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Global Terrestrial Network - Permafrost (GTN-P)
Program Overview
The Global Terrestrial Network for Permafrost (GTN-P) is a program of the International Permafrost Association (IPA). This global network of permafrost observatories are for detecting, monitoring, and predicting aspects of climate change. GTN-P is a component of GCOS and GTOS. It consists of two observational components: the active or surface layer that freezes and thaws annually, and the thermal state of the underlying permafrost.
GTN-P Data Access
Update February 2, 2011 |
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Program Management
In 1997 GTOS and GCOS identified active layer and permafrost thermal state as two key variables for monitoring in permafrost regions (WMO, 1997). The International Permafrost Association (IPA) Council passed a resolution in 1998 to lead the development of an international network for permafrost monitoring.
Subsequently an ad-hoc steering committee was established. The Committee developed a strategy for the organization, implementation and management of a global network for active layer and borehole temperature monitoring. In 1999, GTN-P was established under GTOS and GCOS. The IPA was asked to plan and implement the network.
Other programs cooperating with the GTN-P include the Circumpolar Active Layer Monitoring (CALM) network which was established in 1990 to monitor changes in active layer thickness and temperature
. Canada, through the Geological Survey of Canada (GSC) is an active participant on the GTN-P organization and implementation committee and is also responsible for the establishment of the data management centre and web site.
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GTN-P Organizing Committee
The GTN-P organizing committee is an ad-hoc committee of the IPA responsible for the development, implementation and management of the GTN-P.
Listing of Executive Committee members and Contact Information
News Bulletins
Frozen Ground, The News Bulletin of the IPA
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