Little Ice Age (Solar Influence)

CO2 Science Magazine ^ | December 18, 2002 | Staff Summary

[Siobhan]

Your theory is worth being tested, but don't forget that we see the sun through the filter of layers of our atmosphere.

The question I have is what, if anything, has changed in our atmosphere to alter the way light filters to us from the sun.

My own anecdotal experience is that the I perceive the sun as whiter and the sunlight as harsher. I aslo wonder about the Earth's own electro-magnetic fields.......

[Siobhan]

We don't have crows, but it seems like there are more ravens these days.

I have read reports of marked increases in various black colored bird populations:such as crows and grackles in North America.

[Phil V.]

The observation is this: Artificial lighting has gotten warmer, . . . burn dimmer and considerably . . . taking yellow and pink/orange as normal. Then, . . . who stare at computer monitors every waking hour are . . . appreciably whiter, but we are getting unused to natural light.

Does that have anything to do with this observation . . .? . . . I remember that Tonto (Kemosabi's pal) could tell time by the sun. I tried to do that, but I could not see the numbers. Is that because the sun is now whiter and the extra light is blocking the numbers? Can Tonto still tell time by looking at the sun? . . . probably not . . . pity.

SUVs must GO!

[ancient_geezer]

This article at SEPP implies that the IPCC generated assumptions to get the results they wanted:

It appears the IPCC apparently is not above a few ad-hoc changes to their reports as well:

http://www.sepp.org/keyissue.html

The IPCC Controversy: In May 1996, unannounced and possibly unauthorized changes to the latest United Nations report on climate change touched off a firestorm of controversy within the scientific community. The Intergovernmental Panel on Climate Change (IPCC), the science group that advises the United Nations on the global warming issue, presented the draft of its most recent report in December 1995, and it was approved by the delegations. When the printed report appeared in May 1996, however, it was discovered that substantial changes and deletions had been made to the body of the report to make it "conform to the Policymakers Summary." The clandestine changes put a spin on the report's conclusions that "the balance of evidence suggests a discernible human influence on global climate." Lead authors of the crucial--and doctored--Chapter 8, dealing with the detection and attribution of climate change, have since backed off from this conclusion and now admit that it may take 10 years or more before any human influence on climate can be detected. For commentary and letters on this issue, see IPCC.

[Valin]

Some say the world will end in ice,
and others say by fire.
But what I've tasted of desire,
I think I'd rather fire.

[SevenDaysInMay]

I think it may be that we're getting accustomed to yellow journalism.

[geopyg]

Gee- Who'd a thunk the SUN would have an effect on our climate?! I was doing some work for an environmental geologist and mentioned that I had read an article that said Mar's polar ice caps were shrinking.

I said something like "it's terrible that we drive our SUV's and run our factories and cause all these greenhouse gases. It's getting so bad that now they are even causing Mar's ice caps to melt". He said "Yeah, you wonder where it's going to end" in all seriousness. I looked at him kind of funny and said, no - it probably has something to do with that big heater in the sky. He said "oh".

Perhaps he was just trying to be polite to me and making small-talk, but I don't think so.

[justa-hairyape]

How could something that is so obvious have gone so virtually ignored for almost the entire previous millenia ? Yes virginia, the suns output is an important factor affecting the earths climate. In fact its the most important factor. We should have had satellites up in orbit monitoring spectral emmissions from the sun for decades. Of course it varies and of course these variations have a tremendous impact on the earth. Duh ! This is a perfect example of how 'science' has been perverted into 'political science'. The politics of the sun being the problem did not generate enough lobbyist buying influence within washington to get the politicians to fund the research into the sun being the problem (ie- Not enough 'we can fix the sun' lobbyist). So anyone that thinks modern science generates absolute truths, is being naive. If anything, science is being ruined by politically influenced funding. The funding has been generating the science. For science to generate cogent absolutes, the science should be generating the funding.

[aruanan]

I showed another post-doc a graph they produced of the solar cycles overlaying the land temperature cycles over the past centuries. She then laughed at the notion that global warming cycles are anthropogenic.

[buffyt]

I love to mention that global warming gave us the end to the ice age, and that solar activity affects the earth temperatures. People who believe in manmade global warming just get quiet for a minute or two, before they launch their next attack. I know that our highest recorded temps. here in Lake Jackson Texas were in the 1940s and that doesn't fit into their chart for manmade global warming now.

[RightWhale]

I aslo wonder about the Earth's own electro-magnetic fields.......

The local institute srudies that specifically. The Aurora, plasma fields. They have satellites, sounding rockets, sensors from here to Finland, and more PhDs than would fit in a city bus on the way to a junketconference in Madrid. If there were changes in the mag field, they would be highly incentivized to say something.

[RightWhale]

How could something that is so obvious have gone so virtually ignored for almost the entire previous millenia ?

Scientists are observing the sun as never before. They have sun satellites, sun sensors, solar tomagraphs, and many are making sun science their career. The sun has not been overlooked; the sun is better known than ever before. Meteorologists use sun data in their climate models. Always have, always will.

[Ernest_at_the_Beach]

good reference:

FUEL SCIENCE SEMINAR -- Sallie Baliunas

Title:

SOLAR VARIABILITY AND CLIMATE CHANGE

Speaker:

Ms. Sallie Baliunas
Senior Astrophysicist
Harvard-Smithsonian Center for Astrophysics

Date:

Monday, April 17, 3:30 pm
Ben Bandy Conference Center
Center for Applied Energy Research

Abstract:

Recent evidence for the sun's influence on climate change comes from modern measurement programs and computer simulations of the climate. Not only correlations between solar variability and climate change but also mechanisms underlying them are being studied.

One possible mechanism driving climate change is total irradiance change of the sun. Satellite measurements for nearly two decades show that the sun's total irradiance changes in step with the 11-year sunspot cycle.

Solar variations are generally only crudely predictable, thus leaving us with direct measurements over too short and interval to study properly the solar influence on climate change over time scales of centuries.

But studies of sun-like stars can yield information on solar variability over such time scales. At Mount Wilson Observatory the surface magnetic activity of sun-like stars has been monitored for over 30 years. These records detail the counterpart of the 11-year sunspot cycle in stars close in mass and age to the sun. In parallel, observations of brightness changes in sun-like stars have been made for over a decade. Considered together, these records on surface magnetism and brightness changes in sun-like stars yield estimates of solar variations over centuries.

Those estimated brightness variations have been studied in computer simulations of the climate which suggest that the solar irradiance change explains at least 50% of the variance of the changes in global surface temperature over the last 100 years.

[Ernest_at_the_Beach]

Global Warming Hoax :

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[SunkenCiv]

Note: this topic is from 12/20/2002. Thanks PeaceBeWithYou.

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[SunkenCiv]

GGG managers are SunkenCiv, StayAt HomeMother & Ernest_at_the_Beach	join list or digest view topics view or post blog bookmark post a topic subscribe
Note: this topic is from 12/20/2002. Thanks PeaceBeWithYou. To all -- please ping me to other topics which are appropriate for the GGG list.

[Little Bill]

I was looking at the weather in England over the last several years. It reminded me of the weather fluctuation's leading up to the Great Famine of the early 1300’s, The Black Death, and the Little Ice Age. Looks like research time.

[null and void]

I miss RightWhale...

[SunkenCiv]

Me too.