Narwhals freeze? Really?

Guest essay by Mike Jonas The UK’s public broadcaster, the BBC, reported on 7 December 2017 that: Narwhal escape: Whales freeze and flee when frightened Scientists who fitted heart rate-monitoring tags to Arctic narwhals have discovered a strange paradox in how the animals respond to threats. When these tusked whales are frightened, their hearts slow,…

Sun-Cloud-Ocean Update

Guest essay by Mike Jonas “so much to say…so little time.” – Roy Spencer I have at last found the time for the next step in my Sun-Cloud-Ocean calculations. But first, I would like to thank everyone who commented on my previous article. Some are addressed directly below, and all comments (well, most) were useful.…

Inside the Climate Computer Models

Guest essay by Mike Jonas In this article, I take a look inside the workings of the climate computer models (“the models”), and explain how they are structured and how useful they are for prediction of future climate. This article follows on from a previous article (here) which looked at the models from the outside.…

Circular Logic not worth a Millikelvin

Guest post by Mike Jonas A few days ago, on Judith Curry’s excellent ClimateEtc blog, Vaughan Pratt wrote a post “Multidecadal climate to within a millikelvin” which provided the content and underlying spreadsheet calculations for a poster presentation at the AGU Fall Conference. I will refer to the work as “VPmK”. VPmK was a stunningly…

Peak Oil – the R/P Ratio re-visited

Guest post by Mike Jonas On Dec 13, Willis Eschenbach posted a convincing (and eloquent as always) argument “The R/P Ratio” against Peak Oil being imminent. I would like to present a different view. In fact I draw the opposite inference from the same statistic. From the BP data [1], Willis argued that the “R/P…