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Yet another way to tell that humans are causing climate change

Poor Debater

Poor Debater

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It's been done statistically. It's been done empirically. It's been done theoretically. And now, further proof that climate change is being caused by us, in another new way: Information theory.

Stipps et al. On the causal structure between CO[sub]2[/sub] and global temperature. Scientific Reports 6, Article number: 21691 (2016) doi:10.1038/srep21691

We use a newly developed technique that is based on the information flow concept to investigate the causal structure between the global radiative forcing and the annual global mean surface temperature anomalies (GMTA) since 1850. Our study unambiguously shows one-way causality between the total Greenhouse Gases and GMTA. Specifically, it is confirmed that the former, especially CO[SUB]2[/SUB], are the main causal drivers of the recent warming. A significant but smaller information flow comes from aerosol direct and indirect forcing, and on short time periods, volcanic forcings. In contrast the causality contribution from natural forcings (solar irradiance and volcanic forcing) to the long term trend is not significant. The spatial explicit analysis reveals that the anthropogenic forcing fingerprint is significantly regionally varying in both hemispheres. On paleoclimate time scales, however, the cause-effect direction is reversed: temperature changes cause subsequent CO[SUB]2[/SUB]/CH[SUB]4[/SUB] changes.
Click to expand...
 
[h=1]Climate policy kills[/h] Posted on 23 Feb 16 by Paul Matthews • Leave a comment
A common theme at Bishop Hill is how policies that are supposed to help the environment actually do the opposite. Examples include biofuels, windfarms, and chopping down trees in the US to burn at Drax. But it’s rare to hear this point made on the BBC, so I was amazed to hear this exchange on … Continue reading →
 
LOL...

I read the report. Did you Poor Debater?

On the causal structure between CO2 and global temperature

They only use 156 years of data, of which the sun has significantly increased radiative forcing as well. they don't say how they removed the solar signal, nor do they hindcast their model.

LOL...

I want to see this work in hindcast mode!
 
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