Category Archives: CRU

HadSST4 and knock on effects

The new version of the HadSST4 has reassigned ship basedĀ  measurements from before WW IIĀ  into the early 1990s. Bias adjustments depend on the fraction of measurements using wooden or canvas buckets and engine room intakes (ERI), which are partly … Continue reading

Posted in AGW, Climate Change, climate science, CRU, UK Met Office | Tagged | 15 Comments

H3-H4 temperature differences

In this post I look at the effect of changes in the original set of CRUTEM3 stations. Shown below are the spatial changes in temperatures between HadCRUT3 (2013) and the latest HadCRUT4.6 (2019) from 1998 to 2010. These are calculated … Continue reading

Posted in AGW, Climate Change, climate science, CRU | 10 Comments

Some CRU Anomalies

The previous post showed that changes to weather station data between CRUTEM3 and CRUTEM4.6 are responsible for converting the Hiatus into a warming trend. Here I look into some examples of those changes. I first looked for big changes in … Continue reading

Posted in AGW, Climate Change, CRU | Tagged | 12 Comments