IPA-IPY Thermal State of Permafrost (TSP) Snapshot Borehole Inventory

Metadata Updated: November 12, 2020

During the planning and implementation of the International Polar Year (IPY) 2007 - 2009, the International Permafrost Association (IPA) coordinated the acquisition of permafrost temperature data under the Thermal State of Permafrost (TSP) Project #50. The TSP project goals included the acquisition of standardized temperature measurements (snapshots) from all permafrost regions on Earth, preparation of a global data set, and development of maps of contemporary permafrost temperatures. As a result of the project, networks of boreholes, equipped for long-term permafrost temperature observations, were established and consist of approximately 860 boreholes in both hemispheres with more than 25 participating countries. Approximately 350 of the boreholes were drilled and instrumented during the IPY period under various nationally funded projects. Comparison of the current Mean Annual Ground Temperature (MAGT) and historical data allows participating countries and other users to assess the thermal state of permafrost dynamics over the last several decades. The TSP project also included active layer measurements, many of which are observed annually under the Circumpolar Active Layer Monitoring (CALM) project. Future plans are for these networks to become part of an international network of permafrost observatories with data available for monitoring and multidisciplinary research in both polar and non-polar permafrost regions.This data set consists of an inventory of these boreholes in two Excel spreadsheets — one by country (TSP_Borehole_inventory_countries.xls) and one as a composite (TSP_borehole_inventory_composite.xls) for ease in searching. The spreadsheets include the geographic coordinates of the boreholes, elevation, depth of borehole (BH), year drilled, the MAGT, permafrost (PF) thickness, country, responsible person, affiliation, and sponsors. A summary of the number and type of boreholes by country is provided in a PDF document (N_and_S_hemisphere_borehole_summary.pdf), and a high-resolution JPEG image of the borehole locations (TSP_BoreHoles_location_map_highres.jpg) is also included. The inventory lists boreholes in both the Northern and Southern Hemispheres with 790 of the boreholes located in the Northern Hemisphere. The inventory primarily concentrates on measurements from new and existing boreholes from 2007 to 2009. For historical purposes, some boreholes active since the 1980s are included. Boreholes are classified as four different types: surface (SU) <10 m, shallow (SH) 10-25 m, intermediate (IB) 25-125 m, and deep (DB) >125 m according to the Global Terrestrial Network for Permafrost (GTN-P) classification. For Antarctica, the surface boreholes are split into two subclasses: <SU (<2 m) and SU (2-10 m). The TSP is a field component of the Global Terrestrial Network for Permafrost (www.gtnp.org).Data from over 500 of these boreholes are presented and discussed in a series of papers in the special IPY - TSP issue of Permafrost and Periglacial Processes (http://onlinelibrary.wiley.com/doi/10.1002/ppp.v21:2/issuetoc) that include five regional papers and one synthesis paper. The Data Contributors of this data set were senior authors of these papers. All other data contributors are listed under Personnel in the metadata record (http://nsidc.org/cgi-bin/get_metadata.pl?id=g02190) for this data set.The TSP Snapshot Inventory was compiled and edited from individual sources by Alexander Kholodov, Permafrost Laboratory, Geophysical Institute, University of Alaska Fairbanks, and Jerry Brown, President (2003-2008), International Permafrost Association.

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License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Metadata Date August 13, 2015
Metadata Created Date November 12, 2020
Metadata Updated Date November 12, 2020
Reference Date(s) August 13, 2010 (publication)
Frequency Of Update asNeeded

Metadata Source

Harvested from NSIDC

Graphic Preview

Borehole Location Map

Additional Metadata

Resource Type Dataset
Metadata Date August 13, 2015
Metadata Created Date November 12, 2020
Metadata Updated Date November 12, 2020
Reference Date(s) August 13, 2010 (publication)
Responsible Party University of Alcala de Henares (UAH) (Point of Contact); USA CRREL (Point of Contact); University of Zurich (UZH) (Principal Investigator); National Snow and Ice Data Center (Point of Contact); Rhodes University (Point of Contact); University of Helsinki (Point of Contact); USDA Natural Resources Conservation Service (Point of Contact); CAREERI (Point of Contact, Principal Investigator); Frontier Observational Research System for Global Change (Point of Contact); University of Alaska (Point of Contact, Principal Investigator); Russian Academy of Science (RAS) (Point of Contact); Swiss Federal Institute of Technology (ETHZ) (Point of Contact); The University Centre in Svalbard (Principal Investigator); Longyearbyen CO2 Lab (Point of Contact); University of Texas at El Paso (Point of Contact); Central Institute for Meteorology and Geodynamics (Point of Contact); US Geological Survey (Point of Contact); Yukon Geological Survey (Point of Contact); Stockholm University (Point of Contact); University of Fribourg (Point of Contact); University of Zurich (Point of Contact); Swiss Federal Institute for Snow and Avalanche Research (Point of Contact); Alfred Wegener Institute for Polar and Marine Research (Point of Contact); Russian Academy of Sciences, SIberian Branch (Point of Contact); Uppsala University (Point of Contact); University of Santiago (Point of Contact); Tyumen State Gas and Oil University (Point of Contact); Asiaq, Greenland (Point of Contact); Mongolian Institute of Geoecology (Point of Contact); University of Calgary (Point of Contact); University of Washington (Point of Contact); University of Oslo (Point of Contact); IANIGLA-CRICYT-CONICET (Point of Contact); Alfred Wegener Institute (Point of Contact); Geological Survey of Canada (Principal Investigator); Swedish Nuclear Fuel and Waste Management Co. (Point of Contact); Russian Academy of Sciences, Siberian Branch (Point of Contact); Carleton University (Point of Contact); Russian Academy of Sciences (Point of Contact); MIREKO State Company (Point of Contact); Northern Indian Affairs (Point of Contact); Federal University of Vicosa (Point of Contact); University of Ottawa (Point of Contact); Indian and Northern Affairs Canada (Point of Contact); Zurich University (Point of Contact); Centro Austral de Investigaciones Cientificas (CADIC) (Point of Contact); University of Lausanne (Point of Contact); University of Tsukuba (Point of Contact); University of Alaska Fairbanks (Point of Contact); University of Lisbon (Principal Investigator); Lund University (Point of Contact); Hokkaido Univ. (Point of Contact); Universite Laval (Point of Contact); University of Graz (Point of Contact); Insubria University (Point of Contact); Norwegian Meteorological Institute (Point of Contact); University of Waikato (Point of Contact); Technical University of Denmark (Point of Contact)
Contact Email
Guid noaa.ncei.nsidc.G02190
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Bbox East Long 180
Bbox North Lat 82.5
Bbox South Lat -78
Bbox West Long -180
Coupled Resource
Frequency Of Update asNeeded
Graphic Preview Description Borehole Location Map
Graphic Preview File http://nsidc.org/data/docs/noaa/g02190_tsp_borehole/TSP_BHoles_location_map_small.jpg
Metadata Language eng; usa
Metadata Type geospatial
Progress complete
Spatial Data Service Type
Spatial Reference System
Spatial Harvester True
Temporal Extent Begin 20070101
Temporal Extent End 20091231

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