Google Earth kavachi volcano

The Kavachi Sharcano

Guest Post by Willis Eschenbach The Solomon Islands, where I lived for eight years, is just north of Australia and just south of the Equator. It is part of the “Ring Of Fire”, the area of strong earthquake and volcanic activity that encircles the Pacific. You can see below that the islands are on a…

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An Albedic Curiosity

Guest Post by Willis Eschenbach I had one of my investigations take a curious turn recently. I was going to use as my springboard the most interesting 2015 paper entitled The Albedo Of Earth, by Graeme L. Stephens et al. However, a strange thing happened along the way. I got to thinking about their Figure…

exxon valdez

Exxonomics

Guest Post by Willis Eschenbach The British rag “The Guardian” gets astounding web traction. Here’s the headline and first part of a story that, despite only being posted yesterday, has already spawned ninety-five copies across the web: Exxon knew of climate change in 1981, email says – but it funded deniers for 27 more years…

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NOAA Jumps The Climate Shark

Guest Post by Willis Eschenbach The Guardian, that endless source of climate activism, expoundeth as follows: 15,000 sq km of coral reef could be lost in current mass bleaching, say scientists Noaa predicts third-ever global bleaching event could cause a 6% global reduction in coral reefs in less than two years. A massive coral bleaching event…

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A Way To Calculate Effective N

Guest Post by Willis Eschenbach One of the best parts of writing for the web is the outstanding advice and guidance I get from folks with lots of experience. I recently had the good fortune to have Robert Brown of Duke University recommend a study by Demitris Koutsoyiannis entitled The Hurst phenomenon and fractional Gaussian…

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Repeated Trials, Autocorrelation, and Albedo

Guest Post by Willis Eschenbach OK, quick gambler’s question. Suppose I flip seven coins in the air at once and they all seven come up heads. Are the coins loaded? Near as I can tell, statistics was invented by gamblers to answer this type of question. The seven coins are independent events. If they are…

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Silver Ants

Guest Post by Willis Eschenbach I stumbled across a lovely article about the Saharan silver ant over at phys.org. These ants have special hairs that reflect strongly in the visual and radiate strongly in the infrared. They show a photo of the ant hairs under a couple different amounts of magnification: Figure 1. Photograph from the phys.org…