Permafrost Climate Research Data Package on Ceda Archive and on the Climate Data Dashboard.
Permafrost version 5 dataset includes:
- Mean Annual Ground Temperature in permafrost areas v5.0, 1997-2023, 1km; 0m, 1m, 2m, 5m and 10 m depth (University Oslo); for the Northern Hemisphere: https://dx.doi.org/10.5285/5675b0be944f45a8af0e7ddbeb47a011; for Antarctica: https://dx.doi.org/10.5285/88380c00ad79414ab1a30d3cd4cb7ad9;
- Permafrost extent, v5.0, 1997-2023, 1km, fraction, annual (University Oslo); for the Northern Hemisphere: https://dx.doi.org/10.5285/d235665772ec4b558e9a89ac85595e71; for Antarctica: https://dx.doi.org/10.5285/25447c253cbe435b937347756fe47146;
- Permafrost active layer thickness, v5.0, 1997-2023 1 km, annual maximum thaw depth (University Oslo); for the Northern Hemisphere: https://https://dx.doi.org/10.5285/a6fbedd8ee5b472c8e84e55f746c1704; for Antarctica: https://dx.doi.org/10.5285/9580c512bb474d00b1e0ee554e219bb7.
Citation of complete dataset:
Westermann, S.; Barboux, C.; Bartsch, A.; Delaloye, R.; Grosse, G.; Heim, B.; Hugelius, G.; Irrgang, A.; Kääb, A.M.; Matthes, H.; Nitze, I.; Pellet, C.; Seifert, F.M.; Strozzi, T.; Wegmüller, U.; Wieczorek, M.; Wiesmann, A. (2025): ESA Permafrost Climate Change Initiative (Permafrost_cci): Permafrost version 4 data products. NERC EDS Centre for Environmental Data Analysis, date of citation. https://catalogue.ceda.ac.uk/uuid/c116848868054e18a9f5a51d68c3ad21.
Alternative access via WebGIS visualization at https://maps.awi.de.
Additional Permafrost_cci records:
- Rock glacier inventories at WebMAPS (University Fribourg).
- Circumpolar landcover units v2.0, north of treeline, Sentinel-1 and Sentinel-2 at https://doi.org/10.5281/zenodo.14235736 (b.geos, SU and AWI).
- Days with potential alteration of ground temperature through rain on snow: mid-winter (Nov-Feb) snow thaw and refreeze, north of 65°N, MetopASCAT + SMOS at https://zenodo.org/record/7575927 (b.geos and FMI).
Heritage:
- Global permafrost properties (probability and mean annual ground temperature) based on equilibrium modelling (TTOP, 2000-2016) from GlobPermafrost (https://globpermafrost.info/products-and-data-access).