Greenhouse theory smashed by biggest stone [meteorite, not human emissions]

PhysOrg.com ^ | 13 March 2006 | Staff

[Mike Darancette]

Shaidurov, however, suggests that the rise, which began between 1906 and 1909, could have had a very different cause, which he believes was the massive Tunguska Event, which rocked a remote part of Siberia, northwest of Lake Baikal on the 30th June 1908.

From what I understand the body that triggered the event entered the atmosphere at a very shallow angle, had it not blown up I have always wondered where it would have impacted (if at all).

[Virginia-American]

It is really all the contrails of high alititude airliners injecting water vapor at a critical altitude, where it accumulates and retains more heat for the earth...

There might be something to that. There's been many days when it would be cloudless except for contrails.

[js1138]

That would make high altitude atomic explosions into climate changers. I think we've done a few of those.

[Sundog]

There is a correlary to that one; I have observed NOAA photographs of the oceans where the exhaust plumes of ships become a very significant cause for haze over the oceans.

Having circumnavigated the globe on a ship, I can tell you that when we reached the Mediterranean, there never was an end to the haze over the ocean. Only around the equatorial Pacific ocean was it completely gone.

[GreenFreeper]

More for the global warming list but very interesting and not surprising. We are only begining to understand how the climate functions.

[furball4paws]

So, water is a greenhouse gas? We be in big trouble.

[furball4paws]

You got it backwards. Because of the greenhouse effect, greenhouses have to be well ventilated.

[gondramB]

"You got it backwards. Because of the greenhouse effect, greenhouses have to be well ventilated."

Hmm our atmospheric dynamics professor told us that the CO2 concentrations in a green house were not nearly high enough to explain the temperature rise in green houses - that most of the warmth in a greenhouse comes from eliminating the convection that acounts for most heat exchange at ground level. I have not personally studied the numbers.

[doc30]

It would only serve to encourage them as the argument could be then made that, since the water vapor is all but impossible to control that mankind's efforts to control the remaining gases need be increased to buy a few more generations a little more time.

I've already bumped into that arguement with people I've talked with. I poiunt outn that Mars and Pluto are both heating up and that solar output has increased and would be a far more logical explanation than CO2 on climate change. Their response, after point out the data supporting this is just what you said. If the sun is getting warmer (i.e. global warming is a NATURAL, phenomenon), they then insist that stopping greenhouse gas emissions is even more critical since we don't want to make a bad situation worse. No matter what you say, it's alsways Humanity's (i.e. Bush's Fault).

[muir_redwoods]

"This -- if it proves out -- should throw the environmentalists into a tizzy."

"fraid not. They have been expert at avoiding the ample evidence to the contrary of their pet hypothesis for years and will continue to ignore this and any other evidence which won't force us to shiver in our huts with Prius' parked outside.

[05 Mustang GT Rocks]

You are right, of course. But like I tell my wife, "It just doesn't feel quite right, now that we got here to try and stop everyone else from coming." Most people try to stay somewhat close to the mainfreeways anyway, so if a guy doesn't mind driving longer and dodging deer, it's not so bad.

[onedoug]

...And plug all volcanoes!

[ahayes]

However, the most potent greenhouse gas is water, explains Shaidurov and it is this compound on which his study focuses. According to Shaidurov, only small changes in the atmospheric levels of water, in the form of vapour and ice crystals can contribute to significant changes to the temperature of the earth's surface, which far outweighs the effects of carbon dioxide and other gases released by human activities. Just a rise of 1% of water vapour could raise the global average temperature of Earth's surface more then 4 degrees Celsius.

It would be unwise to be too dogmatic about this. Water has a dual effect--it can raise the temperature by the greenhouse effect and the clouds formed can lower the temperature by increasing the earth's albedo and reflecting more incoming light back into space. He must have considered this in his calculations, but once again the coverage doesn't mention such an obvious detail!

[pogo101]

But I have been assured that Karl Rove Controls The Weather.

[aculeus]

BTTT

[enviros_kill]

Small comets phenomena is amazing (I thought of it while reading the web feed from GreenieWatch-then to see another smart Freeper mention it-cool.) Anyways I read the book on the "snowball comets" in the early 1990s. More evidence of the 'divine design' of the universe and how God purposely planned a home for the crown of his creation - us.

"The Privileged Planet" is a very high quality documentary showing evidence that the Earth is uniquely suited for carbon-based life AND scientific discovery.

http://www.discovery.org/scripts/viewDB/index.php?command=view&id=2170&program=CSC%20-%20Video%20and%20Curriculum%20-%20Multimedia

[TexasTransplant]

Marked for later

[texan75010]

This link has been pulled. Guess they didn't want contrary opinions getting in the way of their funding.

[freepatriot32]

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BTTT