i-Club - The Ultimate Subaru Resource - Looks like global warming is legit..

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Looks like global warming is legit..

I know you right wingers for the most part have this dellusional view of the world that says global warming isnt real..

well looks like those wacky (obviously socialist hippy left winger) scientists have made another discovery that "proves" the legitimacy of global warming theory

Scientists Find Climate Change 'Smoking Gun'
By Miguel Bustillo
Times Staff Writer

April 29, 2005

The Earth is now absorbing so much heat from the sun that the soot and greenhouse gases that humans are putting in the air appear to be the only reasonable explanation for the warming trend, according to research released Thursday by a team of prominent climate scientists.

The scientists from NASA, Columbia University and the U.S. Department of Energy determined that precise, deep-ocean measurements showed a rise in temperature that matched their computer model predictions of what would happen in an increasingly polluted world.

The scientists wrote that the findings confirmed the planet's "energy imbalance," a long-held theory on global warming.

"This energy imbalance is the 'smoking gun' that we have been looking for," said James Hansen, the director of NASA's Goddard Institute for Space Studies at the Columbia University Earth Institute, and lead author of the study, published online Thursday by Science magazine.

"There can no longer be substantial doubt that human-made gases are the cause of most observed warming," added Hansen, who has long advanced the idea that human beings have been contributing to global warming, and in recent years has criticized the Bush administration for failing to take aggressive action on the issue.

Although the planet is now soaking up more energy from sunlight than it is reflecting back to space in the form of heat radiation, much of the excess energy remains effectively hidden in the oceans, the study found.

Just as the sands on a beach warm faster than the waters offshore, oceans respond more slowly to temperature changes than land masses.

But the heat trapped in the oceans will eventually manifest itself, with significant consequences for the world's climate, the scientists wrote.

As a result, the average global temperature, which has increased by about one degree Fahrenheit over the last century, will do so again over the next century, simply based on the heat stowed away in the oceans.

"The Hansen paper is important," said F. Sherwood Rowland, a UC Irvine professor who received the 1995 Nobel Prize for chemistry for finding that pollution from aerosol sprays and coolants was eroding the ozone layer.

"If you have that much [heat] stored up in the oceans, that is about another degree Fahrenheit that is lagging there, and we just haven't felt it yet."

Michael Prather, another UC Irvine professor, said that though Hansen and others had stated for years that the oceans could be a repository for much of the heat generated by the greenhouse effect, the latest paper represented the most convincing evidence yet that it was happening.

"I always believed Jim [Hansen] was right in the first place, but now I think he has proved it," said Prather, the former editor of the Geophysical Research Letters journal.

"You now see the heat building up in the ocean and you have a limited range of options to explain it."

In addition to increasing global temperatures, the warming could lead to an acceleration of the ice sheet disintegration taking place in parts of the polar regions, and even a rapid rise in sea levels, the authors concluded.

Sea levels have risen about 1 1/4 inches in the last decade, twice the rate of the preceding century, partly because the heat content of the oceans has caused the water to expand.

Based on major climate shifts in the planet's history, Hansen estimates that if temperatures increased beyond 1.8 degrees Fahrenheit over current levels, large-scale sea level increases could take place.

He argued that represents the threshold that human beings should strive not to exceed. Under the U.N. Framework Convention on Climate Change, countries around the world agreed in principle to avoid "dangerous anthropogenic interference" with the climate, though they never defined what that was.

Natural variables such as ocean circulation patterns could theoretically account for the high rate of heat storage in deep waters, the authors conceded. But they said that in such a scenario, cooler water would have been pushed to the surface of the oceans, and the measurements over the last decade showed surface temperatures warming.

By contrast, the researchers noted that the additional heat in the oceans corresponds closely with what their computer model predicted would take place due to increased emissions of carbon dioxide, methane, ozone and black carbon, making that the more likely cause.

Hansen estimated that if humans could slash the current amount of carbon dioxide in the atmosphere in half, or eliminate potent methane emissions, the planet's heat would fall back into equilibrium. But such reductions, he said, are unrealistic, and thus the world probably will become warmer.

Just because the Bush administration failed to take aggressive action on the issue does not mean it's a partisan issue. Global warming affects all of us. Also, you speculate that the scientists are partisan? This is irrelevant in science.

Just because you personally give Republicans this label does not mean we’re scientific saps. I am a huge science buff. I’m sure there’s plenty of brilliant right-wing scientists. Again, not that this matters.

You really need to do your homework on this stuff, Dre. Clinton’s Climate Change Action Plan turned out to be a vague joke. What was intended to be a drastic measure toward the limitation of CO2 emissions turned out to be hot air and speculation on what could be.

My point is that politicians and the government have always had a sardonic disregard for science when it conflicts with policy or whatever the case may be.

Of course it exsists. I've have agreed that it does since it was first debated. I blame it on the terrorists and fast food.

On a serious note though. You can't blame ANYONE for global warming. It takes a CFC almost 40 years to reach the ozone after it has been exposed. CFCs came to be shortly after WWII when it started to be used by auto. manufactures and in refrigeration units. So we are now feeling the effects of our parents generation. As far as pollution goes which greatly increases the greenhouse effect, no political party has ever taken an honest stand in combatting it.

salty dont take it personal man..

i just have heard, seen, and read many an article/blog/rant from right wingers about how science is wrong and there is no such thing as global warming...

hell on srtforums they had a wonderful thread full of idiocy and retardedness about this very topic..

hey sti you got any data to support the 40 year claim?

i would think that gasses would be able to rise faster then that.. esp given the fact that many pollutants are found in jetfuel exhaust as well.. (Which as you know is alot closer to the ozone layer then say my can of hairspray).

andre

I did a report on this way back in the day. I'll look but I can tell you that the diffenence of space between a jet and a can of hair spray is relatively negligable. It'd be like comparing the distance of a drive from Philadelphia to LA and Baltimore to LA. Recently the depletion of the Ozone has greatly subsided due to regulations on the use of CFCs.

Here's a little data from an extremely reputable source about CFCs and the ozone:
[url]http://www.epa.gov/ozone/science/indicat/[/url]

And just to play devils advocate:
[url]http://news.nationalgeographic.com/news/2003/08/0805_030805_ozone.html[/url]

Hahahhahaha common. I just saw Day after Tomorrow.... we're all going to freeze to death!!!!

I predict we'll be smacked by a meteor or have a cataclismic(sp?) eruption before we succeed in killing ourselves.

I wonder if all these greenhouse gas nuts are willing to have nuclear power plants in their back yards???

I surrender, global socialism is the only answer.

[QUOTE=HellaDumb]Hahahhahaha common. I just saw Day after Tomorrow.... we're all going to freeze to death!!!!

I predict we'll be smacked by a meteor or have a cataclismic(sp?) eruption before we succeed in killing ourselves.

I wonder if all these greenhouse gas nuts are willing to have nuclear power plants in their back yards???[/QUOTE]
So we shouldn't do anything about it? Oh what the hell, lets just destroy our planet. Thats best for everyone! :rolleyes: Besides, its not like global-warming is happening or anything.

:rolleyes:

Humans causing Global Warming is bull****.

So, dr3 et al, when will y'all be giving up your Scoobies?

[img]http://www.answers.com/main/content/wp/en/c/c2/Vostok-ice-core-petit.png[/img]

This is a graph of the CO2/dust content of an ice core sample, going back roughly 400k years.
Black: CO2
Blue: reconstructed temperature
Red: dust.
X-axis: time before present (years).
Y axis: CO2 ppmv; other curves rescaled to fit.

Looking at the graph, it looks as though every 100K years or so, us mean ol' Conservatives gut the cats on our cars and just go plum crazy. :rolleyes:

And you ****ing idiots buy this!?

[QUOTE]
The Earth is now absorbing so much heat from the sun that the soot and greenhouse gases that humans are putting in the air appear to be the only reasonable explanation for the warming trend, according to research released Thursday by a team of prominent climate scientists.[/QUOTE]

Bull****.
Expalin how CO2 levels increased 200K years ago?

[QUOTE]There can no longer be substantial doubt that human-made gases are the cause of most observed warming, added Hansen, who has long advanced the idea that human beings have been contributing to global warming, and in recent years has criticized the Bush administration for failing to take aggressive action on the issue.[/QUOTE]

More bull****.

[QUOTE]Just as the sands on a beach warm faster than the waters offshore, oceans respond more slowly to temperature changes than land masses.[/QUOTE]

No ****.
What's the heat/energy capacity of salt water?
I don't know of the top of my head, but it's at least 5 times that of sand.

The relationship between conservatives and the inability to care for the environment is one of the most groundless claims ever.

[quote]
[b]I know you right wingers for the most part have this dellusional view of the world that says global warming isnt real.. [/b] [/quote]

This is a false statement.
An idiot can look at the evidence and see that Earth is getting warmer.
What intelligent people, without a political agenda to push, see is that it's simply part of the Earth's natural cycle of hot/cold.

Yes, people "pollute".
But that amount is far less than what "pollution" Earth puts out on it's own.

[QUOTE=Oaf]So, dr3 et al, when will y'all be giving up your Scoobies?

[img]http://www.answers.com/main/content/wp/en/c/c2/Vostok-ice-core-petit.png[/img]

This is a graph of the CO2/dust content of an ice core sample, going back roughly 400k years.
Black: CO2
Blue: reconstructed temperature
Red: dust.
X-axis: time before present (years).
Y axis: CO2 ppmv; other curves rescaled to fit.

Looking at the graph, it looks as though every 100K years or so, us mean ol' Conservatives gut the cats on our cars and just go plum crazy. :rolleyes:

And you ****ing idiots buy this!?[/QUOTE]

Yes the Earth cycles but at what speed is I think the concern here. In the past it was done naturally. But now it is at a faster rate than ever before because of us. That is a concern most individuals have, including myself. So looking at this issues and seeing how we can change them is not a negative thing. We are killing our planet, not just air pollution, and if we want several generations down the line to have this as a major problem the best thing to do now is to face these issues.

[QUOTE=Oaf]This is a false statement.
An idiot can look at the evidence and see that Earth is getting warmer.
What intelligent people, without a political agenda to push, see is that it's simply part of the Earth's natural cycle of hot/cold.

Yes, people "pollute".
But that amount is far less than what "pollution" Earth puts out on it's own.[/QUOTE]

I disagree we don't put out less than the Earth does. If im wrong I'll admit it but show me some reliable information that says this. We after all we have caused foreset fires, nuclear explosions, nuclear melt downs, tons and tons of oil burn up, and the list goes on. Either way I will admit im wrong if you come up with a reliable source.