We are a commune of inquiring, skeptical, politically centrist, capitalist, anglophile, traditionalist New England Yankee humans, humanoids, and animals with many interests beyond and above politics. Each of us has had a high-school education (or GED), but all had ADD so didn't pay attention very well, especially the dogs. Each one of us does "try my best to be just like I am," and none of us enjoys working for others, including for Maggie, from whom we receive neither a nickel nor a dime. Freedom from nags, cranks, government, do-gooders, control-freaks and idiots is all that we ask for.
Interesting article. The graph shows the geologic time scale covers the entire 4+ billion years of earth history so difficult to see the temperature record at the top of the graph (today). The only temperatures that matter (warmer or colder) are those from the last 12,000 years or so...since the end of the last Ice Age. Bird Dog's home was under a mile or more of ice during that time. Click on this temperature graph for some insight into those temperatures. http://www.climatism.net/wp-content/uploads/2012/09/Dansgaard-Temperature2.jpg
Humans warmed the climate when we became herders, then farmers. We would be in the grips of a deadly Ice Age without that. Source: UVA and Columbia prof of Environmental Studies William Ruddiman, Plows, Plagues, and Petroleum.
Assistant Village Idiot
wamal colding fetishists can never explain the lake-marsh-playa cycle out here in the southwest. the dry lake beds in the Mojave Desert have, in the last 12,000 years, gone about 20 of these cycles.
only the last 2,000 years can be attributed to george w. bush-induced warmering.
just so you know, the Bestest Evah Climate occurred during the Clintonian Stage of the Lower Cretaceous. we must return to those wondrous days or The Earth Will End Soon. this is true, I read it in PLOS.
Donny "The Bear Jew" Donowitz
I liked the climate chart and the article made excellent points about energy density being so important.
But his prescriptions and exhortations are unsupportable and unachievable at this time.
Funny he can claim super high energy densities for fusion when we don't have any clear path forward on the technology, let alone something one could invest in.
BTW, it is not "nuclear waste." It is "nuclear beneficial byproducts!"
This is one of my favorite graphs (vostok with Milankovitch overlay). There are some good papers on same. What is very interesting to me is the movement in the Chandeler's wobble. I've only seen plots from 1840 onward but in all the things on axial motion I've not seen any expectation that the actual center of the axis (around which we wobble) should drift significantly, which is what has been happening since 1900. I've seen some hand waving recently - oh we've wobbled since 2003 because of global warming ice melt but don't worry it's not important. I'm not so sure it can be hand waved as insignificant. What if it's "normal" behavior and it is enough change to cause the climate impacts we've been seeing? What if we were to wobble back? What about Cal Tech's planet Nine with it's hypothesized giant gravity and 20000 orbit? What if we don't wobble back? Anyway, there are certainly some very excited conspiracy theorists. I think some great sci fi could come out of it. On the other hand, the Russians seem to think there's something to it (axial move) in explaining our climate and I think they are not burdened with being forced to think only certain thoughts about climate (watch for revisionists to say global warming really started much earlier - about the time the center point of Chanler's wobble destabilized started to wobble). The more we can measure the more we learn, unfortunately these long cycles will take a long time to understand. If we are at the near end of the interglacial, shouldn't something measurable happen to move us along the Milankovitch cycles? http://www.antarcticglaciers.org/glaciers-and-climate/ice-cores/ice-core-basics/
Nice link. If you are ever in Denver you can stop at the National Ice Core Laboratory at the Denver Federal Center. The tour is a WOW! When I was teaching I scheduled a tour for my Physical Geology class and it was a big hit.
That sounds really cool. I have noticed that the skepticism of the Milankovitch cycles vs climate and ice ages has sort of evaporated since this chart was regressed. Don't even have to do statistics on it, it's that nice of a fit. It speaks for its self.