Current Events — HabitableZone

Current Events » in reply to No, that chart is not linear since 70. It is quite curved. Hold the edge of an envelope up to it if you don't believe me.

I was trying to give Rob the benefit of a doubt

The second derivative is small, but non-zero, but not as dramatic as these.

http://blogs.scientificamerican.com/guest-blog/files/2012/09/naam-ice-12.jpg


So much for the "exaggerated and alarmist" predictions from the IPCC...

And if you look at actual measurements of sea ice volume (as opposed to area) it gets really scary.

http://blogs.scientificamerican.com/guest-blog/files/2012/09/naam-ice-08.jpg


These are from an excellent article on the Big Melt in Scientific American. Highly recommended if you'd rather hear from scientists who are not on Big Oil's payroll.

The article explains why the arctic ice is so sensitive to global warming, and is therefore an ideal "canary in the coal mine" type indicator.

http://blogs.scientificamerican.com/guest-blog/2012/09/21/arctic-sea-ice-what-why-and-what-next/

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