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2009-11-25 Science & Technology

Climategate: the final nail in the coffin of 'Anthropogenic Global Warming'?

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Posted by Fred 2009-11-25 00:00|| || Front Page|| [6 views ] Top

#1 No it is not the end for the AGW hypothesis.

For one thing, El Nino is strengthening in the Pacific and for the next few months global temps will probably be a bit higher than the long term (15 year) average.

For another thing, even without the CRU 'data', there is no doubt that CO2 absorbs energy in the visible spectrum (as do other gases, e.g., water vapor) and no doubt that greater absorption of energy leads to a higher temperature in the atmosphere as a whole. The details for how all this works out (e.g., whether and how much lower troposphere heating occurs as a result)in time and space are open (or should be) to investigation, debate, etc.

Posted by lord garth 2009-11-25 10:13|| 2009-11-25 10:13|| Front Page Top

#2 there is no doubt that CO2 absorbs energy in the visible spectrum

Actually, CO2 is transparent in the visible spectrum. Oxygen is the greatest contributor in the visible spectrum. It absorbs the longer visible spectra, so the sky is blue. CO2's absorption peaks are at 2.6, 4.3, and 14-16 microns. Not coincidentally, those are at near 100% peaks for the total atmospheric spectra. That's why doubling CO2 does not double heat absorption. The CO2 absorption peaks are already saturated can add little more. The 1.8um peak being the exception and is the greatest warming contribution w/ rising CO2.

Absorption spectra for major natural greenhouse gases in the earth's atmosphere.

I think a greater effect comes from particulate pollution of the atmosphere and albedo changes to the surface from civilization (roads, roofs, esp carbon black based components like soot) that are strong broadband absorbers from the ultraviolet to the long infrared.

Posted by ed 2009-11-25 11:01|| 2009-11-25 11:01|| Front Page Top

#3 They now sprinkle Concrete dust over the black asphalt, It was found that the sun's heat, combined with the weight of passing traffic would "Sqwoosh" the asphalt and make two "Troughs" where the tires pass, very dangerous, the idea is the asphalt doesn't get so hot, the side effect is less global warming , so its a two-fer.

Posted by Redneck Jim 2009-11-25 13:12|| 2009-11-25 13:12|| Front Page Top

#4 I'm starting to think the Sun and the Oceans maybe have a large effect on stuff, altho I haven't ruled out the Tree Jinn Occilation quiet yet.

Posted by Perry Stanford White 2009-11-25 14:54|| 2009-11-25 14:54|| Front Page Top

#5 thanks ed

my head was thinking 'longer than visible' while my hand was typing

I'm bad like that

Posted by lord garth 2009-11-25 19:16|| 2009-11-25 19:16|| Front Page Top

#6 #3 - that's nonsense - inadequate pavement structural section for the loaded condition (i.e.: buses and trucks) plus poor compaction is the issue. Don't even try me on this...

Posted by Frank G">Frank G 2009-11-25 20:35|| 2009-11-25 20:35|| Front Page Top

#7 Don't even try me on this...

Did they use this crap to cover up shoddy worksmanship and ban studded tires where you live, too?

Posted by gorb 2009-11-25 22:59|| 2009-11-25 22:59|| Front Page Top

#8 Something like this?

It's ashpalt-concrete but the top coating is very light colored.

Posted by ed 2009-11-25 23:31|| 2009-11-25 23:31|| Front Page Top

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