The Thermal State of Permafrost: the IPY-IPA snapshot (2007-2009)

Jerry Brown, Alexander Kholodov, Vladimir Romanovsky, Kenji Yoshikawa, Sharon L. Smith, Hanne H. Christiansen, Goncalo Vieira, Jeannette Noetzli

In the proceedings of: GEO2010 Calgary: 63rd Canadian Geotechnical Conference & 6th Canadian Permafrost Conference

Session: M2-D

ABSTRACT: al State of Permafrost: the IPY-IPA snapshot (2007-2009) Jerry Brown Woods Hole, MA, USA Alexander Kholodov, Vladimir Romanovsky & Kenji Yoshikawa University of Alaska Fairbanks, Fairbanks, Alaska, USA Sharon L. Smith Geological Survey of Canada, Natural Resources Canada, Ottawa, Canada Hanne H. Christiansen The University Centre in Svalbard, Longyearbyen, Svalbard Goncalo Vieira University of Lisbon, Lisbon, Portugal Jeannette Noetzli University of Zurich, Zurich, Switzerland ABSTRACT During the International Polar Year (IPY) the International Permafrost Association (IPA) coordinated the acquisition of standardized permafrost temperatures data (snapshot) under the Thermal State of Permafrost (TSP) Project. The current network consists of more than 860 boreholes in both hemispheres with more than 25 participating countries. The vast majority of sites are equipped for long-term permafrost temperature observations. A borehole inventory including mean annual ground temperatures for 600 boreholes (snapshot) is available online.

RÉSUMÉ: Au cours de l'année polaire internationale (API), l'association internationale sur le permafrost (IPA) a coordonné l'acquisition de données sur la température du permafrost (en forme d'instantané) au sein du project status thermal du permafrost (TSP). Le réseau actuel consiste en 860 forages dans les deux hémisphères et de plus de 25 pays participant. Un inventaire des forages incluant les températures moyennes annuelles du sous-sol est par ailleurs disponible sur l'internet.

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