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Politics : Formerly About Advanced Micro Devices

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To: TimF who wrote (935398)5/17/2016 2:47:09 AM
From: Wharf Rat   of 1576102
 
"The basic idea might come from that paper. The data most relevant to today, and the projections based on that data, not so much."

Actually, the IPPC range for sensitivity is pretty much the same as what Arrhenius predicted. You know what's irrelevant? Any paper by denier poster child Richard Lindzen.

Climate sensitivity is a measure of how much our climate responds to an energy imbalance. The most common definition is the change in global temperature if the amount of atmospheric CO2 was doubled....
Lindzen et al also analysed satellite measurements of outgoing radiation over these periods. As short-term tropical sea surface temperatures are largely driven by the El Nino Southern Oscillation, the change in outward radiation offers an insight into how climate responds to changing temperature. Their analysis found that when it gets warmer, there was more outgoing radiation escaping to space. They concluded that net feedback is negative and our planet has a low climate sensitivity of about 0.5°C.

skepticalscience.com

Here's the deal; CO2 still has to go up 150-160 ppm, but temps are already up 1.5 degrees C.
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