Clinton says global warming could cause global cooling?

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Expand view Topic review: Clinton says global warming could cause global cooling?

Re: Clinton says global warming could cause global cooling?

Post by Dirttyrabbit » Tue Dec 01, 2009 7:58 pm


Re: Clinton says global warming could cause global cooling?

Post by NamelessGhoul » Tue Dec 01, 2009 5:50 pm

Last Ice Age took just SIX months to arrive

It took just six months for a warm and sunny Europe to be engulfed in ice, according to new research.

Previous studies have suggested the arrival of the last Ice Age nearly 13,000 years ago took about a decade - but now scientists believe the process was up to 20 times as fast. In scenes reminiscent of the Hollywood blockbuster The day After Tomorrow, the Northern Hemisphere was frozen by a sudden slowdown of the Gulf Stream, which allowed ice to spread hundreds of miles southwards from the Arctic. Geological sciences professor William Patterson, who led the research, said: 'It would have been very sudden for those alive at the time. It would be the equivalent of taking Britain and moving it to the Arctic over the space of a few months.'

Professor Patterson's findings emerged from one of the most painstaking studies of climate changes ever attempted and reinforce the theory that the earth's climate is unstable and can switch between warm and cold incredibly quickly. His conclusions, published in New Scientist, are based on a study of mud deposits extracted from a lake in Western Ireland, Lough Monreagh - a region he describes as having the 'best mud in the world in scientific terms'. Professor Patterson used a precision robotic scalpel to scrape off layers of mud just 0.5mm thick. Each layer represented three months of sediment deposition, so variations between them could be used to measure changes in temperature over very short periods.

Stark warming: An iceberg melts off Ammassalik Island in Eastern Greenland. Some scientists believe that if the Greenland ice caps melt, an Ice Age could hit within months

He found that temperatures had plummeted, with the lake's plants and animals rapidly dying over just a few months. The subsequent mini Ice Age lasted for 1,300 years and was probably caused by the sudden emptying of Lake Agassiz in Canada, which burst its banks and poured freezing freshwater into the North Atlantic and Arctic Oceans. That would have disrupted the Gulf Stream - the flows of which depend on variations in saline levels and temperature - and allowed the ice to take hold. Some scientists believe that if the Greenland ice cap melts it could disrupt the world's ocean currents and have a similarly dramatic effect.

Re: Clinton says global warming could cause global cooling?

Post by NamelessGhoul » Tue Dec 01, 2009 5:39 pm

.it´s known as an interglacial.

Snowball Earth

The Snowball Earth hypothesis as it was originally proposed suggests that the Earth was entirely covered by ice during parts of the Cryogenian period, from 790 to 630 million years ago. It was developed to explain sedimentary deposits generally regarded as of glacial origin at seemingly tropical latitudes, and other enigmatic features of the Cryogenian geological record. The existence of a Snowball Earth remains controversial, and is contested by various scientists who dispute the geophysical feasibility of a completely frozen ocean, or the geological evidence on which the hypothesis is based. The initiation of a Snowball Earth event would involve some initial cooling mechanism, followed by runaway cooling due to increasing ice accumulation. The initial cooling could be facilitated by an equatorial continental distribution, which would increase the Earth's albedo near the equator, where most solar radiation is incident.

This arrangement would also allow rapid, unchecked weathering of continental rocks, a process that absorbs the greenhouse gas carbon dioxide from the atmosphere, resulting in further cooling. Alternatively, changes in solar energy output or perturbations of Earth's orbit could act as a trigger. However the initial cooling comes about, resultant ice accumulation would reflect solar energy back to space, further cooling the atmosphere and generating more ice cover. This feedback loop could eventually produce a frozen equator as cold as modern-day Antarctica. To break out of this icy condition either the level of solar energy incident on Earth would have to increase significantly, or huge quantities of greenhouse gases, emitted primarily by volcanic activity, would have to accumulate over millions of years. The eventual melting would perhaps take as little as 1,000 years.

One computer simulation of conditions during the Snowball Earth period.

There is a controversial theory that for millions of years the Earth was entirely smothered in ice, up to one kilometre thick. The temperature hovers around -40ºC everywhere, even in the tropics and the equator. If it did, then virtually nothing could survive this ferocious climate. There are some tantalising geological clues that show this theory may be true but the problem is, the clues and the Snowball Earth theory defy the laws of nature. For over fifty years a group of scientists has been trying to prove this incredible period of Earth history. Struggling against scepticism and disbelief, now finally the many mysteries have been solved and the scientific community is slowly coming around to the extraordinary idea not just of the dramatic freeze, but of an equally dramatic thaw. Scientists across the world are starting to believe that in the past the Earth froze over completely for ten million years... then warmed up rapidly about 600 million years ago. Almost all life was wiped out. But out of the freeze emerged the first complex creatures on Earth. Scientists now believe that the so-called Snowball Earth theory could hold the key to the evolution of complex life on this planet.

The discovery of this theory is a classic scientific detective story. For decades there had been a growing 'X-File' of geological anomalies haunting the scientific community. Telltale signs of past glaciation have been found in places that should have been much too hot - very near the equator. Even during the most severe ice age, scientists believed that the ice only reached as far down as Northern Europe and the middle of the USA. So what could these tropical deposits mean? Back in the 1960s one of the first climate modellers, Mikhail Budyko, stumbled on an ingenious answer. Through some simple mathematical formulae, he calculated that if the polar ice caps had spread past a crucial point, a runaway freezing process would have followed, eventually freezing over the whole of the planet. The idea fascinated scientists, but no one thought his runaway glaciation was anything more than a theoretical result. Surely it had never actually happened on planet Earth?

The idea foundered because according to the model, once the Earth was frozen there was no way out - the Earth would remain frozen forever. The big freeze would wipe out all life; we would not exist today. It seemed patently absurd. But then came a series of insights and inspirations from a geologist in California, Joe Kirschvink, who came up with a brilliant solution - that volcanoes, protruding above the frozen landscape, would have carried on pumping out carbon dioxide, the greenhouse gas, even though the world had entered the deep freeze. On Snowball Earth there was no rain to wash this carbon dioxide out of the atmosphere. Instead it would have built up to higher and higher concentrations - until eventually it sparked off not just global warming but global meltdown.

Shows the pattern of temperature and ice volume changes associated with recent glacials and interglacials

From the baking landscape of Africa to ice-covered Antarctica, Horizon follows the tale of a theory which, if true, would have huge implications. Because scientists now believe this cycle of freezing and frying may have created the unique conditions needed for the evolution of complex life, including our own. Survival of life through frozen periods: A tremendous glaciation would curtail plant life on Earth, thus letting the atmospheric oxygen be drastically depleted and perhaps even disappear, and thus allow non-oxidized iron-rich rocks to form.

However, organisms and ecosystems, as far as it can be determined by the fossil record, do not appear to have undergone the significant change that would be expected by a mass extinction. Even if life were to cling on in all the ecological refuges listed above, the post-Snowball biota would have a noticeably different diversity and composition. This change in diversity and composition has not yet been observed. In fact, the organisms which ought to be most susceptible to climatic variation emerge unscathed from the Snowball Earth.

Re: Clinton says global warming could cause global cooling?

Post by Forestgrove111 » Tue Dec 01, 2009 4:59 pm

Bill Clinton and the Meaning of "Is"

Years from now, when we look back on Bill Clinton's presidency, its defining moment may well be Clinton's rationalization to the grand jury about why he wasn't lying when he said to his top aides that with respect to Monica Lewinsky, "there's nothing going on between us." How can this be? Here's what Clinton told the grand jury (according to footnote 1,128 in Starr's report):

((It depends on what the meaning of the word 'is' is. If the--if he--if 'is' means is and never has been, that is not--that is one thing. If it means there is none, that was a completely true statement....Now, if someone had asked me on that day, are you having any kind of sexual relations with Ms. Lewinsky, that is, asked me a question in the present tense, I would have said no. And it would have been completely true)) :bullshit: :bullshit: :bullshit: :bullshit: :bullshit: :bullshit:

Re: Clinton says global warming could cause global cooling?

Post by domdabears » Tue Dec 01, 2009 2:52 pm

he also said "i did not have sexual relations with that woman, ms. lowinski".

even after all this shit people still BELIEVE in global warming. do i need to take a baseball bat to your fuckin heads to get it through? :bang;

Re: Clinton says global warming could cause global cooling?

Post by Bettyboolean » Tue Dec 01, 2009 2:25 pm

pindz wrote:Notable Reptilians: George Bush Sr., George Bush Jr., Richard Cheney, Al Gore, Colin Powell, Queen Elizabeth and all 4 sons including Prince Charles and Prince Andrew

Queen elizabeth only has 3 sons

Re: Clinton says global warming could cause global cooling?

Post by Electrobadgr » Tue Dec 01, 2009 1:45 pm

I fucking love you Pindz :D when is the Pindz talking doll available with the Pullstring reptilian name generator. Pull "Britney Spears is a reptilian shapeshifter" pull "Miley Cyrus is an illuminati whore" put me down for one:) it would complete my christmas!

Keep up the good work Pindz, and more importantly keep being you :flop:

Re: Clinton says global warming could cause global cooling?

Post by Electrobadgr » Tue Dec 01, 2009 1:27 pm

 Post subject: Clinton says global warming could cause global cooling?


Manbearpig strikes again eh, you've got to laugh at the pathetic attempts to mask the blatant lies that Gore and his lackies have been spewing. Fucking hilarious :D

Re: Clinton says global warming could cause global cooling?

Post by Pindz » Tue Dec 01, 2009 12:45 pm

Notable Reptilians: George Bush Sr., George Bush Jr., Richard Cheney, Al Gore, Colin Powell, Queen Elizabeth and all 4 sons including Prince Charles and Prince Andrew

Re: Clinton says global warming could cause global cooling?

Post by Bri84 » Tue Dec 01, 2009 12:19 pm


Gore Bot To The Rescue!