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Originally posted by Epsillion70
Hey OP, so it is my understanding that the Earth just did one big massive fart yeah?
Ha ha lmfao
Originally posted by Epsillion70
Hey OP, so it is my understanding that the Earth just did one big massive fart yeah?
Ha ha lmfao
A section of the Arctic Ocean seafloor that holds vast stores of frozen methane is showing signs of instability and widespread venting of the powerful greenhouse gas, according to the findings of an international research team led by University of Alaska Fairbanks scientists Natalia Shakhova and Igor Semiletov.
The Permian–Triassic (P–Tr) extinction event, informally known as the Great Dying,[1] was an extinction event that occurred 252.28 Ma (million years) ago,[2] forming the boundary between the Permian and Triassic geologic periods, as well as the Paleozoic and Mesozoic eras. It was the Earth's most severe extinction event, with up to 96% of all marine species[3] and 70% of terrestrial vertebrate species becoming extinct.[4] It is the only known mass extinction of insects.[5][6] Some 57% of all families and 83% of all genera were killed. Because so much biodiversity was lost, the recovery of life on Earth took significantly longer than after other extinction events.[3] This event has been described as the "mother of all mass extinctions."[7] Researchers have variously suggested that there were from one to three distinct pulses, or phases, of extinction.[8][4][9][10] There are several proposed mechanisms for the extinctions; the earlier phase was likely due to gradual environmental change, while the latter phase has been argued to be due to a catastrophic event. Suggested mechanisms for the latter include large or multiple bolide impact events, increased volcanism, and sudden release of methane clathrate from the sea floor; gradual changes include sea-level change, anoxia, increasing aridity, and a shift in ocean circulation driven by climate change.[11]
it could be enough to displace enough oxygen so that most air breathing creatures die,
Originally posted by rick004
I'm not very savy to the science behind this but all this methane , would it not mean that the planet would get hotter as opposed to another ice age ??
Originally posted by Vitchilo
Very very good find.
This show that us humans are puny and earth will do whatever she has to do.
I'm sure those vents are producing in a week way way way more greenhouse gases than all of humanity has produced in the last thousand years.
Now I'll just print this and show this to the still brainwashed ``we must cut our CO2 and pay carbon taxes`` eco-nazis in my family... maybe that'll wake them up.edit on 13-12-2011 by Vitchilo because: (no reason given)
Defusing the Methane Greenhouse Time Bomb Could methane-digesting bacteria and an Arctic cap of fresh water prevent a climate catastrophe?
In 1966, Broecker proposed a new time scale based on extrapolation of a 120,000-year date for the last major warm peak in the oxygen-isotope record, and he proclaimed his data was a close match to Milankovitch summer insolation. He also introduced the notion of a "mode switch" in ocean circulation from a warm to a cold state. A few years later in 1970, Broecker and his student Jan van Donk elaborated on the "mode switch" theme and postulated rapid transitions from periods of maximum glaciation to the following warm periods. They identified 6 such "terminations" for the last 440,000 years, which define 5 full cycles for the last 400,000 years, for an average duration of 80,000 years per cycle. With this work, Broecker introduced the notion that the major ice age cycles of the Pleistocene were roughly 100,000 years long, and that glaciations grew gradually and ended abruptly, a pattern described as "sawtooth" cycles.
Originally posted by Vitchilo
reply to post by CaticusMaximus
it could be enough to displace enough oxygen so that most air breathing creatures die,
Come on. That is NOT possible.
Anyway, some humans would survive... people in closed facilities...edit on 13-12-2011 by Vitchilo because: (no reason given)
The clathrate gun hypothesis is the popular name given to the hypothesis that rises in sea temperatures (and/or falls in sea level) can trigger the sudden release of methane from methane clathrate compounds buried in seabeds and permafrost which, because the methane itself is a powerful greenhouse gas, leads to further temperature rise and further methane clathrate destabilization – in effect initiating a runaway process as irreversible, once started, as the firing of a gun.[1]