Monthly Archives: September 2014
Science journals Editor-in-Chief Dr Marcia McNutt discusses the Western Hemisphere-wide crisis brought on on massive drought. Dr McNutt concludes her editorial with: Surface- and groundwater are all part of one coupled system, responding on different time scales to changes in … Continue reading
“A multiyear, global gridded fossil fuel CO2 emission data product: Evaluation and analysis of results”, S. Asefi-Najafabady, P. J. Rayner, K. R. Gurney, A. McRobert, Y. Song, K. Coltin1, J. Huang, C. Elvidge, and K. Baugh, Journal of Geophysical Research: … Continue reading
… [O]ne of the most keenly watched speeches at the summit was made by actor Leonardo DiCaprio, a freshly appointed UN climate envoy. He said he played fictitious characters solving fictitious problems for a living. “I believe humankind has looked … Continue reading
Yep, that’s about the size of it: “If the science is true, their whole ideological project falls apart”
Part 1 of Democracy Now interview with Naomi Klein. Part 2 of that interview. And Professor Hansen, like Dr Klein, accuses “Big Green” environmental organizations as cooperating with fossil fuel companies rather than opposing them. Democracy Now has a transcript … Continue reading
Price Waterhouse Coopers estimates 20 years until the global blows the danger point of climate change if emissions continue
Good article at Citylab and an even better report from pwc.
Professor Steven Koonin offers up another dollop of vague, specious criticism of climate science in his editorial in The Wall Street Journal. He is credentialed, no doubt authoritative. But compelling arguments for a position should be judged as if the … Continue reading
Germany’s energy revolution and its effect upon the world, in The New York Times. Details here. Video on offshore wind. The roots of the energiewende.
Professors Jacoby and Chen have issued a report as part of the MIT Joint Program on the Science and Policy of Global Change which handicaps the outcomes of the negotiations which, by international agreement, need to take place in 2015 … Continue reading
Setting aside outright fabrications (1) such as those promulgated by the Representative Lamar Smith (R-Texas), laughingly selected as the Chair of the House Committee on Science, a common claim in the Comment sections at The Hill and elsewhere is that … Continue reading
dp-means algorithm. Think k-means but with the number of clusters calculated. By John Myles White, in R. (Github link off that page.) By Scott Hendrickson, in Python. (Github link off that page.)
Originally posted on Dr Climate:
In today’s modern world of big data and high resolution numerical models, it’s pretty easy to write a data analysis script that would take days/weeks (or even longer) to run on your personal (or departmental)…
This is a sketch of how maths and statistics can do something called blind source separation, meaning to estimate the components of data given only their totals. Here, I use Bayesian techniques for the purpose, sometimes called Bayesian inversion, using … Continue reading
The title is a paraphrase. This post is written with some irritation at a NOAA meteorologist, (presumably Dr) Glen Field who, on camera, flaunts his poor knowledge of probability and statistics, and misleads the public in doing so. See this … Continue reading
On the power of mathematics, and why 55:45 versus 50:50 matters.