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Time Series of Seasonally Frozen Ground Depth in the Russian Arctic, 1930-1990


This data set consists of seasonally frozen ground depth measurements based on soil temperatures in the Russian Arctic. Seasonal freezing and thawing processes in cold regions play a major role in ecosystem diversity, productivity, and the Arctic hydrological system. Long-term changes in seasonal freeze and thaw depths are also important indicators of climate change. Investigators collected data from 211 ground-based stations. The record extends from 1930 to 1990 and includes seasonal freeze depths derived from soil temperature data that are averaged yearly. Data are in tab-delimited ASCII text format.

Data access

  • ORDER data for delivery by FTP

Additional information

  • 1.0 (2009-04-29)
Metadata download

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Related projects
Spatial Type point
Frequency other
Language English
Grant Code OPP-0229766
ISO Topic Categories
  • climatologyMeteorologyAtmosphere

Temporal coverage

Begin datetime 1930-01-01 00:00:00
End datetime 1990-12-31 23:59:59

Spatial coverage

Maximum (North) Latitude: 68.90, Minimum (South) Latitude: 42.70
Minimum (West) Longitude: 30.80, Maximum (East) Longitude: -179.50

Primary point of contact information

Tingjun Zhang <>

Additional contact information


Example citation following ESIP guidelines:

Zhang, T., Barry, R., Frauenfeld, O. 2009. Time Series of Seasonally Frozen Ground Depth in the Russian Arctic, 1930-1990. Version 1.0. UCAR/NCAR - Earth Observing Laboratory. Accessed 17 Jan 2018.

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