Tag Archives: Climate etc.

Early 20th century warming

I’ve noticed that Judith Curry is discussing the early twentieth century warming. The idea is that there was a period of warming during the early twentieth century that was similar to the warming we’ve experienced since the second half of … Continue reading

Posted in Climate sensitivity, ClimateBall, Judith Curry, Pseudoscience | Tagged , , , , | 34 Comments

Initial value problem vs boundary value problem

I haven’t actually looked at Judith Curry’s blog for a while, but popped across there and noticed a guest post about energy budgets, climate system domains, and internal variability. One reason why we think that we can actually do long-term … Continue reading

Posted in Climate change, ClimateBall, Science | Tagged , , , , , , , | 392 Comments

Red Team vs Blue Team

Having some kind of Red Team exercise, to test and challenge the climate science consensus, seems to be gaining a small amount of momentum. Steve Koonin (who I have discussed before) has an article in the Wall Street Journal called … Continue reading

Posted in Climate change, ClimateBall, Gavin Schmidt, Judith Curry, Research, Science, The scientific method | Tagged , , , , , , , | 113 Comments

Reconciling ECS estimates – again

I’m heading home after giving a public talk, and have a bit of time to write about the recent Armour paper Projection and Prediction: Climate Sensitivity on the rise. It’s basically another attempt to reconcile energy balance estimates for climate … Continue reading

Posted in Climate change, Climate sensitivity, ClimateBall, Judith Curry, Science | Tagged , , , , , | 118 Comments

We can never “know” anything

Judith Curry has waded into the consensus discussion by highlighting a post written by two people I’ve never heard of and – from what I can find – have no actual expertise in this topic whatsoever. Apparently the key point … Continue reading

Posted in Judith Curry, Science | Tagged , , | 373 Comments

AGU position statement

The American Geophysical Union (AGU) has a position statement on human-induced climate change of which Judith Curry was harshly critical. Roger Pielke Sr has pubished a dissenting view. If it is indeed so appalling, I thought I might work through … Continue reading

Posted in Climate change, ClimateBall, Judith Curry, Science | Tagged , , , , | 159 Comments

Record Warmth

Michael Mann, Stefan Rahmstorf and colleagues have a new paper on the likelihood of the recent warmth. What they’re investigating is the run of warm years we’ve seen recently – 13 of the warmest 15 years have happened since 2000, … Continue reading

Posted in Climate change, Climate sensitivity, Global warming, Judith Curry, Science | Tagged , , , , , | 62 Comments

Mass Balance

I once again managed to get involved in a discussion on Judith Curry’s blog about the rise in atmospheric CO2. This time was slightly better than it has been in the past, as most seemed to at least agree that … Continue reading

Posted in Climate change, ClimateBall, Global warming, Judith Curry, Science | Tagged , , , , , | 302 Comments

Sensitivity to cumulative emissions

Something I’ve mentioned here quite regularly is the idea that warming depends roughly linearly on cumulative (total) emissions. This is slightly counter intuitive, in that warming depends logarithmically on atmospheric CO2 concentration. The reason is essentially that it incorporates climate … Continue reading

Posted in Climate change, Climate sensitivity, ClimateBall, Global warming, IPCC, Judith Curry, Science | Tagged , , , , , , | 202 Comments

Stocks and flows

There has been quite a remarkable thread on Judith Curry’s blog called quantifying the anthropogenic contribution to atmospheric CO2. Remarkable for a number of reasons. One being that Judith would post it without comment. What Judith says in the comments … Continue reading

Posted in Climate change, ClimateBall, Science | Tagged , , , , , | 69 Comments