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Twit of wit
Posted: Thu Feb 25, 2010 5:52 pm    Post subject: Global temperatures correlated with CO2 rise? Reply with quote

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I noticed this:

http://www.woodfortrees.org/plot/esrl-co2/mean:12/derivative/normalise/from:1975/plot/rss/from:1960/normalise
http://www.woodfortrees.org/plot/esrl-co2/mean:12/derivative/normalise/plot/gistemp/from:1955/normalise

It seems that CO2 rise is very well correlated with global temperatures. Does that prove that higher temperatures=less CO2 absorbed? Or is there another explanation?

(no trolling, please)
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free radical
Posted: Thu Feb 25, 2010 7:10 pm    Post subject: Reply with quote

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Can also mean that increased CO2 emission outstrips increased absorption.
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Twit of wit
Posted: Fri Feb 26, 2010 5:17 am    Post subject: Reply with quote

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huh? What release outstrips what increased absorbtion?
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Wild Cobra
Posted: Fri Feb 26, 2010 10:27 am    Post subject: Reply with quote

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Do some research on Solubility of gasses in liquids vs. temperature, and keep in mind that the oceans contain more that 50 times the carbon that the atmosphere does.

Also see:

The Acquittal of CO2

CO2: Why Me?
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free radical
Posted: Fri Feb 26, 2010 12:56 pm    Post subject: Reply with quote

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Twit of wit wrote:
huh? What release outstrips what increased absorbtion?


If more CO2 is produced, then more CO2 is in the atmosphere.

If more CO2 is absorbed, then less CO2 in the atmosphere.


Whether CO2 in the atmosphere goes up or down depends on both sides of this 'equation.'
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marnixR
Posted: Fri Feb 26, 2010 1:13 pm    Post subject: Reply with quote

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correct if i'm wrong, but i thought the OP was referring to whether an increased CO2 content in the atmosphere leads to an increased absorption rate in the oceans or not
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free radical
Posted: Fri Feb 26, 2010 2:05 pm    Post subject: Reply with quote

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No idea, I thought the OP was asking if the higher CO2 associated with warm periods proves that higher temperatures prohibit absorption.

To which the answer is no.

If higher temperatures do not allow as much absorption, such a state is not proven by a correlation between CO2 and temperature.
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Jason_85
Posted: Fri Mar 05, 2010 3:12 am    Post subject: Re: Global temperatures correlated with CO2 rise? Reply with quote

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Twit of wit wrote:
I noticed this:

It seems that CO2 rise is very well correlated with global temperatures. Does that prove that higher temperatures=less CO2 absorbed? Or is there another explanation?

(no trolling, please)


The graphs don't prove it, but the scientific consensus is that yes, this is the case. There is also a feedback cycle. Higher temperatures decrease CO2 retention, which increase CO2 levels in the atmosphere, further increasing temperature.
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Lynx_Fox
Posted: Fri Mar 05, 2010 9:03 am    Post subject: Reply with quote

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Going to preempt this thread.

Any suggestion that puts forth the false dichotomy that Co2 is either a forcing OR NOT without other possibility is going to be deleted without warning. Discussions of the feedback loops between other forcing and Co2 are welcome.

Likewise the half century old mistaken argument about Co2 saturation are going to be deleted without warning.

That leave a whole lot of worthwhile and relevant discussion.

Carry on.
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fatooma
Posted: Wed May 19, 2010 7:55 am    Post subject: Reply with quote

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an increase in carbondioxide level increases the greenhouse effect, this increases the temperature of the planet which causes global warming!
i read in my biology textbook that you cannot say that the relation between carbondioxide and temperature is casual relationship because other factors might effect eg.solar activity
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LunchBox
Posted: Wed May 19, 2010 8:29 am    Post subject: Re: Global temperatures correlated with CO2 rise? Reply with quote

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Twit of wit wrote:
(no trolling, please)


LOL...irony.
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Wild Cobra
Posted: Wed May 19, 2010 3:53 pm    Post subject: Reply with quote

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fatooma wrote:
an increase in carbondioxide level increases the greenhouse effect, this increases the temperature of the planet which causes global warming!
i read in my biology textbook that you cannot say that the relation between carbondioxide and temperature is casual relationship because other factors might effect eg.solar activity

Sure I can.

The ocean is the largest sink of CO2. A minor temperature increase releases CO2 into the atmosphere.

Why else have CO2 levels changed, following the temperature with a lag? This trend follows well, long before we did any industrialization.
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Topalk
Posted: Wed May 19, 2010 4:31 pm    Post subject: Reply with quote

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marnixR wrote:
correct if i'm wrong, but i thought the OP was referring to whether an increased CO2 content in the atmosphere leads to an increased absorption rate in the oceans or not


no CO2 makes the ocean more acidic
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Wild Cobra
Posted: Fri May 21, 2010 8:32 am    Post subject: Reply with quote

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Topalk wrote:
marnixR wrote:
correct if i'm wrong, but i thought the OP was referring to whether an increased CO2 content in the atmosphere leads to an increased absorption rate in the oceans or not


no CO2 makes the ocean more acidic

Have you by chance done the math on that to see how much of a CO2 change is needed for a 0.1 PH change?
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Twit of wit
Posted: Fri May 21, 2010 9:14 am    Post subject: Reply with quote

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Wild Cobra wrote:
Topalk wrote:
marnixR wrote:
correct if i'm wrong, but i thought the OP was referring to whether an increased CO2 content in the atmosphere leads to an increased absorption rate in the oceans or not


no CO2 makes the ocean more acidic

Have you by chance done the math on that to see how much of a CO2 change is needed for a 0.1 PH change?

Ocean acidification is ongoing and well measured, so what is your point?
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