And interesting discussion has been triggered about the use of proxies to measure global temperature. It developed but the key point seems to be this comment from catweazle666
in response to William Connolley.
“A skeptic actually goes out and reads the scientific literature where this is all described in excruciating and boring detail.”
Actually, i suspect you are making stuff up, as there is not to my knowledge currently no coherent, credible hypothesis – never mind theory – as to precisely how and why serious quantities of thermal energy suddenly decided to change from warming the atmosphere to warming the deep oceans – entirely ignoring the principle of convection, i might add, and further, without producing a characteristic increase in sea level rise commencing at the time it suddenly decided to alter its behaviour.
Not to mention that the relative thermal capacities of air and water tend to indicate that any such increase in temperature would be lost in the noise, of course.
It then moved onto the use of proxies and the hockey stick.
William Connolley says:
> MBH97 comes to mind.
MBH98 is trivially publically accessible (http://www.meteo.psu.edu/holocene/public_html/shared/articles/mbh98.pdf), so that can’t be the one you mean. I don’t know what you mean by ’97. And like it or not, the results of the paper do indeed follow directly from the described methodology and datasets.
> One is left with guessing how they actually measured that.
I’m sorry, I can’t parse that. What did you mean?
Given such a contentious range of issues, and as it was already becoming hard to follow, I decided to elevate the discussion to an article.
BUT NO PERSONAL ATTACKS ON OTHER COMMENTERS.