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emfx13
Joined: 25 May 2002
Posts: 959
Location: Hayward Ca.U.S.A. |
 Thu Oct 17, 2002 3:50 am
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Deborah
Joined: 30 Jul 2000
Posts: 731
Location: East Coast |
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Thu Oct 17, 2002 4:12 am
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.....At high altitudes, particles in jet exhaust become seeds for ice crystals that make up contrails. Ice crystals reflect sunlight during the day, possibly cooling the ground below. They may also trap heat after the sun goes down and make the nights warmer.
In the 1960s, scientists proposed that fleets of planes could spawn enough contrails to tweak the climate in industrialized regions.
Recent satellite studies over Europe showed that contrails cover about 1% of the sky--seemingly not an important amount.
However, those satellites watched only the most obvious contrails: long, narrow streaks, many of which fade quickly.
The new research reveals that other contrails can elude detection by mutating into strikingly large, cirruslike clouds.
NASA researchers used geostationary satellites to continuously track three sets of contrails over California and the southern United States in spring 1996.
The contrails, floating at altitudes of about 10 kilometers, lasted between 7 and 17 hours and expanded to enormous sizes by catalyzing the growth of a larger cloud with more ice.
One cloud reached 35,000 square kilometers--the size of Indiana.
At such extents, no satellite or ground-based instrument would recognize the clouds as having arisen from contrails, says atmospheric scientist Patrick Minnis of NASA's Langley Research Center in Hampton, Virginia.
If more high clouds that look like natural cirrus are old contrails in disguise, Minnis says, "that could have a strong regional effect on climate."
Indeed, other studies point to an increase in cirrus clouds during the last 30 years, possibly due to increases in air traffic.....
=+=+=+=+=+=+=+=+=+=+=->
Listen, Pacer - we have a PROBLEM with aircraft emissions. The Europeans don't seem to have any trouble "facing" this reality. Take a look at the mainstream press coming out of the U.K. over the last week or two.
THIS is Reality:
.....What needs to be determined is NOT if these trails are affecting weather, (that is very well documented and now proven conclusively) but whether there is something additional going on besides the unnatural loading of the atmosphere through the everyday/business as usual scenarios we live in.
I would like to believe that all we are noticing is another physical symptom of climate change, manifesting itself through our own wanton chemical pollution. (and if that is all we are dealing with, I suggest it is a lot bigger a problem than any covert operation carried out by TPTB because the effects of climate change will certainly outlive any empire or civilization.).....
This endless petty debate over perceptual capability is ridiculous. I don't have time for this.
PANTRY
http://pub8.ezboard.com/fchemtrailsstratosphericandtroposphericozoneresearch
Help yourselves. It's free. |
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PacerLJ35
Joined: 18 Apr 2002
Posts: 456
Location: Millbrook, AL, USA |
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Thu Oct 17, 2002 4:47 am
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"This endless petty debate over perceptual capability is ridiculous. I don't have time for this"
It's not perception, Deborah, it's called observation. In some cases in life, perception is reality. But in the case of science (and the truth), perception has no place. And I'd imagine you don't have time for this debate because you know people would call you on the carpet for saying your eyeballs at ground level are an equal or better substitute for an observer at altitude with accurate measuring capabilities and a way to identify the other aircraft. |
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Deborah
Joined: 30 Jul 2000
Posts: 731
Location: East Coast |
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Thu Oct 17, 2002 5:05 am
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Your point re: perception vs observation is noted. You are correct in that regard.
Thank you for taking the time to straighten me out.
I will go back to my Dream World now and leave you to your mission.
Cheers,
Deborah |
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PacerLJ35
Joined: 18 Apr 2002
Posts: 456
Location: Millbrook, AL, USA |
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Thu Oct 17, 2002 5:09 am
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"I will go back to my Dream World now and leave you to your mission"
At least there's some truth to that. |
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ellobosolo
Joined: 13 Jun 2002
Posts: 101
Location: Dayton,Oh,U.S.A. |
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Sat Oct 19, 2002 4:16 pm
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While I have nothing to contribute to the information pool, I do want to express my appreciation of the work you folks are doing to get at the truth of the phenomenon that we are witnessing. I have no problem believing that we , as a species, have done more harm, in less time, than any other species on the planet. Once again ,thanks! |
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emfx13
Joined: 25 May 2002
Posts: 959
Location: Hayward Ca.U.S.A. |
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Sat Oct 19, 2002 5:37 pm
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No thank you ELLOBOSOLO,never think that your report's/post's are'nt valuable,everybody count's! |
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SPIDEY
Joined: 09 Oct 2002
Posts: 29
Location: hayward ca |
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Sat Nov 02, 2002 12:24 am
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It was a very interesting, and scary topic. but some things were hard to understand. For the average person who is just noticing these things. |
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