offset 0.236

Is WTI Dead? And HadCRUT Adjusts Up, Again… (Now Includes August Data except for HadCRUT4.2 and HadSST3)

Guest Post by Werner Brozek, Commentary By Walter Dnes, Edited by Just The Facts: Update: Comment from Tim Osborn of the University of East Anglia (UEA), Climatic Research Unit (CRU), appended to the end of this article as it offers additional background on the recent changes to HadCRUT and HadSST. The WoodForTrees Index (WTI) is…

About these ads

GISS Hockey-Stick Adjustments

Guest Post By Walter Dnes: There have been various comments recently about GISS’ “dancing data”, and it just so happens that as GISS data is updated monthly, I’ve been downloading it monthly since 2008. In addition, I’ve captured some older versions via “The Wayback Machine“. Between those 2 sources, I have 94 monthly downloads between…

The Slow Fourier Transform (SFT)

Guest Post by Willis Eschenbach While investigating the question of cycles in climate datasets (Part 1, Part 2), I invented a method I called “sinusoidal periodicity”. What I did was to fit a sine wave of various periods to the data, and record the amplitude of the best fit. I figured it had been invented…

Lakes For Sale, Partially Thawed, N=20

Guest Post By Willis Eschenbach Anthony pointed out the selling of overhyped claims of the “dramatic thinning” of Arctic ice here. The title of the underlying scientific study is much more prosaic, Response of ice cover on shallow lakes of the North Slope of Alaska to contemporary climate conditions (1950–2011): radar remote-sensing and numerical modeling…