Author Archives: drj

How to run ccc-gistemp with ISTI

Thanks to Piotr Djaków for prompting me to write this post. ISTI is the International Surface Temperature Initiative, previously I’ve written about using ccc-gistemp with the ISTI data. While I’ve modified ccc-gistemp to be able to use the ISTI Stage … Continue reading

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You won’t believe what global record 2014 just broke!

Well, this being a blog where I mostly write about ccc-gistemp which computes global temperature anomaly, maybe you can guess. Preliminary analysis shows that 2014 was the hottest year on record. Of course there are caveats and qualifications. ccc-gistemp is … Continue reading

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June, July, August

Last month I added code to so that it could more easily display the seasonal averages computed by ccc-gistemp and GISTEMP. We can display temperature change for a particular season. It is customary for meteorologists to define seasons in … Continue reading

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ISTI has more data

When we’re using the ISTI dataset with ccc-gistemp, what advantage does it give us? The northern hemisphere is already well sampled, so it doesn’t give us much there. Does it do any better in the southern hemisphere? This is a … Continue reading

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What good is MADQC?

I previously blogged about running ccc-gistemp with the ISTI Stage 3 dataset, and I slipped into that blog post the fact that I had to QC (Quality Control) the data. The purpose of QC is to eliminate data that is … Continue reading

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ccc-gistemp and ISTI

This post is also published at the International Surface Temperatures Initiative blog. ccc-gistemp is Climate Code Foundation‘s rewrite of the NASA GISS Surface Temperature Analysis GISTEMP. It produces exactly the same result, but is written in clear Python. I’ve recently … Continue reading

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ZONTEM is simpler, clearly

How simple can a temperature analysis be? The original inspiration for Climate Code Foundation was ccc-gistemp. Our original pro-bono rewrite of NASA GISTEMP. Software that shows global historical temperature change. We wanted the average person on the Clapham omnibus to … Continue reading

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Catching up

I’ve been spring cleaning. For too long I have neglected ccc-gistemp (our clear rewrite of GISTEMP). For a while now it has not been possible to run it. The problems were mostly due to finding the right Sea Surface Temperature … Continue reading

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Software Carpentry Boot Camp, Edinburgh

In a break from Nick’s recent Picking Winners series, an interlude from David about Software Carpentry—definitely a winner. I went wearing my Climate Code Foundation badge to Edinburgh to help out at the Software Carpentry Boot Camp hosted by EPCC … Continue reading

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Nature Figure

The April issue of Nature Climate Change features a figure produced by Climate Code Foundation, illustrating this article. This page is the “supplementary information” regarding that figure. Updated to state these errata: in the print edition of Nature Climate Change, … Continue reading

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