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Obu, Jaroslav; Westermann, Sebastian; Kääb, Andreas; Bartsch, Annett (2018): Ground Temperature Map, 2000-2016, Northern Hemisphere Permafrost. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA,

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The product provides modeled mean annual ground temperatures (MAGT) at the top of the permafrost for the Northern Hemisphere at 1 km spatial resolution. Permafrost probability (fraction values from 0 to 1) is assigned to each grid cell with MAGT < 0°C. Based on its permafrost probability each grid cell is classified as continuous, discontinuous and sporadic permafrost. The processing extent covers exposed land areas of the Northern Hemisphere down to 25 ° latitude. The mean MAGT was validated with GTN-P and TSP borehole ground temperature data and yielded a RMS of 2.0 °C. According to the results, permafrost (MAGT < 0 °C) covers 15 % of exposed land of the Northern Hemisphere.
Following files are provided in geotiff format:
- Mean Annual Ground Temperature (MAGTM) [C°]
- MAGT Standard Deviation (MAGTSTD) [C°]
- Permafrost Probability Fraction (PERPROB) [Fraction, 0-1]
Permafrost Zonation (PERZONES) is provided as ESRI shapefile.
All files are provided in Arctic Polar Stereographic projection (EPSG:3995 WGS 84).
More Information about the modelling method can be found in the product guide.
The map was produced within the project ESA Data User Element GlobPermafrost.
Dataset update: 2019-04-01
#NameShort NameUnitPrincipal InvestigatorMethodComment
1File contentContentWestermann, Sebastian
2File nameFile nameWestermann, Sebastian
3File nameFile nameWestermann, Sebastian
4File formatFile formatWestermann, Sebastian
5File sizeFile sizekByteWestermann, Sebastian
6Uniform resource locator/link to fileURL fileWestermann, Sebastian
48 data points

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