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Data Publisher for Earth & Environmental Science

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, https://doi.org/10.1594/PANGAEA.888600

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Abstract:
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
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
File contentContentWestermann, Sebastian
File nameFile nameWestermann, Sebastian
File formatFile formatWestermann, Sebastian
File sizeFile sizekByteWestermann, Sebastian
Uniform resource locator/link to fileURL fileWestermann, Sebastian
Size:
40 data points

Data

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Content

File name

File format

File size [kByte]

URL file
Mean Annual Ground Temperature (MAGTM) [C°]UiO_PEX_MAGTM_5.0_20181127_2000_2016_NH.zipZIP369567Link
MAGT Standard Deviation (MAGTSTD) [C°]UiO_PEX_MAGTSTD_5.0_20181128_2000_2016_NH.zipZIP345148Link
Permafrost Probability Fraction (PERPROB) [Fraction, 0-1]UiO_PEX_PERPROB_5.0_20181128_2000_2016_NH.zipZIP103591Link
Permafrost Zonation (PERZONES) is provided as ESRI shapefileUiO_PEX_PERZONES_5.0_20181128_2000_2016_NH.zipZIP12911Link
5 kmUiO_PEX_5.0_20181127_2000_2016_5km.ncNC370527Link
10 kmUiO_PEX_5.0_20181127_2000_2016_10km.ncNC92697Link
25 kmUiO_PEX_5.0_20181127_2000_2016_25km.ncNC14843Link
Thumbnail MAGTthumbnail_UiO_PEX_MAGTM_5.0_2000_2016.pngPNG1803Link