Global Terrestrial Network for Permafrost (GTN-P) - Factsheet

Factsheet GTN-P Database

The GTN-P database comprises:

16th September 2015:

Total number of single measurement: 5250957

Total number of datasets: 1 396

• • Surface Temperature (Satellite): 869 time series, measurements from 2000-2013
  • Ground Temperature: 212 time series, measurements from 1981-2015
  • Active Layer Thickness: 78 time series, measurements from 1992-2014
  • Surface Soil Moisture (Satellite): 75 time series, measurements from 1992-2012
  • Air Temperature: 42 time series, measurements from 2001-2014
  • Surface Temperature: 34 time series, measurements from 2001-2014

Number of boreholes: 1 091

Number of active layer monitoring sites: 242

Deepest borehole: 1028 m (Marryatt K-71, Canada)

Longest Ground Temperature Record: 30 years, 1 month, 17 days (Umabybyt 20, Russia)