“Core-mantle magnetic flux shifts probably driving climate change”
April 20th, 2008 by Warwick HughesThis is the claim of Peter Ravenscroft who has a web page including a graphic showing the relationship between core-mantle magnetic flux and a proxy ice core temperature record going back 800,000 years.
He also says that evidence indicates this theory can explain the warming we are all aware of in Siberia and the Antarctic Peninsular.
Posted in Atmospheric science, IPCC, News and Views | 1 Comment »
April 22nd, 2008 at 7:28 am
Unfortunately his statistical analysis is the well-known technique called “squint and handwave”.
He’s not the only person to do this. I’ve already blogged on this technique being done by NASA. Its just as invalid when NASA does it.
Although I appreciate that the two greatest warming regions on Earth (the Antarctic Peninsula and Siberia) appear to be on exactly the opposite sides of the world, it takes a stronger link than that to infer a causation in the Earth itself.
The Antarctic Peninsula has active volcanoes on it and in the waters around it, Siberia does not. Siberia is too far from the Pacific Ring of Fire to be affected by a thin oceanic crust being subducted and heated.
I suspect that the AP is being affected by vulcanism, but Siberia is very definitely an atmospheric phenomenon.