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/sci/ - Science & Math

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10417620 No.10417620 [Reply] [Original]

https://www.quantamagazine.org/cloud-loss-could-add-8-degrees-to-global-warming-20190225/
>1200 ppm carbon expected to cross a tipping point where no more stratocumulus clouds form
>immediate 8C bullet to the head on top of other warming

>> No.10417668

not in that article, but in the PETM when that last happened the released carbon was at its peak 0.58 gigatonnes per year, we're currently releasing 10 per year, lol
how fucked are we

>> No.10417734
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10417734

>>10417668

>> No.10417774

>>10417734
>12
close enough, still over an order of magnitude higher than during the PETM
how many agreements will be needed for us to reach just that 0.5 peak, hah

>> No.10417817

>>10417620
Nice, maybe we will see another great extinction in our lifetime.

>> No.10417868

>>10417817
depends on your definition of extinction. we'll probably see specific niches/ecosystems obliterated but when i think mass extinction i think of something that wipes the world clean across the board. we're probably heading to the latter eventually, but not in our lifetimes

>> No.10417878

>>10417620
So much for the more clouds negative feedback I guess

>> No.10417885

>>10417868
Increase of 10 degrees means all the methane sitting there for millions of years goes to the atmosphere and we have another great Permian extinction.

>> No.10417894

>>10417817
Welcome to the anthropocene.

>> No.10418085

>>10417817

Europe already killed most of their wildlife, Asia and Africa aren't too far behind. The only place that takes conservationship seriously is America and only because America's experience with the Dust Bowl means the government has to manage shit so a major enviomental disaster doesn't happen again.

This is why the climate change denial endemic to America is so ironic because Americans themselves know climate change is plausible they just don't think it's plausible with co2 emissions. It's a bizarre coincidence.

>> No.10418916

>>10417620
kek we're fucked long before that
>A study of humans exposed in 2.5 hour sessions demonstrated significant effects on cognitive abilities at concentrations as low as 0.1% (1000ppm) CO2
Imagine what developing children will end up like in an environment of over 1000ppm CO2.

https://en.wikipedia.org/wiki/Carbon_dioxide#Below_1%

>> No.10418949

>>10417885
An Increase of 3 degrees already means we're permafucked. 10 degrees might leave nothing but bacteria and deep sea fish behind

>> No.10419725

>>10418916
everyone but the rich's children, who will grow up in enclosed oxygen-enriched enclaves

>> No.10419751
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10419751

>>10417620
Note that the point of the paper was to show that this cloud instability seems to be a robust physical feature. They didn't try to precisely detect the threshold value so the numbers need to be used cautiously.

But it is interesting that both the CO2 threshold at which this transition occurs and the temperature response it elicits is very comparable to the conditions during the PETM.

One can therefore speculate that (a) the climate history of the last half billion years represents the transition between at least 3 different stable states (a glaciated icehouse, a modest greenhouse and an extreme hothouse) and that (b) hothouse Earth represents a distinct, structurally different climate system.

>> No.10419773
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10419773

>>10417620
That's a shitty theory not based in anything other than bad science, fear mongering, and grant chasing.

>> No.10419927
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10419927

>>10419773
>it's bullshit cause I say it is
Not an argument.

>> No.10419952

>>10417620
>female author
phew, saved me a lot of reading there

>> No.10420148

>>10419952
Too bad you're such a retard that you don't even realize that it's citing a study done by a man.

>> No.10421131

>>10419952
why would that even matter? they clearly know waht they're talking about

>> No.10421276

>>10418949
Nah, greatest extinction in history was more than that and killed 80% of life on Earth.

At least Earth dying will finally give us the push to colonize space.

>> No.10421310

I am in favour of global warming and CO2 emissions because as the Arctic ice melts, it'll open shipping lanes for cargo ships and supertankers and turn the northern permafrost into a powerhouse of agriculture and development. Canada will become a superpower as the Fat Ones broil.

>> No.10421313

More global warming nonsense based on fictitious feedback mechanisms

>> No.10421596

>>10421310
>I'm in favor of global warming because I'm a fucking retard
>muh capitalism
ecosystem collapse is very bad, anon

>> No.10421673

>>10421596
Maybe he is a roach.

>> No.10422952

>>10421310
Literally the dumbest comment on 4chan

>> No.10422964

>>10417734
HELLO, BRAINLET HAS LANDED!!!
can someone explain to be what this diagram is trying to say? if all of those units are in gigatons aren't we doing fine?

>> No.10423084

>>10422964
it's saying that natural sources and sinks are mostly balanced but unnatural ones have no corresponding sink.