Data availability for the paper:

"Rapid warming and degradation of mountain permafrost in Norway and Iceland" 
by Bernd Etzelmüller, Ketil Isaksen, Justyna Czekirda, Sebastian Westermann, Christin Hilbich, Christian Hauck
The Cryosphere, 2023 
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The zip-file contains ascii files of 

- daily ground temperatures at the sites 
- air (SAT) and ground surface (GST) temperatures which are not covered by operational weather stations. 

The operational weather station and permafrost data are freely available through the Frost API (https://frost.met.no/) 
and seKlima (https://seklima.met.no/) at the Norwegian Meteorological Institute and from the 
Icelandic Met Office (https://en.vedur.is/climatology/data/)
The file naming follows the site names in the paper. 
The first line is the heading, indicating depth of measurements. The first column shows dates. 
There are no headings for the SAT/GST data. 

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Contact:

Bernd Etzelmüller, Unviersity of Oslo, (bernd.etzelmuller@geo.uio.no)
Ketil Isaksen, Norwegian Meteorological Institute, (ketili@met.no)