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Cold winter ahead? (Read 4331 times)

Paul98

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What, it's all in my head?

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Clyde, NY USA
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Re: Cold winter ahead?
Reply #25 - Sep 4^th, 2008 at 9:21pm

Kevin_M wrote on Sep 4^th, 2008 at 12:50pm:

Paul98 wrote on Sep 3^rd, 2008 at 1:12pm:

Sun spot activity plays a huge role in Earth climate change...

This looked similar to a comment in the article link posted.

Quote:

Svensmark, who recently published a book on the theory, says the relationship is a larger factor in climate change than greenhouse gases.

I would hope huge and larger weren't terms meant to imply certainty.

Quote:

'No Sun link' to climate change

...the contribution of humankind's greenhouse gas emissions has outweighed that of solar variability by a factor of about 13 to one.

According to Terry Sloan, the message coming from his research is simple.

"We tried to corroborate Svensmark's hypothesis, but we could not; as far as we can see, he has no reason to challenge the IPCC - the IPCC has got it right.

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Quote:

More doubt on cosmic climate link

Research has thrown further doubt on the notion that cosmic rays are a major influence on the Earth's climate.

The idea that modern global warming is due to changes in cloudiness caused by solar influences on cosmic rays is popular with "climate sceptics".

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I have noticed the squirrels are gathering.

LOL, echo!

Note the ittle ice age in relationship to reduced sunspot activity. Wink

-P.

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Paul98

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What, it's all in my head?

Posts: 2532
Clyde, NY USA
Gender: male

Re: Cold winter ahead?
Reply #26 - Sep 4^th, 2008 at 9:25pm

Quote:

Hey Paul.

Squirrels are in the rat family so their front teeth never stop growing.
They need to chew all the time to keep from being impaled by them.
Same thing happens with beavers.

Rolo.

The cork like nature of upper Red Pine Bark would not do much to wear down the teeth. I think the teeth grow at a rate they wear with day to day activity. If it was a sudden growth spurt in teeth I would think they would be better off gnawing on hardwood.

-P.

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Kevin_M

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withered branches grow
green again.

Posts: 8754
Michigan, USA
Gender: male

Re: Cold winter ahead?
Reply #27 - Sep 4^th, 2008 at 11:08pm

Paul98 wrote on Sep 4^th, 2008 at 9:21pm:

Note the ittle ice age in relationship to reduced sunspot activity.

Granted, Paul. A period from pre-Industrial to nascent Industrial. Even some effects are variously credited up to the first half of the 20th century dependent upon reconstruction of solar brightness. But no longer as viable an effect since the late 70's to 80, due to... changes.

from 2006 Nature

Quote:

The new study looked at observations of solar brightness since 1978 and at indirect measures before then, in order to assess how sunspots and faculae affect the Sun’s brightness. Data collected from radiometers on U.S. and European spacecraft show that the Sun is about 0.07 percent brighter in years of peak sunspot activity, such as around 2000, than when spots are rare (as they are now, at the low end of the 11-year solar cycle). Variations of this magnitude are too small to have contributed appreciably...

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Similarly concluded by IPCC.

Here where you said:

Quote:

Sun spot activity plays a huge role in Earth climate change...

I took "climate change" as like global warming. You may have simply meant cyclical weather conditions, which is in parallel with the topic of this thread. Sun spots are falling from explainations as of late for global warming type climate change much more these days, to the point that in 2008, Nature wrote:

Quote:

Sun not to blame for global warming.

A study has confirmed that there are no grounds to blame the Sun for recent global warming. The analysis shows that global warming since 1985 has been caused neither by an increase in solar radiation nor by a decrease in the flux of galactic cosmic rays

The findings, published in Proceedings of the Royal Society A, ...

comprehensive (and conclusive) (re)-analysis of solar trends concludes that the sum of natural changes in solar activity since 1985 would have cooled our climate, were it not for the strong warming effect of increased greenhouse gas concentrations.

But blaming the sun for recent global warming is no science-backed position anymore -- it is deliberate disinformation.

« Last Edit: Sep 4^th, 2008 at 11:16pm by Kevin_M »

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