because I am free. I am free because I am armed.
Stuntaz?
/Tru Pimpin
Removing millions of tonnes of ice over huge portions of land has know consequences. It caused the upthrust of central North America. At the end of the last ice age it also caused a drastic rise in sea level. If tectonic upthrust created by the loss of the Antarctic ice cap can trigger a volcanic reaction in the proported mantle plume there, then it is possible that mankind could soon see a major event that reshapes our coast lines with a very sudden rise in sea levels.
Much is not known about the mantle plum under the ice as yet, for instance how large it really is. For all we know it might be more of a zit than a pimple full of puss, However if it is as large as the pimple in Italy or the mega pimple at Yellow Stone, it could burst with enough energy to create one hell of a rough ride for much more than just the worlds penguin population. Add on top of a sudden increase in sea level the effects of global warming the price of real estate in the Ozarks and the bush will increase drastically. Just maybe the red neck survivalists already heading for the hills and stocking up on amo are on to something, having good credit means squat when the price of real estate is beyond anyone without the use of fire arms.
tl;dr: PopeRatzo: Trollin' since forever.
You trolls always hate it when someone salts your game, but thankfully Slashdot has chosen to make your cowardice obvious with every comment. If you weren't a Russian sock puppet, you might be willing to log in and be counted.
Of course, you could just be a stupid dick. But we can't tell if you're just a stupid dick or if you're a paid Russian troll, since you won't log in.
"You're right," Fisheye says. "I should have set it on 'whip' or 'chop.'"
People don't need the government to mandate anything to save the planet. People can do this on their own, assuming the government is not preventing this in any way.
Isn't going to work: https://en.wikipedia.org/wiki/...
Would that stand for Democratic People's Republic of Kalifornia?
I find it amusing that there are people from California that want to emphasize that California is NOT a state, it's a republic. This distinction is somehow important, I guess because California has a relatively unique concept in law that any citizen can bring a law to a ballot and have it become law by a vote. I'm not sure if this is what defines a republic, but it is certainly democratic. The state has certainly been run by people that call themselves (big 'D') Democrats for a while now.
Also amusing is how Californians take pride in that the state... sorry, republic, has the 7th largest economy in the world. This is nothing to be proud of since it was the 5th largest economy until Democrats and those public ballot initiatives shrunk the economic output. Just like the other DPRK I expect California to collapse within 5 or 10 years. That which cannot continue will not, and neither have an economy that can continue indefinitely.
I am armed because I am free. I am free because I am armed.
It doesn't matter whether the previous excuse was "solar cycles", "a tail end effect of the ice age" or "god is punishing us for gays" or "because cities have been built around the weather stations causing local city warming that's fooling the climate scientists (who have full satellite data FFS)"....
Each time the reason shifts, its really acknowledgement of the previous denial claims faults. That's positive. They may not want to face the reality of it, or the consequences, denial is human nature, and you can't really overcome human nature overnight. But this is a step in the right direction.
but the declining south pole ice caps could be very much the result of volcanic activity.
No, because the plume isn't a recent development. It's been there for a long time and was part of the local equilibrium. The decline in the ice must be from additional factors.
All things that melt the Antarctica is AGW - non Deniers know this to be true.
Huge upwelling of hot rock under Marie Byrd Land is caused by Climate Change.
If you didn't know that you must be a Denier.
Climate is now changing 1 degree per hour!!
As the Sun cums up, temperatures rise an average 1 degree per hour.
As the Sun cums down, the globe cools average 1 degree per hour.
Awe nooo! This is making me feel all crispy.
p.s. Can I have a bacon sandwich to top it all off?
That supervolcanos are powered by pollution? Hmmmm...Liberal hippies? Any comments?
Everyone I don't like is a Russian
This may come as a surprise but there are actually other non-native-English speakers on the Internet. Not everyone is out to get you, mr. Tinfoil.
Sorry, please try again. This is (interior) global climate change. The interior of the Earth is still cooling.
Did you even read the article you linked to? Under the solutions section it explains how non-government action and privatization can solve this.
This is really a problem of the "bad" energy being cheaper than the "good" energy. If the "good" energy is cheaper than the "bad" energy then the "good" replaces the "bad" naturally. I keep hearing on how solar energy will be cheaper than everything else in 5 years, even without the current subsidies, so I guess all we have to do is wait for the problem to solve itself. We won't need any more government action at that point.
Yep, in 5 years all of our global warming problems will be solved. At that point I'll just sell my current SUV to be scrapped for it's iron and I'll buy a new hydrogen-electric hybrid SUV. The local utility will rent my roof for its solar collectors, they'll be paying me for my energy. Utopia, just 5 years away and the government needs to do nothing.
I am armed because I am free. I am free because I am armed.
I bet you just love Trumps dick up your faggot republicunt asshole. davide.marney@netmedia.org
Under the solutions section it explains how non-government action and privatization can solve this.
And how would that work for the global climate ?
This is really a problem of the "bad" energy being cheaper than the "good" energy
They aren't really cheaper if you would also include the cost of higher CO2 concentration and the effects it has on the global climate. A simple solution would be to calculate those costs, and add them to fossil fuel prices using a tax. At the same time, income taxes should be reduced by the same amount to keep it budget neutral.
According to the EIA the cost of most renewable technologies is now lower then many fossil fuel based technologies. Levelized Cost and Levelized Avoided Cost of New Generation Resources in the Annual Energy Outlook 2017
still it is going to take a while to build out, and develop the load following technologies.
The US Department of Energy was created 40 years ago with the mandate to provide energy independence for the USA.
The primary job of the Department of Energy is nuclear safety. It is in charge of the country's nuclear weapons, nuclear reactors and nuclear waste. It also does energy research and other related things but nuclear safety comes first.
There is one major difference from withdrawing, the money going from the US to other countries to help them reduce their CO2 levels.
write a thousand dollars as, "1000$"
Oh no! He's a Quebecker!
There isn't much we know about Earth's internal heat & mass flow. There's not much consensus about where magma comes from (not that I mean to suggest that it's thought that it has only one source). The Earth is not a ball composed of well differentiated layers (Crust, Mantle, Upper Core, Inner Core, etc.) in fact, it turns out, its a really BIG place with a composition that varies over time and space. Mechanics follows chemistry. Heck, we still don't know how long the Earth's dynamo will persist...speaking of extinction level events...
Maybe it was buried under the ice to prevent aliens from travelling to our world via the "Rosen-Einstein bridges" and by burning so many fossil fuels we risk invasion by melting the ice from above.
We have our proof at last that global warming IS melting the ice caps.
Yes, the problem is it's an invasion from the Underground Empire of the Mole-People.
In other words, this is TERRORISM FROM BELOW!
And how would that work for the global climate ?
I gave you my answer, the market is always looking for "better" energy so all we have to do is allow the market to do this. In this case "better" is defined as being both low CO2 and low cost.
They aren't really cheaper if you would also include the cost of higher CO2 concentration and the effects it has on the global climate. A simple solution would be to calculate those costs, and add them to fossil fuel prices using a tax. At the same time, income taxes should be reduced by the same amount to keep it budget neutral.
Let me get this straight... I pay a tax because my utility chose to use dirty coal. But since this is a burden on the taxpayer the government pays me the difference on my income taxes. How is this an incentive to get off coal again? The utility doesn't give a shit, they want to sell cheap and reliable energy. If this means paying a tax then they pay a tax. So long as wind and solar are unreliable there is a cost to that, including the fuel to keep their boilers hot for when the sun sets and the wind stops.
This is not a problem that taxation can fix. We need cheap, low carbon, reliable, and safe energy. We have that, it's nuclear fission. Or rather, we'd have it if the government allowed it.
I am armed because I am free. I am free because I am armed.
By "place like this", what exactly do you mean? All I see are a couple dozen neckbeards who think they have all the answers with a second of thought and everyone else in the world is stupid. No, can't say I see /. being a place that conservatives give 2 shits about. We've wrecked this site all by ourselves.
I can afford the moderation, but you Trumpanistas only have so many mod points to spend. If I jump on that grenade now, you can't throw it at someone else who can't take the hit.
"You're right," Fisheye says. "I should have set it on 'whip' or 'chop.'"
All I see are a couple dozen neckbeards who think they have all the answers with a second of thought and everyone else in the world is stupid.
It's true, Slashdot is still full of Nuclear Playboys and Hydrogen Douchebags. But at least we've chased off the Free Energy Fanboys. Now they're all on electronics experimenter groups, crapping them up.
"You're right," Fisheye says. "I should have set it on 'whip' or 'chop.'"
There was nothing wrong with CFL bulbs, when they were made well and had a good electronic ballast. The subsidy made certain junky brands nearly free and people ignored the more expensive better made bulbs.
This proves that climate change is a natural occurrence that comes in cycles. Politicians were just trying to tug our heart strings for more tax money.
...and I do think that we have had a relatively small impact that could be quite harmful for our own survival.
However, the earth has far more varied climate phases than we have seen in our current icehouse.
You just gave an example on how CFL subsidies failed, and did so better than I had. Thanks.
I am armed because I am free. I am free because I am armed.
The only way California might fail is if the tax burden imposed by the federal government becomes even more onerous. Even though we are one of the states that contributes most to operating the social programs used by mostly white people in the flyover states, and one of the states which gets the least back on every dollar sent to the federal government for that purpose (and for funding the blood for oil program) California still manages to operate in the black sufficiently to run its own social program providing no-fee medical service to residents with no money, sometimes including illegal immigrants who pick the majority of the food that everyone in the country eats which isn't machine-harvested.
Without California, it's the USA that would go under.
"You're right," Fisheye says. "I should have set it on 'whip' or 'chop.'"
The best lamp I own (if you put aside light quality) is a CFL over my stove. It has literally held up longer than at least half a dozen incandescents I've run through the same fixture previously.
"You're right," Fisheye says. "I should have set it on 'whip' or 'chop.'"
Say it with me! GROBAR WALMING!
Oh the ice caps are melting! It's humanity's fault! Yup! All you fuckin' EEEVIL humans! Fuckin' the world up for germs and lampreys and cockroaches!
What you need to do is go back to huddling in caves and dying of stuff that's preventable with modern medicine!
The subsidies applied to the more expensive bulbs too. That's why I bought them. In fact, I have several years' worth and won't need to upgrade to LED for at least 10 more years.
Just curious how this may change the current thoughts on climate change impact on artic ice. TFA is pretty quiet about climate science. Perhaps theyâ(TM)re just scrambling?
Chewbacon
The Bible is like Wikipedia: written by a bunch of people and verifiable by questionable sources.
It has taken way too long to scroll down to this first on-topic post. But correcting the moderator system to limit the damage by paid trolls is another topic.
I have a serious question about the Antarctic mantle plume(s):
The Erebus plume under Ross Island has been documented ever since the International Geophysical Year (IGY) of 1957 and probably earlier. So has a second plume been discovered in the same area? Or is this story about confirmation of what was already known? WTF?
Hopefully answers to this question will not get drowned by the paid trolls (and what I suspect may be paid troll fighters who keep the sewer floodgates open).
That's because that's how you say it in words and that's also how all other units are used.
Do you say "miles 500" or "pounds 500"? No, because that's stupid.
You say "a thousand dollars", that's how it has to be written: "a thousand" followed by "dollars" which means "1000$".
but the declining south pole ice caps could be very much the result of volcanic activity.
No, because the plume isn't a recent development. It's been there for a long time and was part of the local equilibrium. The decline in the ice must be from additional factors.
Try telling that to the people that used to live in Pompeii.
âoeMy super-power is that I wake up when bullshit is occurringâoe
CNN must keep you eternally awake.
Native English speaker here that writes 1000$ here. Why? It's 1000 dollars, not dollars 10000.
Just write it as I say it.
âoeif nobody follows himâoe
Remind you of the âoelead from behindâ Obama admin?
Itâ(TM)s white old Democrats that predominantly run Cali. About half of those living there donâ(TM)t speak English at home.
Once Cali succeeds, the massive wealth inequality will give rise to a dictator and turn it into another socialistic hellhole much like Venezuela. Enjoy your multiculturalism bitch boy :)
I work at/for/with NASA. Nearly 75% of our work force is conservative. Keep assuming everyone who doesnt agree with you is of lower intelligence. It makes the politics game so much easier for us.
Ky is failing? The aerospace industry might have something to say to that. Last I checked, Amazon was about to move here as well. Oh, we also have the shining beacon of tech small business funding that is consistently pulling companies out of SV and NE.
Keep spouting your none sense. Its fun. Especially about California. The state with 3-5 of the best universities in the world but is what 46/50 in public education? Or the state that has consumned nearly all their water growing lettuce in the desert?
While utilizing vastly more water than is required to grow the same food anywhere else, all while telling the rest of us how we should live sustainably. Federal Government moves were made before your lifetime to encourage people to move to California and its been riding that unnatural wave since.
Ah another Russian troll.
Try telling that to the people that used to live in Pompeii.
They didn't live in Pompeii for 150 million years.
Federal Government moves were made before your lifetime to encourage people to move to California and its been riding that unnatural wave since.
Pretty silly, since nothing like that is necessary. Just sit back and let California be California, and people will move here. That's why this is the home of tech. When people have money, they want to live someplace that doesn't suck.
"You're right," Fisheye says. "I should have set it on 'whip' or 'chop.'"
Ky is failing?
Well, it worked for me last night.
Amazon Prime Air is already operating from Hebron, KY and has been for some time - I saw one of their jets taxiing at CVG two months ago.
Slashdot still doesnâ(TM)t support Unicode after it was added to the HTML standard in 1997.
Why would success breed authoritarianism?
Oh, you meant secedes...
I guess thatâ(TM)s completely different. Besides the fact that many states tried secession about 150 years ago and it ended a bit rough for them.
Slashdot still doesnâ(TM)t support Unicode after it was added to the HTML standard in 1997.
The ice melting is do to BP injecting 400 degree water into the oil wells to heat the thick oil recovery ( Prudhoe Bay ) . Watched it go on for 15 years , global warming my ass you jerks !!!!!!
I am sick of the latest "boogy-man". The far left and the entertainment industry have cried wolf way too many times.
The same goes for :
- Pedophile
- Racist
- Rapist
- Russian
- Terrorist
- Global Cooling
- Global Warming
- Climate Change
When will they get the clue that accusations aren't evidence and name calling is powerless irl? Fuck off already.
~ People that think they are better than anyone else for any reason are the cause of all the strife in the world.
California sucks in so many ways it makes a vote for Trump look like the only sane choice.
You can't decide whether you work at or with or for NASA. So you're a contractor trying to mislead people.
But there are plenty of smart conservatives. I don't doubt there are lots at NASA.
It's just hard for liberals to admit something like that when conservatives won't condemn their obvious liars (Trump, Conway, Sarah Sanders, Hannity).
You're saying "the left" cries "terrorist?" Ha!
I blame Newcomen and Watt.
There's no time like the present. Well, the past used to be.
The market optimizes for direct costs that a vendor incurs. It doesn't optimize for what's good for people. The basic concept is "externality", a cost not borne by the person making the decision to impose the cost.
The market will push energy producers to the ways to produce energy that are cheapest for them, regardless of what they do to anybody else. If nobody pays extra for producing carbon dioxide, then the power companies will not care how much carbon dioxide they emit (except as a PR measure).
We've seen the results of what happens when industries are allowed to pollute as they please. It's not at all pretty. Government regulation is necessary in cases like these.
"When you have eliminated the unacceptable, whatever is left, however improbable, must be the truthiness" - Holmes