AstroPhool

Phil Bennett

AstroPhool’s Activity

Wed Nov 19

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Boards Post

AstroPhool replied to the Climate Change board. 10:15 AM

Re: Longwave & Shortwave Radation

Instead of carbon dioxide being like a blanket that slowly warms the planet, after about a decade most warming comes from melting ice and snow and a more moist atmosphere, which both cause Earth to absorb more shortwave radiation from the [more]

Thu Nov 6

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AstroPhool replied to the Climate Change board. 4:00 PM

Re: A Look At The Arctic Death Spiral

Which states that by 2020 there will be a temperature anomaly of 0.7

Actually it's more like 1.0 C.

The baseline for the temperature anomaly is, I believe, the 30-year mean from 1950 to 1980. Significant warming has already [more]

Tue Oct 28

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AstroPhool replied to the Climate Change board. 2:02 PM

Re: CO2 Is Not A Black Body Radiator

In addition, the emissivity of IR radiation by CO2 declines with temperature instead of increasing in proportion to the 4th power of temperature. From The Hockey Schtick:

This is completely incorrect!!

The Hockey [more]

Fri Oct 24

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AstroPhool replied to the Climate Change board. 3:49 PM

Re: CO2 Increase is not Nemesis

So (thinking like a skeptic) given the choice between typical glacial temps and an overly-warm CO2-forced temp, perhaps we would rather be hot.

Do you think we have the power to forestall the end of the interglacial indefinitely if we are
[more]

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AstroPhool replied to the Climate Change board. 3:44 PM

Re: CO2 Increase is not Nemesis

Phil, in this last fairly long post of yours, you are not telling us what is wrong with what I said and you are not explaining why CO2 is causing warming.

OK, I'll try and do this here.

Each patch of land, every rock, [more]

Thu Oct 23

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AstroPhool replied to the Climate Change board. 11:04 PM

Re: CO2 Increase is not Nemesis

The interglacials are just out on the far warm wing of this skewed frequency temperature distribution.

oops!... better make that last bit:

The interglacials are just out on the far warm wing of this skewed temperature [more]

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AstroPhool replied to the Climate Change board. 10:52 PM

Re: CO2 Increase is not Nemesis

Yes, I think I've got it now. The Y axis would make more immediate sense to me (as a lay person) if it were labled:

Frequency of Occurence of Delta T


Agreed! I've redone the figure with that change made:

[more]

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AstroPhool replied to the Climate Change board. 7:50 PM

Re: CO2 Increase is not Nemesis

I see delta T on both the X and Y axes. That is not the typical kind of graph that I am used to looking at it.

Help me out here.


Peter, this figure shows the frequency distribution of temperatures, normalized to unit [more]

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AstroPhool replied to the Climate Change board. 7:33 PM

Re: CO2 Increase is not Nemesis

In regard to Roy Spencer's figure of Earth's infrared emission spectrum:

http://www.drroyspencer.com/wp-content/uploads/Petty-fig6.6-...

Ajax [more]

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AstroPhool replied to the Climate Change board. 6:31 PM

Re: CO2 Increase is not Nemesis

Minor point: shouldn't we say that currently the Earth's temperature is BI-STABLE when considering an entire glacial period?

This is an idea that has been around for a while, but there is no evidence to substantiate it.

The [more]

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Three stars, 500 posts Old School Fool
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